igir/dist/src/types/patches/apsPatch.js

🕹 A zero-setup ROM collection manager that sorts, filters, extracts or archives, patches, and reports on collections of any size on any OS.

import APSGBAPatch from './apsGbaPatch.js';
import APSN64Patch from './apsN64Patch.js';
import Patch from './patch.js';
/**
 * @see https://github.com/btimofeev/UniPatcher/wiki/APS-(N64)
 */
export default class APSPatch extends Patch {
    static SUPPORTED_EXTENSIONS = ['.aps'];
    static FILE_SIGNATURE = Buffer.from('APS1');
    static async patchFrom(file) {
        return file.extractToTempIOFile('r', async (patchFile) => {
            patchFile.seek(APSPatch.FILE_SIGNATURE.length);
            const byteFive = (await patchFile.readNext(1)).toString();
            const byteSix = (await patchFile.readNext(1)).readUInt8();
            if (byteFive === '0' && (byteSix === 0 || byteSix === 1)) {
                return APSN64Patch.patchFrom(file);
            }
            return APSGBAPatch.patchFrom(file);
        });
    }
}