57 update paintings in flutter

index.ts

@@ -23,6 +23,7 @@ import {
   replaceDrillArm,
 } from "./src/EncodeWeapon";
 import { updateDemoLogo } from "./src/GAME";
+import { updateFlutterPaintings } from "./src/ST05T";
 
 encodeTitle("miku/title.png");
 // process.exit();
@@ -214,6 +215,10 @@ encodeApronMegaman();
 updateST03T("miku/apron/body-01.png", "miku/faces/ST03T.png");
 updateSceneModel();
 updateDemoLogo("miku/title-smol.png");
+updateFlutterPaintings(
+  "miku/paintings/megaman-room.png",
+  "miku/paintings/roll-room.png",
+);
 
 /**
  Encode Rom

src/EncodeRom.ts

@@ -573,6 +573,7 @@ const encodeRom = () => {
     "cut-ST1803.BIN",
     "cut-ST2501.BIN",
     "GAME.BIN",
+    "flutter-ST05T.BIN",
   ];
 
   console.log("--- Replacing Cut Scene Textures ---");

src/ST05T.ts

@@ -0,0 +1,301 @@
+/**
+
+  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 updateMegaman = (bin: Buffer, pngPath: string) => {
+  const pngData = readFileSync(pngPath);
+
+  const imgOfs = 0x23800;
+  const pal: number[] = [];
+
+  const encodedLogo = encodeCutSceneTexture(pal, pngData);
+  const mpTexture = decompress(Buffer.from(bin.subarray(imgOfs)));
+
+  // Update Palette
+  const palOfs = 0x2a800;
+  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 includedPal = Buffer.from(mpTexture.subarray(0, 0x20));
+  const encodedTexture = Buffer.from(mpTexture.subarray(0x20));
+
+  // const PAL_OFS = 0x20;
+  const ROW_LEN = 0x80;
+  const X_START = 112;
+  const Y_START = 136;
+  let texOfs = ROW_LEN * Y_START; // + PAL_OFS;
+  let logoOfs = 0;
+  for (let y = 0; y < 48; y++) {
+    texOfs += X_START / 2;
+    for (let x = 0; x < 32; x++) {
+      encodedTexture[texOfs++] = encodedLogo[logoOfs++];
+    }
+    texOfs += 40;
+  }
+
+  // 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 = 0x23830; i < 0x28010; i++) {
+    bin[i] = 0;
+  }
+
+  let ofs = 0x23830;
+  for (let i = 0; i < bodyBitField.length; i++) {
+    bin[ofs++] = bodyBitField[i];
+  }
+
+  for (let i = 0; i < compressedBody.length; i++) {
+    bin[ofs++] = compressedBody[i];
+  }
+
+  if (ofs <= 0x28000) {
+    console.log("too short!!!");
+    throw new Error("megaman painting too short");
+  } else if (len > 0x28800) {
+    console.log("too long");
+    throw new Error("megaman painting too long");
+  } else {
+    console.log("yaya!!!");
+  }
+
+  console.log("End: 0x%s", ofs.toString(16));
+  bin.writeInt16LE(bodyBitField.length, 0x23824);
+};
+
+const updateRoll = (bin: Buffer, pngPath: string) => {
+  const pngData = readFileSync(pngPath);
+
+  const imgOfs = 0x10000;
+  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 = 0x19800;
+  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 = 152;
+  const Y_START = 88;
+  let texOfs = ROW_LEN * Y_START; // + PAL_OFS;
+  let logoOfs = 0;
+  const HEIGHT = 40;
+  const WIDTH = 56;
+  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 = 0x10030; i < 0x16460; i++) {
+    bin[i] = 0;
+  }
+
+  let ofs = 0x10030;
+  for (let i = 0; i < bodyBitField.length; i++) {
+    bin[ofs++] = bodyBitField[i];
+  }
+
+  for (let i = 0; i < compressedBody.length; i++) {
+    bin[ofs++] = compressedBody[i];
+  }
+
+  if (ofs <= 0x16000) {
+    console.log("too short!!!");
+    throw new Error("roll painting too short");
+  } else if (len > 0x16800) {
+    console.log("too long");
+    throw new Error("roll painting too long");
+  } else {
+    console.log("yaya!!!");
+  }
+
+  console.log("End: 0x%s", ofs.toString(16));
+  bin.writeInt16LE(bodyBitField.length, 0x10024);
+};
+
+const updateFlutterPaintings = (megamanPath: string, rollPath: string) => {
+  const bin = readFileSync("bin/flutter-ST05T.BIN");
+  updateMegaman(bin, megamanPath);
+  updateRoll(bin, rollPath);
+  writeFileSync("out/flutter-ST05T.BIN", bin);
+};
+
+export default updateFlutterPaintings;
+export { updateFlutterPaintings };