diff options
Diffstat (limited to 'source/blender/blenkernel/intern/curve.c')
| -rw-r--r-- | source/blender/blenkernel/intern/curve.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/source/blender/blenkernel/intern/curve.c b/source/blender/blenkernel/intern/curve.c index 457bfe20915..06c1dd4ffe6 100644 --- a/source/blender/blenkernel/intern/curve.c +++ b/source/blender/blenkernel/intern/curve.c @@ -658,23 +658,23 @@ void makeNurbfaces(Nurb *nu, float *coord_array, int rowstride) float u, v, ustart, uend, ustep, vstart, vend, vstep, sumdiv; int i, j, iofs, jofs, cycl, len, resolu, resolv; int istart, iend, jsta, jen, *jstart, *jend, ratcomp; - + + int totu = nu->pntsu*nu->resolu, totv = nu->pntsv*nu->resolv; + if(nu->knotsu==NULL || nu->knotsv==NULL) return; if(nu->orderu>nu->pntsu) return; if(nu->orderv>nu->pntsv) return; if(coord_array==NULL) return; - + /* allocate and initialize */ - len= nu->pntsu*nu->pntsv; + len = totu * totv; if(len==0) return; sum= (float *)MEM_callocN(sizeof(float)*len, "makeNurbfaces1"); - - resolu= nu->resolu; - resolv= nu->resolv; - len= resolu*resolv; + + len= totu*totv; if(len==0) { MEM_freeN(sum); return; @@ -690,12 +690,13 @@ void makeNurbfaces(Nurb *nu, float *coord_array, int rowstride) } bp++; } - + fp= nu->knotsu; ustart= fp[nu->orderu-1]; if(nu->flagu & CU_CYCLIC) uend= fp[nu->pntsu+nu->orderu-1]; else uend= fp[nu->pntsu]; - ustep= (uend-ustart)/(resolu-1+(nu->flagu & CU_CYCLIC)); + ustep= (uend-ustart)/((nu->flagu & CU_CYCLIC) ? totu : totu - 1); + basisu= (float *)MEM_mallocN(sizeof(float)*KNOTSU(nu), "makeNurbfaces3"); fp= nu->knotsv; @@ -703,17 +704,19 @@ void makeNurbfaces(Nurb *nu, float *coord_array, int rowstride) if(nu->flagv & CU_CYCLIC) vend= fp[nu->pntsv+nu->orderv-1]; else vend= fp[nu->pntsv]; - vstep= (vend-vstart)/(resolv-1+(nu->flagv & CU_CYCLIC)); + vstep= (vend-vstart)/((nu->flagv & CU_CYCLIC) ? totv : totv - 1); + len= KNOTSV(nu); - basisv= (float *)MEM_mallocN(sizeof(float)*len*resolv, "makeNurbfaces3"); - jstart= (int *)MEM_mallocN(sizeof(float)*resolv, "makeNurbfaces4"); - jend= (int *)MEM_mallocN(sizeof(float)*resolv, "makeNurbfaces5"); + basisv= (float *)MEM_mallocN(sizeof(float)*len*totv, "makeNurbfaces3"); + jstart= (int *)MEM_mallocN(sizeof(float)*totv, "makeNurbfaces4"); + jend= (int *)MEM_mallocN(sizeof(float)*totv, "makeNurbfaces5"); /* precalculation of basisv and jstart,jend */ if(nu->flagv & CU_CYCLIC) cycl= nu->orderv-1; else cycl= 0; v= vstart; basis= basisv; + resolv= totv; while(resolv--) { basisNurb(v, nu->orderv, (short)(nu->pntsv+cycl), nu->knotsv, basis, jstart+resolv, jend+resolv); basis+= KNOTSV(nu); @@ -724,12 +727,13 @@ void makeNurbfaces(Nurb *nu, float *coord_array, int rowstride) else cycl= 0; in= coord_array; u= ustart; + resolu= totu; while(resolu--) { basisNurb(u, nu->orderu, (short)(nu->pntsu+cycl), nu->knotsu, basisu, &istart, &iend); basis= basisv; - resolv= nu->resolv; + resolv= totv; while(resolv--) { jsta= jstart[resolv]; @@ -798,7 +802,7 @@ void makeNurbfaces(Nurb *nu, float *coord_array, int rowstride) basis+= KNOTSV(nu); } u+= ustep; - if (rowstride!=0) in = (float*) (((unsigned char*) in) + (rowstride - 3*nu->resolv*sizeof(*in))); + if (rowstride!=0) in = (float*) (((unsigned char*) in) + (rowstride - 3*totv*sizeof(*in))); } /* free */ @@ -954,8 +958,8 @@ float *make_orco_surf(Object *ob) See also convertblender.c: init_render_surf() */ - sizeu = nu->resolu; - sizev = nu->resolv; + sizeu = nu->pntsu*nu->resolu; + sizev = nu->pntsv*nu->resolv; if (nu->flagu & CU_CYCLIC) sizeu++; if (nu->flagv & CU_CYCLIC) sizev++; if(nu->pntsv>1) tot+= sizeu * sizev; @@ -968,8 +972,8 @@ float *make_orco_surf(Object *ob) nu= cu->nurb.first; while(nu) { if(nu->pntsv>1) { - sizeu = nu->resolu; - sizev = nu->resolv; + sizeu = nu->pntsu*nu->resolu; + sizev = nu->pntsv*nu->resolv; if (nu->flagu & CU_CYCLIC) sizeu++; if (nu->flagv & CU_CYCLIC) sizev++; @@ -990,7 +994,7 @@ float *make_orco_surf(Object *ob) } } else { - float *_tdata= MEM_callocN(nu->resolu*nu->resolv*3*sizeof(float), "temp data"); + float *_tdata= MEM_callocN((nu->pntsu*nu->resolu) * (nu->pntsv*nu->resolv) *3*sizeof(float), "temp data"); float *tdata= _tdata; makeNurbfaces(nu, tdata, 0); @@ -1005,7 +1009,7 @@ float *make_orco_surf(Object *ob) if (a==sizev-1 && (nu->flagv & CU_CYCLIC)) use_a= 0; - tdata = _tdata + 3 * (use_b * nu->resolv + use_a); + tdata = _tdata + 3 * (use_b * (nu->pntsv*nu->resolv) + use_a); fp[0]= (tdata[0]-cu->loc[0])/cu->size[0]; fp[1]= (tdata[1]-cu->loc[1])/cu->size[1]; |