Rigging: Add transform for custom bone shapes

Add translation/rotation/scale parameters for custom bones shapes. The
new scale is a 3D vector `custom_shape_scale_xyz`, and replaces the
`custom_shape_scale` float.

Reviewed By: #animation_rigging, sybren, zeddb

Differential Revision: https://developer.blender.org/D10974

1 files changed, 6 insertions, 2 deletions

diff --git a/source/blender/blenkernel/intern/action.c b/source/blender/blenkernel/intern/action.c
index 3f3aa0386e2..a7e36b09516 100644
--- a/source/blender/blenkernel/intern/action.c
+++ b/source/blender/blenkernel/intern/action.c
@@ -656,7 +656,9 @@ bPoseChannel *BKE_pose_channel_ensure(bPose *pose, const char *name)
 
   BLI_strncpy(chan->name, name, sizeof(chan->name));
 
-  chan->custom_scale = 1.0f;
+  copy_v3_fl(chan->custom_scale_xyz, 1.0f);
+  zero_v3(chan->custom_translation);
+  zero_v3(chan->custom_rotation_euler);
 
   /* init vars to prevent math errors */
   unit_qt(chan->quat);
@@ -1235,8 +1237,10 @@ void BKE_pose_channel_copy_data(bPoseChannel *pchan, const bPoseChannel *pchan_f
   if (pchan->custom) {
     id_us_plus(&pchan->custom->id);
   }
+  copy_v3_v3(pchan->custom_scale_xyz, pchan_from->custom_scale_xyz);
+  copy_v3_v3(pchan->custom_translation, pchan_from->custom_translation);
+  copy_v3_v3(pchan->custom_rotation_euler, pchan_from->custom_rotation_euler);
 
-  pchan->custom_scale = pchan_from->custom_scale;
   pchan->drawflag = pchan_from->drawflag;
 }