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glTF importer: fix bug when no InverseBindMatrices is provided

This commit is contained in:
Julien Duroure 2019-01-24 18:58:30 +01:00
parent 1e371d6d45
commit db31b91754
1 changed files with 12 additions and 8 deletions
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20
io_scene_gltf2/blender/imp/gltf2_blender_skin.py
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@ -52,15 +52,19 @@ class BlenderSkin():
# Set bone bind_pose by inverting bindpose matrix
if node_id in pyskin.joints:
index_in_skel = pyskin.joints.index(node_id)
inverse_bind_matrices = BinaryData.get_data_from_accessor(gltf, pyskin.inverse_bind_matrices)
# Needed to keep scale in matrix, as bone.matrix seems to drop it
if index_in_skel < len(inverse_bind_matrices):
pynode.blender_bone_matrix = matrix_gltf_to_blender(
inverse_bind_matrices[index_in_skel]
).inverted()
bone.matrix = pynode.blender_bone_matrix
if pyskin.inverse_bind_matrices is not None:
inverse_bind_matrices = BinaryData.get_data_from_accessor(gltf, pyskin.inverse_bind_matrices)
# Needed to keep scale in matrix, as bone.matrix seems to drop it
if index_in_skel < len(inverse_bind_matrices):
pynode.blender_bone_matrix = matrix_gltf_to_blender(
inverse_bind_matrices[index_in_skel]
).inverted()
bone.matrix = pynode.blender_bone_matrix
print(pynode.blender_bone_matrix)
else:
gltf.log.error("Error with inverseBindMatrix for skin " + pyskin)
else:
gltf.log.error("Error with inverseBindMatrix for skin " + pyskin)
pynode.blender_bone_matrix = Matrix() # 4x4 identity matrix
else:
print('No invBindMatrix for bone ' + str(node_id))
pynode.blender_bone_matrix = Matrix()