diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2004-01-07 08:50:17 +0300 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2004-01-07 08:50:17 +0300 |
| commit | 8e9e9e6e357539caee8bbdc337b3369ffb574c14 (patch) | |
| tree | 170ccb1b0ab1953d9e612280902d90671c95e74f /source/blender/blenkernel/intern/displist.c | |
| parent | e2a2ceb6e539f46cd8a0e742c1e52a9dc0ef16d6 (diff) | |
- migrated a subsurf routine to displist.c: displistmesh_calc_vert_normals()
- removed some vertice tweaking for subsurf->displist conversion
- replaced stupid way of doing edcode calculation for ME_OPT_EDGES flag
Diffstat (limited to 'source/blender/blenkernel/intern/displist.c')
| -rw-r--r-- | source/blender/blenkernel/intern/displist.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/displist.c b/source/blender/blenkernel/intern/displist.c index a825b5adcb9..ecb12386da4 100644 --- a/source/blender/blenkernel/intern/displist.c +++ b/source/blender/blenkernel/intern/displist.c @@ -125,6 +125,45 @@ static DispListMesh *displistmesh_copy(DispListMesh *odlm) { return ndlm; } +void displistmesh_calc_vert_normals(DispListMesh *dlm) { + MVert *mverts= dlm->mvert; + int nmverts= dlm->totvert; + MFaceInt *mfaces= dlm->mface; + int nmfaces= dlm->totface; + float (*tnorms)[3]= MEM_callocN(nmverts*sizeof(*tnorms), "tnorms"); + int i; + + for (i=0; i<nmfaces; i++) { + MFaceInt *mf= &mfaces[i]; + float f_no[3]; + + if (!mf->v3) + continue; + + if (mf->v4) + CalcNormFloat4(mverts[mf->v1].co, mverts[mf->v2].co, mverts[mf->v3].co, mverts[mf->v4].co, f_no); + else + CalcNormFloat(mverts[mf->v1].co, mverts[mf->v2].co, mverts[mf->v3].co, f_no); + + VecAddf(tnorms[mf->v1], tnorms[mf->v1], f_no); + VecAddf(tnorms[mf->v2], tnorms[mf->v2], f_no); + VecAddf(tnorms[mf->v3], tnorms[mf->v3], f_no); + if (mf->v4) + VecAddf(tnorms[mf->v4], tnorms[mf->v4], f_no); + } + for (i=0; i<nmverts; i++) { + MVert *mv= &mverts[i]; + float *no= tnorms[i]; + + Normalise(no); + mv->no[0]= (short)(no[0]*32767.0); + mv->no[1]= (short)(no[1]*32767.0); + mv->no[2]= (short)(no[2]*32767.0); + } + + MEM_freeN(tnorms); +} + void free_disp_elem(DispList *dl) { if(dl) { |