oss/RomPatcher.js
oss/RomPatcher.js
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added an option to patch unheadered roms with patches that need a headered rom\nusing now service workers for webapp cache

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marcrobledo 2018-04-23 20:41:21 +02:00
parent 8f682a69ee
commit 5ea4024aaf
4 changed files with 82 additions and 34 deletions
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59
RomPatcher.js
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@ -1,15 +1,5 @@
/* RomPatcher.js v20171107 - Marc Robledo 2016-2017 - http://www.marcrobledo.com/license */
var MAX_ROM_SIZE=33554432;var SNES_HEADERED_ROMS_SIZE=[
262144+512,
524288+512,
1048576+512,
2097152+512,
4194304+512,
8388608+512,
16777216+512,
33554432+512,
50331648+512
];
/* RomPatcher.js v20180423 - Marc Robledo 2016-2018 - http://www.marcrobledo.com/license */
var MAX_ROM_SIZE=33554432;
var romFile, headeredRomFile, unheaderedRomFile, patch, romFile1, romFile2, tempFile;
/* Shortcuts */
function addEvent(e,ev,f){e.addEventListener(ev,f,false)}
@ -19,6 +9,11 @@ function el(e){return document.getElementById(e)}
/* initialize app */
addEvent(window,'load',function(){
/* service worker */
if('serviceWorker' in navigator)
navigator.serviceWorker.register('_cache_service_worker.js');
el('input-file-rom').value='';
el('input-file-patch').value='';
el('input-file-rom1').value='';
@ -27,12 +22,20 @@ addEvent(window,'load',function(){
addEvent(el('input-file-rom'), 'change', function(){
romFile=new MarcBinFile(this, function(){
el('checkbox-addheader').checked=false;
el('checkbox-removeheader').checked=false;
unheaderedRomFile=null;
if(SNES_HEADERED_ROMS_SIZE.indexOf(romFile.fileSize)>=0){
unheaderedRomFile=null;
headeredRomFile=null;
if(isSnesRom(romFile.fileName) && isPowerOfTwo(romFile.fileSize)){
el('row-addheader').style.display='flex';
el('row-removeheader').style.display='none';
}else if(isSnesRom(romFile.fileName) && isHeadered(romFile.fileSize, 512)){
el('row-addheader').style.display='none';
el('row-removeheader').style.display='flex';
}else{
el('row-addheader').style.display='none';
el('row-removeheader').style.display='none';
}
@ -65,8 +68,27 @@ addEvent(window,'load',function(){
updateChecksums(romFile);
});
addEvent(el('checkbox-addheader'), 'change', function(){
if(!headeredRomFile){
unheaderedRomFile=romFile;
headeredRomFile=new MarcBinFile(unheaderedRomFile.fileSize+512);
headeredRomFile.writeBytes(512, unheaderedRomFile.readBytes(0, unheaderedRomFile.fileSize));
headeredRomFile.fileName=unheaderedRomFile.fileName;
}
if(this.checked)
romFile=headeredRomFile;
else
romFile=unheaderedRomFile;
});
});
function isSnesRom(fileName){return /\.(smc|sfc|fig|swc)$/.test(fileName)}
function isPowerOfTwo(fileSize){return (fileSize & (fileSize-1))===0}
function isHeadered(fileSize,headerSize){return isPowerOfTwo(fileSize-headerSize)}
function updateChecksums(file){
el('rom-info').style.display='block';
@ -103,7 +125,14 @@ function applyPatchFile(p,r){
if(p && r){
var patchedROM=p.apply(r);
patchedROM.fileName=r.fileName.replace(/\.(.*?)$/, ' (patched).$1');
patchedROM.save()
if(el('checkbox-addheader').checked){
var unheaderedPatchedROM=new MarcBinFile(patchedROM.fileSize-512);
unheaderedPatchedROM.fileName=patchedROM.fileName;
unheaderedPatchedROM.writeBytes(0, patchedROM.readBytes(512, patchedROM.fileSize-512));
unheaderedPatchedROM.save();
}else{
patchedROM.save();
}
}else{
MarcDialogs.alert('No ROM/patch selected');
}