forked from bartvdbraak/blender
Correction for previous commit to make normals direction always inside
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8486a2187f
commit
d78accb585
@ -2429,7 +2429,7 @@ static void init_render_mball(Render *re, ObjectRen *obr)
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VlakRen *vlr, *vlr1;
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Material *ma;
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float *data, *nors, *orco=NULL, mat[4][4], imat[3][3], xn, yn, zn;
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int a, need_orco, vlakindex, *index, is_negative;
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int a, need_orco, vlakindex, *index, negative_scale;
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ListBase dispbase= {NULL, NULL};
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if (ob!=find_basis_mball(re->scene, ob))
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@ -2438,6 +2438,7 @@ static void init_render_mball(Render *re, ObjectRen *obr)
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mult_m4_m4m4(mat, re->viewmat, ob->obmat);
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invert_m4_m4(ob->imat, mat);
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copy_m3_m4(imat, ob->imat);
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negative_scale = is_negative_m4(mat);
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ma= give_render_material(re, ob, 1);
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@ -2462,8 +2463,6 @@ static void init_render_mball(Render *re, ObjectRen *obr)
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}
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}
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is_negative = is_negative_m4(re->viewmat);
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for(a=0; a<dl->nr; a++, data+=3, nors+=3) {
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ver= RE_findOrAddVert(obr, obr->totvert++);
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@ -2480,8 +2479,7 @@ static void init_render_mball(Render *re, ObjectRen *obr)
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ver->n[1]= imat[1][0]*xn+imat[1][1]*yn+imat[1][2]*zn;
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ver->n[2]= imat[2][0]*xn+imat[2][1]*yn+imat[2][2]*zn;
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normalize_v3(ver->n);
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if(is_negative)
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negate_v3(ver->n);
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//if(ob->transflag & OB_NEG_SCALE) negate_v3(ver->n);
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if(need_orco) {
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ver->orco= orco;
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@ -2498,7 +2496,7 @@ static void init_render_mball(Render *re, ObjectRen *obr)
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vlr->v3= RE_findOrAddVert(obr, index[2]);
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vlr->v4= 0;
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if(ob->transflag & OB_NEG_SCALE)
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if(negative_scale)
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normal_tri_v3( vlr->n,vlr->v1->co, vlr->v2->co, vlr->v3->co);
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else
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normal_tri_v3( vlr->n,vlr->v3->co, vlr->v2->co, vlr->v1->co);
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@ -2515,7 +2513,7 @@ static void init_render_mball(Render *re, ObjectRen *obr)
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vlr1->index= vlakindex;
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vlr1->v2= vlr1->v3;
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vlr1->v3= RE_findOrAddVert(obr, index[3]);
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if(ob->transflag & OB_NEG_SCALE)
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if(negative_scale)
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normal_tri_v3( vlr1->n,vlr1->v1->co, vlr1->v2->co, vlr1->v3->co);
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else
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normal_tri_v3( vlr1->n,vlr1->v3->co, vlr1->v2->co, vlr1->v1->co);
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