[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [55286] trunk/blender/source/blender: converting a mesh to a curve was unnecessarily using tessface's.
Campbell Barton
ideasman42 at gmail.com
Thu Mar 14 19:35:22 CET 2013
Revision: 55286
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=55286
Author: campbellbarton
Date: 2013-03-14 18:35:21 +0000 (Thu, 14 Mar 2013)
Log Message:
-----------
converting a mesh to a curve was unnecessarily using tessface's.
use mpolys instead and simplify checks for wire edges.
Also rename BKE_mesh_from_curve() --> BKE_mesh_to_curve() since this function converts a mesh into a curve.
Modified Paths:
--------------
trunk/blender/source/blender/blenkernel/BKE_mesh.h
trunk/blender/source/blender/blenkernel/intern/mesh.c
trunk/blender/source/blender/editors/object/object_add.c
Modified: trunk/blender/source/blender/blenkernel/BKE_mesh.h
===================================================================
--- trunk/blender/source/blender/blenkernel/BKE_mesh.h 2013-03-14 16:53:38 UTC (rev 55285)
+++ trunk/blender/source/blender/blenkernel/BKE_mesh.h 2013-03-14 18:35:21 UTC (rev 55286)
@@ -169,7 +169,7 @@
struct MLoopUV **alluv, int *_totloop, int *_totpoly);
void BKE_mesh_from_nurbs_displist(struct Object *ob, struct ListBase *dispbase, int use_orco_uv);
void BKE_mesh_from_nurbs(struct Object *ob);
-void BKE_mesh_from_curve(struct Scene *scene, struct Object *ob);
+void BKE_mesh_to_curve(struct Scene *scene, struct Object *ob);
void BKE_mesh_delete_material_index(struct Mesh *me, short index);
void BKE_mesh_smooth_flag_set(struct Object *meshOb, int enableSmooth);
void BKE_mesh_convert_mfaces_to_mpolys(struct Mesh *mesh);
Modified: trunk/blender/source/blender/blenkernel/intern/mesh.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/mesh.c 2013-03-14 16:53:38 UTC (rev 55285)
+++ trunk/blender/source/blender/blenkernel/intern/mesh.c 2013-03-14 18:35:21 UTC (rev 55286)
@@ -1586,60 +1586,50 @@
BLI_addtail(lb, vl);
}
-void BKE_mesh_from_curve(Scene *scene, Object *ob)
+void BKE_mesh_to_curve(Scene *scene, Object *ob)
{
/* make new mesh data from the original copy */
DerivedMesh *dm = mesh_get_derived_final(scene, ob, CD_MASK_MESH);
MVert *mverts = dm->getVertArray(dm);
MEdge *med, *medge = dm->getEdgeArray(dm);
- MFace *mf, *mface = dm->getTessFaceArray(dm);
+ MPoly *mp, *mpoly = dm->getPolyArray(dm);
+ MLoop *mloop = dm->getLoopArray(dm);
int totedge = dm->getNumEdges(dm);
- int totface = dm->getNumTessFaces(dm);
+ int totpoly = dm->getNumPolys(dm);
int totedges = 0;
- int i, needsFree = 0;
+ int i;
+ bool needsFree = false;
/* only to detect edge polylines */
- EdgeHash *eh = BLI_edgehash_new();
- EdgeHash *eh_edge = BLI_edgehash_new();
+ int *edge_users;
-
ListBase edges = {NULL, NULL};
- /* create edges from all faces (so as to find edges not in any faces) */
- mf = mface;
- for (i = 0; i < totface; i++, mf++) {
- if (!BLI_edgehash_haskey(eh, mf->v1, mf->v2))
- BLI_edgehash_insert(eh, mf->v1, mf->v2, NULL);
- if (!BLI_edgehash_haskey(eh, mf->v2, mf->v3))
- BLI_edgehash_insert(eh, mf->v2, mf->v3, NULL);
-
- if (mf->v4) {
- if (!BLI_edgehash_haskey(eh, mf->v3, mf->v4))
- BLI_edgehash_insert(eh, mf->v3, mf->v4, NULL);
- if (!BLI_edgehash_haskey(eh, mf->v4, mf->v1))
- BLI_edgehash_insert(eh, mf->v4, mf->v1, NULL);
+ /* get boundary edges */
+ edge_users = MEM_callocN(sizeof(int) * totedge, __func__);
+ for (i = 0, mp = mpoly; i < totpoly; i++, mp++) {
+ MLoop *ml = &mloop[mp->loopstart];
+ int j;
+ for (j = 0; j < mp->totloop; j++, ml++) {
+ edge_users[ml->e]++;
}
- else {
- if (!BLI_edgehash_haskey(eh, mf->v3, mf->v1))
- BLI_edgehash_insert(eh, mf->v3, mf->v1, NULL);
- }
}
+ /* create edges from all faces (so as to find edges not in any faces) */
med = medge;
for (i = 0; i < totedge; i++, med++) {
- if (!BLI_edgehash_haskey(eh, med->v1, med->v2)) {
+ if (edge_users[i] == 0) {
EdgeLink *edl = MEM_callocN(sizeof(EdgeLink), "EdgeLink");
- BLI_edgehash_insert(eh_edge, med->v1, med->v2, NULL);
+ // BLI_edgehash_insert(eh_edge, med->v1, med->v2, NULL);
edl->edge = med;
BLI_addtail(&edges, edl); totedges++;
}
}
- BLI_edgehash_free(eh_edge, NULL);
- BLI_edgehash_free(eh, NULL);
+ MEM_freeN(edge_users);
if (edges.first) {
Curve *cu = BKE_curve_add(G.main, ob->id.name + 2, OB_CURVE);
@@ -1741,7 +1731,7 @@
ob->type = OB_CURVE;
/* curve objects can't contain DM in usual cases, we could free memory */
- needsFree = 1;
+ needsFree = true;
}
dm->needsFree = needsFree;
Modified: trunk/blender/source/blender/editors/object/object_add.c
===================================================================
--- trunk/blender/source/blender/editors/object/object_add.c 2013-03-14 16:53:38 UTC (rev 55285)
+++ trunk/blender/source/blender/editors/object/object_add.c 2013-03-14 18:35:21 UTC (rev 55286)
@@ -1487,7 +1487,7 @@
newob = ob;
}
- BKE_mesh_from_curve(scene, newob);
+ BKE_mesh_to_curve(scene, newob);
if (newob->type == OB_CURVE)
BKE_object_free_modifiers(newob); /* after derivedmesh calls! */
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