mirror of
https://github.com/two-torial/webpatcher.git
synced 2025-02-01 04:15:47 +01:00
support dynamic patcher (#224)
* support dynamic patcher * fix typo * fix createUI() * delete sample html * merge dynamicHex and dynamicString patch * fix dynamic patch constructor * use strict equality operator
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ichijyo-hotaru
GitHub
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c87d450c46
@ -312,3 +312,15 @@ input[type=radio] {
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input[type=checkbox]:checked + .patchPreview {
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display: block;
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}
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input[type=checkbox] ~ ul > li.patch-off {
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display: none;
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}
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input[type=checkbox] ~ ul > li.patch-on {
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display: list-item;
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}
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input[type=checkbox]:checked ~ ul > li.patch-on {
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display: none;
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}
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input[type=checkbox]:checked ~ ul > li.patch-off {
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display: list-item;
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}
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260
js/dllpatcher.js
260
js/dllpatcher.js
@ -103,6 +103,263 @@ class StandardPatch {
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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.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 = $('<div>', {'class' : 'patch'});
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this.checkbox = $('<input type="checkbox" id="' + id + '">')[0];
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this.ui.append(this.checkbox);
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this.ui.append('<label for="' + id + '">' + label + '</label>');
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if(this.tooltip) {
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this.ui.append('<div class="tooltip">' + this.tooltip + '</div>');
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}
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parent.append(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(var i = 0; i < this.patches.length; i++) {
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if (Array.isArray(this.patches[i].offset)) {
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this.patches[i].offset.forEach((offset) => {
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if (this.target === 'string') {
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replace(file, offset,
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new TextEncoder().encode(featureOn? this.patches[i].on : this.patches[i].off));
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} else {
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this.patches[i].on = this.patches[i].on.map((patch, idx) => patch === 'XX' ? file[offset + idx] : patch);
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this.patches[i].off = this.patches[i].off.map((patch, idx) => patch === 'XX' ? file[offset + idx] : patch);
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replace(file, 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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);
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} else {
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if (this.target === 'string') {
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replace(file, this.patches[i].offset,
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new TextEncoder().encode(featureOn? this.patches[i].on : this.patches[i].off));
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} else {
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this.patches[i].on = this.patches[i].on.map((patch, idx) => patch === 'XX' ? file[this.patches[i].offset + idx] : patch);
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this.patches[i].off = this.patches[i].off.map((patch, idx) => patch === 'XX' ? file[this.patches[i].offset + idx] : patch);
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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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}
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}
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checkPatch(file, updateUiFlag = false) {
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var patchStatus = "";
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if (updateUiFlag) {
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var listUi = $('<ul />');
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this.ui.append(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.append('<li class="patch-off">0x' + offOffset.toString(16) + ' <b>' + patch.off + '</b> will be replaced with <b>'+ patch.on +'</b></li>');
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} else {
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listUi.append('<li class="patch-off">0x' + offOffset.toString(16) + ' will be replaced</li>');
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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.append('<li class="patch-on">0x' + onOffset.toString(16) + ' <b>' + patch.on + '</b> will be replaced with <b>'+ patch.off +'</b></li>');
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} else {
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listUi.append('<li class="patch-on">0x' + onOffset.toString(16) + ' will be replaced</li>');
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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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if (updateUiFlag) {
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var listUi = $('<ul />');
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this.ui.append(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.searchPatchOffsetAll(file, patch.off);
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var onOffset = this.searchPatchOffsetAll(file, patch.on);
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this.patches[i].offset = offOffset.length === 0 ? onOffset : offOffset;
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if(offOffset.length > 0) {
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if (updateUiFlag) {
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offOffset.forEach((offset) => {
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listUi.append('<li class="patch-off">0x' + offset.toString(16) + ' will be replaced</li>');
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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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onOffset.forEach((offset) => {
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listUi.append('<li class="patch-on">0x' + offset.toString(16) + ' will be replaced</li>');
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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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if (this.target === 'string') {
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var searchBytes = new TextEncoder().encode(search);
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} else {
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var 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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if (this.target === 'string') {
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var searchBytes = new TextEncoder().encode(search);
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} else {
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var 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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@ -447,6 +704,9 @@ class Patcher {
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if(mod.type === "number") {
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this.mods.push(new NumberPatch(mod));
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}
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if(mod.type === "dynamic") {
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this.mods.push(new DynamicPatch(mod));
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}
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} else { // standard patch
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this.mods.push(new StandardPatch(mod));
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}
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