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part 1 of vkey rip tool. still needs more work. ugh, doing this tool correctly is a nightmare.

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This commit is contained in:
Joseph Eagar 2009-10-07 21:19:58 +00:00
parent c75e1598dd
commit d4a9660b99
14 changed files with 1185 additions and 314 deletions
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42
source/blender/blenkernel/intern/editderivedbmesh.c
View File

@ -882,32 +882,50 @@ static void bmDM_drawFacesTex_common(DerivedMesh *dm,
bmdm_get_tri_tex(bm, ls, luv, lcol, has_uv, has_vcol); bmdm_get_tri_tex(bm, ls, luv, lcol, has_uv, has_vcol);
glTexCoord2fv(luv[0]->uv); if (luv[0])
glColor3ub(lcol[0]->r, lcol[0]->g, lcol[0]->b); glTexCoord2fv(luv[0]->uv);
if (lcol[0])
glColor3ub(lcol[0]->r, lcol[0]->g, lcol[0]->b);
else glColor3ub(0, 0, 0);
glVertex3fv(ls[0]->v->co); glVertex3fv(ls[0]->v->co);
glTexCoord2fv(luv[1]->uv); if (luv[1])
glColor3ub(lcol[1]->r, lcol[1]->g, lcol[1]->b); glTexCoord2fv(luv[1]->uv);
if (lcol[1])
glColor3ub(lcol[1]->r, lcol[1]->g, lcol[1]->b);
else glColor3ub(0, 0, 0);
glVertex3fv(ls[1]->v->co); glVertex3fv(ls[1]->v->co);
glTexCoord2fv(luv[2]->uv); if (luv[2])
glColor3ub(lcol[2]->r, lcol[2]->g, lcol[2]->b); glTexCoord2fv(luv[2]->uv);
if (lcol[2])
glColor3ub(lcol[2]->r, lcol[2]->g, lcol[2]->b);
else glColor3ub(0, 0, 0);
glVertex3fv(ls[2]->v->co); glVertex3fv(ls[2]->v->co);
} else { } else {
bmdm_get_tri_tex(bm, ls, luv, lcol, has_uv, has_vcol); bmdm_get_tri_tex(bm, ls, luv, lcol, has_uv, has_vcol);
glTexCoord2fv(luv[0]->uv); if (luv[0])
glColor3ub(lcol[0]->r, lcol[0]->g, lcol[0]->b); glTexCoord2fv(luv[0]->uv);
if (lcol[0])
glColor3ub(lcol[0]->r, lcol[0]->g, lcol[0]->b);
else glColor3ub(0, 0, 0);
glNormal3fv(ls[0]->v->no); glNormal3fv(ls[0]->v->no);
glVertex3fv(ls[0]->v->co); glVertex3fv(ls[0]->v->co);
glTexCoord2fv(luv[1]->uv); if (luv[1])
glColor3ub(lcol[1]->r, lcol[1]->g, lcol[1]->b); glTexCoord2fv(luv[1]->uv);
if (lcol[1])
glColor3ub(lcol[1]->r, lcol[1]->g, lcol[1]->b);
else glColor3ub(0, 0, 0);
glNormal3fv(ls[1]->v->no); glNormal3fv(ls[1]->v->no);
glVertex3fv(ls[1]->v->co); glVertex3fv(ls[1]->v->co);
glTexCoord2fv(luv[2]->uv); if (luv[2])
glColor3ub(lcol[2]->r, lcol[2]->g, lcol[2]->b); glTexCoord2fv(luv[2]->uv);
if (lcol[2])
glColor3ub(lcol[2]->r, lcol[2]->g, lcol[2]->b);
else glColor3ub(0, 0, 0);
glNormal3fv(ls[2]->v->no); glNormal3fv(ls[2]->v->no);
glVertex3fv(ls[2]->v->co); glVertex3fv(ls[2]->v->co);
} }

43
source/blender/blenlib/BLI_array.h
View File

@ -30,10 +30,16 @@
/* /*
this library needs to be changed to not use macros quite so heavily, this library needs to be changed to not use macros quite so heavily,
and to be more of a complete vector array API. The way arrays are and to be more of a complete array API. The way arrays are
exposed to client code as normal C arrays is very useful though, imho. exposed to client code as normal C arrays is very useful though, imho.
it does require some use of macros, however. it does require some use of macros, however.
anyway, it's used a bit too heavily to simply rewrite as a
more "correct" solution without macros entirely. I originally wrote this
to be very easy to use, without the normal pain of most array libraries.
This was especially helpful when it came to the massive refactors necessary for
bmesh, and really helped to speed the process up. - joeedh
little array macro library. example of usage: little array macro library. example of usage:
int *arr = NULL; int *arr = NULL;
@ -51,28 +57,35 @@ the array size is doubled). supposedly this should give good Big Oh
behaviour, though it may not be the best in practice. behaviour, though it may not be the best in practice.
*/ */
#define BLI_array_declare(vec) int _##vec##_count=0; void *_##vec##_tmp #define BLI_array_declare(arr) int _##arr##_count=0; void *_##arr##_tmp
/*this returns the entire size of the array, including any buffering.*/ /*this returns the entire size of the array, including any buffering.*/
#define BLI_array_totalsize(vec) ((signed int)((vec)==NULL ? 0 : MEM_allocN_len(vec) / sizeof(*vec))) #define BLI_array_totalsize(arr) ((signed int)((arr)==NULL ? 0 : MEM_allocN_len(arr) / sizeof(*arr)))
/*this returns the logical size of the array, not including buffering.*/ /*this returns the logical size of the array, not including buffering.*/
#define BLI_array_count(vec) _##vec##_count #define BLI_array_count(arr) _##arr##_count
/*grow the array by one. zeroes the new elements.*/ /*grow the array by one. zeroes the new elements.*/
#define BLI_array_growone(vec) \ #define BLI_array_growone(arr) \
BLI_array_totalsize(vec) > _##vec##_count ? _##vec##_count++ : \ BLI_array_totalsize(arr) > _##arr##_count ? _##arr##_count++ : \
((_##vec##_tmp = MEM_callocN(sizeof(*vec)*(_##vec##_count*2+2), #vec " " __FILE__ " ")),\ ((_##arr##_tmp = MEM_callocN(sizeof(*arr)*(_##arr##_count*2+2), #arr " " __FILE__ " ")),\
(vec && memcpy(_##vec##_tmp, vec, sizeof(*vec) * _##vec##_count)),\ (arr && memcpy(_##arr##_tmp, arr, sizeof(*arr) * _##arr##_count)),\
(vec && (MEM_freeN(vec),1)),\ (arr && (MEM_freeN(arr),1)),\
(vec = _##vec##_tmp),\ (arr = _##arr##_tmp),\
_##vec##_count++) _##arr##_count++)
#define BLI_array_free(vec) if (vec) MEM_freeN(vec); /*appends an item to the array and returns a pointer to the item in the array.
item is not a pointer, but actual data value.*/
#define BLI_array_append(arr, item) (BLI_array_growone(arr), arr[_##arr##_count] = item, (arr+_##arr##_count))
/*grow an array by a specified number of items.*/
#define BLI_array_growitems(arr, num) {int _i; for (_i=0; _i<(num); _i++) {BLI_array_growone(arr);}}
#define BLI_array_free(arr) if (arr) MEM_freeN(arr)
/*resets the logical size of an array to zero, but doesn't /*resets the logical size of an array to zero, but doesn't
free the memory.*/ free the memory.*/
#define BLI_array_empty(vec) _##vec##_count=0 #define BLI_array_empty(arr) _##arr##_count=0
/*set the count of the array*/ /*set the count of the array, doesn't actually increase the allocated array
#define BLI_array_set_length(vec, count) _##vec##_count = (count) size. don't use this unless you know what your doing.*/
#define BLI_array_set_length(arr, count) _##arr##_count = (count)

2
source/blender/bmesh/bmesh_queries.h
View File

@ -13,7 +13,7 @@ int BM_Count_Element(struct BMesh *bm, int type);
/*returns true if v is in f*/ /*returns true if v is in f*/
int BM_Vert_In_Face(struct BMFace *f, struct BMVert *v); int BM_Vert_In_Face(struct BMFace *f, struct BMVert *v);
// int BM_VERTS_OF_MESH_In_Face(struct BMFace *f, struct BMVert **varr, int len); // int BM_Verts_In_Face(struct BMFace *f, struct BMVert **varr, int len);
int BM_Verts_In_Face(struct BMesh *bm, struct BMFace *f, struct BMVert **varr, int len); int BM_Verts_In_Face(struct BMesh *bm, struct BMFace *f, struct BMVert **varr, int len);
int BM_Edge_In_Face(struct BMFace *f, struct BMEdge *e); int BM_Edge_In_Face(struct BMFace *f, struct BMEdge *e);

25
source/blender/bmesh/intern/bmesh_opdefines.c
View File

@ -154,12 +154,13 @@ BMOpDefine def_reversefaces = {
}; };
/* /*
Edge Split Edge Bisect
Splits input edges (but doesn't do anything else). Splits input edges (but doesn't do anything else).
This creates a 2-valence vert.
*/ */
BMOpDefine def_edgesplit = { BMOpDefine def_edgebisect = {
"edgesplit", "edgebisect",
{{BMOP_OPSLOT_ELEMENT_BUF, "edges"}, //input edges {{BMOP_OPSLOT_ELEMENT_BUF, "edges"}, //input edges
{BMOP_OPSLOT_INT, "numcuts"}, //number of cuts {BMOP_OPSLOT_INT, "numcuts"}, //number of cuts
{BMOP_OPSLOT_ELEMENT_BUF, "outsplit"}, //newly created vertices and edges {BMOP_OPSLOT_ELEMENT_BUF, "outsplit"}, //newly created vertices and edges
@ -802,6 +803,21 @@ BMOpDefine def_vertexshortestpath = {
0 0
}; };
/*
Edge Split
Disconnects faces along input edges.
*/
BMOpDefine def_edgesplit = {
"edgesplit",
{{BMOP_OPSLOT_ELEMENT_BUF, "edges"}, /* input edges */
{BMOP_OPSLOT_ELEMENT_BUF, "edgeout1"}, /* old output disconnected edges */
{BMOP_OPSLOT_ELEMENT_BUF, "edgeout2"}, /* new output disconnected edges */
{0} /*null-terminating sentinel*/},
bmesh_edgesplitop_exec,
0
};
BMOpDefine *opdefines[] = { BMOpDefine *opdefines[] = {
&def_splitop, &def_splitop,
&def_dupeop, &def_dupeop,
@ -831,7 +847,7 @@ BMOpDefine *opdefines[] = {
&def_removedoubles, &def_removedoubles,
&def_finddoubles, &def_finddoubles,
&def_mirror, &def_mirror,
&def_edgesplit, &def_edgebisect,
&def_reversefaces, &def_reversefaces,
&def_edgerotate, &def_edgerotate,
&def_regionextend, &def_regionextend,
@ -855,6 +871,7 @@ BMOpDefine *opdefines[] = {
&def_meshreversecolors, &def_meshreversecolors,
&def_vertexshortestpath, &def_vertexshortestpath,
&def_scale, &def_scale,
&def_edgesplit,
}; };
int bmesh_total_ops = (sizeof(opdefines) / sizeof(void*)); int bmesh_total_ops = (sizeof(opdefines) / sizeof(void*));

1
source/blender/bmesh/intern/bmesh_operators_private.h
View File

@ -59,4 +59,5 @@ void bmesh_rotatecolors_exec(BMesh *bm, BMOperator *op);
void bmesh_reversecolors_exec(BMesh *bm, BMOperator *op); void bmesh_reversecolors_exec(BMesh *bm, BMOperator *op);
void bmesh_vertexshortestpath_exec(BMesh *bm, BMOperator *op); void bmesh_vertexshortestpath_exec(BMesh *bm, BMOperator *op);
void bmesh_scale_exec(BMesh *bm, BMOperator *op); void bmesh_scale_exec(BMesh *bm, BMOperator *op);
void bmesh_edgesplitop_exec(BMesh *bm, BMOperator *op);
#endif #endif

3
source/blender/bmesh/intern/bmesh_queries.c
View File

@ -184,6 +184,9 @@ BMEdge *BM_Edge_Exist(BMVert *v1, BMVert *v2)
BMEdge *curedge; BMEdge *curedge;
int i, len=0; int i, len=0;
if (!v1 || !v2 || v1 == v2)
return NULL;
if(v1->edge){ if(v1->edge){
diskbase = bmesh_disk_getpointer(v1->edge,v1); diskbase = bmesh_disk_getpointer(v1->edge,v1);
len = bmesh_cycle_length(diskbase); len = bmesh_cycle_length(diskbase);

357
source/blender/bmesh/operators/edgesplitop.c Normal file
View File

@ -0,0 +1,357 @@
/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Contributor(s): Joseph Eagar
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "MEM_guardedalloc.h"
#include "BKE_utildefines.h"
#include "BLI_arithb.h"
#include "BLI_rand.h"
#include "BLI_ghash.h"
#include "BLI_array.h"
#include "DNA_object_types.h"
#include "ED_mesh.h"
#include "bmesh.h"
#include "mesh_intern.h"
#include "subdivideop.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
typedef struct EdgeTag {
BMVert *newv1, *newv2;
BMEdge *newe1, *newe2;
int tag;
} EdgeTag;
#define EDGE_SEAM 1
#define EDGE_DEL 2
#define EDGE_MARK 4
#define EDGE_RET1 8
#define EDGE_RET2 16
#define FACE_DEL 1
#define FACE_NEW 2
static BMFace *remake_face(BMesh *bm, EdgeTag *etags, BMFace *f, BMVert **verts)
{
BMIter liter1, liter2;
EdgeTag *et;
BMFace *f2;
BMLoop *l, *l2;
BMEdge **edges = (BMEdge**) verts; /*he he, can reuse this, sneaky! ;)*/
BMVert *lastv1, *lastv2, *v1, *v2;
int i;
/*we do final edge last*/
lastv1 = verts[f->len-1];
lastv2 = verts[0];
v1 = verts[0];
v2 = verts[1];
for (i=0; i<f->len-1; i++) {
edges[i] = BM_Make_Edge(bm, verts[i], verts[i+1], NULL, 1);
if (!edges[i])
return NULL;
}
edges[i] = BM_Make_Edge(bm, lastv1, lastv2, NULL, 1);
f2 = BM_Make_Ngon(bm, v1, v2, edges, f->len, 0);
if (!f2)
return NULL;
BM_Copy_Attributes(bm, bm, f, f2);
l = BMIter_New(&liter1, bm, BM_LOOPS_OF_FACE, f);
l2 = BMIter_New(&liter2, bm, BM_LOOPS_OF_FACE, f2);
for (; l && l2; l=BMIter_Step(&liter1), l2=BMIter_Step(&liter2)) {
BM_Copy_Attributes(bm, bm, l, l2);
if (l->e != l2->e) {
/*set up data for figuring out the two sides of
the splits*/
BMINDEX_SET(l2->e, BMINDEX_GET(l->e));
et = etags + BMINDEX_GET(l->e);
if (!et->newe1) et->newe1 = l2->e;
else et->newe2 = l2->e;
if (BMO_TestFlag(bm, l->e, EDGE_SEAM))
BMO_SetFlag(bm, l2->e, EDGE_SEAM);
BM_Copy_Attributes(bm, bm, l->e, l2->e);
}
BMO_SetFlag(bm, l->e, EDGE_MARK);
BMO_SetFlag(bm, l2->e, EDGE_MARK);
}
return f2;
}
void tag_out_edges(BMesh *bm, EdgeTag *etags, BMOperator *op)
{
EdgeTag *et;
BMIter iter;
BMLoop *l, *startl;
BMEdge *e;
BMVert *v;
int i;
while (1) {
BM_ITER(e, &iter, bm, BM_EDGES_OF_MESH, NULL) {
if (!BMO_TestFlag(bm, e, EDGE_SEAM))
continue;
et = etags + BMINDEX_GET(e);
if (!et->tag && e->loop) {
break;
}
}
if (!e)
break;
/*ok we found an edge, part of a region of splits we need
to identify. now walk along it.*/
for (i=0; i<2; i++) {
l = e->loop;
v = i ? ((BMLoop*)l->head.next)->v : l->v;
while (1) {
et = etags + BMINDEX_GET(l->e);
if (et->newe1 == l->e) {
if (et->newe1) {
BMO_SetFlag(bm, et->newe1, EDGE_RET1);
BMO_ClearFlag(bm, et->newe1, EDGE_SEAM);
}
if (et->newe2) {
BMO_SetFlag(bm, et->newe2, EDGE_RET2);
BMO_ClearFlag(bm, et->newe2, EDGE_SEAM);
}
} else {
if (et->newe1) {
BMO_SetFlag(bm, et->newe1, EDGE_RET2);
BMO_ClearFlag(bm, et->newe1, EDGE_SEAM);
}
if (et->newe2) {
BMO_SetFlag(bm, et->newe2, EDGE_RET1);
BMO_ClearFlag(bm, et->newe2, EDGE_SEAM);
}
}
startl = l;
do {
l = BM_OtherFaceLoop(l->e, l->f, v);
if (BM_Edge_FaceCount(l->e) != 2)
break;
l = (BMLoop*) l->radial.next->data;
} while (l != startl && !BMO_TestFlag(bm, l->e, EDGE_SEAM));
if (l == startl || !BMO_TestFlag(bm, l->e, EDGE_SEAM))
break;
if (l->v == v) {
v = ((BMLoop*)l->head.next)->v;
} else v = l->v;
}
}
}
}
void bmesh_edgesplitop_exec(BMesh *bm, BMOperator *op)
{
EdgeTag *etags, *et;
BMIter iter, liter;
BMOIter siter;
BMFace *f, *f2;
BMLoop *l, *nextl, *prevl, *l2, *l3;
BMEdge *e, *e2;
BLI_array_declare(verts);
BMVert *v, *v2, **verts = NULL;
int i, j;
BMO_Flag_Buffer(bm, op, "edges", EDGE_SEAM, BM_EDGE);
/*single marked edges unconnected to any other marked edges
are illegal, go through and unmark them*/
BMO_ITER(e, &siter, bm, op, "edges", BM_EDGE) {
for (i=0; i<2; i++) {
BM_ITER(e2, &iter, bm, BM_EDGES_OF_VERT, i ? e->v2 : e->v1) {
if (e != e2 && BMO_TestFlag(bm, e2, EDGE_SEAM))
break;
}
if (e2)
break;
}
if (!e2)
BMO_ClearFlag(bm, e, EDGE_SEAM);
}
etags = MEM_callocN(sizeof(EdgeTag)*bm->totedge, "EdgeTag");
i = 0;
BM_ITER(e, &iter, bm, BM_EDGES_OF_MESH, NULL) {
BMINDEX_SET(e, i);
i++;
}
#ifdef ETV
#undef ETV
#endif
#ifdef SETETV
#undef SETETV
#endif
#define ETV(et, v, l) (l->e->v1 == v ? et->newv1 : et->newv2)
#define SETETV(et, v, l, vs) l->e->v1 == v ? (et->newv1 = vs) : (et->newv2 = vs)
BM_ITER(f, &iter, bm, BM_FACES_OF_MESH, NULL) {
if (BMO_TestFlag(bm, f, FACE_NEW))
continue;
BLI_array_empty(verts);
BLI_array_growitems(verts, f->len);
memset(verts, 0, sizeof(BMVert*)*f->len);
i = 0;
BM_ITER(l, &liter, bm, BM_LOOPS_OF_FACE, f) {
if (!BMO_TestFlag(bm, l->e, EDGE_SEAM)) {
if (!verts[i]) {
et = etags + BMINDEX_GET(l->e);
if (ETV(et, l->v, l))
verts[i] = ETV(et, l->v, l);
else verts[i] = l->v;
}
i++;
continue;
}
BMO_SetFlag(bm, l->e, EDGE_DEL);
nextl = (BMLoop*) l->head.next;
prevl = (BMLoop*) l->head.prev;
for (j=0; j<2; j++) {
l2 = j ? nextl : prevl;
v = j ? l2->v : l->v;
if (BMO_TestFlag(bm, l2->e, EDGE_SEAM)) {
if (!verts[j ? (i+1) % f->len : i]) {
/*make unique vert here for this face only*/
v2 = BM_Make_Vert(bm, v->co, NULL);
VECCOPY(v2->no, v->no);
BM_Copy_Attributes(bm, bm, v, v2);
verts[j ? (i+1) % f->len : i] = v2;
} else v2 = verts[j ? (i+1) % f->len : i];
} else {
/*generate unique vert for non-seam edge(s)
around the manifold vert fan if necassary*/
/*first check that we have two seam edges
somewhere within this fan*/
l3 = l2;
do {
if (BM_Edge_FaceCount(l3->e) != 2) {
/*if we hit a boundary edge, tag
l3 as null so we know to disconnect
it*/
if (BM_Edge_FaceCount(l3->e) == 1)
l3 = NULL;
break;
}
l3 = (BMLoop*)l3->radial.next->data;
l3 = BM_OtherFaceLoop(l3->e, l3->f, v);
} while (l3 != l2 && !BMO_TestFlag(bm, l3->e, EDGE_SEAM));
if (l3 == NULL || (BMO_TestFlag(bm, l3->e, EDGE_SEAM) && l3->e != l->e)) {
et = etags + BMINDEX_GET(l2->e);
if (ETV(et, v, l2) == NULL) {
v2 = BM_Make_Vert(bm, v->co, NULL);
VECCOPY(v2->no, v->no);
BM_Copy_Attributes(bm, bm, v, v2);
l3 = l2;
do {
SETETV(et, v, l3, v2);
if (BM_Edge_FaceCount(l3->e) != 2)
break;
l3 = (BMLoop*)l3->radial.next->data;
l3 = BM_OtherFaceLoop(l3->e, l3->f, v);
et = etags + BMINDEX_GET(l3->e);
} while (l3 != l2 && !BMO_TestFlag(bm, l3->e, EDGE_SEAM));
} else v2 = ETV(et, v, l2);
verts[j ? (i+1) % f->len : i] = v2;
} else verts[j ? (i+1) % f->len : i] = v;
}
}
i++;
}
f2 = remake_face(bm, etags, f, verts);
if (!f2)
continue;
BMO_SetFlag(bm, f, FACE_DEL);
BMO_SetFlag(bm, f2, FACE_NEW);
}
BMO_CallOpf(bm, "del geom=%ff context=%i", FACE_DEL, DEL_ONLYFACES);
/*test EDGE_MARK'd edges if we need to delete them, EDGE_MARK
is set in remake_face*/
BM_ITER(e, &iter, bm, BM_EDGES_OF_MESH, NULL) {
if (BMO_TestFlag(bm, e, EDGE_MARK)) {
if (!e->loop)
BMO_SetFlag(bm, e, EDGE_DEL);
}
}
BMO_CallOpf(bm, "del geom=%fe context=%i", EDGE_DEL, DEL_EDGES);
tag_out_edges(bm, etags, op);
BMO_Flag_To_Slot(bm, op, "edgeout1", EDGE_RET1, BM_EDGE);
BMO_Flag_To_Slot(bm, op, "edgeout2", EDGE_RET2, BM_EDGE);
BLI_array_free(verts);
if (etags) MEM_freeN(etags);
}
#undef ETV
#undef SETETV

36
source/blender/bmesh/operators/subdivideop.c
View File

@ -1,3 +1,30 @@
/**
* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Contributor(s): Joseph Eagar.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "MEM_guardedalloc.h" #include "MEM_guardedalloc.h"
#include "BKE_utildefines.h" #include "BKE_utildefines.h"
@ -20,15 +47,6 @@
#include <string.h> #include <string.h>
#include <math.h> #include <math.h>
/*subdivide future development notes:
each pattern should be able to be disabled
by the client code, and the client code
should be able to pass in custom patterns.
so you can configure it anywhere from a simple
edge connect tool, to what's in 2.49a.
*/
/*flags for all elements share a common bitfield space*/ /*flags for all elements share a common bitfield space*/
#define SUBD_SPLIT 1 #define SUBD_SPLIT 1

415
source/blender/editors/mesh/bmesh_tools.c
View File

@ -89,6 +89,8 @@
#include "mesh_intern.h" #include "mesh_intern.h"
#include "bmesh.h" #include "bmesh.h"
#include "editbmesh_bvh.h"
static void add_normal_aligned(float *nor, float *add) static void add_normal_aligned(float *nor, float *add)
{ {
if( INPR(nor, add) < -0.9999f) if( INPR(nor, add) < -0.9999f)
@ -2047,12 +2049,24 @@ static int bm_test_exec(bContext *C, wmOperator *op)
{ {
Scene *scene = CTX_data_scene(C); Scene *scene = CTX_data_scene(C);
Object *obedit= CTX_data_edit_object(C); Object *obedit= CTX_data_edit_object(C);
RegionView3D *r3d = CTX_wm_region_view3d(C);
BMEditMesh *em= ((Mesh *)obedit->data)->edit_btmesh; BMEditMesh *em= ((Mesh *)obedit->data)->edit_btmesh;
#if 1 BMBVHTree *tree = BMBVH_NewBVH(em);
if (!EDBM_CallOpf(em, op, "collapse edges=%he", BM_SELECT)) BMIter iter;
return OPERATOR_CANCELLED; BMEdge *e;
#else //uv island walker test /*hide all back edges*/
BM_ITER(e, &iter, em->bm, BM_EDGES_OF_MESH, NULL) {
if (!BM_TestHFlag(e, BM_SELECT))
continue;
if (!BMBVH_EdgeVisible(tree, e, r3d, obedit))
BM_Select(em->bm, e, 0);
}
BMBVH_FreeBVH(tree);
#if 0 //uv island walker test
BMIter iter, liter; BMIter iter, liter;
BMFace *f; BMFace *f;
BMLoop *l, *l2; BMLoop *l, *l2;
@ -2908,3 +2922,396 @@ void MESH_OT_select_vertex_path(wmOperatorType *ot)
/* properties */ /* properties */
RNA_def_enum(ot->srna, "type", type_items, VPATH_SELECT_EDGE_LENGTH, "Type", "Method to compute distance."); RNA_def_enum(ot->srna, "type", type_items, VPATH_SELECT_EDGE_LENGTH, "Type", "Method to compute distance.");
} }
/********************** Rip Operator *************************/
#if 0
/* helper for below */
static void mesh_rip_setface(EditMesh *em, EditFace *sefa)
{
/* put new vertices & edges in best face */
if(sefa->v1->tmp.v) sefa->v1= sefa->v1->tmp.v;
if(sefa->v2->tmp.v) sefa->v2= sefa->v2->tmp.v;
if(sefa->v3->tmp.v) sefa->v3= sefa->v3->tmp.v;
if(sefa->v4 && sefa->v4->tmp.v) sefa->v4= sefa->v4->tmp.v;
sefa->e1= addedgelist(em, sefa->v1, sefa->v2, sefa->e1);
sefa->e2= addedgelist(em, sefa->v2, sefa->v3, sefa->e2);
if(sefa->v4) {
sefa->e3= addedgelist(em, sefa->v3, sefa->v4, sefa->e3);
sefa->e4= addedgelist(em, sefa->v4, sefa->v1, sefa->e4);
}
else
sefa->e3= addedgelist(em, sefa->v3, sefa->v1, sefa->e3);
}
#endif
/* helper to find edge for edge_rip */
static float mesh_rip_edgedist(ARegion *ar, float mat[][4], float *co1, float *co2, short *mval)
{
float vec1[3], vec2[3], mvalf[2];
view3d_project_float(ar, co1, vec1, mat);
view3d_project_float(ar, co2, vec2, mat);
mvalf[0]= (float)mval[0];
mvalf[1]= (float)mval[1];
return PdistVL2Dfl(mvalf, vec1, vec2);
}
/* based on mouse cursor position, it defines how is being ripped */
static int mesh_rip_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
Object *obedit= CTX_data_edit_object(C);
ARegion *ar= CTX_wm_region(C);
RegionView3D *rv3d= CTX_wm_region_view3d(C);
BMEditMesh *em= ((Mesh *)obedit->data)->edit_btmesh;
BMOperator bmop;
BMBVHTree *bvhtree;
BMOIter siter;
BMIter iter, eiter, liter;
BMLoop *l;
BMEdge *e, *e2, *closest = NULL;
BMVert *v;
int side = 0, i;
float projectMat[4][4], fmval[3] = {event->mval[0], event->mval[1], 0.0f};
float dist = FLT_MAX, d;
view3d_get_object_project_mat(rv3d, obedit, projectMat);
BM_ITER(e, &iter, em->bm, BM_EDGES_OF_MESH, NULL) {
if (BM_TestHFlag(e, BM_SELECT))
BMINDEX_SET(e, 1);
else BMINDEX_SET(e, 0);
}
/*expand edge selection*/
BM_ITER(v, &iter, em->bm, BM_VERTS_OF_MESH, NULL) {
e2 = NULL;
i = 0;
BM_ITER(e, &eiter, em->bm, BM_EDGES_OF_VERT, v) {
if (BMINDEX_GET(e)) {
e2 = e;
i++;
}
}
if (i == 1 && e2->loop) {
l = BM_OtherFaceLoop(e2, e2->loop->f, v);
l = (BMLoop*)l->radial.next->data;
l = BM_OtherFaceLoop(l->e, l->f, v);
if (l)
BM_Select(em->bm, l->e, 1);
}
}
if (!EDBM_InitOpf(em, &bmop, op, "edgesplit edges=%he", BM_SELECT)) {
return OPERATOR_CANCELLED;
}
BMO_Exec_Op(em->bm, &bmop);
/*build bvh tree for edge visibility tests*/
bvhtree = BMBVH_NewBVH(em);
for (i=0; i<2; i++) {
BMO_ITER(e, &siter, em->bm, &bmop, i ? "edgeout2":"edgeout1", BM_EDGE) {
float cent[3] = {0, 0, 0}, mid[4], vec[3];
if (!BMBVH_EdgeVisible(bvhtree, e, rv3d, obedit))
continue;
/*method for calculating distance:
for each edge: calculate face center, then made a vector
from edge midpoint to face center. offset edge midpoint
by a small amount along this vector.*/
BM_ITER(l, &liter, em->bm, BM_LOOPS_OF_FACE, e->loop->f) {
VecAddf(cent, cent, l->v->co);
}
VecMulf(cent, 1.0f/(float)e->loop->f->len);
VecAddf(mid, e->v1->co, e->v2->co);
VecMulf(mid, 0.5f);
VecSubf(vec, cent, mid);
Normalize(vec);
VecMulf(vec, 0.01f);
VecAddf(mid, mid, vec);
/*yay we have our comparison point, now project it*/
view3d_project_float(ar, mid, mid, projectMat);
vec[0] = fmval[0] - mid[0];
vec[1] = fmval[1] - mid[1];
d = vec[0]*vec[0] + vec[1]*vec[1];
if (d < dist) {
side = i;
closest = e;
dist = d;
}
}
}
EDBM_clear_flag_all(em, BM_SELECT);
BMO_HeaderFlag_Buffer(em->bm, &bmop, side?"edgeout2":"edgeout1", BM_SELECT, BM_EDGE);
BM_ITER(e, &iter, em->bm, BM_EDGES_OF_MESH, NULL) {
if (BM_TestHFlag(e, BM_SELECT))
BMINDEX_SET(e, 1);
else BMINDEX_SET(e, 0);
}
/*constrict edge selection again*/
BM_ITER(v, &iter, em->bm, BM_VERTS_OF_MESH, NULL) {
e2 = NULL;
i = 0;
BM_ITER(e, &eiter, em->bm, BM_EDGES_OF_VERT, v) {
if (BMINDEX_GET(e)) {
e2 = e;
i++;
}
}
if (i == 1)
BM_Select(em->bm, e2, 0);
}
EDBM_selectmode_flush(em);
if (!EDBM_FinishOp(em, &bmop, op, 1)) {
BMBVH_FreeBVH(bvhtree);
return OPERATOR_CANCELLED;
}
BMBVH_FreeBVH(bvhtree);
DAG_id_flush_update(obedit->data, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
return OPERATOR_FINISHED;
#if 0 //BMESH_TODO
ARegion *ar= CTX_wm_region(C);
RegionView3D *rv3d= ar->regiondata;
Object *obedit= CTX_data_edit_object(C);
EditMesh *em= BKE_mesh_get_editmesh((Mesh *)obedit->data);
EditVert *eve, *nextve;
EditEdge *eed, *seed= NULL;
EditFace *efa, *sefa= NULL;
float projectMat[4][4], vec[3], dist, mindist;
short doit= 1, *mval= event->mval;
/* select flush... vertices are important */
EM_selectmode_set(em);
view3d_get_object_project_mat(rv3d, obedit, projectMat);
/* find best face, exclude triangles and break on face select or faces with 2 edges select */
mindist= 1000000.0f;
for(efa= em->faces.first; efa; efa=efa->next) {
if( efa->f & 1)
break;
if(efa->v4 && faceselectedOR(efa, SELECT) ) {
int totsel=0;
if(efa->e1->f & SELECT) totsel++;
if(efa->e2->f & SELECT) totsel++;
if(efa->e3->f & SELECT) totsel++;
if(efa->e4->f & SELECT) totsel++;
if(totsel>1)
break;
view3d_project_float(ar, efa->cent, vec, projectMat);
dist= sqrt( (vec[0]-mval[0])*(vec[0]-mval[0]) + (vec[1]-mval[1])*(vec[1]-mval[1]) );
if(dist<mindist) {
mindist= dist;
sefa= efa;
}
}
}
if(efa) {
BKE_report(op->reports, RPT_ERROR, "Can't perform ripping with faces selected this way");
BKE_mesh_end_editmesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
if(sefa==NULL) {
BKE_report(op->reports, RPT_ERROR, "No proper selection or faces included");
BKE_mesh_end_editmesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
/* duplicate vertices, new vertices get selected */
for(eve = em->verts.last; eve; eve= eve->prev) {
eve->tmp.v = NULL;
if(eve->f & SELECT) {
eve->tmp.v = addvertlist(em, eve->co, eve);
eve->f &= ~SELECT;
eve->tmp.v->f |= SELECT;
}
}
/* find the best candidate edge */
/* or one of sefa edges is selected... */
if(sefa->e1->f & SELECT) seed= sefa->e2;
if(sefa->e2->f & SELECT) seed= sefa->e1;
if(sefa->e3->f & SELECT) seed= sefa->e2;
if(sefa->e4 && sefa->e4->f & SELECT) seed= sefa->e3;
/* or we do the distance trick */
if(seed==NULL) {
mindist= 1000000.0f;
if(sefa->e1->v1->tmp.v || sefa->e1->v2->tmp.v) {
dist = mesh_rip_edgedist(ar, projectMat,
sefa->e1->v1->co,
sefa->e1->v2->co, mval);
if(dist<mindist) {
seed= sefa->e1;
mindist= dist;
}
}
if(sefa->e2->v1->tmp.v || sefa->e2->v2->tmp.v) {
dist = mesh_rip_edgedist(ar, projectMat,
sefa->e2->v1->co,
sefa->e2->v2->co, mval);
if(dist<mindist) {
seed= sefa->e2;
mindist= dist;
}
}
if(sefa->e3->v1->tmp.v || sefa->e3->v2->tmp.v) {
dist= mesh_rip_edgedist(ar, projectMat,
sefa->e3->v1->co,
sefa->e3->v2->co, mval);
if(dist<mindist) {
seed= sefa->e3;
mindist= dist;
}
}
if(sefa->e4 && (sefa->e4->v1->tmp.v || sefa->e4->v2->tmp.v)) {
dist= mesh_rip_edgedist(ar, projectMat,
sefa->e4->v1->co,
sefa->e4->v2->co, mval);
if(dist<mindist) {
seed= sefa->e4;
mindist= dist;
}
}
}
if(seed==NULL) { // never happens?
BKE_report(op->reports, RPT_ERROR, "No proper edge found to start");
BKE_mesh_end_editmesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
faceloop_select(em, seed, 2); // tmp abuse for finding all edges that need duplicated, returns OK faces with f1
/* duplicate edges in the loop, with at least 1 vertex selected, needed for selection flip */
for(eed = em->edges.last; eed; eed= eed->prev) {
eed->tmp.v = NULL;
if((eed->v1->tmp.v) || (eed->v2->tmp.v)) {
EditEdge *newed;
newed= addedgelist(em, eed->v1->tmp.v?eed->v1->tmp.v:eed->v1,
eed->v2->tmp.v?eed->v2->tmp.v:eed->v2, eed);
if(eed->f & SELECT) {
EM_select_edge(eed, 0);
EM_remove_selection(em, eed, EDITEDGE);
EM_select_edge(newed, 1);
}
eed->tmp.v = (EditVert *)newed;
}
}
/* first clear edges to help finding neighbours */
for(eed = em->edges.last; eed; eed= eed->prev) eed->f1= 0;
/* put new vertices & edges && flag in best face */
mesh_rip_setface(em, sefa);
/* starting with neighbours of best face, we loop over the seam */
sefa->f1= 2;
doit= 1;
while(doit) {
doit= 0;
for(efa= em->faces.first; efa; efa=efa->next) {
/* new vert in face */
if (efa->v1->tmp.v || efa->v2->tmp.v ||
efa->v3->tmp.v || (efa->v4 && efa->v4->tmp.v)) {
/* face is tagged with loop */
if(efa->f1==1) {
mesh_rip_setface(em, efa);
efa->f1= 2;
doit= 1;
}
}
}
}
/* remove loose edges, that were part of a ripped face */
for(eve = em->verts.first; eve; eve= eve->next) eve->f1= 0;
for(eed = em->edges.last; eed; eed= eed->prev) eed->f1= 0;
for(efa= em->faces.first; efa; efa=efa->next) {
efa->e1->f1= 1;
efa->e2->f1= 1;
efa->e3->f1= 1;
if(efa->e4) efa->e4->f1= 1;
}
for(eed = em->edges.last; eed; eed= seed) {
seed= eed->prev;
if(eed->f1==0) {
if(eed->v1->tmp.v || eed->v2->tmp.v ||
(eed->v1->f & SELECT) || (eed->v2->f & SELECT)) {
remedge(em, eed);
free_editedge(em, eed);
eed= NULL;
}
}
if(eed) {
eed->v1->f1= 1;
eed->v2->f1= 1;
}
}
/* and remove loose selected vertices, that got duplicated accidentally */
for(eve = em->verts.first; eve; eve= nextve) {
nextve= eve->next;
if(eve->f1==0 && (eve->tmp.v || (eve->f & SELECT))) {
BLI_remlink(&em->verts,eve);
free_editvert(em, eve);
}
}
DAG_id_flush_update(obedit->data, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
BKE_mesh_end_editmesh(obedit->data, em);
// RNA_enum_set(op->ptr, "proportional", 0);
// RNA_boolean_set(op->ptr, "mirror", 0);
// WM_operator_name_call(C, "TFM_OT_translate", WM_OP_INVOKE_REGION_WIN, op->ptr);
#endif
}
void MESH_OT_rip(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Rip";
ot->idname= "MESH_OT_rip";
/* api callbacks */
ot->invoke= mesh_rip_invoke;
ot->poll= EM_view3d_poll;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* to give to transform */
Properties_Proportional(ot);
RNA_def_boolean(ot->srna, "mirror", 0, "Mirror Editing", "");
}

288
source/blender/editors/mesh/editbmesh_bvh.c Normal file
View File

@ -0,0 +1,288 @@
/* $Id:
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2004 by Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Joseph Eagar
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <math.h>
#include <float.h>
#include "MEM_guardedalloc.h"
#include "PIL_time.h"
#include "BLO_sys_types.h" // for intptr_t support
#include "DNA_mesh_types.h"
#include "DNA_material_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_view3d_types.h"
#include "DNA_key_types.h"
#include "DNA_windowmanager_types.h"
#include "RNA_types.h"
#include "RNA_define.h"
#include "RNA_access.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BLI_editVert.h"
#include "BLI_rand.h"
#include "BLI_ghash.h"
#include "BLI_linklist.h"
#include "BLI_heap.h"
#include "BLI_array.h"
#include "BLI_kdopbvh.h"
#include "BKE_context.h"
#include "BKE_customdata.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"
#include "BKE_library.h"
#include "BKE_mesh.h"
#include "BKE_object.h"
#include "BKE_utildefines.h"
#include "BKE_bmesh.h"
#include "BKE_report.h"
#include "BKE_tessmesh.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_mesh.h"
#include "ED_view3d.h"
#include "ED_util.h"
#include "ED_screen.h"
#include "ED_transform.h"
#include "UI_interface.h"
#include "mesh_intern.h"
#include "bmesh.h"
#include "editbmesh_bvh.h"
typedef struct BMBVHTree {
BMEditMesh *em;
BMesh *bm;
BVHTree *tree;
float epsilon;
} BMBVHTree;
BMBVHTree *BMBVH_NewBVH(BMEditMesh *em)
{
BMBVHTree *tree = MEM_callocN(sizeof(*tree), "BMBVHTree");
float cos[3][3];
int i;
BMEdit_RecalcTesselation(em);
tree->em = em;
tree->bm = em->bm;
tree->epsilon = FLT_EPSILON*2.0f;
tree->tree = BLI_bvhtree_new(em->tottri, tree->epsilon, 8, 8);
for (i=0; i<em->tottri; i++) {
VECCOPY(cos[0], em->looptris[i][0]->v->co);
VECCOPY(cos[1], em->looptris[i][1]->v->co);
VECCOPY(cos[2], em->looptris[i][2]->v->co);
BLI_bvhtree_insert(tree->tree, i, (float*)cos, 3);
}
BLI_bvhtree_balance(tree->tree);
return tree;
}
void BMBVH_FreeBVH(BMBVHTree *tree)
{
BLI_bvhtree_free(tree->tree);
MEM_freeN(tree);
}
/*taken from bvhutils.c*/
static float ray_tri_intersection(const BVHTreeRay *ray, const float m_dist, float *v0,
float *v1, float *v2, float *uv, float e)
{
float dist;
#if 0
float vv1[3], vv2[3], vv3[3], cent[3];
/*expand triangle by an epsilon. this is probably a really stupid
way of doing it, but I'm too tired to do better work.*/
VECCOPY(vv1, v0);
VECCOPY(vv2, v1);
VECCOPY(vv3, v2);
VecAddf(cent, vv1, vv2);
VecAddf(cent, cent, vv3);
VecMulf(cent, 1.0f/3.0f);
VecSubf(vv1, vv1, cent);
VecSubf(vv2, vv2, cent);
VecSubf(vv3, vv3, cent);
VecMulf(vv1, 1.0f + e);
VecMulf(vv2, 1.0f + e);
VecMulf(vv3, 1.0f + e);
VecAddf(vv1, vv1, cent);
VecAddf(vv2, vv2, cent);
VecAddf(vv3, vv3, cent);
if(RayIntersectsTriangle((float*)ray->origin, (float*)ray->direction, vv1, vv2, vv3, &dist, uv))
return dist;
#else
if(RayIntersectsTriangle((float*)ray->origin, (float*)ray->direction, v0, v1, v2, &dist, uv))
return dist;
#endif
return FLT_MAX;
}
static void raycallback(void *userdata, int index, const BVHTreeRay *ray, BVHTreeRayHit *hit)
{
BMBVHTree *tree = userdata;
BMLoop **ls = tree->em->looptris[index];
float dist, uv[2], co1[3], co2[3], co3[3];
dist = ray_tri_intersection(ray, hit->dist, ls[0]->v->co, ls[1]->v->co,
ls[2]->v->co, uv, tree->epsilon);
if (dist < hit->dist) {
hit->dist = dist;
hit->index = index;
VECCOPY(hit->no, ls[0]->v->no);
VECCOPY(co1, ls[0]->v->co);
VECCOPY(co2, ls[1]->v->co);
VECCOPY(co3, ls[2]->v->co);
VecMulf(co1, uv[0]);
VecMulf(co2, uv[1]);
VecMulf(co3, 1.0f-uv[0]-uv[1]);
VecAddf(hit->co, co1, co2);
VecAddf(hit->co, hit->co, co3);
}
}
BMFace *BMBVH_RayCast(BMBVHTree *tree, float *co, float *dir, float *hitout)
{
BVHTreeRayHit hit;
hit.dist = FLT_MAX;
hit.index = -1;
BLI_bvhtree_ray_cast(tree->tree, co, dir, FLT_MAX, &hit, raycallback, tree);
if (hit.dist != FLT_MAX && hit.index != -1) {
if (hitout) {
VECCOPY(hitout, hit.co);
}
return tree->em->looptris[hit.index][0]->f;
}
return NULL;
}
#if 0 //BMESH_TODO: not implemented yet
int BMBVH_VertVisible(BMBVHTree *tree, BMEdge *e, RegionView3D *r3d)
{
}
#endif
static BMFace *edge_ray_cast(BMBVHTree *tree, float *co, float *dir, float *hitout, BMEdge *e)
{
BMFace *f = BMBVH_RayCast(tree, co, dir, hitout);
if (f && BM_Edge_In_Face(f, e))
return NULL;
return f;
}
int BMBVH_EdgeVisible(BMBVHTree *tree, BMEdge *e, RegionView3D *r3d, Object *obedit)
{
BMFace *f;
float co1[3], co2[3], co3[3], dir1[4], dir2[4], dir3[4];
float origin[3], invmat[4][4];
float epsilon = 0.01f;
VECCOPY(origin, r3d->viewinv[3]);
Mat4Invert(invmat, obedit->obmat);
Mat4MulVecfl(invmat, origin);
VECCOPY(co1, e->v1->co);
VecAddf(co2, e->v1->co, e->v2->co);
VecMulf(co2, 0.5f);
VECCOPY(co3, e->v2->co);
/*ok, idea is to generate rays going from the camera origin to the
three points on the edge (v1, mid, v2)*/
VecSubf(dir1, origin, co1);
VecSubf(dir2, origin, co2);
VecSubf(dir3, origin, co3);
Normalize(dir1);
Normalize(dir2);
Normalize(dir3);
VecMulf(dir1, epsilon);
VecMulf(dir2, epsilon);
VecMulf(dir3, epsilon);
/*offset coordinates slightly along view vectors, to avoid
hitting the faces that own the edge.*/
VecAddf(co1, co1, dir1);
VecAddf(co2, co2, dir2);
VecAddf(co3, co3, dir3);
Normalize(dir1);
Normalize(dir2);
Normalize(dir3);
/*do three samplings: left, middle, right*/
f = edge_ray_cast(tree, co1, dir1, NULL, e);
if (f && !edge_ray_cast(tree, co2, dir2, NULL, e))
return 1;
else if (f && !edge_ray_cast(tree, co3, dir3, NULL, e))
return 1;
else if (!f)
return 1;
return 0;
}

15
source/blender/editors/mesh/editbmesh_bvh.h Normal file
View File

@ -0,0 +1,15 @@
struct BMEditMesh;
struct BMFace;
struct BMEdge;
struct BMVert;
struct RegionView3D;
struct BMBVHTree;
typedef struct BMBVHTree BMBVHTree;
BMBVHTree *BMBVH_NewBVH(struct BMEditMesh *em);
void BMBVH_FreeBVH(BMBVHTree *tree);
struct BMFace *BMBVH_RayCast(BMBVHTree *tree, float *co, float *dir, float *hitout);
int BMBVH_EdgeVisible(BMBVHTree *tree, struct BMEdge *e,
struct RegionView3D *r3d, struct Object *obedit);

266
source/blender/editors/mesh/editmesh_tools.c
View File

@ -4243,272 +4243,6 @@ void mesh_set_face_flags(EditMesh *em, short mode)
} }
#endif #endif
/********************** Rip Operator *************************/
/* helper to find edge for edge_rip */
static float mesh_rip_edgedist(ARegion *ar, float mat[][4], float *co1, float *co2, short *mval)
{
float vec1[3], vec2[3], mvalf[2];
view3d_project_float(ar, co1, vec1, mat);
view3d_project_float(ar, co2, vec2, mat);
mvalf[0]= (float)mval[0];
mvalf[1]= (float)mval[1];
return PdistVL2Dfl(mvalf, vec1, vec2);
}
/* helper for below */
static void mesh_rip_setface(EditMesh *em, EditFace *sefa)
{
/* put new vertices & edges in best face */
if(sefa->v1->tmp.v) sefa->v1= sefa->v1->tmp.v;
if(sefa->v2->tmp.v) sefa->v2= sefa->v2->tmp.v;
if(sefa->v3->tmp.v) sefa->v3= sefa->v3->tmp.v;
if(sefa->v4 && sefa->v4->tmp.v) sefa->v4= sefa->v4->tmp.v;
sefa->e1= addedgelist(em, sefa->v1, sefa->v2, sefa->e1);
sefa->e2= addedgelist(em, sefa->v2, sefa->v3, sefa->e2);
if(sefa->v4) {
sefa->e3= addedgelist(em, sefa->v3, sefa->v4, sefa->e3);
sefa->e4= addedgelist(em, sefa->v4, sefa->v1, sefa->e4);
}
else
sefa->e3= addedgelist(em, sefa->v3, sefa->v1, sefa->e3);
}
/* based on mouse cursor position, it defines how is being ripped */
static int mesh_rip_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
#if 0 //BMESH_TODO
ARegion *ar= CTX_wm_region(C);
RegionView3D *rv3d= ar->regiondata;
Object *obedit= CTX_data_edit_object(C);
EditMesh *em= BKE_mesh_get_editmesh((Mesh *)obedit->data);
EditVert *eve, *nextve;
EditEdge *eed, *seed= NULL;
EditFace *efa, *sefa= NULL;
float projectMat[4][4], vec[3], dist, mindist;
short doit= 1, *mval= event->mval;
/* select flush... vertices are important */
EM_selectmode_set(em);
view3d_get_object_project_mat(rv3d, obedit, projectMat);
/* find best face, exclude triangles and break on face select or faces with 2 edges select */
mindist= 1000000.0f;
for(efa= em->faces.first; efa; efa=efa->next) {
if( efa->f & 1)
break;
if(efa->v4 && faceselectedOR(efa, SELECT) ) {
int totsel=0;
if(efa->e1->f & SELECT) totsel++;
if(efa->e2->f & SELECT) totsel++;
if(efa->e3->f & SELECT) totsel++;
if(efa->e4->f & SELECT) totsel++;
if(totsel>1)
break;
view3d_project_float(ar, efa->cent, vec, projectMat);
dist= sqrt( (vec[0]-mval[0])*(vec[0]-mval[0]) + (vec[1]-mval[1])*(vec[1]-mval[1]) );
if(dist<mindist) {
mindist= dist;
sefa= efa;
}
}
}
if(efa) {
BKE_report(op->reports, RPT_ERROR, "Can't perform ripping with faces selected this way");
BKE_mesh_end_editmesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
if(sefa==NULL) {
BKE_report(op->reports, RPT_ERROR, "No proper selection or faces included");
BKE_mesh_end_editmesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
/* duplicate vertices, new vertices get selected */
for(eve = em->verts.last; eve; eve= eve->prev) {
eve->tmp.v = NULL;
if(eve->f & SELECT) {
eve->tmp.v = addvertlist(em, eve->co, eve);
eve->f &= ~SELECT;
eve->tmp.v->f |= SELECT;
}
}
/* find the best candidate edge */
/* or one of sefa edges is selected... */
if(sefa->e1->f & SELECT) seed= sefa->e2;
if(sefa->e2->f & SELECT) seed= sefa->e1;
if(sefa->e3->f & SELECT) seed= sefa->e2;
if(sefa->e4 && sefa->e4->f & SELECT) seed= sefa->e3;
/* or we do the distance trick */
if(seed==NULL) {
mindist= 1000000.0f;
if(sefa->e1->v1->tmp.v || sefa->e1->v2->tmp.v) {
dist = mesh_rip_edgedist(ar, projectMat,
sefa->e1->v1->co,
sefa->e1->v2->co, mval);
if(dist<mindist) {
seed= sefa->e1;
mindist= dist;
}
}
if(sefa->e2->v1->tmp.v || sefa->e2->v2->tmp.v) {
dist = mesh_rip_edgedist(ar, projectMat,
sefa->e2->v1->co,
sefa->e2->v2->co, mval);
if(dist<mindist) {
seed= sefa->e2;
mindist= dist;
}
}
if(sefa->e3->v1->tmp.v || sefa->e3->v2->tmp.v) {
dist= mesh_rip_edgedist(ar, projectMat,
sefa->e3->v1->co,
sefa->e3->v2->co, mval);
if(dist<mindist) {
seed= sefa->e3;
mindist= dist;
}
}
if(sefa->e4 && (sefa->e4->v1->tmp.v || sefa->e4->v2->tmp.v)) {
dist= mesh_rip_edgedist(ar, projectMat,
sefa->e4->v1->co,
sefa->e4->v2->co, mval);
if(dist<mindist) {
seed= sefa->e4;
mindist= dist;
}
}
}
if(seed==NULL) { // never happens?
BKE_report(op->reports, RPT_ERROR, "No proper edge found to start");
BKE_mesh_end_editmesh(obedit->data, em);
return OPERATOR_CANCELLED;
}
faceloop_select(em, seed, 2); // tmp abuse for finding all edges that need duplicated, returns OK faces with f1
/* duplicate edges in the loop, with at least 1 vertex selected, needed for selection flip */
for(eed = em->edges.last; eed; eed= eed->prev) {
eed->tmp.v = NULL;
if((eed->v1->tmp.v) || (eed->v2->tmp.v)) {
EditEdge *newed;
newed= addedgelist(em, eed->v1->tmp.v?eed->v1->tmp.v:eed->v1,
eed->v2->tmp.v?eed->v2->tmp.v:eed->v2, eed);
if(eed->f & SELECT) {
EM_select_edge(eed, 0);
EM_remove_selection(em, eed, EDITEDGE);
EM_select_edge(newed, 1);
}
eed->tmp.v = (EditVert *)newed;
}
}
/* first clear edges to help finding neighbours */
for(eed = em->edges.last; eed; eed= eed->prev) eed->f1= 0;
/* put new vertices & edges && flag in best face */
mesh_rip_setface(em, sefa);
/* starting with neighbours of best face, we loop over the seam */
sefa->f1= 2;
doit= 1;
while(doit) {
doit= 0;
for(efa= em->faces.first; efa; efa=efa->next) {
/* new vert in face */
if (efa->v1->tmp.v || efa->v2->tmp.v ||
efa->v3->tmp.v || (efa->v4 && efa->v4->tmp.v)) {
/* face is tagged with loop */
if(efa->f1==1) {
mesh_rip_setface(em, efa);
efa->f1= 2;
doit= 1;
}
}
}
}
/* remove loose edges, that were part of a ripped face */
for(eve = em->verts.first; eve; eve= eve->next) eve->f1= 0;
for(eed = em->edges.last; eed; eed= eed->prev) eed->f1= 0;
for(efa= em->faces.first; efa; efa=efa->next) {
efa->e1->f1= 1;
efa->e2->f1= 1;
efa->e3->f1= 1;
if(efa->e4) efa->e4->f1= 1;
}
for(eed = em->edges.last; eed; eed= seed) {
seed= eed->prev;
if(eed->f1==0) {
if(eed->v1->tmp.v || eed->v2->tmp.v ||
(eed->v1->f & SELECT) || (eed->v2->f & SELECT)) {
remedge(em, eed);
free_editedge(em, eed);
eed= NULL;
}
}
if(eed) {
eed->v1->f1= 1;
eed->v2->f1= 1;
}
}
/* and remove loose selected vertices, that got duplicated accidentally */
for(eve = em->verts.first; eve; eve= nextve) {
nextve= eve->next;
if(eve->f1==0 && (eve->tmp.v || (eve->f & SELECT))) {
BLI_remlink(&em->verts,eve);
free_editvert(em, eve);
}
}
DAG_id_flush_update(obedit->data, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
BKE_mesh_end_editmesh(obedit->data, em);
// RNA_enum_set(op->ptr, "proportional", 0);
// RNA_boolean_set(op->ptr, "mirror", 0);
// WM_operator_name_call(C, "TFM_OT_translate", WM_OP_INVOKE_REGION_WIN, op->ptr);
#endif
return OPERATOR_FINISHED;
}
void MESH_OT_rip(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Rip";
ot->idname= "MESH_OT_rip";
/* api callbacks */
ot->invoke= mesh_rip_invoke;
ot->poll= EM_view3d_poll;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
/* to give to transform */
Properties_Proportional(ot);
RNA_def_boolean(ot->srna, "mirror", 0, "Mirror Editing", "");
}
/************************ Shape Operators *************************/ /************************ Shape Operators *************************/
void shape_propagate(Scene *scene, Object *obedit, EditMesh *em, wmOperator *op) void shape_propagate(Scene *scene, Object *obedit, EditMesh *em, wmOperator *op)

2
source/blender/editors/mesh/mesh_ops.c
View File

@ -458,7 +458,7 @@ void ED_keymap_mesh(wmWindowManager *wm)
//WM_keymap_add_item(keymap, "MESH_OT_colors_mirror",EIGHTKEY, KM_PRESS, KM_ALT, 0); //WM_keymap_add_item(keymap, "MESH_OT_colors_mirror",EIGHTKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "MESH_OT_colors_reverse",EIGHTKEY, KM_PRESS, KM_ALT, 0); WM_keymap_add_item(keymap, "MESH_OT_colors_reverse",EIGHTKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "MESH_OT_rip_move",VKEY, KM_PRESS, 0, 0); WM_keymap_add_item(keymap, "MESH_OT_rip_move",VKEY, KM_PRESS, KM_SHIFT, 0);
WM_keymap_add_item(keymap, "MESH_OT_merge", MKEY, KM_PRESS, KM_ALT, 0); WM_keymap_add_item(keymap, "MESH_OT_merge", MKEY, KM_PRESS, KM_ALT, 0);
/* add/remove */ /* add/remove */

2
source/blender/editors/space_view3d/view3d_view.c
View File

@ -571,8 +571,8 @@ void view3d_project_float(ARegion *ar, float *vec, float *adr, float mat[4][4])
{ {
float vec4[4]; float vec4[4];
adr[0]= IS_CLIPPED;
VECCOPY(vec4, vec); VECCOPY(vec4, vec);
adr[0]= IS_CLIPPED;
vec4[3]= 1.0; vec4[3]= 1.0;
Mat4MulVec4fl(mat, vec4); Mat4MulVec4fl(mat, vec4);