tic80.js

var Module = typeof Module !== "undefined" ? Module : {};
Module.saveAs =
    Module.saveAs ||
    (function (e) {
        null;
        if (typeof e === "undefined" || (typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent))) {
            return;
        }
        var t = e.document,
            n = function () {
                return e.URL || e.webkitURL || e;
            },
            r = t.createElementNS("http://www.w3.org/1999/xhtml", "a"),
            o = "download" in r,
            i = function (e) {
                var t = new MouseEvent("click");
                e.dispatchEvent(t);
            },
            a = /constructor/i.test(e.HTMLElement),
            f = /CriOS\/[\d]+/.test(navigator.userAgent),
            u = function (t) {
                (e.setImmediate || e.setTimeout)(function () {
                    throw t;
                }, 0);
            },
            d = "application/octet-stream",
            s = 1e3 * 40,
            c = function (e) {
                var t = function () {
                    if (typeof e === "string") {
                        n().revokeObjectURL(e);
                    } else {
                        e.remove();
                    }
                };
                setTimeout(t, s);
            },
            l = function (e, t, n) {
                t = [].concat(t);
                var r = t.length;
                while (r--) {
                    var o = e["on" + t[r]];
                    if (typeof o === "function") {
                        try {
                            o.call(e, n || e);
                        } catch (i) {
                            u(i);
                        }
                    }
                }
            },
            p = function (e) {
                if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)) {
                    return new Blob([String.fromCharCode(65279), e], { type: e.type });
                }
                return e;
            },
            v = function (t, u, s) {
                if (!s) {
                    t = p(t);
                }
                var v = this,
                    w = t.type,
                    m = w === d,
                    y,
                    h = function () {
                        l(v, "writestart progress write writeend".split(" "));
                    },
                    S = function () {
                        if ((f || (m && a)) && e.FileReader) {
                            var r = new FileReader();
                            r.onloadend = function () {
                                var t = f ? r.result : r.result.replace(/^data:[^;]*;/, "data:attachment/file;");
                                var n = e.open(t, "_blank");
                                if (!n) e.location.href = t;
                                t = undefined;
                                v.readyState = v.DONE;
                                h();
                            };
                            r.readAsDataURL(t);
                            v.readyState = v.INIT;
                            return;
                        }
                        if (!y) {
                            y = n().createObjectURL(t);
                        }
                        if (m) {
                            e.location.href = y;
                        } else {
                            var o = e.open(y, "_blank");
                            if (!o) {
                                e.location.href = y;
                            }
                        }
                        v.readyState = v.DONE;
                        h();
                        c(y);
                    };
                v.readyState = v.INIT;
                if (o) {
                    y = n().createObjectURL(t);
                    setTimeout(function () {
                        r.href = y;
                        r.download = u;
                        i(r);
                        h();
                        c(y);
                        v.readyState = v.DONE;
                    });
                    return;
                }
                S();
            },
            w = v.prototype,
            m = function (e, t, n) {
                return new v(e, t || e.name || "download", n);
            };
        if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
            return function (e, t, n) {
                t = t || e.name || "download";
                if (!n) {
                    e = p(e);
                }
                return navigator.msSaveOrOpenBlob(e, t);
            };
        }
        w.abort = function () {};
        w.readyState = w.INIT = 0;
        w.WRITING = 1;
        w.DONE = 2;
        w.error = w.onwritestart = w.onprogress = w.onwrite = w.onabort = w.onerror = w.onwriteend = null;
        return m;
    })((typeof self !== "undefined" && self) || (typeof window !== "undefined" && window) || this.content);
if (typeof module !== "undefined" && module.exports) {
    module.exports.saveAs = saveAs;
} else if (typeof define !== "undefined" && define !== null && define.amd !== null) {
    define([], function () {
        return saveAs;
    });
}
Module.showAddPopup = function (callback) {
    var modal = document.getElementById("add-modal");
    var span = document.getElementsByClassName("close")[0];
    modal.style.display = "block";
    function cancel() {
        modal.style.display = "none";
        callback(null, null);
    }
    span.onclick = cancel;
    window.onclick = function (event) {
        if (event.target == modal) cancel();
    };
    var uploadInput = document.getElementById("upload-input");
    uploadInput.onchange = function () {
        var file = uploadInput.files[0];
        if (!file) return;
        var reader = new FileReader();
        reader.onload = function (event) {
            var rom = new Uint8Array(event.target.result);
            callback(file.name, rom);
            uploadInput.value = "";
            modal.style.display = "none";
        };
        reader.readAsArrayBuffer(file);
    };
};
var moduleOverrides = {};
var key;
for (key in Module) {
    if (Module.hasOwnProperty(key)) {
        moduleOverrides[key] = Module[key];
    }
}
var arguments_ = [];
var thisProgram = "./this.program";
var quit_ = function (status, toThrow) {
    throw toThrow;
};
var ENVIRONMENT_IS_WEB = false;
var ENVIRONMENT_IS_WORKER = false;
var ENVIRONMENT_IS_NODE = false;
var ENVIRONMENT_IS_SHELL = false;
ENVIRONMENT_IS_WEB = typeof window === "object";
ENVIRONMENT_IS_WORKER = typeof importScripts === "function";
ENVIRONMENT_IS_NODE = typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string";
ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
var scriptDirectory = "";
function locateFile(path) {
    if (Module["locateFile"]) {
        return Module["locateFile"](path, scriptDirectory);
    }
    return scriptDirectory + path;
}
var read_, readAsync, readBinary, setWindowTitle;
var nodeFS;
var nodePath;
if (ENVIRONMENT_IS_NODE) {
    if (ENVIRONMENT_IS_WORKER) {
        scriptDirectory = require("path").dirname(scriptDirectory) + "/";
    } else {
        scriptDirectory = __dirname + "/";
    }
    read_ = function shell_read(filename, binary) {
        if (!nodeFS) nodeFS = require("fs");
        if (!nodePath) nodePath = require("path");
        filename = nodePath["normalize"](filename);
        return nodeFS["readFileSync"](filename, binary ? null : "utf8");
    };
    readBinary = function readBinary(filename) {
        var ret = read_(filename, true);
        if (!ret.buffer) {
            ret = new Uint8Array(ret);
        }
        assert(ret.buffer);
        return ret;
    };
    if (process["argv"].length > 1) {
        thisProgram = process["argv"][1].replace(/\\/g, "/");
    }
    arguments_ = process["argv"].slice(2);
    if (typeof module !== "undefined") {
        module["exports"] = Module;
    }
    process["on"]("uncaughtException", function (ex) {
        if (!(ex instanceof ExitStatus)) {
            throw ex;
        }
    });
    process["on"]("unhandledRejection", abort);
    quit_ = function (status) {
        process["exit"](status);
    };
    Module["inspect"] = function () {
        return "[Emscripten Module object]";
    };
} else if (ENVIRONMENT_IS_SHELL) {
    if (typeof read != "undefined") {
        read_ = function shell_read(f) {
            return read(f);
        };
    }
    readBinary = function readBinary(f) {
        var data;
        if (typeof readbuffer === "function") {
            return new Uint8Array(readbuffer(f));
        }
        data = read(f, "binary");
        assert(typeof data === "object");
        return data;
    };
    if (typeof scriptArgs != "undefined") {
        arguments_ = scriptArgs;
    } else if (typeof arguments != "undefined") {
        arguments_ = arguments;
    }
    if (typeof quit === "function") {
        quit_ = function (status) {
            quit(status);
        };
    }
    if (typeof print !== "undefined") {
        if (typeof console === "undefined") console = {};
        console.log = print;
        console.warn = console.error = typeof printErr !== "undefined" ? printErr : print;
    }
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
    if (ENVIRONMENT_IS_WORKER) {
        scriptDirectory = self.location.href;
    } else if (document.currentScript) {
        scriptDirectory = document.currentScript.src;
    }
    if (scriptDirectory.indexOf("blob:") !== 0) {
        scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf("/") + 1);
    } else {
        scriptDirectory = "";
    }
    {
        read_ = function shell_read(url) {
            var xhr = new XMLHttpRequest();
            xhr.open("GET", url, false);
            xhr.send(null);
            return xhr.responseText;
        };
        if (ENVIRONMENT_IS_WORKER) {
            readBinary = function readBinary(url) {
                var xhr = new XMLHttpRequest();
                xhr.open("GET", url, false);
                xhr.responseType = "arraybuffer";
                xhr.send(null);
                return new Uint8Array(xhr.response);
            };
        }
        readAsync = function readAsync(url, onload, onerror) {
            var xhr = new XMLHttpRequest();
            xhr.open("GET", url, true);
            xhr.responseType = "arraybuffer";
            xhr.onload = function xhr_onload() {
                if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) {
                    onload(xhr.response);
                    return;
                }
                onerror();
            };
            xhr.onerror = onerror;
            xhr.send(null);
        };
    }
    setWindowTitle = function (title) {
        document.title = title;
    };
} else {
}
var out = Module["print"] || console.log.bind(console);
var err = Module["printErr"] || console.warn.bind(console);
for (key in moduleOverrides) {
    if (moduleOverrides.hasOwnProperty(key)) {
        Module[key] = moduleOverrides[key];
    }
}
moduleOverrides = null;
if (Module["arguments"]) arguments_ = Module["arguments"];
if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
if (Module["quit"]) quit_ = Module["quit"];
var STACK_ALIGN = 16;
function alignMemory(size, factor) {
    if (!factor) factor = STACK_ALIGN;
    return Math.ceil(size / factor) * factor;
}
function getNativeTypeSize(type) {
    switch (type) {
        case "i1":
        case "i8":
            return 1;
        case "i16":
            return 2;
        case "i32":
            return 4;
        case "i64":
            return 8;
        case "float":
            return 4;
        case "double":
            return 8;
        default: {
            if (type[type.length - 1] === "*") {
                return 4;
            } else if (type[0] === "i") {
                var bits = Number(type.substr(1));
                assert(bits % 8 === 0, "getNativeTypeSize invalid bits " + bits + ", type " + type);
                return bits / 8;
            } else {
                return 0;
            }
        }
    }
}
function warnOnce(text) {
    if (!warnOnce.shown) warnOnce.shown = {};
    if (!warnOnce.shown[text]) {
        warnOnce.shown[text] = 1;
        err(text);
    }
}
var tempRet0 = 0;
var setTempRet0 = function (value) {
    tempRet0 = value;
};
var getTempRet0 = function () {
    return tempRet0;
};
var wasmBinary;
if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
var noExitRuntime;
if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];
if (typeof WebAssembly !== "object") {
    abort("no native wasm support detected");
}
function setValue(ptr, value, type, noSafe) {
    type = type || "i8";
    if (type.charAt(type.length - 1) === "*") type = "i32";
    switch (type) {
        case "i1":
            HEAP8[ptr >> 0] = value;
            break;
        case "i8":
            HEAP8[ptr >> 0] = value;
            break;
        case "i16":
            HEAP16[ptr >> 1] = value;
            break;
        case "i32":
            HEAP32[ptr >> 2] = value;
            break;
        case "i64":
            (tempI64 = [
                value >>> 0,
                ((tempDouble = value), +Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0) : 0),
            ]),
                (HEAP32[ptr >> 2] = tempI64[0]),
                (HEAP32[(ptr + 4) >> 2] = tempI64[1]);
            break;
        case "float":
            HEAPF32[ptr >> 2] = value;
            break;
        case "double":
            HEAPF64[ptr >> 3] = value;
            break;
        default:
            abort("invalid type for setValue: " + type);
    }
}
var wasmMemory;
var wasmTable = new WebAssembly.Table({ initial: 1957, maximum: 1957, element: "anyfunc" });
var ABORT = false;
var EXITSTATUS = 0;
function assert(condition, text) {
    if (!condition) {
        abort("Assertion failed: " + text);
    }
}
var ALLOC_NORMAL = 0;
var ALLOC_NONE = 2;
function allocate(slab, types, allocator, ptr) {
    var zeroinit, size;
    if (typeof slab === "number") {
        zeroinit = true;
        size = slab;
    } else {
        zeroinit = false;
        size = slab.length;
    }
    var singleType = typeof types === "string" ? types : null;
    var ret;
    if (allocator == ALLOC_NONE) {
        ret = ptr;
    } else {
        ret = [_malloc, stackAlloc][allocator](Math.max(size, singleType ? 1 : types.length));
    }
    if (zeroinit) {
        var stop;
        ptr = ret;
        assert((ret & 3) == 0);
        stop = ret + (size & ~3);
        for (; ptr < stop; ptr += 4) {
            HEAP32[ptr >> 2] = 0;
        }
        stop = ret + size;
        while (ptr < stop) {
            HEAP8[ptr++ >> 0] = 0;
        }
        return ret;
    }
    if (singleType === "i8") {
        if (slab.subarray || slab.slice) {
            HEAPU8.set(slab, ret);
        } else {
            HEAPU8.set(new Uint8Array(slab), ret);
        }
        return ret;
    }
    var i = 0,
        type,
        typeSize,
        previousType;
    while (i < size) {
        var curr = slab[i];
        type = singleType || types[i];
        if (type === 0) {
            i++;
            continue;
        }
        if (type == "i64") type = "i32";
        setValue(ret + i, curr, type);
        if (previousType !== type) {
            typeSize = getNativeTypeSize(type);
            previousType = type;
        }
        i += typeSize;
    }
    return ret;
}
var UTF8Decoder = typeof TextDecoder !== "undefined" ? new TextDecoder("utf8") : undefined;
function UTF8ArrayToString(heap, idx, maxBytesToRead) {
    var endIdx = idx + maxBytesToRead;
    var endPtr = idx;
    while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr;
    if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
        return UTF8Decoder.decode(heap.subarray(idx, endPtr));
    } else {
        var str = "";
        while (idx < endPtr) {
            var u0 = heap[idx++];
            if (!(u0 & 128)) {
                str += String.fromCharCode(u0);
                continue;
            }
            var u1 = heap[idx++] & 63;
            if ((u0 & 224) == 192) {
                str += String.fromCharCode(((u0 & 31) << 6) | u1);
                continue;
            }
            var u2 = heap[idx++] & 63;
            if ((u0 & 240) == 224) {
                u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
            } else {
                u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63);
            }
            if (u0 < 65536) {
                str += String.fromCharCode(u0);
            } else {
                var ch = u0 - 65536;
                str += String.fromCharCode(55296 | (ch >> 10), 56320 | (ch & 1023));
            }
        }
    }
    return str;
}
function UTF8ToString(ptr, maxBytesToRead) {
    return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
}
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
    if (!(maxBytesToWrite > 0)) return 0;
    var startIdx = outIdx;
    var endIdx = outIdx + maxBytesToWrite - 1;
    for (var i = 0; i < str.length; ++i) {
        var u = str.charCodeAt(i);
        if (u >= 55296 && u <= 57343) {
            var u1 = str.charCodeAt(++i);
            u = (65536 + ((u & 1023) << 10)) | (u1 & 1023);
        }
        if (u <= 127) {
            if (outIdx >= endIdx) break;
            heap[outIdx++] = u;
        } else if (u <= 2047) {
            if (outIdx + 1 >= endIdx) break;
            heap[outIdx++] = 192 | (u >> 6);
            heap[outIdx++] = 128 | (u & 63);
        } else if (u <= 65535) {
            if (outIdx + 2 >= endIdx) break;
            heap[outIdx++] = 224 | (u >> 12);
            heap[outIdx++] = 128 | ((u >> 6) & 63);
            heap[outIdx++] = 128 | (u & 63);
        } else {
            if (outIdx + 3 >= endIdx) break;
            heap[outIdx++] = 240 | (u >> 18);
            heap[outIdx++] = 128 | ((u >> 12) & 63);
            heap[outIdx++] = 128 | ((u >> 6) & 63);
            heap[outIdx++] = 128 | (u & 63);
        }
    }
    heap[outIdx] = 0;
    return outIdx - startIdx;
}
function stringToUTF8(str, outPtr, maxBytesToWrite) {
    return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
}
function lengthBytesUTF8(str) {
    var len = 0;
    for (var i = 0; i < str.length; ++i) {
        var u = str.charCodeAt(i);
        if (u >= 55296 && u <= 57343) u = (65536 + ((u & 1023) << 10)) | (str.charCodeAt(++i) & 1023);
        if (u <= 127) ++len;
        else if (u <= 2047) len += 2;
        else if (u <= 65535) len += 3;
        else len += 4;
    }
    return len;
}
function allocateUTF8(str) {
    var size = lengthBytesUTF8(str) + 1;
    var ret = _malloc(size);
    if (ret) stringToUTF8Array(str, HEAP8, ret, size);
    return ret;
}
function allocateUTF8OnStack(str) {
    var size = lengthBytesUTF8(str) + 1;
    var ret = stackAlloc(size);
    stringToUTF8Array(str, HEAP8, ret, size);
    return ret;
}
function writeArrayToMemory(array, buffer) {
    HEAP8.set(array, buffer);
}
function writeAsciiToMemory(str, buffer, dontAddNull) {
    for (var i = 0; i < str.length; ++i) {
        HEAP8[buffer++ >> 0] = str.charCodeAt(i);
    }
    if (!dontAddNull) HEAP8[buffer >> 0] = 0;
}
var WASM_PAGE_SIZE = 65536;
var buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
function updateGlobalBufferAndViews(buf) {
    buffer = buf;
    Module["HEAP8"] = HEAP8 = new Int8Array(buf);
    Module["HEAP16"] = HEAP16 = new Int16Array(buf);
    Module["HEAP32"] = HEAP32 = new Int32Array(buf);
    Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
    Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
    Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
    Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
    Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
}
var INITIAL_INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 67108864;
if (Module["wasmMemory"]) {
    wasmMemory = Module["wasmMemory"];
} else {
    wasmMemory = new WebAssembly.Memory({ initial: INITIAL_INITIAL_MEMORY / WASM_PAGE_SIZE, maximum: INITIAL_INITIAL_MEMORY / WASM_PAGE_SIZE });
}
if (wasmMemory) {
    buffer = wasmMemory.buffer;
}
INITIAL_INITIAL_MEMORY = buffer.byteLength;
updateGlobalBufferAndViews(buffer);
var __ATPRERUN__ = [];
var __ATINIT__ = [];
var __ATMAIN__ = [];
var __ATEXIT__ = [];
var __ATPOSTRUN__ = [];
var runtimeInitialized = false;
var runtimeExited = false;
function preRun() {
    if (Module["preRun"]) {
        if (typeof Module["preRun"] == "function") Module["preRun"] = [Module["preRun"]];
        while (Module["preRun"].length) {
            addOnPreRun(Module["preRun"].shift());
        }
    }
    callRuntimeCallbacks(__ATPRERUN__);
}
function initRuntime() {
    runtimeInitialized = true;
    if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
    TTY.init();
    callRuntimeCallbacks(__ATINIT__);
}
function preMain() {
    FS.ignorePermissions = false;
    callRuntimeCallbacks(__ATMAIN__);
}
function exitRuntime() {
    runtimeExited = true;
}
function postRun() {
    if (Module["postRun"]) {
        if (typeof Module["postRun"] == "function") Module["postRun"] = [Module["postRun"]];
        while (Module["postRun"].length) {
            addOnPostRun(Module["postRun"].shift());
        }
    }
    callRuntimeCallbacks(__ATPOSTRUN__);
}
function addOnPreRun(cb) {
    __ATPRERUN__.unshift(cb);
}
function addOnPostRun(cb) {
    __ATPOSTRUN__.unshift(cb);
}
var Math_abs = Math.abs;
var Math_ceil = Math.ceil;
var Math_floor = Math.floor;
var Math_min = Math.min;
var runDependencies = 0;
var runDependencyWatcher = null;
var dependenciesFulfilled = null;
function getUniqueRunDependency(id) {
    return id;
}
function addRunDependency(id) {
    runDependencies++;
    if (Module["monitorRunDependencies"]) {
        Module["monitorRunDependencies"](runDependencies);
    }
}
function removeRunDependency(id) {
    runDependencies--;
    if (Module["monitorRunDependencies"]) {
        Module["monitorRunDependencies"](runDependencies);
    }
    if (runDependencies == 0) {
        if (runDependencyWatcher !== null) {
            clearInterval(runDependencyWatcher);
            runDependencyWatcher = null;
        }
        if (dependenciesFulfilled) {
            var callback = dependenciesFulfilled;
            dependenciesFulfilled = null;
            callback();
        }
    }
}
Module["preloadedImages"] = {};
Module["preloadedAudios"] = {};
function abort(what) {
    if (Module["onAbort"]) {
        Module["onAbort"](what);
    }
    what += "";
    err(what);
    ABORT = true;
    EXITSTATUS = 1;
    what = "abort(" + what + "). Build with -s ASSERTIONS=1 for more info.";
    var e = new WebAssembly.RuntimeError(what);
    throw e;
}
function hasPrefix(str, prefix) {
    return String.prototype.startsWith ? str.startsWith(prefix) : str.indexOf(prefix) === 0;
}
var dataURIPrefix = "data:application/octet-stream;base64,";
function isDataURI(filename) {
    return hasPrefix(filename, dataURIPrefix);
}
var fileURIPrefix = "file://";
function isFileURI(filename) {
    return hasPrefix(filename, fileURIPrefix);
}
var wasmBinaryFile = "tic80.wasm";
if (!isDataURI(wasmBinaryFile)) {
    wasmBinaryFile = locateFile(wasmBinaryFile);
}
function getBinary() {
    try {
        if (wasmBinary) {
            return new Uint8Array(wasmBinary);
        }
        if (readBinary) {
            return readBinary(wasmBinaryFile);
        } else {
            throw "both async and sync fetching of the wasm failed";
        }
    } catch (err) {
        abort(err);
    }
}
function getBinaryPromise() {
    if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === "function" && !isFileURI(wasmBinaryFile)) {
        return fetch(wasmBinaryFile, { credentials: "same-origin" })
            .then(function (response) {
                if (!response["ok"]) {
                    throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
                }
                return response["arrayBuffer"]();
            })
            .catch(function () {
                return getBinary();
            });
    }
    return Promise.resolve().then(getBinary);
}
function createWasm() {
    var info = { a: asmLibraryArg };
    function receiveInstance(instance, module) {
        var exports = instance.exports;
        Module["asm"] = exports;
        removeRunDependency("wasm-instantiate");
    }
    addRunDependency("wasm-instantiate");
    function receiveInstantiatedSource(output) {
        receiveInstance(output["instance"]);
    }
    function instantiateArrayBuffer(receiver) {
        return getBinaryPromise()
            .then(function (binary) {
                return WebAssembly.instantiate(binary, info);
            })
            .then(receiver, function (reason) {
                err("failed to asynchronously prepare wasm: " + reason);
                abort(reason);
            });
    }
    function instantiateAsync() {
        if (!wasmBinary && typeof WebAssembly.instantiateStreaming === "function" && !isDataURI(wasmBinaryFile) && !isFileURI(wasmBinaryFile) && typeof fetch === "function") {
            fetch(wasmBinaryFile, { credentials: "same-origin" }).then(function (response) {
                var result = WebAssembly.instantiateStreaming(response, info);
                return result.then(receiveInstantiatedSource, function (reason) {
                    err("wasm streaming compile failed: " + reason);
                    err("falling back to ArrayBuffer instantiation");
                    return instantiateArrayBuffer(receiveInstantiatedSource);
                });
            });
        } else {
            return instantiateArrayBuffer(receiveInstantiatedSource);
        }
    }
    if (Module["instantiateWasm"]) {
        try {
            var exports = Module["instantiateWasm"](info, receiveInstance);
            return exports;
        } catch (e) {
            err("Module.instantiateWasm callback failed with error: " + e);
            return false;
        }
    }
    instantiateAsync();
    return {};
}
var tempDouble;
var tempI64;
var ASM_CONSTS = {
    1024: function ($0, $1) {
        Module.showAddPopup(function (filename, rom) {
            if (filename == null || rom == null) {
                dynCall("viiiii", $0, [0, 0, 0, $1, 0]);
            } else {
                var filePtr = Module._malloc(filename.length + 1);
                stringToUTF8(filename, filePtr, filename.length + 1);
                var dataPtr = Module._malloc(rom.length);
                writeArrayToMemory(rom, dataPtr);
                dynCall("viiiii", $0, [filePtr, dataPtr, rom.length, $1, 0]);
                Module._free(filePtr);
                Module._free(dataPtr);
            }
        });
    },
    1457: function ($0, $1, $2) {
        var name = UTF8ToString($0);
        var blob = new Blob([HEAPU8.subarray($1, $1 + $2)], { type: "application/octet-stream" });
        Module.saveAs(blob, name);
    },
    1606: function ($0, $1, $2, $3) {
        Module.syncFSRequests = 0;
        var dir = UTF8ToString($0);
        FS.mkdirTree(dir);
        FS.mount(IDBFS, {}, dir);
        FS.syncfs(true, function (e) {
            dynCall("iiii", $1, [$2, $3, $0]);
        });
    },
    1808: function ($0, $1, $2, $3, $4) {
        var start = {};
        start.argc = $0;
        start.argv = $1;
        start.folder = $2;
        Module.startArg = start;
        var file = PATH_FS.resolve(UTF8ToString($4));
        var dir = PATH.dirname(file);
        Module.filePreloaded = false;
        FS.createPreloadedFile(
            dir,
            PATH.basename(file),
            UTF8ToString($3),
            true,
            true,
            function () {
                Module.filePreloaded = true;
            },
            function () {},
            false,
            false,
            function () {
                try {
                    FS.unlink(file);
                } catch (e) {}
                FS.mkdirTree(dir);
            }
        );
    },
    2232: function ($0) {
        if (Module.filePreloaded) {
            _emscripten_cancel_main_loop();
            var start = Module.startArg;
            dynCall("iiii", $0, [start.argc, start.argv, start.folder]);
        }
    },
    2840: function () {
        if (FS.syncFSRequests == 0 && Module.syncFSRequests) {
            Module.syncFSRequests = 0;
            FS.syncfs(false, function () {});
        }
    },
    53023: function () {
        Module.syncFSRequests++;
    },
    153610: function ($0) {
        var str = UTF8ToString($0) + "\n\n" + "Abort/Retry/Ignore/AlwaysIgnore? [ariA] :";
        var reply = window.prompt(str, "i");
        if (reply === null) {
            reply = "i";
        }
        return allocate(intArrayFromString(reply), "i8", ALLOC_NORMAL);
    },
    188878: function ($0, $1) {
        alert(UTF8ToString($0) + "\n\n" + UTF8ToString($1));
    },
    191116: function ($0, $1, $2) {
        var w = $0;
        var h = $1;
        var pixels = $2;
        if (!Module["SDL2"]) Module["SDL2"] = {};
        var SDL2 = Module["SDL2"];
        if (SDL2.ctxCanvas !== Module["canvas"]) {
            SDL2.ctx = Module["createContext"](Module["canvas"], false, true);
            SDL2.ctxCanvas = Module["canvas"];
        }
        if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) {
            SDL2.image = SDL2.ctx.createImageData(w, h);
            SDL2.w = w;
            SDL2.h = h;
            SDL2.imageCtx = SDL2.ctx;
        }
        var data = SDL2.image.data;
        var src = pixels >> 2;
        var dst = 0;
        var num;
        if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
            num = data.length;
            while (dst < num) {
                var val = HEAP32[src];
                data[dst] = val & 255;
                data[dst + 1] = (val >> 8) & 255;
                data[dst + 2] = (val >> 16) & 255;
                data[dst + 3] = 255;
                src++;
                dst += 4;
            }
        } else {
            if (SDL2.data32Data !== data) {
                SDL2.data32 = new Int32Array(data.buffer);
                SDL2.data8 = new Uint8Array(data.buffer);
            }
            var data32 = SDL2.data32;
            num = data32.length;
            data32.set(HEAP32.subarray(src, src + num));
            var data8 = SDL2.data8;
            var i = 3;
            var j = i + 4 * num;
            if (num % 8 == 0) {
                while (i < j) {
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                    data8[i] = 255;
                    i = (i + 4) | 0;
                }
            } else {
                while (i < j) {
                    data8[i] = 255;
                    i = (i + 4) | 0;
                }
            }
        }
        SDL2.ctx.putImageData(SDL2.image, 0, 0);
        return 0;
    },
    192595: function ($0, $1, $2, $3, $4) {
        var w = $0;
        var h = $1;
        var hot_x = $2;
        var hot_y = $3;
        var pixels = $4;
        var canvas = document.createElement("canvas");
        canvas.width = w;
        canvas.height = h;
        var ctx = canvas.getContext("2d");
        var image = ctx.createImageData(w, h);
        var data = image.data;
        var src = pixels >> 2;
        var dst = 0;
        var num;
        if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
            num = data.length;
            while (dst < num) {
                var val = HEAP32[src];
                data[dst] = val & 255;
                data[dst + 1] = (val >> 8) & 255;
                data[dst + 2] = (val >> 16) & 255;
                data[dst + 3] = (val >> 24) & 255;
                src++;
                dst += 4;
            }
        } else {
            var data32 = new Int32Array(data.buffer);
            num = data32.length;
            data32.set(HEAP32.subarray(src, src + num));
        }
        ctx.putImageData(image, 0, 0);
        var url = hot_x === 0 && hot_y === 0 ? "url(" + canvas.toDataURL() + "), auto" : "url(" + canvas.toDataURL() + ") " + hot_x + " " + hot_y + ", auto";
        var urlBuf = _malloc(url.length + 1);
        stringToUTF8(url, urlBuf, url.length + 1);
        return urlBuf;
    },
    193584: function ($0) {
        if (Module["canvas"]) {
            Module["canvas"].style["cursor"] = UTF8ToString($0);
        }
        return 0;
    },
    193677: function () {
        if (Module["canvas"]) {
            Module["canvas"].style["cursor"] = "none";
        }
    },
    194902: function () {
        return screen.width;
    },
    194929: function () {
        return screen.height;
    },
    194957: function () {
        return window.innerWidth;
    },
    194989: function () {
        return window.innerHeight;
    },
    195067: function ($0) {
        if (typeof setWindowTitle !== "undefined") {
            setWindowTitle(UTF8ToString($0));
        }
        return 0;
    },
    195201: function () {
        if (typeof AudioContext !== "undefined") {
            return 1;
        } else if (typeof webkitAudioContext !== "undefined") {
            return 1;
        }
        return 0;
    },
    195367: function () {
        if (typeof navigator.mediaDevices !== "undefined" && typeof navigator.mediaDevices.getUserMedia !== "undefined") {
            return 1;
        } else if (typeof navigator.webkitGetUserMedia !== "undefined") {
            return 1;
        }
        return 0;
    },
    195593: function ($0) {
        if (typeof Module["SDL2"] === "undefined") {
            Module["SDL2"] = {};
        }
        var SDL2 = Module["SDL2"];
        if (!$0) {
            SDL2.audio = {};
        } else {
            SDL2.capture = {};
        }
        if (!SDL2.audioContext) {
            if (typeof AudioContext !== "undefined") {
                SDL2.audioContext = new AudioContext();
            } else if (typeof webkitAudioContext !== "undefined") {
                SDL2.audioContext = new webkitAudioContext();
            }
            if (SDL2.audioContext) {
                autoResumeAudioContext(SDL2.audioContext);
            }
        }
        return SDL2.audioContext === undefined ? -1 : 0;
    },
    196146: function () {
        var SDL2 = Module["SDL2"];
        return SDL2.audioContext.sampleRate;
    },
    196216: function ($0, $1, $2, $3) {
        var SDL2 = Module["SDL2"];
        var have_microphone = function (stream) {
            if (SDL2.capture.silenceTimer !== undefined) {
                clearTimeout(SDL2.capture.silenceTimer);
                SDL2.capture.silenceTimer = undefined;
            }
            SDL2.capture.mediaStreamNode = SDL2.audioContext.createMediaStreamSource(stream);
            SDL2.capture.scriptProcessorNode = SDL2.audioContext.createScriptProcessor($1, $0, 1);
            SDL2.capture.scriptProcessorNode.onaudioprocess = function (audioProcessingEvent) {
                if (SDL2 === undefined || SDL2.capture === undefined) {
                    return;
                }
                audioProcessingEvent.outputBuffer.getChannelData(0).fill(0);
                SDL2.capture.currentCaptureBuffer = audioProcessingEvent.inputBuffer;
                dynCall("vi", $2, [$3]);
            };
            SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode);
            SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination);
            SDL2.capture.stream = stream;
        };
        var no_microphone = function (error) {};
        SDL2.capture.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate);
        SDL2.capture.silenceBuffer.getChannelData(0).fill(0);
        var silence_callback = function () {
            SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer;
            dynCall("vi", $2, [$3]);
        };
        SDL2.capture.silenceTimer = setTimeout(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1e3);
        if (navigator.mediaDevices !== undefined && navigator.mediaDevices.getUserMedia !== undefined) {
            navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(have_microphone).catch(no_microphone);
        } else if (navigator.webkitGetUserMedia !== undefined) {
            navigator.webkitGetUserMedia({ audio: true, video: false }, have_microphone, no_microphone);
        }
    },
    197868: function ($0, $1, $2, $3) {
        var SDL2 = Module["SDL2"];
        SDL2.audio.scriptProcessorNode = SDL2.audioContext["createScriptProcessor"]($1, 0, $0);
        SDL2.audio.scriptProcessorNode["onaudioprocess"] = function (e) {
            if (SDL2 === undefined || SDL2.audio === undefined) {
                return;
            }
            SDL2.audio.currentOutputBuffer = e["outputBuffer"];
            dynCall("vi", $2, [$3]);
        };
        SDL2.audio.scriptProcessorNode["connect"](SDL2.audioContext["destination"]);
    },
    198278: function ($0, $1) {
        var SDL2 = Module["SDL2"];
        var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels;
        for (var c = 0; c < numChannels; ++c) {
            var channelData = SDL2.capture.currentCaptureBuffer.getChannelData(c);
            if (channelData.length != $1) {
                throw "Web Audio capture buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
            }
            if (numChannels == 1) {
                for (var j = 0; j < $1; ++j) {
                    setValue($0 + j * 4, channelData[j], "float");
                }
            } else {
                for (var j = 0; j < $1; ++j) {
                    setValue($0 + (j * numChannels + c) * 4, channelData[j], "float");
                }
            }
        }
    },
    198883: function ($0, $1) {
        var SDL2 = Module["SDL2"];
        var numChannels = SDL2.audio.currentOutputBuffer["numberOfChannels"];
        for (var c = 0; c < numChannels; ++c) {
            var channelData = SDL2.audio.currentOutputBuffer["getChannelData"](c);
            if (channelData.length != $1) {
                throw "Web Audio output buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
            }
            for (var j = 0; j < $1; ++j) {
                channelData[j] = HEAPF32[($0 + ((j * numChannels + c) << 2)) >> 2];
            }
        }
    },
    199363: function ($0) {
        var SDL2 = Module["SDL2"];
        if ($0) {
            if (SDL2.capture.silenceTimer !== undefined) {
                clearTimeout(SDL2.capture.silenceTimer);
            }
            if (SDL2.capture.stream !== undefined) {
                var tracks = SDL2.capture.stream.getAudioTracks();
                for (var i = 0; i < tracks.length; i++) {
                    SDL2.capture.stream.removeTrack(tracks[i]);
                }
                SDL2.capture.stream = undefined;
            }
            if (SDL2.capture.scriptProcessorNode !== undefined) {
                SDL2.capture.scriptProcessorNode.onaudioprocess = function (audioProcessingEvent) {};
                SDL2.capture.scriptProcessorNode.disconnect();
                SDL2.capture.scriptProcessorNode = undefined;
            }
            if (SDL2.capture.mediaStreamNode !== undefined) {
                SDL2.capture.mediaStreamNode.disconnect();
                SDL2.capture.mediaStreamNode = undefined;
            }
            if (SDL2.capture.silenceBuffer !== undefined) {
                SDL2.capture.silenceBuffer = undefined;
            }
            SDL2.capture = undefined;
        } else {
            if (SDL2.audio.scriptProcessorNode != undefined) {
                SDL2.audio.scriptProcessorNode.disconnect();
                SDL2.audio.scriptProcessorNode = undefined;
            }
            SDL2.audio = undefined;
        }
        if (SDL2.audioContext !== undefined && SDL2.audio === undefined && SDL2.capture === undefined) {
            SDL2.audioContext.close();
            SDL2.audioContext = undefined;
        }
    },
};
function listenOnce(object, event, func) {
    object.addEventListener(event, func, { once: true });
}
function autoResumeAudioContext(ctx, elements) {
    if (!elements) {
        elements = [document, document.getElementById("canvas")];
    }
    ["keydown", "mousedown", "touchstart"].forEach(function (event) {
        elements.forEach(function (element) {
            if (element) {
                listenOnce(element, event, function () {
                    if (ctx.state === "suspended") ctx.resume();
                });
            }
        });
    });
}
function callRuntimeCallbacks(callbacks) {
    while (callbacks.length > 0) {
        var callback = callbacks.shift();
        if (typeof callback == "function") {
            callback(Module);
            continue;
        }
        var func = callback.func;
        if (typeof func === "number") {
            if (callback.arg === undefined) {
                wasmTable.get(func)();
            } else {
                wasmTable.get(func)(callback.arg);
            }
        } else {
            func(callback.arg === undefined ? null : callback.arg);
        }
    }
}
function demangle(func) {
    return func;
}
function demangleAll(text) {
    var regex = /\b_Z[\w\d_]+/g;
    return text.replace(regex, function (x) {
        var y = demangle(x);
        return x === y ? x : y + " [" + x + "]";
    });
}
function dynCallLegacy(sig, ptr, args) {
    if (args && args.length) {
        return Module["dynCall_" + sig].apply(null, [ptr].concat(args));
    }
    return Module["dynCall_" + sig].call(null, ptr);
}
function dynCall(sig, ptr, args) {
    if (sig.indexOf("j") != -1) {
        return dynCallLegacy(sig, ptr, args);
    }
    return wasmTable.get(ptr).apply(null, args);
}
function jsStackTrace() {
    var error = new Error();
    if (!error.stack) {
        try {
            throw new Error();
        } catch (e) {
            error = e;
        }
        if (!error.stack) {
            return "(no stack trace available)";
        }
    }
    return error.stack.toString();
}
function stackTrace() {
    var js = jsStackTrace();
    if (Module["extraStackTrace"]) js += "\n" + Module["extraStackTrace"]();
    return demangleAll(js);
}
var PATH = {
    splitPath: function (filename) {
        var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
        return splitPathRe.exec(filename).slice(1);
    },
    normalizeArray: function (parts, allowAboveRoot) {
        var up = 0;
        for (var i = parts.length - 1; i >= 0; i--) {
            var last = parts[i];
            if (last === ".") {
                parts.splice(i, 1);
            } else if (last === "..") {
                parts.splice(i, 1);
                up++;
            } else if (up) {
                parts.splice(i, 1);
                up--;
            }
        }
        if (allowAboveRoot) {
            for (; up; up--) {
                parts.unshift("..");
            }
        }
        return parts;
    },
    normalize: function (path) {
        var isAbsolute = path.charAt(0) === "/",
            trailingSlash = path.substr(-1) === "/";
        path = PATH.normalizeArray(
            path.split("/").filter(function (p) {
                return !!p;
            }),
            !isAbsolute
        ).join("/");
        if (!path && !isAbsolute) {
            path = ".";
        }
        if (path && trailingSlash) {
            path += "/";
        }
        return (isAbsolute ? "/" : "") + path;
    },
    dirname: function (path) {
        var result = PATH.splitPath(path),
            root = result[0],
            dir = result[1];
        if (!root && !dir) {
            return ".";
        }
        if (dir) {
            dir = dir.substr(0, dir.length - 1);
        }
        return root + dir;
    },
    basename: function (path) {
        if (path === "/") return "/";
        path = PATH.normalize(path);
        path = path.replace(/\/$/, "");
        var lastSlash = path.lastIndexOf("/");
        if (lastSlash === -1) return path;
        return path.substr(lastSlash + 1);
    },
    extname: function (path) {
        return PATH.splitPath(path)[3];
    },
    join: function () {
        var paths = Array.prototype.slice.call(arguments, 0);
        return PATH.normalize(paths.join("/"));
    },
    join2: function (l, r) {
        return PATH.normalize(l + "/" + r);
    },
};
function setErrNo(value) {
    HEAP32[___errno_location() >> 2] = value;
    return value;
}
var PATH_FS = {
    resolve: function () {
        var resolvedPath = "",
            resolvedAbsolute = false;
        for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
            var path = i >= 0 ? arguments[i] : FS.cwd();
            if (typeof path !== "string") {
                throw new TypeError("Arguments to path.resolve must be strings");
            } else if (!path) {
                return "";
            }
            resolvedPath = path + "/" + resolvedPath;
            resolvedAbsolute = path.charAt(0) === "/";
        }
        resolvedPath = PATH.normalizeArray(
            resolvedPath.split("/").filter(function (p) {
                return !!p;
            }),
            !resolvedAbsolute
        ).join("/");
        return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
    },
    relative: function (from, to) {
        from = PATH_FS.resolve(from).substr(1);
        to = PATH_FS.resolve(to).substr(1);
        function trim(arr) {
            var start = 0;
            for (; start < arr.length; start++) {
                if (arr[start] !== "") break;
            }
            var end = arr.length - 1;
            for (; end >= 0; end--) {
                if (arr[end] !== "") break;
            }
            if (start > end) return [];
            return arr.slice(start, end - start + 1);
        }
        var fromParts = trim(from.split("/"));
        var toParts = trim(to.split("/"));
        var length = Math.min(fromParts.length, toParts.length);
        var samePartsLength = length;
        for (var i = 0; i < length; i++) {
            if (fromParts[i] !== toParts[i]) {
                samePartsLength = i;
                break;
            }
        }
        var outputParts = [];
        for (var i = samePartsLength; i < fromParts.length; i++) {
            outputParts.push("..");
        }
        outputParts = outputParts.concat(toParts.slice(samePartsLength));
        return outputParts.join("/");
    },
};
var TTY = {
    ttys: [],
    init: function () {},
    shutdown: function () {},
    register: function (dev, ops) {
        TTY.ttys[dev] = { input: [], output: [], ops: ops };
        FS.registerDevice(dev, TTY.stream_ops);
    },
    stream_ops: {
        open: function (stream) {
            var tty = TTY.ttys[stream.node.rdev];
            if (!tty) {
                throw new FS.ErrnoError(43);
            }
            stream.tty = tty;
            stream.seekable = false;
        },
        close: function (stream) {
            stream.tty.ops.flush(stream.tty);
        },
        flush: function (stream) {
            stream.tty.ops.flush(stream.tty);
        },
        read: function (stream, buffer, offset, length, pos) {
            if (!stream.tty || !stream.tty.ops.get_char) {
                throw new FS.ErrnoError(60);
            }
            var bytesRead = 0;
            for (var i = 0; i < length; i++) {
                var result;
                try {
                    result = stream.tty.ops.get_char(stream.tty);
                } catch (e) {
                    throw new FS.ErrnoError(29);
                }
                if (result === undefined && bytesRead === 0) {
                    throw new FS.ErrnoError(6);
                }
                if (result === null || result === undefined) break;
                bytesRead++;
                buffer[offset + i] = result;
            }
            if (bytesRead) {
                stream.node.timestamp = Date.now();
            }
            return bytesRead;
        },
        write: function (stream, buffer, offset, length, pos) {
            if (!stream.tty || !stream.tty.ops.put_char) {
                throw new FS.ErrnoError(60);
            }
            try {
                for (var i = 0; i < length; i++) {
                    stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
                }
            } catch (e) {
                throw new FS.ErrnoError(29);
            }
            if (length) {
                stream.node.timestamp = Date.now();
            }
            return i;
        },
    },
    default_tty_ops: {
        get_char: function (tty) {
            if (!tty.input.length) {
                var result = null;
                if (ENVIRONMENT_IS_NODE) {
                    var BUFSIZE = 256;
                    var buf = Buffer.alloc ? Buffer.alloc(BUFSIZE) : new Buffer(BUFSIZE);
                    var bytesRead = 0;
                    try {
                        bytesRead = nodeFS.readSync(process.stdin.fd, buf, 0, BUFSIZE, null);
                    } catch (e) {
                        if (e.toString().indexOf("EOF") != -1) bytesRead = 0;
                        else throw e;
                    }
                    if (bytesRead > 0) {
                        result = buf.slice(0, bytesRead).toString("utf-8");
                    } else {
                        result = null;
                    }
                } else if (typeof window != "undefined" && typeof window.prompt == "function") {
                    result = window.prompt("Input: ");
                    if (result !== null) {
                        result += "\n";
                    }
                } else if (typeof readline == "function") {
                    result = readline();
                    if (result !== null) {
                        result += "\n";
                    }
                }
                if (!result) {
                    return null;
                }
                tty.input = intArrayFromString(result, true);
            }
            return tty.input.shift();
        },
        put_char: function (tty, val) {
            if (val === null || val === 10) {
                out(UTF8ArrayToString(tty.output, 0));
                tty.output = [];
            } else {
                if (val != 0) tty.output.push(val);
            }
        },
        flush: function (tty) {
            if (tty.output && tty.output.length > 0) {
                out(UTF8ArrayToString(tty.output, 0));
                tty.output = [];
            }
        },
    },
    default_tty1_ops: {
        put_char: function (tty, val) {
            if (val === null || val === 10) {
                err(UTF8ArrayToString(tty.output, 0));
                tty.output = [];
            } else {
                if (val != 0) tty.output.push(val);
            }
        },
        flush: function (tty) {
            if (tty.output && tty.output.length > 0) {
                err(UTF8ArrayToString(tty.output, 0));
                tty.output = [];
            }
        },
    },
};
var MEMFS = {
    ops_table: null,
    mount: function (mount) {
        return MEMFS.createNode(null, "/", 16384 | 511, 0);
    },
    createNode: function (parent, name, mode, dev) {
        if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
            throw new FS.ErrnoError(63);
        }
        if (!MEMFS.ops_table) {
            MEMFS.ops_table = {
                dir: {
                    node: {
                        getattr: MEMFS.node_ops.getattr,
                        setattr: MEMFS.node_ops.setattr,
                        lookup: MEMFS.node_ops.lookup,
                        mknod: MEMFS.node_ops.mknod,
                        rename: MEMFS.node_ops.rename,
                        unlink: MEMFS.node_ops.unlink,
                        rmdir: MEMFS.node_ops.rmdir,
                        readdir: MEMFS.node_ops.readdir,
                        symlink: MEMFS.node_ops.symlink,
                    },
                    stream: { llseek: MEMFS.stream_ops.llseek },
                },
                file: {
                    node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr },
                    stream: { llseek: MEMFS.stream_ops.llseek, read: MEMFS.stream_ops.read, write: MEMFS.stream_ops.write, allocate: MEMFS.stream_ops.allocate, mmap: MEMFS.stream_ops.mmap, msync: MEMFS.stream_ops.msync },
                },
                link: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, readlink: MEMFS.node_ops.readlink }, stream: {} },
                chrdev: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: FS.chrdev_stream_ops },
            };
        }
        var node = FS.createNode(parent, name, mode, dev);
        if (FS.isDir(node.mode)) {
            node.node_ops = MEMFS.ops_table.dir.node;
            node.stream_ops = MEMFS.ops_table.dir.stream;
            node.contents = {};
        } else if (FS.isFile(node.mode)) {
            node.node_ops = MEMFS.ops_table.file.node;
            node.stream_ops = MEMFS.ops_table.file.stream;
            node.usedBytes = 0;
            node.contents = null;
        } else if (FS.isLink(node.mode)) {
            node.node_ops = MEMFS.ops_table.link.node;
            node.stream_ops = MEMFS.ops_table.link.stream;
        } else if (FS.isChrdev(node.mode)) {
            node.node_ops = MEMFS.ops_table.chrdev.node;
            node.stream_ops = MEMFS.ops_table.chrdev.stream;
        }
        node.timestamp = Date.now();
        if (parent) {
            parent.contents[name] = node;
        }
        return node;
    },
    getFileDataAsRegularArray: function (node) {
        if (node.contents && node.contents.subarray) {
            var arr = [];
            for (var i = 0; i < node.usedBytes; ++i) arr.push(node.contents[i]);
            return arr;
        }
        return node.contents;
    },
    getFileDataAsTypedArray: function (node) {
        if (!node.contents) return new Uint8Array(0);
        if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
        return new Uint8Array(node.contents);
    },
    expandFileStorage: function (node, newCapacity) {
        var prevCapacity = node.contents ? node.contents.length : 0;
        if (prevCapacity >= newCapacity) return;
        var CAPACITY_DOUBLING_MAX = 1024 * 1024;
        newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0);
        if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
        var oldContents = node.contents;
        node.contents = new Uint8Array(newCapacity);
        if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
        return;
    },
    resizeFileStorage: function (node, newSize) {
        if (node.usedBytes == newSize) return;
        if (newSize == 0) {
            node.contents = null;
            node.usedBytes = 0;
            return;
        }
        if (!node.contents || node.contents.subarray) {
            var oldContents = node.contents;
            node.contents = new Uint8Array(newSize);
            if (oldContents) {
                node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
            }
            node.usedBytes = newSize;
            return;
        }
        if (!node.contents) node.contents = [];
        if (node.contents.length > newSize) node.contents.length = newSize;
        else while (node.contents.length < newSize) node.contents.push(0);
        node.usedBytes = newSize;
    },
    node_ops: {
        getattr: function (node) {
            var attr = {};
            attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
            attr.ino = node.id;
            attr.mode = node.mode;
            attr.nlink = 1;
            attr.uid = 0;
            attr.gid = 0;
            attr.rdev = node.rdev;
            if (FS.isDir(node.mode)) {
                attr.size = 4096;
            } else if (FS.isFile(node.mode)) {
                attr.size = node.usedBytes;
            } else if (FS.isLink(node.mode)) {
                attr.size = node.link.length;
            } else {
                attr.size = 0;
            }
            attr.atime = new Date(node.timestamp);
            attr.mtime = new Date(node.timestamp);
            attr.ctime = new Date(node.timestamp);
            attr.blksize = 4096;
            attr.blocks = Math.ceil(attr.size / attr.blksize);
            return attr;
        },
        setattr: function (node, attr) {
            if (attr.mode !== undefined) {
                node.mode = attr.mode;
            }
            if (attr.timestamp !== undefined) {
                node.timestamp = attr.timestamp;
            }
            if (attr.size !== undefined) {
                MEMFS.resizeFileStorage(node, attr.size);
            }
        },
        lookup: function (parent, name) {
            throw FS.genericErrors[44];
        },
        mknod: function (parent, name, mode, dev) {
            return MEMFS.createNode(parent, name, mode, dev);
        },
        rename: function (old_node, new_dir, new_name) {
            if (FS.isDir(old_node.mode)) {
                var new_node;
                try {
                    new_node = FS.lookupNode(new_dir, new_name);
                } catch (e) {}
                if (new_node) {
                    for (var i in new_node.contents) {
                        throw new FS.ErrnoError(55);
                    }
                }
            }
            delete old_node.parent.contents[old_node.name];
            old_node.name = new_name;
            new_dir.contents[new_name] = old_node;
            old_node.parent = new_dir;
        },
        unlink: function (parent, name) {
            delete parent.contents[name];
        },
        rmdir: function (parent, name) {
            var node = FS.lookupNode(parent, name);
            for (var i in node.contents) {
                throw new FS.ErrnoError(55);
            }
            delete parent.contents[name];
        },
        readdir: function (node) {
            var entries = [".", ".."];
            for (var key in node.contents) {
                if (!node.contents.hasOwnProperty(key)) {
                    continue;
                }
                entries.push(key);
            }
            return entries;
        },
        symlink: function (parent, newname, oldpath) {
            var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
            node.link = oldpath;
            return node;
        },
        readlink: function (node) {
            if (!FS.isLink(node.mode)) {
                throw new FS.ErrnoError(28);
            }
            return node.link;
        },
    },
    stream_ops: {
        read: function (stream, buffer, offset, length, position) {
            var contents = stream.node.contents;
            if (position >= stream.node.usedBytes) return 0;
            var size = Math.min(stream.node.usedBytes - position, length);
            if (size > 8 && contents.subarray) {
                buffer.set(contents.subarray(position, position + size), offset);
            } else {
                for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
            }
            return size;
        },
        write: function (stream, buffer, offset, length, position, canOwn) {
            if (!length) return 0;
            var node = stream.node;
            node.timestamp = Date.now();
            if (buffer.subarray && (!node.contents || node.contents.subarray)) {
                if (canOwn) {
                    node.contents = buffer.subarray(offset, offset + length);
                    node.usedBytes = length;
                    return length;
                } else if (node.usedBytes === 0 && position === 0) {
                    node.contents = buffer.slice(offset, offset + length);
                    node.usedBytes = length;
                    return length;
                } else if (position + length <= node.usedBytes) {
                    node.contents.set(buffer.subarray(offset, offset + length), position);
                    return length;
                }
            }
            MEMFS.expandFileStorage(node, position + length);
            if (node.contents.subarray && buffer.subarray) {
                node.contents.set(buffer.subarray(offset, offset + length), position);
            } else {
                for (var i = 0; i < length; i++) {
                    node.contents[position + i] = buffer[offset + i];
                }
            }
            node.usedBytes = Math.max(node.usedBytes, position + length);
            return length;
        },
        llseek: function (stream, offset, whence) {
            var position = offset;
            if (whence === 1) {
                position += stream.position;
            } else if (whence === 2) {
                if (FS.isFile(stream.node.mode)) {
                    position += stream.node.usedBytes;
                }
            }
            if (position < 0) {
                throw new FS.ErrnoError(28);
            }
            return position;
        },
        allocate: function (stream, offset, length) {
            MEMFS.expandFileStorage(stream.node, offset + length);
            stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
        },
        mmap: function (stream, address, length, position, prot, flags) {
            assert(address === 0);
            if (!FS.isFile(stream.node.mode)) {
                throw new FS.ErrnoError(43);
            }
            var ptr;
            var allocated;
            var contents = stream.node.contents;
            if (!(flags & 2) && contents.buffer === buffer) {
                allocated = false;
                ptr = contents.byteOffset;
            } else {
                if (position > 0 || position + length < contents.length) {
                    if (contents.subarray) {
                        contents = contents.subarray(position, position + length);
                    } else {
                        contents = Array.prototype.slice.call(contents, position, position + length);
                    }
                }
                allocated = true;
                ptr = FS.mmapAlloc(length);
                if (!ptr) {
                    throw new FS.ErrnoError(48);
                }
                HEAP8.set(contents, ptr);
            }
            return { ptr: ptr, allocated: allocated };
        },
        msync: function (stream, buffer, offset, length, mmapFlags) {
            if (!FS.isFile(stream.node.mode)) {
                throw new FS.ErrnoError(43);
            }
            if (mmapFlags & 2) {
                return 0;
            }
            var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
            return 0;
        },
    },
};
var IDBFS = {
    dbs: {},
    indexedDB: function () {
        if (typeof indexedDB !== "undefined") return indexedDB;
        var ret = null;
        if (typeof window === "object") ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
        assert(ret, "IDBFS used, but indexedDB not supported");
        return ret;
    },
    DB_VERSION: 21,
    DB_STORE_NAME: "FILE_DATA",
    mount: function (mount) {
        return MEMFS.mount.apply(null, arguments);
    },
    syncfs: function (mount, populate, callback) {
        IDBFS.getLocalSet(mount, function (err, local) {
            if (err) return callback(err);
            IDBFS.getRemoteSet(mount, function (err, remote) {
                if (err) return callback(err);
                var src = populate ? remote : local;
                var dst = populate ? local : remote;
                IDBFS.reconcile(src, dst, callback);
            });
        });
    },
    getDB: function (name, callback) {
        var db = IDBFS.dbs[name];
        if (db) {
            return callback(null, db);
        }
        var req;
        try {
            req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
        } catch (e) {
            return callback(e);
        }
        if (!req) {
            return callback("Unable to connect to IndexedDB");
        }
        req.onupgradeneeded = function (e) {
            var db = e.target.result;
            var transaction = e.target.transaction;
            var fileStore;
            if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
                fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
            } else {
                fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
            }
            if (!fileStore.indexNames.contains("timestamp")) {
                fileStore.createIndex("timestamp", "timestamp", { unique: false });
            }
        };
        req.onsuccess = function () {
            db = req.result;
            IDBFS.dbs[name] = db;
            callback(null, db);
        };
        req.onerror = function (e) {
            callback(this.error);
            e.preventDefault();
        };
    },
    getLocalSet: function (mount, callback) {
        var entries = {};
        function isRealDir(p) {
            return p !== "." && p !== "..";
        }
        function toAbsolute(root) {
            return function (p) {
                return PATH.join2(root, p);
            };
        }
        var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
        while (check.length) {
            var path = check.pop();
            var stat;
            try {
                stat = FS.stat(path);
            } catch (e) {
                return callback(e);
            }
            if (FS.isDir(stat.mode)) {
                check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
            }
            entries[path] = { timestamp: stat.mtime };
        }
        return callback(null, { type: "local", entries: entries });
    },
    getRemoteSet: function (mount, callback) {
        var entries = {};
        IDBFS.getDB(mount.mountpoint, function (err, db) {
            if (err) return callback(err);
            try {
                var transaction = db.transaction([IDBFS.DB_STORE_NAME], "readonly");
                transaction.onerror = function (e) {
                    callback(this.error);
                    e.preventDefault();
                };
                var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
                var index = store.index("timestamp");
                index.openKeyCursor().onsuccess = function (event) {
                    var cursor = event.target.result;
                    if (!cursor) {
                        return callback(null, { type: "remote", db: db, entries: entries });
                    }
                    entries[cursor.primaryKey] = { timestamp: cursor.key };
                    cursor.continue();
                };
            } catch (e) {
                return callback(e);
            }
        });
    },
    loadLocalEntry: function (path, callback) {
        var stat, node;
        try {
            var lookup = FS.lookupPath(path);
            node = lookup.node;
            stat = FS.stat(path);
        } catch (e) {
            return callback(e);
        }
        if (FS.isDir(stat.mode)) {
            return callback(null, { timestamp: stat.mtime, mode: stat.mode });
        } else if (FS.isFile(stat.mode)) {
            node.contents = MEMFS.getFileDataAsTypedArray(node);
            return callback(null, { timestamp: stat.mtime, mode: stat.mode, contents: node.contents });
        } else {
            return callback(new Error("node type not supported"));
        }
    },
    storeLocalEntry: function (path, entry, callback) {
        try {
            if (FS.isDir(entry["mode"])) {
                FS.mkdir(path, entry["mode"]);
            } else if (FS.isFile(entry["mode"])) {
                FS.writeFile(path, entry["contents"], { canOwn: true });
            } else {
                return callback(new Error("node type not supported"));
            }
            FS.chmod(path, entry["mode"]);
            FS.utime(path, entry["timestamp"], entry["timestamp"]);
        } catch (e) {
            return callback(e);
        }
        callback(null);
    },
    removeLocalEntry: function (path, callback) {
        try {
            var lookup = FS.lookupPath(path);
            var stat = FS.stat(path);
            if (FS.isDir(stat.mode)) {
                FS.rmdir(path);
            } else if (FS.isFile(stat.mode)) {
                FS.unlink(path);
            }
        } catch (e) {
            return callback(e);
        }
        callback(null);
    },
    loadRemoteEntry: function (store, path, callback) {
        var req = store.get(path);
        req.onsuccess = function (event) {
            callback(null, event.target.result);
        };
        req.onerror = function (e) {
            callback(this.error);
            e.preventDefault();
        };
    },
    storeRemoteEntry: function (store, path, entry, callback) {
        var req = store.put(entry, path);
        req.onsuccess = function () {
            callback(null);
        };
        req.onerror = function (e) {
            callback(this.error);
            e.preventDefault();
        };
    },
    removeRemoteEntry: function (store, path, callback) {
        var req = store.delete(path);
        req.onsuccess = function () {
            callback(null);
        };
        req.onerror = function (e) {
            callback(this.error);
            e.preventDefault();
        };
    },
    reconcile: function (src, dst, callback) {
        var total = 0;
        var create = [];
        Object.keys(src.entries).forEach(function (key) {
            var e = src.entries[key];
            var e2 = dst.entries[key];
            if (!e2 || e["timestamp"] > e2["timestamp"]) {
                create.push(key);
                total++;
            }
        });
        var remove = [];
        Object.keys(dst.entries).forEach(function (key) {
            var e = dst.entries[key];
            var e2 = src.entries[key];
            if (!e2) {
                remove.push(key);
                total++;
            }
        });
        if (!total) {
            return callback(null);
        }
        var errored = false;
        var db = src.type === "remote" ? src.db : dst.db;
        var transaction = db.transaction([IDBFS.DB_STORE_NAME], "readwrite");
        var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
        function done(err) {
            if (err && !errored) {
                errored = true;
                return callback(err);
            }
        }
        transaction.onerror = function (e) {
            done(this.error);
            e.preventDefault();
        };
        transaction.oncomplete = function (e) {
            if (!errored) {
                callback(null);
            }
        };
        create.sort().forEach(function (path) {
            if (dst.type === "local") {
                IDBFS.loadRemoteEntry(store, path, function (err, entry) {
                    if (err) return done(err);
                    IDBFS.storeLocalEntry(path, entry, done);
                });
            } else {
                IDBFS.loadLocalEntry(path, function (err, entry) {
                    if (err) return done(err);
                    IDBFS.storeRemoteEntry(store, path, entry, done);
                });
            }
        });
        remove
            .sort()
            .reverse()
            .forEach(function (path) {
                if (dst.type === "local") {
                    IDBFS.removeLocalEntry(path, done);
                } else {
                    IDBFS.removeRemoteEntry(store, path, done);
                }
            });
    },
};
var FS = {
    root: null,
    mounts: [],
    devices: {},
    streams: [],
    nextInode: 1,
    nameTable: null,
    currentPath: "/",
    initialized: false,
    ignorePermissions: true,
    trackingDelegate: {},
    tracking: { openFlags: { READ: 1, WRITE: 2 } },
    ErrnoError: null,
    genericErrors: {},
    filesystems: null,
    syncFSRequests: 0,
    handleFSError: function (e) {
        if (!(e instanceof FS.ErrnoError)) throw e + " : " + stackTrace();
        return setErrNo(e.errno);
    },
    lookupPath: function (path, opts) {
        path = PATH_FS.resolve(FS.cwd(), path);
        opts = opts || {};
        if (!path) return { path: "", node: null };
        var defaults = { follow_mount: true, recurse_count: 0 };
        for (var key in defaults) {
            if (opts[key] === undefined) {
                opts[key] = defaults[key];
            }
        }
        if (opts.recurse_count > 8) {
            throw new FS.ErrnoError(32);
        }
        var parts = PATH.normalizeArray(
            path.split("/").filter(function (p) {
                return !!p;
            }),
            false
        );
        var current = FS.root;
        var current_path = "/";
        for (var i = 0; i < parts.length; i++) {
            var islast = i === parts.length - 1;
            if (islast && opts.parent) {
                break;
            }
            current = FS.lookupNode(current, parts[i]);
            current_path = PATH.join2(current_path, parts[i]);
            if (FS.isMountpoint(current)) {
                if (!islast || (islast && opts.follow_mount)) {
                    current = current.mounted.root;
                }
            }
            if (!islast || opts.follow) {
                var count = 0;
                while (FS.isLink(current.mode)) {
                    var link = FS.readlink(current_path);
                    current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
                    var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count });
                    current = lookup.node;
                    if (count++ > 40) {
                        throw new FS.ErrnoError(32);
                    }
                }
            }
        }
        return { path: current_path, node: current };
    },
    getPath: function (node) {
        var path;
        while (true) {
            if (FS.isRoot(node)) {
                var mount = node.mount.mountpoint;
                if (!path) return mount;
                return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
            }
            path = path ? node.name + "/" + path : node.name;
            node = node.parent;
        }
    },
    hashName: function (parentid, name) {
        var hash = 0;
        for (var i = 0; i < name.length; i++) {
            hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
        }
        return ((parentid + hash) >>> 0) % FS.nameTable.length;
    },
    hashAddNode: function (node) {
        var hash = FS.hashName(node.parent.id, node.name);
        node.name_next = FS.nameTable[hash];
        FS.nameTable[hash] = node;
    },
    hashRemoveNode: function (node) {
        var hash = FS.hashName(node.parent.id, node.name);
        if (FS.nameTable[hash] === node) {
            FS.nameTable[hash] = node.name_next;
        } else {
            var current = FS.nameTable[hash];
            while (current) {
                if (current.name_next === node) {
                    current.name_next = node.name_next;
                    break;
                }
                current = current.name_next;
            }
        }
    },
    lookupNode: function (parent, name) {
        var errCode = FS.mayLookup(parent);
        if (errCode) {
            throw new FS.ErrnoError(errCode, parent);
        }
        var hash = FS.hashName(parent.id, name);
        for (var node = FS.nameTable[hash]; node; node = node.name_next) {
            var nodeName = node.name;
            if (node.parent.id === parent.id && nodeName === name) {
                return node;
            }
        }
        return FS.lookup(parent, name);
    },
    createNode: function (parent, name, mode, rdev) {
        var node = new FS.FSNode(parent, name, mode, rdev);
        FS.hashAddNode(node);
        return node;
    },
    destroyNode: function (node) {
        FS.hashRemoveNode(node);
    },
    isRoot: function (node) {
        return node === node.parent;
    },
    isMountpoint: function (node) {
        return !!node.mounted;
    },
    isFile: function (mode) {
        return (mode & 61440) === 32768;
    },
    isDir: function (mode) {
        return (mode & 61440) === 16384;
    },
    isLink: function (mode) {
        return (mode & 61440) === 40960;
    },
    isChrdev: function (mode) {
        return (mode & 61440) === 8192;
    },
    isBlkdev: function (mode) {
        return (mode & 61440) === 24576;
    },
    isFIFO: function (mode) {
        return (mode & 61440) === 4096;
    },
    isSocket: function (mode) {
        return (mode & 49152) === 49152;
    },
    flagModes: { r: 0, rs: 1052672, "r+": 2, w: 577, wx: 705, xw: 705, "w+": 578, "wx+": 706, "xw+": 706, a: 1089, ax: 1217, xa: 1217, "a+": 1090, "ax+": 1218, "xa+": 1218 },
    modeStringToFlags: function (str) {
        var flags = FS.flagModes[str];
        if (typeof flags === "undefined") {
            throw new Error("Unknown file open mode: " + str);
        }
        return flags;
    },
    flagsToPermissionString: function (flag) {
        var perms = ["r", "w", "rw"][flag & 3];
        if (flag & 512) {
            perms += "w";
        }
        return perms;
    },
    nodePermissions: function (node, perms) {
        if (FS.ignorePermissions) {
            return 0;
        }
        if (perms.indexOf("r") !== -1 && !(node.mode & 292)) {
            return 2;
        } else if (perms.indexOf("w") !== -1 && !(node.mode & 146)) {
            return 2;
        } else if (perms.indexOf("x") !== -1 && !(node.mode & 73)) {
            return 2;
        }
        return 0;
    },
    mayLookup: function (dir) {
        var errCode = FS.nodePermissions(dir, "x");
        if (errCode) return errCode;
        if (!dir.node_ops.lookup) return 2;
        return 0;
    },
    mayCreate: function (dir, name) {
        try {
            var node = FS.lookupNode(dir, name);
            return 20;
        } catch (e) {}
        return FS.nodePermissions(dir, "wx");
    },
    mayDelete: function (dir, name, isdir) {
        var node;
        try {
            node = FS.lookupNode(dir, name);
        } catch (e) {
            return e.errno;
        }
        var errCode = FS.nodePermissions(dir, "wx");
        if (errCode) {
            return errCode;
        }
        if (isdir) {
            if (!FS.isDir(node.mode)) {
                return 54;
            }
            if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
                return 10;
            }
        } else {
            if (FS.isDir(node.mode)) {
                return 31;
            }
        }
        return 0;
    },
    mayOpen: function (node, flags) {
        if (!node) {
            return 44;
        }
        if (FS.isLink(node.mode)) {
            return 32;
        } else if (FS.isDir(node.mode)) {
            if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
                return 31;
            }
        }
        return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
    },
    MAX_OPEN_FDS: 4096,
    nextfd: function (fd_start, fd_end) {
        fd_start = fd_start || 0;
        fd_end = fd_end || FS.MAX_OPEN_FDS;
        for (var fd = fd_start; fd <= fd_end; fd++) {
            if (!FS.streams[fd]) {
                return fd;
            }
        }
        throw new FS.ErrnoError(33);
    },
    getStream: function (fd) {
        return FS.streams[fd];
    },
    createStream: function (stream, fd_start, fd_end) {
        if (!FS.FSStream) {
            FS.FSStream = function () {};
            FS.FSStream.prototype = {
                object: {
                    get: function () {
                        return this.node;
                    },
                    set: function (val) {
                        this.node = val;
                    },
                },
                isRead: {
                    get: function () {
                        return (this.flags & 2097155) !== 1;
                    },
                },
                isWrite: {
                    get: function () {
                        return (this.flags & 2097155) !== 0;
                    },
                },
                isAppend: {
                    get: function () {
                        return this.flags & 1024;
                    },
                },
            };
        }
        var newStream = new FS.FSStream();
        for (var p in stream) {
            newStream[p] = stream[p];
        }
        stream = newStream;
        var fd = FS.nextfd(fd_start, fd_end);
        stream.fd = fd;
        FS.streams[fd] = stream;
        return stream;
    },
    closeStream: function (fd) {
        FS.streams[fd] = null;
    },
    chrdev_stream_ops: {
        open: function (stream) {
            var device = FS.getDevice(stream.node.rdev);
            stream.stream_ops = device.stream_ops;
            if (stream.stream_ops.open) {
                stream.stream_ops.open(stream);
            }
        },
        llseek: function () {
            throw new FS.ErrnoError(70);
        },
    },
    major: function (dev) {
        return dev >> 8;
    },
    minor: function (dev) {
        return dev & 255;
    },
    makedev: function (ma, mi) {
        return (ma << 8) | mi;
    },
    registerDevice: function (dev, ops) {
        FS.devices[dev] = { stream_ops: ops };
    },
    getDevice: function (dev) {
        return FS.devices[dev];
    },
    getMounts: function (mount) {
        var mounts = [];
        var check = [mount];
        while (check.length) {
            var m = check.pop();
            mounts.push(m);
            check.push.apply(check, m.mounts);
        }
        return mounts;
    },
    syncfs: function (populate, callback) {
        if (typeof populate === "function") {
            callback = populate;
            populate = false;
        }
        FS.syncFSRequests++;
        if (FS.syncFSRequests > 1) {
            err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
        }
        var mounts = FS.getMounts(FS.root.mount);
        var completed = 0;
        function doCallback(errCode) {
            FS.syncFSRequests--;
            return callback(errCode);
        }
        function done(errCode) {
            if (errCode) {
                if (!done.errored) {
                    done.errored = true;
                    return doCallback(errCode);
                }
                return;
            }
            if (++completed >= mounts.length) {
                doCallback(null);
            }
        }
        mounts.forEach(function (mount) {
            if (!mount.type.syncfs) {
                return done(null);
            }
            mount.type.syncfs(mount, populate, done);
        });
    },
    mount: function (type, opts, mountpoint) {
        var root = mountpoint === "/";
        var pseudo = !mountpoint;
        var node;
        if (root && FS.root) {
            throw new FS.ErrnoError(10);
        } else if (!root && !pseudo) {
            var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
            mountpoint = lookup.path;
            node = lookup.node;
            if (FS.isMountpoint(node)) {
                throw new FS.ErrnoError(10);
            }
            if (!FS.isDir(node.mode)) {
                throw new FS.ErrnoError(54);
            }
        }
        var mount = { type: type, opts: opts, mountpoint: mountpoint, mounts: [] };
        var mountRoot = type.mount(mount);
        mountRoot.mount = mount;
        mount.root = mountRoot;
        if (root) {
            FS.root = mountRoot;
        } else if (node) {
            node.mounted = mount;
            if (node.mount) {
                node.mount.mounts.push(mount);
            }
        }
        return mountRoot;
    },
    unmount: function (mountpoint) {
        var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
        if (!FS.isMountpoint(lookup.node)) {
            throw new FS.ErrnoError(28);
        }
        var node = lookup.node;
        var mount = node.mounted;
        var mounts = FS.getMounts(mount);
        Object.keys(FS.nameTable).forEach(function (hash) {
            var current = FS.nameTable[hash];
            while (current) {
                var next = current.name_next;
                if (mounts.indexOf(current.mount) !== -1) {
                    FS.destroyNode(current);
                }
                current = next;
            }
        });
        node.mounted = null;
        var idx = node.mount.mounts.indexOf(mount);
        node.mount.mounts.splice(idx, 1);
    },
    lookup: function (parent, name) {
        return parent.node_ops.lookup(parent, name);
    },
    mknod: function (path, mode, dev) {
        var lookup = FS.lookupPath(path, { parent: true });
        var parent = lookup.node;
        var name = PATH.basename(path);
        if (!name || name === "." || name === "..") {
            throw new FS.ErrnoError(28);
        }
        var errCode = FS.mayCreate(parent, name);
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        if (!parent.node_ops.mknod) {
            throw new FS.ErrnoError(63);
        }
        return parent.node_ops.mknod(parent, name, mode, dev);
    },
    create: function (path, mode) {
        mode = mode !== undefined ? mode : 438;
        mode &= 4095;
        mode |= 32768;
        return FS.mknod(path, mode, 0);
    },
    mkdir: function (path, mode) {
        mode = mode !== undefined ? mode : 511;
        mode &= 511 | 512;
        mode |= 16384;
        return FS.mknod(path, mode, 0);
    },
    mkdirTree: function (path, mode) {
        var dirs = path.split("/");
        var d = "";
        for (var i = 0; i < dirs.length; ++i) {
            if (!dirs[i]) continue;
            d += "/" + dirs[i];
            try {
                FS.mkdir(d, mode);
            } catch (e) {
                if (e.errno != 20) throw e;
            }
        }
    },
    mkdev: function (path, mode, dev) {
        if (typeof dev === "undefined") {
            dev = mode;
            mode = 438;
        }
        mode |= 8192;
        return FS.mknod(path, mode, dev);
    },
    symlink: function (oldpath, newpath) {
        if (!PATH_FS.resolve(oldpath)) {
            throw new FS.ErrnoError(44);
        }
        var lookup = FS.lookupPath(newpath, { parent: true });
        var parent = lookup.node;
        if (!parent) {
            throw new FS.ErrnoError(44);
        }
        var newname = PATH.basename(newpath);
        var errCode = FS.mayCreate(parent, newname);
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        if (!parent.node_ops.symlink) {
            throw new FS.ErrnoError(63);
        }
        return parent.node_ops.symlink(parent, newname, oldpath);
    },
    rename: function (old_path, new_path) {
        var old_dirname = PATH.dirname(old_path);
        var new_dirname = PATH.dirname(new_path);
        var old_name = PATH.basename(old_path);
        var new_name = PATH.basename(new_path);
        var lookup, old_dir, new_dir;
        lookup = FS.lookupPath(old_path, { parent: true });
        old_dir = lookup.node;
        lookup = FS.lookupPath(new_path, { parent: true });
        new_dir = lookup.node;
        if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
        if (old_dir.mount !== new_dir.mount) {
            throw new FS.ErrnoError(75);
        }
        var old_node = FS.lookupNode(old_dir, old_name);
        var relative = PATH_FS.relative(old_path, new_dirname);
        if (relative.charAt(0) !== ".") {
            throw new FS.ErrnoError(28);
        }
        relative = PATH_FS.relative(new_path, old_dirname);
        if (relative.charAt(0) !== ".") {
            throw new FS.ErrnoError(55);
        }
        var new_node;
        try {
            new_node = FS.lookupNode(new_dir, new_name);
        } catch (e) {}
        if (old_node === new_node) {
            return;
        }
        var isdir = FS.isDir(old_node.mode);
        var errCode = FS.mayDelete(old_dir, old_name, isdir);
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        if (!old_dir.node_ops.rename) {
            throw new FS.ErrnoError(63);
        }
        if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
            throw new FS.ErrnoError(10);
        }
        if (new_dir !== old_dir) {
            errCode = FS.nodePermissions(old_dir, "w");
            if (errCode) {
                throw new FS.ErrnoError(errCode);
            }
        }
        try {
            if (FS.trackingDelegate["willMovePath"]) {
                FS.trackingDelegate["willMovePath"](old_path, new_path);
            }
        } catch (e) {
            err("FS.trackingDelegate['willMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
        }
        FS.hashRemoveNode(old_node);
        try {
            old_dir.node_ops.rename(old_node, new_dir, new_name);
        } catch (e) {
            throw e;
        } finally {
            FS.hashAddNode(old_node);
        }
        try {
            if (FS.trackingDelegate["onMovePath"]) FS.trackingDelegate["onMovePath"](old_path, new_path);
        } catch (e) {
            err("FS.trackingDelegate['onMovePath']('" + old_path + "', '" + new_path + "') threw an exception: " + e.message);
        }
    },
    rmdir: function (path) {
        var lookup = FS.lookupPath(path, { parent: true });
        var parent = lookup.node;
        var name = PATH.basename(path);
        var node = FS.lookupNode(parent, name);
        var errCode = FS.mayDelete(parent, name, true);
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        if (!parent.node_ops.rmdir) {
            throw new FS.ErrnoError(63);
        }
        if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(10);
        }
        try {
            if (FS.trackingDelegate["willDeletePath"]) {
                FS.trackingDelegate["willDeletePath"](path);
            }
        } catch (e) {
            err("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
        }
        parent.node_ops.rmdir(parent, name);
        FS.destroyNode(node);
        try {
            if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
        } catch (e) {
            err("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
        }
    },
    readdir: function (path) {
        var lookup = FS.lookupPath(path, { follow: true });
        var node = lookup.node;
        if (!node.node_ops.readdir) {
            throw new FS.ErrnoError(54);
        }
        return node.node_ops.readdir(node);
    },
    unlink: function (path) {
        var lookup = FS.lookupPath(path, { parent: true });
        var parent = lookup.node;
        var name = PATH.basename(path);
        var node = FS.lookupNode(parent, name);
        var errCode = FS.mayDelete(parent, name, false);
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        if (!parent.node_ops.unlink) {
            throw new FS.ErrnoError(63);
        }
        if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(10);
        }
        try {
            if (FS.trackingDelegate["willDeletePath"]) {
                FS.trackingDelegate["willDeletePath"](path);
            }
        } catch (e) {
            err("FS.trackingDelegate['willDeletePath']('" + path + "') threw an exception: " + e.message);
        }
        parent.node_ops.unlink(parent, name);
        FS.destroyNode(node);
        try {
            if (FS.trackingDelegate["onDeletePath"]) FS.trackingDelegate["onDeletePath"](path);
        } catch (e) {
            err("FS.trackingDelegate['onDeletePath']('" + path + "') threw an exception: " + e.message);
        }
    },
    readlink: function (path) {
        var lookup = FS.lookupPath(path);
        var link = lookup.node;
        if (!link) {
            throw new FS.ErrnoError(44);
        }
        if (!link.node_ops.readlink) {
            throw new FS.ErrnoError(28);
        }
        return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
    },
    stat: function (path, dontFollow) {
        var lookup = FS.lookupPath(path, { follow: !dontFollow });
        var node = lookup.node;
        if (!node) {
            throw new FS.ErrnoError(44);
        }
        if (!node.node_ops.getattr) {
            throw new FS.ErrnoError(63);
        }
        return node.node_ops.getattr(node);
    },
    lstat: function (path) {
        return FS.stat(path, true);
    },
    chmod: function (path, mode, dontFollow) {
        var node;
        if (typeof path === "string") {
            var lookup = FS.lookupPath(path, { follow: !dontFollow });
            node = lookup.node;
        } else {
            node = path;
        }
        if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(63);
        }
        node.node_ops.setattr(node, { mode: (mode & 4095) | (node.mode & ~4095), timestamp: Date.now() });
    },
    lchmod: function (path, mode) {
        FS.chmod(path, mode, true);
    },
    fchmod: function (fd, mode) {
        var stream = FS.getStream(fd);
        if (!stream) {
            throw new FS.ErrnoError(8);
        }
        FS.chmod(stream.node, mode);
    },
    chown: function (path, uid, gid, dontFollow) {
        var node;
        if (typeof path === "string") {
            var lookup = FS.lookupPath(path, { follow: !dontFollow });
            node = lookup.node;
        } else {
            node = path;
        }
        if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(63);
        }
        node.node_ops.setattr(node, { timestamp: Date.now() });
    },
    lchown: function (path, uid, gid) {
        FS.chown(path, uid, gid, true);
    },
    fchown: function (fd, uid, gid) {
        var stream = FS.getStream(fd);
        if (!stream) {
            throw new FS.ErrnoError(8);
        }
        FS.chown(stream.node, uid, gid);
    },
    truncate: function (path, len) {
        if (len < 0) {
            throw new FS.ErrnoError(28);
        }
        var node;
        if (typeof path === "string") {
            var lookup = FS.lookupPath(path, { follow: true });
            node = lookup.node;
        } else {
            node = path;
        }
        if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(63);
        }
        if (FS.isDir(node.mode)) {
            throw new FS.ErrnoError(31);
        }
        if (!FS.isFile(node.mode)) {
            throw new FS.ErrnoError(28);
        }
        var errCode = FS.nodePermissions(node, "w");
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        node.node_ops.setattr(node, { size: len, timestamp: Date.now() });
    },
    ftruncate: function (fd, len) {
        var stream = FS.getStream(fd);
        if (!stream) {
            throw new FS.ErrnoError(8);
        }
        if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(28);
        }
        FS.truncate(stream.node, len);
    },
    utime: function (path, atime, mtime) {
        var lookup = FS.lookupPath(path, { follow: true });
        var node = lookup.node;
        node.node_ops.setattr(node, { timestamp: Math.max(atime, mtime) });
    },
    open: function (path, flags, mode, fd_start, fd_end) {
        if (path === "") {
            throw new FS.ErrnoError(44);
        }
        flags = typeof flags === "string" ? FS.modeStringToFlags(flags) : flags;
        mode = typeof mode === "undefined" ? 438 : mode;
        if (flags & 64) {
            mode = (mode & 4095) | 32768;
        } else {
            mode = 0;
        }
        var node;
        if (typeof path === "object") {
            node = path;
        } else {
            path = PATH.normalize(path);
            try {
                var lookup = FS.lookupPath(path, { follow: !(flags & 131072) });
                node = lookup.node;
            } catch (e) {}
        }
        var created = false;
        if (flags & 64) {
            if (node) {
                if (flags & 128) {
                    throw new FS.ErrnoError(20);
                }
            } else {
                node = FS.mknod(path, mode, 0);
                created = true;
            }
        }
        if (!node) {
            throw new FS.ErrnoError(44);
        }
        if (FS.isChrdev(node.mode)) {
            flags &= ~512;
        }
        if (flags & 65536 && !FS.isDir(node.mode)) {
            throw new FS.ErrnoError(54);
        }
        if (!created) {
            var errCode = FS.mayOpen(node, flags);
            if (errCode) {
                throw new FS.ErrnoError(errCode);
            }
        }
        if (flags & 512) {
            FS.truncate(node, 0);
        }
        flags &= ~(128 | 512 | 131072);
        var stream = FS.createStream({ node: node, path: FS.getPath(node), flags: flags, seekable: true, position: 0, stream_ops: node.stream_ops, ungotten: [], error: false }, fd_start, fd_end);
        if (stream.stream_ops.open) {
            stream.stream_ops.open(stream);
        }
        if (Module["logReadFiles"] && !(flags & 1)) {
            if (!FS.readFiles) FS.readFiles = {};
            if (!(path in FS.readFiles)) {
                FS.readFiles[path] = 1;
                err("FS.trackingDelegate error on read file: " + path);
            }
        }
        try {
            if (FS.trackingDelegate["onOpenFile"]) {
                var trackingFlags = 0;
                if ((flags & 2097155) !== 1) {
                    trackingFlags |= FS.tracking.openFlags.READ;
                }
                if ((flags & 2097155) !== 0) {
                    trackingFlags |= FS.tracking.openFlags.WRITE;
                }
                FS.trackingDelegate["onOpenFile"](path, trackingFlags);
            }
        } catch (e) {
            err("FS.trackingDelegate['onOpenFile']('" + path + "', flags) threw an exception: " + e.message);
        }
        return stream;
    },
    close: function (stream) {
        if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
        }
        if (stream.getdents) stream.getdents = null;
        try {
            if (stream.stream_ops.close) {
                stream.stream_ops.close(stream);
            }
        } catch (e) {
            throw e;
        } finally {
            FS.closeStream(stream.fd);
        }
        stream.fd = null;
    },
    isClosed: function (stream) {
        return stream.fd === null;
    },
    llseek: function (stream, offset, whence) {
        if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
        }
        if (!stream.seekable || !stream.stream_ops.llseek) {
            throw new FS.ErrnoError(70);
        }
        if (whence != 0 && whence != 1 && whence != 2) {
            throw new FS.ErrnoError(28);
        }
        stream.position = stream.stream_ops.llseek(stream, offset, whence);
        stream.ungotten = [];
        return stream.position;
    },
    read: function (stream, buffer, offset, length, position) {
        if (length < 0 || position < 0) {
            throw new FS.ErrnoError(28);
        }
        if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
        }
        if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(8);
        }
        if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(31);
        }
        if (!stream.stream_ops.read) {
            throw new FS.ErrnoError(28);
        }
        var seeking = typeof position !== "undefined";
        if (!seeking) {
            position = stream.position;
        } else if (!stream.seekable) {
            throw new FS.ErrnoError(70);
        }
        var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
        if (!seeking) stream.position += bytesRead;
        return bytesRead;
    },
    write: function (stream, buffer, offset, length, position, canOwn) {
        if (length < 0 || position < 0) {
            throw new FS.ErrnoError(28);
        }
        if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
        }
        if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(8);
        }
        if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(31);
        }
        if (!stream.stream_ops.write) {
            throw new FS.ErrnoError(28);
        }
        if (stream.seekable && stream.flags & 1024) {
            FS.llseek(stream, 0, 2);
        }
        var seeking = typeof position !== "undefined";
        if (!seeking) {
            position = stream.position;
        } else if (!stream.seekable) {
            throw new FS.ErrnoError(70);
        }
        var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
        if (!seeking) stream.position += bytesWritten;
        try {
            if (stream.path && FS.trackingDelegate["onWriteToFile"]) FS.trackingDelegate["onWriteToFile"](stream.path);
        } catch (e) {
            err("FS.trackingDelegate['onWriteToFile']('" + stream.path + "') threw an exception: " + e.message);
        }
        return bytesWritten;
    },
    allocate: function (stream, offset, length) {
        if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(8);
        }
        if (offset < 0 || length <= 0) {
            throw new FS.ErrnoError(28);
        }
        if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(8);
        }
        if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(43);
        }
        if (!stream.stream_ops.allocate) {
            throw new FS.ErrnoError(138);
        }
        stream.stream_ops.allocate(stream, offset, length);
    },
    mmap: function (stream, address, length, position, prot, flags) {
        if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
            throw new FS.ErrnoError(2);
        }
        if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(2);
        }
        if (!stream.stream_ops.mmap) {
            throw new FS.ErrnoError(43);
        }
        return stream.stream_ops.mmap(stream, address, length, position, prot, flags);
    },
    msync: function (stream, buffer, offset, length, mmapFlags) {
        if (!stream || !stream.stream_ops.msync) {
            return 0;
        }
        return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
    },
    munmap: function (stream) {
        return 0;
    },
    ioctl: function (stream, cmd, arg) {
        if (!stream.stream_ops.ioctl) {
            throw new FS.ErrnoError(59);
        }
        return stream.stream_ops.ioctl(stream, cmd, arg);
    },
    readFile: function (path, opts) {
        opts = opts || {};
        opts.flags = opts.flags || "r";
        opts.encoding = opts.encoding || "binary";
        if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
            throw new Error('Invalid encoding type "' + opts.encoding + '"');
        }
        var ret;
        var stream = FS.open(path, opts.flags);
        var stat = FS.stat(path);
        var length = stat.size;
        var buf = new Uint8Array(length);
        FS.read(stream, buf, 0, length, 0);
        if (opts.encoding === "utf8") {
            ret = UTF8ArrayToString(buf, 0);
        } else if (opts.encoding === "binary") {
            ret = buf;
        }
        FS.close(stream);
        return ret;
    },
    writeFile: function (path, data, opts) {
        opts = opts || {};
        opts.flags = opts.flags || "w";
        var stream = FS.open(path, opts.flags, opts.mode);
        if (typeof data === "string") {
            var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
            var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
            FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
        } else if (ArrayBuffer.isView(data)) {
            FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
        } else {
            throw new Error("Unsupported data type");
        }
        FS.close(stream);
    },
    cwd: function () {
        return FS.currentPath;
    },
    chdir: function (path) {
        var lookup = FS.lookupPath(path, { follow: true });
        if (lookup.node === null) {
            throw new FS.ErrnoError(44);
        }
        if (!FS.isDir(lookup.node.mode)) {
            throw new FS.ErrnoError(54);
        }
        var errCode = FS.nodePermissions(lookup.node, "x");
        if (errCode) {
            throw new FS.ErrnoError(errCode);
        }
        FS.currentPath = lookup.path;
    },
    createDefaultDirectories: function () {
        FS.mkdir("/tmp");
        FS.mkdir("/home");
        FS.mkdir("/home/web_user");
    },
    createDefaultDevices: function () {
        FS.mkdir("/dev");
        FS.registerDevice(FS.makedev(1, 3), {
            read: function () {
                return 0;
            },
            write: function (stream, buffer, offset, length, pos) {
                return length;
            },
        });
        FS.mkdev("/dev/null", FS.makedev(1, 3));
        TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
        TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
        FS.mkdev("/dev/tty", FS.makedev(5, 0));
        FS.mkdev("/dev/tty1", FS.makedev(6, 0));
        var random_device;
        if (typeof crypto === "object" && typeof crypto["getRandomValues"] === "function") {
            var randomBuffer = new Uint8Array(1);
            random_device = function () {
                crypto.getRandomValues(randomBuffer);
                return randomBuffer[0];
            };
        } else if (ENVIRONMENT_IS_NODE) {
            try {
                var crypto_module = require("crypto");
                random_device = function () {
                    return crypto_module["randomBytes"](1)[0];
                };
            } catch (e) {}
        } else {
        }
        if (!random_device) {
            random_device = function () {
                abort("random_device");
            };
        }
        FS.createDevice("/dev", "random", random_device);
        FS.createDevice("/dev", "urandom", random_device);
        FS.mkdir("/dev/shm");
        FS.mkdir("/dev/shm/tmp");
    },
    createSpecialDirectories: function () {
        FS.mkdir("/proc");
        FS.mkdir("/proc/self");
        FS.mkdir("/proc/self/fd");
        FS.mount(
            {
                mount: function () {
                    var node = FS.createNode("/proc/self", "fd", 16384 | 511, 73);
                    node.node_ops = {
                        lookup: function (parent, name) {
                            var fd = +name;
                            var stream = FS.getStream(fd);
                            if (!stream) throw new FS.ErrnoError(8);
                            var ret = {
                                parent: null,
                                mount: { mountpoint: "fake" },
                                node_ops: {
                                    readlink: function () {
                                        return stream.path;
                                    },
                                },
                            };
                            ret.parent = ret;
                            return ret;
                        },
                    };
                    return node;
                },
            },
            {},
            "/proc/self/fd"
        );
    },
    createStandardStreams: function () {
        if (Module["stdin"]) {
            FS.createDevice("/dev", "stdin", Module["stdin"]);
        } else {
            FS.symlink("/dev/tty", "/dev/stdin");
        }
        if (Module["stdout"]) {
            FS.createDevice("/dev", "stdout", null, Module["stdout"]);
        } else {
            FS.symlink("/dev/tty", "/dev/stdout");
        }
        if (Module["stderr"]) {
            FS.createDevice("/dev", "stderr", null, Module["stderr"]);
        } else {
            FS.symlink("/dev/tty1", "/dev/stderr");
        }
        var stdin = FS.open("/dev/stdin", "r");
        var stdout = FS.open("/dev/stdout", "w");
        var stderr = FS.open("/dev/stderr", "w");
    },
    ensureErrnoError: function () {
        if (FS.ErrnoError) return;
        FS.ErrnoError = function ErrnoError(errno, node) {
            this.node = node;
            this.setErrno = function (errno) {
                this.errno = errno;
            };
            this.setErrno(errno);
            this.message = "FS error";
        };
        FS.ErrnoError.prototype = new Error();
        FS.ErrnoError.prototype.constructor = FS.ErrnoError;
        [44].forEach(function (code) {
            FS.genericErrors[code] = new FS.ErrnoError(code);
            FS.genericErrors[code].stack = "<generic error, no stack>";
        });
    },
    staticInit: function () {
        FS.ensureErrnoError();
        FS.nameTable = new Array(4096);
        FS.mount(MEMFS, {}, "/");
        FS.createDefaultDirectories();
        FS.createDefaultDevices();
        FS.createSpecialDirectories();
        FS.filesystems = { MEMFS: MEMFS, IDBFS: IDBFS };
    },
    init: function (input, output, error) {
        FS.init.initialized = true;
        FS.ensureErrnoError();
        Module["stdin"] = input || Module["stdin"];
        Module["stdout"] = output || Module["stdout"];
        Module["stderr"] = error || Module["stderr"];
        FS.createStandardStreams();
    },
    quit: function () {
        FS.init.initialized = false;
        var fflush = Module["_fflush"];
        if (fflush) fflush(0);
        for (var i = 0; i < FS.streams.length; i++) {
            var stream = FS.streams[i];
            if (!stream) {
                continue;
            }
            FS.close(stream);
        }
    },
    getMode: function (canRead, canWrite) {
        var mode = 0;
        if (canRead) mode |= 292 | 73;
        if (canWrite) mode |= 146;
        return mode;
    },
    joinPath: function (parts, forceRelative) {
        var path = PATH.join.apply(null, parts);
        if (forceRelative && path[0] == "/") path = path.substr(1);
        return path;
    },
    absolutePath: function (relative, base) {
        return PATH_FS.resolve(base, relative);
    },
    standardizePath: function (path) {
        return PATH.normalize(path);
    },
    findObject: function (path, dontResolveLastLink) {
        var ret = FS.analyzePath(path, dontResolveLastLink);
        if (ret.exists) {
            return ret.object;
        } else {
            setErrNo(ret.error);
            return null;
        }
    },
    analyzePath: function (path, dontResolveLastLink) {
        try {
            var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
            path = lookup.path;
        } catch (e) {}
        var ret = { isRoot: false, exists: false, error: 0, name: null, path: null, object: null, parentExists: false, parentPath: null, parentObject: null };
        try {
            var lookup = FS.lookupPath(path, { parent: true });
            ret.parentExists = true;
            ret.parentPath = lookup.path;
            ret.parentObject = lookup.node;
            ret.name = PATH.basename(path);
            lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
            ret.exists = true;
            ret.path = lookup.path;
            ret.object = lookup.node;
            ret.name = lookup.node.name;
            ret.isRoot = lookup.path === "/";
        } catch (e) {
            ret.error = e.errno;
        }
        return ret;
    },
    createFolder: function (parent, name, canRead, canWrite) {
        var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
        var mode = FS.getMode(canRead, canWrite);
        return FS.mkdir(path, mode);
    },
    createPath: function (parent, path, canRead, canWrite) {
        parent = typeof parent === "string" ? parent : FS.getPath(parent);
        var parts = path.split("/").reverse();
        while (parts.length) {
            var part = parts.pop();
            if (!part) continue;
            var current = PATH.join2(parent, part);
            try {
                FS.mkdir(current);
            } catch (e) {}
            parent = current;
        }
        return current;
    },
    createFile: function (parent, name, properties, canRead, canWrite) {
        var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
        var mode = FS.getMode(canRead, canWrite);
        return FS.create(path, mode);
    },
    createDataFile: function (parent, name, data, canRead, canWrite, canOwn) {
        var path = name ? PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name) : parent;
        var mode = FS.getMode(canRead, canWrite);
        var node = FS.create(path, mode);
        if (data) {
            if (typeof data === "string") {
                var arr = new Array(data.length);
                for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
                data = arr;
            }
            FS.chmod(node, mode | 146);
            var stream = FS.open(node, "w");
            FS.write(stream, data, 0, data.length, 0, canOwn);
            FS.close(stream);
            FS.chmod(node, mode);
        }
        return node;
    },
    createDevice: function (parent, name, input, output) {
        var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
        var mode = FS.getMode(!!input, !!output);
        if (!FS.createDevice.major) FS.createDevice.major = 64;
        var dev = FS.makedev(FS.createDevice.major++, 0);
        FS.registerDevice(dev, {
            open: function (stream) {
                stream.seekable = false;
            },
            close: function (stream) {
                if (output && output.buffer && output.buffer.length) {
                    output(10);
                }
            },
            read: function (stream, buffer, offset, length, pos) {
                var bytesRead = 0;
                for (var i = 0; i < length; i++) {
                    var result;
                    try {
                        result = input();
                    } catch (e) {
                        throw new FS.ErrnoError(29);
                    }
                    if (result === undefined && bytesRead === 0) {
                        throw new FS.ErrnoError(6);
                    }
                    if (result === null || result === undefined) break;
                    bytesRead++;
                    buffer[offset + i] = result;
                }
                if (bytesRead) {
                    stream.node.timestamp = Date.now();
                }
                return bytesRead;
            },
            write: function (stream, buffer, offset, length, pos) {
                for (var i = 0; i < length; i++) {
                    try {
                        output(buffer[offset + i]);
                    } catch (e) {
                        throw new FS.ErrnoError(29);
                    }
                }
                if (length) {
                    stream.node.timestamp = Date.now();
                }
                return i;
            },
        });
        return FS.mkdev(path, mode, dev);
    },
    createLink: function (parent, name, target, canRead, canWrite) {
        var path = PATH.join2(typeof parent === "string" ? parent : FS.getPath(parent), name);
        return FS.symlink(target, path);
    },
    forceLoadFile: function (obj) {
        if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
        var success = true;
        if (typeof XMLHttpRequest !== "undefined") {
            throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
        } else if (read_) {
            try {
                obj.contents = intArrayFromString(read_(obj.url), true);
                obj.usedBytes = obj.contents.length;
            } catch (e) {
                success = false;
            }
        } else {
            throw new Error("Cannot load without read() or XMLHttpRequest.");
        }
        if (!success) setErrNo(29);
        return success;
    },
    createLazyFile: function (parent, name, url, canRead, canWrite) {
        function LazyUint8Array() {
            this.lengthKnown = false;
            this.chunks = [];
        }
        LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
            if (idx > this.length - 1 || idx < 0) {
                return undefined;
            }
            var chunkOffset = idx % this.chunkSize;
            var chunkNum = (idx / this.chunkSize) | 0;
            return this.getter(chunkNum)[chunkOffset];
        };
        LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
            this.getter = getter;
        };
        LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
            var xhr = new XMLHttpRequest();
            xhr.open("HEAD", url, false);
            xhr.send(null);
            if (!((xhr.status >= 200 && xhr.status < 300) || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
            var datalength = Number(xhr.getResponseHeader("Content-length"));
            var header;
            var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
            var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
            var chunkSize = 1024 * 1024;
            if (!hasByteServing) chunkSize = datalength;
            var doXHR = function (from, to) {
                if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
                if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
                var xhr = new XMLHttpRequest();
                xhr.open("GET", url, false);
                if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
                if (typeof Uint8Array != "undefined") xhr.responseType = "arraybuffer";
                if (xhr.overrideMimeType) {
                    xhr.overrideMimeType("text/plain; charset=x-user-defined");
                }
                xhr.send(null);
                if (!((xhr.status >= 200 && xhr.status < 300) || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                if (xhr.response !== undefined) {
                    return new Uint8Array(xhr.response || []);
                } else {
                    return intArrayFromString(xhr.responseText || "", true);
                }
            };
            var lazyArray = this;
            lazyArray.setDataGetter(function (chunkNum) {
                var start = chunkNum * chunkSize;
                var end = (chunkNum + 1) * chunkSize - 1;
                end = Math.min(end, datalength - 1);
                if (typeof lazyArray.chunks[chunkNum] === "undefined") {
                    lazyArray.chunks[chunkNum] = doXHR(start, end);
                }
                if (typeof lazyArray.chunks[chunkNum] === "undefined") throw new Error("doXHR failed!");
                return lazyArray.chunks[chunkNum];
            });
            if (usesGzip || !datalength) {
                chunkSize = datalength = 1;
                datalength = this.getter(0).length;
                chunkSize = datalength;
                out("LazyFiles on gzip forces download of the whole file when length is accessed");
            }
            this._length = datalength;
            this._chunkSize = chunkSize;
            this.lengthKnown = true;
        };
        if (typeof XMLHttpRequest !== "undefined") {
            if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
            var lazyArray = new LazyUint8Array();
            Object.defineProperties(lazyArray, {
                length: {
                    get: function () {
                        if (!this.lengthKnown) {
                            this.cacheLength();
                        }
                        return this._length;
                    },
                },
                chunkSize: {
                    get: function () {
                        if (!this.lengthKnown) {
                            this.cacheLength();
                        }
                        return this._chunkSize;
                    },
                },
            });
            var properties = { isDevice: false, contents: lazyArray };
        } else {
            var properties = { isDevice: false, url: url };
        }
        var node = FS.createFile(parent, name, properties, canRead, canWrite);
        if (properties.contents) {
            node.contents = properties.contents;
        } else if (properties.url) {
            node.contents = null;
            node.url = properties.url;
        }
        Object.defineProperties(node, {
            usedBytes: {
                get: function () {
                    return this.contents.length;
                },
            },
        });
        var stream_ops = {};
        var keys = Object.keys(node.stream_ops);
        keys.forEach(function (key) {
            var fn = node.stream_ops[key];
            stream_ops[key] = function forceLoadLazyFile() {
                if (!FS.forceLoadFile(node)) {
                    throw new FS.ErrnoError(29);
                }
                return fn.apply(null, arguments);
            };
        });
        stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
            if (!FS.forceLoadFile(node)) {
                throw new FS.ErrnoError(29);
            }
            var contents = stream.node.contents;
            if (position >= contents.length) return 0;
            var size = Math.min(contents.length - position, length);
            if (contents.slice) {
                for (var i = 0; i < size; i++) {
                    buffer[offset + i] = contents[position + i];
                }
            } else {
                for (var i = 0; i < size; i++) {
                    buffer[offset + i] = contents.get(position + i);
                }
            }
            return size;
        };
        node.stream_ops = stream_ops;
        return node;
    },
    createPreloadedFile: function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
        Browser.init();
        var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
        var dep = getUniqueRunDependency("cp " + fullname);
        function processData(byteArray) {
            function finish(byteArray) {
                if (preFinish) preFinish();
                if (!dontCreateFile) {
                    FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
                }
                if (onload) onload();
                removeRunDependency(dep);
            }
            var handled = false;
            Module["preloadPlugins"].forEach(function (plugin) {
                if (handled) return;
                if (plugin["canHandle"](fullname)) {
                    plugin["handle"](byteArray, fullname, finish, function () {
                        if (onerror) onerror();
                        removeRunDependency(dep);
                    });
                    handled = true;
                }
            });
            if (!handled) finish(byteArray);
        }
        addRunDependency(dep);
        if (typeof url == "string") {
            Browser.asyncLoad(
                url,
                function (byteArray) {
                    processData(byteArray);
                },
                onerror
            );
        } else {
            processData(url);
        }
    },
    indexedDB: function () {
        return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
    },
    DB_NAME: function () {
        return "EM_FS_" + window.location.pathname;
    },
    DB_VERSION: 20,
    DB_STORE_NAME: "FILE_DATA",
    saveFilesToDB: function (paths, onload, onerror) {
        onload = onload || function () {};
        onerror = onerror || function () {};
        var indexedDB = FS.indexedDB();
        try {
            var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
        } catch (e) {
            return onerror(e);
        }
        openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
            out("creating db");
            var db = openRequest.result;
            db.createObjectStore(FS.DB_STORE_NAME);
        };
        openRequest.onsuccess = function openRequest_onsuccess() {
            var db = openRequest.result;
            var transaction = db.transaction([FS.DB_STORE_NAME], "readwrite");
            var files = transaction.objectStore(FS.DB_STORE_NAME);
            var ok = 0,
                fail = 0,
                total = paths.length;
            function finish() {
                if (fail == 0) onload();
                else onerror();
            }
            paths.forEach(function (path) {
                var putRequest = files.put(FS.analyzePath(path).object.contents, path);
                putRequest.onsuccess = function putRequest_onsuccess() {
                    ok++;
                    if (ok + fail == total) finish();
                };
                putRequest.onerror = function putRequest_onerror() {
                    fail++;
                    if (ok + fail == total) finish();
                };
            });
            transaction.onerror = onerror;
        };
        openRequest.onerror = onerror;
    },
    loadFilesFromDB: function (paths, onload, onerror) {
        onload = onload || function () {};
        onerror = onerror || function () {};
        var indexedDB = FS.indexedDB();
        try {
            var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
        } catch (e) {
            return onerror(e);
        }
        openRequest.onupgradeneeded = onerror;
        openRequest.onsuccess = function openRequest_onsuccess() {
            var db = openRequest.result;
            try {
                var transaction = db.transaction([FS.DB_STORE_NAME], "readonly");
            } catch (e) {
                onerror(e);
                return;
            }
            var files = transaction.objectStore(FS.DB_STORE_NAME);
            var ok = 0,
                fail = 0,
                total = paths.length;
            function finish() {
                if (fail == 0) onload();
                else onerror();
            }
            paths.forEach(function (path) {
                var getRequest = files.get(path);
                getRequest.onsuccess = function getRequest_onsuccess() {
                    if (FS.analyzePath(path).exists) {
                        FS.unlink(path);
                    }
                    FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
                    ok++;
                    if (ok + fail == total) finish();
                };
                getRequest.onerror = function getRequest_onerror() {
                    fail++;
                    if (ok + fail == total) finish();
                };
            });
            transaction.onerror = onerror;
        };
        openRequest.onerror = onerror;
    },
    mmapAlloc: function (size) {
        var alignedSize = alignMemory(size, 16384);
        var ptr = _malloc(alignedSize);
        while (size < alignedSize) HEAP8[ptr + size++] = 0;
        return ptr;
    },
};
var SYSCALLS = {
    mappings: {},
    DEFAULT_POLLMASK: 5,
    umask: 511,
    calculateAt: function (dirfd, path) {
        if (path[0] !== "/") {
            var dir;
            if (dirfd === -100) {
                dir = FS.cwd();
            } else {
                var dirstream = FS.getStream(dirfd);
                if (!dirstream) throw new FS.ErrnoError(8);
                dir = dirstream.path;
            }
            path = PATH.join2(dir, path);
        }
        return path;
    },
    doStat: function (func, path, buf) {
        try {
            var stat = func(path);
        } catch (e) {
            if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
                return -54;
            }
            throw e;
        }
        HEAP32[buf >> 2] = stat.dev;
        HEAP32[(buf + 4) >> 2] = 0;
        HEAP32[(buf + 8) >> 2] = stat.ino;
        HEAP32[(buf + 12) >> 2] = stat.mode;
        HEAP32[(buf + 16) >> 2] = stat.nlink;
        HEAP32[(buf + 20) >> 2] = stat.uid;
        HEAP32[(buf + 24) >> 2] = stat.gid;
        HEAP32[(buf + 28) >> 2] = stat.rdev;
        HEAP32[(buf + 32) >> 2] = 0;
        (tempI64 = [
            stat.size >>> 0,
            ((tempDouble = stat.size), +Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0) : 0),
        ]),
            (HEAP32[(buf + 40) >> 2] = tempI64[0]),
            (HEAP32[(buf + 44) >> 2] = tempI64[1]);
        HEAP32[(buf + 48) >> 2] = 4096;
        HEAP32[(buf + 52) >> 2] = stat.blocks;
        HEAP32[(buf + 56) >> 2] = (stat.atime.getTime() / 1e3) | 0;
        HEAP32[(buf + 60) >> 2] = 0;
        HEAP32[(buf + 64) >> 2] = (stat.mtime.getTime() / 1e3) | 0;
        HEAP32[(buf + 68) >> 2] = 0;
        HEAP32[(buf + 72) >> 2] = (stat.ctime.getTime() / 1e3) | 0;
        HEAP32[(buf + 76) >> 2] = 0;
        (tempI64 = [
            stat.ino >>> 0,
            ((tempDouble = stat.ino), +Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0) : 0),
        ]),
            (HEAP32[(buf + 80) >> 2] = tempI64[0]),
            (HEAP32[(buf + 84) >> 2] = tempI64[1]);
        return 0;
    },
    doMsync: function (addr, stream, len, flags, offset) {
        var buffer = HEAPU8.slice(addr, addr + len);
        FS.msync(stream, buffer, offset, len, flags);
    },
    doMkdir: function (path, mode) {
        path = PATH.normalize(path);
        if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
        FS.mkdir(path, mode, 0);
        return 0;
    },
    doMknod: function (path, mode, dev) {
        switch (mode & 61440) {
            case 32768:
            case 8192:
            case 24576:
            case 4096:
            case 49152:
                break;
            default:
                return -28;
        }
        FS.mknod(path, mode, dev);
        return 0;
    },
    doReadlink: function (path, buf, bufsize) {
        if (bufsize <= 0) return -28;
        var ret = FS.readlink(path);
        var len = Math.min(bufsize, lengthBytesUTF8(ret));
        var endChar = HEAP8[buf + len];
        stringToUTF8(ret, buf, bufsize + 1);
        HEAP8[buf + len] = endChar;
        return len;
    },
    doAccess: function (path, amode) {
        if (amode & ~7) {
            return -28;
        }
        var node;
        var lookup = FS.lookupPath(path, { follow: true });
        node = lookup.node;
        if (!node) {
            return -44;
        }
        var perms = "";
        if (amode & 4) perms += "r";
        if (amode & 2) perms += "w";
        if (amode & 1) perms += "x";
        if (perms && FS.nodePermissions(node, perms)) {
            return -2;
        }
        return 0;
    },
    doDup: function (path, flags, suggestFD) {
        var suggest = FS.getStream(suggestFD);
        if (suggest) FS.close(suggest);
        return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
    },
    doReadv: function (stream, iov, iovcnt, offset) {
        var ret = 0;
        for (var i = 0; i < iovcnt; i++) {
            var ptr = HEAP32[(iov + i * 8) >> 2];
            var len = HEAP32[(iov + (i * 8 + 4)) >> 2];
            var curr = FS.read(stream, HEAP8, ptr, len, offset);
            if (curr < 0) return -1;
            ret += curr;
            if (curr < len) break;
        }
        return ret;
    },
    doWritev: function (stream, iov, iovcnt, offset) {
        var ret = 0;
        for (var i = 0; i < iovcnt; i++) {
            var ptr = HEAP32[(iov + i * 8) >> 2];
            var len = HEAP32[(iov + (i * 8 + 4)) >> 2];
            var curr = FS.write(stream, HEAP8, ptr, len, offset);
            if (curr < 0) return -1;
            ret += curr;
        }
        return ret;
    },
    varargs: undefined,
    get: function () {
        SYSCALLS.varargs += 4;
        var ret = HEAP32[(SYSCALLS.varargs - 4) >> 2];
        return ret;
    },
    getStr: function (ptr) {
        var ret = UTF8ToString(ptr);
        return ret;
    },
    getStreamFromFD: function (fd) {
        var stream = FS.getStream(fd);
        if (!stream) throw new FS.ErrnoError(8);
        return stream;
    },
    get64: function (low, high) {
        return low;
    },
};
function ___sys_chmod(path, mode) {
    try {
        path = SYSCALLS.getStr(path);
        FS.chmod(path, mode);
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_dup2(oldfd, suggestFD) {
    try {
        var old = SYSCALLS.getStreamFromFD(oldfd);
        if (old.fd === suggestFD) return suggestFD;
        return SYSCALLS.doDup(old.path, old.flags, suggestFD);
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_dup3(fd, suggestFD, flags) {
    try {
        var old = SYSCALLS.getStreamFromFD(fd);
        if (old.fd === suggestFD) return -28;
        return SYSCALLS.doDup(old.path, old.flags, suggestFD);
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_fcntl64(fd, cmd, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        switch (cmd) {
            case 0: {
                var arg = SYSCALLS.get();
                if (arg < 0) {
                    return -28;
                }
                var newStream;
                newStream = FS.open(stream.path, stream.flags, 0, arg);
                return newStream.fd;
            }
            case 1:
            case 2:
                return 0;
            case 3:
                return stream.flags;
            case 4: {
                var arg = SYSCALLS.get();
                stream.flags |= arg;
                return 0;
            }
            case 12: {
                var arg = SYSCALLS.get();
                var offset = 0;
                HEAP16[(arg + offset) >> 1] = 2;
                return 0;
            }
            case 13:
            case 14:
                return 0;
            case 16:
            case 8:
                return -28;
            case 9:
                setErrNo(28);
                return -1;
            default: {
                return -28;
            }
        }
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_fstat64(fd, buf) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        return SYSCALLS.doStat(FS.stat, stream.path, buf);
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_getdents64(fd, dirp, count) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        if (!stream.getdents) {
            stream.getdents = FS.readdir(stream.path);
        }
        var struct_size = 280;
        var pos = 0;
        var off = FS.llseek(stream, 0, 1);
        var idx = Math.floor(off / struct_size);
        while (idx < stream.getdents.length && pos + struct_size <= count) {
            var id;
            var type;
            var name = stream.getdents[idx];
            if (name[0] === ".") {
                id = 1;
                type = 4;
            } else {
                var child = FS.lookupNode(stream.node, name);
                id = child.id;
                type = FS.isChrdev(child.mode) ? 2 : FS.isDir(child.mode) ? 4 : FS.isLink(child.mode) ? 10 : 8;
            }
            (tempI64 = [
                id >>> 0,
                ((tempDouble = id), +Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0) : 0),
            ]),
                (HEAP32[(dirp + pos) >> 2] = tempI64[0]),
                (HEAP32[(dirp + pos + 4) >> 2] = tempI64[1]);
            (tempI64 = [
                ((idx + 1) * struct_size) >>> 0,
                ((tempDouble = (idx + 1) * struct_size),
                +Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0) : 0),
            ]),
                (HEAP32[(dirp + pos + 8) >> 2] = tempI64[0]),
                (HEAP32[(dirp + pos + 12) >> 2] = tempI64[1]);
            HEAP16[(dirp + pos + 16) >> 1] = 280;
            HEAP8[(dirp + pos + 18) >> 0] = type;
            stringToUTF8(name, dirp + pos + 19, 256);
            pos += struct_size;
            idx += 1;
        }
        FS.llseek(stream, idx * struct_size, 0);
        return pos;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_ioctl(fd, op, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        switch (op) {
            case 21509:
            case 21505: {
                if (!stream.tty) return -59;
                return 0;
            }
            case 21510:
            case 21511:
            case 21512:
            case 21506:
            case 21507:
            case 21508: {
                if (!stream.tty) return -59;
                return 0;
            }
            case 21519: {
                if (!stream.tty) return -59;
                var argp = SYSCALLS.get();
                HEAP32[argp >> 2] = 0;
                return 0;
            }
            case 21520: {
                if (!stream.tty) return -59;
                return -28;
            }
            case 21531: {
                var argp = SYSCALLS.get();
                return FS.ioctl(stream, op, argp);
            }
            case 21523: {
                if (!stream.tty) return -59;
                return 0;
            }
            case 21524: {
                if (!stream.tty) return -59;
                return 0;
            }
            default:
                abort("bad ioctl syscall " + op);
        }
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_mkdir(path, mode) {
    try {
        path = SYSCALLS.getStr(path);
        return SYSCALLS.doMkdir(path, mode);
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_open(path, flags, varargs) {
    SYSCALLS.varargs = varargs;
    try {
        var pathname = SYSCALLS.getStr(path);
        var mode = SYSCALLS.get();
        var stream = FS.open(pathname, flags, mode);
        return stream.fd;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_readlink(path, buf, bufsize) {
    try {
        path = SYSCALLS.getStr(path);
        return SYSCALLS.doReadlink(path, buf, bufsize);
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_rmdir(path) {
    try {
        path = SYSCALLS.getStr(path);
        FS.rmdir(path);
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_stat64(path, buf) {
    try {
        path = SYSCALLS.getStr(path);
        return SYSCALLS.doStat(FS.stat, path, buf);
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function ___sys_unlink(path) {
    try {
        path = SYSCALLS.getStr(path);
        FS.unlink(path);
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return -e.errno;
    }
}
function _abort() {
    abort();
}
function _clock() {
    if (_clock.start === undefined) _clock.start = Date.now();
    return ((Date.now() - _clock.start) * (1e6 / 1e3)) | 0;
}
var _emscripten_get_now;
if (ENVIRONMENT_IS_NODE) {
    _emscripten_get_now = function () {
        var t = process["hrtime"]();
        return t[0] * 1e3 + t[1] / 1e6;
    };
} else if (typeof dateNow !== "undefined") {
    _emscripten_get_now = dateNow;
} else
    _emscripten_get_now = function () {
        return performance.now();
    };
var _emscripten_get_now_is_monotonic = true;
function _clock_gettime(clk_id, tp) {
    var now;
    if (clk_id === 0) {
        now = Date.now();
    } else if ((clk_id === 1 || clk_id === 4) && _emscripten_get_now_is_monotonic) {
        now = _emscripten_get_now();
    } else {
        setErrNo(28);
        return -1;
    }
    HEAP32[tp >> 2] = (now / 1e3) | 0;
    HEAP32[(tp + 4) >> 2] = ((now % 1e3) * 1e3 * 1e3) | 0;
    return 0;
}
function _difftime(time1, time0) {
    return time1 - time0;
}
function _dlclose(handle) {
    abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking");
}
function _emscripten_set_main_loop_timing(mode, value) {
    Browser.mainLoop.timingMode = mode;
    Browser.mainLoop.timingValue = value;
    if (!Browser.mainLoop.func) {
        return 1;
    }
    if (mode == 0) {
        Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
            var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
            setTimeout(Browser.mainLoop.runner, timeUntilNextTick);
        };
        Browser.mainLoop.method = "timeout";
    } else if (mode == 1) {
        Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
            Browser.requestAnimationFrame(Browser.mainLoop.runner);
        };
        Browser.mainLoop.method = "rAF";
    } else if (mode == 2) {
        if (typeof setImmediate === "undefined") {
            var setImmediates = [];
            var emscriptenMainLoopMessageId = "setimmediate";
            var Browser_setImmediate_messageHandler = function (event) {
                if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
                    event.stopPropagation();
                    setImmediates.shift()();
                }
            };
            addEventListener("message", Browser_setImmediate_messageHandler, true);
            setImmediate = function Browser_emulated_setImmediate(func) {
                setImmediates.push(func);
                if (ENVIRONMENT_IS_WORKER) {
                    if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
                    Module["setImmediates"].push(func);
                    postMessage({ target: emscriptenMainLoopMessageId });
                } else postMessage(emscriptenMainLoopMessageId, "*");
            };
        }
        Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
            setImmediate(Browser.mainLoop.runner);
        };
        Browser.mainLoop.method = "immediate";
    }
    return 0;
}
function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
    noExitRuntime = true;
    assert(!Browser.mainLoop.func, "emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");
    Browser.mainLoop.func = browserIterationFunc;
    Browser.mainLoop.arg = arg;
    var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
    Browser.mainLoop.runner = function Browser_mainLoop_runner() {
        if (ABORT) return;
        if (Browser.mainLoop.queue.length > 0) {
            var start = Date.now();
            var blocker = Browser.mainLoop.queue.shift();
            blocker.func(blocker.arg);
            if (Browser.mainLoop.remainingBlockers) {
                var remaining = Browser.mainLoop.remainingBlockers;
                var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
                if (blocker.counted) {
                    Browser.mainLoop.remainingBlockers = next;
                } else {
                    next = next + 0.5;
                    Browser.mainLoop.remainingBlockers = (8 * remaining + next) / 9;
                }
            }
            console.log('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
            Browser.mainLoop.updateStatus();
            if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
            setTimeout(Browser.mainLoop.runner, 0);
            return;
        }
        if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
        Browser.mainLoop.currentFrameNumber = (Browser.mainLoop.currentFrameNumber + 1) | 0;
        if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
            Browser.mainLoop.scheduler();
            return;
        } else if (Browser.mainLoop.timingMode == 0) {
            Browser.mainLoop.tickStartTime = _emscripten_get_now();
        }
        Browser.mainLoop.runIter(browserIterationFunc);
        if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
        if (typeof SDL === "object" && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
        Browser.mainLoop.scheduler();
    };
    if (!noSetTiming) {
        if (fps && fps > 0) _emscripten_set_main_loop_timing(0, 1e3 / fps);
        else _emscripten_set_main_loop_timing(1, 1);
        Browser.mainLoop.scheduler();
    }
    if (simulateInfiniteLoop) {
        throw "unwind";
    }
}
var Browser = {
    mainLoop: {
        scheduler: null,
        method: "",
        currentlyRunningMainloop: 0,
        func: null,
        arg: 0,
        timingMode: 0,
        timingValue: 0,
        currentFrameNumber: 0,
        queue: [],
        pause: function () {
            Browser.mainLoop.scheduler = null;
            Browser.mainLoop.currentlyRunningMainloop++;
        },
        resume: function () {
            Browser.mainLoop.currentlyRunningMainloop++;
            var timingMode = Browser.mainLoop.timingMode;
            var timingValue = Browser.mainLoop.timingValue;
            var func = Browser.mainLoop.func;
            Browser.mainLoop.func = null;
            setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
            _emscripten_set_main_loop_timing(timingMode, timingValue);
            Browser.mainLoop.scheduler();
        },
        updateStatus: function () {
            if (Module["setStatus"]) {
                var message = Module["statusMessage"] || "Please wait...";
                var remaining = Browser.mainLoop.remainingBlockers;
                var expected = Browser.mainLoop.expectedBlockers;
                if (remaining) {
                    if (remaining < expected) {
                        Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")");
                    } else {
                        Module["setStatus"](message);
                    }
                } else {
                    Module["setStatus"]("");
                }
            }
        },
        runIter: function (func) {
            if (ABORT) return;
            if (Module["preMainLoop"]) {
                var preRet = Module["preMainLoop"]();
                if (preRet === false) {
                    return;
                }
            }
            try {
                func();
            } catch (e) {
                if (e instanceof ExitStatus) {
                    return;
                } else if (e == "unwind") {
                    return;
                } else {
                    if (e && typeof e === "object" && e.stack) err("exception thrown: " + [e, e.stack]);
                    throw e;
                }
            }
            if (Module["postMainLoop"]) Module["postMainLoop"]();
        },
    },
    isFullscreen: false,
    pointerLock: false,
    moduleContextCreatedCallbacks: [],
    workers: [],
    init: function () {
        if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
        if (Browser.initted) return;
        Browser.initted = true;
        try {
            new Blob();
            Browser.hasBlobConstructor = true;
        } catch (e) {
            Browser.hasBlobConstructor = false;
            console.log("warning: no blob constructor, cannot create blobs with mimetypes");
        }
        Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : !Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null;
        Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined;
        if (!Module.noImageDecoding && typeof Browser.URLObject === "undefined") {
            console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
            Module.noImageDecoding = true;
        }
        var imagePlugin = {};
        imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
            return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
        };
        imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
            var b = null;
            if (Browser.hasBlobConstructor) {
                try {
                    b = new Blob([byteArray], { type: Browser.getMimetype(name) });
                    if (b.size !== byteArray.length) {
                        b = new Blob([new Uint8Array(byteArray).buffer], { type: Browser.getMimetype(name) });
                    }
                } catch (e) {
                    warnOnce("Blob constructor present but fails: " + e + "; falling back to blob builder");
                }
            }
            if (!b) {
                var bb = new Browser.BlobBuilder();
                bb.append(new Uint8Array(byteArray).buffer);
                b = bb.getBlob();
            }
            var url = Browser.URLObject.createObjectURL(b);
            var img = new Image();
            img.onload = function img_onload() {
                assert(img.complete, "Image " + name + " could not be decoded");
                var canvas = document.createElement("canvas");
                canvas.width = img.width;
                canvas.height = img.height;
                var ctx = canvas.getContext("2d");
                ctx.drawImage(img, 0, 0);
                Module["preloadedImages"][name] = canvas;
                Browser.URLObject.revokeObjectURL(url);
                if (onload) onload(byteArray);
            };
            img.onerror = function img_onerror(event) {
                console.log("Image " + url + " could not be decoded");
                if (onerror) onerror();
            };
            img.src = url;
        };
        Module["preloadPlugins"].push(imagePlugin);
        var audioPlugin = {};
        audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
            return !Module.noAudioDecoding && name.substr(-4) in { ".ogg": 1, ".wav": 1, ".mp3": 1 };
        };
        audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
            var done = false;
            function finish(audio) {
                if (done) return;
                done = true;
                Module["preloadedAudios"][name] = audio;
                if (onload) onload(byteArray);
            }
            function fail() {
                if (done) return;
                done = true;
                Module["preloadedAudios"][name] = new Audio();
                if (onerror) onerror();
            }
            if (Browser.hasBlobConstructor) {
                try {
                    var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
                } catch (e) {
                    return fail();
                }
                var url = Browser.URLObject.createObjectURL(b);
                var audio = new Audio();
                audio.addEventListener(
                    "canplaythrough",
                    function () {
                        finish(audio);
                    },
                    false
                );
                audio.onerror = function audio_onerror(event) {
                    if (done) return;
                    console.log("warning: browser could not fully decode audio " + name + ", trying slower base64 approach");
                    function encode64(data) {
                        var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
                        var PAD = "=";
                        var ret = "";
                        var leftchar = 0;
                        var leftbits = 0;
                        for (var i = 0; i < data.length; i++) {
                            leftchar = (leftchar << 8) | data[i];
                            leftbits += 8;
                            while (leftbits >= 6) {
                                var curr = (leftchar >> (leftbits - 6)) & 63;
                                leftbits -= 6;
                                ret += BASE[curr];
                            }
                        }
                        if (leftbits == 2) {
                            ret += BASE[(leftchar & 3) << 4];
                            ret += PAD + PAD;
                        } else if (leftbits == 4) {
                            ret += BASE[(leftchar & 15) << 2];
                            ret += PAD;
                        }
                        return ret;
                    }
                    audio.src = "data:audio/x-" + name.substr(-3) + ";base64," + encode64(byteArray);
                    finish(audio);
                };
                audio.src = url;
                Browser.safeSetTimeout(function () {
                    finish(audio);
                }, 1e4);
            } else {
                return fail();
            }
        };
        Module["preloadPlugins"].push(audioPlugin);
        function pointerLockChange() {
            Browser.pointerLock =
                document["pointerLockElement"] === Module["canvas"] ||
                document["mozPointerLockElement"] === Module["canvas"] ||
                document["webkitPointerLockElement"] === Module["canvas"] ||
                document["msPointerLockElement"] === Module["canvas"];
        }
        var canvas = Module["canvas"];
        if (canvas) {
            canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || function () {};
            canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || function () {};
            canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
            document.addEventListener("pointerlockchange", pointerLockChange, false);
            document.addEventListener("mozpointerlockchange", pointerLockChange, false);
            document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
            document.addEventListener("mspointerlockchange", pointerLockChange, false);
            if (Module["elementPointerLock"]) {
                canvas.addEventListener(
                    "click",
                    function (ev) {
                        if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
                            Module["canvas"].requestPointerLock();
                            ev.preventDefault();
                        }
                    },
                    false
                );
            }
        }
    },
    createContext: function (canvas, useWebGL, setInModule, webGLContextAttributes) {
        if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
        var ctx;
        var contextHandle;
        if (useWebGL) {
            var contextAttributes = { antialias: false, alpha: false, majorVersion: 1 };
            if (webGLContextAttributes) {
                for (var attribute in webGLContextAttributes) {
                    contextAttributes[attribute] = webGLContextAttributes[attribute];
                }
            }
            if (typeof GL !== "undefined") {
                contextHandle = GL.createContext(canvas, contextAttributes);
                if (contextHandle) {
                    ctx = GL.getContext(contextHandle).GLctx;
                }
            }
        } else {
            ctx = canvas.getContext("2d");
        }
        if (!ctx) return null;
        if (setInModule) {
            if (!useWebGL) assert(typeof GLctx === "undefined", "cannot set in module if GLctx is used, but we are a non-GL context that would replace it");
            Module.ctx = ctx;
            if (useWebGL) GL.makeContextCurrent(contextHandle);
            Module.useWebGL = useWebGL;
            Browser.moduleContextCreatedCallbacks.forEach(function (callback) {
                callback();
            });
            Browser.init();
        }
        return ctx;
    },
    destroyContext: function (canvas, useWebGL, setInModule) {},
    fullscreenHandlersInstalled: false,
    lockPointer: undefined,
    resizeCanvas: undefined,
    requestFullscreen: function (lockPointer, resizeCanvas) {
        Browser.lockPointer = lockPointer;
        Browser.resizeCanvas = resizeCanvas;
        if (typeof Browser.lockPointer === "undefined") Browser.lockPointer = true;
        if (typeof Browser.resizeCanvas === "undefined") Browser.resizeCanvas = false;
        var canvas = Module["canvas"];
        function fullscreenChange() {
            Browser.isFullscreen = false;
            var canvasContainer = canvas.parentNode;
            if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
                canvas.exitFullscreen = Browser.exitFullscreen;
                if (Browser.lockPointer) canvas.requestPointerLock();
                Browser.isFullscreen = true;
                if (Browser.resizeCanvas) {
                    Browser.setFullscreenCanvasSize();
                } else {
                    Browser.updateCanvasDimensions(canvas);
                }
            } else {
                canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
                canvasContainer.parentNode.removeChild(canvasContainer);
                if (Browser.resizeCanvas) {
                    Browser.setWindowedCanvasSize();
                } else {
                    Browser.updateCanvasDimensions(canvas);
                }
            }
            if (Module["onFullScreen"]) Module["onFullScreen"](Browser.isFullscreen);
            if (Module["onFullscreen"]) Module["onFullscreen"](Browser.isFullscreen);
        }
        if (!Browser.fullscreenHandlersInstalled) {
            Browser.fullscreenHandlersInstalled = true;
            document.addEventListener("fullscreenchange", fullscreenChange, false);
            document.addEventListener("mozfullscreenchange", fullscreenChange, false);
            document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
            document.addEventListener("MSFullscreenChange", fullscreenChange, false);
        }
        var canvasContainer = document.createElement("div");
        canvas.parentNode.insertBefore(canvasContainer, canvas);
        canvasContainer.appendChild(canvas);
        canvasContainer.requestFullscreen =
            canvasContainer["requestFullscreen"] ||
            canvasContainer["mozRequestFullScreen"] ||
            canvasContainer["msRequestFullscreen"] ||
            (canvasContainer["webkitRequestFullscreen"]
                ? function () {
                      canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]);
                  }
                : null) ||
            (canvasContainer["webkitRequestFullScreen"]
                ? function () {
                      canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]);
                  }
                : null);
        canvasContainer.requestFullscreen();
    },
    exitFullscreen: function () {
        if (!Browser.isFullscreen) {
            return false;
        }
        var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || function () {};
        CFS.apply(document, []);
        return true;
    },
    nextRAF: 0,
    fakeRequestAnimationFrame: function (func) {
        var now = Date.now();
        if (Browser.nextRAF === 0) {
            Browser.nextRAF = now + 1e3 / 60;
        } else {
            while (now + 2 >= Browser.nextRAF) {
                Browser.nextRAF += 1e3 / 60;
            }
        }
        var delay = Math.max(Browser.nextRAF - now, 0);
        setTimeout(func, delay);
    },
    requestAnimationFrame: function (func) {
        if (typeof requestAnimationFrame === "function") {
            requestAnimationFrame(func);
            return;
        }
        var RAF = Browser.fakeRequestAnimationFrame;
        RAF(func);
    },
    safeCallback: function (func) {
        return function () {
            if (!ABORT) return func.apply(null, arguments);
        };
    },
    allowAsyncCallbacks: true,
    queuedAsyncCallbacks: [],
    pauseAsyncCallbacks: function () {
        Browser.allowAsyncCallbacks = false;
    },
    resumeAsyncCallbacks: function () {
        Browser.allowAsyncCallbacks = true;
        if (Browser.queuedAsyncCallbacks.length > 0) {
            var callbacks = Browser.queuedAsyncCallbacks;
            Browser.queuedAsyncCallbacks = [];
            callbacks.forEach(function (func) {
                func();
            });
        }
    },
    safeRequestAnimationFrame: function (func) {
        return Browser.requestAnimationFrame(function () {
            if (ABORT) return;
            if (Browser.allowAsyncCallbacks) {
                func();
            } else {
                Browser.queuedAsyncCallbacks.push(func);
            }
        });
    },
    safeSetTimeout: function (func, timeout) {
        noExitRuntime = true;
        return setTimeout(function () {
            if (ABORT) return;
            if (Browser.allowAsyncCallbacks) {
                func();
            } else {
                Browser.queuedAsyncCallbacks.push(func);
            }
        }, timeout);
    },
    safeSetInterval: function (func, timeout) {
        noExitRuntime = true;
        return setInterval(function () {
            if (ABORT) return;
            if (Browser.allowAsyncCallbacks) {
                func();
            }
        }, timeout);
    },
    getMimetype: function (name) {
        return { jpg: "image/jpeg", jpeg: "image/jpeg", png: "image/png", bmp: "image/bmp", ogg: "audio/ogg", wav: "audio/wav", mp3: "audio/mpeg" }[name.substr(name.lastIndexOf(".") + 1)];
    },
    getUserMedia: function (func) {
        if (!window.getUserMedia) {
            window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
        }
        window.getUserMedia(func);
    },
    getMovementX: function (event) {
        return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
    },
    getMovementY: function (event) {
        return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
    },
    getMouseWheelDelta: function (event) {
        var delta = 0;
        switch (event.type) {
            case "DOMMouseScroll":
                delta = event.detail / 3;
                break;
            case "mousewheel":
                delta = event.wheelDelta / 120;
                break;
            case "wheel":
                delta = event.deltaY;
                switch (event.deltaMode) {
                    case 0:
                        delta /= 100;
                        break;
                    case 1:
                        delta /= 3;
                        break;
                    case 2:
                        delta *= 80;
                        break;
                    default:
                        throw "unrecognized mouse wheel delta mode: " + event.deltaMode;
                }
                break;
            default:
                throw "unrecognized mouse wheel event: " + event.type;
        }
        return delta;
    },
    mouseX: 0,
    mouseY: 0,
    mouseMovementX: 0,
    mouseMovementY: 0,
    touches: {},
    lastTouches: {},
    calculateMouseEvent: function (event) {
        if (Browser.pointerLock) {
            if (event.type != "mousemove" && "mozMovementX" in event) {
                Browser.mouseMovementX = Browser.mouseMovementY = 0;
            } else {
                Browser.mouseMovementX = Browser.getMovementX(event);
                Browser.mouseMovementY = Browser.getMovementY(event);
            }
            if (typeof SDL != "undefined") {
                Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
                Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
            } else {
                Browser.mouseX += Browser.mouseMovementX;
                Browser.mouseY += Browser.mouseMovementY;
            }
        } else {
            var rect = Module["canvas"].getBoundingClientRect();
            var cw = Module["canvas"].width;
            var ch = Module["canvas"].height;
            var scrollX = typeof window.scrollX !== "undefined" ? window.scrollX : window.pageXOffset;
            var scrollY = typeof window.scrollY !== "undefined" ? window.scrollY : window.pageYOffset;
            if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
                var touch = event.touch;
                if (touch === undefined) {
                    return;
                }
                var adjustedX = touch.pageX - (scrollX + rect.left);
                var adjustedY = touch.pageY - (scrollY + rect.top);
                adjustedX = adjustedX * (cw / rect.width);
                adjustedY = adjustedY * (ch / rect.height);
                var coords = { x: adjustedX, y: adjustedY };
                if (event.type === "touchstart") {
                    Browser.lastTouches[touch.identifier] = coords;
                    Browser.touches[touch.identifier] = coords;
                } else if (event.type === "touchend" || event.type === "touchmove") {
                    var last = Browser.touches[touch.identifier];
                    if (!last) last = coords;
                    Browser.lastTouches[touch.identifier] = last;
                    Browser.touches[touch.identifier] = coords;
                }
                return;
            }
            var x = event.pageX - (scrollX + rect.left);
            var y = event.pageY - (scrollY + rect.top);
            x = x * (cw / rect.width);
            y = y * (ch / rect.height);
            Browser.mouseMovementX = x - Browser.mouseX;
            Browser.mouseMovementY = y - Browser.mouseY;
            Browser.mouseX = x;
            Browser.mouseY = y;
        }
    },
    asyncLoad: function (url, onload, onerror, noRunDep) {
        var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
        readAsync(
            url,
            function (arrayBuffer) {
                assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
                onload(new Uint8Array(arrayBuffer));
                if (dep) removeRunDependency(dep);
            },
            function (event) {
                if (onerror) {
                    onerror();
                } else {
                    throw 'Loading data file "' + url + '" failed.';
                }
            }
        );
        if (dep) addRunDependency(dep);
    },
    resizeListeners: [],
    updateResizeListeners: function () {
        var canvas = Module["canvas"];
        Browser.resizeListeners.forEach(function (listener) {
            listener(canvas.width, canvas.height);
        });
    },
    setCanvasSize: function (width, height, noUpdates) {
        var canvas = Module["canvas"];
        Browser.updateCanvasDimensions(canvas, width, height);
        if (!noUpdates) Browser.updateResizeListeners();
    },
    windowedWidth: 0,
    windowedHeight: 0,
    setFullscreenCanvasSize: function () {
        if (typeof SDL != "undefined") {
            var flags = HEAPU32[SDL.screen >> 2];
            flags = flags | 8388608;
            HEAP32[SDL.screen >> 2] = flags;
        }
        Browser.updateCanvasDimensions(Module["canvas"]);
        Browser.updateResizeListeners();
    },
    setWindowedCanvasSize: function () {
        if (typeof SDL != "undefined") {
            var flags = HEAPU32[SDL.screen >> 2];
            flags = flags & ~8388608;
            HEAP32[SDL.screen >> 2] = flags;
        }
        Browser.updateCanvasDimensions(Module["canvas"]);
        Browser.updateResizeListeners();
    },
    updateCanvasDimensions: function (canvas, wNative, hNative) {
        if (wNative && hNative) {
            canvas.widthNative = wNative;
            canvas.heightNative = hNative;
        } else {
            wNative = canvas.widthNative;
            hNative = canvas.heightNative;
        }
        var w = wNative;
        var h = hNative;
        if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) {
            if (w / h < Module["forcedAspectRatio"]) {
                w = Math.round(h * Module["forcedAspectRatio"]);
            } else {
                h = Math.round(w / Module["forcedAspectRatio"]);
            }
        }
        if (
            (document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode &&
            typeof screen != "undefined"
        ) {
            var factor = Math.min(screen.width / w, screen.height / h);
            w = Math.round(w * factor);
            h = Math.round(h * factor);
        }
        if (Browser.resizeCanvas) {
            if (canvas.width != w) canvas.width = w;
            if (canvas.height != h) canvas.height = h;
            if (typeof canvas.style != "undefined") {
                canvas.style.removeProperty("width");
                canvas.style.removeProperty("height");
            }
        } else {
            if (canvas.width != wNative) canvas.width = wNative;
            if (canvas.height != hNative) canvas.height = hNative;
            if (typeof canvas.style != "undefined") {
                if (w != wNative || h != hNative) {
                    canvas.style.setProperty("width", w + "px", "important");
                    canvas.style.setProperty("height", h + "px", "important");
                } else {
                    canvas.style.removeProperty("width");
                    canvas.style.removeProperty("height");
                }
            }
        }
    },
    wgetRequests: {},
    nextWgetRequestHandle: 0,
    getNextWgetRequestHandle: function () {
        var handle = Browser.nextWgetRequestHandle;
        Browser.nextWgetRequestHandle++;
        return handle;
    },
};
var EGL = {
    errorCode: 12288,
    defaultDisplayInitialized: false,
    currentContext: 0,
    currentReadSurface: 0,
    currentDrawSurface: 0,
    contextAttributes: { alpha: false, depth: false, stencil: false, antialias: false },
    stringCache: {},
    setErrorCode: function (code) {
        EGL.errorCode = code;
    },
    chooseConfig: function (display, attribList, config, config_size, numConfigs) {
        if (display != 62e3) {
            EGL.setErrorCode(12296);
            return 0;
        }
        if (attribList) {
            for (;;) {
                var param = HEAP32[attribList >> 2];
                if (param == 12321) {
                    var alphaSize = HEAP32[(attribList + 4) >> 2];
                    EGL.contextAttributes.alpha = alphaSize > 0;
                } else if (param == 12325) {
                    var depthSize = HEAP32[(attribList + 4) >> 2];
                    EGL.contextAttributes.depth = depthSize > 0;
                } else if (param == 12326) {
                    var stencilSize = HEAP32[(attribList + 4) >> 2];
                    EGL.contextAttributes.stencil = stencilSize > 0;
                } else if (param == 12337) {
                    var samples = HEAP32[(attribList + 4) >> 2];
                    EGL.contextAttributes.antialias = samples > 0;
                } else if (param == 12338) {
                    var samples = HEAP32[(attribList + 4) >> 2];
                    EGL.contextAttributes.antialias = samples == 1;
                } else if (param == 12544) {
                    var requestedPriority = HEAP32[(attribList + 4) >> 2];
                    EGL.contextAttributes.lowLatency = requestedPriority != 12547;
                } else if (param == 12344) {
                    break;
                }
                attribList += 8;
            }
        }
        if ((!config || !config_size) && !numConfigs) {
            EGL.setErrorCode(12300);
            return 0;
        }
        if (numConfigs) {
            HEAP32[numConfigs >> 2] = 1;
        }
        if (config && config_size > 0) {
            HEAP32[config >> 2] = 62002;
        }
        EGL.setErrorCode(12288);
        return 1;
    },
};
function _eglBindAPI(api) {
    if (api == 12448) {
        EGL.setErrorCode(12288);
        return 1;
    } else {
        EGL.setErrorCode(12300);
        return 0;
    }
}
function _eglChooseConfig(display, attrib_list, configs, config_size, numConfigs) {
    return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);
}
function __webgl_enable_ANGLE_instanced_arrays(ctx) {
    var ext = ctx.getExtension("ANGLE_instanced_arrays");
    if (ext) {
        ctx["vertexAttribDivisor"] = function (index, divisor) {
            ext["vertexAttribDivisorANGLE"](index, divisor);
        };
        ctx["drawArraysInstanced"] = function (mode, first, count, primcount) {
            ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
        };
        ctx["drawElementsInstanced"] = function (mode, count, type, indices, primcount) {
            ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
        };
        return 1;
    }
}
function __webgl_enable_OES_vertex_array_object(ctx) {
    var ext = ctx.getExtension("OES_vertex_array_object");
    if (ext) {
        ctx["createVertexArray"] = function () {
            return ext["createVertexArrayOES"]();
        };
        ctx["deleteVertexArray"] = function (vao) {
            ext["deleteVertexArrayOES"](vao);
        };
        ctx["bindVertexArray"] = function (vao) {
            ext["bindVertexArrayOES"](vao);
        };
        ctx["isVertexArray"] = function (vao) {
            return ext["isVertexArrayOES"](vao);
        };
        return 1;
    }
}
function __webgl_enable_WEBGL_draw_buffers(ctx) {
    var ext = ctx.getExtension("WEBGL_draw_buffers");
    if (ext) {
        ctx["drawBuffers"] = function (n, bufs) {
            ext["drawBuffersWEBGL"](n, bufs);
        };
        return 1;
    }
}
function __webgl_enable_WEBGL_multi_draw(ctx) {
    return !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
}
var GL = {
    counter: 1,
    buffers: [],
    programs: [],
    framebuffers: [],
    renderbuffers: [],
    textures: [],
    uniforms: [],
    shaders: [],
    vaos: [],
    contexts: [],
    offscreenCanvases: {},
    timerQueriesEXT: [],
    programInfos: {},
    stringCache: {},
    unpackAlignment: 4,
    recordError: function recordError(errorCode) {
        if (!GL.lastError) {
            GL.lastError = errorCode;
        }
    },
    getNewId: function (table) {
        var ret = GL.counter++;
        for (var i = table.length; i < ret; i++) {
            table[i] = null;
        }
        return ret;
    },
    getSource: function (shader, count, string, length) {
        var source = "";
        for (var i = 0; i < count; ++i) {
            var len = length ? HEAP32[(length + i * 4) >> 2] : -1;
            source += UTF8ToString(HEAP32[(string + i * 4) >> 2], len < 0 ? undefined : len);
        }
        return source;
    },
    createContext: function (canvas, webGLContextAttributes) {
        var ctx = canvas.getContext("webgl", webGLContextAttributes);
        if (!ctx) return 0;
        var handle = GL.registerContext(ctx, webGLContextAttributes);
        return handle;
    },
    registerContext: function (ctx, webGLContextAttributes) {
        var handle = GL.getNewId(GL.contexts);
        var context = { handle: handle, attributes: webGLContextAttributes, version: webGLContextAttributes.majorVersion, GLctx: ctx };
        if (ctx.canvas) ctx.canvas.GLctxObject = context;
        GL.contexts[handle] = context;
        if (typeof webGLContextAttributes.enableExtensionsByDefault === "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
            GL.initExtensions(context);
        }
        return handle;
    },
    makeContextCurrent: function (contextHandle) {
        GL.currentContext = GL.contexts[contextHandle];
        Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
        return !(contextHandle && !GLctx);
    },
    getContext: function (contextHandle) {
        return GL.contexts[contextHandle];
    },
    deleteContext: function (contextHandle) {
        if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
        if (typeof JSEvents === "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
        if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
        GL.contexts[contextHandle] = null;
    },
    initExtensions: function (context) {
        if (!context) context = GL.currentContext;
        if (context.initExtensionsDone) return;
        context.initExtensionsDone = true;
        var GLctx = context.GLctx;
        __webgl_enable_ANGLE_instanced_arrays(GLctx);
        __webgl_enable_OES_vertex_array_object(GLctx);
        __webgl_enable_WEBGL_draw_buffers(GLctx);
        GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
        __webgl_enable_WEBGL_multi_draw(GLctx);
        var automaticallyEnabledExtensions = [
            "OES_texture_float",
            "OES_texture_half_float",
            "OES_standard_derivatives",
            "OES_vertex_array_object",
            "WEBGL_compressed_texture_s3tc",
            "WEBGL_depth_texture",
            "OES_element_index_uint",
            "EXT_texture_filter_anisotropic",
            "EXT_frag_depth",
            "WEBGL_draw_buffers",
            "ANGLE_instanced_arrays",
            "OES_texture_float_linear",
            "OES_texture_half_float_linear",
            "EXT_blend_minmax",
            "EXT_shader_texture_lod",
            "EXT_texture_norm16",
            "WEBGL_compressed_texture_pvrtc",
            "EXT_color_buffer_half_float",
            "WEBGL_color_buffer_float",
            "EXT_sRGB",
            "WEBGL_compressed_texture_etc1",
            "EXT_disjoint_timer_query",
            "WEBGL_compressed_texture_etc",
            "WEBGL_compressed_texture_astc",
            "EXT_color_buffer_float",
            "WEBGL_compressed_texture_s3tc_srgb",
            "EXT_disjoint_timer_query_webgl2",
            "WEBKIT_WEBGL_compressed_texture_pvrtc",
        ];
        var exts = GLctx.getSupportedExtensions() || [];
        exts.forEach(function (ext) {
            if (automaticallyEnabledExtensions.indexOf(ext) != -1) {
                GLctx.getExtension(ext);
            }
        });
    },
    populateUniformTable: function (program) {
        var p = GL.programs[program];
        var ptable = (GL.programInfos[program] = { uniforms: {}, maxUniformLength: 0, maxAttributeLength: -1, maxUniformBlockNameLength: -1 });
        var utable = ptable.uniforms;
        var numUniforms = GLctx.getProgramParameter(p, 35718);
        for (var i = 0; i < numUniforms; ++i) {
            var u = GLctx.getActiveUniform(p, i);
            var name = u.name;
            ptable.maxUniformLength = Math.max(ptable.maxUniformLength, name.length + 1);
            if (name.slice(-1) == "]") {
                name = name.slice(0, name.lastIndexOf("["));
            }
            var loc = GLctx.getUniformLocation(p, name);
            if (loc) {
                var id = GL.getNewId(GL.uniforms);
                utable[name] = [u.size, id];
                GL.uniforms[id] = loc;
                for (var j = 1; j < u.size; ++j) {
                    var n = name + "[" + j + "]";
                    loc = GLctx.getUniformLocation(p, n);
                    id = GL.getNewId(GL.uniforms);
                    GL.uniforms[id] = loc;
                }
            }
        }
    },
};
function _eglCreateContext(display, config, hmm, contextAttribs) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    var glesContextVersion = 1;
    for (;;) {
        var param = HEAP32[contextAttribs >> 2];
        if (param == 12440) {
            glesContextVersion = HEAP32[(contextAttribs + 4) >> 2];
        } else if (param == 12344) {
            break;
        } else {
            EGL.setErrorCode(12292);
            return 0;
        }
        contextAttribs += 8;
    }
    if (glesContextVersion != 2) {
        EGL.setErrorCode(12293);
        return 0;
    }
    EGL.contextAttributes.majorVersion = glesContextVersion - 1;
    EGL.contextAttributes.minorVersion = 0;
    EGL.context = GL.createContext(Module["canvas"], EGL.contextAttributes);
    if (EGL.context != 0) {
        EGL.setErrorCode(12288);
        GL.makeContextCurrent(EGL.context);
        Module.useWebGL = true;
        Browser.moduleContextCreatedCallbacks.forEach(function (callback) {
            callback();
        });
        GL.makeContextCurrent(null);
        return 62004;
    } else {
        EGL.setErrorCode(12297);
        return 0;
    }
}
function _eglCreateWindowSurface(display, config, win, attrib_list) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    if (config != 62002) {
        EGL.setErrorCode(12293);
        return 0;
    }
    EGL.setErrorCode(12288);
    return 62006;
}
function _eglDestroyContext(display, context) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    if (context != 62004) {
        EGL.setErrorCode(12294);
        return 0;
    }
    GL.deleteContext(EGL.context);
    EGL.setErrorCode(12288);
    if (EGL.currentContext == context) {
        EGL.currentContext = 0;
    }
    return 1;
}
function _eglDestroySurface(display, surface) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    if (surface != 62006) {
        EGL.setErrorCode(12301);
        return 1;
    }
    if (EGL.currentReadSurface == surface) {
        EGL.currentReadSurface = 0;
    }
    if (EGL.currentDrawSurface == surface) {
        EGL.currentDrawSurface = 0;
    }
    EGL.setErrorCode(12288);
    return 1;
}
function _eglGetConfigAttrib(display, config, attribute, value) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    if (config != 62002) {
        EGL.setErrorCode(12293);
        return 0;
    }
    if (!value) {
        EGL.setErrorCode(12300);
        return 0;
    }
    EGL.setErrorCode(12288);
    switch (attribute) {
        case 12320:
            HEAP32[value >> 2] = EGL.contextAttributes.alpha ? 32 : 24;
            return 1;
        case 12321:
            HEAP32[value >> 2] = EGL.contextAttributes.alpha ? 8 : 0;
            return 1;
        case 12322:
            HEAP32[value >> 2] = 8;
            return 1;
        case 12323:
            HEAP32[value >> 2] = 8;
            return 1;
        case 12324:
            HEAP32[value >> 2] = 8;
            return 1;
        case 12325:
            HEAP32[value >> 2] = EGL.contextAttributes.depth ? 24 : 0;
            return 1;
        case 12326:
            HEAP32[value >> 2] = EGL.contextAttributes.stencil ? 8 : 0;
            return 1;
        case 12327:
            HEAP32[value >> 2] = 12344;
            return 1;
        case 12328:
            HEAP32[value >> 2] = 62002;
            return 1;
        case 12329:
            HEAP32[value >> 2] = 0;
            return 1;
        case 12330:
            HEAP32[value >> 2] = 4096;
            return 1;
        case 12331:
            HEAP32[value >> 2] = 16777216;
            return 1;
        case 12332:
            HEAP32[value >> 2] = 4096;
            return 1;
        case 12333:
            HEAP32[value >> 2] = 0;
            return 1;
        case 12334:
            HEAP32[value >> 2] = 0;
            return 1;
        case 12335:
            HEAP32[value >> 2] = 12344;
            return 1;
        case 12337:
            HEAP32[value >> 2] = EGL.contextAttributes.antialias ? 4 : 0;
            return 1;
        case 12338:
            HEAP32[value >> 2] = EGL.contextAttributes.antialias ? 1 : 0;
            return 1;
        case 12339:
            HEAP32[value >> 2] = 4;
            return 1;
        case 12340:
            HEAP32[value >> 2] = 12344;
            return 1;
        case 12341:
        case 12342:
        case 12343:
            HEAP32[value >> 2] = -1;
            return 1;
        case 12345:
        case 12346:
            HEAP32[value >> 2] = 0;
            return 1;
        case 12347:
            HEAP32[value >> 2] = 0;
            return 1;
        case 12348:
            HEAP32[value >> 2] = 1;
            return 1;
        case 12349:
        case 12350:
            HEAP32[value >> 2] = 0;
            return 1;
        case 12351:
            HEAP32[value >> 2] = 12430;
            return 1;
        case 12352:
            HEAP32[value >> 2] = 4;
            return 1;
        case 12354:
            HEAP32[value >> 2] = 0;
            return 1;
        default:
            EGL.setErrorCode(12292);
            return 0;
    }
}
function _eglGetDisplay(nativeDisplayType) {
    EGL.setErrorCode(12288);
    return 62e3;
}
function _eglGetError() {
    return EGL.errorCode;
}
function _eglGetProcAddress(name_) {
    return _emscripten_GetProcAddress(name_);
}
function _eglInitialize(display, majorVersion, minorVersion) {
    if (display == 62e3) {
        if (majorVersion) {
            HEAP32[majorVersion >> 2] = 1;
        }
        if (minorVersion) {
            HEAP32[minorVersion >> 2] = 4;
        }
        EGL.defaultDisplayInitialized = true;
        EGL.setErrorCode(12288);
        return 1;
    } else {
        EGL.setErrorCode(12296);
        return 0;
    }
}
function _eglMakeCurrent(display, draw, read, context) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    if (context != 0 && context != 62004) {
        EGL.setErrorCode(12294);
        return 0;
    }
    if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006)) {
        EGL.setErrorCode(12301);
        return 0;
    }
    GL.makeContextCurrent(context ? EGL.context : null);
    EGL.currentContext = context;
    EGL.currentDrawSurface = draw;
    EGL.currentReadSurface = read;
    EGL.setErrorCode(12288);
    return 1;
}
function _eglQueryString(display, name) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    EGL.setErrorCode(12288);
    if (EGL.stringCache[name]) return EGL.stringCache[name];
    var ret;
    switch (name) {
        case 12371:
            ret = allocateUTF8("Emscripten");
            break;
        case 12372:
            ret = allocateUTF8("1.4 Emscripten EGL");
            break;
        case 12373:
            ret = allocateUTF8("");
            break;
        case 12429:
            ret = allocateUTF8("OpenGL_ES");
            break;
        default:
            EGL.setErrorCode(12300);
            return 0;
    }
    EGL.stringCache[name] = ret;
    return ret;
}
function _eglSwapBuffers() {
    if (!EGL.defaultDisplayInitialized) {
        EGL.setErrorCode(12289);
    } else if (!Module.ctx) {
        EGL.setErrorCode(12290);
    } else if (Module.ctx.isContextLost()) {
        EGL.setErrorCode(12302);
    } else {
        EGL.setErrorCode(12288);
        return 1;
    }
    return 0;
}
function _eglSwapInterval(display, interval) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    if (interval == 0) _emscripten_set_main_loop_timing(0, 0);
    else _emscripten_set_main_loop_timing(1, interval);
    EGL.setErrorCode(12288);
    return 1;
}
function _eglTerminate(display) {
    if (display != 62e3) {
        EGL.setErrorCode(12296);
        return 0;
    }
    EGL.currentContext = 0;
    EGL.currentReadSurface = 0;
    EGL.currentDrawSurface = 0;
    EGL.defaultDisplayInitialized = false;
    EGL.setErrorCode(12288);
    return 1;
}
function _eglWaitClient() {
    EGL.setErrorCode(12288);
    return 1;
}
function _eglWaitGL() {
    return _eglWaitClient();
}
function _eglWaitNative(nativeEngineId) {
    EGL.setErrorCode(12288);
    return 1;
}
function _emscripten_asm_const_int(code, sigPtr, argbuf) {
    var args = readAsmConstArgs(sigPtr, argbuf);
    return ASM_CONSTS[code].apply(null, args);
}
function _emscripten_cancel_main_loop() {
    Browser.mainLoop.pause();
    Browser.mainLoop.func = null;
}
var JSEvents = {
    inEventHandler: 0,
    removeAllEventListeners: function () {
        for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
            JSEvents._removeHandler(i);
        }
        JSEvents.eventHandlers = [];
        JSEvents.deferredCalls = [];
    },
    registerRemoveEventListeners: function () {
        if (!JSEvents.removeEventListenersRegistered) {
            __ATEXIT__.push(JSEvents.removeAllEventListeners);
            JSEvents.removeEventListenersRegistered = true;
        }
    },
    deferredCalls: [],
    deferCall: function (targetFunction, precedence, argsList) {
        function arraysHaveEqualContent(arrA, arrB) {
            if (arrA.length != arrB.length) return false;
            for (var i in arrA) {
                if (arrA[i] != arrB[i]) return false;
            }
            return true;
        }
        for (var i in JSEvents.deferredCalls) {
            var call = JSEvents.deferredCalls[i];
            if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
                return;
            }
        }
        JSEvents.deferredCalls.push({ targetFunction: targetFunction, precedence: precedence, argsList: argsList });
        JSEvents.deferredCalls.sort(function (x, y) {
            return x.precedence < y.precedence;
        });
    },
    removeDeferredCalls: function (targetFunction) {
        for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
            if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
                JSEvents.deferredCalls.splice(i, 1);
                --i;
            }
        }
    },
    canPerformEventHandlerRequests: function () {
        return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
    },
    runDeferredCalls: function () {
        if (!JSEvents.canPerformEventHandlerRequests()) {
            return;
        }
        for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
            var call = JSEvents.deferredCalls[i];
            JSEvents.deferredCalls.splice(i, 1);
            --i;
            call.targetFunction.apply(null, call.argsList);
        }
    },
    eventHandlers: [],
    removeAllHandlersOnTarget: function (target, eventTypeString) {
        for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
            if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
                JSEvents._removeHandler(i--);
            }
        }
    },
    _removeHandler: function (i) {
        var h = JSEvents.eventHandlers[i];
        h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
        JSEvents.eventHandlers.splice(i, 1);
    },
    registerOrRemoveHandler: function (eventHandler) {
        var jsEventHandler = function jsEventHandler(event) {
            ++JSEvents.inEventHandler;
            JSEvents.currentEventHandler = eventHandler;
            JSEvents.runDeferredCalls();
            eventHandler.handlerFunc(event);
            JSEvents.runDeferredCalls();
            --JSEvents.inEventHandler;
        };
        if (eventHandler.callbackfunc) {
            eventHandler.eventListenerFunc = jsEventHandler;
            eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
            JSEvents.eventHandlers.push(eventHandler);
            JSEvents.registerRemoveEventListeners();
        } else {
            for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
                if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
                    JSEvents._removeHandler(i--);
                }
            }
        }
    },
    getNodeNameForTarget: function (target) {
        if (!target) return "";
        if (target == window) return "#window";
        if (target == screen) return "#screen";
        return target && target.nodeName ? target.nodeName : "";
    },
    fullscreenEnabled: function () {
        return document.fullscreenEnabled || document.webkitFullscreenEnabled;
    },
};
var __currentFullscreenStrategy = {};
function maybeCStringToJsString(cString) {
    return cString > 2 ? UTF8ToString(cString) : cString;
}
var specialHTMLTargets = [0, typeof document !== "undefined" ? document : 0, typeof window !== "undefined" ? window : 0];
function findEventTarget(target) {
    target = maybeCStringToJsString(target);
    var domElement = specialHTMLTargets[target] || (typeof document !== "undefined" ? document.querySelector(target) : undefined);
    return domElement;
}
function findCanvasEventTarget(target) {
    return findEventTarget(target);
}
function _emscripten_get_canvas_element_size(target, width, height) {
    var canvas = findCanvasEventTarget(target);
    if (!canvas) return -4;
    HEAP32[width >> 2] = canvas.width;
    HEAP32[height >> 2] = canvas.height;
}
function __get_canvas_element_size(target) {
    var stackTop = stackSave();
    var w = stackAlloc(8);
    var h = w + 4;
    var targetInt = stackAlloc(target.id.length + 1);
    stringToUTF8(target.id, targetInt, target.id.length + 1);
    var ret = _emscripten_get_canvas_element_size(targetInt, w, h);
    var size = [HEAP32[w >> 2], HEAP32[h >> 2]];
    stackRestore(stackTop);
    return size;
}
function _emscripten_set_canvas_element_size(target, width, height) {
    var canvas = findCanvasEventTarget(target);
    if (!canvas) return -4;
    canvas.width = width;
    canvas.height = height;
    return 0;
}
function __set_canvas_element_size(target, width, height) {
    if (!target.controlTransferredOffscreen) {
        target.width = width;
        target.height = height;
    } else {
        var stackTop = stackSave();
        var targetInt = stackAlloc(target.id.length + 1);
        stringToUTF8(target.id, targetInt, target.id.length + 1);
        _emscripten_set_canvas_element_size(targetInt, width, height);
        stackRestore(stackTop);
    }
}
function __registerRestoreOldStyle(canvas) {
    var canvasSize = __get_canvas_element_size(canvas);
    var oldWidth = canvasSize[0];
    var oldHeight = canvasSize[1];
    var oldCssWidth = canvas.style.width;
    var oldCssHeight = canvas.style.height;
    var oldBackgroundColor = canvas.style.backgroundColor;
    var oldDocumentBackgroundColor = document.body.style.backgroundColor;
    var oldPaddingLeft = canvas.style.paddingLeft;
    var oldPaddingRight = canvas.style.paddingRight;
    var oldPaddingTop = canvas.style.paddingTop;
    var oldPaddingBottom = canvas.style.paddingBottom;
    var oldMarginLeft = canvas.style.marginLeft;
    var oldMarginRight = canvas.style.marginRight;
    var oldMarginTop = canvas.style.marginTop;
    var oldMarginBottom = canvas.style.marginBottom;
    var oldDocumentBodyMargin = document.body.style.margin;
    var oldDocumentOverflow = document.documentElement.style.overflow;
    var oldDocumentScroll = document.body.scroll;
    var oldImageRendering = canvas.style.imageRendering;
    function restoreOldStyle() {
        var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
        if (!fullscreenElement) {
            document.removeEventListener("fullscreenchange", restoreOldStyle);
            document.removeEventListener("webkitfullscreenchange", restoreOldStyle);
            __set_canvas_element_size(canvas, oldWidth, oldHeight);
            canvas.style.width = oldCssWidth;
            canvas.style.height = oldCssHeight;
            canvas.style.backgroundColor = oldBackgroundColor;
            if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = "white";
            document.body.style.backgroundColor = oldDocumentBackgroundColor;
            canvas.style.paddingLeft = oldPaddingLeft;
            canvas.style.paddingRight = oldPaddingRight;
            canvas.style.paddingTop = oldPaddingTop;
            canvas.style.paddingBottom = oldPaddingBottom;
            canvas.style.marginLeft = oldMarginLeft;
            canvas.style.marginRight = oldMarginRight;
            canvas.style.marginTop = oldMarginTop;
            canvas.style.marginBottom = oldMarginBottom;
            document.body.style.margin = oldDocumentBodyMargin;
            document.documentElement.style.overflow = oldDocumentOverflow;
            document.body.scroll = oldDocumentScroll;
            canvas.style.imageRendering = oldImageRendering;
            if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight);
            if (__currentFullscreenStrategy.canvasResizedCallback) {
                wasmTable.get(__currentFullscreenStrategy.canvasResizedCallback)(37, 0, __currentFullscreenStrategy.canvasResizedCallbackUserData);
            }
        }
    }
    document.addEventListener("fullscreenchange", restoreOldStyle);
    document.addEventListener("webkitfullscreenchange", restoreOldStyle);
    return restoreOldStyle;
}
function __setLetterbox(element, topBottom, leftRight) {
    element.style.paddingLeft = element.style.paddingRight = leftRight + "px";
    element.style.paddingTop = element.style.paddingBottom = topBottom + "px";
}
function __getBoundingClientRect(e) {
    return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : { left: 0, top: 0 };
}
function _JSEvents_resizeCanvasForFullscreen(target, strategy) {
    var restoreOldStyle = __registerRestoreOldStyle(target);
    var cssWidth = strategy.softFullscreen ? innerWidth : screen.width;
    var cssHeight = strategy.softFullscreen ? innerHeight : screen.height;
    var rect = __getBoundingClientRect(target);
    var windowedCssWidth = rect.width;
    var windowedCssHeight = rect.height;
    var canvasSize = __get_canvas_element_size(target);
    var windowedRttWidth = canvasSize[0];
    var windowedRttHeight = canvasSize[1];
    if (strategy.scaleMode == 3) {
        __setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2);
        cssWidth = windowedCssWidth;
        cssHeight = windowedCssHeight;
    } else if (strategy.scaleMode == 2) {
        if (cssWidth * windowedRttHeight < windowedRttWidth * cssHeight) {
            var desiredCssHeight = (windowedRttHeight * cssWidth) / windowedRttWidth;
            __setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0);
            cssHeight = desiredCssHeight;
        } else {
            var desiredCssWidth = (windowedRttWidth * cssHeight) / windowedRttHeight;
            __setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2);
            cssWidth = desiredCssWidth;
        }
    }
    if (!target.style.backgroundColor) target.style.backgroundColor = "black";
    if (!document.body.style.backgroundColor) document.body.style.backgroundColor = "black";
    target.style.width = cssWidth + "px";
    target.style.height = cssHeight + "px";
    if (strategy.filteringMode == 1) {
        target.style.imageRendering = "optimizeSpeed";
        target.style.imageRendering = "-moz-crisp-edges";
        target.style.imageRendering = "-o-crisp-edges";
        target.style.imageRendering = "-webkit-optimize-contrast";
        target.style.imageRendering = "optimize-contrast";
        target.style.imageRendering = "crisp-edges";
        target.style.imageRendering = "pixelated";
    }
    var dpiScale = strategy.canvasResolutionScaleMode == 2 ? devicePixelRatio : 1;
    if (strategy.canvasResolutionScaleMode != 0) {
        var newWidth = (cssWidth * dpiScale) | 0;
        var newHeight = (cssHeight * dpiScale) | 0;
        __set_canvas_element_size(target, newWidth, newHeight);
        if (target.GLctxObject) target.GLctxObject.GLctx.viewport(0, 0, newWidth, newHeight);
    }
    return restoreOldStyle;
}
function _JSEvents_requestFullscreen(target, strategy) {
    if (strategy.scaleMode != 0 || strategy.canvasResolutionScaleMode != 0) {
        _JSEvents_resizeCanvasForFullscreen(target, strategy);
    }
    if (target.requestFullscreen) {
        target.requestFullscreen();
    } else if (target.webkitRequestFullscreen) {
        target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
    } else {
        return JSEvents.fullscreenEnabled() ? -3 : -1;
    }
    __currentFullscreenStrategy = strategy;
    if (strategy.canvasResizedCallback) {
        wasmTable.get(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData);
    }
    return 0;
}
function _emscripten_exit_fullscreen() {
    if (!JSEvents.fullscreenEnabled()) return -1;
    JSEvents.removeDeferredCalls(_JSEvents_requestFullscreen);
    var d = specialHTMLTargets[1];
    if (d.exitFullscreen) {
        d.fullscreenElement && d.exitFullscreen();
    } else if (d.webkitExitFullscreen) {
        d.webkitFullscreenElement && d.webkitExitFullscreen();
    } else {
        return -1;
    }
    return 0;
}
function __requestPointerLock(target) {
    if (target.requestPointerLock) {
        target.requestPointerLock();
    } else if (target.msRequestPointerLock) {
        target.msRequestPointerLock();
    } else {
        if (document.body.requestPointerLock || document.body.msRequestPointerLock) {
            return -3;
        } else {
            return -1;
        }
    }
    return 0;
}
function _emscripten_exit_pointerlock() {
    JSEvents.removeDeferredCalls(__requestPointerLock);
    if (document.exitPointerLock) {
        document.exitPointerLock();
    } else if (document.msExitPointerLock) {
        document.msExitPointerLock();
    } else {
        return -1;
    }
    return 0;
}
function _emscripten_get_device_pixel_ratio() {
    return (typeof devicePixelRatio === "number" && devicePixelRatio) || 1;
}
function _emscripten_get_element_css_size(target, width, height) {
    target = findEventTarget(target);
    if (!target) return -4;
    var rect = __getBoundingClientRect(target);
    HEAPF64[width >> 3] = rect.width;
    HEAPF64[height >> 3] = rect.height;
    return 0;
}
function __fillGamepadEventData(eventStruct, e) {
    HEAPF64[eventStruct >> 3] = e.timestamp;
    for (var i = 0; i < e.axes.length; ++i) {
        HEAPF64[(eventStruct + i * 8 + 16) >> 3] = e.axes[i];
    }
    for (var i = 0; i < e.buttons.length; ++i) {
        if (typeof e.buttons[i] === "object") {
            HEAPF64[(eventStruct + i * 8 + 528) >> 3] = e.buttons[i].value;
        } else {
            HEAPF64[(eventStruct + i * 8 + 528) >> 3] = e.buttons[i];
        }
    }
    for (var i = 0; i < e.buttons.length; ++i) {
        if (typeof e.buttons[i] === "object") {
            HEAP32[(eventStruct + i * 4 + 1040) >> 2] = e.buttons[i].pressed;
        } else {
            HEAP32[(eventStruct + i * 4 + 1040) >> 2] = e.buttons[i] == 1;
        }
    }
    HEAP32[(eventStruct + 1296) >> 2] = e.connected;
    HEAP32[(eventStruct + 1300) >> 2] = e.index;
    HEAP32[(eventStruct + 8) >> 2] = e.axes.length;
    HEAP32[(eventStruct + 12) >> 2] = e.buttons.length;
    stringToUTF8(e.id, eventStruct + 1304, 64);
    stringToUTF8(e.mapping, eventStruct + 1368, 64);
}
function _emscripten_get_gamepad_status(index, gamepadState) {
    if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5;
    if (!JSEvents.lastGamepadState[index]) return -7;
    __fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]);
    return 0;
}
function _emscripten_get_num_gamepads() {
    return JSEvents.lastGamepadState.length;
}
function _emscripten_glActiveTexture(x0) {
    GLctx["activeTexture"](x0);
}
function _emscripten_glAttachShader(program, shader) {
    GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}
function _emscripten_glBeginQueryEXT(target, id) {
    GLctx.disjointTimerQueryExt["beginQueryEXT"](target, GL.timerQueriesEXT[id]);
}
function _emscripten_glBindAttribLocation(program, index, name) {
    GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}
function _emscripten_glBindBuffer(target, buffer) {
    GLctx.bindBuffer(target, GL.buffers[buffer]);
}
function _emscripten_glBindFramebuffer(target, framebuffer) {
    GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}
function _emscripten_glBindRenderbuffer(target, renderbuffer) {
    GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
}
function _emscripten_glBindTexture(target, texture) {
    GLctx.bindTexture(target, GL.textures[texture]);
}
function _emscripten_glBindVertexArrayOES(vao) {
    GLctx["bindVertexArray"](GL.vaos[vao]);
}
function _emscripten_glBlendColor(x0, x1, x2, x3) {
    GLctx["blendColor"](x0, x1, x2, x3);
}
function _emscripten_glBlendEquation(x0) {
    GLctx["blendEquation"](x0);
}
function _emscripten_glBlendEquationSeparate(x0, x1) {
    GLctx["blendEquationSeparate"](x0, x1);
}
function _emscripten_glBlendFunc(x0, x1) {
    GLctx["blendFunc"](x0, x1);
}
function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) {
    GLctx["blendFuncSeparate"](x0, x1, x2, x3);
}
function _emscripten_glBufferData(target, size, data, usage) {
    GLctx.bufferData(target, data ? HEAPU8.subarray(data, data + size) : size, usage);
}
function _emscripten_glBufferSubData(target, offset, size, data) {
    GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data + size));
}
function _emscripten_glCheckFramebufferStatus(x0) {
    return GLctx["checkFramebufferStatus"](x0);
}
function _emscripten_glClear(x0) {
    GLctx["clear"](x0);
}
function _emscripten_glClearColor(x0, x1, x2, x3) {
    GLctx["clearColor"](x0, x1, x2, x3);
}
function _emscripten_glClearDepthf(x0) {
    GLctx["clearDepth"](x0);
}
function _emscripten_glClearStencil(x0) {
    GLctx["clearStencil"](x0);
}
function _emscripten_glColorMask(red, green, blue, alpha) {
    GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
}
function _emscripten_glCompileShader(shader) {
    GLctx.compileShader(GL.shaders[shader]);
}
function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
    GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, data ? HEAPU8.subarray(data, data + imageSize) : null);
}
function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
    GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray(data, data + imageSize) : null);
}
function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
    GLctx["copyTexImage2D"](x0, x1, x2, x3, x4, x5, x6, x7);
}
function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
    GLctx["copyTexSubImage2D"](x0, x1, x2, x3, x4, x5, x6, x7);
}
function _emscripten_glCreateProgram() {
    var id = GL.getNewId(GL.programs);
    var program = GLctx.createProgram();
    program.name = id;
    GL.programs[id] = program;
    return id;
}
function _emscripten_glCreateShader(shaderType) {
    var id = GL.getNewId(GL.shaders);
    GL.shaders[id] = GLctx.createShader(shaderType);
    return id;
}
function _emscripten_glCullFace(x0) {
    GLctx["cullFace"](x0);
}
function _emscripten_glDeleteBuffers(n, buffers) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(buffers + i * 4) >> 2];
        var buffer = GL.buffers[id];
        if (!buffer) continue;
        GLctx.deleteBuffer(buffer);
        buffer.name = 0;
        GL.buffers[id] = null;
    }
}
function _emscripten_glDeleteFramebuffers(n, framebuffers) {
    for (var i = 0; i < n; ++i) {
        var id = HEAP32[(framebuffers + i * 4) >> 2];
        var framebuffer = GL.framebuffers[id];
        if (!framebuffer) continue;
        GLctx.deleteFramebuffer(framebuffer);
        framebuffer.name = 0;
        GL.framebuffers[id] = null;
    }
}
function _emscripten_glDeleteProgram(id) {
    if (!id) return;
    var program = GL.programs[id];
    if (!program) {
        GL.recordError(1281);
        return;
    }
    GLctx.deleteProgram(program);
    program.name = 0;
    GL.programs[id] = null;
    GL.programInfos[id] = null;
}
function _emscripten_glDeleteQueriesEXT(n, ids) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(ids + i * 4) >> 2];
        var query = GL.timerQueriesEXT[id];
        if (!query) continue;
        GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);
        GL.timerQueriesEXT[id] = null;
    }
}
function _emscripten_glDeleteRenderbuffers(n, renderbuffers) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(renderbuffers + i * 4) >> 2];
        var renderbuffer = GL.renderbuffers[id];
        if (!renderbuffer) continue;
        GLctx.deleteRenderbuffer(renderbuffer);
        renderbuffer.name = 0;
        GL.renderbuffers[id] = null;
    }
}
function _emscripten_glDeleteShader(id) {
    if (!id) return;
    var shader = GL.shaders[id];
    if (!shader) {
        GL.recordError(1281);
        return;
    }
    GLctx.deleteShader(shader);
    GL.shaders[id] = null;
}
function _emscripten_glDeleteTextures(n, textures) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(textures + i * 4) >> 2];
        var texture = GL.textures[id];
        if (!texture) continue;
        GLctx.deleteTexture(texture);
        texture.name = 0;
        GL.textures[id] = null;
    }
}
function _emscripten_glDeleteVertexArraysOES(n, vaos) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(vaos + i * 4) >> 2];
        GLctx["deleteVertexArray"](GL.vaos[id]);
        GL.vaos[id] = null;
    }
}
function _emscripten_glDepthFunc(x0) {
    GLctx["depthFunc"](x0);
}
function _emscripten_glDepthMask(flag) {
    GLctx.depthMask(!!flag);
}
function _emscripten_glDepthRangef(x0, x1) {
    GLctx["depthRange"](x0, x1);
}
function _emscripten_glDetachShader(program, shader) {
    GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}
function _emscripten_glDisable(x0) {
    GLctx["disable"](x0);
}
function _emscripten_glDisableVertexAttribArray(index) {
    GLctx.disableVertexAttribArray(index);
}
function _emscripten_glDrawArrays(mode, first, count) {
    GLctx.drawArrays(mode, first, count);
}
function _emscripten_glDrawArraysInstancedANGLE(mode, first, count, primcount) {
    GLctx["drawArraysInstanced"](mode, first, count, primcount);
}
var tempFixedLengthArray = [];
function _emscripten_glDrawBuffersWEBGL(n, bufs) {
    var bufArray = tempFixedLengthArray[n];
    for (var i = 0; i < n; i++) {
        bufArray[i] = HEAP32[(bufs + i * 4) >> 2];
    }
    GLctx["drawBuffers"](bufArray);
}
function _emscripten_glDrawElements(mode, count, type, indices) {
    GLctx.drawElements(mode, count, type, indices);
}
function _emscripten_glDrawElementsInstancedANGLE(mode, count, type, indices, primcount) {
    GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
}
function _emscripten_glEnable(x0) {
    GLctx["enable"](x0);
}
function _emscripten_glEnableVertexAttribArray(index) {
    GLctx.enableVertexAttribArray(index);
}
function _emscripten_glEndQueryEXT(target) {
    GLctx.disjointTimerQueryExt["endQueryEXT"](target);
}
function _emscripten_glFinish() {
    GLctx["finish"]();
}
function _emscripten_glFlush() {
    GLctx["flush"]();
}
function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
    GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
}
function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) {
    GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
}
function _emscripten_glFrontFace(x0) {
    GLctx["frontFace"](x0);
}
function __glGenObject(n, buffers, createFunction, objectTable) {
    for (var i = 0; i < n; i++) {
        var buffer = GLctx[createFunction]();
        var id = buffer && GL.getNewId(objectTable);
        if (buffer) {
            buffer.name = id;
            objectTable[id] = buffer;
        } else {
            GL.recordError(1282);
        }
        HEAP32[(buffers + i * 4) >> 2] = id;
    }
}
function _emscripten_glGenBuffers(n, buffers) {
    __glGenObject(n, buffers, "createBuffer", GL.buffers);
}
function _emscripten_glGenFramebuffers(n, ids) {
    __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
}
function _emscripten_glGenQueriesEXT(n, ids) {
    for (var i = 0; i < n; i++) {
        var query = GLctx.disjointTimerQueryExt["createQueryEXT"]();
        if (!query) {
            GL.recordError(1282);
            while (i < n) HEAP32[(ids + i++ * 4) >> 2] = 0;
            return;
        }
        var id = GL.getNewId(GL.timerQueriesEXT);
        query.name = id;
        GL.timerQueriesEXT[id] = query;
        HEAP32[(ids + i * 4) >> 2] = id;
    }
}
function _emscripten_glGenRenderbuffers(n, renderbuffers) {
    __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
}
function _emscripten_glGenTextures(n, textures) {
    __glGenObject(n, textures, "createTexture", GL.textures);
}
function _emscripten_glGenVertexArraysOES(n, arrays) {
    __glGenObject(n, arrays, "createVertexArray", GL.vaos);
}
function _emscripten_glGenerateMipmap(x0) {
    GLctx["generateMipmap"](x0);
}
function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) {
    program = GL.programs[program];
    var info = GLctx[funcName](program, index);
    if (info) {
        var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize);
        if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
        if (size) HEAP32[size >> 2] = info.size;
        if (type) HEAP32[type >> 2] = info.type;
    }
}
function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
    __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name);
}
function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) {
    __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name);
}
function _emscripten_glGetAttachedShaders(program, maxCount, count, shaders) {
    var result = GLctx.getAttachedShaders(GL.programs[program]);
    var len = result.length;
    if (len > maxCount) {
        len = maxCount;
    }
    HEAP32[count >> 2] = len;
    for (var i = 0; i < len; ++i) {
        var id = GL.shaders.indexOf(result[i]);
        HEAP32[(shaders + i * 4) >> 2] = id;
    }
}
function _emscripten_glGetAttribLocation(program, name) {
    return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}
function writeI53ToI64(ptr, num) {
    HEAPU32[ptr >> 2] = num;
    HEAPU32[(ptr + 4) >> 2] = (num - HEAPU32[ptr >> 2]) / 4294967296;
}
function emscriptenWebGLGet(name_, p, type) {
    if (!p) {
        GL.recordError(1281);
        return;
    }
    var ret = undefined;
    switch (name_) {
        case 36346:
            ret = 1;
            break;
        case 36344:
            if (type != 0 && type != 1) {
                GL.recordError(1280);
            }
            return;
        case 36345:
            ret = 0;
            break;
        case 34466:
            var formats = GLctx.getParameter(34467);
            ret = formats ? formats.length : 0;
            break;
    }
    if (ret === undefined) {
        var result = GLctx.getParameter(name_);
        switch (typeof result) {
            case "number":
                ret = result;
                break;
            case "boolean":
                ret = result ? 1 : 0;
                break;
            case "string":
                GL.recordError(1280);
                return;
            case "object":
                if (result === null) {
                    switch (name_) {
                        case 34964:
                        case 35725:
                        case 34965:
                        case 36006:
                        case 36007:
                        case 32873:
                        case 34229:
                        case 34068: {
                            ret = 0;
                            break;
                        }
                        default: {
                            GL.recordError(1280);
                            return;
                        }
                    }
                } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
                    for (var i = 0; i < result.length; ++i) {
                        switch (type) {
                            case 0:
                                HEAP32[(p + i * 4) >> 2] = result[i];
                                break;
                            case 2:
                                HEAPF32[(p + i * 4) >> 2] = result[i];
                                break;
                            case 4:
                                HEAP8[(p + i) >> 0] = result[i] ? 1 : 0;
                                break;
                        }
                    }
                    return;
                } else {
                    try {
                        ret = result.name | 0;
                    } catch (e) {
                        GL.recordError(1280);
                        err("GL_INVALID_ENUM in glGet" + type + "v: Unknown object returned from WebGL getParameter(" + name_ + ")! (error: " + e + ")");
                        return;
                    }
                }
                break;
            default:
                GL.recordError(1280);
                err("GL_INVALID_ENUM in glGet" + type + "v: Native code calling glGet" + type + "v(" + name_ + ") and it returns " + result + " of type " + typeof result + "!");
                return;
        }
    }
    switch (type) {
        case 1:
            writeI53ToI64(p, ret);
            break;
        case 0:
            HEAP32[p >> 2] = ret;
            break;
        case 2:
            HEAPF32[p >> 2] = ret;
            break;
        case 4:
            HEAP8[p >> 0] = ret ? 1 : 0;
            break;
    }
}
function _emscripten_glGetBooleanv(name_, p) {
    emscriptenWebGLGet(name_, p, 4);
}
function _emscripten_glGetBufferParameteriv(target, value, data) {
    if (!data) {
        GL.recordError(1281);
        return;
    }
    HEAP32[data >> 2] = GLctx.getBufferParameter(target, value);
}
function _emscripten_glGetError() {
    var error = GLctx.getError() || GL.lastError;
    GL.lastError = 0;
    return error;
}
function _emscripten_glGetFloatv(name_, p) {
    emscriptenWebGLGet(name_, p, 2);
}
function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
    var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
    if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) {
        result = result.name | 0;
    }
    HEAP32[params >> 2] = result;
}
function _emscripten_glGetIntegerv(name_, p) {
    emscriptenWebGLGet(name_, p, 0);
}
function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) {
    var log = GLctx.getProgramInfoLog(GL.programs[program]);
    if (log === null) log = "(unknown error)";
    var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
    if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
}
function _emscripten_glGetProgramiv(program, pname, p) {
    if (!p) {
        GL.recordError(1281);
        return;
    }
    if (program >= GL.counter) {
        GL.recordError(1281);
        return;
    }
    var ptable = GL.programInfos[program];
    if (!ptable) {
        GL.recordError(1282);
        return;
    }
    if (pname == 35716) {
        var log = GLctx.getProgramInfoLog(GL.programs[program]);
        if (log === null) log = "(unknown error)";
        HEAP32[p >> 2] = log.length + 1;
    } else if (pname == 35719) {
        HEAP32[p >> 2] = ptable.maxUniformLength;
    } else if (pname == 35722) {
        if (ptable.maxAttributeLength == -1) {
            program = GL.programs[program];
            var numAttribs = GLctx.getProgramParameter(program, 35721);
            ptable.maxAttributeLength = 0;
            for (var i = 0; i < numAttribs; ++i) {
                var activeAttrib = GLctx.getActiveAttrib(program, i);
                ptable.maxAttributeLength = Math.max(ptable.maxAttributeLength, activeAttrib.name.length + 1);
            }
        }
        HEAP32[p >> 2] = ptable.maxAttributeLength;
    } else if (pname == 35381) {
        if (ptable.maxUniformBlockNameLength == -1) {
            program = GL.programs[program];
            var numBlocks = GLctx.getProgramParameter(program, 35382);
            ptable.maxUniformBlockNameLength = 0;
            for (var i = 0; i < numBlocks; ++i) {
                var activeBlockName = GLctx.getActiveUniformBlockName(program, i);
                ptable.maxUniformBlockNameLength = Math.max(ptable.maxUniformBlockNameLength, activeBlockName.length + 1);
            }
        }
        HEAP32[p >> 2] = ptable.maxUniformBlockNameLength;
    } else {
        HEAP32[p >> 2] = GLctx.getProgramParameter(GL.programs[program], pname);
    }
}
function _emscripten_glGetQueryObjecti64vEXT(id, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    var query = GL.timerQueriesEXT[id];
    var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
    var ret;
    if (typeof param == "boolean") {
        ret = param ? 1 : 0;
    } else {
        ret = param;
    }
    writeI53ToI64(params, ret);
}
function _emscripten_glGetQueryObjectivEXT(id, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    var query = GL.timerQueriesEXT[id];
    var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
    var ret;
    if (typeof param == "boolean") {
        ret = param ? 1 : 0;
    } else {
        ret = param;
    }
    HEAP32[params >> 2] = ret;
}
function _emscripten_glGetQueryObjectui64vEXT(id, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    var query = GL.timerQueriesEXT[id];
    var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
    var ret;
    if (typeof param == "boolean") {
        ret = param ? 1 : 0;
    } else {
        ret = param;
    }
    writeI53ToI64(params, ret);
}
function _emscripten_glGetQueryObjectuivEXT(id, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    var query = GL.timerQueriesEXT[id];
    var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
    var ret;
    if (typeof param == "boolean") {
        ret = param ? 1 : 0;
    } else {
        ret = param;
    }
    HEAP32[params >> 2] = ret;
}
function _emscripten_glGetQueryivEXT(target, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    HEAP32[params >> 2] = GLctx.disjointTimerQueryExt["getQueryEXT"](target, pname);
}
function _emscripten_glGetRenderbufferParameteriv(target, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    HEAP32[params >> 2] = GLctx.getRenderbufferParameter(target, pname);
}
function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) {
    var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
    if (log === null) log = "(unknown error)";
    var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
    if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
}
function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
    var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
    HEAP32[range >> 2] = result.rangeMin;
    HEAP32[(range + 4) >> 2] = result.rangeMax;
    HEAP32[precision >> 2] = result.precision;
}
function _emscripten_glGetShaderSource(shader, bufSize, length, source) {
    var result = GLctx.getShaderSource(GL.shaders[shader]);
    if (!result) return;
    var numBytesWrittenExclNull = bufSize > 0 && source ? stringToUTF8(result, source, bufSize) : 0;
    if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
}
function _emscripten_glGetShaderiv(shader, pname, p) {
    if (!p) {
        GL.recordError(1281);
        return;
    }
    if (pname == 35716) {
        var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
        if (log === null) log = "(unknown error)";
        var logLength = log ? log.length + 1 : 0;
        HEAP32[p >> 2] = logLength;
    } else if (pname == 35720) {
        var source = GLctx.getShaderSource(GL.shaders[shader]);
        var sourceLength = source ? source.length + 1 : 0;
        HEAP32[p >> 2] = sourceLength;
    } else {
        HEAP32[p >> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
    }
}
function stringToNewUTF8(jsString) {
    var length = lengthBytesUTF8(jsString) + 1;
    var cString = _malloc(length);
    stringToUTF8(jsString, cString, length);
    return cString;
}
function _emscripten_glGetString(name_) {
    if (GL.stringCache[name_]) return GL.stringCache[name_];
    var ret;
    switch (name_) {
        case 7939:
            var exts = GLctx.getSupportedExtensions() || [];
            exts = exts.concat(
                exts.map(function (e) {
                    return "GL_" + e;
                })
            );
            ret = stringToNewUTF8(exts.join(" "));
            break;
        case 7936:
        case 7937:
        case 37445:
        case 37446:
            var s = GLctx.getParameter(name_);
            if (!s) {
                GL.recordError(1280);
            }
            ret = stringToNewUTF8(s);
            break;
        case 7938:
            var glVersion = GLctx.getParameter(7938);
            {
                glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
            }
            ret = stringToNewUTF8(glVersion);
            break;
        case 35724:
            var glslVersion = GLctx.getParameter(35724);
            var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
            var ver_num = glslVersion.match(ver_re);
            if (ver_num !== null) {
                if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
                glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
            }
            ret = stringToNewUTF8(glslVersion);
            break;
        default:
            GL.recordError(1280);
            return 0;
    }
    GL.stringCache[name_] = ret;
    return ret;
}
function _emscripten_glGetTexParameterfv(target, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    HEAPF32[params >> 2] = GLctx.getTexParameter(target, pname);
}
function _emscripten_glGetTexParameteriv(target, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    HEAP32[params >> 2] = GLctx.getTexParameter(target, pname);
}
function jstoi_q(str) {
    return parseInt(str);
}
function _emscripten_glGetUniformLocation(program, name) {
    name = UTF8ToString(name);
    var arrayIndex = 0;
    if (name[name.length - 1] == "]") {
        var leftBrace = name.lastIndexOf("[");
        arrayIndex = name[leftBrace + 1] != "]" ? jstoi_q(name.slice(leftBrace + 1)) : 0;
        name = name.slice(0, leftBrace);
    }
    var uniformInfo = GL.programInfos[program] && GL.programInfos[program].uniforms[name];
    if (uniformInfo && arrayIndex >= 0 && arrayIndex < uniformInfo[0]) {
        return uniformInfo[1] + arrayIndex;
    } else {
        return -1;
    }
}
function emscriptenWebGLGetUniform(program, location, params, type) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    var data = GLctx.getUniform(GL.programs[program], GL.uniforms[location]);
    if (typeof data == "number" || typeof data == "boolean") {
        switch (type) {
            case 0:
                HEAP32[params >> 2] = data;
                break;
            case 2:
                HEAPF32[params >> 2] = data;
                break;
        }
    } else {
        for (var i = 0; i < data.length; i++) {
            switch (type) {
                case 0:
                    HEAP32[(params + i * 4) >> 2] = data[i];
                    break;
                case 2:
                    HEAPF32[(params + i * 4) >> 2] = data[i];
                    break;
            }
        }
    }
}
function _emscripten_glGetUniformfv(program, location, params) {
    emscriptenWebGLGetUniform(program, location, params, 2);
}
function _emscripten_glGetUniformiv(program, location, params) {
    emscriptenWebGLGetUniform(program, location, params, 0);
}
function _emscripten_glGetVertexAttribPointerv(index, pname, pointer) {
    if (!pointer) {
        GL.recordError(1281);
        return;
    }
    HEAP32[pointer >> 2] = GLctx.getVertexAttribOffset(index, pname);
}
function emscriptenWebGLGetVertexAttrib(index, pname, params, type) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    var data = GLctx.getVertexAttrib(index, pname);
    if (pname == 34975) {
        HEAP32[params >> 2] = data && data["name"];
    } else if (typeof data == "number" || typeof data == "boolean") {
        switch (type) {
            case 0:
                HEAP32[params >> 2] = data;
                break;
            case 2:
                HEAPF32[params >> 2] = data;
                break;
            case 5:
                HEAP32[params >> 2] = Math.fround(data);
                break;
        }
    } else {
        for (var i = 0; i < data.length; i++) {
            switch (type) {
                case 0:
                    HEAP32[(params + i * 4) >> 2] = data[i];
                    break;
                case 2:
                    HEAPF32[(params + i * 4) >> 2] = data[i];
                    break;
                case 5:
                    HEAP32[(params + i * 4) >> 2] = Math.fround(data[i]);
                    break;
            }
        }
    }
}
function _emscripten_glGetVertexAttribfv(index, pname, params) {
    emscriptenWebGLGetVertexAttrib(index, pname, params, 2);
}
function _emscripten_glGetVertexAttribiv(index, pname, params) {
    emscriptenWebGLGetVertexAttrib(index, pname, params, 5);
}
function _emscripten_glHint(x0, x1) {
    GLctx["hint"](x0, x1);
}
function _emscripten_glIsBuffer(buffer) {
    var b = GL.buffers[buffer];
    if (!b) return 0;
    return GLctx.isBuffer(b);
}
function _emscripten_glIsEnabled(x0) {
    return GLctx["isEnabled"](x0);
}
function _emscripten_glIsFramebuffer(framebuffer) {
    var fb = GL.framebuffers[framebuffer];
    if (!fb) return 0;
    return GLctx.isFramebuffer(fb);
}
function _emscripten_glIsProgram(program) {
    program = GL.programs[program];
    if (!program) return 0;
    return GLctx.isProgram(program);
}
function _emscripten_glIsQueryEXT(id) {
    var query = GL.timerQueriesEXT[id];
    if (!query) return 0;
    return GLctx.disjointTimerQueryExt["isQueryEXT"](query);
}
function _emscripten_glIsRenderbuffer(renderbuffer) {
    var rb = GL.renderbuffers[renderbuffer];
    if (!rb) return 0;
    return GLctx.isRenderbuffer(rb);
}
function _emscripten_glIsShader(shader) {
    var s = GL.shaders[shader];
    if (!s) return 0;
    return GLctx.isShader(s);
}
function _emscripten_glIsTexture(id) {
    var texture = GL.textures[id];
    if (!texture) return 0;
    return GLctx.isTexture(texture);
}
function _emscripten_glIsVertexArrayOES(array) {
    var vao = GL.vaos[array];
    if (!vao) return 0;
    return GLctx["isVertexArray"](vao);
}
function _emscripten_glLineWidth(x0) {
    GLctx["lineWidth"](x0);
}
function _emscripten_glLinkProgram(program) {
    GLctx.linkProgram(GL.programs[program]);
    GL.populateUniformTable(program);
}
function _emscripten_glPixelStorei(pname, param) {
    if (pname == 3317) {
        GL.unpackAlignment = param;
    }
    GLctx.pixelStorei(pname, param);
}
function _emscripten_glPolygonOffset(x0, x1) {
    GLctx["polygonOffset"](x0, x1);
}
function _emscripten_glQueryCounterEXT(id, target) {
    GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.timerQueriesEXT[id], target);
}
function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
    function roundedToNextMultipleOf(x, y) {
        return (x + y - 1) & -y;
    }
    var plainRowSize = width * sizePerPixel;
    var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
    return height * alignedRowSize;
}
function __colorChannelsInGlTextureFormat(format) {
    var colorChannels = { 5: 3, 6: 4, 8: 2, 29502: 3, 29504: 4 };
    return colorChannels[format - 6402] || 1;
}
function heapObjectForWebGLType(type) {
    type -= 5120;
    if (type == 1) return HEAPU8;
    if (type == 4) return HEAP32;
    if (type == 6) return HEAPF32;
    if (type == 5 || type == 28922) return HEAPU32;
    return HEAPU16;
}
function heapAccessShiftForWebGLHeap(heap) {
    return 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
}
function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
    var heap = heapObjectForWebGLType(type);
    var shift = heapAccessShiftForWebGLHeap(heap);
    var byteSize = 1 << shift;
    var sizePerPixel = __colorChannelsInGlTextureFormat(format) * byteSize;
    var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
    return heap.subarray(pixels >> shift, (pixels + bytes) >> shift);
}
function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) {
    var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
    if (!pixelData) {
        GL.recordError(1280);
        return;
    }
    GLctx.readPixels(x, y, width, height, format, type, pixelData);
}
function _emscripten_glReleaseShaderCompiler() {}
function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) {
    GLctx["renderbufferStorage"](x0, x1, x2, x3);
}
function _emscripten_glSampleCoverage(value, invert) {
    GLctx.sampleCoverage(value, !!invert);
}
function _emscripten_glScissor(x0, x1, x2, x3) {
    GLctx["scissor"](x0, x1, x2, x3);
}
function _emscripten_glShaderBinary() {
    GL.recordError(1280);
}
function _emscripten_glShaderSource(shader, count, string, length) {
    var source = GL.getSource(shader, count, string, length);
    GLctx.shaderSource(GL.shaders[shader], source);
}
function _emscripten_glStencilFunc(x0, x1, x2) {
    GLctx["stencilFunc"](x0, x1, x2);
}
function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) {
    GLctx["stencilFuncSeparate"](x0, x1, x2, x3);
}
function _emscripten_glStencilMask(x0) {
    GLctx["stencilMask"](x0);
}
function _emscripten_glStencilMaskSeparate(x0, x1) {
    GLctx["stencilMaskSeparate"](x0, x1);
}
function _emscripten_glStencilOp(x0, x1, x2) {
    GLctx["stencilOp"](x0, x1, x2);
}
function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) {
    GLctx["stencilOpSeparate"](x0, x1, x2, x3);
}
function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
    GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
}
function _emscripten_glTexParameterf(x0, x1, x2) {
    GLctx["texParameterf"](x0, x1, x2);
}
function _emscripten_glTexParameterfv(target, pname, params) {
    var param = HEAPF32[params >> 2];
    GLctx.texParameterf(target, pname, param);
}
function _emscripten_glTexParameteri(x0, x1, x2) {
    GLctx["texParameteri"](x0, x1, x2);
}
function _emscripten_glTexParameteriv(target, pname, params) {
    var param = HEAP32[params >> 2];
    GLctx.texParameteri(target, pname, param);
}
function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
    var pixelData = null;
    if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
    GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}
function _emscripten_glUniform1f(location, v0) {
    GLctx.uniform1f(GL.uniforms[location], v0);
}
var miniTempWebGLFloatBuffers = [];
function _emscripten_glUniform1fv(location, count, value) {
    if (count <= 288) {
        var view = miniTempWebGLFloatBuffers[count - 1];
        for (var i = 0; i < count; ++i) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 4) >> 2);
    }
    GLctx.uniform1fv(GL.uniforms[location], view);
}
function _emscripten_glUniform1i(location, v0) {
    GLctx.uniform1i(GL.uniforms[location], v0);
}
var __miniTempWebGLIntBuffers = [];
function _emscripten_glUniform1iv(location, count, value) {
    if (count <= 288) {
        var view = __miniTempWebGLIntBuffers[count - 1];
        for (var i = 0; i < count; ++i) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 4) >> 2);
    }
    GLctx.uniform1iv(GL.uniforms[location], view);
}
function _emscripten_glUniform2f(location, v0, v1) {
    GLctx.uniform2f(GL.uniforms[location], v0, v1);
}
function _emscripten_glUniform2fv(location, count, value) {
    if (count <= 144) {
        var view = miniTempWebGLFloatBuffers[2 * count - 1];
        for (var i = 0; i < 2 * count; i += 2) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 8) >> 2);
    }
    GLctx.uniform2fv(GL.uniforms[location], view);
}
function _emscripten_glUniform2i(location, v0, v1) {
    GLctx.uniform2i(GL.uniforms[location], v0, v1);
}
function _emscripten_glUniform2iv(location, count, value) {
    if (count <= 144) {
        var view = __miniTempWebGLIntBuffers[2 * count - 1];
        for (var i = 0; i < 2 * count; i += 2) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
            view[i + 1] = HEAP32[(value + (4 * i + 4)) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 8) >> 2);
    }
    GLctx.uniform2iv(GL.uniforms[location], view);
}
function _emscripten_glUniform3f(location, v0, v1, v2) {
    GLctx.uniform3f(GL.uniforms[location], v0, v1, v2);
}
function _emscripten_glUniform3fv(location, count, value) {
    if (count <= 96) {
        var view = miniTempWebGLFloatBuffers[3 * count - 1];
        for (var i = 0; i < 3 * count; i += 3) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAPF32[(value + (4 * i + 8)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 12) >> 2);
    }
    GLctx.uniform3fv(GL.uniforms[location], view);
}
function _emscripten_glUniform3i(location, v0, v1, v2) {
    GLctx.uniform3i(GL.uniforms[location], v0, v1, v2);
}
function _emscripten_glUniform3iv(location, count, value) {
    if (count <= 96) {
        var view = __miniTempWebGLIntBuffers[3 * count - 1];
        for (var i = 0; i < 3 * count; i += 3) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
            view[i + 1] = HEAP32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAP32[(value + (4 * i + 8)) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 12) >> 2);
    }
    GLctx.uniform3iv(GL.uniforms[location], view);
}
function _emscripten_glUniform4f(location, v0, v1, v2, v3) {
    GLctx.uniform4f(GL.uniforms[location], v0, v1, v2, v3);
}
function _emscripten_glUniform4fv(location, count, value) {
    if (count <= 72) {
        var view = miniTempWebGLFloatBuffers[4 * count - 1];
        var heap = HEAPF32;
        value >>= 2;
        for (var i = 0; i < 4 * count; i += 4) {
            var dst = value + i;
            view[i] = heap[dst];
            view[i + 1] = heap[dst + 1];
            view[i + 2] = heap[dst + 2];
            view[i + 3] = heap[dst + 3];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 16) >> 2);
    }
    GLctx.uniform4fv(GL.uniforms[location], view);
}
function _emscripten_glUniform4i(location, v0, v1, v2, v3) {
    GLctx.uniform4i(GL.uniforms[location], v0, v1, v2, v3);
}
function _emscripten_glUniform4iv(location, count, value) {
    if (count <= 72) {
        var view = __miniTempWebGLIntBuffers[4 * count - 1];
        for (var i = 0; i < 4 * count; i += 4) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
            view[i + 1] = HEAP32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAP32[(value + (4 * i + 8)) >> 2];
            view[i + 3] = HEAP32[(value + (4 * i + 12)) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 16) >> 2);
    }
    GLctx.uniform4iv(GL.uniforms[location], view);
}
function _emscripten_glUniformMatrix2fv(location, count, transpose, value) {
    if (count <= 72) {
        var view = miniTempWebGLFloatBuffers[4 * count - 1];
        for (var i = 0; i < 4 * count; i += 4) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAPF32[(value + (4 * i + 8)) >> 2];
            view[i + 3] = HEAPF32[(value + (4 * i + 12)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 16) >> 2);
    }
    GLctx.uniformMatrix2fv(GL.uniforms[location], !!transpose, view);
}
function _emscripten_glUniformMatrix3fv(location, count, transpose, value) {
    if (count <= 32) {
        var view = miniTempWebGLFloatBuffers[9 * count - 1];
        for (var i = 0; i < 9 * count; i += 9) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAPF32[(value + (4 * i + 8)) >> 2];
            view[i + 3] = HEAPF32[(value + (4 * i + 12)) >> 2];
            view[i + 4] = HEAPF32[(value + (4 * i + 16)) >> 2];
            view[i + 5] = HEAPF32[(value + (4 * i + 20)) >> 2];
            view[i + 6] = HEAPF32[(value + (4 * i + 24)) >> 2];
            view[i + 7] = HEAPF32[(value + (4 * i + 28)) >> 2];
            view[i + 8] = HEAPF32[(value + (4 * i + 32)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 36) >> 2);
    }
    GLctx.uniformMatrix3fv(GL.uniforms[location], !!transpose, view);
}
function _emscripten_glUniformMatrix4fv(location, count, transpose, value) {
    if (count <= 18) {
        var view = miniTempWebGLFloatBuffers[16 * count - 1];
        var heap = HEAPF32;
        value >>= 2;
        for (var i = 0; i < 16 * count; i += 16) {
            var dst = value + i;
            view[i] = heap[dst];
            view[i + 1] = heap[dst + 1];
            view[i + 2] = heap[dst + 2];
            view[i + 3] = heap[dst + 3];
            view[i + 4] = heap[dst + 4];
            view[i + 5] = heap[dst + 5];
            view[i + 6] = heap[dst + 6];
            view[i + 7] = heap[dst + 7];
            view[i + 8] = heap[dst + 8];
            view[i + 9] = heap[dst + 9];
            view[i + 10] = heap[dst + 10];
            view[i + 11] = heap[dst + 11];
            view[i + 12] = heap[dst + 12];
            view[i + 13] = heap[dst + 13];
            view[i + 14] = heap[dst + 14];
            view[i + 15] = heap[dst + 15];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 64) >> 2);
    }
    GLctx.uniformMatrix4fv(GL.uniforms[location], !!transpose, view);
}
function _emscripten_glUseProgram(program) {
    GLctx.useProgram(GL.programs[program]);
}
function _emscripten_glValidateProgram(program) {
    GLctx.validateProgram(GL.programs[program]);
}
function _emscripten_glVertexAttrib1f(x0, x1) {
    GLctx["vertexAttrib1f"](x0, x1);
}
function _emscripten_glVertexAttrib1fv(index, v) {
    GLctx.vertexAttrib1f(index, HEAPF32[v >> 2]);
}
function _emscripten_glVertexAttrib2f(x0, x1, x2) {
    GLctx["vertexAttrib2f"](x0, x1, x2);
}
function _emscripten_glVertexAttrib2fv(index, v) {
    GLctx.vertexAttrib2f(index, HEAPF32[v >> 2], HEAPF32[(v + 4) >> 2]);
}
function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) {
    GLctx["vertexAttrib3f"](x0, x1, x2, x3);
}
function _emscripten_glVertexAttrib3fv(index, v) {
    GLctx.vertexAttrib3f(index, HEAPF32[v >> 2], HEAPF32[(v + 4) >> 2], HEAPF32[(v + 8) >> 2]);
}
function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) {
    GLctx["vertexAttrib4f"](x0, x1, x2, x3, x4);
}
function _emscripten_glVertexAttrib4fv(index, v) {
    GLctx.vertexAttrib4f(index, HEAPF32[v >> 2], HEAPF32[(v + 4) >> 2], HEAPF32[(v + 8) >> 2], HEAPF32[(v + 12) >> 2]);
}
function _emscripten_glVertexAttribDivisorANGLE(index, divisor) {
    GLctx["vertexAttribDivisor"](index, divisor);
}
function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
    GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}
function _emscripten_glViewport(x0, x1, x2, x3) {
    GLctx["viewport"](x0, x1, x2, x3);
}
function _emscripten_has_asyncify() {
    return 0;
}
function _longjmp(env, value) {
    _setThrew(env, value || 1);
    throw "longjmp";
}
function _emscripten_longjmp(a0, a1) {
    return _longjmp(a0, a1);
}
function _emscripten_memcpy_big(dest, src, num) {
    HEAPU8.copyWithin(dest, src, src + num);
}
function __emscripten_do_request_fullscreen(target, strategy) {
    if (!JSEvents.fullscreenEnabled()) return -1;
    target = findEventTarget(target);
    if (!target) return -4;
    if (!target.requestFullscreen && !target.webkitRequestFullscreen) {
        return -3;
    }
    var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
    if (!canPerformRequests) {
        if (strategy.deferUntilInEventHandler) {
            JSEvents.deferCall(_JSEvents_requestFullscreen, 1, [target, strategy]);
            return 1;
        } else {
            return -2;
        }
    }
    return _JSEvents_requestFullscreen(target, strategy);
}
function _emscripten_request_fullscreen_strategy(target, deferUntilInEventHandler, fullscreenStrategy) {
    var strategy = {
        scaleMode: HEAP32[fullscreenStrategy >> 2],
        canvasResolutionScaleMode: HEAP32[(fullscreenStrategy + 4) >> 2],
        filteringMode: HEAP32[(fullscreenStrategy + 8) >> 2],
        deferUntilInEventHandler: deferUntilInEventHandler,
        canvasResizedCallback: HEAP32[(fullscreenStrategy + 12) >> 2],
        canvasResizedCallbackUserData: HEAP32[(fullscreenStrategy + 16) >> 2],
    };
    return __emscripten_do_request_fullscreen(target, strategy);
}
function _emscripten_request_pointerlock(target, deferUntilInEventHandler) {
    target = findEventTarget(target);
    if (!target) return -4;
    if (!target.requestPointerLock && !target.msRequestPointerLock) {
        return -1;
    }
    var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
    if (!canPerformRequests) {
        if (deferUntilInEventHandler) {
            JSEvents.deferCall(__requestPointerLock, 2, [target]);
            return 1;
        } else {
            return -2;
        }
    }
    return __requestPointerLock(target);
}
function abortOnCannotGrowMemory(requestedSize) {
    abort("OOM");
}
function _emscripten_resize_heap(requestedSize) {
    requestedSize = requestedSize >>> 0;
    abortOnCannotGrowMemory(requestedSize);
}
function _emscripten_sample_gamepad_data() {
    return (JSEvents.lastGamepadState = navigator.getGamepads ? navigator.getGamepads() : navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : null) ? 0 : -1;
}
function __registerBeforeUnloadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) {
    var beforeUnloadEventHandlerFunc = function (ev) {
        var e = ev || event;
        var confirmationMessage = wasmTable.get(callbackfunc)(eventTypeId, 0, userData);
        if (confirmationMessage) {
            confirmationMessage = UTF8ToString(confirmationMessage);
        }
        if (confirmationMessage) {
            e.preventDefault();
            e.returnValue = confirmationMessage;
            return confirmationMessage;
        }
    };
    var eventHandler = { target: findEventTarget(target), eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: beforeUnloadEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_beforeunload_callback_on_thread(userData, callbackfunc, targetThread) {
    if (typeof onbeforeunload === "undefined") return -1;
    if (targetThread !== 1) return -5;
    __registerBeforeUnloadEventCallback(2, userData, true, callbackfunc, 28, "beforeunload");
    return 0;
}
function __registerFocusEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc(256);
    var focusEventHandlerFunc = function (ev) {
        var e = ev || event;
        var nodeName = JSEvents.getNodeNameForTarget(e.target);
        var id = e.target.id ? e.target.id : "";
        var focusEvent = JSEvents.focusEvent;
        stringToUTF8(nodeName, focusEvent + 0, 128);
        stringToUTF8(id, focusEvent + 128, 128);
        if (wasmTable.get(callbackfunc)(eventTypeId, focusEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: findEventTarget(target), eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: focusEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
    return 0;
}
function _emscripten_set_element_css_size(target, width, height) {
    target = findEventTarget(target);
    if (!target) return -4;
    target.style.width = width + "px";
    target.style.height = height + "px";
    return 0;
}
function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
    return 0;
}
function __fillFullscreenChangeEventData(eventStruct) {
    var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
    var isFullscreen = !!fullscreenElement;
    HEAP32[eventStruct >> 2] = isFullscreen;
    HEAP32[(eventStruct + 4) >> 2] = JSEvents.fullscreenEnabled();
    var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement;
    var nodeName = JSEvents.getNodeNameForTarget(reportedElement);
    var id = reportedElement && reportedElement.id ? reportedElement.id : "";
    stringToUTF8(nodeName, eventStruct + 8, 128);
    stringToUTF8(id, eventStruct + 136, 128);
    HEAP32[(eventStruct + 264) >> 2] = reportedElement ? reportedElement.clientWidth : 0;
    HEAP32[(eventStruct + 268) >> 2] = reportedElement ? reportedElement.clientHeight : 0;
    HEAP32[(eventStruct + 272) >> 2] = screen.width;
    HEAP32[(eventStruct + 276) >> 2] = screen.height;
    if (isFullscreen) {
        JSEvents.previousFullscreenElement = fullscreenElement;
    }
}
function __registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc(280);
    var fullscreenChangeEventhandlerFunc = function (ev) {
        var e = ev || event;
        var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
        __fillFullscreenChangeEventData(fullscreenChangeEvent);
        if (wasmTable.get(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: fullscreenChangeEventhandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_fullscreenchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    if (!JSEvents.fullscreenEnabled()) return -1;
    target = findEventTarget(target);
    if (!target) return -4;
    __registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread);
    __registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread);
    return 0;
}
function __registerGamepadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.gamepadEvent) JSEvents.gamepadEvent = _malloc(1432);
    var gamepadEventHandlerFunc = function (ev) {
        var e = ev || event;
        var gamepadEvent = JSEvents.gamepadEvent;
        __fillGamepadEventData(gamepadEvent, e["gamepad"]);
        if (wasmTable.get(callbackfunc)(eventTypeId, gamepadEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: findEventTarget(target), allowsDeferredCalls: true, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: gamepadEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_gamepadconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
    if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
    __registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
    return 0;
}
function _emscripten_set_gamepaddisconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
    if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
    __registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread);
    return 0;
}
function __registerKeyEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc(164);
    var keyEventHandlerFunc = function (e) {
        var keyEventData = JSEvents.keyEvent;
        var idx = keyEventData >> 2;
        HEAP32[idx + 0] = e.location;
        HEAP32[idx + 1] = e.ctrlKey;
        HEAP32[idx + 2] = e.shiftKey;
        HEAP32[idx + 3] = e.altKey;
        HEAP32[idx + 4] = e.metaKey;
        HEAP32[idx + 5] = e.repeat;
        HEAP32[idx + 6] = e.charCode;
        HEAP32[idx + 7] = e.keyCode;
        HEAP32[idx + 8] = e.which;
        stringToUTF8(e.key || "", keyEventData + 36, 32);
        stringToUTF8(e.code || "", keyEventData + 68, 32);
        stringToUTF8(e.char || "", keyEventData + 100, 32);
        stringToUTF8(e.locale || "", keyEventData + 132, 32);
        if (wasmTable.get(callbackfunc)(eventTypeId, keyEventData, userData)) e.preventDefault();
    };
    var eventHandler = { target: findEventTarget(target), allowsDeferredCalls: true, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: keyEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
    return 0;
}
function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
    return 0;
}
function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
    return 0;
}
function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop, arg, noSetTiming) {
    var browserIterationFunc = function () {
        wasmTable.get(func)();
    };
    setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming);
}
function __fillMouseEventData(eventStruct, e, target) {
    var idx = eventStruct >> 2;
    HEAP32[idx + 0] = e.screenX;
    HEAP32[idx + 1] = e.screenY;
    HEAP32[idx + 2] = e.clientX;
    HEAP32[idx + 3] = e.clientY;
    HEAP32[idx + 4] = e.ctrlKey;
    HEAP32[idx + 5] = e.shiftKey;
    HEAP32[idx + 6] = e.altKey;
    HEAP32[idx + 7] = e.metaKey;
    HEAP16[idx * 2 + 16] = e.button;
    HEAP16[idx * 2 + 17] = e.buttons;
    HEAP32[idx + 9] = e["movementX"];
    HEAP32[idx + 10] = e["movementY"];
    var rect = __getBoundingClientRect(target);
    HEAP32[idx + 11] = e.clientX - rect.left;
    HEAP32[idx + 12] = e.clientY - rect.top;
}
function __registerMouseEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc(64);
    target = findEventTarget(target);
    var mouseEventHandlerFunc = function (ev) {
        var e = ev || event;
        __fillMouseEventData(JSEvents.mouseEvent, e, target);
        if (wasmTable.get(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
    };
    var eventHandler = {
        target: target,
        allowsDeferredCalls: eventTypeString != "mousemove" && eventTypeString != "mouseenter" && eventTypeString != "mouseleave",
        eventTypeString: eventTypeString,
        callbackfunc: callbackfunc,
        handlerFunc: mouseEventHandlerFunc,
        useCapture: useCapture,
    };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
    return 0;
}
function _emscripten_set_mouseenter_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);
    return 0;
}
function _emscripten_set_mouseleave_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);
    return 0;
}
function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
    return 0;
}
function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
    return 0;
}
function __fillPointerlockChangeEventData(eventStruct) {
    var pointerLockElement = document.pointerLockElement || document.mozPointerLockElement || document.webkitPointerLockElement || document.msPointerLockElement;
    var isPointerlocked = !!pointerLockElement;
    HEAP32[eventStruct >> 2] = isPointerlocked;
    var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement);
    var id = pointerLockElement && pointerLockElement.id ? pointerLockElement.id : "";
    stringToUTF8(nodeName, eventStruct + 4, 128);
    stringToUTF8(id, eventStruct + 132, 128);
}
function __registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc(260);
    var pointerlockChangeEventHandlerFunc = function (ev) {
        var e = ev || event;
        var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
        __fillPointerlockChangeEventData(pointerlockChangeEvent);
        if (wasmTable.get(callbackfunc)(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: pointerlockChangeEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_pointerlockchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    if (!document || !document.body || (!document.body.requestPointerLock && !document.body.mozRequestPointerLock && !document.body.webkitRequestPointerLock && !document.body.msRequestPointerLock)) {
        return -1;
    }
    target = findEventTarget(target);
    if (!target) return -4;
    __registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread);
    __registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mozpointerlockchange", targetThread);
    __registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "webkitpointerlockchange", targetThread);
    __registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mspointerlockchange", targetThread);
    return 0;
}
function __registerUiEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc(36);
    target = findEventTarget(target);
    var uiEventHandlerFunc = function (ev) {
        var e = ev || event;
        if (e.target != target) {
            return;
        }
        var uiEvent = JSEvents.uiEvent;
        var b = document.body;
        HEAP32[uiEvent >> 2] = e.detail;
        HEAP32[(uiEvent + 4) >> 2] = b.clientWidth;
        HEAP32[(uiEvent + 8) >> 2] = b.clientHeight;
        HEAP32[(uiEvent + 12) >> 2] = innerWidth;
        HEAP32[(uiEvent + 16) >> 2] = innerHeight;
        HEAP32[(uiEvent + 20) >> 2] = outerWidth;
        HEAP32[(uiEvent + 24) >> 2] = outerHeight;
        HEAP32[(uiEvent + 28) >> 2] = pageXOffset;
        HEAP32[(uiEvent + 32) >> 2] = pageYOffset;
        if (wasmTable.get(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: uiEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_resize_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
    return 0;
}
function __registerTouchEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.touchEvent) JSEvents.touchEvent = _malloc(1684);
    target = findEventTarget(target);
    var touchEventHandlerFunc = function (e) {
        var touches = {};
        var et = e.touches;
        for (var i = 0; i < et.length; ++i) {
            var touch = et[i];
            touches[touch.identifier] = touch;
        }
        et = e.changedTouches;
        for (var i = 0; i < et.length; ++i) {
            var touch = et[i];
            touch.isChanged = 1;
            touches[touch.identifier] = touch;
        }
        et = e.targetTouches;
        for (var i = 0; i < et.length; ++i) {
            touches[et[i].identifier].onTarget = 1;
        }
        var touchEvent = JSEvents.touchEvent;
        var idx = touchEvent >> 2;
        HEAP32[idx + 1] = e.ctrlKey;
        HEAP32[idx + 2] = e.shiftKey;
        HEAP32[idx + 3] = e.altKey;
        HEAP32[idx + 4] = e.metaKey;
        idx += 5;
        var targetRect = __getBoundingClientRect(target);
        var numTouches = 0;
        for (var i in touches) {
            var t = touches[i];
            HEAP32[idx + 0] = t.identifier;
            HEAP32[idx + 1] = t.screenX;
            HEAP32[idx + 2] = t.screenY;
            HEAP32[idx + 3] = t.clientX;
            HEAP32[idx + 4] = t.clientY;
            HEAP32[idx + 5] = t.pageX;
            HEAP32[idx + 6] = t.pageY;
            HEAP32[idx + 7] = t.isChanged;
            HEAP32[idx + 8] = t.onTarget;
            HEAP32[idx + 9] = t.clientX - targetRect.left;
            HEAP32[idx + 10] = t.clientY - targetRect.top;
            idx += 13;
            if (++numTouches > 31) {
                break;
            }
        }
        HEAP32[touchEvent >> 2] = numTouches;
        if (wasmTable.get(callbackfunc)(eventTypeId, touchEvent, userData)) e.preventDefault();
    };
    var eventHandler = {
        target: target,
        allowsDeferredCalls: eventTypeString == "touchstart" || eventTypeString == "touchend",
        eventTypeString: eventTypeString,
        callbackfunc: callbackfunc,
        handlerFunc: touchEventHandlerFunc,
        useCapture: useCapture,
    };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
    return 0;
}
function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
    return 0;
}
function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
    return 0;
}
function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    __registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
    return 0;
}
function __fillVisibilityChangeEventData(eventStruct) {
    var visibilityStates = ["hidden", "visible", "prerender", "unloaded"];
    var visibilityState = visibilityStates.indexOf(document.visibilityState);
    HEAP32[eventStruct >> 2] = document.hidden;
    HEAP32[(eventStruct + 4) >> 2] = visibilityState;
}
function __registerVisibilityChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.visibilityChangeEvent) JSEvents.visibilityChangeEvent = _malloc(8);
    var visibilityChangeEventHandlerFunc = function (ev) {
        var e = ev || event;
        var visibilityChangeEvent = JSEvents.visibilityChangeEvent;
        __fillVisibilityChangeEventData(visibilityChangeEvent);
        if (wasmTable.get(callbackfunc)(eventTypeId, visibilityChangeEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: visibilityChangeEventHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_visibilitychange_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
    if (!specialHTMLTargets[1]) {
        return -4;
    }
    __registerVisibilityChangeEventCallback(specialHTMLTargets[1], userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread);
    return 0;
}
function __registerWheelEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
    if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc(96);
    var wheelHandlerFunc = function (ev) {
        var e = ev || event;
        var wheelEvent = JSEvents.wheelEvent;
        __fillMouseEventData(wheelEvent, e, target);
        HEAPF64[(wheelEvent + 64) >> 3] = e["deltaX"];
        HEAPF64[(wheelEvent + 72) >> 3] = e["deltaY"];
        HEAPF64[(wheelEvent + 80) >> 3] = e["deltaZ"];
        HEAP32[(wheelEvent + 88) >> 2] = e["deltaMode"];
        if (wasmTable.get(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
    };
    var eventHandler = { target: target, allowsDeferredCalls: true, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: wheelHandlerFunc, useCapture: useCapture };
    JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
    target = findEventTarget(target);
    if (typeof target.onwheel !== "undefined") {
        __registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
        return 0;
    } else {
        return -1;
    }
}
function _emscripten_sleep() {
    throw "Please compile your program with async support in order to use asynchronous operations like emscripten_sleep";
}
var ENV = {};
function getExecutableName() {
    return thisProgram || "./this.program";
}
function getEnvStrings() {
    if (!getEnvStrings.strings) {
        var lang = ((typeof navigator === "object" && navigator.languages && navigator.languages[0]) || "C").replace("-", "_") + ".UTF-8";
        var env = { USER: "web_user", LOGNAME: "web_user", PATH: "/", PWD: "/", HOME: "/home/web_user", LANG: lang, _: getExecutableName() };
        for (var x in ENV) {
            env[x] = ENV[x];
        }
        var strings = [];
        for (var x in env) {
            strings.push(x + "=" + env[x]);
        }
        getEnvStrings.strings = strings;
    }
    return getEnvStrings.strings;
}
function _environ_get(__environ, environ_buf) {
    var bufSize = 0;
    getEnvStrings().forEach(function (string, i) {
        var ptr = environ_buf + bufSize;
        HEAP32[(__environ + i * 4) >> 2] = ptr;
        writeAsciiToMemory(string, ptr);
        bufSize += string.length + 1;
    });
    return 0;
}
function _environ_sizes_get(penviron_count, penviron_buf_size) {
    var strings = getEnvStrings();
    HEAP32[penviron_count >> 2] = strings.length;
    var bufSize = 0;
    strings.forEach(function (string) {
        bufSize += string.length + 1;
    });
    HEAP32[penviron_buf_size >> 2] = bufSize;
    return 0;
}
function _fd_close(fd) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        FS.close(stream);
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return e.errno;
    }
}
function _fd_fdstat_get(fd, pbuf) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
        HEAP8[pbuf >> 0] = type;
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return e.errno;
    }
}
function _fd_read(fd, iov, iovcnt, pnum) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        var num = SYSCALLS.doReadv(stream, iov, iovcnt);
        HEAP32[pnum >> 2] = num;
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return e.errno;
    }
}
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        var HIGH_OFFSET = 4294967296;
        var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
        var DOUBLE_LIMIT = 9007199254740992;
        if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) {
            return -61;
        }
        FS.llseek(stream, offset, whence);
        (tempI64 = [
            stream.position >>> 0,
            ((tempDouble = stream.position),
            +Math_abs(tempDouble) >= 1 ? (tempDouble > 0 ? (Math_min(+Math_floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math_ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0) : 0),
        ]),
            (HEAP32[newOffset >> 2] = tempI64[0]),
            (HEAP32[(newOffset + 4) >> 2] = tempI64[1]);
        if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return e.errno;
    }
}
function _fd_write(fd, iov, iovcnt, pnum) {
    try {
        var stream = SYSCALLS.getStreamFromFD(fd);
        var num = SYSCALLS.doWritev(stream, iov, iovcnt);
        HEAP32[pnum >> 2] = num;
        return 0;
    } catch (e) {
        if (typeof FS === "undefined" || !(e instanceof FS.ErrnoError)) abort(e);
        return e.errno;
    }
}
function _getTempRet0() {
    return getTempRet0() | 0;
}
function _gettimeofday(ptr) {
    var now = Date.now();
    HEAP32[ptr >> 2] = (now / 1e3) | 0;
    HEAP32[(ptr + 4) >> 2] = ((now % 1e3) * 1e3) | 0;
    return 0;
}
function _glActiveTexture(x0) {
    GLctx["activeTexture"](x0);
}
function _glAttachShader(program, shader) {
    GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}
function _glBindAttribLocation(program, index, name) {
    GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}
function _glBindBuffer(target, buffer) {
    GLctx.bindBuffer(target, GL.buffers[buffer]);
}
function _glBindFramebuffer(target, framebuffer) {
    GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}
function _glBindRenderbuffer(target, renderbuffer) {
    GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
}
function _glBindTexture(target, texture) {
    GLctx.bindTexture(target, GL.textures[texture]);
}
function _glBlendEquation(x0) {
    GLctx["blendEquation"](x0);
}
function _glBlendEquationSeparate(x0, x1) {
    GLctx["blendEquationSeparate"](x0, x1);
}
function _glBlendFunc(x0, x1) {
    GLctx["blendFunc"](x0, x1);
}
function _glBlendFuncSeparate(x0, x1, x2, x3) {
    GLctx["blendFuncSeparate"](x0, x1, x2, x3);
}
function _glBufferData(target, size, data, usage) {
    GLctx.bufferData(target, data ? HEAPU8.subarray(data, data + size) : size, usage);
}
function _glCheckFramebufferStatus(x0) {
    return GLctx["checkFramebufferStatus"](x0);
}
function _glClear(x0) {
    GLctx["clear"](x0);
}
function _glClearColor(x0, x1, x2, x3) {
    GLctx["clearColor"](x0, x1, x2, x3);
}
function _glCompileShader(shader) {
    GLctx.compileShader(GL.shaders[shader]);
}
function _glCreateProgram() {
    var id = GL.getNewId(GL.programs);
    var program = GLctx.createProgram();
    program.name = id;
    GL.programs[id] = program;
    return id;
}
function _glCreateShader(shaderType) {
    var id = GL.getNewId(GL.shaders);
    GL.shaders[id] = GLctx.createShader(shaderType);
    return id;
}
function _glDeleteBuffers(n, buffers) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(buffers + i * 4) >> 2];
        var buffer = GL.buffers[id];
        if (!buffer) continue;
        GLctx.deleteBuffer(buffer);
        buffer.name = 0;
        GL.buffers[id] = null;
    }
}
function _glDeleteFramebuffers(n, framebuffers) {
    for (var i = 0; i < n; ++i) {
        var id = HEAP32[(framebuffers + i * 4) >> 2];
        var framebuffer = GL.framebuffers[id];
        if (!framebuffer) continue;
        GLctx.deleteFramebuffer(framebuffer);
        framebuffer.name = 0;
        GL.framebuffers[id] = null;
    }
}
function _glDeleteProgram(id) {
    if (!id) return;
    var program = GL.programs[id];
    if (!program) {
        GL.recordError(1281);
        return;
    }
    GLctx.deleteProgram(program);
    program.name = 0;
    GL.programs[id] = null;
    GL.programInfos[id] = null;
}
function _glDeleteShader(id) {
    if (!id) return;
    var shader = GL.shaders[id];
    if (!shader) {
        GL.recordError(1281);
        return;
    }
    GLctx.deleteShader(shader);
    GL.shaders[id] = null;
}
function _glDeleteTextures(n, textures) {
    for (var i = 0; i < n; i++) {
        var id = HEAP32[(textures + i * 4) >> 2];
        var texture = GL.textures[id];
        if (!texture) continue;
        GLctx.deleteTexture(texture);
        texture.name = 0;
        GL.textures[id] = null;
    }
}
function _glDepthFunc(x0) {
    GLctx["depthFunc"](x0);
}
function _glDepthMask(flag) {
    GLctx.depthMask(!!flag);
}
function _glDetachShader(program, shader) {
    GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}
function _glDisable(x0) {
    GLctx["disable"](x0);
}
function _glDisableVertexAttribArray(index) {
    GLctx.disableVertexAttribArray(index);
}
function _glDrawArrays(mode, first, count) {
    GLctx.drawArrays(mode, first, count);
}
function _glDrawElements(mode, count, type, indices) {
    GLctx.drawElements(mode, count, type, indices);
}
function _glEnable(x0) {
    GLctx["enable"](x0);
}
function _glEnableVertexAttribArray(index) {
    GLctx.enableVertexAttribArray(index);
}
function _glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
    GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
}
function _glFramebufferTexture2D(target, attachment, textarget, texture, level) {
    GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
}
function _glGenBuffers(n, buffers) {
    __glGenObject(n, buffers, "createBuffer", GL.buffers);
}
function _glGenFramebuffers(n, ids) {
    __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
}
function _glGenRenderbuffers(n, renderbuffers) {
    __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
}
function _glGenTextures(n, textures) {
    __glGenObject(n, textures, "createTexture", GL.textures);
}
function _glGenerateMipmap(x0) {
    GLctx["generateMipmap"](x0);
}
function _glGetAttribLocation(program, name) {
    return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}
function _glGetIntegerv(name_, p) {
    emscriptenWebGLGet(name_, p, 0);
}
function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
    var log = GLctx.getProgramInfoLog(GL.programs[program]);
    if (log === null) log = "(unknown error)";
    var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
    if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
}
function _glGetProgramiv(program, pname, p) {
    if (!p) {
        GL.recordError(1281);
        return;
    }
    if (program >= GL.counter) {
        GL.recordError(1281);
        return;
    }
    var ptable = GL.programInfos[program];
    if (!ptable) {
        GL.recordError(1282);
        return;
    }
    if (pname == 35716) {
        var log = GLctx.getProgramInfoLog(GL.programs[program]);
        if (log === null) log = "(unknown error)";
        HEAP32[p >> 2] = log.length + 1;
    } else if (pname == 35719) {
        HEAP32[p >> 2] = ptable.maxUniformLength;
    } else if (pname == 35722) {
        if (ptable.maxAttributeLength == -1) {
            program = GL.programs[program];
            var numAttribs = GLctx.getProgramParameter(program, 35721);
            ptable.maxAttributeLength = 0;
            for (var i = 0; i < numAttribs; ++i) {
                var activeAttrib = GLctx.getActiveAttrib(program, i);
                ptable.maxAttributeLength = Math.max(ptable.maxAttributeLength, activeAttrib.name.length + 1);
            }
        }
        HEAP32[p >> 2] = ptable.maxAttributeLength;
    } else if (pname == 35381) {
        if (ptable.maxUniformBlockNameLength == -1) {
            program = GL.programs[program];
            var numBlocks = GLctx.getProgramParameter(program, 35382);
            ptable.maxUniformBlockNameLength = 0;
            for (var i = 0; i < numBlocks; ++i) {
                var activeBlockName = GLctx.getActiveUniformBlockName(program, i);
                ptable.maxUniformBlockNameLength = Math.max(ptable.maxUniformBlockNameLength, activeBlockName.length + 1);
            }
        }
        HEAP32[p >> 2] = ptable.maxUniformBlockNameLength;
    } else {
        HEAP32[p >> 2] = GLctx.getProgramParameter(GL.programs[program], pname);
    }
}
function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
    var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
    if (log === null) log = "(unknown error)";
    var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
    if (length) HEAP32[length >> 2] = numBytesWrittenExclNull;
}
function _glGetShaderiv(shader, pname, p) {
    if (!p) {
        GL.recordError(1281);
        return;
    }
    if (pname == 35716) {
        var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
        if (log === null) log = "(unknown error)";
        var logLength = log ? log.length + 1 : 0;
        HEAP32[p >> 2] = logLength;
    } else if (pname == 35720) {
        var source = GLctx.getShaderSource(GL.shaders[shader]);
        var sourceLength = source ? source.length + 1 : 0;
        HEAP32[p >> 2] = sourceLength;
    } else {
        HEAP32[p >> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
    }
}
function _glGetString(name_) {
    if (GL.stringCache[name_]) return GL.stringCache[name_];
    var ret;
    switch (name_) {
        case 7939:
            var exts = GLctx.getSupportedExtensions() || [];
            exts = exts.concat(
                exts.map(function (e) {
                    return "GL_" + e;
                })
            );
            ret = stringToNewUTF8(exts.join(" "));
            break;
        case 7936:
        case 7937:
        case 37445:
        case 37446:
            var s = GLctx.getParameter(name_);
            if (!s) {
                GL.recordError(1280);
            }
            ret = stringToNewUTF8(s);
            break;
        case 7938:
            var glVersion = GLctx.getParameter(7938);
            {
                glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
            }
            ret = stringToNewUTF8(glVersion);
            break;
        case 35724:
            var glslVersion = GLctx.getParameter(35724);
            var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
            var ver_num = glslVersion.match(ver_re);
            if (ver_num !== null) {
                if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
                glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
            }
            ret = stringToNewUTF8(glslVersion);
            break;
        default:
            GL.recordError(1280);
            return 0;
    }
    GL.stringCache[name_] = ret;
    return ret;
}
function _glGetTexParameteriv(target, pname, params) {
    if (!params) {
        GL.recordError(1281);
        return;
    }
    HEAP32[params >> 2] = GLctx.getTexParameter(target, pname);
}
function _glGetUniformLocation(program, name) {
    name = UTF8ToString(name);
    var arrayIndex = 0;
    if (name[name.length - 1] == "]") {
        var leftBrace = name.lastIndexOf("[");
        arrayIndex = name[leftBrace + 1] != "]" ? jstoi_q(name.slice(leftBrace + 1)) : 0;
        name = name.slice(0, leftBrace);
    }
    var uniformInfo = GL.programInfos[program] && GL.programInfos[program].uniforms[name];
    if (uniformInfo && arrayIndex >= 0 && arrayIndex < uniformInfo[0]) {
        return uniformInfo[1] + arrayIndex;
    } else {
        return -1;
    }
}
function _glGetUniformfv(program, location, params) {
    emscriptenWebGLGetUniform(program, location, params, 2);
}
function _glGetUniformiv(program, location, params) {
    emscriptenWebGLGetUniform(program, location, params, 0);
}
function _glLineWidth(x0) {
    GLctx["lineWidth"](x0);
}
function _glLinkProgram(program) {
    GLctx.linkProgram(GL.programs[program]);
    GL.populateUniformTable(program);
}
function _glPixelStorei(pname, param) {
    if (pname == 3317) {
        GL.unpackAlignment = param;
    }
    GLctx.pixelStorei(pname, param);
}
function _glReadPixels(x, y, width, height, format, type, pixels) {
    var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
    if (!pixelData) {
        GL.recordError(1280);
        return;
    }
    GLctx.readPixels(x, y, width, height, format, type, pixelData);
}
function _glRenderbufferStorage(x0, x1, x2, x3) {
    GLctx["renderbufferStorage"](x0, x1, x2, x3);
}
function _glScissor(x0, x1, x2, x3) {
    GLctx["scissor"](x0, x1, x2, x3);
}
function _glShaderSource(shader, count, string, length) {
    var source = GL.getSource(shader, count, string, length);
    GLctx.shaderSource(GL.shaders[shader], source);
}
function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
    GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
}
function _glTexParameteri(x0, x1, x2) {
    GLctx["texParameteri"](x0, x1, x2);
}
function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
    var pixelData = null;
    if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
    GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}
function _glUniform1f(location, v0) {
    GLctx.uniform1f(GL.uniforms[location], v0);
}
function _glUniform1fv(location, count, value) {
    if (count <= 288) {
        var view = miniTempWebGLFloatBuffers[count - 1];
        for (var i = 0; i < count; ++i) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 4) >> 2);
    }
    GLctx.uniform1fv(GL.uniforms[location], view);
}
function _glUniform1i(location, v0) {
    GLctx.uniform1i(GL.uniforms[location], v0);
}
function _glUniform1iv(location, count, value) {
    if (count <= 288) {
        var view = __miniTempWebGLIntBuffers[count - 1];
        for (var i = 0; i < count; ++i) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 4) >> 2);
    }
    GLctx.uniform1iv(GL.uniforms[location], view);
}
function _glUniform2fv(location, count, value) {
    if (count <= 144) {
        var view = miniTempWebGLFloatBuffers[2 * count - 1];
        for (var i = 0; i < 2 * count; i += 2) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 8) >> 2);
    }
    GLctx.uniform2fv(GL.uniforms[location], view);
}
function _glUniform2iv(location, count, value) {
    if (count <= 144) {
        var view = __miniTempWebGLIntBuffers[2 * count - 1];
        for (var i = 0; i < 2 * count; i += 2) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
            view[i + 1] = HEAP32[(value + (4 * i + 4)) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 8) >> 2);
    }
    GLctx.uniform2iv(GL.uniforms[location], view);
}
function _glUniform3fv(location, count, value) {
    if (count <= 96) {
        var view = miniTempWebGLFloatBuffers[3 * count - 1];
        for (var i = 0; i < 3 * count; i += 3) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAPF32[(value + (4 * i + 8)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 12) >> 2);
    }
    GLctx.uniform3fv(GL.uniforms[location], view);
}
function _glUniform3iv(location, count, value) {
    if (count <= 96) {
        var view = __miniTempWebGLIntBuffers[3 * count - 1];
        for (var i = 0; i < 3 * count; i += 3) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
            view[i + 1] = HEAP32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAP32[(value + (4 * i + 8)) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 12) >> 2);
    }
    GLctx.uniform3iv(GL.uniforms[location], view);
}
function _glUniform4fv(location, count, value) {
    if (count <= 72) {
        var view = miniTempWebGLFloatBuffers[4 * count - 1];
        var heap = HEAPF32;
        value >>= 2;
        for (var i = 0; i < 4 * count; i += 4) {
            var dst = value + i;
            view[i] = heap[dst];
            view[i + 1] = heap[dst + 1];
            view[i + 2] = heap[dst + 2];
            view[i + 3] = heap[dst + 3];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 16) >> 2);
    }
    GLctx.uniform4fv(GL.uniforms[location], view);
}
function _glUniform4iv(location, count, value) {
    if (count <= 72) {
        var view = __miniTempWebGLIntBuffers[4 * count - 1];
        for (var i = 0; i < 4 * count; i += 4) {
            view[i] = HEAP32[(value + 4 * i) >> 2];
            view[i + 1] = HEAP32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAP32[(value + (4 * i + 8)) >> 2];
            view[i + 3] = HEAP32[(value + (4 * i + 12)) >> 2];
        }
    } else {
        var view = HEAP32.subarray(value >> 2, (value + count * 16) >> 2);
    }
    GLctx.uniform4iv(GL.uniforms[location], view);
}
function _glUniformMatrix2fv(location, count, transpose, value) {
    if (count <= 72) {
        var view = miniTempWebGLFloatBuffers[4 * count - 1];
        for (var i = 0; i < 4 * count; i += 4) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAPF32[(value + (4 * i + 8)) >> 2];
            view[i + 3] = HEAPF32[(value + (4 * i + 12)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 16) >> 2);
    }
    GLctx.uniformMatrix2fv(GL.uniforms[location], !!transpose, view);
}
function _glUniformMatrix3fv(location, count, transpose, value) {
    if (count <= 32) {
        var view = miniTempWebGLFloatBuffers[9 * count - 1];
        for (var i = 0; i < 9 * count; i += 9) {
            view[i] = HEAPF32[(value + 4 * i) >> 2];
            view[i + 1] = HEAPF32[(value + (4 * i + 4)) >> 2];
            view[i + 2] = HEAPF32[(value + (4 * i + 8)) >> 2];
            view[i + 3] = HEAPF32[(value + (4 * i + 12)) >> 2];
            view[i + 4] = HEAPF32[(value + (4 * i + 16)) >> 2];
            view[i + 5] = HEAPF32[(value + (4 * i + 20)) >> 2];
            view[i + 6] = HEAPF32[(value + (4 * i + 24)) >> 2];
            view[i + 7] = HEAPF32[(value + (4 * i + 28)) >> 2];
            view[i + 8] = HEAPF32[(value + (4 * i + 32)) >> 2];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 36) >> 2);
    }
    GLctx.uniformMatrix3fv(GL.uniforms[location], !!transpose, view);
}
function _glUniformMatrix4fv(location, count, transpose, value) {
    if (count <= 18) {
        var view = miniTempWebGLFloatBuffers[16 * count - 1];
        var heap = HEAPF32;
        value >>= 2;
        for (var i = 0; i < 16 * count; i += 16) {
            var dst = value + i;
            view[i] = heap[dst];
            view[i + 1] = heap[dst + 1];
            view[i + 2] = heap[dst + 2];
            view[i + 3] = heap[dst + 3];
            view[i + 4] = heap[dst + 4];
            view[i + 5] = heap[dst + 5];
            view[i + 6] = heap[dst + 6];
            view[i + 7] = heap[dst + 7];
            view[i + 8] = heap[dst + 8];
            view[i + 9] = heap[dst + 9];
            view[i + 10] = heap[dst + 10];
            view[i + 11] = heap[dst + 11];
            view[i + 12] = heap[dst + 12];
            view[i + 13] = heap[dst + 13];
            view[i + 14] = heap[dst + 14];
            view[i + 15] = heap[dst + 15];
        }
    } else {
        var view = HEAPF32.subarray(value >> 2, (value + count * 64) >> 2);
    }
    GLctx.uniformMatrix4fv(GL.uniforms[location], !!transpose, view);
}
function _glUseProgram(program) {
    GLctx.useProgram(GL.programs[program]);
}
function _glVertexAttrib1f(x0, x1) {
    GLctx["vertexAttrib1f"](x0, x1);
}
function _glVertexAttrib2f(x0, x1, x2) {
    GLctx["vertexAttrib2f"](x0, x1, x2);
}
function _glVertexAttrib3f(x0, x1, x2, x3) {
    GLctx["vertexAttrib3f"](x0, x1, x2, x3);
}
function _glVertexAttrib4f(x0, x1, x2, x3, x4) {
    GLctx["vertexAttrib4f"](x0, x1, x2, x3, x4);
}
function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
    GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}
function _glViewport(x0, x1, x2, x3) {
    GLctx["viewport"](x0, x1, x2, x3);
}
function _gmtime_r(time, tmPtr) {
    var date = new Date(HEAP32[time >> 2] * 1e3);
    HEAP32[tmPtr >> 2] = date.getUTCSeconds();
    HEAP32[(tmPtr + 4) >> 2] = date.getUTCMinutes();
    HEAP32[(tmPtr + 8) >> 2] = date.getUTCHours();
    HEAP32[(tmPtr + 12) >> 2] = date.getUTCDate();
    HEAP32[(tmPtr + 16) >> 2] = date.getUTCMonth();
    HEAP32[(tmPtr + 20) >> 2] = date.getUTCFullYear() - 1900;
    HEAP32[(tmPtr + 24) >> 2] = date.getUTCDay();
    HEAP32[(tmPtr + 36) >> 2] = 0;
    HEAP32[(tmPtr + 32) >> 2] = 0;
    var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
    var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
    HEAP32[(tmPtr + 28) >> 2] = yday;
    if (!_gmtime_r.GMTString) _gmtime_r.GMTString = allocateUTF8("GMT");
    HEAP32[(tmPtr + 40) >> 2] = _gmtime_r.GMTString;
    return tmPtr;
}
function _tzset() {
    if (_tzset.called) return;
    _tzset.called = true;
    HEAP32[__get_timezone() >> 2] = new Date().getTimezoneOffset() * 60;
    var currentYear = new Date().getFullYear();
    var winter = new Date(currentYear, 0, 1);
    var summer = new Date(currentYear, 6, 1);
    HEAP32[__get_daylight() >> 2] = Number(winter.getTimezoneOffset() != summer.getTimezoneOffset());
    function extractZone(date) {
        var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
        return match ? match[1] : "GMT";
    }
    var winterName = extractZone(winter);
    var summerName = extractZone(summer);
    var winterNamePtr = allocateUTF8(winterName);
    var summerNamePtr = allocateUTF8(summerName);
    if (summer.getTimezoneOffset() < winter.getTimezoneOffset()) {
        HEAP32[__get_tzname() >> 2] = winterNamePtr;
        HEAP32[(__get_tzname() + 4) >> 2] = summerNamePtr;
    } else {
        HEAP32[__get_tzname() >> 2] = summerNamePtr;
        HEAP32[(__get_tzname() + 4) >> 2] = winterNamePtr;
    }
}
function _localtime_r(time, tmPtr) {
    _tzset();
    var date = new Date(HEAP32[time >> 2] * 1e3);
    HEAP32[tmPtr >> 2] = date.getSeconds();
    HEAP32[(tmPtr + 4) >> 2] = date.getMinutes();
    HEAP32[(tmPtr + 8) >> 2] = date.getHours();
    HEAP32[(tmPtr + 12) >> 2] = date.getDate();
    HEAP32[(tmPtr + 16) >> 2] = date.getMonth();
    HEAP32[(tmPtr + 20) >> 2] = date.getFullYear() - 1900;
    HEAP32[(tmPtr + 24) >> 2] = date.getDay();
    var start = new Date(date.getFullYear(), 0, 1);
    var yday = ((date.getTime() - start.getTime()) / (1e3 * 60 * 60 * 24)) | 0;
    HEAP32[(tmPtr + 28) >> 2] = yday;
    HEAP32[(tmPtr + 36) >> 2] = -(date.getTimezoneOffset() * 60);
    var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
    var winterOffset = start.getTimezoneOffset();
    var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
    HEAP32[(tmPtr + 32) >> 2] = dst;
    var zonePtr = HEAP32[(__get_tzname() + (dst ? 4 : 0)) >> 2];
    HEAP32[(tmPtr + 40) >> 2] = zonePtr;
    return tmPtr;
}
function _mktime(tmPtr) {
    _tzset();
    var date = new Date(HEAP32[(tmPtr + 20) >> 2] + 1900, HEAP32[(tmPtr + 16) >> 2], HEAP32[(tmPtr + 12) >> 2], HEAP32[(tmPtr + 8) >> 2], HEAP32[(tmPtr + 4) >> 2], HEAP32[tmPtr >> 2], 0);
    var dst = HEAP32[(tmPtr + 32) >> 2];
    var guessedOffset = date.getTimezoneOffset();
    var start = new Date(date.getFullYear(), 0, 1);
    var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
    var winterOffset = start.getTimezoneOffset();
    var dstOffset = Math.min(winterOffset, summerOffset);
    if (dst < 0) {
        HEAP32[(tmPtr + 32) >> 2] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
    } else if (dst > 0 != (dstOffset == guessedOffset)) {
        var nonDstOffset = Math.max(winterOffset, summerOffset);
        var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
        date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
    }
    HEAP32[(tmPtr + 24) >> 2] = date.getDay();
    var yday = ((date.getTime() - start.getTime()) / (1e3 * 60 * 60 * 24)) | 0;
    HEAP32[(tmPtr + 28) >> 2] = yday;
    return (date.getTime() / 1e3) | 0;
}
function _usleep(useconds) {
    var start = _emscripten_get_now();
    while (_emscripten_get_now() - start < useconds / 1e3) {}
}
function _nanosleep(rqtp, rmtp) {
    if (rqtp === 0) {
        setErrNo(28);
        return -1;
    }
    var seconds = HEAP32[rqtp >> 2];
    var nanoseconds = HEAP32[(rqtp + 4) >> 2];
    if (nanoseconds < 0 || nanoseconds > 999999999 || seconds < 0) {
        setErrNo(28);
        return -1;
    }
    if (rmtp !== 0) {
        HEAP32[rmtp >> 2] = 0;
        HEAP32[(rmtp + 4) >> 2] = 0;
    }
    return _usleep(seconds * 1e6 + nanoseconds / 1e3);
}
function _setTempRet0($i) {
    setTempRet0($i | 0);
}
function _sigaction(signum, act, oldact) {
    return 0;
}
var __sigalrm_handler = 0;
function _signal(sig, func) {
    if (sig == 14) {
        __sigalrm_handler = func;
    } else {
    }
    return 0;
}
function __isLeapYear(year) {
    return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
}
function __arraySum(array, index) {
    var sum = 0;
    for (var i = 0; i <= index; sum += array[i++]) {}
    return sum;
}
var __MONTH_DAYS_LEAP = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
var __MONTH_DAYS_REGULAR = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
function __addDays(date, days) {
    var newDate = new Date(date.getTime());
    while (days > 0) {
        var leap = __isLeapYear(newDate.getFullYear());
        var currentMonth = newDate.getMonth();
        var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
        if (days > daysInCurrentMonth - newDate.getDate()) {
            days -= daysInCurrentMonth - newDate.getDate() + 1;
            newDate.setDate(1);
            if (currentMonth < 11) {
                newDate.setMonth(currentMonth + 1);
            } else {
                newDate.setMonth(0);
                newDate.setFullYear(newDate.getFullYear() + 1);
            }
        } else {
            newDate.setDate(newDate.getDate() + days);
            return newDate;
        }
    }
    return newDate;
}
function _strftime(s, maxsize, format, tm) {
    var tm_zone = HEAP32[(tm + 40) >> 2];
    var date = {
        tm_sec: HEAP32[tm >> 2],
        tm_min: HEAP32[(tm + 4) >> 2],
        tm_hour: HEAP32[(tm + 8) >> 2],
        tm_mday: HEAP32[(tm + 12) >> 2],
        tm_mon: HEAP32[(tm + 16) >> 2],
        tm_year: HEAP32[(tm + 20) >> 2],
        tm_wday: HEAP32[(tm + 24) >> 2],
        tm_yday: HEAP32[(tm + 28) >> 2],
        tm_isdst: HEAP32[(tm + 32) >> 2],
        tm_gmtoff: HEAP32[(tm + 36) >> 2],
        tm_zone: tm_zone ? UTF8ToString(tm_zone) : "",
    };
    var pattern = UTF8ToString(format);
    var EXPANSION_RULES_1 = {
        "%c": "%a %b %d %H:%M:%S %Y",
        "%D": "%m/%d/%y",
        "%F": "%Y-%m-%d",
        "%h": "%b",
        "%r": "%I:%M:%S %p",
        "%R": "%H:%M",
        "%T": "%H:%M:%S",
        "%x": "%m/%d/%y",
        "%X": "%H:%M:%S",
        "%Ec": "%c",
        "%EC": "%C",
        "%Ex": "%m/%d/%y",
        "%EX": "%H:%M:%S",
        "%Ey": "%y",
        "%EY": "%Y",
        "%Od": "%d",
        "%Oe": "%e",
        "%OH": "%H",
        "%OI": "%I",
        "%Om": "%m",
        "%OM": "%M",
        "%OS": "%S",
        "%Ou": "%u",
        "%OU": "%U",
        "%OV": "%V",
        "%Ow": "%w",
        "%OW": "%W",
        "%Oy": "%y",
    };
    for (var rule in EXPANSION_RULES_1) {
        pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
    }
    var WEEKDAYS = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
    var MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
    function leadingSomething(value, digits, character) {
        var str = typeof value === "number" ? value.toString() : value || "";
        while (str.length < digits) {
            str = character[0] + str;
        }
        return str;
    }
    function leadingNulls(value, digits) {
        return leadingSomething(value, digits, "0");
    }
    function compareByDay(date1, date2) {
        function sgn(value) {
            return value < 0 ? -1 : value > 0 ? 1 : 0;
        }
        var compare;
        if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
            if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
                compare = sgn(date1.getDate() - date2.getDate());
            }
        }
        return compare;
    }
    function getFirstWeekStartDate(janFourth) {
        switch (janFourth.getDay()) {
            case 0:
                return new Date(janFourth.getFullYear() - 1, 11, 29);
            case 1:
                return janFourth;
            case 2:
                return new Date(janFourth.getFullYear(), 0, 3);
            case 3:
                return new Date(janFourth.getFullYear(), 0, 2);
            case 4:
                return new Date(janFourth.getFullYear(), 0, 1);
            case 5:
                return new Date(janFourth.getFullYear() - 1, 11, 31);
            case 6:
                return new Date(janFourth.getFullYear() - 1, 11, 30);
        }
    }
    function getWeekBasedYear(date) {
        var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
        var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
        var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
        var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
        var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
        if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
            if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
                return thisDate.getFullYear() + 1;
            } else {
                return thisDate.getFullYear();
            }
        } else {
            return thisDate.getFullYear() - 1;
        }
    }
    var EXPANSION_RULES_2 = {
        "%a": function (date) {
            return WEEKDAYS[date.tm_wday].substring(0, 3);
        },
        "%A": function (date) {
            return WEEKDAYS[date.tm_wday];
        },
        "%b": function (date) {
            return MONTHS[date.tm_mon].substring(0, 3);
        },
        "%B": function (date) {
            return MONTHS[date.tm_mon];
        },
        "%C": function (date) {
            var year = date.tm_year + 1900;
            return leadingNulls((year / 100) | 0, 2);
        },
        "%d": function (date) {
            return leadingNulls(date.tm_mday, 2);
        },
        "%e": function (date) {
            return leadingSomething(date.tm_mday, 2, " ");
        },
        "%g": function (date) {
            return getWeekBasedYear(date).toString().substring(2);
        },
        "%G": function (date) {
            return getWeekBasedYear(date);
        },
        "%H": function (date) {
            return leadingNulls(date.tm_hour, 2);
        },
        "%I": function (date) {
            var twelveHour = date.tm_hour;
            if (twelveHour == 0) twelveHour = 12;
            else if (twelveHour > 12) twelveHour -= 12;
            return leadingNulls(twelveHour, 2);
        },
        "%j": function (date) {
            return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
        },
        "%m": function (date) {
            return leadingNulls(date.tm_mon + 1, 2);
        },
        "%M": function (date) {
            return leadingNulls(date.tm_min, 2);
        },
        "%n": function () {
            return "\n";
        },
        "%p": function (date) {
            if (date.tm_hour >= 0 && date.tm_hour < 12) {
                return "AM";
            } else {
                return "PM";
            }
        },
        "%S": function (date) {
            return leadingNulls(date.tm_sec, 2);
        },
        "%t": function () {
            return "\t";
        },
        "%u": function (date) {
            return date.tm_wday || 7;
        },
        "%U": function (date) {
            var janFirst = new Date(date.tm_year + 1900, 0, 1);
            var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7 - janFirst.getDay());
            var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
            if (compareByDay(firstSunday, endDate) < 0) {
                var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
                var firstSundayUntilEndJanuary = 31 - firstSunday.getDate();
                var days = firstSundayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
                return leadingNulls(Math.ceil(days / 7), 2);
            }
            return compareByDay(firstSunday, janFirst) === 0 ? "01" : "00";
        },
        "%V": function (date) {
            var janFourthThisYear = new Date(date.tm_year + 1900, 0, 4);
            var janFourthNextYear = new Date(date.tm_year + 1901, 0, 4);
            var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
            var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
            var endDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
            if (compareByDay(endDate, firstWeekStartThisYear) < 0) {
                return "53";
            }
            if (compareByDay(firstWeekStartNextYear, endDate) <= 0) {
                return "01";
            }
            var daysDifference;
            if (firstWeekStartThisYear.getFullYear() < date.tm_year + 1900) {
                daysDifference = date.tm_yday + 32 - firstWeekStartThisYear.getDate();
            } else {
                daysDifference = date.tm_yday + 1 - firstWeekStartThisYear.getDate();
            }
            return leadingNulls(Math.ceil(daysDifference / 7), 2);
        },
        "%w": function (date) {
            return date.tm_wday;
        },
        "%W": function (date) {
            var janFirst = new Date(date.tm_year, 0, 1);
            var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7 - janFirst.getDay() + 1);
            var endDate = new Date(date.tm_year + 1900, date.tm_mon, date.tm_mday);
            if (compareByDay(firstMonday, endDate) < 0) {
                var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth() - 1) - 31;
                var firstMondayUntilEndJanuary = 31 - firstMonday.getDate();
                var days = firstMondayUntilEndJanuary + februaryFirstUntilEndMonth + endDate.getDate();
                return leadingNulls(Math.ceil(days / 7), 2);
            }
            return compareByDay(firstMonday, janFirst) === 0 ? "01" : "00";
        },
        "%y": function (date) {
            return (date.tm_year + 1900).toString().substring(2);
        },
        "%Y": function (date) {
            return date.tm_year + 1900;
        },
        "%z": function (date) {
            var off = date.tm_gmtoff;
            var ahead = off >= 0;
            off = Math.abs(off) / 60;
            off = (off / 60) * 100 + (off % 60);
            return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
        },
        "%Z": function (date) {
            return date.tm_zone;
        },
        "%%": function () {
            return "%";
        },
    };
    for (var rule in EXPANSION_RULES_2) {
        if (pattern.indexOf(rule) >= 0) {
            pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
        }
    }
    var bytes = intArrayFromString(pattern, false);
    if (bytes.length > maxsize) {
        return 0;
    }
    writeArrayToMemory(bytes, s);
    return bytes.length - 1;
}
function _strptime(buf, format, tm) {
    var pattern = UTF8ToString(format);
    var SPECIAL_CHARS = "\\!@#$^&*()+=-[]/{}|:<>?,.";
    for (var i = 0, ii = SPECIAL_CHARS.length; i < ii; ++i) {
        pattern = pattern.replace(new RegExp("\\" + SPECIAL_CHARS[i], "g"), "\\" + SPECIAL_CHARS[i]);
    }
    var EQUIVALENT_MATCHERS = {
        "%A": "%a",
        "%B": "%b",
        "%c": "%a %b %d %H:%M:%S %Y",
        "%D": "%m\\/%d\\/%y",
        "%e": "%d",
        "%F": "%Y-%m-%d",
        "%h": "%b",
        "%R": "%H\\:%M",
        "%r": "%I\\:%M\\:%S\\s%p",
        "%T": "%H\\:%M\\:%S",
        "%x": "%m\\/%d\\/(?:%y|%Y)",
        "%X": "%H\\:%M\\:%S",
    };
    for (var matcher in EQUIVALENT_MATCHERS) {
        pattern = pattern.replace(matcher, EQUIVALENT_MATCHERS[matcher]);
    }
    var DATE_PATTERNS = {
        "%a": "(?:Sun(?:day)?)|(?:Mon(?:day)?)|(?:Tue(?:sday)?)|(?:Wed(?:nesday)?)|(?:Thu(?:rsday)?)|(?:Fri(?:day)?)|(?:Sat(?:urday)?)",
        "%b": "(?:Jan(?:uary)?)|(?:Feb(?:ruary)?)|(?:Mar(?:ch)?)|(?:Apr(?:il)?)|May|(?:Jun(?:e)?)|(?:Jul(?:y)?)|(?:Aug(?:ust)?)|(?:Sep(?:tember)?)|(?:Oct(?:ober)?)|(?:Nov(?:ember)?)|(?:Dec(?:ember)?)",
        "%C": "\\d\\d",
        "%d": "0[1-9]|[1-9](?!\\d)|1\\d|2\\d|30|31",
        "%H": "\\d(?!\\d)|[0,1]\\d|20|21|22|23",
        "%I": "\\d(?!\\d)|0\\d|10|11|12",
        "%j": "00[1-9]|0?[1-9](?!\\d)|0?[1-9]\\d(?!\\d)|[1,2]\\d\\d|3[0-6]\\d",
        "%m": "0[1-9]|[1-9](?!\\d)|10|11|12",
        "%M": "0\\d|\\d(?!\\d)|[1-5]\\d",
        "%n": "\\s",
        "%p": "AM|am|PM|pm|A\\.M\\.|a\\.m\\.|P\\.M\\.|p\\.m\\.",
        "%S": "0\\d|\\d(?!\\d)|[1-5]\\d|60",
        "%U": "0\\d|\\d(?!\\d)|[1-4]\\d|50|51|52|53",
        "%W": "0\\d|\\d(?!\\d)|[1-4]\\d|50|51|52|53",
        "%w": "[0-6]",
        "%y": "\\d\\d",
        "%Y": "\\d\\d\\d\\d",
        "%%": "%",
        "%t": "\\s",
    };
    var MONTH_NUMBERS = { JAN: 0, FEB: 1, MAR: 2, APR: 3, MAY: 4, JUN: 5, JUL: 6, AUG: 7, SEP: 8, OCT: 9, NOV: 10, DEC: 11 };
    var DAY_NUMBERS_SUN_FIRST = { SUN: 0, MON: 1, TUE: 2, WED: 3, THU: 4, FRI: 5, SAT: 6 };
    var DAY_NUMBERS_MON_FIRST = { MON: 0, TUE: 1, WED: 2, THU: 3, FRI: 4, SAT: 5, SUN: 6 };
    for (var datePattern in DATE_PATTERNS) {
        pattern = pattern.replace(datePattern, "(" + datePattern + DATE_PATTERNS[datePattern] + ")");
    }
    var capture = [];
    for (var i = pattern.indexOf("%"); i >= 0; i = pattern.indexOf("%")) {
        capture.push(pattern[i + 1]);
        pattern = pattern.replace(new RegExp("\\%" + pattern[i + 1], "g"), "");
    }
    var matches = new RegExp("^" + pattern, "i").exec(UTF8ToString(buf));
    function initDate() {
        function fixup(value, min, max) {
            return typeof value !== "number" || isNaN(value) ? min : value >= min ? (value <= max ? value : max) : min;
        }
        return {
            year: fixup(HEAP32[(tm + 20) >> 2] + 1900, 1970, 9999),
            month: fixup(HEAP32[(tm + 16) >> 2], 0, 11),
            day: fixup(HEAP32[(tm + 12) >> 2], 1, 31),
            hour: fixup(HEAP32[(tm + 8) >> 2], 0, 23),
            min: fixup(HEAP32[(tm + 4) >> 2], 0, 59),
            sec: fixup(HEAP32[tm >> 2], 0, 59),
        };
    }
    if (matches) {
        var date = initDate();
        var value;
        var getMatch = function (symbol) {
            var pos = capture.indexOf(symbol);
            if (pos >= 0) {
                return matches[pos + 1];
            }
            return;
        };
        if ((value = getMatch("S"))) {
            date.sec = jstoi_q(value);
        }
        if ((value = getMatch("M"))) {
            date.min = jstoi_q(value);
        }
        if ((value = getMatch("H"))) {
            date.hour = jstoi_q(value);
        } else if ((value = getMatch("I"))) {
            var hour = jstoi_q(value);
            if ((value = getMatch("p"))) {
                hour += value.toUpperCase()[0] === "P" ? 12 : 0;
            }
            date.hour = hour;
        }
        if ((value = getMatch("Y"))) {
            date.year = jstoi_q(value);
        } else if ((value = getMatch("y"))) {
            var year = jstoi_q(value);
            if ((value = getMatch("C"))) {
                year += jstoi_q(value) * 100;
            } else {
                year += year < 69 ? 2e3 : 1900;
            }
            date.year = year;
        }
        if ((value = getMatch("m"))) {
            date.month = jstoi_q(value) - 1;
        } else if ((value = getMatch("b"))) {
            date.month = MONTH_NUMBERS[value.substring(0, 3).toUpperCase()] || 0;
        }
        if ((value = getMatch("d"))) {
            date.day = jstoi_q(value);
        } else if ((value = getMatch("j"))) {
            var day = jstoi_q(value);
            var leapYear = __isLeapYear(date.year);
            for (var month = 0; month < 12; ++month) {
                var daysUntilMonth = __arraySum(leapYear ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, month - 1);
                if (day <= daysUntilMonth + (leapYear ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[month]) {
                    date.day = day - daysUntilMonth;
                }
            }
        } else if ((value = getMatch("a"))) {
            var weekDay = value.substring(0, 3).toUpperCase();
            if ((value = getMatch("U"))) {
                var weekDayNumber = DAY_NUMBERS_SUN_FIRST[weekDay];
                var weekNumber = jstoi_q(value);
                var janFirst = new Date(date.year, 0, 1);
                var endDate;
                if (janFirst.getDay() === 0) {
                    endDate = __addDays(janFirst, weekDayNumber + 7 * (weekNumber - 1));
                } else {
                    endDate = __addDays(janFirst, 7 - janFirst.getDay() + weekDayNumber + 7 * (weekNumber - 1));
                }
                date.day = endDate.getDate();
                date.month = endDate.getMonth();
            } else if ((value = getMatch("W"))) {
                var weekDayNumber = DAY_NUMBERS_MON_FIRST[weekDay];
                var weekNumber = jstoi_q(value);
                var janFirst = new Date(date.year, 0, 1);
                var endDate;
                if (janFirst.getDay() === 1) {
                    endDate = __addDays(janFirst, weekDayNumber + 7 * (weekNumber - 1));
                } else {
                    endDate = __addDays(janFirst, 7 - janFirst.getDay() + 1 + weekDayNumber + 7 * (weekNumber - 1));
                }
                date.day = endDate.getDate();
                date.month = endDate.getMonth();
            }
        }
        var fullDate = new Date(date.year, date.month, date.day, date.hour, date.min, date.sec, 0);
        HEAP32[tm >> 2] = fullDate.getSeconds();
        HEAP32[(tm + 4) >> 2] = fullDate.getMinutes();
        HEAP32[(tm + 8) >> 2] = fullDate.getHours();
        HEAP32[(tm + 12) >> 2] = fullDate.getDate();
        HEAP32[(tm + 16) >> 2] = fullDate.getMonth();
        HEAP32[(tm + 20) >> 2] = fullDate.getFullYear() - 1900;
        HEAP32[(tm + 24) >> 2] = fullDate.getDay();
        HEAP32[(tm + 28) >> 2] = __arraySum(__isLeapYear(fullDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, fullDate.getMonth() - 1) + fullDate.getDate() - 1;
        HEAP32[(tm + 32) >> 2] = 0;
        return buf + intArrayFromString(matches[0]).length - 1;
    }
    return 0;
}
function _time(ptr) {
    var ret = (Date.now() / 1e3) | 0;
    if (ptr) {
        HEAP32[ptr >> 2] = ret;
    }
    return ret;
}
var readAsmConstArgsArray = [];
function readAsmConstArgs(sigPtr, buf) {
    readAsmConstArgsArray.length = 0;
    var ch;
    buf >>= 2;
    while ((ch = HEAPU8[sigPtr++])) {
        var double = ch < 105;
        if (double && buf & 1) buf++;
        readAsmConstArgsArray.push(double ? HEAPF64[buf++ >> 1] : HEAP32[buf]);
        ++buf;
    }
    return readAsmConstArgsArray;
}
var FSNode = function (parent, name, mode, rdev) {
    if (!parent) {
        parent = this;
    }
    this.parent = parent;
    this.mount = parent.mount;
    this.mounted = null;
    this.id = FS.nextInode++;
    this.name = name;
    this.mode = mode;
    this.node_ops = {};
    this.stream_ops = {};
    this.rdev = rdev;
};
var readMode = 292 | 73;
var writeMode = 146;
Object.defineProperties(FSNode.prototype, {
    read: {
        get: function () {
            return (this.mode & readMode) === readMode;
        },
        set: function (val) {
            val ? (this.mode |= readMode) : (this.mode &= ~readMode);
        },
    },
    write: {
        get: function () {
            return (this.mode & writeMode) === writeMode;
        },
        set: function (val) {
            val ? (this.mode |= writeMode) : (this.mode &= ~writeMode);
        },
    },
    isFolder: {
        get: function () {
            return FS.isDir(this.mode);
        },
    },
    isDevice: {
        get: function () {
            return FS.isChrdev(this.mode);
        },
    },
});
FS.FSNode = FSNode;
FS.staticInit();
Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) {
    Browser.requestFullscreen(lockPointer, resizeCanvas);
};
Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) {
    Browser.requestAnimationFrame(func);
};
Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) {
    Browser.setCanvasSize(width, height, noUpdates);
};
Module["pauseMainLoop"] = function Module_pauseMainLoop() {
    Browser.mainLoop.pause();
};
Module["resumeMainLoop"] = function Module_resumeMainLoop() {
    Browser.mainLoop.resume();
};
Module["getUserMedia"] = function Module_getUserMedia() {
    Browser.getUserMedia();
};
Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) {
    return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);
};
var GLctx;
for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));
var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
for (var i = 0; i < 288; ++i) {
    miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i + 1);
}
var __miniTempWebGLIntBuffersStorage = new Int32Array(288);
for (var i = 0; i < 288; ++i) {
    __miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i + 1);
}
function intArrayFromString(stringy, dontAddNull, length) {
    var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
    var u8array = new Array(len);
    var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
    if (dontAddNull) u8array.length = numBytesWritten;
    return u8array;
}
__ATINIT__.push({
    func: function () {
        ___wasm_call_ctors();
    },
});
var asmLibraryArg = {
    b: wasmTable,
    Xe: ___sys_chmod,
    Pe: ___sys_dup2,
    Qe: ___sys_dup3,
    M: ___sys_fcntl64,
    Ve: ___sys_fstat64,
    We: ___sys_getdents64,
    Te: ___sys_ioctl,
    Ye: ___sys_mkdir,
    O: ___sys_open,
    Ue: ___sys_readlink,
    ma: ___sys_rmdir,
    na: ___sys_stat64,
    Se: ___sys_unlink,
    A: _abort,
    X: _clock,
    v: _clock_gettime,
    yf: _difftime,
    $e: _dlclose,
    pf: _eglBindAPI,
    tf: _eglChooseConfig,
    ff: _eglCreateContext,
    hf: _eglCreateWindowSurface,
    gf: _eglDestroyContext,
    jf: _eglDestroySurface,
    uf: _eglGetConfigAttrib,
    Na: _eglGetDisplay,
    ef: _eglGetError,
    qf: _eglGetProcAddress,
    rf: _eglInitialize,
    kf: _eglMakeCurrent,
    df: _eglQueryString,
    lf: _eglSwapBuffers,
    mf: _eglSwapInterval,
    sf: _eglTerminate,
    of: _eglWaitGL,
    nf: _eglWaitNative,
    e: _emscripten_asm_const_int,
    sb: _emscripten_cancel_main_loop,
    af: _emscripten_exit_fullscreen,
    cf: _emscripten_exit_pointerlock,
    D: _emscripten_get_device_pixel_ratio,
    q: _emscripten_get_element_css_size,
    qa: _emscripten_get_gamepad_status,
    ga: _emscripten_get_now,
    _e: _emscripten_get_num_gamepads,
    oe: _emscripten_glActiveTexture,
    ne: _emscripten_glAttachShader,
    Fe: _emscripten_glBeginQueryEXT,
    le: _emscripten_glBindAttribLocation,
    ke: _emscripten_glBindBuffer,
    je: _emscripten_glBindFramebuffer,
    ie: _emscripten_glBindRenderbuffer,
    he: _emscripten_glBindTexture,
    we: _emscripten_glBindVertexArrayOES,
    ge: _emscripten_glBlendColor,
    fe: _emscripten_glBlendEquation,
    ee: _emscripten_glBlendEquationSeparate,
    de: _emscripten_glBlendFunc,
    ce: _emscripten_glBlendFuncSeparate,
    ae: _emscripten_glBufferData,
    $d: _emscripten_glBufferSubData,
    _d: _emscripten_glCheckFramebufferStatus,
    Zd: _emscripten_glClear,
    Yd: _emscripten_glClearColor,
    Xd: _emscripten_glClearDepthf,
    Wd: _emscripten_glClearStencil,
    Vd: _emscripten_glColorMask,
    Ud: _emscripten_glCompileShader,
    Td: _emscripten_glCompressedTexImage2D,
    Sd: _emscripten_glCompressedTexSubImage2D,
    Rd: _emscripten_glCopyTexImage2D,
    Qd: _emscripten_glCopyTexSubImage2D,
    Pd: _emscripten_glCreateProgram,
    Od: _emscripten_glCreateShader,
    Nd: _emscripten_glCullFace,
    Md: _emscripten_glDeleteBuffers,
    Ld: _emscripten_glDeleteFramebuffers,
    Kd: _emscripten_glDeleteProgram,
    He: _emscripten_glDeleteQueriesEXT,
    Jd: _emscripten_glDeleteRenderbuffers,
    Id: _emscripten_glDeleteShader,
    Hd: _emscripten_glDeleteTextures,
    ve: _emscripten_glDeleteVertexArraysOES,
    Gd: _emscripten_glDepthFunc,
    Fd: _emscripten_glDepthMask,
    Ed: _emscripten_glDepthRangef,
    Dd: _emscripten_glDetachShader,
    Cd: _emscripten_glDisable,
    Bd: _emscripten_glDisableVertexAttribArray,
    Ad: _emscripten_glDrawArrays,
    re: _emscripten_glDrawArraysInstancedANGLE,
    se: _emscripten_glDrawBuffersWEBGL,
    zd: _emscripten_glDrawElements,
    qe: _emscripten_glDrawElementsInstancedANGLE,
    yd: _emscripten_glEnable,
    xd: _emscripten_glEnableVertexAttribArray,
    Ee: _emscripten_glEndQueryEXT,
    wd: _emscripten_glFinish,
    vd: _emscripten_glFlush,
    ud: _emscripten_glFramebufferRenderbuffer,
    td: _emscripten_glFramebufferTexture2D,
    sd: _emscripten_glFrontFace,
    rd: _emscripten_glGenBuffers,
    pd: _emscripten_glGenFramebuffers,
    Je: _emscripten_glGenQueriesEXT,
    od: _emscripten_glGenRenderbuffers,
    nd: _emscripten_glGenTextures,
    ue: _emscripten_glGenVertexArraysOES,
    qd: _emscripten_glGenerateMipmap,
    md: _emscripten_glGetActiveAttrib,
    ld: _emscripten_glGetActiveUniform,
    kd: _emscripten_glGetAttachedShaders,
    jd: _emscripten_glGetAttribLocation,
    id: _emscripten_glGetBooleanv,
    hd: _emscripten_glGetBufferParameteriv,
    gd: _emscripten_glGetError,
    fd: _emscripten_glGetFloatv,
    ed: _emscripten_glGetFramebufferAttachmentParameteriv,
    dd: _emscripten_glGetIntegerv,
    bd: _emscripten_glGetProgramInfoLog,
    cd: _emscripten_glGetProgramiv,
    ze: _emscripten_glGetQueryObjecti64vEXT,
    Be: _emscripten_glGetQueryObjectivEXT,
    ye: _emscripten_glGetQueryObjectui64vEXT,
    Ae: _emscripten_glGetQueryObjectuivEXT,
    Ce: _emscripten_glGetQueryivEXT,
    ad: _emscripten_glGetRenderbufferParameteriv,
    _c: _emscripten_glGetShaderInfoLog,
    Zc: _emscripten_glGetShaderPrecisionFormat,
    Yc: _emscripten_glGetShaderSource,
    $c: _emscripten_glGetShaderiv,
    Xc: _emscripten_glGetString,
    Wc: _emscripten_glGetTexParameterfv,
    Vc: _emscripten_glGetTexParameteriv,
    Sc: _emscripten_glGetUniformLocation,
    Uc: _emscripten_glGetUniformfv,
    Tc: _emscripten_glGetUniformiv,
    Pc: _emscripten_glGetVertexAttribPointerv,
    Rc: _emscripten_glGetVertexAttribfv,
    Qc: _emscripten_glGetVertexAttribiv,
    Oc: _emscripten_glHint,
    Nc: _emscripten_glIsBuffer,
    Mc: _emscripten_glIsEnabled,
    Lc: _emscripten_glIsFramebuffer,
    Kc: _emscripten_glIsProgram,
    Ge: _emscripten_glIsQueryEXT,
    Jc: _emscripten_glIsRenderbuffer,
    Ic: _emscripten_glIsShader,
    Hc: _emscripten_glIsTexture,
    te: _emscripten_glIsVertexArrayOES,
    Gc: _emscripten_glLineWidth,
    Fc: _emscripten_glLinkProgram,
    Ec: _emscripten_glPixelStorei,
    Dc: _emscripten_glPolygonOffset,
    De: _emscripten_glQueryCounterEXT,
    Bc: _emscripten_glReadPixels,
    Ac: _emscripten_glReleaseShaderCompiler,
    zc: _emscripten_glRenderbufferStorage,
    yc: _emscripten_glSampleCoverage,
    xc: _emscripten_glScissor,
    wc: _emscripten_glShaderBinary,
    vc: _emscripten_glShaderSource,
    uc: _emscripten_glStencilFunc,
    tc: _emscripten_glStencilFuncSeparate,
    sc: _emscripten_glStencilMask,
    rc: _emscripten_glStencilMaskSeparate,
    qc: _emscripten_glStencilOp,
    pc: _emscripten_glStencilOpSeparate,
    oc: _emscripten_glTexImage2D,
    nc: _emscripten_glTexParameterf,
    mc: _emscripten_glTexParameterfv,
    lc: _emscripten_glTexParameteri,
    kc: _emscripten_glTexParameteriv,
    jc: _emscripten_glTexSubImage2D,
    ic: _emscripten_glUniform1f,
    hc: _emscripten_glUniform1fv,
    gc: _emscripten_glUniform1i,
    fc: _emscripten_glUniform1iv,
    ec: _emscripten_glUniform2f,
    dc: _emscripten_glUniform2fv,
    cc: _emscripten_glUniform2i,
    bc: _emscripten_glUniform2iv,
    ac: _emscripten_glUniform3f,
    $b: _emscripten_glUniform3fv,
    _b: _emscripten_glUniform3i,
    Yb: _emscripten_glUniform3iv,
    Xb: _emscripten_glUniform4f,
    Wb: _emscripten_glUniform4fv,
    Vb: _emscripten_glUniform4i,
    Ub: _emscripten_glUniform4iv,
    Tb: _emscripten_glUniformMatrix2fv,
    Sb: _emscripten_glUniformMatrix3fv,
    Rb: _emscripten_glUniformMatrix4fv,
    Qb: _emscripten_glUseProgram,
    Pb: _emscripten_glValidateProgram,
    Nb: _emscripten_glVertexAttrib1f,
    Mb: _emscripten_glVertexAttrib1fv,
    Lb: _emscripten_glVertexAttrib2f,
    Kb: _emscripten_glVertexAttrib2fv,
    Jb: _emscripten_glVertexAttrib3f,
    Ib: _emscripten_glVertexAttrib3fv,
    Hb: _emscripten_glVertexAttrib4f,
    Gb: _emscripten_glVertexAttrib4fv,
    pe: _emscripten_glVertexAttribDivisorANGLE,
    Fb: _emscripten_glVertexAttribPointer,
    Eb: _emscripten_glViewport,
    R: _emscripten_has_asyncify,
    f: _emscripten_longjmp,
    Ke: _emscripten_memcpy_big,
    bf: _emscripten_request_fullscreen_strategy,
    Ma: _emscripten_request_pointerlock,
    Le: _emscripten_resize_heap,
    ra: _emscripten_sample_gamepad_data,
    sa: _emscripten_set_beforeunload_callback_on_thread,
    Ea: _emscripten_set_blur_callback_on_thread,
    z: _emscripten_set_canvas_element_size,
    P: _emscripten_set_element_css_size,
    Fa: _emscripten_set_focus_callback_on_thread,
    va: _emscripten_set_fullscreenchange_callback_on_thread,
    pa: _emscripten_set_gamepadconnected_callback_on_thread,
    oa: _emscripten_set_gamepaddisconnected_callback_on_thread,
    ya: _emscripten_set_keydown_callback_on_thread,
    wa: _emscripten_set_keypress_callback_on_thread,
    xa: _emscripten_set_keyup_callback_on_thread,
    Qa: _emscripten_set_main_loop,
    zb: _emscripten_set_main_loop_timing,
    Ka: _emscripten_set_mousedown_callback_on_thread,
    Ia: _emscripten_set_mouseenter_callback_on_thread,
    Ha: _emscripten_set_mouseleave_callback_on_thread,
    La: _emscripten_set_mousemove_callback_on_thread,
    Ja: _emscripten_set_mouseup_callback_on_thread,
    za: _emscripten_set_pointerlockchange_callback_on_thread,
    ua: _emscripten_set_resize_callback_on_thread,
    Aa: _emscripten_set_touchcancel_callback_on_thread,
    Ca: _emscripten_set_touchend_callback_on_thread,
    Ba: _emscripten_set_touchmove_callback_on_thread,
    Da: _emscripten_set_touchstart_callback_on_thread,
    ta: _emscripten_set_visibilitychange_callback_on_thread,
    Ga: _emscripten_set_wheel_callback_on_thread,
    Q: _emscripten_sleep,
    Ne: _environ_get,
    Oe: _environ_sizes_get,
    u: _fd_close,
    Me: _fd_fdstat_get,
    Re: _fd_read,
    Db: _fd_seek,
    la: _fd_write,
    c: _getTempRet0,
    r: _gettimeofday,
    ba: _glActiveTexture,
    wb: _glAttachShader,
    Bb: _glBindAttribLocation,
    g: _glBindBuffer,
    cb: _glBindFramebuffer,
    xe: _glBindRenderbuffer,
    C: _glBindTexture,
    ab: _glBlendEquation,
    $a: _glBlendEquationSeparate,
    $: _glBlendFunc,
    bb: _glBlendFuncSeparate,
    m: _glBufferData,
    L: _glCheckFramebufferStatus,
    Oa: _glClear,
    Y: _glClearColor,
    Va: _glCompileShader,
    Cb: _glCreateProgram,
    Xa: _glCreateShader,
    F: _glDeleteBuffers,
    ka: _glDeleteFramebuffers,
    ea: _glDeleteProgram,
    da: _glDeleteShader,
    ja: _glDeleteTextures,
    Ya: _glDepthFunc,
    N: _glDepthMask,
    vb: _glDetachShader,
    s: _glDisable,
    k: _glDisableVertexAttribArray,
    Cc: _glDrawArrays,
    K: _glDrawElements,
    y: _glEnable,
    l: _glEnableVertexAttribArray,
    be: _glFramebufferRenderbuffer,
    ha: _glFramebufferTexture2D,
    S: _glGenBuffers,
    ia: _glGenFramebuffers,
    Ie: _glGenRenderbuffers,
    Za: _glGenTextures,
    Zb: _glGenerateMipmap,
    ub: _glGetAttribLocation,
    hb: _glGetIntegerv,
    xb: _glGetProgramInfoLog,
    yb: _glGetProgramiv,
    Ta: _glGetShaderInfoLog,
    Ua: _glGetShaderiv,
    G: _glGetString,
    Ob: _glGetTexParameteriv,
    tb: _glGetUniformLocation,
    mb: _glGetUniformfv,
    rb: _glGetUniformiv,
    db: _glLineWidth,
    Ab: _glLinkProgram,
    B: _glPixelStorei,
    fa: _glReadPixels,
    me: _glRenderbufferStorage,
    Z: _glScissor,
    Wa: _glShaderSource,
    _a: _glTexImage2D,
    j: _glTexParameteri,
    _: _glTexSubImage2D,
    lb: _glUniform1f,
    kb: _glUniform1fv,
    ca: _glUniform1i,
    qb: _glUniform1iv,
    jb: _glUniform2fv,
    pb: _glUniform2iv,
    ib: _glUniform3fv,
    ob: _glUniform3iv,
    gb: _glUniform4fv,
    nb: _glUniform4iv,
    fb: _glUniformMatrix2fv,
    eb: _glUniformMatrix3fv,
    aa: _glUniformMatrix4fv,
    T: _glUseProgram,
    t: _glVertexAttrib1f,
    J: _glVertexAttrib2f,
    I: _glVertexAttrib3f,
    H: _glVertexAttrib4f,
    i: _glVertexAttribPointer,
    Pa: _glViewport,
    Af: _gmtime_r,
    h: invoke_ii,
    x: invoke_iii,
    W: invoke_iiii,
    Sa: invoke_iiiiii,
    w: invoke_vi,
    n: invoke_vii,
    Bf: invoke_viii,
    E: invoke_viiii,
    V: invoke_viiiii,
    Ra: invoke_viiiiii,
    Df: invoke_viiiiiii,
    Cf: invoke_viiiiiiii,
    zf: _localtime_r,
    a: wasmMemory,
    U: _mktime,
    Ze: _nanosleep,
    d: _setTempRet0,
    p: _sigaction,
    vf: _signal,
    wf: _strftime,
    xf: _strptime,
    o: _time,
};
var asm = createWasm();
var ___wasm_call_ctors = (Module["___wasm_call_ctors"] = function () {
    return (___wasm_call_ctors = Module["___wasm_call_ctors"] = Module["asm"]["Ef"]).apply(null, arguments);
});
var _main = (Module["_main"] = function () {
    return (_main = Module["_main"] = Module["asm"]["Ff"]).apply(null, arguments);
});
var _malloc = (Module["_malloc"] = function () {
    return (_malloc = Module["_malloc"] = Module["asm"]["Gf"]).apply(null, arguments);
});
var _free = (Module["_free"] = function () {
    return (_free = Module["_free"] = Module["asm"]["Hf"]).apply(null, arguments);
});
var ___errno_location = (Module["___errno_location"] = function () {
    return (___errno_location = Module["___errno_location"] = Module["asm"]["If"]).apply(null, arguments);
});
var _emscripten_GetProcAddress = (Module["_emscripten_GetProcAddress"] = function () {
    return (_emscripten_GetProcAddress = Module["_emscripten_GetProcAddress"] = Module["asm"]["Jf"]).apply(null, arguments);
});
var __get_tzname = (Module["__get_tzname"] = function () {
    return (__get_tzname = Module["__get_tzname"] = Module["asm"]["Kf"]).apply(null, arguments);
});
var __get_daylight = (Module["__get_daylight"] = function () {
    return (__get_daylight = Module["__get_daylight"] = Module["asm"]["Lf"]).apply(null, arguments);
});
var __get_timezone = (Module["__get_timezone"] = function () {
    return (__get_timezone = Module["__get_timezone"] = Module["asm"]["Mf"]).apply(null, arguments);
});
var _setThrew = (Module["_setThrew"] = function () {
    return (_setThrew = Module["_setThrew"] = Module["asm"]["Nf"]).apply(null, arguments);
});
var stackSave = (Module["stackSave"] = function () {
    return (stackSave = Module["stackSave"] = Module["asm"]["Of"]).apply(null, arguments);
});
var stackRestore = (Module["stackRestore"] = function () {
    return (stackRestore = Module["stackRestore"] = Module["asm"]["Pf"]).apply(null, arguments);
});
var stackAlloc = (Module["stackAlloc"] = function () {
    return (stackAlloc = Module["stackAlloc"] = Module["asm"]["Qf"]).apply(null, arguments);
});
var dynCall_j = (Module["dynCall_j"] = function () {
    return (dynCall_j = Module["dynCall_j"] = Module["asm"]["Rf"]).apply(null, arguments);
});
var dynCall_jiji = (Module["dynCall_jiji"] = function () {
    return (dynCall_jiji = Module["dynCall_jiji"] = Module["asm"]["Sf"]).apply(null, arguments);
});
var dynCall_ji = (Module["dynCall_ji"] = function () {
    return (dynCall_ji = Module["dynCall_ji"] = Module["asm"]["Tf"]).apply(null, arguments);
});
function invoke_vii(index, a1, a2) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_iiiiii(index, a1, a2, a3, a4, a5) {
    var sp = stackSave();
    try {
        return wasmTable.get(index)(a1, a2, a3, a4, a5);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_iiii(index, a1, a2, a3) {
    var sp = stackSave();
    try {
        return wasmTable.get(index)(a1, a2, a3);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_iii(index, a1, a2) {
    var sp = stackSave();
    try {
        return wasmTable.get(index)(a1, a2);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_viiii(index, a1, a2, a3, a4) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2, a3, a4);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_ii(index, a1) {
    var sp = stackSave();
    try {
        return wasmTable.get(index)(a1);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_vi(index, a1) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_viiiii(index, a1, a2, a3, a4, a5) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2, a3, a4, a5);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_viiiiii(index, a1, a2, a3, a4, a5, a6) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2, a3, a4, a5, a6);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2, a3, a4, a5, a6, a7);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_viiiiiiii(index, a1, a2, a3, a4, a5, a6, a7, a8) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2, a3, a4, a5, a6, a7, a8);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
function invoke_viii(index, a1, a2, a3) {
    var sp = stackSave();
    try {
        wasmTable.get(index)(a1, a2, a3);
    } catch (e) {
        stackRestore(sp);
        if (e !== e + 0 && e !== "longjmp") throw e;
        _setThrew(1, 0);
    }
}
var calledRun;
function ExitStatus(status) {
    this.name = "ExitStatus";
    this.message = "Program terminated with exit(" + status + ")";
    this.status = status;
}
var calledMain = false;
dependenciesFulfilled = function runCaller() {
    if (!calledRun) run();
    if (!calledRun) dependenciesFulfilled = runCaller;
};
function callMain(args) {
    var entryFunction = Module["_main"];
    args = args || [];
    var argc = args.length + 1;
    var argv = stackAlloc((argc + 1) * 4);
    HEAP32[argv >> 2] = allocateUTF8OnStack(thisProgram);
    for (var i = 1; i < argc; i++) {
        HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]);
    }
    HEAP32[(argv >> 2) + argc] = 0;
    try {
        var ret = entryFunction(argc, argv);
        exit(ret, true);
    } catch (e) {
        if (e instanceof ExitStatus) {
            return;
        } else if (e == "unwind") {
            noExitRuntime = true;
            return;
        } else {
            var toLog = e;
            if (e && typeof e === "object" && e.stack) {
                toLog = [e, e.stack];
            }
            err("exception thrown: " + toLog);
            quit_(1, e);
        }
    } finally {
        calledMain = true;
    }
}
function run(args) {
    args = args || arguments_;
    if (runDependencies > 0) {
        return;
    }
    preRun();
    if (runDependencies > 0) return;
    function doRun() {
        if (calledRun) return;
        calledRun = true;
        Module["calledRun"] = true;
        if (ABORT) return;
        initRuntime();
        preMain();
        if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
        if (shouldRunNow) callMain(args);
        postRun();
    }
    if (Module["setStatus"]) {
        Module["setStatus"]("Running...");
        setTimeout(function () {
            setTimeout(function () {
                Module["setStatus"]("");
            }, 1);
            doRun();
        }, 1);
    } else {
        doRun();
    }
}
Module["run"] = run;
function exit(status, implicit) {
    if (implicit && noExitRuntime && status === 0) {
        return;
    }
    if (noExitRuntime) {
    } else {
        EXITSTATUS = status;
        exitRuntime();
        if (Module["onExit"]) Module["onExit"](status);
        ABORT = true;
    }
    quit_(status, new ExitStatus(status));
}
if (Module["preInit"]) {
    if (typeof Module["preInit"] == "function") Module["preInit"] = [Module["preInit"]];
    while (Module["preInit"].length > 0) {
        Module["preInit"].pop()();
    }
}
var shouldRunNow = true;
if (Module["noInitialRun"]) shouldRunNow = false;
noExitRuntime = true;
run();