oss/RomPatcher.js
oss/RomPatcher.js
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added language selector, looks like Chrome wasn't compatible with automatic detection

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Marc Robledo 2020-11-06 21:00:06 +01:00
parent fb00500f23
commit 008ba151ed
5 changed files with 190 additions and 20 deletions
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46
js/RomPatcher.js
View file

@ -1,4 +1,4 @@
/* Rom Patcher JS v20200915 - Marc Robledo 2016-2020 - http://www.marcrobledo.com/license */
/* Rom Patcher JS v20201106 - Marc Robledo 2016-2020 - http://www.marcrobledo.com/license */
const TOO_BIG_ROM_SIZE=67108863;
const HEADERS_INFO=[
@ -176,6 +176,23 @@ function _parseROM(){
}
function setLanguage(langCode){
if(typeof LOCALIZATION[langCode]==='undefined')
langCode='en';
userLanguage=LOCALIZATION[langCode];
var translatableElements=document.querySelectorAll('*[data-localize]');
for(var i=0; i<translatableElements.length; i++){
translatableElements[i].innerHTML=_(translatableElements[i].dataset.localize);
}
if(typeof localStorage!=='undefined'){
localStorage.setItem('rompatcher-js-lang', langCode);
}
}
/* initialize app */
addEvent(window,'load',function(){
/* zip-js web worker */
@ -192,15 +209,11 @@ addEvent(window,'load',function(){
/* language */
var langCode=(navigator.language || navigator.userLanguage).substr(0,2);
if(typeof LOCALIZATION[langCode]==='object'){
userLanguage=LOCALIZATION[langCode];
}else{
userLanguage=LOCALIZATION.en;
}
var translatableElements=document.querySelectorAll('*[data-localize]');
for(var i=0; i<translatableElements.length; i++){
translatableElements[i].innerHTML=_(translatableElements[i].dataset.localize);
}
if(typeof localStorage!=='undefined' && localStorage.getItem('rompatcher-js-lang'))
langCode=localStorage.getItem('rompatcher-js-lang');
el('select-language').value=langCode;
setLanguage(langCode);
el('row-file-patch').title=_('compatible_formats')+' IPS, UPS, APS, BPS, RUP, PPF, MOD (Paper Mario Star Rod), xdelta';
@ -437,8 +450,21 @@ function preparePatchedRom(originalRom, patchedRom, headerSize){
}
}
/* fix checksum if needed */
//var fixedChecksum=fixConsoleChecksum(patchedRom);
setMessage('apply');
patchedRom.save();
/*if(fixedChecksum){
setMessage('apply','Checksum was fixed','warning');
}*/
//debug: create unheadered patch
/*if(headerSize && el('checkbox-addheader').checked){

129
js/crc.js
View file

@ -1,4 +1,4 @@
/* Rom Patcher JS - CRC32/MD5/SHA-1 calculators v20181017 - Marc Robledo 2016-2018 - http://www.marcrobledo.com/license */
/* Rom Patcher JS - CRC32/MD5/SHA-1/checksums calculators v20200926 - Marc Robledo 2016-2020 - http://www.marcrobledo.com/license */
function padZeroes(intVal, nBytes){
var hexString=intVal.toString(16);
@ -102,4 +102,131 @@ function adler32(marcFile, offset, len){
}
return ((b<<16) | a)>>>0;
}
/* CRC16 */
/*
const CRC16_TABLE=(function(){
var c,crcTable=[];
for(var n=0;n<256;n++){
c=n;
for(var k=0;k<8;k++)
c=((c&1)?(0x8408^(c>>>1)):(c>>>1));
crcTable[n]=c;
}
return crcTable;
}());
function crc16(marcFile){
var crc=0^(-1);
for(var i=0;i<marcFile._u8array.length;i++)
crc=((crc>>>8)&0x0ff)^CRC16_TABLE[(crc^marcFile._u8array[i])&0xff];
return ((crc^(-1))>>>0) & 0xffff;
}
*/
/* specific ROM checksums */
/* this is unused code, might be used in a future so ROM checksums can be fixed after patching */
const CONSOLES=[
{
title:'Sega Mega Drive/Genesis',
MEGADRIVE_LOGO:[0x53, 0x45, 0x47, 0x41, 0x20, 0x4d, 0x45, 0x47, 0x41, 0x20, 0x44, 0x52],
GENESIS_LOGO:[0x53, 0x45, 0x47, 0x41, 0x20, 0x47, 0x45, 0x4e, 0x45, 0x53, 0x49, 0x53],
checkHeader:function(marcFile){
var megadrive=true;
var genesis=true;
for(var i=0; i<12 && (megadrive || genesis); i++){
if(marcFile._u8array[0x100+i]!==this.MEGADRIVE_LOGO[i])
megadrive=false;
if(marcFile._u8array[0x100+i]!==this.GENESIS_LOGO[i])
genesis=false;
}
return megadrive || genesis;
},
getChecksum:function(marcFile){
return (marcFile._u8array[0x018e]<<8) + marcFile._u8array[0x018f];
},
recalculateChecksum:function(marcFile){
var checksum=0;
for(var i=0x200; i<marcFile.fileSize; i+=2)
checksum=(checksum + (((marcFile._u8array[i]<<8) + marcFile._u8array[i+1])>>>0)) & 0xffff;
return checksum
},
updateChecksum:function(marcFile, newChecksum){
marcFile._u8array[0x18e]=newChecksum>>8;
marcFile._u8array[0x18f]=newChecksum & 0xff;
}
},{
title:'Game Boy',
NINTENDO_LOGO:[0xce, 0xed, 0x66, 0x66, 0xcc, 0x0d, 0x00, 0x0b, 0x03, 0x73, 0x00, 0x83, 0x00, 0x0c, 0x00, 0x0d],
checkHeader:function(marcFile){
for(var i=0; i<this.NINTENDO_LOGO.length; i++){
if(marcFile._u8array[0x104+i]!==this.NINTENDO_LOGO[i])
return false;
}
return true;
},
getChecksum:function(marcFile){
return marcFile._u8array[0x14d]
},
recalculateChecksum:function(marcFile){
var checksum=0;
for(var i=0x134; i<0x014d; i++){
checksum=(checksum - marcFile._u8array[i] - 1) & 0xff;
}
return checksum
},
updateChecksum:function(marcFile, newChecksum){
marcFile._u8array[0x014d]=newChecksum;
/* global checksum isn't checked by real hw, but fix it anyway */
var globalChecksumOld=(marcFile._u8array[0x014e]<<8) + marcFile._u8array[0x014f];
var globalChecksumNew=0;
for(var i=0x0000; i<0x014e; i++)
globalChecksumNew=((globalChecksumNew + marcFile._u8array[i]) >>> 0) & 0xffff;
for(i=0x0150;i<marcFile.fileSize; i++)
globalChecksumNew=((globalChecksumNew + marcFile._u8array[i]) >>> 0) & 0xffff;
if(globalChecksumOld!==globalChecksumNew){
marcFile._u8array[0x014e]=globalChecksumNew>>8;
marcFile._u8array[0x014f]=globalChecksumNew & 0xff;
}
}
}
];
function checkConsole(marcFile){
return false;
}
function fixConsoleChecksum(marcFile){
var system=false;
for(var i=0; i<CONSOLES.length && !system; i++)
if(CONSOLES[i].checkHeader(marcFile))
system=CONSOLES[i];
if(!system)
return false;
var oldChecksum=console.getChecksum(marcFile);
var newChecksum=console.recalculateChecksum(marcFile);
if(oldChecksum!==newChecksum)
if(alert('Fix '+console.title+' checksum?')){
console.updateChecksum(marcFile, newChecksum);
return true;
}
return false;
}