diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh.c | 107 |
1 files changed, 73 insertions, 34 deletions
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c index 956fe10ee4b..71abab93989 100644 --- a/source/blender/blenkernel/intern/mesh.c +++ b/source/blender/blenkernel/intern/mesh.c @@ -384,6 +384,7 @@ void make_local_tface(Mesh *me) void make_local_mesh(Mesh *me) { + Main *bmain= G.main; Object *ob; Mesh *men; int local=0, lib=0; @@ -404,7 +405,7 @@ void make_local_mesh(Mesh *me) return; } - ob= G.main->object.first; + ob= bmain->object.first; while(ob) { if( me==get_mesh(ob) ) { if(ob->id.lib) lib= 1; @@ -425,7 +426,7 @@ void make_local_mesh(Mesh *me) men= copy_mesh(me); men->id.us= 0; - ob= G.main->object.first; + ob= bmain->object.first; while(ob) { if( me==get_mesh(ob) ) { if(ob->id.lib==0) { @@ -439,33 +440,23 @@ void make_local_mesh(Mesh *me) void boundbox_mesh(Mesh *me, float *loc, float *size) { - MVert *mvert; BoundBox *bb; float min[3], max[3]; float mloc[3], msize[3]; - int a; if(me->bb==0) me->bb= MEM_callocN(sizeof(BoundBox), "boundbox"); bb= me->bb; - - INIT_MINMAX(min, max); if (!loc) loc= mloc; if (!size) size= msize; - mvert= me->mvert; - for(a=0; a<me->totvert; a++, mvert++) { - DO_MINMAX(mvert->co, min, max); - } - - if(!me->totvert) { + INIT_MINMAX(min, max); + if(!minmax_mesh(me, min, max)) { min[0] = min[1] = min[2] = -1.0f; max[0] = max[1] = max[2] = 1.0f; } - loc[0]= (min[0]+max[0])/2.0f; - loc[1]= (min[1]+max[1])/2.0f; - loc[2]= (min[2]+max[2])/2.0f; + mid_v3_v3v3(loc, min, max); size[0]= (max[0]-min[0])/2.0f; size[1]= (max[1]-min[1])/2.0f; @@ -488,9 +479,9 @@ void tex_space_mesh(Mesh *me) else if(size[a]<0.0 && size[a]> -0.00001) size[a]= -0.00001; } - VECCOPY(me->loc, loc); - VECCOPY(me->size, size); - me->rot[0]= me->rot[1]= me->rot[2]= 0.0; + copy_v3_v3(me->loc, loc); + copy_v3_v3(me->size, size); + zero_v3(me->rot); } } @@ -532,9 +523,7 @@ float *get_mesh_orco_verts(Object *ob) totvert = MIN2(tme->totvert, me->totvert); for(a=0; a<totvert; a++, mvert++) { - vcos[a][0]= mvert->co[0]; - vcos[a][1]= mvert->co[1]; - vcos[a][2]= mvert->co[2]; + copy_v3_v3(vcos[a], mvert->co); } return (float*)vcos; @@ -550,9 +539,7 @@ void transform_mesh_orco_verts(Mesh *me, float (*orco)[3], int totvert, int inve if(invert) { for(a=0; a<totvert; a++) { float *co = orco[a]; - co[0] = co[0]*size[0] + loc[0]; - co[1] = co[1]*size[1] + loc[1]; - co[2] = co[2]*size[2] + loc[2]; + madd_v3_v3v3v3(co, loc, co, size); } } else { @@ -816,7 +803,6 @@ void mball_to_mesh(ListBase *lb, Mesh *me) if(dl==0) return; if(dl->type==DL_INDEX4) { - me->flag= ME_NOPUNOFLIP; me->totvert= dl->nr; me->totface= dl->parts; @@ -1059,6 +1045,7 @@ int nurbs_to_mdata_customdb(Object *ob, ListBase *dispbase, MVert **allvert, int /* this may fail replacing ob->data, be sure to check ob->type */ void nurbs_to_mesh(Object *ob) { + Main *bmain= G.main; Object *ob1; DerivedMesh *dm= ob->derivedFinal; Mesh *me; @@ -1101,13 +1088,13 @@ void nurbs_to_mesh(Object *ob) cu->totcol= 0; if(ob->data) { - free_libblock(&G.main->curve, ob->data); + free_libblock(&bmain->curve, ob->data); } ob->data= me; ob->type= OB_MESH; /* other users */ - ob1= G.main->object.first; + ob1= bmain->object.first; while(ob1) { if(ob1->data==cu) { ob1->type= OB_MESH; @@ -1368,14 +1355,10 @@ void mesh_calc_normals(MVert *mverts, int numVerts, MFace *mfaces, int numFaces, MVert *mv= &mverts[i]; float *no= tnorms[i]; - if (normalize_v3(no)==0.0) { - VECCOPY(no, mv->co); - normalize_v3(no); - } + if (normalize_v3(no)==0.0) + normalize_v3_v3(no, mv->co); - mv->no[0]= (short)(no[0]*32767.0); - mv->no[1]= (short)(no[1]*32767.0); - mv->no[2]= (short)(no[2]*32767.0); + normal_float_to_short_v3(mv->no, no); } MEM_freeN(tnorms); @@ -1889,3 +1872,59 @@ void mesh_calc_poly_normal(MPoly *mpoly, MLoop *loopstart, no[2] = 1.0; } } + +/* basic vertex data functions */ +int minmax_mesh(Mesh *me, float min[3], float max[3]) +{ + int i= me->totvert; + MVert *mvert; + for(mvert= me->mvert; i--; mvert++) { + DO_MINMAX(mvert->co, min, max); + } + + return (me->totvert != 0); +} + +int mesh_center_median(Mesh *me, float cent[3]) +{ + int i= me->totvert; + MVert *mvert; + zero_v3(cent); + for(mvert= me->mvert; i--; mvert++) { + add_v3_v3(cent, mvert->co); + } + mul_v3_fl(cent, 1.0f/(float)me->totvert); + + return (me->totvert != 0); +} + +int mesh_center_bounds(Mesh *me, float cent[3]) +{ + float min[3], max[3]; + INIT_MINMAX(min, max); + if(minmax_mesh(me, min, max)) { + mid_v3_v3v3(cent, min, max); + return 1; + } + + return 0; +} + +void mesh_translate(Mesh *me, float offset[3], int do_keys) +{ + int i= me->totvert; + MVert *mvert; + for(mvert= me->mvert; i--; mvert++) { + add_v3_v3(mvert->co, offset); + } + + if (do_keys && me->key) { + KeyBlock *kb; + for (kb=me->key->block.first; kb; kb=kb->next) { + float *fp= kb->data; + for (i= kb->totelem; i--; fp+=3) { + add_v3_v3(fp, offset); + } + } + } +} |