3 files changed, 81 insertions, 6 deletions

diff --git a/source/blender/editors/transform/transform.h b/source/blender/editors/transform/transform.h
index f5a1812750e..0bccf177128 100644
--- a/source/blender/editors/transform/transform.h
+++ b/source/blender/editors/transform/transform.h
@@ -61,6 +61,7 @@ struct wmEvent;
 struct wmTimer;
 struct ARegion;
 struct ReportList;
+struct EditBone;
 
 /* transinfo->redraw */
 typedef enum {
@@ -251,6 +252,17 @@ typedef struct VertSlideData {
 	int curr_sv_index;
 } VertSlideData;
 
+typedef struct BoneInitData {
+	struct EditBone *bone;
+	float tail[3];
+	float rad_tail;
+	float roll;
+	float head[3];
+	float dist;
+	float xwidth;
+	float zwidth;
+} BoneInitData;
+
 typedef struct TransData {
 	float  dist;         /* Distance needed to affect element (for Proportionnal Editing)                  */
 	float  rdist;        /* Distance to the nearest element (for Proportionnal Editing)                    */
@@ -520,6 +532,7 @@ void flushTransNodes(TransInfo *t);
 void flushTransSeq(TransInfo *t);
 void flushTransTracking(TransInfo *t);
 void flushTransMasking(TransInfo *t);
+void restoreBones(TransInfo *t);
 
 /*********************** exported from transform_manipulator.c ********** */
 bool gimbal_axis(struct Object *ob, float gmat[3][3]); /* return 0 when no gimbal for selection */
diff --git a/source/blender/editors/transform/transform_conversions.c b/source/blender/editors/transform/transform_conversions.c
index 5d22b1130c0..9dfd3e568e5 100644
--- a/source/blender/editors/transform/transform_conversions.c
+++ b/source/blender/editors/transform/transform_conversions.c
@@ -1052,18 +1052,43 @@ static void createTransPose(TransInfo *t, Object *ob)
 	if (ik_on) transform_autoik_update(t, 0);
 }
 
-/* ********************* armature ************** */
+void restoreBones(TransInfo *t)
+{
+	BoneInitData *bid = t->customData;
+	EditBone *ebo;
+
+	while (bid->bone) {
+		ebo = bid->bone;
+		ebo->dist = bid->dist;
+		ebo->rad_tail = bid->rad_tail;
+		ebo->roll = bid->roll;
+		ebo->xwidth = bid->xwidth;
+		ebo->zwidth = bid->zwidth;
+		copy_v3_v3(ebo->head, bid->head);
+		copy_v3_v3(ebo->tail, bid->tail);
+
+		bid++;
+	}
+}
 
+
+/* ********************* armature ************** */
 static void createTransArmatureVerts(TransInfo *t)
 {
-	EditBone *ebo;
+	EditBone *ebo, *eboflip;
 	bArmature *arm = t->obedit->data;
 	ListBase *edbo = arm->edbo;
-	TransData *td;
+	TransData *td, *td_old;
 	float mtx[3][3], smtx[3][3], bonemat[3][3];
+	bool mirror = ((arm->flag & ARM_MIRROR_EDIT) != 0);
+	int total_mirrored = 0, i;
+	int oldtot;
+	BoneInitData *bid;
 	
 	t->total = 0;
 	for (ebo = edbo->first; ebo; ebo = ebo->next) {
+		oldtot = t->total;
+
 		if (EBONE_VISIBLE(arm, ebo) && !(ebo->flag & BONE_EDITMODE_LOCKED)) {
 			if (t->mode == TFM_BONESIZE) {
 				if (ebo->flag & BONE_SELECTED)
@@ -1080,6 +1105,12 @@ static void createTransArmatureVerts(TransInfo *t)
 					t->total++;
 			}
 		}
+
+		if (mirror && (oldtot < t->total)) {
+			eboflip = ED_armature_bone_get_mirrored(arm->edbo, ebo);
+			if (eboflip)
+				total_mirrored++;
+		}
 	}
 
 	if (!t->total) return;
@@ -1091,7 +1122,15 @@ static void createTransArmatureVerts(TransInfo *t)
 
 	td = t->data = MEM_callocN(t->total * sizeof(TransData), "TransEditBone");
 
+	if (mirror) {
+		t->customData = bid = MEM_mallocN((total_mirrored + 1) * sizeof(BoneInitData), "BoneInitData");
+		t->flag |= T_FREE_CUSTOMDATA;
+	}
+
+	i = 0;
+
 	for (ebo = edbo->first; ebo; ebo = ebo->next) {
+		td_old = td;
 		ebo->oldlength = ebo->length;   // length==0.0 on extrude, used for scaling radius of bone points
 
 		if (EBONE_VISIBLE(arm, ebo) && !(ebo->flag & BONE_EDITMODE_LOCKED)) {
@@ -1223,6 +1262,26 @@ static void createTransArmatureVerts(TransInfo *t)
 				}
 			}
 		}
+
+		if (mirror && (td_old != td)) {
+			eboflip = ED_armature_bone_get_mirrored(arm->edbo, ebo);
+			if (eboflip) {
+				bid[i].bone = eboflip;
+				bid[i].dist = eboflip->dist;
+				bid[i].rad_tail = eboflip->rad_tail;
+				bid[i].roll = eboflip->roll;
+				bid[i].xwidth = eboflip->xwidth;
+				bid[i].zwidth = eboflip->zwidth;
+				copy_v3_v3(bid[i].head, eboflip->head);
+				copy_v3_v3(bid[i].tail, eboflip->tail);
+				i++;
+			}
+		}
+	}
+
+	if (mirror && total_mirrored) {
+		/* trick to terminate iteration */
+		bid[total_mirrored].bone = NULL;
 	}
 }
 
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 6eb88212714..15d1bb75d89 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -847,9 +847,12 @@ static void recalcData_objects(TransInfo *t)
 				}
 			}
 			
-			if (arm->flag & ARM_MIRROR_EDIT)
-				transform_armature_mirror_update(t->obedit);
-			
+			if (arm->flag & ARM_MIRROR_EDIT) {
+				if (t->state != TRANS_CANCEL)
+					transform_armature_mirror_update(t->obedit);
+				else
+					restoreBones(t);
+			}
 		}
 		else {
 			if (t->state != TRANS_CANCEL) {