Ship the WeChat hot-update catalogs and the camp, TideWhale T2, UI atlas, and animation-lab work.

Co-authored-by: Cursor <cursoragent@cursor.com>

Tools/model_tools/bl_repair_homecamp_surface.py

@@ -0,0 +1,42 @@
+"""Repair Studio face winding on welded topology without generating UVs."""
+import json
+import sys
+from pathlib import Path
+import bpy
+import bmesh
+
+source, destination, kind = sys.argv[sys.argv.index('--') + 1:][:3]
+bpy.ops.wm.read_factory_settings(use_empty=True)
+bpy.ops.import_scene.gltf(filepath=source, merge_vertices=False)
+obj = next(o for o in bpy.context.scene.objects if o.type == 'MESH')
+bpy.context.view_layer.objects.active = obj
+bpy.ops.object.select_all(action='DESELECT'); obj.select_set(True)
+bpy.ops.object.transform_apply(location=True, rotation=True, scale=True)
+uv = obj.data.uv_layers.active
+uv_before = sorted(tuple(round(c, 6) for c in v.uv) for v in uv.data)
+bm = bmesh.new(); bm.from_mesh(obj.data)
+bmesh.ops.remove_doubles(bm, verts=list(bm.verts), dist=max(obj.dimensions) * 1e-7)
+bmesh.ops.recalc_face_normals(bm, faces=list(bm.faces))
+flipped = 0
+if kind == 'ground':
+    # Thin terrain is intentionally authored with a top and underside. Some
+    # Studio patches are disconnected, so orient each flat patch explicitly.
+    low = min(v.co.z for v in bm.verts); high = max(v.co.z for v in bm.verts)
+    midpoint = (low + high) / 2
+    for face in bm.faces:
+        face.normal_update()
+        if abs(face.normal.z) > .35:
+            # Terrain is viewed and collided from above. Its paving can be
+            # lower than raised grass, so a global height midpoint cannot
+            # distinguish the paving top from an underside patch.
+            if face.normal.z < 0:
+                face.normal_flip(); flipped += 1
+bm.to_mesh(obj.data); bm.free(); obj.data.update()
+uv_after = sorted(tuple(round(c, 6) for c in v.uv) for v in obj.data.uv_layers.active.data)
+assert uv_before == uv_after, 'UV coordinates changed during winding repair'
+bpy.ops.export_scene.gltf(filepath=destination, export_format='GLB', use_selection=True,
+                          export_materials='EXPORT', export_image_format='AUTO')
+report = dict(kind=kind, uvPreserved=True, flatTerrainFacesFlipped=flipped,
+              triangles=sum(len(p.vertices)-2 for p in obj.data.polygons))
+Path(destination).with_suffix('.json').write_text(json.dumps(report, indent=2), encoding='utf-8')
+print('MT_SUMMARY '+json.dumps(report), flush=True)