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Support mdisps for Mesh.flip_normals()

This commit is contained in:
Campbell Barton 2016-03-14 15:32:48 +11:00
parent b9ae96dc12
commit a686aa3477
2 changed files with 20 additions and 2 deletions
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3
source/blender/blenkernel/BKE_mesh.h
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@ -320,6 +320,9 @@ void BKE_mesh_convert_mfaces_to_mpolys_ex(
void BKE_mesh_mdisp_flip(struct MDisps *md, const bool use_loop_mdisp_flip);
void BKE_mesh_polygon_flip_ex(
struct MPoly *mpoly, struct MLoop *mloop, struct CustomData *ldata,
struct MDisps *mdisp, const bool use_loop_mdisp_flip);
void BKE_mesh_polygon_flip(struct MPoly *mpoly, struct MLoop *mloop, struct CustomData *ldata);
void BKE_mesh_polygons_flip(struct MPoly *mpoly, struct MLoop *mloop, struct CustomData *ldata, int totpoly);

19
source/blender/blenkernel/intern/mesh_evaluate.c
View File

@ -3248,12 +3248,20 @@ void BKE_mesh_mdisp_flip(MDisps *md, const bool use_loop_mdisp_flip)
* \param mloop the full loops array.
* \param ldata the loops custom data.
*/
void BKE_mesh_polygon_flip(MPoly *mpoly, MLoop *mloop, CustomData *ldata)
void BKE_mesh_polygon_flip_ex(
MPoly *mpoly, MLoop *mloop, CustomData *ldata,
MDisps *mdisp, const bool use_loop_mdisp_flip)
{
int loopstart = mpoly->loopstart;
int loopend = loopstart + mpoly->totloop - 1;
const bool loops_in_ldata = (CustomData_get_layer(ldata, CD_MLOOP) == mloop);
if (mdisp) {
for (int i = mpoly->loopstart; i <= loopend; i++) {
BKE_mesh_mdisp_flip(&mdisp[i], use_loop_mdisp_flip);
}
}
/* Note that we keep same start vertex for flipped face. */
/* We also have to update loops edge
@ -3276,6 +3284,12 @@ void BKE_mesh_polygon_flip(MPoly *mpoly, MLoop *mloop, CustomData *ldata)
}
}
void BKE_mesh_polygon_flip(MPoly *mpoly, MLoop *mloop, CustomData *ldata)
{
MDisps *mdisp = CustomData_get_layer(ldata, CD_MDISPS);
BKE_mesh_polygon_flip_ex(mpoly, mloop, ldata, mdisp, true);
}
/**
* Flip (invert winding of) all polygons (used to inverse their normals).
*
@ -3284,11 +3298,12 @@ void BKE_mesh_polygon_flip(MPoly *mpoly, MLoop *mloop, CustomData *ldata)
void BKE_mesh_polygons_flip(
MPoly *mpoly, MLoop *mloop, CustomData *ldata, int totpoly)
{
MDisps *mdisp = CustomData_get_layer(ldata, CD_MDISPS);
MPoly *mp;
int i;
for (mp = mpoly, i = 0; i < totpoly; mp++, i++) {
BKE_mesh_polygon_flip(mp, mloop, ldata);
BKE_mesh_polygon_flip_ex(mp, mloop, ldata, mdisp, true);
}
}