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Cleanup: remove legacy mesh save support

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This was used for saving files for Blender 2.6x.
This commit is contained in:
Campbell Barton
2018-07-12 21:32:18 +02:00
parent 753a600e35
commit e77d2b4e3f
6 changed files with 6 additions and 236 deletions
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127
source/blender/blenkernel/intern/mesh_evaluate.c
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@@ -3160,130 +3160,9 @@ void BKE_mesh_recalc_looptri(
#undef ML_TO_MLT
}
/* -------------------------------------------------------------------- */
#ifdef USE_BMESH_SAVE_AS_COMPAT
/**
* This function recreates a tessellation.
* returns number of tessellation faces.
*
* for forwards compat only quad->tri polys to mface, skip ngons.
*/
int BKE_mesh_mpoly_to_mface(struct CustomData *fdata, struct CustomData *ldata,
struct CustomData *pdata, int totface, int UNUSED(totloop), int totpoly)
{
MLoop *mloop;
unsigned int lindex[4];
int i;
int k;
MPoly *mp, *mpoly;
MFace *mface, *mf;
const int numTex = CustomData_number_of_layers(pdata, CD_MTEXPOLY);
const int numCol = CustomData_number_of_layers(ldata, CD_MLOOPCOL);
const bool hasPCol = CustomData_has_layer(ldata, CD_PREVIEW_MLOOPCOL);
const bool hasOrigSpace = CustomData_has_layer(ldata, CD_ORIGSPACE_MLOOP);
const bool hasLNor = CustomData_has_layer(ldata, CD_NORMAL);
/* over-alloc, ngons will be skipped */
mface = MEM_malloc_arrayN((size_t)totpoly, sizeof(*mface), __func__);
mpoly = CustomData_get_layer(pdata, CD_MPOLY);
mloop = CustomData_get_layer(ldata, CD_MLOOP);
mp = mpoly;
k = 0;
for (i = 0; i < totpoly; i++, mp++) {
if (ELEM(mp->totloop, 3, 4)) {
const unsigned int mp_loopstart = (unsigned int)mp->loopstart;
mf = &mface[k];
mf->mat_nr = mp->mat_nr;
mf->flag = mp->flag;
mf->v1 = mp_loopstart + 0;
mf->v2 = mp_loopstart + 1;
mf->v3 = mp_loopstart + 2;
mf->v4 = (mp->totloop == 4) ? (mp_loopstart + 3) : 0;
/* abuse edcode for temp storage and clear next loop */
mf->edcode = (char)mp->totloop; /* only ever 3 or 4 */
k++;
}
}
CustomData_free(fdata, totface);
totface = k;
CustomData_add_layer(fdata, CD_MFACE, CD_ASSIGN, mface, totface);
CustomData_from_bmeshpoly(fdata, pdata, ldata, totface);
mp = mpoly;
k = 0;
for (i = 0; i < totpoly; i++, mp++) {
if (ELEM(mp->totloop, 3, 4)) {
mf = &mface[k];
if (mf->edcode == 3) {
/* sort loop indices to ensure winding is correct */
/* NO SORT - looks like we can skip this */
lindex[0] = mf->v1;
lindex[1] = mf->v2;
lindex[2] = mf->v3;
lindex[3] = 0; /* unused */
/* transform loop indices to vert indices */
mf->v1 = mloop[mf->v1].v;
mf->v2 = mloop[mf->v2].v;
mf->v3 = mloop[mf->v3].v;
BKE_mesh_loops_to_mface_corners(fdata, ldata, pdata,
lindex, k, i, 3,
numTex, numCol, hasPCol, hasOrigSpace, hasLNor);
test_index_face(mf, fdata, k, 3);
}
else {
/* sort loop indices to ensure winding is correct */
/* NO SORT - looks like we can skip this */
lindex[0] = mf->v1;
lindex[1] = mf->v2;
lindex[2] = mf->v3;
lindex[3] = mf->v4;
/* transform loop indices to vert indices */
mf->v1 = mloop[mf->v1].v;
mf->v2 = mloop[mf->v2].v;
mf->v3 = mloop[mf->v3].v;
mf->v4 = mloop[mf->v4].v;
BKE_mesh_loops_to_mface_corners(fdata, ldata, pdata,
lindex, k, i, 4,
numTex, numCol, hasPCol, hasOrigSpace, hasLNor);
test_index_face(mf, fdata, k, 4);
}
mf->edcode = 0;
k++;
}
}
return k;
}
#endif /* USE_BMESH_SAVE_AS_COMPAT */
static void bm_corners_to_loops_ex(ID *id, CustomData *fdata, CustomData *ldata, CustomData *pdata,
MFace *mface, int totloop, int findex, int loopstart, int numTex, int numCol)
static void bm_corners_to_loops_ex(
ID *id, CustomData *fdata, CustomData *ldata, CustomData *pdata,
MFace *mface, int totloop, int findex, int loopstart, int numTex, int numCol)
{
MTFace *texface;
MTexPoly *texpoly;