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fix misisng edge hash free when CDDM_tessfaces_to_faces ran on an empty mesh

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Campbell Barton
2011-11-23 17:48:55 +00:00
parent 74c6c91ba6
commit d8f895c3b3
1 changed files with 39 additions and 37 deletions
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76
source/blender/blenkernel/intern/cdderivedmesh.c
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@@ -2646,10 +2646,8 @@ void CDDM_tessfaces_to_faces(DerivedMesh *dm)
CDDerivedMesh *cddm = (CDDerivedMesh*)dm;
MFace *mf;
MEdge *me;
MLoop *ml;
MPoly *mp;
EdgeHash *eh = BLI_edgehash_new();
int i, l, totloop, *polyindex;
int i, totloop;
/*ensure we have all the edges we need*/
CDDM_calc_edges(dm);
@@ -2672,47 +2670,51 @@ void CDDM_tessfaces_to_faces(DerivedMesh *dm)
cddm->dm.numLoopData = totloop;
cddm->dm.numPolyData = cddm->dm.numFaceData;
if (!totloop) return;
if (totloop) {
MLoop *ml;
MPoly *mp;
int l, *polyindex;
cddm->mloop = MEM_callocN(sizeof(MLoop)*totloop, "cddm->mloop in CDDM_tessfaces_to_faces");
cddm->mpoly = MEM_callocN(sizeof(MPoly)*cddm->dm.numFaceData, "cddm->mpoly in CDDM_tessfaces_to_faces");
CustomData_add_layer(&cddm->dm.loopData, CD_MLOOP, CD_ASSIGN, cddm->mloop, totloop);
CustomData_add_layer(&cddm->dm.polyData, CD_MPOLY, CD_ASSIGN, cddm->mpoly, cddm->dm.numPolyData);
CustomData_merge(&cddm->dm.faceData, &cddm->dm.polyData,
CD_MASK_ORIGINDEX, CD_DUPLICATE, cddm->dm.numFaceData);
cddm->mloop = MEM_callocN(sizeof(MLoop)*totloop, "cddm->mloop in CDDM_tessfaces_to_faces");
cddm->mpoly = MEM_callocN(sizeof(MPoly)*cddm->dm.numFaceData, "cddm->mpoly in CDDM_tessfaces_to_faces");
polyindex = CustomData_get_layer(&cddm->dm.faceData, CD_POLYINDEX);
CustomData_add_layer(&cddm->dm.loopData, CD_MLOOP, CD_ASSIGN, cddm->mloop, totloop);
CustomData_add_layer(&cddm->dm.polyData, CD_MPOLY, CD_ASSIGN, cddm->mpoly, cddm->dm.numPolyData);
CustomData_merge(&cddm->dm.faceData, &cddm->dm.polyData,
CD_MASK_ORIGINDEX, CD_DUPLICATE, cddm->dm.numFaceData);
mf = cddm->mface;
mp = cddm->mpoly;
ml = cddm->mloop;
l = 0;
for (i=0; i<cddm->dm.numFaceData; i++, mf++, mp++) {
mp->flag = mf->flag;
mp->loopstart = l;
mp->mat_nr = mf->mat_nr;
mp->totloop = mf->v4 ? 4 : 3;
ml->v = mf->v1;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v1, mf->v2));
ml++, l++;
polyindex = CustomData_get_layer(&cddm->dm.faceData, CD_POLYINDEX);
ml->v = mf->v2;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v2, mf->v3));
ml++, l++;
mf = cddm->mface;
mp = cddm->mpoly;
ml = cddm->mloop;
l = 0;
for (i=0; i<cddm->dm.numFaceData; i++, mf++, mp++) {
mp->flag = mf->flag;
mp->loopstart = l;
mp->mat_nr = mf->mat_nr;
mp->totloop = mf->v4 ? 4 : 3;
ml->v = mf->v3;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v3, mf->v4?mf->v4:mf->v1));
ml++, l++;
if (mf->v4) {
ml->v = mf->v4;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v4, mf->v1));
ml->v = mf->v1;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v1, mf->v2));
ml++, l++;
}
*polyindex = i;
ml->v = mf->v2;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v2, mf->v3));
ml++, l++;
ml->v = mf->v3;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v3, mf->v4?mf->v4:mf->v1));
ml++, l++;
if (mf->v4) {
ml->v = mf->v4;
ml->e = GET_INT_FROM_POINTER(BLI_edgehash_lookup(eh, mf->v4, mf->v1));
ml++, l++;
}
*polyindex = i;
}
}
BLI_edgehash_free(eh, NULL);