Small fixes;

- Bone Ghost drawing now skips axes and names
- "Snap to cursor" now works for parent-less bones in PoseMode
- Prevented assigning in buttons of negative zero (was confusing)

source/blender/render/intern/source/zbuf.c

@@ -2576,14 +2576,15 @@ static void set_faces_raycountflag(void)
 		}
 		else vlr++;
 		
-		if(vlr->v4) {
+		if(vlr->v4)
 			clipval= vlr->v1->flag & vlr->v2->flag & vlr->v3->flag & vlr->v4->flag;
-			if(clipval==64 || clipval==128)
-				vlr->raycount= 0;
-			else
-				vlr->raycount= 1;
-		}
-		else vlr->raycount= 1;
+		else
+			clipval= vlr->v1->flag & vlr->v2->flag & vlr->v3->flag;
+			
+		if(clipval==64 || clipval==128)
+			vlr->raycount= 0;
+		else
+			vlr->raycount= 1;
 	}
 }
 
@@ -2635,7 +2636,7 @@ static void zbuffer_abuf()
 
 					if(vlr->flag & R_VISIBLE) {
 						
-								/* a little advantage for transp rendering (a z offset) */
+						/* a little advantage for transp rendering (a z offset) */
 						if( ma->zoffs != 0.0) {
 							mul= 0x7FFFFFFF;
 							zval= mul*(1.0+vlr->v1->ho[2]/vlr->v1->ho[3]);

source/blender/src/drawarmature.c

@@ -1722,7 +1722,7 @@ static void draw_ghost_poses(Base *base)
 	bPose *posen, *poseo;
 	bActionStrip *strip;
 	float cur, start, end, stepsize, range, colfac, actframe;
-	int cfrao, maptime;
+	int cfrao, maptime, flago;
 	
 	/* pre conditions, get an action with sufficient frames */
 	if(ob->action==NULL)
@@ -1747,13 +1747,15 @@ static void draw_ghost_poses(Base *base)
 	cfrao= CFRA;
 	if(maptime) actframe= get_action_frame(ob, (float)CFRA);
 	else actframe= CFRA;
+	flago= arm->flag;
+	arm->flag &= ~(ARM_DRAWNAMES|ARM_DRAWAXES);
 	
 	/* copy the pose */
 	poseo= ob->pose;
 	copy_pose(&posen, ob->pose, 1);
 	ob->pose= posen;
 	armature_rebuild_pose(ob, ob->data);	/* child pointers for IK */
-
+	
 	glEnable(GL_BLEND);
 	if(G.vd->zbuf) glDisable(GL_DEPTH_TEST);
 	
@@ -1794,8 +1796,10 @@ static void draw_ghost_poses(Base *base)
 	free_pose_channels(posen);
 	MEM_freeN(posen);
 	
+	/* restore */
 	CFRA= cfrao;
 	ob->pose= poseo;
+	arm->flag= flago;
 	armature_rebuild_pose(ob, ob->data);
 	
 	ob->flag |= OB_POSEMODE;

source/blender/src/edit.c

@@ -1155,7 +1155,23 @@ void snap_sel_to_curs()
 		if( ( ((base)->flag & SELECT) && ((base)->lay & G.vd->lay) && ((base)->object->id.lib==0))) {
 			ob= base->object;
 			if(ob->flag & OB_POSEMODE) {
-				; // todo
+				bPoseChannel *pchan;
+				float cursp[3];
+				
+				Mat4Invert(ob->imat, ob->obmat);
+				VECCOPY(cursp, curs);
+				Mat4MulVecfl(ob->imat, cursp);
+				
+				for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
+					if(pchan->bone->flag & BONE_SELECTED) {
+						if(pchan->parent==NULL) {
+							VECCOPY(pchan->loc, cursp);
+						}
+						/* else todo... */
+					}
+				}
+				ob->pose->flag |= (POSE_LOCKED|POSE_DO_UNLOCK);
+				ob->recalc |= OB_RECALC_DATA;
 			}
 			else {
 				ob->recalc |= OB_RECALC_OB;

source/blender/src/interface.c

@@ -4124,7 +4124,7 @@ static void ui_set_but_val(uiBut *but, double value)
 
 	if(but->pointype==0) return;
 	poin= but->poin;
-
+	
 	/* value is a hsv value: convert to rgb */
 	if( but->type==HSVSLI ) {
 		float h, s, v, *fp= (float *)but->poin;
@@ -4153,8 +4153,11 @@ static void ui_set_but_val(uiBut *but, double value)
 	}
 	else if( but->pointype==INT )
 		*((int *)poin)= (int)floor(value+0.5);
-	else if( but->pointype==FLO )
-		*((float *)poin)= value;
+	else if( but->pointype==FLO ) {
+		float fval= (float)value;
+		if(fval>= -0.00001f && fval<= 0.00001f) fval= 0.0f;	/* prevent negative zero */
+		*((float *)poin)= fval;
+	}
 	
 	/* update select flag */
 	ui_is_but_sel(but);