ModelTranslator: 烘焙工具 CLI model_bake.py

Tools/ModelTranslator/model_bake.py

@@ -0,0 +1,40 @@
+"""高低模烘焙 CLI：在低模 UV 上烘出 normal/ao/color/metallic/roughness 五张贴图。
+产物命名对齐 model_translator.py 纯网格约定，可直接作为其输入。
+用法：python model_bake.py <高模.fbx> <低模.fbx> [-o out_bake] [--size 2048]
+     [--ray-distance N] [--samples 64] [--blender exe]"""
+import argparse
+import os
+
+from bl_bake import output_stem
+from mt_run import HERE, find_blender, run_blender_script
+
+
+def main():
+    ap = argparse.ArgumentParser(description=__doc__)
+    ap.add_argument("high", help="高模 FBX（带材质/贴图）")
+    ap.add_argument("low", help="低模 FBX（须有 UV，见 model_decimate.py）")
+    ap.add_argument("-o", "--out", default=os.path.join(HERE, "out_bake"))
+    ap.add_argument("--size", type=int, default=2048, help="烘焙贴图边长")
+    ap.add_argument("--ray-distance", type=float, default=None,
+                    help="射线距离（场景单位），默认低模包围盒对角线 2%%")
+    ap.add_argument("--samples", type=int, default=64, help="AO 采样数")
+    ap.add_argument("--blender", default=None)
+    args = ap.parse_args()
+
+    blender = find_blender(args.blender)
+    stem = output_stem(os.path.splitext(os.path.basename(args.low))[0])
+    outdir = os.path.join(args.out, stem)
+    ray = "auto" if args.ray_distance is None else str(args.ray_distance)
+    s = run_blender_script(blender, "bl_bake.py",
+                           [args.high, args.low, outdir, str(args.size),
+                            ray, str(args.samples)])
+    print("== %s（高 %d 面 / 低 %d 面，射线距离 %.4f）-> %s" %
+          (s["stem"], s["high_tris"], s["low_tris"], s["ray_distance"], outdir))
+    for name, fname in s["outputs"].items():
+        print("  %-10s %s" % (name, fname))
+    for w in s["warnings"]:
+        print("  [警告] %s" % w)
+
+
+if __name__ == "__main__":
+    main()