fix:T50079 collada matrix and blender matrix are transposed. This was not regarded by the animation importer, so it was creating very odd results

2 files changed, 2 insertions, 1 deletions

diff --git a/source/blender/collada/AnimationImporter.cpp b/source/blender/collada/AnimationImporter.cpp
index bc91b94afd9..95543b2dc18 100644
--- a/source/blender/collada/AnimationImporter.cpp
+++ b/source/blender/collada/AnimationImporter.cpp
@@ -817,6 +817,7 @@ void AnimationImporter::apply_matrix_curves(Object *ob, std::vector<FCurve *>& a
 		}
 
 		float rot[4], loc[3], scale[3];
+		transpose_m4(mat);
 
 		bc_rotate_from_reference_quat(rot, qref, mat);
 		copy_qt_qt(qref, rot);
diff --git a/source/blender/collada/collada_utils.cpp b/source/blender/collada/collada_utils.cpp
index 35bc643d3c7..415daccfa3d 100644
--- a/source/blender/collada/collada_utils.cpp
+++ b/source/blender/collada/collada_utils.cpp
@@ -403,7 +403,7 @@ void bc_rotate_from_reference_quat(float quat_to[4], float quat_from[4], float m
 
 	mat4_to_quat(qd, matd);
 
-	mul_qt_qtqt(quat_to, quat_from, qd); // rot is the final rotation corresponding to mat_to
+	mul_qt_qtqt(quat_to, qd, quat_from); // rot is the final rotation corresponding to mat_to
 }
 
 void bc_triangulate_mesh(Mesh *me)