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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,223 @@ | ||
| /** | ||
| Miku-Legends-2 | ||
| Copyright (C) 2024, DashGL Project | ||
| By Kion ([email protected]) | ||
| This program is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| **/ | ||
|
|
||
| import { readFileSync, writeFileSync } from "fs"; | ||
| import { | ||
| encodeCutSceneTexture, | ||
| compressNewTexture, | ||
| encodeTexel, | ||
| } from "./EncodeTexture"; | ||
| import { PNG } from "pngjs"; | ||
|
|
||
| type Pixel = { | ||
| r: number; | ||
| g: number; | ||
| b: number; | ||
| a: number; | ||
| }; | ||
|
|
||
| const wordToColor = (word: number): Pixel => { | ||
| const r = ((word >> 0x00) & 0x1f) << 3; | ||
| const g = ((word >> 0x05) & 0x1f) << 3; | ||
| const b = ((word >> 0x0a) & 0x1f) << 3; | ||
| const a = word > 0 ? 255 : 0; | ||
| return { r, g, b, a }; | ||
| }; | ||
|
|
||
| const decompress = (src: Buffer) => { | ||
| const tim = { | ||
| type: src.readUInt32LE(0x00), | ||
| fullSize: src.readUInt32LE(0x04), | ||
| paletteX: src.readUInt16LE(0x0c), | ||
| paletteY: src.readUInt16LE(0x0e), | ||
| colorCount: src.readUInt16LE(0x10), | ||
| paletteCount: src.readUInt16LE(0x12), | ||
| imageX: src.readUInt16LE(0x14), | ||
| imageY: src.readUInt16LE(0x16), | ||
| width: src.readUInt16LE(0x18), | ||
| height: src.readUInt16LE(0x1a), | ||
| bitfieldSize: src.readUInt16LE(0x24), | ||
| payloadSize: src.readUInt16LE(0x26), | ||
| }; | ||
|
|
||
| switch (tim.colorCount) { | ||
| case 16: | ||
| tim.width *= 4; | ||
| break; | ||
| case 256: | ||
| tim.width *= 2; | ||
| break; | ||
| default: | ||
| tim.paletteCount *= tim.colorCount / 16; | ||
| tim.colorCount = 16; | ||
| tim.width *= 4; | ||
| break; | ||
| } | ||
|
|
||
| const { fullSize, bitfieldSize } = tim; | ||
| const bitfield: number[] = new Array(); | ||
| const target = Buffer.alloc(fullSize); | ||
|
|
||
| // Read Bitfield | ||
|
|
||
| const bitfieldBuffer = src.subarray(0x30, 0x30 + bitfieldSize); | ||
| let ofs = 0x30; | ||
| for (let i = 0; i < bitfieldSize; i += 4) { | ||
| const dword = src.readUInt32LE(ofs + i); | ||
| for (let k = 31; k > -1; k--) { | ||
| bitfield.push(dword & (1 << k) ? 1 : 0); | ||
| } | ||
| } | ||
|
|
||
| ofs += bitfieldSize; | ||
| const payloadStart = 0; | ||
|
|
||
| // Decompress | ||
|
|
||
| let outOfs = 0; | ||
| let windowOfs = 0; | ||
| let cmdCount = 0; | ||
| let bytes = 0; | ||
|
|
||
| for (let i = 0; i < bitfield.length; i++) { | ||
| const bit = bitfield[i]; | ||
| if (outOfs === fullSize) { | ||
| const payload = src.subarray(0x30 + bitfieldSize, ofs); | ||
| break; | ||
| } | ||
|
|
||
| const word = src.readUInt16LE(ofs); | ||
| ofs += 2; | ||
|
|
||
| switch (bit) { | ||
| case 0: | ||
| target.writeUInt16LE(word, outOfs); | ||
| outOfs += 2; | ||
| break; | ||
| case 1: | ||
| if (word === 0xffff) { | ||
| windowOfs += 0x2000; | ||
| cmdCount = 0; | ||
| bytes = 0; | ||
| } else { | ||
| cmdCount++; | ||
| const copyFrom = windowOfs + ((word >> 3) & 0x1fff); | ||
| const copyLen = ((word & 0x07) + 2) * 2; | ||
| bytes += copyLen; | ||
| for (let i = 0; i < copyLen; i++) { | ||
| target[outOfs++] = target[copyFrom + i]; | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return target; | ||
| }; | ||
|
|
||
| const updateFlutter = (bin: Buffer, pngPath: string) => { | ||
| const pngData = readFileSync(pngPath); | ||
|
|
||
| const imgOfs = 0x02a800; | ||
| // 38295 (light brown) | ||
| const pal: number[] = []; | ||
| const encodedLogo = encodeCutSceneTexture(pal, pngData); | ||
| const mpTexture = decompress(Buffer.from(bin.subarray(imgOfs))); | ||
|
|
||
| const includedPal = Buffer.from(mpTexture.subarray(0, 0x20)); | ||
| const encodedTexture = Buffer.from(mpTexture.subarray(0x20)); | ||
|
|
||
| // Update Palette | ||
| const palOfs = 0x30800; | ||
| const red = encodeTexel(255, 0, 0, 255); | ||
| for (let i = 0; i < pal.length; i++) { | ||
| bin.writeUInt16LE(pal[i], palOfs + 0x30 + i * 2); | ||
| // bin.writeUInt16LE(red, palOfs + 0x30 + i * 2); | ||
| } | ||
|
|
||
| const ROW_LEN = 0x80; | ||
| const X_START = 0; | ||
| const Y_START = 88; | ||
| let texOfs = ROW_LEN * Y_START; // + PAL_OFS; | ||
| let logoOfs = 0; | ||
| const HEIGHT = 40; | ||
| const WIDTH = 64; | ||
| for (let y = 0; y < HEIGHT; y++) { | ||
| texOfs += X_START / 2; | ||
| for (let x = 0; x < WIDTH / 2; x++) { | ||
| encodedTexture[texOfs++] = encodedLogo[logoOfs++]; | ||
| } | ||
| texOfs += (256 - X_START - WIDTH) / 2; | ||
| } | ||
|
|
||
| // console.log("Logo Pos: 0x%s", logoOfs.toString(16)); | ||
|
|
||
| const imageData: number[] = new Array(); | ||
| for (let ofs = 0; ofs < encodedTexture.length; ofs++) { | ||
| const byte = encodedTexture.readUInt8(ofs); | ||
|
|
||
| imageData.push(byte & 0xf); | ||
| imageData.push(byte >> 4); | ||
| } | ||
|
|
||
| const [bodyBitField, compressedBody] = compressNewTexture( | ||
| includedPal, | ||
| encodedTexture, | ||
| 1, | ||
| ); | ||
| const len = bodyBitField.length + compressedBody.length; | ||
|
|
||
| for (let i = 0x2a830; i < 0x2f110; i++) { | ||
| bin[i] = 0; | ||
| } | ||
|
|
||
| let ofs = 0x2a830; | ||
| for (let i = 0; i < bodyBitField.length; i++) { | ||
| bin[ofs++] = bodyBitField[i]; | ||
| } | ||
|
|
||
| for (let i = 0; i < compressedBody.length; i++) { | ||
| bin[ofs++] = compressedBody[i]; | ||
| } | ||
|
|
||
| console.log("End: 0x%s", ofs.toString(16)); | ||
|
|
||
| if (ofs <= 0x2f000) { | ||
| console.log("too short!!!"); | ||
| throw new Error("fire flutter painting too short"); | ||
| } else if (len > 0x2f800) { | ||
| console.log("too long"); | ||
| throw new Error("fire flutter painting too long"); | ||
| } else { | ||
| console.log("yaya!!!"); | ||
| } | ||
|
|
||
| bin.writeInt16LE(bodyBitField.length, 0x2a824); | ||
| }; | ||
|
|
||
| const updateFlutterFire = (dashie: string) => { | ||
| const bin = readFileSync("bin/flutter-ST1ET.BIN"); | ||
| updateFlutter(bin, dashie); | ||
| writeFileSync("out/flutter-ST1ET.BIN", bin); | ||
| }; | ||
|
|
||
| export default updateFlutterFire; | ||
| export { updateFlutterFire }; |
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