mirror of
https://github.com/eaglerforge/EaglerForgeInjector
synced 2025-07-23 06:01:38 -09:00
267 lines
9.5 KiB
HTML
267 lines
9.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>EaglerForge Injector</title>
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<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
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<style>
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button {
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border: 2px solid black;
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border-radius: 8px;
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background-color: transparent;
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padding: 8px 10px;
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}
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button:active {
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border: 2px solid black;
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border-radius: 8px;
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background-color: rgba(0, 0, 0, 0.2);
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padding: 8px 10px;
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}
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</style>
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</head>
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<body>
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<h1>EaglerForge Injector</h1>
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<h4>
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Adds ModAPI with more functionality (adds hooking into functions, exposes
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all classes, etc) to unminified unobfuscated EaglercraftX builds.
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</h4>
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<br />
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<input type="file" accept=".html,.js" /><br /><br />
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<button id="giveme">Make modded build</button>
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<script src="filesaver.min.js"></script>
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<script>
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var modapi_preinit = `globalThis.ModAPI ||= {};
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ModAPI.hooks ||= {};
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ModAPI.hooks.freezeCallstack = false;
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ModAPI.hooks._rippedData ||= [];
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ModAPI.hooks._teavm ||= {};
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ModAPI.hooks._rippedConstructors ||= {};
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ModAPI.hooks.methods ||= {};
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ModAPI.hooks._rippedMethodTypeMap ||= {};
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ModAPI.hooks._postInit ||= ()=>{};
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ModAPI.hooks._rippedStaticProperties ||= {};
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ModAPI.hooks._rippedStaticIndexer ||= {};
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`;
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var freezeCallstack = `if(ModAPI.hooks.freezeCallstack){return false};`;
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document.querySelector("#giveme").addEventListener("click", () => {
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if (
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!document.querySelector("input").files ||
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!document.querySelector("input").files[0]
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) {
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return;
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}
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// @type File
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var file = document.querySelector("input").files[0];
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var fileType = file.name.split(".");
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fileType = fileType[fileType.length - 1];
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file.text().then((string) => {
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var patchedFile = string;
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patchedFile = patchedFile.replaceAll(
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`(function(root, module) {`,
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`${modapi_preinit}
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(function(root, module) {`
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);
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patchedFile = patchedFile.replaceAll(
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`var main;(function(){`,
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`${modapi_preinit}
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var main;(function(){`
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);
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patchedFile = patchedFile
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.replace("\r", "")
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.replace(
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"var main;\n(function() {",
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modapi_preinit + "var main;\n(function() {"
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);
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patchedFile = patchedFile.replace(
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/function \$rt_metadata\(data\)( ?){/gm,
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`function $rt_metadata(data) {
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/*/EaglerForge Client Patch/*/
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ModAPI.hooks._rippedData.push(data);
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/*/EaglerForge Client Patch/*/`
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);
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patchedFile = patchedFile.replaceAll(
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`return thread != null && thread.isResuming()`,
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(match) => {
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return freezeCallstack + match;
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}
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);
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patchedFile = patchedFile.replaceAll(
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`return thread != null && thread.isSuspending();`,
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(match) => {
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return freezeCallstack + match;
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}
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);
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patchedFile = patchedFile.replaceAll(
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`return $rt_currentNativeThread;`,
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(match) => {
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return (
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`if(ModAPI.hooks.freezeCallstack){return {push: (a)=>{console.log("Data pushed to stack: ") + a}, pop: ()=>{console.warn("Frozen stack was popped, context is now unstable.")}}};` +
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match
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);
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}
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);
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patchedFile = patchedFile.replace(
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` id="game_frame">`,
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` id="game_frame">
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\<script id="modapi_postinit"\>${globalThis.modapi_postinit}\<\/script\>
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\<script id="modapi_modloader"\>${globalThis.modapi_modloader}\<\/script\>
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\<script id="modapi_guikit"\>${globalThis.modapi_guikit}\<\/script\>
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\<script id="modapi_postinit_data"\>globalThis.modapi_postinit = \`${globalThis.modapi_postinit}\`;\<\/script\>`
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);
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const extractConstructorRegex =
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/^\s*function (\S*?)__init_\d*?\((?!\$)/gm;
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const extractConstructorFullNameRegex =
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/function (\S*?)__init_[0-9]*/gm;
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patchedFile = patchedFile.replaceAll(
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extractConstructorRegex,
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(match) => {
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var fullName = match.match(extractConstructorFullNameRegex);
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fullName = fullName[0].replace("function ", "");
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return (
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`ModAPI.hooks._rippedConstructors[\`${fullName}\`] = ${fullName};
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` + match
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);
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}
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);
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const extractInstanceMethodRegex =
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/^[\t ]*function \S+?_\S+?_\S+?\((\$this)?/gm; // /^[\t ]*function \S+?_\S+?_\S+?\(\$this/gm
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const extractInstanceMethodFullNameRegex = /function (\S*?)\(/gm; // /function (\S*?)\(\$this/gm
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patchedFile = patchedFile.replaceAll(
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extractInstanceMethodRegex,
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(match) => {
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if (
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match.includes("__init_") ||
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match.includes("__clinit_") ||
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match.includes("_$callClinit")
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) {
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return match;
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}
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var fullName = match.match(extractInstanceMethodFullNameRegex);
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fullName = fullName[0].replace("function ", "").replace("(", "");
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return (
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`function ${fullName}(...args) {
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return ModAPI.hooks.methods[\`${fullName}\`].apply(this, args);
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}
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ModAPI.hooks._rippedMethodTypeMap[\`${fullName}\`] = \`${
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match.endsWith("($this") ? "instance" : "static"
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}\`;
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ModAPI.hooks.methods[\`${fullName}\`]=` +
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match.replace(fullName + "(", "(")
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);
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return match;
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}
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);
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var staticVariables = [
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...patchedFile.matchAll(/var \S+?_\S+?_\S+? = null;/gm),
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].flatMap((x) => {
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return x[0];
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});
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//Todo: add support for static properties on classes with constructors like this: function nmcg_GuiMainMenu() {
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patchedFile = patchedFile.replaceAll(
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/var \S+?_\S+? = \$rt_classWithoutFields\(\S*?\);/gm,
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function (match) {
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var prefix = match.replaceAll(
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/ = \$rt_classWithoutFields\(\S*?\);/gm,
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""
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);
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var entries = [];
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staticVariables.forEach((entry) => {
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if (entry.startsWith(prefix)) {
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var variableName = entry
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.replace("var ", "")
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.replace(" = null;", "");
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var segments = variableName.split("_");
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segments.splice(0, 2);
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var name = segments.join("_");
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entries.push({
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name: name,
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variable: variableName,
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});
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}
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});
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var getComponents = "";
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entries.forEach((entry) => {
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getComponents += `
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case \`${entry.name}\`:
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return ${entry.variable};
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break;`;
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});
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var setComponents = "";
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entries.forEach((entry) => {
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setComponents += `
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case \`${entry.name}\`:
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${entry.variable} = c;
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break;`;
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});
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var proxy = `
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ModAPI.hooks._rippedStaticIndexer[\`${prefix.replace(
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"var ",
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""
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)}\`] = [${entries
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.flatMap((x) => {
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return '"' + x.name + '"';
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})
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.join(",")}];
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ModAPI.hooks._rippedStaticProperties[\`${prefix.replace(
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"var ",
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""
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)}\`] = new Proxy({${
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entries
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.flatMap((x) => {
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return '"' + x.name + '"';
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})
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.join(":null,") + (entries.length > 0 ? ":null" : "")
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}}, {
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get: function (a,b,c) {
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switch (b) {
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${getComponents}
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}
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},
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set: function (a,b,c) {
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switch (b) {
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${setComponents}
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}
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}
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});`;
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return match + proxy;
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}
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);
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patchedFile = patchedFile.replaceAll(
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/function \$rt_\S+?\(/gm,
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(match) => {
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var name = match.replace("function ", "");
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name = name.substring(0, name.length - 1);
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return (
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`ModAPI.hooks._teavm[\`${name}\`]=${name};
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` + match
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);
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}
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);
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patchedFile = patchedFile.replaceAll(/main\(\);\s*?}/gm, (match) => {
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return match.replace("main();", "main();ModAPI.hooks._postInit();");
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});
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var blob = new Blob([patchedFile], { type: file.type });
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saveAs(blob, "processed." + fileType);
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});
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});
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</script>
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<!-- Code assets -->
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<script src="postinit.injector.js"></script>
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<script src="modloader.injector.js"></script>
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<script src="modgui.injector.js"></script>
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
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</body>
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</html>
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