Merge pull request #2292 from KhronosGroup/udim_material_name

Fix #2289 - udim material names with tile number
KhronosGroup · Aug 30, 2024 · 1b8cabf · 1b8cabf
2 parents defbc29 + b78af3b
commit 1b8cabf
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/addons/io_scene_gltf2/blender/exp/primitive_extract.py b/addons/io_scene_gltf2/blender/exp/primitive_extract.py
@@ -739,7 +739,7 @@ def manage_material_info(self):
  else:
  self.export_settings['log'].warning('We are not managing this case (UDIM for {})'.format(tex))
 
- self.additional_materials.append((new_material, material_info, int(str(id(base_material)) + str(u) + str(v))))
+ self.additional_materials.append((new_material, material_info, int(str(id(base_material)) + str(u) + str(v)), "10" + str(v) + str(u+1)))
 
 
  # Now, we need to add additional Vertex Color if needed

diff --git a/addons/io_scene_gltf2/blender/exp/primitives.py b/addons/io_scene_gltf2/blender/exp/primitives.py
@@ -78,9 +78,12 @@ def gather_primitives(
  material = get_final_material(blender_mesh, blender_mat, internal_primitive['uvmap_attributes_index'], base_material, material_info["uv_info"], export_settings)
  else:
  # UDIM case
- base_material, material_info, unique_material_id = udim_material
+ base_material, material_info, unique_material_id, tile = udim_material
  material = get_final_material(blender_mesh, unique_material_id, internal_primitive['uvmap_attributes_index'], base_material, material_info["uv_info"], export_settings)
 
+ # Force change name of material to get the tile number in the name
+ material.name = material.name + "." + tile
+
  primitive = gltf2_io.MeshPrimitive(
  attributes=internal_primitive['attributes'],
  extensions=__gather_extensions(blender_mesh, internal_primitive['material'], internal_primitive['uvmap_attributes_index'], export_settings),