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#include "tmesh.h" |
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< |
#define EDGE_CACHE_SIZ 109 /* length of mesh edge cache */ |
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> |
#define EDGE_CACHE_SIZ 251 /* length of mesh edge cache */ |
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#define curmi (edge_cache.mi) |
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#define curmsh (curmi->msh) |
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int4 t = v2; v2 = v1; v1 = t; |
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reversed = 1; |
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} |
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< |
ecp = &edge_cache.cache[(v2<<11 ^ v1) % EDGE_CACHE_SIZ]; |
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> |
ecp = &edge_cache.cache[((v2<<11 ^ v1) & 0x7fffffff) % EDGE_CACHE_SIZ]; |
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if (ecp->v1i != v1 || ecp->v2i != v2) { |
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MESHVERT tv1, tv2; /* compute signed volume */ |
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double vol; |
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if (!getmeshvert(&tv1, edge_cache.mi->msh, v1, MT_V) || |
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< |
!getmeshvert(&tv2, edge_cache.mi->msh, v2, MT_V)) |
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> |
!getmeshvert(&tv2, edge_cache.mi->msh, v2, MT_V)) |
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objerror(edge_cache.o, INTERNAL, |
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< |
"missing mesh vertex in signed_volume"); |
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> |
"missing mesh vertex in signed_volume"); |
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vol = (tv1.v[0] - r->rorg[0]) * |
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( (tv2.v[1] - r->rorg[1])*r->rdir[2] - |
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(tv2.v[2] - r->rorg[2])*r->rdir[1] ); |
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for (i = oset[0]; i > 0; i--) { |
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if (!getmeshtrivid(tvi, curmsh, oset[i])) |
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objerror(edge_cache.o, INTERNAL, |
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< |
"missing triangle vertices in mesh_hit"); |
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> |
"missing triangle vertices in mesh_hit"); |
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sv1 = signed_volume(r, tvi[0], tvi[1]); |
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sv2 = signed_volume(r, tvi[1], tvi[2]); |
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sv3 = signed_volume(r, tvi[2], tvi[0]); |
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r->rot = d; |
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VSUM(r->rop, r->rorg, r->rdir, d); |
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VCOPY(r->ron, nrm); |
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< |
/* normalize(r->ron) called in o_mesh() & rod set */ |
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> |
/* normalize(r->ron) called & r->rod set in o_mesh() */ |
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} |
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} |
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if (normalize(r->pert) != 0.0) |
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for (i = 0; i < 3; i++) |
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r->pert[i] -= r->ron[i]; |
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< |
} |
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> |
} else |
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> |
r->pert[0] = r->pert[1] = r->pert[2] = .0; |
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> |
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if (flags & MT_UV) /* interpolate uv coordinates */ |
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for (i = 0; i < 2; i++) |
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r->uv[i] = wt[0]*tv[0].uv[i] + |
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wt[1]*tv[1].uv[i] + |
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wt[2]*tv[2].uv[i]; |
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else |
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r->uv[0] = r->uv[1] = .0; |
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/* return hit */ |
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return(1); |