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feat: download and extract default resourcePack for use in other plug…
…ins (#77) * feat: download and extract default resourcePack for use in other plugins * refactor: use Bukkit#getMinecraftVersion for check, extract only when called on * feat: more useful ResourcePacks api methods
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idofront-catalog-shaded/src/main/java/com/mineinabyss/idofront/IdofrontPlugin.kt
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| @@ -1,6 +1,9 @@ | ||
| package com.mineinabyss.idofront | ||
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| import com.mineinabyss.idofront.resourcepacks.MinecraftAssetExtractor | ||
| import org.bukkit.Bukkit | ||
| import org.bukkit.plugin.java.JavaPlugin | ||
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| class IdofrontPlugin : JavaPlugin() { | ||
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| } |
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...nt-util/src/main/kotlin/com/mineinabyss/idofront/resourcepacks/MinecraftAssetExtractor.kt
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| package com.mineinabyss.idofront.resourcepacks | ||
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| import com.google.gson.JsonObject | ||
| import com.google.gson.JsonParser | ||
| import com.mineinabyss.idofront.messaging.idofrontLogger | ||
| import org.bukkit.Bukkit | ||
| import java.io.ByteArrayInputStream | ||
| import java.io.File | ||
| import java.io.FileOutputStream | ||
| import java.net.URI | ||
| import java.util.zip.ZipEntry | ||
| import java.util.zip.ZipInputStream | ||
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| object MinecraftAssetExtractor { | ||
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| private const val VERSION_MANIFEST_URL = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json" | ||
| val assetPath = Bukkit.getPluginsFolder().resolve("Idofront/assetCache/${Bukkit.getMinecraftVersion()}") | ||
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| fun extractLatest() { | ||
| idofrontLogger.i("Extracting latest vanilla-assets...") | ||
| val versionInfo = runCatching { | ||
| downloadJson(findVersionInfoUrl() ?: return)?.asJsonObject | ||
| }.getOrNull() ?: return | ||
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| val clientJar = downloadClientJar(versionInfo) | ||
| extractJarAssets(clientJar, assetPath) | ||
| idofrontLogger.s("Finished extracting vanilla assets for ${assetPath.name}") | ||
| } | ||
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| private fun extractJarAssets(clientJar: ByteArray?, assetPath: File) { | ||
| var entry: ZipEntry | ||
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| ByteArrayInputStream(clientJar).use { inputStream -> | ||
| ZipInputStream(inputStream).use { zipInputStream -> | ||
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| kotlin.runCatching { | ||
| while (zipInputStream.nextEntry.also { entry = it } != null) { | ||
| if (!entry.name.startsWith("assets/")) continue | ||
| if (entry.name.startsWith("assets/minecraft/shaders")) continue | ||
| if (entry.name.startsWith("assets/minecraft/particles")) continue | ||
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| val file = checkAndCreateFile(assetPath, entry) | ||
| if (entry.isDirectory && !file.isDirectory && !file.mkdirs()) | ||
| error("Failed to create directory ${entry.name}") | ||
| else { | ||
| val parent = file.parentFile | ||
| if (!parent.isDirectory && !parent.mkdirs()) error("Failed to create directory ${parent?.path}") | ||
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| runCatching { | ||
| zipInputStream.copyTo(FileOutputStream(file)) | ||
| }.onFailure { | ||
| error("Failed to extract ${entry.name} from ${parent?.path}") | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private fun checkAndCreateFile(assetPath: File, entry: ZipEntry): File { | ||
| val destFile = assetPath.resolve(entry.name) | ||
| val dirPath = assetPath.canonicalPath | ||
| val filePath = destFile.canonicalPath | ||
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| if (!filePath.startsWith(dirPath + File.separator)) error("Entry outside target: ${entry.name}") | ||
| return destFile | ||
| } | ||
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| private fun downloadClientJar(versionInfo: JsonObject) = runCatching { | ||
| val url = versionInfo.getAsJsonObject("downloads").getAsJsonObject("client").get("url").asString | ||
| URI(url).toURL().readBytes() | ||
| }.onFailure { it.printStackTrace() }.getOrNull() ?: error("Failed to download client JAR") | ||
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| private fun findVersionInfoUrl(): String? { | ||
| val version = Bukkit.getMinecraftVersion() | ||
| if (!assetPath.mkdirs()) { | ||
| idofrontLogger.i("Latest has already been extracted for $version, skipping...") | ||
| return null | ||
| } | ||
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| val manifest = runCatching { | ||
| downloadJson(VERSION_MANIFEST_URL) | ||
| }.getOrNull() ?: error("Failed to download version manifest") | ||
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| return manifest.getAsJsonArray("versions").firstOrNull { | ||
| (it as? JsonObject)?.get("id")?.asString?.equals(version) ?: false | ||
| }?.asJsonObject?.get("url")?.asString ?: error("Failed to find version inof url for version $version") | ||
| } | ||
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| private fun downloadJson(url: String) = runCatching { JsonParser.parseString(URI.create(url).toURL().readText()) } | ||
| .getOrNull()?.takeIf { it.isJsonObject }?.asJsonObject | ||
| } |
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