[Bf-blender-cvs] [312cb0a] master: Fix T45974: Bones fail to snap to verts

[Campbell Barton]

Commit: 312cb0a957b81233eaf441f5b3a0c8420a6e24e4
Author: Campbell Barton
Date:   Wed Sep 2 01:34:03 2015 +1000
Branches: master
https://developer.blender.org/rB312cb0a957b81233eaf441f5b3a0c8420a6e24e4

Fix T45974: Bones fail to snap to verts

Was an issue with individual-origins + snap

===================================================================

M	source/blender/editors/transform/transform_conversions.c

===================================================================

diff --git a/source/blender/editors/transform/transform_conversions.c b/source/blender/editors/transform/transform_conversions.c
index 687cf2f..3a8fa2a 100644
--- a/source/blender/editors/transform/transform_conversions.c
+++ b/source/blender/editors/transform/transform_conversions.c
@@ -1252,7 +1252,13 @@ static void createTransArmatureVerts(TransInfo *t)
 			else {
 				if (ebo->flag & BONE_TIPSEL) {
 					copy_v3_v3(td->iloc, ebo->tail);
-					copy_v3_v3(td->center, (t->around == V3D_LOCAL) ? ebo->head : td->iloc);
+
+					/* don't allow single selected tips to have a modified center,
+					 * causes problem with snapping T45974 */
+					copy_v3_v3(td->center,
+					           ((t->around == V3D_LOCAL) &&
+					            (ebo->flag & BONE_ROOTSEL)) ? ebo->head : td->iloc);
+
 					td->loc = ebo->tail;
 					td->flag = TD_SELECTED;
 					if (ebo->flag & BONE_EDITMODE_LOCKED)