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/* Copyright (c) 1994 Regents of the University of California */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Convert a Wavefront .obj file to Radiance format. |
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* |
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if (!cvtndx(v1i, v1) || !cvtndx(v2i, v2) || !cvtndx(v3i, v3)) |
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return(0); |
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/* compute barycentric coordinates */ |
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< |
texOK = !flatten && (v1i[2]>=0 && v2i[2]>=0 && v3i[2]>=0); |
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> |
if (!flatten && v1i[2]>=0 && v2i[2]>=0 && v3i[2]>=0) |
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> |
switch (flat_tri(vlist[v1i[0]], vlist[v2i[0]], vlist[v3i[0]], |
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vnlist[v1i[2]], vnlist[v2i[2]], vnlist[v3i[2]])) { |
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case DEGEN: /* zero area */ |
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return(-1); |
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case RVFLAT: /* reversed normals, but flat */ |
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case ISFLAT: /* smoothing unnecessary */ |
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texOK = 0; |
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break; |
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case RVBENT: /* reversed normals with smoothing */ |
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case ISBENT: /* proper smoothing */ |
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texOK = 1; |
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break; |
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} |
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else |
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texOK = 0; |
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#ifdef TEXMAPS |
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patOK = mapname[0] && (v1i[1]>=0 && v2i[1]>=0 && v3i[1]>=0); |
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#else |
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freeverts() /* free all vertices */ |
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{ |
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if (nvs) { |
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free((char *)vlist); |
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free((void *)vlist); |
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nvs = 0; |
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} |
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if (nvts) { |
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free((char *)vtlist); |
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free((void *)vtlist); |
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nvts = 0; |
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} |
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if (nvns) { |
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free((char *)vnlist); |
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free((void *)vnlist); |
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nvns = 0; |
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} |
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} |
