[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [45169] trunk/blender/source/blender: fix [#30257] bmesh: Rip "V" don't work on end vertex
Campbell Barton
ideasman42 at gmail.com
Mon Mar 26 14:02:47 CEST 2012
Revision: 45169
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=45169
Author: campbellbarton
Date: 2012-03-26 12:02:41 +0000 (Mon, 26 Mar 2012)
Log Message:
-----------
fix [#30257] bmesh: Rip "V" don't work on end vertex
added option to edgesplit bmesh operator to take tagged vertices as well so an edge at a boundary can split without splitting off the boundary vertex.
the behavior/speed of the edge split modifier and tool remainss the same, this is only used for rip.
Modified Paths:
--------------
trunk/blender/source/blender/bmesh/intern/bmesh_opdefines.c
trunk/blender/source/blender/bmesh/operators/bmo_edgesplit.c
trunk/blender/source/blender/editors/mesh/editmesh_tools.c
Modified: trunk/blender/source/blender/bmesh/intern/bmesh_opdefines.c
===================================================================
--- trunk/blender/source/blender/bmesh/intern/bmesh_opdefines.c 2012-03-26 11:44:03 UTC (rev 45168)
+++ trunk/blender/source/blender/bmesh/intern/bmesh_opdefines.c 2012-03-26 12:02:41 UTC (rev 45169)
@@ -893,6 +893,9 @@
"edgesplit",
{{BMO_OP_SLOT_ELEMENT_BUF, "edges"}, /* input edges */
{BMO_OP_SLOT_ELEMENT_BUF, "edgeout"}, /* old output disconnected edges */
+ /* needed for vertex rip so we can rip only half an edge at a boundary wich would otherwise split off */
+ {BMO_OP_SLOT_ELEMENT_BUF, "verts"}, /* optional tag verts, use to have greater control of splits */
+ {BMO_OP_SLOT_BOOL, "use_verts"}, /* use 'verts' for splitting, else just find verts to split from edges */
{0} /* null-terminating sentine */},
bmo_edgesplit_exec,
BMO_OP_FLAG_UNTAN_MULTIRES
Modified: trunk/blender/source/blender/bmesh/operators/bmo_edgesplit.c
===================================================================
--- trunk/blender/source/blender/bmesh/operators/bmo_edgesplit.c 2012-03-26 11:44:03 UTC (rev 45168)
+++ trunk/blender/source/blender/bmesh/operators/bmo_edgesplit.c 2012-03-26 12:02:41 UTC (rev 45169)
@@ -32,6 +32,10 @@
EDGE_SEAM = 1
};
+enum {
+ VERT_SEAM = 2
+};
+
/**
* Remove the EDGE_SEAM flag for edges we cant split
*
@@ -88,13 +92,35 @@
MEM_freeN(vtouch);
}
+/* keep this operator fast, its used in a modifier */
void bmo_edgesplit_exec(BMesh *bm, BMOperator *op)
{
BMOIter siter;
BMEdge *e;
+ const int use_verts = BMO_slot_bool_get(op, "use_verts");
BMO_slot_buffer_flag_enable(bm, op, "edges", BM_EDGE, EDGE_SEAM);
+ if (use_verts) {
+ /* this slows down the operation but its ok because the modifier doesn't use */
+ BMO_slot_buffer_flag_enable(bm, op, "verts", BM_VERT, VERT_SEAM);
+
+ /* prevent one edge having both verts unflagged
+ * we could alternately disable these edges, either way its a corner case.
+ *
+ * This is needed so we don't split off the edge but then none of its verts which
+ * would leave a duplicate edge.
+ */
+ BMO_ITER(e, &siter, bm, op, "edges", BM_EDGE) {
+ if (UNLIKELY((BMO_elem_flag_test(bm, e->v1, VERT_SEAM) == FALSE &&
+ (BMO_elem_flag_test(bm, e->v2, VERT_SEAM) == FALSE))))
+ {
+ BMO_elem_flag_enable(bm, e->v1, VERT_SEAM);
+ BMO_elem_flag_enable(bm, e->v2, VERT_SEAM);
+ }
+ }
+ }
+
bm_edgesplit_validate_seams(bm, op);
BMO_ITER(e, &siter, bm, op, "edges", BM_EDGE) {
@@ -108,6 +134,17 @@
}
}
+ if (use_verts) {
+ BMO_ITER(e, &siter, bm, op, "edges", BM_EDGE) {
+ if (BMO_elem_flag_test(bm, e->v1, VERT_SEAM) == FALSE) {
+ BM_elem_flag_disable(e->v1, BM_ELEM_TAG);
+ }
+ if (BMO_elem_flag_test(bm, e->v2, VERT_SEAM) == FALSE) {
+ BM_elem_flag_disable(e->v2, BM_ELEM_TAG);
+ }
+ }
+ }
+
BMO_ITER(e, &siter, bm, op, "edges", BM_EDGE) {
if (BMO_elem_flag_test(bm, e, EDGE_SEAM)) {
if (BM_elem_flag_test(e->v1, BM_ELEM_TAG)) {
Modified: trunk/blender/source/blender/editors/mesh/editmesh_tools.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/editmesh_tools.c 2012-03-26 11:44:03 UTC (rev 45168)
+++ trunk/blender/source/blender/editors/mesh/editmesh_tools.c 2012-03-26 12:02:41 UTC (rev 45169)
@@ -1227,9 +1227,7 @@
BMOperator bmop;
int len = 0;
- if (!EDBM_InitOpf(em, &bmop, op, "edgesplit edges=%he",
- BM_ELEM_SELECT))
- {
+ if (!EDBM_InitOpf(em, &bmop, op, "edgesplit edges=%he", BM_ELEM_SELECT)) {
return OPERATOR_CANCELLED;
}
BMO_op_exec(bm, &bmop);
@@ -2305,7 +2303,8 @@
}
}
- if (!EDBM_InitOpf(em, &bmop, op, "edgesplit edges=%he", BM_ELEM_TAG)) {
+ if (!EDBM_InitOpf(em, &bmop, op, "edgesplit edges=%he verts=%hv use_verts=%b",
+ BM_ELEM_TAG, BM_ELEM_SELECT, TRUE)) {
return OPERATOR_CANCELLED;
}
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