diff options
Diffstat (limited to 'source/blender/render/intern/source/convertblender.c')
| -rw-r--r-- | source/blender/render/intern/source/convertblender.c | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/source/blender/render/intern/source/convertblender.c b/source/blender/render/intern/source/convertblender.c index f87478bb663..bc84661698f 100644 --- a/source/blender/render/intern/source/convertblender.c +++ b/source/blender/render/intern/source/convertblender.c @@ -760,7 +760,7 @@ static VertRen *as_findvertex(VlakRen *vlr, VertRen *UNUSED(ver), ASvert *asv, f /* note; autosmooth happens in object space still, after applying autosmooth we rotate */ /* note2; actually, when original mesh and displist are equal sized, face normals are from original mesh */ -static void autosmooth(Render *UNUSED(re), ObjectRen *obr, float mat[][4], int degr) +static void autosmooth(Render *UNUSED(re), ObjectRen *obr, float mat[4][4], int degr) { ASvert *asv, *asverts; ASface *asf; @@ -2187,7 +2187,7 @@ static short test_for_displace(Render *re, Object *ob) return 0; } -static void displace_render_vert(Render *re, ObjectRen *obr, ShadeInput *shi, VertRen *vr, int vindex, float *scale, float mat[][4], float imat[][3]) +static void displace_render_vert(Render *re, ObjectRen *obr, ShadeInput *shi, VertRen *vr, int vindex, float *scale, float mat[4][4], float imat[3][3]) { MTFace *tface; short texco= shi->mat->texco; @@ -2286,7 +2286,7 @@ static void displace_render_vert(Render *re, ObjectRen *obr, ShadeInput *shi, Ve return; } -static void displace_render_face(Render *re, ObjectRen *obr, VlakRen *vlr, float *scale, float mat[][4], float imat[][3]) +static void displace_render_face(Render *re, ObjectRen *obr, VlakRen *vlr, float *scale, float mat[4][4], float imat[3][3]) { ShadeInput shi; @@ -2341,7 +2341,7 @@ static void displace_render_face(Render *re, ObjectRen *obr, VlakRen *vlr, float } } -static void do_displacement(Render *re, ObjectRen *obr, float mat[][4], float imat[][3]) +static void do_displacement(Render *re, ObjectRen *obr, float mat[4][4], float imat[3][3]) { VertRen *vr; VlakRen *vlr; @@ -2821,7 +2821,7 @@ static void init_render_curve(Render *re, ObjectRen *obr, int timeoffset) ListBase disp={NULL, NULL}; Material **matar; float *data, *fp, *orco=NULL; - float n[3], mat[4][4]; + float n[3], mat[4][4], nmat[4][4]; int nr, startvert, a, b; int need_orco=0, totmat; @@ -2836,6 +2836,11 @@ static void init_render_curve(Render *re, ObjectRen *obr, int timeoffset) mult_m4_m4m4(mat, re->viewmat, ob->obmat); invert_m4_m4(ob->imat, mat); + /* local object -> world space transform for normals */ + copy_m4_m4(nmat, mat); + transpose_m4(nmat); + invert_m4(nmat); + /* material array */ totmat= ob->totcol+1; matar= MEM_callocN(sizeof(Material*)*totmat, "init_render_surf matar"); @@ -2892,13 +2897,20 @@ static void init_render_curve(Render *re, ObjectRen *obr, int timeoffset) zero_v3(n); index= dl->index; for (a=0; a<dl->parts; a++, index+=3) { + int v1 = index[0], v2 = index[1], v3 = index[2]; + float *co1 = &dl->verts[v1 * 3], + *co2 = &dl->verts[v2 * 3], + *co3 = &dl->verts[v3 * 3]; + vlr= RE_findOrAddVlak(obr, obr->totvlak++); - vlr->v1= RE_findOrAddVert(obr, startvert+index[0]); - vlr->v2= RE_findOrAddVert(obr, startvert+index[1]); - vlr->v3= RE_findOrAddVert(obr, startvert+index[2]); + vlr->v1= RE_findOrAddVert(obr, startvert + v1); + vlr->v2= RE_findOrAddVert(obr, startvert + v2); + vlr->v3= RE_findOrAddVert(obr, startvert + v3); vlr->v4= NULL; - if (area_tri_v3(vlr->v3->co, vlr->v2->co, vlr->v1->co)>FLT_EPSILON10) { - normal_tri_v3(tmp, vlr->v3->co, vlr->v2->co, vlr->v1->co); + + /* to prevent float accuracy issues, we calculate normal in local object space (not world) */ + if (area_tri_v3(co3, co2, co1)>FLT_EPSILON10) { + normal_tri_v3(tmp, co3, co2, co1); add_v3_v3(n, tmp); } @@ -2907,6 +2919,8 @@ static void init_render_curve(Render *re, ObjectRen *obr, int timeoffset) vlr->ec= 0; } + /* transform normal to world space */ + mul_m4_v3(nmat, n); normalize_v3(n); /* vertex normals */ @@ -3159,7 +3173,12 @@ static void init_camera_inside_volumes(Render *re) { ObjectInstanceRen *obi; VolumeOb *vo; - float co[3] = {0.f, 0.f, 0.f}; + /* coordinates are all in camera space, so camera coordinate is zero. we also + * add an offset for the clip start, however note that with clip start it's + * actually impossible to do a single 'inside' test, since there will not be + * a single point where all camera rays start from, though for small clip start + * they will be close together. */ + float co[3] = {0.f, 0.f, -re->clipsta}; for (vo= re->volumes.first; vo; vo= vo->next) { for (obi= re->instancetable.first; obi; obi= obi->next) { @@ -3563,7 +3582,7 @@ static void init_render_mesh(Render *re, ObjectRen *obr, int timeoffset) /* Lamps and Shadowbuffers */ /* ------------------------------------------------------------------------- */ -static void initshadowbuf(Render *re, LampRen *lar, float mat[][4]) +static void initshadowbuf(Render *re, LampRen *lar, float mat[4][4]) { struct ShadBuf *shb; float viewinv[4][4]; @@ -5196,7 +5215,7 @@ void RE_DataBase_ApplyWindow(Render *re) project_renderdata(re, projectverto, 0, 0, 0); } -void RE_DataBase_GetView(Render *re, float mat[][4]) +void RE_DataBase_GetView(Render *re, float mat[4][4]) { copy_m4_m4(mat, re->viewmat); } |