Index: source/blender/blenkernel/intern/armature.c
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/blenkernel/intern/armature.c,v
retrieving revision 1.97
diff -u -p -u -r1.97 armature.c
--- source/blender/blenkernel/intern/armature.c	28 Jan 2007 11:44:32 -0000	1.97
+++ source/blender/blenkernel/intern/armature.c	2 Feb 2007 08:57:42 -0000
@@ -1602,6 +1602,12 @@ static void do_local_constraint(bPoseCha
 						pchan->loc[1]= FloatLerpf(pchant->loc[1], pchan->loc[1], fac);
 					if (data->flag & LOCLIKE_Z)
 						pchan->loc[2]= FloatLerpf(pchant->loc[2], pchan->loc[2], fac);
+					if (data->flag & LOCLIKE_X_INVERT)
+						pchan->loc[0]= FloatLerpf(pchant->loc[0], pchan->loc[0], -fac);
+					if (data->flag & LOCLIKE_Y_INVERT)
+						pchan->loc[1]= FloatLerpf(pchant->loc[1], pchan->loc[1], -fac);
+					if (data->flag & LOCLIKE_Z_INVERT)
+						pchan->loc[2]= FloatLerpf(pchant->loc[2], pchan->loc[2], -fac);
 				}
 			}
 		}
@@ -1621,6 +1627,9 @@ static void do_local_constraint(bPoseCha
 						if(data->flag & ROTLIKE_X) euln[0]= FloatLerpf(eult[0], eul[0], fac); 
 						if(data->flag & ROTLIKE_Y) euln[1]= FloatLerpf(eult[1], eul[1], fac);
 						if(data->flag & ROTLIKE_Z) euln[2]= FloatLerpf(eult[2], eul[2], fac);
+						if(data->flag & ROTLIKE_X_INVERT) euln[0]= FloatLerpf(eult[0], eul[0], -fac); 
+						if(data->flag & ROTLIKE_Y_INVERT) euln[1]= FloatLerpf(eult[1], eul[1], -fac);
+						if(data->flag & ROTLIKE_Z_INVERT) euln[2]= FloatLerpf(eult[2], eul[2], -fac);
 						compatible_eul(eul, euln);
 						EulToQuat(euln, pchan->quat);
 					}
Index: source/blender/blenkernel/intern/constraint.c
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/blenkernel/intern/constraint.c,v
retrieving revision 1.61
diff -u -p -u -r1.61 constraint.c
--- source/blender/blenkernel/intern/constraint.c	14 Jan 2007 23:42:06 -0000	1.61
+++ source/blender/blenkernel/intern/constraint.c	2 Feb 2007 08:57:42 -0000
@@ -1285,7 +1285,6 @@ short get_constraint_target_matrix (bCon
 	return valid;
 }
 
-
 /* only called during solve_constraints */
 /* bone constraints create a fake object to work on, then ob is a workob */
 /* if ownerdata is set, it's the posechannel */
@@ -1317,12 +1316,21 @@ void evaluate_constraint (bConstraint *c
 
 			data = constraint->data;
 			
-			if (data->flag & LOCLIKE_X)
+			if (data->flag & LOCLIKE_X) {
 				ob->obmat[3][0] = targetmat[3][0];
-			if (data->flag & LOCLIKE_Y)
+				
+				if(data->flag & LOCLIKE_X_INVERT) ob->obmat[3][0] *= -1;	
+			}
+			if (data->flag & LOCLIKE_Y) {
 				ob->obmat[3][1] = targetmat[3][1];
-			if (data->flag & LOCLIKE_Z)
+				
+				if(data->flag & LOCLIKE_Y_INVERT) ob->obmat[3][1] *= -1;
+			}
+			if (data->flag & LOCLIKE_Z) {
 				ob->obmat[3][2] = targetmat[3][2];
+				
+				if(data->flag & LOCLIKE_Z_INVERT) ob->obmat[3][2] *= -1;
+			}
 		}
 		break;
 	case CONSTRAINT_TYPE_ROTLIKE:
@@ -1341,12 +1349,25 @@ void evaluate_constraint (bConstraint *c
 			Mat4ToEul(ob->obmat, obeul);
 			
 			if(data->flag != (ROTLIKE_X|ROTLIKE_Y|ROTLIKE_Z)) {
-				if(!(data->flag & ROTLIKE_X)) eul[0]= obeul[0];
-				if(!(data->flag & ROTLIKE_Y)) eul[1]= obeul[1];
-				if(!(data->flag & ROTLIKE_Z)) eul[2]= obeul[2];
+				if(!(data->flag & ROTLIKE_X)) {
+					eul[0]= obeul[0];
+				}
+				if(!(data->flag & ROTLIKE_Y)) {
+					eul[1]= obeul[1];
+				}
+				if(!(data->flag & ROTLIKE_Z)) {
+					eul[2]= obeul[2];
+				}
 				compatible_eul(eul, obeul);
 			}
-
+						
+			if((data->flag & ROTLIKE_X) && (data->flag & ROTLIKE_X_INVERT))
+				eul[0]*=-1;
+			if((data->flag & ROTLIKE_Y) && (data->flag & ROTLIKE_Y_INVERT))
+				eul[1]*=-1;
+			if((data->flag & ROTLIKE_Z) && (data->flag & ROTLIKE_Z_INVERT))
+				eul[2]*=-1;
+							
 			LocEulSizeToMat4(ob->obmat, loc, eul, size);
 		}
 		break;
Index: source/blender/makesdna/DNA_constraint_types.h
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/makesdna/DNA_constraint_types.h,v
retrieving revision 1.34
diff -u -p -u -r1.34 DNA_constraint_types.h
--- source/blender/makesdna/DNA_constraint_types.h	16 Dec 2006 05:49:05 -0000	1.34
+++ source/blender/makesdna/DNA_constraint_types.h	2 Feb 2007 08:57:42 -0000
@@ -253,15 +253,21 @@ typedef struct bRigidBodyJointConstraint
 #define CONSTRAINT_CHANNEL_PROTECTED 	0x02
 
 /* bRotateLikeConstraint.flag */
-#define ROTLIKE_X		0x01
-#define ROTLIKE_Y		0x02
-#define ROTLIKE_Z		0x04
+#define ROTLIKE_X			0x01
+#define ROTLIKE_Y			0x02
+#define ROTLIKE_Z			0x04
+#define ROTLIKE_X_INVERT	0x08
+#define ROTLIKE_Y_INVERT	0x10
+#define ROTLIKE_Z_INVERT	0x20
 
 /* bLocateLikeConstraint.flag */
-#define LOCLIKE_X		0x01
-#define LOCLIKE_Y		0x02
-#define LOCLIKE_Z		0x04
-#define LOCSPACE		0x08
+#define LOCLIKE_X			0x01
+#define LOCLIKE_Y			0x02
+#define LOCLIKE_Z			0x04
+#define LOCSPACE			0x08
+#define LOCLIKE_X_INVERT	0x10
+#define LOCLIKE_Y_INVERT	0x20
+#define LOCLIKE_Z_INVERT	0x40
  
 /* bSizeLikeConstraint.flag */
 #define SIZELIKE_X		0x01
@@ -333,4 +339,3 @@ typedef struct bRigidBodyJointConstraint
 #define CONSTRAINT_RB_GENERIC6DOF 12
 
 #endif
-
Index: source/blender/src/buttons_object.c
===================================================================
RCS file: /cvsroot/bf-blender/blender/source/blender/src/buttons_object.c,v
retrieving revision 1.210
diff -u -p -u -r1.210 buttons_object.c
--- source/blender/src/buttons_object.c	6 Jan 2007 10:59:07 -0000	1.210
+++ source/blender/src/buttons_object.c	2 Feb 2007 08:57:43 -0000
@@ -692,6 +692,9 @@ static void draw_constraint (uiBlock *bl
 				but=uiDefButBitI(block, TOG, LOCLIKE_X, B_CONSTRAINT_TEST, "X", *xco+((width/2)-48), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Copy X component");
 				but=uiDefButBitI(block, TOG, LOCLIKE_Y, B_CONSTRAINT_TEST, "Y", *xco+((width/2)-16), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Copy Y component");
 				but=uiDefButBitI(block, TOG, LOCLIKE_Z, B_CONSTRAINT_TEST, "Z", *xco+((width/2)+16), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Copy Z component");
+				but=uiDefButBitI(block, TOG, LOCLIKE_X_INVERT, B_CONSTRAINT_TEST, "X-", *xco+((width/2)+48), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Invert X component");
+				but=uiDefButBitI(block, TOG, LOCLIKE_Y_INVERT, B_CONSTRAINT_TEST, "Y-", *xco+((width/2)+96), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Invert Y component");
+				but=uiDefButBitI(block, TOG, LOCLIKE_Z_INVERT, B_CONSTRAINT_TEST, "Z-", *xco+((width/2)+128), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Invert Z component");
 				uiBlockEndAlign(block);
 			}
 			break;
@@ -723,6 +726,9 @@ static void draw_constraint (uiBlock *bl
 				but=uiDefButBitI(block, TOG, ROTLIKE_X, B_CONSTRAINT_TEST, "X", *xco+((width/2)-48), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Copy X component");
 				but=uiDefButBitI(block, TOG, ROTLIKE_Y, B_CONSTRAINT_TEST, "Y", *xco+((width/2)-16), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Copy Y component");
 				but=uiDefButBitI(block, TOG, ROTLIKE_Z, B_CONSTRAINT_TEST, "Z", *xco+((width/2)+16), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Copy Z component");
+				but=uiDefButBitI(block, TOG, ROTLIKE_X_INVERT, B_CONSTRAINT_TEST, "X-", *xco+((width/2)+48), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Invert X component");
+				but=uiDefButBitI(block, TOG, ROTLIKE_Y_INVERT, B_CONSTRAINT_TEST, "Y-", *xco+((width/2)+96), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Invert Y component");
+				but=uiDefButBitI(block, TOG, ROTLIKE_Z_INVERT, B_CONSTRAINT_TEST, "Z-", *xco+((width/2)+128), *yco-64, 32, 18, &data->flag, 0, 24, 0, 0, "Invert Z component");
 				uiBlockEndAlign(block);
 			}
 			break;
@@ -3129,4 +3135,3 @@ void physics_panels()
 		object_panel_fluidsim(ob);
 	}
 }
-