diff --git a/README.md b/README.md index 31deb5d..f1e6b7e 100644 --- a/README.md +++ b/README.md @@ -26,3 +26,4 @@ A ROM patcher made in HTML5. * [Radical Red](https://patch.radicalred.net/) * [Rocket Edition](https://rocket-edition.com/download/) * [SnapCameraPreservation](https://snapchatreverse.jaku.tv/snap/) +* [Pokemon Clover](https://poclo.net/download) diff --git a/js/RomPatcher.js b/js/RomPatcher.js index f174c74..fe8551c 100644 --- a/js/RomPatcher.js +++ b/js/RomPatcher.js @@ -681,7 +681,6 @@ function _readPatchFile(){ patch=null; setMessage('apply', 'error_invalid_patch', 'error'); } - validateSource(); setTabApplyEnabled(true); } diff --git a/js/formats/BSP.js b/js/formats/BSP.js new file mode 100644 index 0000000..171a07c --- /dev/null +++ b/js/formats/BSP.js @@ -0,0 +1,101 @@ +/* BSP module for Rom Patcher JS v20220417 - Vagner Matheus 2016-2024 */ +const BSP_MAGIC = 'BSP'; +const BSP_VERSION = 1; +const BSP_MAX_SIZE = 0x1000000; // 16 megabytes + +function BSP() { + this.records = []; +} + +BSP.prototype.addRecord = function(o, d) { + this.records.push({offset: o, data: d}); +}; + +BSP.prototype.toString = function() { + let s = 'Records: ' + this.records.length; + return s; +}; + +BSP.prototype.export = function(fileName) { + let patchFileSize = 8; // BSP magic + version + for (let i = 0; i < this.records.length; i++) { + patchFileSize += 4 + this.records[i].data.length; // offset + data length + } + + let tempFile = new MarcFile(patchFileSize); + tempFile.fileName = fileName + '.bsp'; + tempFile.writeString(BSP_MAGIC); + tempFile.writeU32(BSP_VERSION); + + for (let i = 0; i < this.records.length; i++) { + let rec = this.records[i]; + tempFile.writeU32(rec.offset); + tempFile.writeBytes(rec.data); + } + + return tempFile; +}; + +BSP.prototype.apply = function(romFile) { + let tempFile = new MarcFile(romFile.fileSize); + romFile.copyToFile(tempFile, 0); + + for (let i = 0; i < this.records.length; i++) { + tempFile.seek(this.records[i].offset); + tempFile.writeBytes(this.records[i].data); + } + + return tempFile; +}; + +function parseBSPFile(file) { + let patchFile = new BSP(); + file.seek(4); // Skip magic + let version = file.readU32(); + + if (version !== BSP_VERSION) { + throw new Error('Unsupported BSP version'); + } + + while (!file.isEOF()) { + let offset = file.readU32(); + let length = file.fileSize - file.offset; // remaining bytes + let data = file.readBytes(length); + patchFile.addRecord(offset, data); + } + + return patchFile; +} + +function createBSPFromFiles(original, modified) { + let patch = new BSP(); + + while (!modified.isEOF()) { + let b1 = original.isEOF() ? 0x00 : original.readU8(); + let b2 = modified.readU8(); + + if (b1 !== b2) { + let differentData = []; + let startOffset = modified.offset - 1; + + while (b1 !== b2 && differentData.length < 0xffff) { + differentData.push(b2); + if (modified.isEOF() || differentData.length === 0xffff) { + break; + } + + b1 = original.isEOF() ? 0x00 : original.readU8(); + b2 = modified.readU8(); + } + + if (startOffset >= BSP_MAX_SIZE) { + throw new Error('Files are too big for BSP format'); + return null; + } + + patch.addRecord(startOffset, differentData); + } + } + + return patch; +}