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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Load Radiance object(s) and create OpenGL display lists |
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*/ |
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#include "copyright.h" |
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#include <ctype.h> |
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#include "rtprocess.h" |
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#include "radogl.h" |
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#ifndef NLIST2ALLOC |
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#define NLIST2ALLOC 16 /* batch of display lists to get */ |
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#endif |
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extern int o_sphere(), o_face(), o_cone(), o_ring(), |
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o_source(), o_instance(); |
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extern int m_normal(), m_glass(), m_aniso(), m_brdf(), m_brdf2(), |
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m_light(), m_prism(), m_mirror(); |
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FUN ofun[NUMOTYPE] = INIT_OTYPE; |
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static int nextlist, nlistleft = 0; |
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static |
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static void |
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initotypes() /* initialize ofun array */ |
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{ |
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if (ofun[OBJ_SPHERE].funp == o_sphere) |
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ofun[OBJ_RING].funp = o_ring; |
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ofun[OBJ_SOURCE].funp = o_source; |
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ofun[OBJ_INSTANCE].funp = o_instance; |
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ofun[OBJ_MESH].funp = o_unsupported; |
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/* assign material types */ |
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ofun[MAT_TRANS].funp = |
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ofun[MAT_PLASTIC].funp = |
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} |
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void |
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rgl_checkerr(where) /* check for GL or GLU error */ |
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char *where; |
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{ |
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rgl_octlist(fname, cent, radp, nl) /* load scen into display list */ |
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char *fname; |
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FVECT cent; /* returned octree center (optional) */ |
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FLOAT *radp; /* returned octree size (optional) */ |
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RREAL *radp; /* returned octree size (optional) */ |
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int *nl; /* returned number of lists (optional) */ |
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{ |
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double r; |
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} |
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void |
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rgl_load(inpspec) /* convert scene description into OGL calls */ |
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char *inpspec; |
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{ |
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FILE *popen(); |
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char *fgetline(); |
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FILE *infp; |
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char buf[1024]; |
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} |
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void |
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rgl_object(name, fp) /* read the next object */ |
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char *name; |
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FILE *fp; |
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strcpy(sbuf, "EOF"); |
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fgetword(sbuf, MAXSTR, fp); |
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ob.omod = 0; /* use ob.os for pointer to material */ |
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if (!strcmp(sbuf, VOIDID)) |
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if (!strcmp(sbuf, VOIDID) || !strcmp(sbuf, ALIASMOD)) |
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ob.os = NULL; |
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else |
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ob.os = (char *)getmatp(sbuf); |
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/* get type */ |
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strcpy(sbuf, "EOF"); |
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fgetword(sbuf, MAXSTR, fp); |
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if (!strcmp(sbuf, ALIASID)) |
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ob.otype = -1; |
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else if ((ob.otype = otype(sbuf)) < 0) { |
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if ((ob.otype = otype(sbuf)) < 0) { |
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sprintf(errmsg, "(%s): unknown type \"%s\"", name, sbuf); |
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error(USER, errmsg); |
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} |
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fgetword(sbuf, MAXSTR, fp); |
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ob.oname = sbuf; |
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/* get arguments */ |
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if (ob.otype == -1) { |
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if (ob.otype == MOD_ALIAS) { |
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char sbuf2[MAXSTR]; /* get alias */ |
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strcpy(sbuf2, "EOF"); |
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fgetword(sbuf2, MAXSTR, fp); |
