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Fix #2213 custom uvmap on point domain #2238

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May 18, 2024
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Fix #2213 custom uvmap on point domain #2238

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36 changes: 26 additions & 10 deletions addons/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives_extract.py
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Original file line number Diff line number Diff line change
Expand Up @@ -429,17 +429,33 @@ def manage_material_info(self):
for attr in self.uvmap_attribute_list:
if attr + str(0) not in self.dots.dtype.names: # In case user exports custom attributes, we may have it already
# Vector in custom Attributes are Vector2 or Vector3 (but keeping only the first two data)
if self.blender_mesh.attributes[attr].data_type == "FLOAT_VECTOR":
data = np.empty(len(self.blender_mesh.loops) * 3, gltf2_blender_conversion.get_numpy_type('FLOAT2'))
self.blender_mesh.attributes[attr].data.foreach_get('vector', data)
data = data.reshape(-1, 3)
data = data[:,:2]
elif self.blender_mesh.attributes[attr].data_type == "FLOAT2":
data = np.empty(len(self.blender_mesh.loops) * 2, gltf2_blender_conversion.get_numpy_type('FLOAT2'))
self.blender_mesh.attributes[attr].data.foreach_get('vector', data)
data = data.reshape(-1, 2)
if self.blender_mesh.attributes[attr].domain == "CORNER":
if self.blender_mesh.attributes[attr].data_type == "FLOAT_VECTOR":
data = np.empty(len(self.blender_mesh.loops) * 3, gltf2_blender_conversion.get_numpy_type('FLOAT2'))
self.blender_mesh.attributes[attr].data.foreach_get('vector', data)
data = data.reshape(-1, 3)
data = data[:,:2]
elif self.blender_mesh.attributes[attr].data_type == "FLOAT2":
data = np.empty(len(self.blender_mesh.loops) * 2, gltf2_blender_conversion.get_numpy_type('FLOAT2'))
self.blender_mesh.attributes[attr].data.foreach_get('vector', data)
data = data.reshape(-1, 2)
else:
self.export_settings['log'].warning('We are not managing this case (UVMap as custom attribute for unknown type)')
continue
elif self.blender_mesh.attributes[attr].domain == "POINT":
if self.blender_mesh.attributes[attr].data_type == "FLOAT_VECTOR":
data = np.empty(len(self.blender_mesh.vertices) * 3, gltf2_blender_conversion.get_numpy_type('FLOAT2'))
self.blender_mesh.attributes[attr].data.foreach_get('vector', data)
data = data.reshape(-1, 3)
data = data[:,:2]
data = data[self.dots['vertex_index']]
elif self.blender_mesh.attributes[attr].data_type == "FLOAT2":
data = np.empty(len(self.blender_mesh.vertices) * 2, gltf2_blender_conversion.get_numpy_type('FLOAT2'))
self.blender_mesh.attributes[attr].data.foreach_get('vector', data)
data = data.reshape(-1, 2)
data = data[self.dots['vertex_index']]
else:
self.export_settings['log'].warning('We are not managing this case (UVMap as custom attribute for unknown type)')
self.export_settings['log'].warning('We are not managing this case (UVMap as custom attribute for unknown domain)')
continue
# Blender UV space -> glTF UV space
# u,v -> u,1-v
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