Add GLB stage manifests

scripts/build-area.js

@@ -4,6 +4,14 @@ const fs = require("fs");
 const path = require("path");
 const { spawnSync } = require("child_process");
 const { readAreaConfig } = require("./lib/area-config");
+const { digest: glbDigest } = require("./glb-digest");
+const {
+  fileRecord,
+  glbBudgetWarnings,
+  glbSummary,
+  optionalFileRecord,
+  writeStageManifest,
+} = require("./lib/stage-manifest");
 
 const repoRoot = path.resolve(__dirname, "..");
 const args = parseArgs(process.argv.slice(2));
@@ -206,6 +214,8 @@ function exportCesium(area) {
   fs.mkdirSync(path.dirname(area.outputs.metadata), { recursive: true });
 
   console.log("Stage: cesium");
+  const started = Date.now();
+  const startedAt = new Date(started).toISOString();
   runCommand(blenderExecutable(area), [
     "--background",
     "--python",
@@ -219,6 +229,30 @@ function exportCesium(area) {
     area.outputs.metadata,
   ], "cesium");
   writeCesiumPreview(area);
+  const finished = Date.now();
+  const digest = glbDigest(area.outputs.glb);
+  writeStageManifest(area, {
+    stage: "cesium",
+    status: "ok",
+    config: configPath,
+    startedAt,
+    finishedAt: new Date(finished).toISOString(),
+    durationMs: finished - started,
+    inputs: {
+      blend: fileRecord(area.outputs.blend),
+    },
+    outputs: {
+      glb: fileRecord(area.outputs.glb),
+      metadata: fileRecord(area.outputs.metadata),
+      cesiumPreview: fileRecord(area.outputs.cesiumPreview),
+      vehicleRoute: optionalFileRecord(area.outputs.vehicleRoute),
+      vehicleModel: optionalFileRecord(area.outputs.vehicleModel),
+    },
+    summary: {
+      glb: glbSummary(digest),
+    },
+    warnings: glbBudgetWarnings("Cesium", digest),
+  });
 }
 
 function compressCesiumGlb(area) {
@@ -256,7 +290,43 @@ function compressCesiumGlb(area) {
   }
 
   console.log("Stage: compress (Cesium GLB texture resize + WebP)");
+  const started = Date.now();
+  const startedAt = new Date(started).toISOString();
   runCommand(process.execPath, compressArgs, "compress");
+  const finished = Date.now();
+  const sourceDigest = glbDigest(area.outputs.glb);
+  const compressedDigest = glbDigest(area.outputs.compressedGlb);
+  writeStageManifest(area, {
+    stage: "compress",
+    status: "ok",
+    config: configPath,
+    startedAt,
+    finishedAt: new Date(finished).toISOString(),
+    durationMs: finished - started,
+    inputs: {
+      glb: fileRecord(area.outputs.glb),
+      metadata: fileRecord(area.outputs.metadata),
+      cesiumPreview: fileRecord(area.outputs.cesiumPreview),
+    },
+    outputs: {
+      compressedGlb: fileRecord(area.outputs.compressedGlb),
+      compressedMetadata: fileRecord(area.outputs.compressedMetadata),
+      compressedCesiumPreview: fileRecord(area.outputs.compressedCesiumPreview),
+    },
+    summary: {
+      sourceGlb: glbSummary(sourceDigest),
+      compressedGlb: glbSummary(compressedDigest),
+      options: {
+        textureSize: area.compress.textureSize,
+        quality: area.compress.quality,
+        effort: area.compress.effort,
+        meshopt: area.compress.meshopt,
+      },
+      compressionRatio: Number((compressedDigest.fileBytes / sourceDigest.fileBytes).toFixed(4)),
+      savedBytes: sourceDigest.fileBytes - compressedDigest.fileBytes,
+    },
+    warnings: glbBudgetWarnings("Compressed", compressedDigest),
+  });
 }
 
 function blenderExecutable(area) {