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authorCampbell Barton <ideasman42@gmail.com>2013-03-27 10:49:16 +0400
committerCampbell Barton <ideasman42@gmail.com>2013-03-27 10:49:16 +0400
commit91b2b970ade21a70c3c7289cefff6c2cbb2059cd (patch)
treeee1037fb575807fab386e4386d2e9f6103e6e324 /source/blender/bmesh/operators/bmo_create.c
parent29c8bd7b2499e8cf134c22294573c396c27d288b (diff)
api cleanup: move edgenet bmesh operator into its own file.
Diffstat (limited to 'source/blender/bmesh/operators/bmo_create.c')
-rw-r--r--source/blender/bmesh/operators/bmo_create.c1234
1 files changed, 0 insertions, 1234 deletions
diff --git a/source/blender/bmesh/operators/bmo_create.c b/source/blender/bmesh/operators/bmo_create.c
index 8e583dc3059..a6346a4480f 100644
--- a/source/blender/bmesh/operators/bmo_create.c
+++ b/source/blender/bmesh/operators/bmo_create.c
@@ -27,1247 +27,13 @@
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
-#include "BLI_math.h"
-#include "BLI_array.h"
-#include "BLI_smallhash.h"
-#include "BLI_rand.h"
-#include "BLI_heap.h"
#include "bmesh.h"
#include "intern/bmesh_operators_private.h" /* own include */
-#define EDGE_MARK 1
-#define EDGE_VIS 2
-
-#define FACE_NEW 1
-
#define ELE_NEW 1
#define ELE_OUT 2
-#define ELE_ORIG 4
-
-#define FACE_IGNORE 16
-
-typedef struct EPathNode {
- struct EPathNode *next, *prev;
- BMVert *v;
- BMEdge *e;
- BMEdge *cure;
-} EPathNode;
-
-typedef struct EPath {
- ListBase nodes;
- float weight;
- int group;
-} EPath;
-
-typedef struct PathBase {
- BLI_mempool *nodepool, *pathpool;
-} PathBase;
-
-typedef struct EdgeData {
- int tag;
- int ftag;
- BMDiskLink v1_disk_link, v2_disk_link;
-} EdgeData;
-
-typedef struct VertData {
- BMEdge *e;
- float no[3], offco[3], sco[3]; /* offco is vertex coordinate slightly offset randomly */
- int tag;
-} VertData;
-
-static int count_edge_faces(BMesh *bm, BMEdge *e);
-
-/**** rotation system code * */
-
-BLI_INLINE BMDiskLink *rs_edge_link_get(BMEdge *e, BMVert *v, EdgeData *e_data)
-{
- return v == ((BMEdge *)e)->v1 ? &(((EdgeData *)e_data)->v1_disk_link) :
- &(((EdgeData *)e_data)->v2_disk_link);
-}
-
-static bool rotsys_append_edge(BMEdge *e, BMVert *v,
- EdgeData *edata, VertData *vdata)
-{
- EdgeData *ed = &edata[BM_elem_index_get(e)];
- VertData *vd = &vdata[BM_elem_index_get(v)];
-
- if (!vd->e) {
- Link *e1 = (Link *)rs_edge_link_get(e, v, ed);
-
- vd->e = e;
- e1->next = e1->prev = (Link *)e;
- }
- else {
- BMDiskLink *dl1, *dl2, *dl3;
- EdgeData *ved = &edata[BM_elem_index_get(vd->e)];
-
- dl1 = rs_edge_link_get(e, v, ed);
- dl2 = rs_edge_link_get(vd->e, v, ved);
- dl3 = dl2->prev ? rs_edge_link_get(dl2->prev, v, &edata[BM_elem_index_get(dl2->prev)]) : NULL;
-
- dl1->next = vd->e;
- dl1->prev = dl2->prev;
-
- dl2->prev = e;
- if (dl3) {
- dl3->next = e;
- }
- }
-
- return true;
-}
-
-static void UNUSED_FUNCTION(rotsys_remove_edge)(BMEdge *e, BMVert *v,
- EdgeData *edata, VertData *vdata)
-{
- EdgeData *ed = edata + BM_elem_index_get(e);
- VertData *vd = vdata + BM_elem_index_get(v);
- BMDiskLink *e1, *e2;
-
- e1 = rs_edge_link_get(e, v, ed);
- if (e1->prev) {
- e2 = rs_edge_link_get(e1->prev, v, ed);
- e2->next = e1->next;
- }
-
- if (e1->next) {
- e2 = rs_edge_link_get(e1->next, v, ed);
- e2->prev = e1->prev;
- }
-
- if (vd->e == e)
- vd->e = (e != e1->next) ? e1->next : NULL;
-
- e1->next = e1->prev = NULL;
-}
-
-static BMEdge *rotsys_nextedge(BMEdge *e, BMVert *v,
- EdgeData *edata, VertData *UNUSED(vdata))
-{
- if (v == e->v1)
- return edata[BM_elem_index_get(e)].v1_disk_link.next;
- if (v == e->v2)
- return edata[BM_elem_index_get(e)].v2_disk_link.next;
- return NULL;
-}
-
-static BMEdge *rotsys_prevedge(BMEdge *e, BMVert *v,
- EdgeData *edata, VertData *UNUSED(vdata))
-{
- if (v == e->v1)
- return edata[BM_elem_index_get(e)].v1_disk_link.prev;
- if (v == e->v2)
- return edata[BM_elem_index_get(e)].v2_disk_link.prev;
- return NULL;
-}
-
-static void rotsys_reverse(BMEdge *UNUSED(e), BMVert *v, EdgeData *edata, VertData *vdata)
-{
- BMEdge **edges = NULL;
- BMEdge *e_first;
- BMEdge *e;
- BLI_array_staticdeclare(edges, BM_DEFAULT_NGON_STACK_SIZE);
- int i, totedge;
-
- e = e_first = vdata[BM_elem_index_get(v)].e;
- do {
- BLI_array_append(edges, e);
- e = rotsys_nextedge(e, v, edata, vdata);
- } while (e != e_first);
-
- totedge = BLI_array_count(edges);
- for (i = 0; i < totedge / 2; i++) {
- SWAP(BMEdge *, edges[i], edges[totedge - 1 - i]);
- }
-
- vdata[BM_elem_index_get(v)].e = NULL;
- for (i = 0; i < totedge; i++) {
- rotsys_append_edge(edges[i], v, edata, vdata);
- }
-
- BLI_array_free(edges);
-}
-
-static int UNUSED_FUNCTION(rotsys_count)(BMVert *v, EdgeData *edata, VertData *vdata)
-{
- BMEdge *e = vdata[BM_elem_index_get(v)].e;
- int i = 0;
-
- if (!e)
- return 0;
-
- do {
- if (!e)
- return 0;
- e = rotsys_nextedge(e, v, edata, vdata);
-
- if (i >= (1 << 20)) {
- printf("bmesh error: infinite loop in disk cycle!\n");
- return 0;
- }
-
- i += 1;
- } while (e != vdata[BM_elem_index_get(v)].e);
-
- return i;
-}
-
-static int UNUSED_FUNCTION(rotsys_fill_faces)(BMesh *bm, EdgeData *edata, VertData *vdata)
-{
- BMIter iter;
- BMEdge *e, **edges = NULL;
- BLI_array_declare(edges);
- BMVert *v, **verts = NULL;
- BMFace *f;
- BLI_array_declare(verts);
- SmallHash visithash, *hash = &visithash;
- int i;
-
- BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
- BMEdge *e2, *starte;
- BMVert *startv;
- int rad, ok;
-
- rad = count_edge_faces(bm, e);
-
- if (rad < 2) {
- starte = e;
- }
- else {
- continue;
- }
-
- /* do two passes, going forward then backward */
- for (i = 0; i < 2; i++) {
- BLI_smallhash_init(hash);
-
- BLI_array_empty(verts);
- BLI_array_empty(edges);
-
- startv = v = starte->v1;
- e2 = starte;
- ok = 1;
- if (!v || !e2)
- continue;
-
- do {
- if (BLI_smallhash_haskey(hash, (intptr_t)e2) ||
- BLI_smallhash_haskey(hash, (intptr_t)v))
- {
- ok = 0;
- break;
- }
-
- BLI_array_append(verts, v);
- BLI_array_append(edges, e2);
-
- BLI_smallhash_insert(hash, (intptr_t)e2, NULL);
-
- v = BM_edge_other_vert(e2, v);
- e2 = i ? rotsys_prevedge(e2, v, edata, vdata) : rotsys_nextedge(e2, v, edata, vdata);
- } while (e2 != starte && v != startv);
-
- BLI_smallhash_release(hash);
-
- if (!ok || BLI_array_count(edges) < 3)
- continue;
-
- f = BM_face_create_ngon(bm, verts[0], verts[1], edges, BLI_array_count(edges), BM_CREATE_NO_DOUBLE);
- if (UNLIKELY(f == NULL)) {
- continue;
- }
- }
- }
-
- return 0;
-}
-
-static void rotsys_make_consistent(BMesh *bm, EdgeData *edata, VertData *vdata)
-{
- BMIter iter;
- BMEdge *e;
- BMVert *v, **stack = NULL;
- BLI_array_declare(stack);
- int i;
-
- for (i = 0; i < bm->totvert; i++) {
- vdata[i].tag = 0;
- }
-
- while (1) {
- VertData *vd;
- BMVert *startv = NULL;
- float dis;
-
- v = BM_iter_new(&iter, bm, BM_VERTS_OF_MESH, NULL);
- for (i = 0; i < bm->totvert; i++, BM_iter_step(&iter)) {
- vd = vdata + BM_elem_index_get(v);
-
- if (vd->tag)
- continue;
-
- if (!startv || dot_v3v3(vd->offco, vd->offco) > dis) {
- dis = dot_v3v3(vd->offco, vd->offco);
- startv = v;
- }
- }
-
- if (!startv)
- break;
-
- vd = vdata + BM_elem_index_get(startv);
-
- BLI_array_empty(stack);
- BLI_array_append(stack, startv);
-
- vd->tag = 1;
-
- while (BLI_array_count(stack)) {
- v = BLI_array_pop(stack);
- vd = vdata + BM_elem_index_get(v);
-
- if (!vd->e)
- continue;
-
- e = vd->e;
- do {
- BMVert *v2 = BM_edge_other_vert(e, v);
- VertData *vd2 = vdata + BM_elem_index_get(v2);
-
- if (dot_v3v3(vd->no, vd2->no) < 0.0f + FLT_EPSILON * 2) {
- rotsys_reverse(e, v2, edata, vdata);
- mul_v3_fl(vd2->no, -1.0f);
- }
-
- if (!vd2->tag) {
- BLI_array_append(stack, v2);
- vd2->tag = 1;
- }
-
- e = rotsys_nextedge(e, v, edata, vdata);
- } while (e != vd->e);
- }
- }
-
- BLI_array_free(stack);
-}
-
-static void init_rotsys(BMesh *bm, EdgeData *edata, VertData *vdata)
-{
- BMIter iter;
- BMEdge *e;
- BMEdge **edges = NULL;
- BLI_array_staticdeclare(edges, BM_DEFAULT_NGON_STACK_SIZE);
- BMVert *v;
- /* BMVert **verts = NULL; */
- /* BLI_array_staticdeclare(verts, BM_DEFAULT_NGON_STACK_SIZE); */ /* UNUSE */
- int i;
-
- BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
- BMIter eiter;
- float no[3], cent[3];
- int j, k = 0, totedge = 0;
-
- if (BM_elem_index_get(v) == -1)
- continue;
-
- BLI_array_empty(edges);
-
- BM_ITER_ELEM (e, &eiter, v, BM_EDGES_OF_VERT) {
- if (BMO_elem_flag_test(bm, e, EDGE_MARK)) {
- BLI_array_append(edges, e);
- totedge++;
- }
- }
-
- copy_v3_v3(cent, v->co);
-
- zero_v3(no);
- for (i = 0; i < totedge; i++) {
- BMEdge *e1, *e2;
- float cno[3], vec1[3], vec2[3];
-
- e1 = edges[i];
- e2 = edges[(i + 1) % totedge];
-
- sub_v3_v3v3(vec1, (BM_edge_other_vert(e1, v))->co, v->co);
- sub_v3_v3v3(vec2, (BM_edge_other_vert(e2, v))->co, v->co);
-
- cross_v3_v3v3(cno, vec1, vec2);
- normalize_v3(cno);
-
- if (i && dot_v3v3(cno, no) < 0.0f + FLT_EPSILON * 10)
- mul_v3_fl(cno, -1.0f);
-
- add_v3_v3(no, cno);
- normalize_v3(no);
- }
-
- /* generate plane-flattened coordinates */
- for (i = 0; i < totedge; i++) {
- BMEdge *e1;
- BMVert *v2;
- float cvec[3], vec1[3];
-
- e1 = edges[i];
- v2 = BM_edge_other_vert(e1, v);
-
- sub_v3_v3v3(vec1, v2->co, v->co);
-
- cross_v3_v3v3(cvec, vec1, no);
- cross_v3_v3v3(vec1, cvec, no);
- normalize_v3(vec1);
-
- mul_v3_fl(vec1, len_v3v3(v2->co, v->co));
- add_v3_v3(vec1, v->co);
-
- copy_v3_v3(vdata[BM_elem_index_get(v2)].sco, vec1);
- }
-
- BLI_srandom(0);
-
- /* first, ensure no 0 or 180 angles between adjacent
- * (and that adjacent's adjacent) edges */
- for (i = 0, k = 0; i < totedge; i++) {
- BMEdge *e1, *e2, *e3 = NULL;
- BMVert *v1, *v2, *v3;
- VertData *vd1, *vd2, *vd3;
- float vec1[3], vec2[3], vec3[3], size;
- int s1, s2, s3;
-
- if (totedge < 3)
- continue;
-
- e1 = edges[(i + totedge - 1) % totedge];
- e2 = edges[i];
- e3 = edges[(i + 1) % totedge];
-
- v1 = BM_edge_other_vert(e1, v);
- v2 = BM_edge_other_vert(e2, v);
- v3 = BM_edge_other_vert(e3, v);
-
- vd1 = vdata + BM_elem_index_get(v1);
- vd2 = vdata + BM_elem_index_get(v2);
- vd3 = vdata + BM_elem_index_get(v3);
-
- sub_v3_v3v3(vec1, vd1->sco, cent);
- sub_v3_v3v3(vec2, vd2->sco, cent);
- sub_v3_v3v3(vec3, vd3->sco, cent);
-
- size = (len_v3(vec1) + len_v3(vec3)) * 0.01f;
- normalize_v3(vec1); normalize_v3(vec2); normalize_v3(vec3);
-
-#ifdef STRAIGHT
-#undef STRAIGHT
-#endif
-#define STRAIGHT(vec11, vec22) (fabsf(dot_v3v3((vec11), (vec22))) > 1.0f - ((float)FLT_EPSILON * 1000.0f))
-
- s1 = STRAIGHT(vec1, vec2); s2 = STRAIGHT(vec2, vec3); s3 = STRAIGHT(vec1, vec3);
-
- if (s1 || s2 || s3) {
- copy_v3_v3(cent, v->co);
-
- for (j = 0; j < 3; j++) {
- float fac = (BLI_frand() - 0.5f) * size;
- cent[j] += fac;
- }
-
- if (k < 2000) {
- i = 0;
- k++;
- continue;
- }
- else {
- k++;
- continue;
- }
-
- }
- }
-
- copy_v3_v3(vdata[BM_elem_index_get(v)].offco, cent);
- //copy_v3_v3(v->co, cent);
-
- /* now, sort edges so the triangle fan of all edges
- * has a consistent normal. this is the same as
- * sorting by polar coordinates along a group normal */
- for (j = 0; j < totedge; j++) {
- for (i = 0; i < totedge; i++) {
- BMEdge *e1, *e2, *e3 = NULL;
- BMVert *v1, *v2, *v3;
- VertData *vd1, *vd2, *vd3;
- float vec1[3], vec2[3], vec3[3], n1[3], n2[3], n3[3];
-
- e1 = edges[(i + totedge - 1) % totedge];
- e2 = edges[i];
- e3 = edges[(i + 1) % totedge];
-
- v1 = BM_edge_other_vert(e1, v);
- v2 = BM_edge_other_vert(e2, v);
- v3 = BM_edge_other_vert(e3, v);
-
- vd1 = vdata + BM_elem_index_get(v1);
- vd2 = vdata + BM_elem_index_get(v2);
- vd3 = vdata + BM_elem_index_get(v3);
-
- sub_v3_v3v3(vec1, vd1->sco, cent);
- sub_v3_v3v3(vec2, vd2->sco, cent);
- sub_v3_v3v3(vec3, vd3->sco, cent);
-
- cross_v3_v3v3(n1, vec1, vec2);
- cross_v3_v3v3(n2, vec2, vec3);
- cross_v3_v3v3(n3, vec1, vec3);
-
- /* this case happens often enough and probably not worth bothering users with,
- * maybe enable for debugging code but not for everyday use - campbell */
-#if 0
- /* Other way to determine if two vectors approach are (nearly) parallel: the
- * cross product of the two vectors will approach zero */
- {
- int s1, s2, s3;
- s1 = (dot_v3v3(n1, n1) < (0.0f + FLT_EPSILON * 10));
- s2 = (dot_v3v3(n2, n2) < (0.0f + FLT_EPSILON * 10));
- s3 = (totedge < 3) ? 0 : (dot_v3v3(n3, n3) < (0.0f + FLT_EPSILON * 10));
-
- if (s1 || s2 || s3) {
- fprintf(stderr, "%s: s1: %d, s2: %d, s3: %dx (bmesh internal error)\n", __func__, s1, s2, s3);
- }
- }
-#endif
-
- normalize_v3(n1); normalize_v3(n2); normalize_v3(n3);
-
-
- if (dot_v3v3(n1, n2) < 0.0f) {
- if (dot_v3v3(n1, n3) >= 0.0f + FLT_EPSILON * 10) {
- SWAP(BMEdge *, edges[i], edges[(i + 1) % totedge]);
- }
- else {
- SWAP(BMEdge *, edges[(i + totedge - 1) % totedge], edges[(i + 1) % totedge]);
- SWAP(BMEdge *, edges[i], edges[(i + 1) % totedge]);
- }
- }
- }
- }
-
-#undef STRAIGHT
-
- zero_v3(no);
-
- /* yay, edges are sorted */
- for (i = 0; i < totedge; i++) {
- BMEdge *e1 = edges[i], *e2 = edges[(i + 1) % totedge];
- float eno[3];
-
- normal_tri_v3(eno, BM_edge_other_vert(e1, v)->co, v->co, BM_edge_other_vert(e2, v)->co);
- add_v3_v3(no, eno);
-
- rotsys_append_edge(edges[i], v, edata, vdata);
- }
-
- normalize_v3(no);
- copy_v3_v3(vdata[BM_elem_index_get(v)].no, no);
- }
-
- /* now, make sure rotation system is topologically consistent
- * (e.g. vert normals consistently point either inside or outside) */
- rotsys_make_consistent(bm, edata, vdata);
-
- //rotsys_fill_faces(bm, edata, vdata);
-
-#if 0
- /* create visualizing geometry */
- BMVert *lastv;
- BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
- BMVert *v2;
- BMFace *f;
- int totedge = BM_vert_edge_count(v);
-
- if (BM_elem_index_get(v) == -1)
- continue;
-
- //cv = BM_vert_create(bm, cent, v);
- //BM_elem_index_set(cv, -1); /* set_dirty! */
- i = 0;
- e = vdata[BM_elem_index_get(v)].e;
- lastv = NULL;
- do {
- BMEdge *e2;
- BMVert *v2;
- float f = ((float)i / (float)totedge) * 0.35 + 0.05;
- float co[3];
-
- if (!e)
- break;
-
- if (!BM_edge_other_vert(e, v))
- continue;
-
- sub_v3_v3v3(co, (BM_edge_other_vert(e, v))->co, vdata[BM_elem_index_get(v)].offco);
- mul_v3_fl(co, f);
- add_v3_v3(co, vdata[BM_elem_index_get(v)].offco);
-
- v2 = BM_vert_create(bm, co, NULL);
- BM_elem_index_set(v2, -1); /* set_dirty! */
- //BM_edge_create(bm, cv, v2, NULL, 0);
-
- BM_vert_select_set(bm, v2, true);
- if (lastv) {
- e2 = BM_edge_create(bm, lastv, v2, NULL, 0);
- BM_edge_select_set(bm, e2, true);
- }
-
- lastv = v2;
-
- e = rotsys_nextedge(e, v, edata, vdata);
- i++;
- } while (e != vdata[BM_elem_index_get(v)].e);
- }
-#endif
-
- BLI_array_free(edges);
-}
-
-static PathBase *edge_pathbase_new(void)
-{
- PathBase *pb = MEM_callocN(sizeof(PathBase), "PathBase");
-
- pb->nodepool = BLI_mempool_create(sizeof(EPathNode), 1, 512, BLI_MEMPOOL_SYSMALLOC);
- pb->pathpool = BLI_mempool_create(sizeof(EPath), 1, 512, BLI_MEMPOOL_SYSMALLOC);
-
- return pb;
-}
-
-static void edge_pathbase_free(PathBase *pathbase)
-{
- BLI_mempool_destroy(pathbase->nodepool);
- BLI_mempool_destroy(pathbase->pathpool);
- MEM_freeN(pathbase);
-}
-
-static EPath *edge_copy_add_path(PathBase *pb, EPath *path, BMVert *appendv, BMEdge *e)
-{
- EPath *path2;
- EPathNode *node, *node2;
-
- path2 = BLI_mempool_alloc(pb->pathpool);
- path2->nodes.first = path2->nodes.last = NULL;
- path2->weight = 0.0f;
- path2->group = path->group;
-
- for (node = path->nodes.first; node; node = node->next) {
- node2 = BLI_mempool_alloc(pb->nodepool);
- *node2 = *node;
- BLI_addtail(&path2->nodes, node2);
- }
-
- node2 = BLI_mempool_alloc(pb->nodepool);
- node2->v = appendv;
- node2->e = e;
- node2->cure = NULL;
-
- BLI_addtail(&path2->nodes, node2);
-
- return path2;
-}
-
-static EPath *edge_path_new(PathBase *pb, BMVert *start, BMEdge *starte)
-{
- EPath *path;
- EPathNode *node;
-
- path = BLI_mempool_alloc(pb->pathpool);
- node = BLI_mempool_alloc(pb->nodepool);
-
- path->nodes.first = path->nodes.last = NULL;
-
- node->v = start;
- node->e = starte;
- node->cure = NULL;
-
- BLI_addtail(&path->nodes, node);
- path->weight = 0.0f;
-
- return path;
-}
-
-static float edge_weight_path(EPath *path, EdgeData *edata, VertData *UNUSED(vdata))
-{
- EPathNode *node, *first = path->nodes.first;
- float w = 0.0;
-
- for (node = path->nodes.first; node; node = node->next) {
- if (node->e && node != path->nodes.first) {
- w += edata[BM_elem_index_get(node->e)].ftag;
- if (node->prev) {
- /* BMESH_TOD */
- (void)first;
- //w += len_v3v3(node->v->co, first->e->v1->co) * 0.0001f;
- //w += len_v3v3(node->v->co, first->e->v2->co) * 0.0001f;
- }
- }
-
- w += 1.0f;
- }
-
- return w;
-}
-
-
-static void edge_free_path(PathBase *pathbase, EPath *path)
-{
- EPathNode *node, *next;
-
- for (node = path->nodes.first; node; node = next) {
- next = node->next;
- BLI_mempool_free(pathbase->nodepool, node);
- }
-
- BLI_mempool_free(pathbase->pathpool, path);
-}
-
-static EPath *edge_find_shortest_path(BMesh *bm, BMOperator *op, BMEdge *edge, EdgeData *edata,
- VertData *vdata, PathBase *pathbase, int group)
-{
- BMEdge *e;
- GHash *gh = BLI_ghash_ptr_new("createops find shortest path");
- BMVert *v1, *v2;
- BMVert **verts = NULL;
- BLI_array_staticdeclare(verts, 1024);
- Heap *heap = BLI_heap_new();
- EPath *path = NULL, *path2;
- BMVert *startv;
- BMVert *endv;
- EPathNode *node;
- int i;
- const bool use_restrict = BMO_slot_bool_get(op->slots_in, "use_restrict");
- BMOpSlot *slot_restrict = BMO_slot_get(op->slots_in, "restrict");
-
-
- startv = edata[BM_elem_index_get(edge)].ftag ? edge->v2 : edge->v1;
- endv = edata[BM_elem_index_get(edge)].ftag ? edge->v1 : edge->v2;
-
- path = edge_path_new(pathbase, startv, edge);
- BLI_ghash_insert(gh, startv, NULL);
- BLI_heap_insert(heap, path->weight, path);
- path->group = group;
-
- while (BLI_heap_size(heap)) {
- VertData *vd;
- EPathNode *last;
- BMFace *f = NULL;
-
- path = BLI_heap_popmin(heap);
- last = path->nodes.last;
- v1 = last->v;
-
- if (v1 == endv) {
- /* make sure this path loop doesn't already exists */
- i = 0;
- BLI_array_empty(verts);
- for (i = 0, node = path->nodes.first; node; node = node->next, i++) {
- BLI_array_grow_one(verts);
- verts[i] = node->v;
- }
-
- if (BM_face_exists(verts, i, &f)) {
- if (!BMO_elem_flag_test(bm, f, FACE_IGNORE)) {
- BLI_ghash_remove(gh, endv, NULL, NULL);
- continue;
- }
- }
- break;
- }
-
- vd = vdata + BM_elem_index_get(v1);
- if (!vd->e)
- continue;
-
- v2 = NULL;
- while (1) {
- if (!last->cure) {
- last->cure = e = vdata[BM_elem_index_get(last->v)].e;
- }
- else {
- last->cure = e = rotsys_nextedge(last->cure, last->v, edata, vdata);
- if (last->cure == vdata[BM_elem_index_get(last->v)].e) {
- v2 = NULL;
- break;
- }
- }
-
- if (e == edge || !BMO_elem_flag_test(bm, e, EDGE_MARK)) {
- continue;
- }
-
- v2 = BM_edge_other_vert(e, last->v);
-
- if (BLI_ghash_haskey(gh, v2)) {
- v2 = NULL;
- continue;
- }
-
- if (use_restrict) {
- int *group_flag = (int *)BMO_slot_map_data_get(slot_restrict, e);
- if (group_flag) {
- if (!(*group_flag & path->group)) {
- v2 = NULL;
- continue;
- }
- }
- }
-
- break;
- }
-
- if (!v2) {
- if (path) {
- edge_free_path(pathbase, path);
- path = NULL;
- }
- continue;
- }
-
- /* add path back into heap */
- BLI_heap_insert(heap, path->weight, path);
-
- /* put v2 in gh ma */
- BLI_ghash_insert(gh, v2, NULL);
-
- path2 = edge_copy_add_path(pathbase, path, v2, e);
- path2->weight = edge_weight_path(path2, edata, vdata);
-
- BLI_heap_insert(heap, path2->weight, path2);
- }
-
- if (path && ((EPathNode *)path->nodes.last)->v != endv) {
- edge_free_path(pathbase, path);
- path = NULL;
- }
-
- BLI_array_free(verts);
- BLI_heap_free(heap, NULL);
- BLI_ghash_free(gh, NULL, NULL);
-
- return path;
-}
-
-static int count_edge_faces(BMesh *bm, BMEdge *e)
-{
- int i = 0;
- BMLoop *l = e->l;
-
- if (!l) {
- return 0;
- }
-
- do {
- if (!BMO_elem_flag_test(bm, l->f, FACE_IGNORE)) {
- i++;
- }
-
- l = l->radial_next;
- } while (l != e->l);
-
- return i;
-}
-
-BLI_INLINE void vote_on_winding(BMEdge *edge, EPathNode *node, unsigned int winding[2])
-{
- BMVert *test_v1, *test_v2;
- /* we want to use the reverse winding to the existing order */
- BM_edge_ordered_verts(edge, &test_v2, &test_v1);
-
- /* edges vote on which winding wins out */
- winding[(test_v1 == node->v)]++;
-}
-
-void bmo_edgenet_fill_exec(BMesh *bm, BMOperator *op)
-{
- BMIter iter;
- BMOIter siter;
- BMFace *f;
- BMEdge *e;
- BMVert **verts = NULL;
- BLI_array_declare(verts);
- EPath *path;
- EPathNode *node;
- EdgeData *edata;
- VertData *vdata;
- BMEdge **edges = NULL;
- PathBase *pathbase;
- BLI_array_declare(edges);
- const bool use_restrict = BMO_slot_bool_get(op->slots_in, "use_restrict");
- const bool use_fill_check = BMO_slot_bool_get(op->slots_in, "use_fill_check");
- const short mat_nr = BMO_slot_int_get(op->slots_in, "mat_nr");
- const bool use_smooth = BMO_slot_bool_get(op->slots_in, "use_smooth");
- int i, j;
- unsigned int winding[2]; /* accumulte winding directions for each edge which has a face */
- BMOpSlot *slot_restrict = BMO_slot_get(op->slots_in, "restrict");
- BMOpSlot *slot_face_groupmap_out = BMO_slot_get(op->slots_out, "face_groupmap.out");
-
- if (!bm->totvert || !bm->totedge)
- return;
-
- pathbase = edge_pathbase_new();
-
- edata = MEM_callocN(sizeof(EdgeData) * bm->totedge, "EdgeData");
- vdata = MEM_callocN(sizeof(VertData) * bm->totvert, "VertData");
-
- BMO_slot_buffer_flag_enable(bm, op->slots_in, "edges", BM_EDGE, EDGE_MARK);
- BMO_slot_buffer_flag_enable(bm, op->slots_in, "exclude_faces", BM_FACE, FACE_IGNORE);
-
- BM_mesh_elem_index_ensure(bm, BM_VERT);
-
- BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
- BMO_elem_flag_enable(bm, f, ELE_ORIG);
- }
-
- BM_ITER_MESH_INDEX (e, &iter, bm, BM_EDGES_OF_MESH, i) {
- BM_elem_index_set(e, i); /* set_inline */
-
- if (!BMO_elem_flag_test(bm, e, EDGE_MARK)) {
- edata[i].tag = 2;
- }
- }
- bm->elem_index_dirty &= ~BM_EDGE;
-
- init_rotsys(bm, edata, vdata);
-
- while (1) {
- BMEdge *edge = NULL;
- int group = 0;
-
- BMO_ITER (e, &siter, op->slots_in, "edges", BM_EDGE) {
- /* if restrict is on, only start on faces in the restrict map */
- if (use_restrict && !BMO_slot_map_contains(slot_restrict, e))
- continue;
-
- if (edata[BM_elem_index_get(e)].tag < 2) {
- edge = e;
-
- if (use_restrict) {
- int gi_iter = 0, gi_count = 0, gi = 0;
-
- group = BMO_slot_map_int_get(slot_restrict, e);
-
- for (gi_iter = 0; gi_iter < 30; gi_iter++) {
- if (group & (1 << gi_iter)) {
- gi_count++;
- gi = gi_iter;
-
- if (gi_count - 1 == edata[BM_elem_index_get(e)].tag) {
- break;
- }
- }
- }
-
- group = (1 << gi);
- }
-
- break;
- }
- }
-
- if (!edge)
- break;
-
- edata[BM_elem_index_get(edge)].tag += 1;
-
- path = edge_find_shortest_path(bm, op, edge, edata, vdata, pathbase, group);
- if (!path)
- continue;
-
- winding[0] = winding[1] = 0;
-
- BLI_array_empty(edges);
- BLI_array_empty(verts);
- i = 0;
- for (node = path->nodes.first; node; node = node->next) {
- if (!node->next)
- continue;
-
- e = BM_edge_exists(node->v, node->next->v);
-
- /* this should never happe */
- if (!e)
- break;
-
- /* check on the winding */
- if (e->l) {
- vote_on_winding(e, node, winding);
- }
-
- edata[BM_elem_index_get(e)].ftag++;
- BLI_array_grow_one(edges);
- edges[i++] = e;
-
- BLI_array_append(verts, node->v);
- }
-
- if (edge->l) {
- vote_on_winding(edge, path->nodes.last, winding);
- }
-
- BLI_array_grow_one(edges);
- edges[i++] = edge;
- edata[BM_elem_index_get(edge)].ftag++;
-
- for (j = 0; j < i; j++) {
- if (count_edge_faces(bm, edges[j]) >= 2) {
- edge_free_path(pathbase, path);
- break;
- }
- }
-
- if (j != i) {
- continue;
- }
-
- if (i) {
- BMVert *v1, *v2;
-
- /* to define the winding order must select first edge,
- * otherwise we could leave this as-is */
- edge = edges[0];
-
- /* if these are even it doesn't really matter what to do,
- * with consistent geometry one will be zero, the choice is clear */
- if (winding[0] < winding[1]) {
- v1 = verts[0];
- v2 = verts[1];
- }
- else {
- v1 = verts[1];
- v2 = verts[0];
- }
-
- if ((use_fill_check == false) ||
- /* fairly expensive check - see if there are already faces filling this area */
- (BM_face_exists_multi_edge(edges, i) == false))
- {
- f = BM_face_create_ngon(bm, v1, v2, edges, i, BM_CREATE_NO_DOUBLE);
- if (f && !BMO_elem_flag_test(bm, f, ELE_ORIG)) {
- BMO_elem_flag_enable(bm, f, FACE_NEW);
- f->mat_nr = mat_nr;
- if (use_smooth) {
- BM_elem_flag_enable(f, BM_ELEM_SMOOTH);
- }
- }
-
- if (use_restrict) {
- BMO_slot_map_int_insert(op, slot_face_groupmap_out, f, path->group);
- }
- }
- }
-
- edge_free_path(pathbase, path);
- }
-
- BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "faces.out", BM_FACE, FACE_NEW);
-
- BLI_array_free(edges);
- BLI_array_free(verts);
- edge_pathbase_free(pathbase);
- MEM_freeN(edata);
- MEM_freeN(vdata);
-}
-
-static BMEdge *edge_next(BMesh *bm, BMEdge *e)
-{
- BMIter iter;
- BMEdge *e2;
- int i;
-
- for (i = 0; i < 2; i++) {
- BM_ITER_ELEM (e2, &iter, i ? e->v2 : e->v1, BM_EDGES_OF_VERT) {
- if ((BMO_elem_flag_test(bm, e2, EDGE_MARK)) &&
- (!BMO_elem_flag_test(bm, e2, EDGE_VIS)) &&
- (e2 != e))
- {
- return e2;
- }
- }
- }
-
- return NULL;
-}
-
-void bmo_edgenet_prepare_exec(BMesh *bm, BMOperator *op)
-{
- BMOIter siter;
- BMEdge *e;
- BMEdge **edges1 = NULL, **edges2 = NULL, **edges;
- BLI_array_declare(edges1);
- BLI_array_declare(edges2);
- BLI_array_declare(edges);
- int ok = 1;
- int i, count;
-
- BMO_slot_buffer_flag_enable(bm, op->slots_in, "edges", BM_EDGE, EDGE_MARK);
-
- /* validate that each edge has at most one other tagged edge in the
- * disk cycle around each of it's vertices */
- BMO_ITER (e, &siter, op->slots_in, "edges", BM_EDGE) {
- for (i = 0; i < 2; i++) {
- count = BMO_vert_edge_flags_count(bm, i ? e->v2 : e->v1, EDGE_MARK);
- if (count > 2) {
- ok = 0;
- break;
- }
- }
-
- if (!ok) {
- break;
- }
- }
-
- /* we don't have valid edge layouts, retur */
- if (!ok) {
- return;
- }
-
- /* find connected loops within the input edge */
- count = 0;
- while (1) {
- BMO_ITER (e, &siter, op->slots_in, "edges", BM_EDGE) {
- if (!BMO_elem_flag_test(bm, e, EDGE_VIS)) {
- if (BMO_vert_edge_flags_count(bm, e->v1, EDGE_MARK) == 1 ||
- BMO_vert_edge_flags_count(bm, e->v2, EDGE_MARK) == 1)
- {
- break;
- }
- }
- }
-
- if (!e) {
- break;
- }
-
- if (!count) {
- edges = edges1;
- }
- else if (count == 1) {
- edges = edges2;
- }
- else {
- break;
- }
-
- i = 0;
- while (e) {
- BMO_elem_flag_enable(bm, e, EDGE_VIS);
- BLI_array_grow_one(edges);
- edges[i] = e;
-
- e = edge_next(bm, e);
- i++;
- }
-
- if (!count) {
- edges1 = edges;
- BLI_array_length_set(edges1, BLI_array_count(edges));
- }
- else {
- edges2 = edges;
- BLI_array_length_set(edges2, BLI_array_count(edges));
- }
-
- BLI_array_empty(edges);
- count++;
- }
-
- if (edges1 && BLI_array_count(edges1) > 2 &&
- BM_edge_share_vert_check(edges1[0], edges1[BLI_array_count(edges1) - 1]))
- {
- if (edges2 && BLI_array_count(edges2) > 2 &&
- BM_edge_share_vert_check(edges2[0], edges2[BLI_array_count(edges2) - 1]))
- {
- BLI_array_free(edges1);
- BLI_array_free(edges2);
- return;
- }
- else {
- edges1 = edges2;
- edges2 = NULL;
- }
- }
-
- if (edges2 && BLI_array_count(edges2) > 2 &&
- BM_edge_share_vert_check(edges2[0], edges2[BLI_array_count(edges2) - 1]))
- {
- edges2 = NULL;
- }
-
- /* two unconnected loops, connect the */
- if (edges1 && edges2) {
- BMVert *v1, *v2, *v3, *v4;
- float dvec1[3];
- float dvec2[3];
-
- if (BLI_array_count(edges1) == 1) {
- v1 = edges1[0]->v1;
- v2 = edges1[0]->v2;
- }
- else {
- v1 = BM_vert_in_edge(edges1[1], edges1[0]->v1) ? edges1[0]->v2 : edges1[0]->v1;
- i = BLI_array_count(edges1) - 1;
- v2 = BM_vert_in_edge(edges1[i - 1], edges1[i]->v1) ? edges1[i]->v2 : edges1[i]->v1;
- }
-
- if (BLI_array_count(edges2) == 1) {
- v3 = edges2[0]->v1;
- v4 = edges2[0]->v2;
- }
- else {
- v3 = BM_vert_in_edge(edges2[1], edges2[0]->v1) ? edges2[0]->v2 : edges2[0]->v1;
- i = BLI_array_count(edges2) - 1;
- v4 = BM_vert_in_edge(edges2[i - 1], edges2[i]->v1) ? edges2[i]->v2 : edges2[i]->v1;
- }
-
- /* if there is ever bow-tie quads between two edges the problem is here! [#30367] */
-#if 0
- normal_tri_v3(dvec1, v1->co, v2->co, v4->co);
- normal_tri_v3(dvec2, v1->co, v4->co, v3->co);
-#else
- {
- /* save some CPU cycles and skip the sqrt and 1 subtraction */
- float a1[3], a2[3], a3[3];
- sub_v3_v3v3(a1, v1->co, v2->co);
- sub_v3_v3v3(a2, v1->co, v4->co);
- sub_v3_v3v3(a3, v1->co, v3->co);
- cross_v3_v3v3(dvec1, a1, a2);
- cross_v3_v3v3(dvec2, a2, a3);
- }
-#endif
- if (dot_v3v3(dvec1, dvec2) < 0.0f) {
- SWAP(BMVert *, v3, v4);
- }
-
- e = BM_edge_create(bm, v1, v3, NULL, BM_CREATE_NO_DOUBLE);
- BMO_elem_flag_enable(bm, e, ELE_NEW);
- e = BM_edge_create(bm, v2, v4, NULL, BM_CREATE_NO_DOUBLE);
- BMO_elem_flag_enable(bm, e, ELE_NEW);
- }
- else if (edges1) {
- BMVert *v1, *v2;
-
- if (BLI_array_count(edges1) > 1) {
- v1 = BM_vert_in_edge(edges1[1], edges1[0]->v1) ? edges1[0]->v2 : edges1[0]->v1;
- i = BLI_array_count(edges1) - 1;
- v2 = BM_vert_in_edge(edges1[i - 1], edges1[i]->v1) ? edges1[i]->v2 : edges1[i]->v1;
- e = BM_edge_create(bm, v1, v2, NULL, BM_CREATE_NO_DOUBLE);
- BMO_elem_flag_enable(bm, e, ELE_NEW);
- }
- }
-
- BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "edges.out", BM_EDGE, ELE_NEW);
-
- BLI_array_free(edges1);
- BLI_array_free(edges2);
-}
/* This is what runs when pressing the F key
* doing the best thing here isn't always easy create vs dissolve, its nice to support