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fix: facepaint texture color inaccuracies (#47)

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trafficlunar 2026-04-27 11:37:45 +01:00
parent 27b0cc18a0
commit c88491b44f
1 changed files with 9 additions and 0 deletions
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9
shared/src/switch-tomodachi-life-mii.ts
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@ -91,6 +91,15 @@ export class SwitchTomodachiLifeMii {
const decompressed = Buffer.from(fzstd.decompress(canvasData)); const decompressed = Buffer.from(fzstd.decompress(canvasData));
const deswizzled = new BytesDeswizzle(decompressed, [256, 256], [1, 1], 4, 4).deswizzle(); const deswizzled = new BytesDeswizzle(decompressed, [256, 256], [1, 1], 4, 4).deswizzle();
// Issue (#47)
const gamma = 0.4545;
for (let i = 0; i < deswizzled.length; i += 4) {
deswizzled[i] = Math.min(255, Math.round(255 * Math.pow(deswizzled[i] / 255, gamma)));
deswizzled[i + 1] = Math.min(255, Math.round(255 * Math.pow(deswizzled[i + 1] / 255, gamma)));
deswizzled[i + 2] = Math.min(255, Math.round(255 * Math.pow(deswizzled[i + 2] / 255, gamma)));
}
return await sharp(deswizzled, { return await sharp(deswizzled, {
raw: { width: 256, height: 256, channels: 4 }, raw: { width: 256, height: 256, channels: 4 },
}) })