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/* Copyright (c) 1992 Regents of the University of California */ |
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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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int outform = 'a'; /* output format */ |
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char *outvals = "v"; /* output specification */ |
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char *tralist[128]; /* list of modifers to trace (or no) */ |
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int traincl = -1; /* include == 1, exclude == 0 */ |
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#define MAXTSET 511 /* maximum number in trace set */ |
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OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
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|
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int hresolu = 0; /* horizontal (scan) size */ |
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int vresolu = 0; /* vertical resolution */ |
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oputp(), oputn(), oputN(), oputs(), oputw(), oputm(); |
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static int ourtrace(), tabin(); |
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static int (*ray_out[10])(), (*every_out[10])(); |
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static int castonly; |
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static int (*ray_out[16])(), (*every_out[16])(); |
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static int castonly = 0; |
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static int puta(), putf(), putd(); |
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if (imm_irrad) |
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irrad(orig, direc); |
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else |
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traceray(orig, direc); |
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rad(orig, direc); |
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/* flush if time */ |
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if (--nextflush == 0) { |
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fflush(stdout); |
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} |
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traceray(org, dir) /* compute and print ray value(s) */ |
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rad(org, dir) /* compute and print ray value(s) */ |
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FVECT org, dir; |
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{ |
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register int (**tp)(); |
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VCOPY(thisray.rorg, org); |
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VCOPY(thisray.rdir, dir); |
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thisray.rmax = 0.0; |
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rayorigin(&thisray, NULL, PRIMARY, 1.0); |
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if (castonly) |
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localhit(&thisray, &thescene) || sourcehit(&thisray); |
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else |
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rayvalue(&thisray); |
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if (ray_out[0] == NULL) |
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return; |
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for (tp = ray_out; *tp != NULL; tp++) |
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(**tp)(&thisray); |
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if (outform == 'a') |
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putchar('\n'); |
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printvals(&thisray); |
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} |
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} |
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rayorigin(&thisray, NULL, PRIMARY, 1.0); |
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/* pretend we hit surface */ |
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thisray.rot = 1.0; |
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thisray.rot = 1.0-1e-4; |
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thisray.rod = 1.0; |
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VCOPY(thisray.ron, dir); |
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for (i = 0; i < 3; i++) /* fudge factor */ |
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thisray.rop[i] = org[i] + 1e-4*dir[i]; |
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/* compute and print */ |
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(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
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oputv(&thisray); |
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printvals(&thisray); |
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} |
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printvals(r) /* print requested ray values */ |
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RAY *r; |
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{ |
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register int (**tp)(); |
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if (ray_out[0] == NULL) |
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return; |
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for (tp = ray_out; *tp != NULL; tp++) |
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(**tp)(r); |
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if (outform == 'a') |
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putchar('\n'); |
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} |
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} |
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tranotify(obj) /* record new modifier */ |
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OBJECT obj; |
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{ |
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static int hitlimit = 0; |
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register OBJREC *o = objptr(obj); |
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register char **tralp; |
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if (hitlimit || !ismodifier(o->otype)) |
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return; |
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for (tralp = tralist; *tralp != NULL; tralp++) |
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if (!strcmp(o->oname, *tralp)) { |
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if (traset[0] >= MAXTSET) { |
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error(WARNING, "too many modifiers in trace list"); |
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hitlimit++; |
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return; /* should this be fatal? */ |
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} |
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insertelem(traset, obj); |
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return; |
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} |
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} |
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static |
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ourtrace(r) /* print ray values */ |
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RAY *r; |
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register int (**tp)(); |
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if (every_out[0] == NULL) |
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return; |
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if (r->ro == NULL) { |
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if (traincl == 1) |
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return; |
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} else if (traincl != -1 && traincl != inset(traset, r->ro->omod)) |
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return; |
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tabin(r); |
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for (tp = every_out; *tp != NULL; tp++) |