game_executable_patcher.html

<h1>GIANTS Engine game executable patcher</h1>
<hr>
<div id="container_fontRenderer">
	<h2>Farming Simulator 2008/2009/2011/2013, Demolition Company & Ski Region Simulator 2012 FontRenderer Scaling Patch:</h1>
	<table><thead>
		<tr>
			<td align='right'><b>Executable:</b></td>
			<td><input type="file" id="fileInput_fontRenderer"/><br></td>
		</tr>
		<tr>
			<td align='right'><b>Screen width (e.g 1920):</b></td>
			<td><input type="text" id="width_fontRenderer" value="640"></td>
		</tr>
		<tr>
			<td align='right'><b>Screen height (e.g 1080):</b></td>
			<td><input type="text" id="height_fontRenderer" value="480"></td>
		</tr>
		<tr>
			<td></td>
			<td><button id="patch_fontRenderer" disabled>Patch (FarmingSimulator(2008|2009|2011|2013)|DemolitionCompany|SkiRegionSimulator2012)game.exe</button></td>
		</tr>
	</thead></table>
	<br>
</div>
<hr>
<div id="container_CRC">
	<h2>Farming Simulator 2011 dataS.gar CRC Patch:</h1>
	<table><thead>
		<tr>
			<td align='right'><b>Executable:</b></td>
			<td><input type="file" id="fileInput_CRC"/><br></td>
		</tr>
		<tr>
			<td></td>
			<td><button id="patch_CRC" disabled>Patch (FarmingSimulator2011)game.exe</button></td>
		</tr>
	</thead></table>
	<br>
</div>
<hr>
<div id="container_DLC">
	<h2>Farming Simulator 2011/2013, Demolition Company & Ski Region Simulator 2012 DLC Patch:</h1>
	<table><thead>
		<tr>
			<td align='right'><b>Executable:</b></td>
			<td><input type="file" id="fileInput_DLC"/><br></td>
		</tr>
		<tr>
			<td></td>
			<td><button id="patch_DLC" disabled>Patch (FarmingSimulator(2011|2013)|DemolitionCompany|SkiRegionSimulator2012)game.exe</button></td>
	</tr>
	</thead></table>
<br>
</div>
<hr>

<a href="http://biskupova.televiziastb.sk/">Morc</a> @ <a href="http://370.network">370network</a> & <a href="https://komeo.xyz/ls2009mods">LS 2009 Mods Archive</a>



<script>
// GIANTS Engine Patcher
// second revision of a javascript based patcher
// Richard Gráčik @ 370network (morc@370.network)
// LS Mods Community (https://komeo.xyz/ls2009mods)
// 29.01.2025 - initial patcher, LS2009 FontRenderer scaling patch
// 30.01.2025 - LS2011 dataS.gar CRC check patch
// 31.01.2025 - LS2011/SRS2012 DLC patch
// 05.02.2025 - DC DLC patch
// 06.02.2025 - LS2013 64bit FontRenderer patch, LS2013 64bit DLC patch

function hex(inputArray)
{
	var hexString = '';
	for (var i = 0; i < inputArray.length; i++) {
	  hexString += inputArray[i].toString(16).toUpperCase();
	}
	return hexString;
}

function findBytes(buffer, sequence) {
	for (var i = 0; i < buffer.length - sequence.length + 1; i++) {
		var match = true;
		for (let j = 0; j < sequence.length; j++) {
			if (buffer[i + j] !== sequence[j]) {
				match = false;
				break;
			}
		}
		if (match)
			return i;
	}
	return -1;
}

document.getElementById("fileInput_fontRenderer").addEventListener("change", (event) => {
	var file = event.target.files[0];
	var reader = new FileReader();

	reader.onload = (e) => {
		var arrayBuffer = e.target.result;
		var gameExecutable = new Uint8Array(arrayBuffer);
	
		var patchButton = document.getElementById("patch_fontRenderer");
		var widthInput = document.getElementById("width_fontRenderer");
		var heightInput = document.getElementById("height_fontRenderer");
		
		patchButton.disabled = false;
		patchButton.onclick = () => {
			var widthOffset0811 = findBytes(gameExecutable, [0xC7, 0x06, 0x80, 0x02, 0x00, 0x00]);
			var heightOffset0811 = findBytes(gameExecutable, [0xC7, 0x46, 0x04, 0xE0, 0x01, 0x00, 0x00]);
			
			var widthOffset13_32bit = findBytes(gameExecutable, [0xC7, 0x03, 0x80, 0x02, 0x00, 0x00]);
			var heightOffset13_32bit = findBytes(gameExecutable, [0xC7, 0x43, 0x04, 0xE0, 0x01, 0x00, 0x00]);

			var widthOffset13_64bit = findBytes(gameExecutable, [0xC7, 0x07, 0x80, 0x02, 0x00, 0x00]);
			var heightOffset13_64bit = findBytes(gameExecutable, [0xC7, 0x47, 0x04, 0xE0, 0x01, 0x00, 0x00]);
			
			var game = "";
			
			if (widthOffset0811 != -1 && heightOffset0811 != -1)
			{
				var widthPatchBase = [0xC7, 0x06];
				var heightPatchBase = [0xC7, 0x46, 0x04];
				var widthOffset = widthOffset0811;
				var heightOffset = heightOffset0811;
				game = "LS2008-2011,DC,SRS2012";
			}
			else if (widthOffset13_32bit != -1 && heightOffset13_32bit != -1)
			{
				var widthPatchBase = [0xC7, 0x03];
				var heightPatchBase = [0xC7, 0x43, 0x04];
				var widthOffset = widthOffset13_32bit;
				var heightOffset = heightOffset13_32bit;
				game = "LS2013_32bit";
			}
			else if (widthOffset13_64bit != -1 && heightOffset13_64bit != -1)
			{
				var widthPatchBase = [0xC7, 0x07];
				var heightPatchBase = [0xC7, 0x47, 0x04];
				var widthOffset = widthOffset13_64bit;
				var heightOffset = heightOffset13_64bit;
				game = "LS2013_64bit";
			}
		
			if (game == "")
				alert(`Failed to find offsets, is your game executable already patched?`);
			else
			{
				var widthPatchRes = [(widthInput.value >> 24) & 0xFF,(widthInput.value >> 16) & 0xFF, (widthInput.value >> 8) & 0xFF, widthInput.value & 0xFF];
				var heightPatchRes = [(heightInput.value >> 24) & 0xFF,(heightInput.value >> 16) & 0xFF, (heightInput.value >> 8) & 0xFF, heightInput.value & 0xFF];
				
				var widthPatch = widthPatchBase.concat(widthPatchRes.reverse());
				var heightPatch = heightPatchBase.concat(heightPatchRes.reverse());
				
				for (var i = 0; i < widthPatch.length; i++) {
					gameExecutable[widthOffset + i] = widthPatch[i];
				}
				for (var i = 0; i < heightPatch.length; i++) {
					gameExecutable[heightOffset + i] = heightPatch[i];
				}
				
				var patchedExecutable = new Blob([gameExecutable], { type: file.type });
	
				var link = document.createElement("a");
				link.textContent = "Click here if the patched executable didn't start downloading";
				link.href = URL.createObjectURL(patchedExecutable);
				link.download = `patched_${file.name}`;
				document.getElementById("container_fontRenderer").appendChild(link);
				link.click();
			
				alert(`Found game: ${game}\nNew computed width: ${hex(widthPatchRes)}\nNew computed height: ${hex(heightPatchRes)}\nFontRenderer_00: ${widthOffset}\nFontRenderer_04: ${heightOffset}\nSuccess!`);
			}
			
		};
	};

	reader.readAsArrayBuffer(file);
});

document.getElementById("fileInput_CRC").addEventListener("change", (event) => {
	var file = event.target.files[0];
	var reader = new FileReader();

	reader.onload = (e) => {
		var arrayBuffer = e.target.result;
		var gameExecutable = new Uint8Array(arrayBuffer);
	
		var patchButton = document.getElementById("patch_CRC");
		
		patchButton.disabled = false;
		patchButton.onclick = () => {
			var crcOffset = findBytes(gameExecutable, [0x68, 0xC0, 0x86, 0x5F, 0x00, 0x53]);
		
			if (crcOffset == -1)
				alert(`Failed to find offsets, is your game executable already patched?`);
			else
			{
				
				for (var i = 0; i < 0x15; i++) {
					gameExecutable[crcOffset + i] = 0x90;
				}
				
				var patchedExecutable = new Blob([gameExecutable], { type: file.type });
	
				var link = document.createElement("a");
				link.textContent = "Click here if the patched executable didn't start downloading";
				link.href = URL.createObjectURL(patchedExecutable);
				link.download = `patched_${file.name}`;
				document.getElementById("container_CRC").appendChild(link);
				link.click();
			
				alert(`CopyProtection_00: ${crcOffset}\nSuccess!`);
			}
			
		};
	};

	reader.readAsArrayBuffer(file);
});

document.getElementById("fileInput_DLC").addEventListener("change", (event) => {
	var file = event.target.files[0];
	var reader = new FileReader();

	reader.onload = (e) => {
		var arrayBuffer = e.target.result;
		var gameExecutable = new Uint8Array(arrayBuffer);
	
		var patchButton = document.getElementById("patch_DLC");
		
		patchButton.disabled = false;
		patchButton.onclick = () => {
			var LSSRSdlcOffset = findBytes(gameExecutable, [0x88, 0x5E, 0x44, 0x89, 0x5E, 0x48, 0x89, 0x5E, 0x4C]);
			var DCdlcOffset = findBytes(gameExecutable, [0xF0, 0xFF, 0x88, 0x5E, 0x44]);
			var LS201332bitdlcOffset = findBytes(gameExecutable, [0xC6, 0x46, 0x44, 0x00, 0xC7]);
			var LS201364bitdlcOffset = findBytes(gameExecutable, [0xC6, 0x44, 0x24, 0x60, 0x00]);

			
			var game = "";
			
			if (LSSRSdlcOffset != -1)
			{
				var dlcPatch = [0x88, 0x4E, 0x44, 0x89, 0x4E, 0x48, 0x89, 0x4E, 0x4C];
				var dlcOffset = LSSRSdlcOffset;
				game = "LS2011,SRS2012";
			}
			else if (DCdlcOffset != -1)
			{
				var dlcPatch = [0xF0, 0xFF, 0x88, 0x4E, 0x44];
				var dlcOffset = DCdlcOffset;
				game = "DC";
			}
			else if (LS201332bitdlcOffset != -1)
			{
				var dlcPatch = [0xC6, 0x46, 0x44, 0xFF, 0xC7];
				var dlcOffset = LS201332bitdlcOffset;
				game = "LS2013_32bit";
			}
			else if (LS201364bitdlcOffset != -1)
			{
				var dlcPatch = [0xC6, 0x44, 0x24, 0x60, 0xFF];
				var dlcOffset = LS201364bitdlcOffset;
				game = "LS2013_64bit";
			}
		
			if (game == "")
				alert(`Failed to find offsets, is your game executable already patched?`);
			else
			{
				for (var i = 0; i < dlcPatch.length; i++) {
					gameExecutable[dlcOffset + i] = dlcPatch[i];
				}
				
				var patchedExecutable = new Blob([gameExecutable], { type: file.type });
	
				var link = document.createElement("a");
				link.textContent = "Click here if the patched executable didn't start downloading";
				link.href = URL.createObjectURL(patchedExecutable);
				link.download = `patched_${file.name}`;
				document.getElementById("container_DLC").appendChild(link);
				link.click();
			
				alert(`Found game: ${game}\nActivation_00: ${dlcOffset}\nSuccess!`);
			}
			
		};
	};

	reader.readAsArrayBuffer(file);
});
</script>