diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-02-26 08:38:37 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2012-02-26 08:38:37 +0400 |
commit | a631b5a651802311b1873f2291b1b192deecfae9 (patch) | |
tree | 836238e33930d534afa037f2c88362792eed939a /source/blender | |
parent | ebeb8155777269ea70f5c0c9de898bdd01d87715 (diff) |
fix for a bug in bmesh_jekv (and its main caller BM_vert_collapse_faces).
Collapsing an edge could result on 2 edges sharing the same verts, now check for this and 'splice' one edge into another.
Diffstat (limited to 'source/blender')
-rw-r--r-- | source/blender/bmesh/intern/bmesh_mods.c | 8 | ||||
-rw-r--r-- | source/blender/bmesh/intern/bmesh_newcore.c | 36 | ||||
-rw-r--r-- | source/blender/bmesh/intern/bmesh_structure.h | 3 | ||||
-rw-r--r-- | source/blender/bmesh/tools/BME_bevel.c | 2 |
4 files changed, 33 insertions, 16 deletions
diff --git a/source/blender/bmesh/intern/bmesh_mods.c b/source/blender/bmesh/intern/bmesh_mods.c index 471a9f3965f..e512126ce80 100644 --- a/source/blender/bmesh/intern/bmesh_mods.c +++ b/source/blender/bmesh/intern/bmesh_mods.c @@ -478,8 +478,8 @@ BMEdge *BM_vert_collapse_faces(BMesh *bm, BMEdge *ke, BMVert *kv, float fac, con /* single face or no faces */ /* same as BM_vert_collapse_edge() however we already * have vars to perform this operation so dont call. */ - bmesh_jekv(bm, ke, kv); - ne = BM_edge_exists(tv, tv2); + ne = bmesh_jekv(bm, ke, kv, TRUE); + /* ne = BM_edge_exists(tv, tv2); */ /* same as return above */ return ne; } @@ -512,9 +512,9 @@ BMEdge *BM_vert_collapse_edge(BMesh *bm, BMEdge *ke, BMVert *kv) BMVert *tv2 = BM_edge_other_vert(e2, kv); if (tv2) { /* only action, other calls here only get the edge to return */ - bmesh_jekv(bm, ke, kv); + ne = bmesh_jekv(bm, ke, kv); - ne = BM_edge_exists(tv, tv2); + /* ne = BM_edge_exists(tv, tv2); */ /* same as return above */ } } } diff --git a/source/blender/bmesh/intern/bmesh_newcore.c b/source/blender/bmesh/intern/bmesh_newcore.c index 2966af9baf8..a03e1512557 100644 --- a/source/blender/bmesh/intern/bmesh_newcore.c +++ b/source/blender/bmesh/intern/bmesh_newcore.c @@ -41,6 +41,8 @@ * TESTING ONLY! */ // #define USE_DEBUG_INDEX_MEMCHECK +static int bmesh_edge_splice(BMesh *bm, BMEdge *e, BMEdge *etarget); + #ifdef USE_DEBUG_INDEX_MEMCHECK #define DEBUG_MEMCHECK_INDEX_INVALIDATE(ele) \ { \ @@ -1434,9 +1436,9 @@ BMVert *bmesh_semv(BMesh *bm, BMVert *tv, BMEdge *e, BMEdge **re) * these faces. * * Returns - - * 1 for success, 0 for failure. + * The resulting edge, NULL for failure. */ -int bmesh_jekv(BMesh *bm, BMEdge *ke, BMVert *kv) +struct BMEdge *bmesh_jekv(BMesh *bm, BMEdge *ke, BMVert *kv, const short check_edge_double) { BMEdge *oe; BMVert *ov, *tv; @@ -1444,7 +1446,7 @@ int bmesh_jekv(BMesh *bm, BMEdge *ke, BMVert *kv) int len, radlen = 0, halt = 0, i, valence1, valence2, edok; if (bmesh_vert_in_edge(ke, kv) == 0) { - return FALSE; + return NULL; } len = bmesh_disk_count(kv); @@ -1456,13 +1458,19 @@ int bmesh_jekv(BMesh *bm, BMEdge *ke, BMVert *kv) halt = bmesh_verts_in_edge(kv, tv, oe); /* check for double edge */ if (halt) { - return FALSE; + return NULL; } else { + BMEdge *e_splice; + /* For verification later, count valence of ov and t */ valence1 = bmesh_disk_count(ov); valence2 = bmesh_disk_count(tv); - + + if (check_edge_double) { + e_splice = BM_edge_exists(tv, ov); + } + /* remove oe from kv's disk cycl */ bmesh_disk_remove_edge(oe, kv); /* relink oe->kv to be oe->t */ @@ -1547,14 +1555,21 @@ int bmesh_jekv(BMesh *bm, BMEdge *ke, BMVert *kv) BM_CHECK_ELEMENT(bm, l->f); } + if (check_edge_double) { + if (e_splice) { + /* removes e_splice */ + bmesh_edge_splice(bm, e_splice, oe); + } + } + BM_CHECK_ELEMENT(bm, ov); BM_CHECK_ELEMENT(bm, tv); BM_CHECK_ELEMENT(bm, oe); - return TRUE; + return oe; } } - return FALSE; + return NULL; } /** @@ -1718,7 +1733,7 @@ BMFace *bmesh_jfke(BMesh *bm, BMFace *f1, BMFace *f2, BMEdge *e) * * merges two verts into one (v into vtarget). */ -static int bmesh_splicevert(BMesh *bm, BMVert *v, BMVert *vtarget) +static int bmesh_vert_splice(BMesh *bm, BMVert *v, BMVert *vtarget) { BMEdge *e; BMLoop *l; @@ -1861,7 +1876,7 @@ static int bmesh_cutvert(BMesh *bm, BMVert *v, BMVert ***vout, int *len) * * edges must already have the same vertices */ -static int UNUSED_FUNCTION(bmesh_spliceedge)(BMesh *bm, BMEdge *e, BMEdge *etarget) +static int bmesh_edge_splice(BMesh *bm, BMEdge *e, BMEdge *etarget) { BMLoop *l; @@ -1883,6 +1898,7 @@ static int UNUSED_FUNCTION(bmesh_spliceedge)(BMesh *bm, BMEdge *e, BMEdge *etarg BM_CHECK_ELEMENT(bm, e); BM_CHECK_ELEMENT(bm, etarget); + /* removes from disks too */ BM_edge_kill(bm, e); return TRUE; @@ -1992,7 +2008,7 @@ static BMVert *bmesh_urmv_loop(BMesh *bm, BMLoop *sl) /* And then glue the rest back together */ for (i = 1; i < len - 1; i++) { - bmesh_splicevert(bm, vtar[i], vtar[0]); + bmesh_vert_splice(bm, vtar[i], vtar[0]); } } } diff --git a/source/blender/bmesh/intern/bmesh_structure.h b/source/blender/bmesh/intern/bmesh_structure.h index 1c00183e03a..a569c98d16d 100644 --- a/source/blender/bmesh/intern/bmesh_structure.h +++ b/source/blender/bmesh/intern/bmesh_structure.h @@ -90,7 +90,8 @@ struct BMFace *bmesh_sfme(struct BMesh *bm, struct BMFace *f, struct BMVert *v1, #endif BMEdge *example ); -int bmesh_jekv(struct BMesh *bm, struct BMEdge *ke, struct BMVert *kv); + +struct BMEdge *bmesh_jekv(struct BMesh *bm, struct BMEdge *ke, struct BMVert *kv, const short check_edge_splice); int bmesh_loop_reverse(struct BMesh *bm, struct BMFace *f); struct BMFace *bmesh_jfke(struct BMesh *bm, struct BMFace *f1, struct BMFace *f2, struct BMEdge *e); diff --git a/source/blender/bmesh/tools/BME_bevel.c b/source/blender/bmesh/tools/BME_bevel.c index 134b7f9eb0c..144a0f7ea5e 100644 --- a/source/blender/bmesh/tools/BME_bevel.c +++ b/source/blender/bmesh/tools/BME_bevel.c @@ -153,7 +153,7 @@ static int BME_Bevel_Dissolve_Disk(BMesh *bm, BMVert *v) e = v->e; elast = bmesh_disk_nextedge(e, v); - bmesh_jekv(bm, e, v); + bmesh_jekv(bm, e, v, FALSE); l1 = elast->l; l2 = l1->radial_next; |