mirror of
https://github.com/two-torial/webpatcher.git
synced 2024-11-15 03:17:36 +01:00
922 lines
31 KiB
JavaScript
922 lines
31 KiB
JavaScript
/*jshint esversion: 6 */
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(function(window, document) {
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"use strict";
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// form labels often need unique IDs - this can be used to generate some
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window.Patcher_uniqueid = 0;
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var createID = function() {
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window.Patcher_uniqueid++;
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return "dllpatch_" + window.Patcher_uniqueid;
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};
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var bytesMatch = function(buffer, offset, bytes) {
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for(var i = 0; i < bytes.length; i++) {
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if(buffer[offset+i] != bytes[i])
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return false;
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}
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return true;
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};
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var replace = function(buffer, offset, bytes) {
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for(var i = 0; i < bytes.length; i++) {
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buffer[offset+i] = bytes[i];
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}
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};
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var whichBytesMatch = function(buffer, offset, bytesArray) {
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for(var i = 0; i < bytesArray.length; i++) {
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if(bytesMatch(buffer, offset, bytesArray[i]))
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return i;
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}
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return -1;
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};
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// shorthand functions
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var createElementClass = function(elName, className, textContent, innerHTML) {
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var el = document.createElement(elName);
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el.className = className || '';
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el.textContent = textContent || ''; // optional
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// overrides textContent with HTML if provided
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if(innerHTML) {
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el.innerHTML = innerHTML;
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}
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return el;
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};
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var createInput = function(type, id, className) {
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var el = document.createElement('input');
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el.type = type;
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el.id = id;
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el.className = className || '';
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return el;
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};
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var createLabel = function(labelText, htmlFor, className) {
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var el = document.createElement('label');
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el.textContent = labelText;
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el.htmlFor = htmlFor;
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el.className = className || '';
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return el;
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};
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// Each unique kind of patch should have createUI, validatePatch, applyPatch,
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// updateUI
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class StandardPatch {
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constructor(options) {
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this.name = options.name;
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this.patches = options.patches;
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this.tooltip = options.tooltip;
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this.danger = options.danger;
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}
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createUI(parent) {
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var id = createID();
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var label = this.name;
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var patch = createElementClass('div', 'patch');
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this.checkbox = createInput('checkbox', id);
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patch.appendChild(this.checkbox);
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patch.appendChild(createLabel(label, id));
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if(this.tooltip) {
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patch.appendChild(createElementClass('div', 'tooltip', this.tooltip));
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}
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if(this.danger) {
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patch.appendChild(createElementClass('div', 'danger tooltip', this.danger));
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}
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parent.appendChild(patch);
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}
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updateUI(file) {
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this.checkbox.checked = this.checkPatchBytes(file) === "on";
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}
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validatePatch(file) {
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var status = this.checkPatchBytes(file);
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if(status === "on") {
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console.log('"' + this.name + '"', "is enabled!");
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} else if(status === "off") {
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console.log('"' + this.name + '"', "is disabled!");
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} else {
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return '"' + this.name + '" is neither on nor off! Have you got the right file?';
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}
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}
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applyPatch(file) {
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this.replaceAll(file, this.checkbox.checked);
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}
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replaceAll(file, featureOn) {
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for(var i = 0; i < this.patches.length; i++) {
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replace(file, this.patches[i].offset,
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featureOn? this.patches[i].on : this.patches[i].off);
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}
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}
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checkPatchBytes(file) {
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var patchStatus = "";
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for(var i = 0; i < this.patches.length; i++) {
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var patch = this.patches[i];
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if(bytesMatch(file, patch.offset, patch.off)) {
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if(patchStatus === "") {
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patchStatus = "off";
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} else if(patchStatus != "off"){
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return "on/off mismatch within patch";
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}
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} else if(bytesMatch(file, patch.offset, patch.on)) {
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if(patchStatus === "") {
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patchStatus = "on";
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} else if(patchStatus != "on"){
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return "on/off mismatch within patch";
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}
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} else {
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return "patch neither on nor off";
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}
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}
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return patchStatus;
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}
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}
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class DynamicPatch {
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constructor(options) {
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this.name = options.name;
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this.patches = options.patches;
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this.tooltip = options.tooltip;
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this.danger = options.danger;
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this.mode = options.mode;
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this.target = options.target;
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}
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createUI(parent) {
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var id = createID();
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var label = this.name;
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this.ui = createElementClass('div', 'patch');
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this.checkbox = createInput('checkbox', id);
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this.ui.appendChild(this.checkbox);
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this.ui.appendChild(createLabel(label, id));
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if(this.tooltip) {
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this.ui.appendChild(createElementClass('div', 'tooltip', this.tooltip));
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}
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if(this.danger) {
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this.ui.appendChild(createElementClass('div', 'danger tooltip', this.danger));
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}
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parent.appendChild(this.ui);
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}
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updateUI(file) {
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if (this.mode === 'all') {
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this.checkbox.checked = this.checkPatchAll(file, true) === "on";
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} else {
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this.checkbox.checked = this.checkPatch(file, true) === "on";
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}
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}
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validatePatch(file) {
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var status = this.mode === 'all' ? this.checkPatchAll(file) : this.checkPatch(file);
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if(status === "on") {
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console.log('"' + this.name + '"', "is enabled!");
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} else if(status === "off") {
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console.log('"' + this.name + '"', "is disabled!");
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} else {
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return '"' + this.name + '" is neither on nor off! Have you got the right file?';
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}
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}
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applyPatch(file) {
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this.replaceAll(file, this.checkbox.checked);
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}
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replaceAll(file, featureOn) {
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for(let patch of this.patches) {
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if (Array.isArray(patch.offset)) {
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for(const offset of patch.offset) {
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if (this.target === 'string') {
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replace(file, offset,
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new TextEncoder().encode(featureOn? patch.on : patch.off));
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} else {
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patch.on = patch.on.map((patch, idx) => patch === 'XX' ? file[offset + idx] : patch);
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patch.off = patch.off.map((patch, idx) => patch === 'XX' ? file[offset + idx] : patch);
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replace(file, offset,
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featureOn? patch.on : patch.off);
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}
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}
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} else {
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if (this.target === 'string') {
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replace(file, patch.offset,
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new TextEncoder().encode(featureOn? patch.on : patch.off));
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} else {
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patch.on = patch.on.map((patch, idx) => patch === 'XX' ? file[patch.offset + idx] : patch);
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patch.off = patch.off.map((patch, idx) => patch === 'XX' ? file[patch.offset + idx] : patch);
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replace(file, patch.offset,
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featureOn? patch.on : patch.off);
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}
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}
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}
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}
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checkPatch(file, updateUiFlag = false) {
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var patchStatus = "";
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let listUi;
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if (updateUiFlag) {
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listUi = document.createElement('ul');
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this.ui.appendChild(listUi);
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}
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for(var i = 0; i < this.patches.length; i++) {
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var patch = this.patches[i];
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var offOffset = this.searchPatchOffset(file, patch.off, i);
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var onOffset = this.searchPatchOffset(file, patch.on, i);
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this.patches[i].offset = offOffset === -1 ? onOffset : offOffset;
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if(offOffset > 0) {
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if (updateUiFlag) {
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if (this.target === 'string') {
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listUi.appendChild(createElementClass('li', 'patch-off', null, '0x' + offOffset.toString(16) + ' <b>' + patch.off + '</b> will be replaced with <b>'+ patch.on +'</b>'));
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} else {
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listUi.appendChild(createElementClass('li', 'patch-off', '0x' + offOffset.toString(16) + ' will be replaced'));
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}
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}
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if(patchStatus === "") {
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patchStatus = "off";
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}
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} else if(onOffset > 0) {
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if (updateUiFlag) {
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if (this.target === 'string') {
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listUi.appendChild(createElementClass('li', 'patch-on', null, '0x' + onOffset.toString(16) + ' <b>' + patch.on + '</b> will be replaced with <b>'+ patch.off +'</b>'));
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} else {
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listUi.appendChild(createElementClass('li', 'patch-on', '0x' + onOffset.toString(16) + ' will be replaced'));
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}
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}
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if(patchStatus === "") {
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patchStatus = "on";
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}
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} else if (this.mode === 'all') {
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continue;
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} else {
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return "patch string not found";
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}
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}
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return patchStatus;
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}
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checkPatchAll(file, updateUiFlag = false) {
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var patchStatus = "";
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let listUi;
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if (updateUiFlag) {
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listUi = document.createElement('ul');
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this.ui.appendChild(listUi);
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}
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for(let patch of this.patches) {
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var offOffset = this.searchPatchOffsetAll(file, patch.off);
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var onOffset = this.searchPatchOffsetAll(file, patch.on);
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patch.offset = offOffset.length === 0 ? onOffset : offOffset;
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if(offOffset.length > 0) {
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if (updateUiFlag) {
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for(const offset of offOffset) {
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listUi.appendChild(createElementClass('li', 'patch-off', '0x' + offset.toString(16) + ' will be replaced'));
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}
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}
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if(patchStatus === "") {
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patchStatus = "off";
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}
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} else if(onOffset.length > 0) {
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if (updateUiFlag) {
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for(const offset of onOffset) {
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listUi.appendChild(createElementClass('li', 'patch-on', '0x' + offset.toString(16) + ' will be replaced'));
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}
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}
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if(patchStatus === "") {
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patchStatus = "on";
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}
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} else {
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return "patch string not found";
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}
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}
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return patchStatus;
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}
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searchPatchOffset(file, search, offset) {
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let searchBytes;
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if (this.target === 'string') {
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searchBytes = new TextEncoder().encode(search);
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} else {
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searchBytes = search;
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}
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Uint8Array.prototype.indexOfArr = function(searchElements, fromIndex) {
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fromIndex = fromIndex || 0;
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var index = Array.prototype.indexOf.call(this, searchElements[0], fromIndex);
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if(searchElements.length === 1 || index === -1) {
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return {
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match: false,
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index: -1,
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};
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}
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for(var i = index, j = 0; j < searchElements.length && i < this.length; i++, j++) {
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if (this.target !== 'string' && searchElements[j] === 'XX') {
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continue;
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}
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if(this[i] !== searchElements[j]) {
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return {
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match: false,
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index,
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};
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}
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}
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return {
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match: true,
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index,
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};
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};
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var idx = 0;
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var foundCount = 0;
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for (var i = 0; i < file.length; i++) {
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var result = file.indexOfArr(searchBytes, idx);
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if (result.match) {
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if (offset === foundCount) {
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return result.index;
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}
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foundCount++;
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} else if (result.index === -1) {
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break;
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}
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idx = result.index + 1;
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}
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return -1;
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}
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searchPatchOffsetAll(file, search) {
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let searchBytes;
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if (this.target === 'string') {
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searchBytes = new TextEncoder().encode(search);
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} else {
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searchBytes = search;
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}
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Uint8Array.prototype.indexOfArr = function(searchElements, fromIndex) {
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fromIndex = fromIndex || 0;
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var index = Array.prototype.indexOf.call(this, searchElements[0], fromIndex);
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if(searchElements.length === 1 || index === -1) {
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return {
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match: false,
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index: -1,
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};
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}
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for(var i = index, j = 0; j < searchElements.length && i < this.length; i++, j++) {
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if (this.target !== 'string' && searchElements[j] === 'XX') {
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continue;
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}
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if(this[i] !== searchElements[j]) {
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return {
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match: false,
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index,
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};
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}
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}
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return {
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match: true,
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index,
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};
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};
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var idx = 0;
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var foundOffsetArray = [];
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for (var i = 0; i < file.length; i++) {
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var result = file.indexOfArr(searchBytes, idx);
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if (result.match) {
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foundOffsetArray.push(result.index);
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} else if (result.index === -1) {
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break;
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}
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idx = result.index + 1;
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}
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return foundOffsetArray;
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}
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}
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// Each unique kind of patch should have createUI, validatePatch, applyPatch,
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// updateUI
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// The DEFAULT state is always the 1st element in the patches array
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class UnionPatch {
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constructor(options) {
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this.name = options.name;
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this.offset = options.offset;
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this.patches = options.patches;
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this.tooltip = options.tooltip;
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this.danger = options.danger;
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}
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createUI(parent) {
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this.radios = [];
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var radio_id = createID();
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var container = createElementClass('div', 'patch-union');
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container.appendChild(createElementClass('span', 'patch-union-title', this.name + ':'));
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if(this.tooltip) {
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container.appendChild(createElementClass('div', 'tooltip', this.tooltip));
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}
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if(this.danger) {
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container.appendChild(createElementClass('div', 'danger tooltip', this.danger));
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}
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container.appendChild(document.createElement('span'));
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for(var i = 0; i < this.patches.length; i++) {
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var patch = this.patches[i];
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var id = createID();
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var label = patch.name;
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var patchDiv = createElementClass('div', 'patch');
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var radio = createInput('radio', id);
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radio.name = radio_id;
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this.radios.push(radio);
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patchDiv.appendChild(radio);
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patchDiv.appendChild(createLabel(label, id));
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if(patch.tooltip) {
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patchDiv.appendChild(createElementClass('div', 'tooltip', patch.tooltip));
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}
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if(patch.danger) {
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patchDiv.appendChild(createElementClass('div', 'danger tooltip', patch.danger));
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}
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container.appendChild(patchDiv);
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}
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parent.appendChild(container);
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}
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updateUI(file) {
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for(var i = 0; i < this.patches.length; i++) {
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if(bytesMatch(file, this.offset, this.patches[i].patch)) {
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this.radios[i].checked = true;
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return;
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}
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}
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// Default fallback
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this.radios[0].checked = true;
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}
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validatePatch(file) {
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for(var i = 0; i < this.patches.length; i++) {
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if(bytesMatch(file, this.offset, this.patches[i].patch)) {
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console.log(this.name, "has", this.patches[i].name, "enabled");
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return;
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}
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}
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return '"' + this.name + '" doesn\'t have a valid patch! Have you got the right file?';
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}
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applyPatch(file) {
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var patch = this.getSelected();
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replace(file, this.offset, patch.patch);
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}
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getSelected() {
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for(var i = 0; i < this.patches.length; i++) {
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if(this.radios[i].checked) {
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return this.patches[i];
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}
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}
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return null;
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}
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}
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// Each unique kind of patch should have createUI, validatePatch, applyPatch,
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// updateUI
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class NumberPatch {
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constructor(options) {
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this.name = options.name;
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this.tooltip = options.tooltip;
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this.danger = options.danger;
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this.offset = options.offset;
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this.size = options.size;
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this.min = options.min;
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this.max = options.max;
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}
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createUI(parent) {
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var id = createID();
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var label = this.name;
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var patch = createElementClass('div', 'patch');
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patch.appendChild(createLabel(label, id));
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this.number = createInput('number', id);
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if (this.min !== null) {
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this.number.min = this.min;
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}
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if (this.max) {
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this.number.max = this.max;
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}
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patch.appendChild(this.number);
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if (this.tooltip) {
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patch.appendChild(createElementClass('div', 'tooltip', this.tooltip));
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}
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if (this.danger) {
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patch.appendChild(createElementClass('div', 'danger tooltip', this.danger));
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}
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parent.appendChild(patch);
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}
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updateUI(file) {
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// This converts bytes from the file to big endian by shifting each
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// byte `i` bytes to the left then doing a bitwise OR to add the less
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// significant bytes that were gathered at earlier iterations of loop
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var val = 0;
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for (var i = 0; i < this.size; i++) {
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val = (file[this.offset + i] << (8 * i)) | val;
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}
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this.number.value = val;
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}
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validatePatch(file) {
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return;
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}
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|
|
applyPatch(file) {
|
|
// Convert user inputted number to little endian
|
|
const view = new DataView(new ArrayBuffer(this.size * 2));
|
|
view.setInt32(1, this.number.value, true);
|
|
|
|
for (var i = 0; i < this.size; i++) {
|
|
var val = view.getInt32(1);
|
|
|
|
// Shift off less significant bytes
|
|
val = val >> ((this.size - 1 - i) * 8);
|
|
|
|
// Mask off more significant bytes
|
|
val = val & 0xFF;
|
|
|
|
// Write this byte
|
|
file[this.offset + i] = val;
|
|
}
|
|
}
|
|
}
|
|
|
|
var loadPatch = function(_this, self, patcher) {
|
|
patcher.loadPatchUI();
|
|
patcher.updatePatchUI();
|
|
patcher.container.style.display = '';
|
|
var successStr = patcher.filename;
|
|
if (typeof _this.description === "string") {
|
|
successStr += "(" + patcher.description + ")";
|
|
}
|
|
self.successDiv.innerHTML = successStr + " loaded successfully!";
|
|
};
|
|
|
|
class PatchContainer {
|
|
constructor(patchers) {
|
|
this.patchers = patchers;
|
|
this.createUI();
|
|
}
|
|
|
|
getSupportedDLLs() {
|
|
var dlls = [];
|
|
for (var i = 0; i < this.patchers.length; i++) {
|
|
var name = this.patchers[i].filename;
|
|
if (dlls.indexOf(name) === -1) {
|
|
dlls.push(name);
|
|
}
|
|
}
|
|
return dlls;
|
|
}
|
|
|
|
createUI() {
|
|
var self = this;
|
|
var container = createElementClass('div', 'patchContainer');
|
|
var header = this.getSupportedDLLs().join(", ");
|
|
container.innerHTML = "<h3>" + header + "</h3>";
|
|
|
|
var supportedDlls = document.createElement('ul');
|
|
this.forceLoadTexts = [];
|
|
this.forceLoadButtons = [];
|
|
this.matchSuccessText = [];
|
|
for (var i = 0; i < this.patchers.length; i++) {
|
|
var checkboxId = createID();
|
|
|
|
var listItem = document.createElement('li');
|
|
listItem.appendChild(createLabel(this.patchers[i].description, checkboxId, 'patchPreviewLabel'));
|
|
var matchPercent = createElementClass('span', 'matchPercent');
|
|
this.forceLoadTexts.push(matchPercent);
|
|
listItem.appendChild(matchPercent);
|
|
var matchSuccess = createElementClass('span', 'matchSuccess');
|
|
this.matchSuccessText.push(matchSuccess);
|
|
listItem.appendChild(matchSuccess);
|
|
var forceButton = createElementClass('button', '', 'Force load?');
|
|
forceButton.style.display = 'none';
|
|
this.forceLoadButtons.push(forceButton);
|
|
listItem.appendChild(forceButton);
|
|
|
|
var input = createInput('checkbox', checkboxId, 'patchPreviewToggle');
|
|
listItem.appendChild(input);
|
|
var patchPreviews = createElementClass('ul', 'patchPreview');
|
|
for (var j = 0; j < this.patchers[i].mods.length; j++) {
|
|
var patchName = this.patchers[i].mods[j].name;
|
|
patchPreviews.appendChild(createElementClass('li', null, patchName));
|
|
}
|
|
listItem.appendChild(patchPreviews);
|
|
|
|
supportedDlls.appendChild(listItem);
|
|
}
|
|
|
|
["dragover", "dragenter"].forEach(function(n){
|
|
document.documentElement.addEventListener(n,function (e) {
|
|
container.classList.add("dragover");
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
});
|
|
});
|
|
["dragleave", "dragend", "drop"].forEach(function(n){
|
|
document.documentElement.addEventListener(n,function (e) {
|
|
container.classList.remove("dragover");
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
});
|
|
});
|
|
|
|
container.addEventListener("drop", function (e) {
|
|
var files = e.dataTransfer.files;
|
|
if (files && files.length > 0)
|
|
self.loadFile(files[0]);
|
|
});
|
|
|
|
var filepickerId = createID();
|
|
this.fileInput = createInput('file', filepickerId, 'fileInput');
|
|
var label = createLabel('', filepickerId, 'fileLabel');
|
|
label.innerHTML = "<strong>Choose a file</strong> or drag and drop.";
|
|
|
|
this.fileInput.addEventListener("change", function (e) {
|
|
if (this.files && this.files.length > 0)
|
|
self.loadFile(this.files[0]);
|
|
});
|
|
|
|
this.successDiv = createElementClass('div', 'success');
|
|
this.errorDiv = createElementClass('div', 'error');
|
|
|
|
container.appendChild(this.fileInput);
|
|
container.appendChild(label);
|
|
|
|
container.appendChild(createElementClass('h4', null, 'Supported Versions:'));
|
|
container.appendChild(createElementClass('h5', null, 'Click name to preview patches'));
|
|
container.appendChild(supportedDlls);
|
|
container.appendChild(this.successDiv);
|
|
container.appendChild(this.errorDiv);
|
|
document.body.appendChild(container);
|
|
}
|
|
|
|
loadFile(file) {
|
|
var reader = new FileReader();
|
|
var self = this;
|
|
|
|
reader.onload = function (e) {
|
|
var found = false;
|
|
// clear logs
|
|
self.errorDiv.textContent = '';
|
|
self.successDiv.textContent = '';
|
|
for (var i = 0; i < self.patchers.length; i++) {
|
|
// reset text and buttons
|
|
self.forceLoadButtons[i].style.display = 'none';
|
|
self.forceLoadTexts[i].textContent = '';
|
|
self.matchSuccessText[i].textContent = '';
|
|
var patcher = self.patchers[i];
|
|
// remove the previous UI to clear the page
|
|
patcher.destroyUI();
|
|
// patcher UI elements have to exist to load the file
|
|
patcher.createUI();
|
|
patcher.container.style.display = 'none';
|
|
patcher.loadBuffer(e.target.result);
|
|
if (patcher.validatePatches()) {
|
|
found = true;
|
|
loadPatch(this, self, patcher);
|
|
// show patches matched for 100% - helps identify which version is loaded
|
|
var valid = patcher.validPatches;
|
|
self.matchSuccessText[i].textContent = ' ' + valid + ' of ' + valid + ' patches matched (100%) ';
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
// let the user force a match
|
|
for (let i = 0; i < self.patchers.length; i++) {
|
|
const patcher = self.patchers[i];
|
|
|
|
const valid = patcher.validPatches;
|
|
const percent = (valid / patcher.totalPatches * 100).toFixed(1);
|
|
|
|
self.forceLoadTexts[i].textContent = ' ' + valid + ' of ' + patcher.totalPatches + ' patches matched (' + percent + '%) ';
|
|
self.forceLoadButtons[i].style.display = '';
|
|
self.forceLoadButtons[i].onclick = function(i) {
|
|
// reset old text
|
|
for(var j = 0; j < self.patchers.length; j++) {
|
|
self.forceLoadButtons[j].style.display = 'none';
|
|
self.forceLoadTexts[j].textContent = '';
|
|
}
|
|
|
|
|
|
loadPatch(this, self, self.patchers[i]);
|
|
}.bind(this, i);
|
|
}
|
|
self.errorDiv.innerHTML = "No patch set was a 100% match.";
|
|
}
|
|
};
|
|
|
|
reader.readAsArrayBuffer(file);
|
|
}
|
|
}
|
|
|
|
class Patcher {
|
|
constructor(fname, description, args) {
|
|
this.mods = [];
|
|
for(var i = 0; i < args.length; i++) {
|
|
var mod = args[i];
|
|
if(mod.type) {
|
|
if(mod.type === "union") {
|
|
this.mods.push(new UnionPatch(mod));
|
|
}
|
|
if(mod.type === "number") {
|
|
this.mods.push(new NumberPatch(mod));
|
|
}
|
|
if(mod.type === "dynamic") {
|
|
this.mods.push(new DynamicPatch(mod));
|
|
}
|
|
} else { // standard patch
|
|
this.mods.push(new StandardPatch(mod));
|
|
}
|
|
}
|
|
|
|
this.filename = fname;
|
|
this.description = description;
|
|
this.multiPatcher = true;
|
|
|
|
if (!this.description) {
|
|
// old style patcher, use the old method to generate the UI
|
|
this.multiPatcher = false;
|
|
this.createUI();
|
|
this.loadPatchUI();
|
|
}
|
|
}
|
|
|
|
createUI() {
|
|
var self = this;
|
|
this.container = createElementClass('div', 'patchContainer');
|
|
var header = this.filename;
|
|
if(this.description === "string") {
|
|
header += ' (' + this.description + ')';
|
|
}
|
|
this.container.innerHTML = '<h3>' + header + '</h3>';
|
|
|
|
this.successDiv = createElementClass('div', 'success');
|
|
this.errorDiv = createElementClass('div', 'error');
|
|
this.patchDiv = createElementClass('div', 'patches');
|
|
|
|
var saveButton = document.createElement('button');
|
|
saveButton.disabled = true;
|
|
saveButton.textContent = 'Load file First';
|
|
saveButton.addEventListener('click', this.saveDll.bind(this));
|
|
this.saveButton = saveButton;
|
|
|
|
if (!this.multiPatcher) {
|
|
["dragover", "dragenter"].forEach(function(n){
|
|
document.documentElement.addEventListener(n,function(e) {
|
|
self.container.classList.add('dragover');
|
|
e.preventDefault();
|
|
return true;
|
|
});
|
|
});
|
|
["dragleave", "dragend", "drop"].forEach(function(n){
|
|
document.documentElement.addEventListener(n,function(e) {
|
|
self.container.classList.remove('dragover');
|
|
e.preventDefault();
|
|
return true;
|
|
});
|
|
});
|
|
|
|
this.container.addEventListener('drop', function(e) {
|
|
var files = e.dataTransfer.files;
|
|
if(files && files.length > 0)
|
|
self.loadFile(files[0]);
|
|
});
|
|
|
|
var filepickerId = createID();
|
|
this.fileInput = createInput('file', filepickerId, 'fileInput');
|
|
var label = createLabel('', filepickerId, 'fileLabel');
|
|
label.innerHTML = '<strong>Choose a file</strong> or drag and drop.';
|
|
|
|
this.fileInput.addEventListener('change', function(e) {
|
|
if(this.files && this.files.length > 0)
|
|
self.loadFile(this.files[0]);
|
|
});
|
|
|
|
this.container.appendChild(this.fileInput);
|
|
this.container.appendChild(label);
|
|
}
|
|
|
|
this.container.appendChild(this.successDiv);
|
|
this.container.appendChild(this.errorDiv);
|
|
this.container.appendChild(this.patchDiv);
|
|
this.container.appendChild(saveButton);
|
|
document.body.appendChild(this.container);
|
|
}
|
|
|
|
destroyUI() {
|
|
if (this.hasOwnProperty("container"))
|
|
this.container.remove();
|
|
}
|
|
|
|
loadBuffer(buffer) {
|
|
this.dllFile = new Uint8Array(buffer);
|
|
if(this.validatePatches()) {
|
|
this.successDiv.classList.remove("hidden");
|
|
this.successDiv.innerHTML = "File loaded successfully!";
|
|
} else {
|
|
this.successDiv.classList.add("hidden");
|
|
}
|
|
// Update save button regardless
|
|
this.saveButton.disabled = false;
|
|
this.saveButton.textContent = 'Save Patched File';
|
|
this.errorDiv.innerHTML = this.errorLog;
|
|
}
|
|
|
|
loadFile(file) {
|
|
var reader = new FileReader();
|
|
var self = this;
|
|
|
|
reader.onload = function(e) {
|
|
self.loadBuffer(e.target.result);
|
|
self.updatePatchUI();
|
|
};
|
|
|
|
reader.readAsArrayBuffer(file);
|
|
}
|
|
|
|
downloadURI(uri, filename) {
|
|
// http://stackoverflow.com/a/18197341
|
|
var element = document.createElement('a');
|
|
element.setAttribute('href', uri);
|
|
element.setAttribute('download', filename);
|
|
|
|
element.style.display = 'none';
|
|
document.body.appendChild(element);
|
|
|
|
element.click();
|
|
|
|
document.body.removeChild(element);
|
|
}
|
|
|
|
saveDll() {
|
|
if(!this.dllFile || !this.mods || !this.filename)
|
|
return;
|
|
|
|
for(var i = 0; i < this.mods.length; i++) {
|
|
this.mods[i].applyPatch(this.dllFile);
|
|
}
|
|
|
|
var blob = new Blob([this.dllFile], {type: "application/octet-stream"});
|
|
var uri = URL.createObjectURL(blob);
|
|
this.downloadURI(uri, this.filename);
|
|
URL.revokeObjectURL(uri);
|
|
}
|
|
|
|
loadPatchUI() {
|
|
for(var i = 0; i < this.mods.length; i++) {
|
|
this.mods[i].createUI(this.patchDiv);
|
|
}
|
|
}
|
|
|
|
updatePatchUI() {
|
|
for(var i = 0; i < this.mods.length; i++) {
|
|
this.mods[i].updateUI(this.dllFile);
|
|
}
|
|
}
|
|
|
|
validatePatches() {
|
|
this.errorLog = "";
|
|
var success = true;
|
|
this.validPatches = 0;
|
|
this.totalPatches = this.mods.length;
|
|
for(var i = 0; i < this.mods.length; i++) {
|
|
var error = this.mods[i].validatePatch(this.dllFile);
|
|
if(error) {
|
|
this.errorLog += error + "<br/>";
|
|
success = false;
|
|
} else {
|
|
this.validPatches++;
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
}
|
|
|
|
window.Patcher = Patcher;
|
|
window.PatchContainer = PatchContainer;
|
|
|
|
})(window, document);
|