fix: limit precision also for animation matrixes if the limit option is set (gives nicer output for inspection)

3 files changed, 11 insertions, 0 deletions

diff --git a/source/blender/collada/AnimationExporter.cpp b/source/blender/collada/AnimationExporter.cpp
index d4f434d56fd..bd5cb05a1fa 100644
--- a/source/blender/collada/AnimationExporter.cpp
+++ b/source/blender/collada/AnimationExporter.cpp
@@ -988,6 +988,9 @@ std::string AnimationExporter::create_4x4_source(std::vector<float> &frames, Obj
 		double outmat[4][4];
 		converter.mat4_to_dae_double(outmat, mat);
 
+		if (this->export_settings->limit_precision)
+			bc_sanitize_mat(outmat, 6);
+
 		source.appendValues(outmat);
 
 		j++;
diff --git a/source/blender/collada/collada_utils.cpp b/source/blender/collada/collada_utils.cpp
index c13757fa2a4..35bc643d3c7 100644
--- a/source/blender/collada/collada_utils.cpp
+++ b/source/blender/collada/collada_utils.cpp
@@ -864,6 +864,13 @@ void bc_sanitize_mat(float mat[4][4], int precision)
 			mat[i][j] = double_round(mat[i][j], precision);
 }
 
+void bc_sanitize_mat(double mat[4][4], int precision)
+{
+	for (int i = 0; i < 4; i++)
+		for (int j = 0; j < 4; j++)
+			mat[i][j] = double_round(mat[i][j], precision);
+}
+
 /*
 * Returns name of Active UV Layer or empty String if no active UV Layer defined.
 * Assuming the Object is of type MESH
diff --git a/source/blender/collada/collada_utils.h b/source/blender/collada/collada_utils.h
index ad274777e8d..e9066d7db46 100644
--- a/source/blender/collada/collada_utils.h
+++ b/source/blender/collada/collada_utils.h
@@ -100,6 +100,7 @@ extern EditBone *bc_get_edit_bone(bArmature * armature, char *name);
 extern int bc_set_layer(int bitfield, int layer, bool enable);
 extern int bc_set_layer(int bitfield, int layer);
 extern void bc_sanitize_mat(float mat[4][4], int precision);
+extern void bc_sanitize_mat(double mat[4][4], int precision);
 
 extern IDProperty *bc_get_IDProperty(Bone *bone, std::string key);
 extern void bc_set_IDProperty(EditBone *ebone, const char *key, float value);