From 8a6d70bcb149ef429a810b4acd2fe2073b30a40f Mon Sep 17 00:00:00 2001
From: Joseph Eagar <joeedh@gmail.com>
Date: Thu, 18 Jun 2009 03:04:27 +0000
Subject: [PATCH] ctrl-click to make an isolated vert works again

---
 source/blender/bmesh/intern/bmesh_opdefines.c | 11 +++++++-
 .../bmesh/intern/bmesh_operators_private.h    |  2 ++
 source/blender/bmesh/operators/utils.c        |  9 ++++++
 source/blender/editors/mesh/bmesh_tools.c     | 28 +++++++++----------
 4 files changed, 35 insertions(+), 15 deletions(-)

diff --git a/source/blender/bmesh/intern/bmesh_opdefines.c b/source/blender/bmesh/intern/bmesh_opdefines.c
index 5a445dec9ec..d9028da665f 100644
--- a/source/blender/bmesh/intern/bmesh_opdefines.c
+++ b/source/blender/bmesh/intern/bmesh_opdefines.c
@@ -3,7 +3,14 @@
 
 #include <stdio.h>
 
-/*applies a transform to vertices*/
+BMOpDefine def_makevert = {
+	"makevert",
+	{{BMOP_OPSLOT_VEC, "co"},
+	{BMOP_OPSLOT_ELEMENT_BUF, "newvertout"},
+	{0, /*null-terminating sentinel*/}},
+	bmesh_makevert_exec,
+	0,
+};
 
 /*contextual_create is fkey, it creates
   new faces, makes stuff from edge nets,
@@ -47,6 +54,7 @@ BMOpDefine def_translate= {
 };
 
 
+/*applies a transform to vertices*/
 BMOpDefine def_transform = {
 	"transform",
 	{{BMOP_OPSLOT_MAT, "mat"},
@@ -248,6 +256,7 @@ BMOpDefine *opdefines[] = {
 	&def_rotate,
 	&def_edgenet_fill,
 	&def_contextual_create,
+	&def_makevert,
 };
 
 int bmesh_total_ops = (sizeof(opdefines) / sizeof(void*));
diff --git a/source/blender/bmesh/intern/bmesh_operators_private.h b/source/blender/bmesh/intern/bmesh_operators_private.h
index e580d70ffc3..da3e37d9c26 100644
--- a/source/blender/bmesh/intern/bmesh_operators_private.h
+++ b/source/blender/bmesh/intern/bmesh_operators_private.h
@@ -28,5 +28,7 @@ void bmesh_transform_exec(BMesh *bm, BMOperator *op);
 void bmesh_contextual_create_exec(BMesh *bm, BMOperator *op);
 void bmesh_edgenet_fill_exec(BMesh *bm, BMOperator *op);
 void bmesh_rotate_exec(BMesh *bm, BMOperator *op);
+void bmesh_makevert_exec(BMesh *bm, BMOperator *op);
+
 
 #endif
diff --git a/source/blender/bmesh/operators/utils.c b/source/blender/bmesh/operators/utils.c
index f4e9f2e2b1a..3e25272c144 100644
--- a/source/blender/bmesh/operators/utils.c
+++ b/source/blender/bmesh/operators/utils.c
@@ -32,6 +32,15 @@
  *
 */
 
+void bmesh_makevert_exec(BMesh *bm, BMOperator *op) {
+	float vec[3];
+
+	BMO_Get_Vec(op, "co", vec);
+
+	BMO_SetFlag(bm, BM_Make_Vert(bm, vec, NULL), 1);	
+	BMO_Flag_To_Slot(bm, op, "newvertout", 1, BM_VERT);
+}
+
 void bmesh_transform_exec(BMesh *bm, BMOperator *op) {
 	BMOIter iter;
 	BMVert *v;
diff --git a/source/blender/editors/mesh/bmesh_tools.c b/source/blender/editors/mesh/bmesh_tools.c
index 01c3f0c8e21..711aac4f88d 100644
--- a/source/blender/editors/mesh/bmesh_tools.c
+++ b/source/blender/editors/mesh/bmesh_tools.c
@@ -450,7 +450,6 @@ short EDBM_Extrude_edges_indiv(BMEditMesh *em, short flag, float *nor)
 short EDBM_Extrude_verts_indiv(BMEditMesh *em, wmOperator *op, short flag, float *nor) 
 {
 	BMOperator bmop;
-	BMIter iter;
 	BMOIter siter;
 	BMVert *v;
 
@@ -912,26 +911,27 @@ static int dupli_extrude_cursor(bContext *C, wmOperator *op, wmEvent *event)
 		EDBM_CallOpf(vc.em, op, "translate verts=%hv vec=%v",
 			BM_SELECT, min);
 	}
-	/*
 	else {
-		float mat[3][3],imat[3][3];
 		float *curs= give_cursor(vc.scene, vc.v3d);
+		BMOperator bmop;
+		BMOIter oiter;
 		
 		VECCOPY(min, curs);
-		view3d_get_view_aligned_coordinate(&vc, min, event->mval);
-		
-		eve= addvertlist(vc.em, 0, NULL);
 
-		Mat3CpyMat4(mat, vc.obedit->obmat);
-		Mat3Inv(imat, mat);
+		view3d_get_view_aligned_coordinate(&vc, min, event->mval);
+		Mat4Invert(vc.obedit->imat, vc.obedit->obmat); 
+		Mat4MulVecfl(vc.obedit->imat, min); // back in object space
 		
-		VECCOPY(eve->co, min);
-		Mat3MulVecfl(imat, eve->co);
-		VecSubf(eve->co, eve->co, vc.obedit->obmat[3]);
-		
-		eve->f= SELECT;
+		EDBM_InitOpf(vc.em, &bmop, op, "makevert co=%v", min);
+		BMO_Exec_Op(vc.em->bm, &bmop);
+
+		BMO_ITER(v1, &oiter, vc.em->bm, &bmop, "newvertout") {
+			BM_Select(vc.em->bm, v1, 1);
+		}
+
+		if (!EDBM_FinishOp(vc.em, &bmop, op, 1))
+			return OPERATOR_CANCELLED;
 	}
-	*/
 
 	//retopo_do_all();
 	WM_event_add_notifier(C, NC_OBJECT|ND_GEOM_SELECT, vc.obedit);