mirror of
https://github.com/marcrobledo/RomPatcher.js.git
synced 2025-06-27 16:25:54 +00:00
93 lines
No EOL
2.1 KiB
JavaScript
93 lines
No EOL
2.1 KiB
JavaScript
/* PMSR (Paper Mario Star Rod) module for Rom Patcher JS v20240721 - Marc Robledo 2020-2024 - http://www.marcrobledo.com/license */
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/* File format specification: http://origami64.net/attachment.php?aid=790 (dead link) */
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const PMSR_MAGIC='PMSR';
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const YAY0_MAGIC='Yay0';
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const PAPER_MARIO_USA10_CRC32=0xa7f5cd7e;
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const PAPER_MARIO_USA10_FILE_SIZE=41943040;
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function PMSR(){
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this.targetSize=0;
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this.records=[];
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}
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PMSR.prototype.addRecord=function(offset, data){
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this.records.push({offset:offset, data:data})
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}
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PMSR.prototype.toString=function(){
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var s='Star Rod patch';
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s+='\nTarget file size: '+this.targetSize;
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s+='\n#Records: '+this.records.length;
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return s;
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}
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PMSR.prototype.validateSource=function(romFile){
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return romFile.fileSize===PAPER_MARIO_USA10_FILE_SIZE && crc32(romFile)===PAPER_MARIO_USA10_CRC32;
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}
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PMSR.prototype.getValidationInfo=function(){
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return [{
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'type':'CRC32',
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'value':'a7f5cd7e'
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}]
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}
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PMSR.prototype.apply=function(romFile, validate){
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if(validate && !this.validateSource(romFile)){
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throw new Error('error_crc_input');
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}
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console.log('a');
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if(this.targetSize===romFile.fileSize){
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tempFile=romFile.slice(0, romFile.fileSize);
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}else{
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tempFile=new MarcFile(this.targetSize);
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romFile.copyToFile(tempFile,0);
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}
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console.log('b');
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for(var i=0; i<this.records.length; i++){
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tempFile.seek(this.records[i].offset);
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tempFile.writeBytes(this.records[i].data);
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}
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return tempFile;
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}
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function parseMODFile(file){
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var patch=new PMSR();
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/*file.seek(0);
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if(file.readString(YAY0_MAGIC.length)===YAY0_MAGIC){
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file=PMSR.YAY0_decode(file);
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}*/
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patch.targetSize=PAPER_MARIO_USA10_FILE_SIZE;
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file.seek(4);
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var nRecords=file.readU32();
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for(var i=0; i<nRecords; i++){
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var offset=file.readU32();
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var length=file.readU32();
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patch.addRecord(offset, file.readBytes(length));
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if((offset+length)>patch.targetSize)
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patch.targetSize=offset+length;
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}
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return patch;
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}
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/* to-do */
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//MOD.prototype.export=function(fileName){return null}
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//function createMODFromFiles(original, modified){return null}
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/* https://github.com/pho/WindViewer/wiki/Yaz0-and-Yay0 */
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PMSR.YAY0_decode=function(file){
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/* to-do */
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} |