feat: texturing

src/core/blitzkrieg/ddsToPng.ts

@@ -0,0 +1,67 @@
+import { execFile } from 'child_process';
+import { existsSync } from 'fs';
+import { mkdir, readFile, rm, writeFile } from 'fs/promises';
+import { uniqueId } from 'lodash';
+import { promisify } from 'util';
+
+export async function clearDdsToPng() {
+  await rm('temp/ddsToPng/images', { force: true, recursive: true });
+}
+
+const execFilePromise = promisify(execFile);
+let downloadStatus: Promise<void> | undefined = undefined;
+
+export async function ddsToPng(ddsBuffer: Buffer) {
+  const id = uniqueId();
+  await mkdir('temp/ddsToPng/images', { recursive: true });
+
+  if (
+    !existsSync('temp/ddsToPng/texconv.exe') &&
+    downloadStatus === undefined
+  ) {
+    console.log('texconv.exe not found, downloading...');
+
+    downloadStatus = new Promise<void>(async (resolve, reject) => {
+      const releaseResponse = await fetch(
+        'https://api.github.com/repos/microsoft/DirectXTex/releases/latest',
+      );
+      const releaseData = (await releaseResponse.json()) as {
+        assets: { browser_download_url: string; name: string }[];
+      };
+      const asset = releaseData.assets.find(
+        (asset) => asset.name === 'texconv.exe',
+      );
+
+      if (!asset) throw new Error('Could not find texconv.exe');
+
+      const downloadResponse = await fetch(asset.browser_download_url);
+      const downloadData = await downloadResponse.arrayBuffer();
+
+      await writeFile(
+        'temp/ddsToPng/texconv.exe',
+        new Uint8Array(downloadData),
+      );
+
+      resolve();
+    });
+  }
+
+  await downloadStatus;
+
+  return new Promise<Buffer>(async (resolve, reject) => {
+    await writeFile(`temp/ddsToPng/images/${id}.dds`, ddsBuffer);
+    await execFilePromise('temp/ddsToPng/texconv.exe', [
+      '-ft',
+      'png',
+      '-o',
+      'temp/ddsToPng/images',
+      `temp/ddsToPng/images/${id}.dds`,
+    ]);
+
+    const pngBuffer = await readFile(`temp/ddsToPng/images/${id}.png`);
+
+    resolve(pngBuffer);
+    rm(`temp/ddsToPng/images/${id}.dds`);
+    // rm(`temp/ddsToPng/images/${id}.png`);
+  });
+}

src/types/sc2.ts

@@ -10,9 +10,15 @@ type DataNode = {
   '##name': 'NMaterial';
   '#id': Buffer;
   materialName: string;
-  parentMaterialKey?: string;
+  parentMaterialKey?: bigint;
   qualityGroup?: string;
   fxName?: string;
+
+  textures?: {
+    albedo: string;
+    decalmask: string;
+    normalmap: string;
+  };
 } & (
   | ({
       configCount: number;
@@ -99,7 +105,7 @@ type RoBatches = Record<
     'rb.aabbox': RbAabbox;
     'rb.classname': 'RenderBatch';
     'rb.datasource': bigint;
-    'rb.nmatname': string;
+    'rb.nmatname': bigint;
     'rb.sortingKey': number;
   }
 >;