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/* Copyright (c) 1986 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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/* |
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* rtrace.c - program and variables for individual ray tracing. |
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* |
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* 6/11/86 |
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*/ |
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#include "copyright.h" |
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|
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/* |
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* Input is in the form: |
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* |
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* irradiance values are desired. |
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*/ |
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|
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#include "ray.h" |
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#include <time.h> |
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|
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#include "octree.h" |
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|
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#include "platform.h" |
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#include "ray.h" |
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#include "ambient.h" |
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#include "source.h" |
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#include "otypes.h" |
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#include "resolu.h" |
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|
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CUBE thescene; /* our scene */ |
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OBJECT nsceneobjs; /* number of objects in our scene */ |
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|
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int dimlist[MAXDIM]; /* sampling dimensions */ |
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int ndims = 0; /* number of sampling dimensions */ |
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int samplendx = 0; /* index for this sample */ |
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|
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int imm_irrad = 0; /* compute immediate irradiance? */ |
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int lim_dist = 0; /* limit distance? */ |
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|
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int inform = 'a'; /* input format */ |
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int outform = 'a'; /* output format */ |
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char *outvals = "v"; /* output specification */ |
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|
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int do_irrad = 0; /* compute irradiance? */ |
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|
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void (*trace)() = NULL; /* trace call */ |
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|
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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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|
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double dstrsrc = 0.0; /* square source distribution */ |
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double shadthresh = .05; /* shadow threshold */ |
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double shadcert = .5; /* shadow certainty */ |
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int directrelay = 1; /* number of source relays */ |
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double shadthresh = .03; /* shadow threshold */ |
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double shadcert = .75; /* shadow certainty */ |
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int directrelay = 2; /* number of source relays */ |
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int vspretest = 512; /* virtual source pretest density */ |
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int directinvis = 0; /* sources invisible? */ |
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double srcsizerat = .25; /* maximum ratio source size/dist. */ |
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int directvis = 1; /* sources visible? */ |
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double srcsizerat = .2; /* maximum ratio source size/dist. */ |
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|
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int maxdepth = 6; /* maximum recursion depth */ |
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double minweight = 4e-3; /* minimum ray weight */ |
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COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
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COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
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double seccg = 0.; /* global scattering eccentricity */ |
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double ssampdist = 0.; /* scatter sampling distance */ |
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|
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double specthresh = .15; /* specular sampling threshold */ |
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double specjitter = 1.; /* specular sampling jitter */ |
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|
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int backvis = 1; /* back face visibility */ |
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|
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int maxdepth = 8; /* maximum recursion depth */ |
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double minweight = 2e-3; /* minimum ray weight */ |
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|
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char *ambfile = NULL; /* ambient file name */ |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
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double ambacc = 0.2; /* ambient accuracy */ |
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int ambres = 32; /* ambient resolution */ |
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int ambdiv = 128; /* ambient divisions */ |
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int ambssamp = 0; /* ambient super-samples */ |
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int ambvwt = 0; /* initial weight for ambient value */ |
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double ambacc = 0.15; /* ambient accuracy */ |
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int ambres = 256; /* ambient resolution */ |
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int ambdiv = 1024; /* ambient divisions */ |
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int ambssamp = 512; /* ambient super-samples */ |
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int ambounce = 0; /* ambient bounces */ |
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char *amblist[128]; /* ambient include/exclude list */ |
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char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
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|
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extern OBJREC Lamb; /* a Lambertian surface */ |
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static int castonly = 0; |
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|
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static RAY thisray; /* for our convenience */ |
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|
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static int oputo(), oputd(), oputv(), oputl(), |
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oputp(), oputn(), oputs(), oputw(), oputm(); |
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typedef void putf_t(double v); |
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static putf_t puta, putd, putf; |
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|
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static int (*ray_out[10])(), (*every_out[10])(); |
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static int castonly; |
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typedef void oputf_t(RAY *r); |
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static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
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oputn, oputN, oputs, oputw, oputW, oputm, oputM; |
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|
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static int puta(), putf(), putd(); |
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static void setoutput(char *vs); |
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static void tranotify(OBJECT obj); |
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static void bogusray(void); |
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static void rad(FVECT org, FVECT dir, double dmax); |
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static void irrad(FVECT org, FVECT dir); |
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static void printvals(RAY *r); |
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static int getvec(FVECT vec, int fmt, FILE *fp); |
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static void tabin(RAY *r); |
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static void ourtrace(RAY *r); |
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|
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static int (*putreal)(); |
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static oputf_t *ray_out[16], *every_out[16]; |
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static putf_t *putreal; |
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|
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void (*addobjnotify[])() = {ambnotify, tranotify, NULL}; |
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quit(code) /* quit program */ |
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int code; |
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|
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void |
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quit( /* quit program */ |
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int code |
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) |
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{ |
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#ifndef NON_POSIX /* XXX we don't clean up elsewhere? */ |
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headclean(); /* delete header file */ |
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pfclean(); /* clean up persist files */ |
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#endif |
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exit(code); |
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} |
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|
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|
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rtrace(fname) /* trace rays from file */ |
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char *fname; |
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extern char * |
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formstr( /* return format identifier */ |
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int f |
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) |
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{ |
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switch (f) { |
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case 'a': return("ascii"); |
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case 'f': return("float"); |
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case 'd': return("double"); |
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case 'c': return(COLRFMT); |
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} |
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return("unknown"); |
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} |
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|
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|
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extern void |
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rtrace( /* trace rays from file */ |
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char *fname |
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) |
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{ |
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long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
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long nextflush = hresolu; |
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FILE *fp; |
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double d; |
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FVECT orig, direc; |
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/* set up input */ |
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if (fname == NULL) |
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sprintf(errmsg, "cannot open input file \"%s\"", fname); |
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error(SYSTEM, errmsg); |
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} |
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#ifdef _WIN32 |
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if (inform != 'a') |
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SET_FILE_BINARY(fp); |
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#endif |
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/* set up output */ |
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setoutput(outvals); |
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switch (outform) { |
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case 'a': putreal = puta; break; |
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case 'f': putreal = putf; break; |
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case 'd': putreal = putd; break; |
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case 'c': |
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if (strcmp(outvals, "v")) |
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error(USER, "color format with value output only"); |
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break; |
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default: |
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error(CONSISTENCY, "botched output format"); |
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} |
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if (hresolu > 0) { |
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if (vresolu > 0) |
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fprtresolu(hresolu, vresolu, stdout); |
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fflush(stdout); |
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} |
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/* process file */ |
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while (getvec(orig, inform, fp) == 0 && |
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getvec(direc, inform, fp) == 0) { |
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|
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if (normalize(direc) == 0.0) { /* zero ==> flush */ |
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fflush(stdout); |
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continue; |
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} |
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samplendx++; |
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d = normalize(direc); |
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if (d == 0.0) { /* zero ==> flush */ |
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bogusray(); |
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if (--nextflush <= 0 || vcount <= 0) { |
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fflush(stdout); |
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nextflush = hresolu; |
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} |
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} else { |
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samplendx++; |
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/* compute and print */ |
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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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if (imm_irrad) |
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irrad(orig, direc); |
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else |
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rad(orig, direc, lim_dist ? d : 0.0); |
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/* flush if time */ |
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if (--nextflush == 0) { |
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fflush(stdout); |
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nextflush = hresolu; |
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if (--nextflush == 0) { |
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fflush(stdout); |
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nextflush = hresolu; |
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} |
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} |
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if (ferror(stdout)) |
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error(SYSTEM, "write error"); |
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if (--vcount == 0) /* check for end */ |
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break; |
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} |
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fflush(stdout); |
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if (vcount > 0) |
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error(USER, "read error"); |
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fclose(fp); |
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if (fname != NULL) |
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fclose(fp); |
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} |
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setoutput(vs) /* set up output tables */ |
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register char *vs; |
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static void |
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trace_sources(void) /* trace rays to light sources, also */ |
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{ |
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extern int ourtrace(), (*trace)(); |
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register int (**table)() = ray_out; |
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int sn; |
226 |
> |
|
227 |
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for (sn = 0; sn < nsources; sn++) |
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source[sn].sflags |= SFOLLOW; |
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} |
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|
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|
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static void |
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setoutput( /* set up output tables */ |
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register char *vs |
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) |
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{ |
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register oputf_t **table = ray_out; |
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|
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castonly = 1; |
240 |
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while (*vs) |
241 |
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switch (*vs++) { |
242 |
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case 'T': /* trace sources */ |
243 |
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trace_sources(); |
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/* fall through */ |
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case 't': /* trace */ |
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*table = NULL; |
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table = every_out; |
258 |
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*table++ = oputv; |
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castonly = 0; |
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break; |
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case 'l': /* length */ |
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> |
case 'l': /* effective distance */ |
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*table++ = oputl; |
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castonly = 0; |
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break; |
265 |
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case 'c': /* local coordinates */ |
266 |
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*table++ = oputc; |
267 |
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break; |
268 |
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case 'L': /* single ray length */ |
269 |
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*table++ = oputL; |
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break; |
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case 'p': /* point */ |
272 |
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*table++ = oputp; |
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break; |
274 |
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case 'n': /* normal */ |
274 |
> |
case 'n': /* perturbed normal */ |
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*table++ = oputn; |
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castonly = 0; |
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break; |
278 |
+ |
case 'N': /* unperturbed normal */ |
279 |
+ |
*table++ = oputN; |
280 |
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break; |
281 |
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case 's': /* surface */ |
282 |
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*table++ = oputs; |
283 |
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break; |
284 |
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case 'w': /* weight */ |
285 |
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*table++ = oputw; |
286 |
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break; |
287 |
+ |
case 'W': /* coefficient */ |
288 |
+ |
*table++ = oputW; |
289 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
290 |
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error(WARNING, |
291 |
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"-otW accuracy requires -aa 0 -as 0"); |
292 |
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break; |
293 |
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case 'm': /* modifier */ |
294 |
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*table++ = oputm; |
295 |
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break; |
296 |
+ |
case 'M': /* material */ |
297 |
+ |
*table++ = oputM; |
298 |
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break; |
299 |
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} |
300 |
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*table = NULL; |
301 |
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} |
302 |
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|
303 |
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|
304 |
< |
traceray(org, dir) /* compute and print ray value(s) */ |
305 |
< |
FVECT org, dir; |
304 |
> |
static void |
305 |
> |
bogusray(void) /* print out empty record */ |
306 |
|
{ |
307 |
< |
register int (**tp)(); |
307 |
> |
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
308 |
> |
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
309 |
> |
thisray.rmax = 0.0; |
310 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
311 |
> |
printvals(&thisray); |
312 |
> |
} |
313 |
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|
314 |
+ |
|
315 |
+ |
static void |
316 |
+ |
rad( /* compute and print ray value(s) */ |
317 |
+ |
FVECT org, |
318 |
+ |
FVECT dir, |
319 |
+ |
double dmax |
320 |
+ |
) |
321 |
+ |
{ |
322 |
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VCOPY(thisray.rorg, org); |
323 |
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VCOPY(thisray.rdir, dir); |
324 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
325 |
< |
if (castonly) |
326 |
< |
localhit(&thisray, &thescene) || sourcehit(&thisray); |
327 |
< |
else |
324 |
> |
thisray.rmax = dmax; |
325 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
326 |
> |
if (castonly) { |
327 |
> |
if (!localhit(&thisray, &thescene)) { |
328 |
> |
if (thisray.ro == &Aftplane) { /* clipped */ |
329 |
> |
thisray.ro = NULL; |
330 |
> |
thisray.rot = FHUGE; |
331 |
> |
} else |
332 |
> |
sourcehit(&thisray); |
333 |
> |
} |
334 |
> |
} else |
335 |
|
rayvalue(&thisray); |
336 |
< |
|
201 |
< |
if (ray_out[0] == NULL) |
202 |
< |
return; |
203 |
< |
for (tp = ray_out; *tp != NULL; tp++) |
204 |
< |
(**tp)(&thisray); |
205 |
< |
if (outform == 'a') |
206 |
< |
putchar('\n'); |
336 |
> |
printvals(&thisray); |
337 |
|
} |
338 |
|
|
339 |
|
|
340 |
< |
irrad(org, dir) /* compute immediate irradiance value */ |
341 |
< |
FVECT org, dir; |
340 |
> |
static void |
341 |
> |
irrad( /* compute immediate irradiance value */ |
342 |
> |
FVECT org, |
343 |
> |
FVECT dir |
344 |
> |
) |
345 |
|
{ |
346 |
|
register int i; |
347 |
|
|
349 |
|
thisray.rorg[i] = org[i] + dir[i]; |
350 |
|
thisray.rdir[i] = -dir[i]; |
351 |
|
} |
352 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
352 |
> |
thisray.rmax = 0.0; |
353 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
354 |
|
/* pretend we hit surface */ |
355 |
< |
thisray.rot = 1.0; |
355 |
> |
thisray.rot = 1.0-1e-4; |
356 |
|
thisray.rod = 1.0; |
357 |
|
VCOPY(thisray.ron, dir); |
358 |
|
for (i = 0; i < 3; i++) /* fudge factor */ |
359 |
|
thisray.rop[i] = org[i] + 1e-4*dir[i]; |
360 |
|
/* compute and print */ |
361 |
|
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
362 |
< |
oputv(&thisray); |
362 |
> |
printvals(&thisray); |
363 |
> |
} |
364 |
> |
|
365 |
> |
|
366 |
> |
static void |
367 |
> |
printvals( /* print requested ray values */ |
368 |
> |
RAY *r |
369 |
> |
) |
370 |
> |
{ |
371 |
> |
register oputf_t **tp; |
372 |
> |
|
373 |
> |
if (ray_out[0] == NULL) |
374 |
> |
return; |
375 |
> |
for (tp = ray_out; *tp != NULL; tp++) |
376 |
> |
(**tp)(r); |
377 |
|
if (outform == 'a') |
378 |
|
putchar('\n'); |
379 |
|
} |
380 |
|
|
381 |
|
|
382 |
< |
getvec(vec, fmt, fp) /* get a vector from fp */ |
383 |
< |
register FVECT vec; |
384 |
< |
int fmt; |
385 |
< |
FILE *fp; |
382 |
> |
static int |
383 |
> |
getvec( /* get a vector from fp */ |
384 |
> |
register FVECT vec, |
385 |
> |
int fmt, |
386 |
> |
FILE *fp |
387 |
> |
) |
388 |
|
{ |
239 |
– |
extern char *fgetword(); |
240 |
– |
extern double atof(); |
389 |
|
static float vf[3]; |
390 |
+ |
static double vd[3]; |
391 |
|
char buf[32]; |
392 |
|
register int i; |
393 |
|
|
406 |
|
vec[0] = vf[0]; vec[1] = vf[1]; vec[2] = vf[2]; |
407 |
|
break; |
408 |
|
case 'd': /* binary double */ |
409 |
< |
if (fread((char *)vec, sizeof(double), 3, fp) != 3) |
409 |
> |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
410 |
|
return(-1); |
411 |
+ |
vec[0] = vd[0]; vec[1] = vd[1]; vec[2] = vd[2]; |
412 |
|
break; |
413 |
+ |
default: |
414 |
+ |
error(CONSISTENCY, "botched input format"); |
415 |
|
} |
416 |
|
return(0); |
417 |
|
} |
418 |
|
|
419 |
|
|
420 |
< |
static |
421 |
< |
ourtrace(r) /* print ray values */ |
422 |
< |
RAY *r; |
420 |
> |
static void |
421 |
> |
tranotify( /* record new modifier */ |
422 |
> |
OBJECT obj |
423 |
> |
) |
424 |
|
{ |
425 |
< |
register int (**tp)(); |
425 |
> |
static int hitlimit = 0; |
426 |
> |
register OBJREC *o = objptr(obj); |
427 |
> |
register char **tralp; |
428 |
|
|
429 |
+ |
if (obj == OVOID) { /* starting over */ |
430 |
+ |
traset[0] = 0; |
431 |
+ |
hitlimit = 0; |
432 |
+ |
return; |
433 |
+ |
} |
434 |
+ |
if (hitlimit || !ismodifier(o->otype)) |
435 |
+ |
return; |
436 |
+ |
for (tralp = tralist; *tralp != NULL; tralp++) |
437 |
+ |
if (!strcmp(o->oname, *tralp)) { |
438 |
+ |
if (traset[0] >= MAXTSET) { |
439 |
+ |
error(WARNING, "too many modifiers in trace list"); |
440 |
+ |
hitlimit++; |
441 |
+ |
return; /* should this be fatal? */ |
442 |
+ |
} |
443 |
+ |
insertelem(traset, obj); |
444 |
+ |
return; |
445 |
+ |
} |
446 |
+ |
} |
447 |
+ |
|
448 |
+ |
|
449 |
+ |
static void |
450 |
+ |
ourtrace( /* print ray values */ |
451 |
+ |
RAY *r |
452 |
+ |
) |
453 |
+ |
{ |
454 |
+ |
register oputf_t **tp; |
455 |
+ |
|
456 |
|
if (every_out[0] == NULL) |
457 |
|
return; |
458 |
+ |
if (r->ro == NULL) { |
459 |
+ |
if (traincl == 1) |
460 |
+ |
return; |
461 |
+ |
} else if (traincl != -1 && traincl != inset(traset, r->ro->omod)) |
462 |
+ |
return; |
463 |
|
tabin(r); |
464 |
|
for (tp = every_out; *tp != NULL; tp++) |
465 |
|
(**tp)(r); |
467 |
|
} |
468 |
|
|
469 |
|
|
470 |
< |
static |
471 |
< |
tabin(r) /* tab in appropriate amount */ |
472 |
< |
RAY *r; |
470 |
> |
static void |
471 |
> |
tabin( /* tab in appropriate amount */ |
472 |
> |
RAY *r |
473 |
> |
) |
474 |
|
{ |
475 |
< |
register RAY *rp; |
475 |
> |
const RAY *rp; |
476 |
|
|
477 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
478 |
|
putchar('\t'); |
479 |
|
} |
480 |
|
|
481 |
|
|
482 |
< |
static |
483 |
< |
oputo(r) /* print origin */ |
484 |
< |
register RAY *r; |
482 |
> |
static void |
483 |
> |
oputo( /* print origin */ |
484 |
> |
RAY *r |
485 |
> |
) |
486 |
|
{ |
487 |
|
(*putreal)(r->rorg[0]); |
488 |
|
(*putreal)(r->rorg[1]); |
490 |
|
} |
491 |
|
|
492 |
|
|
493 |
< |
static |
494 |
< |
oputd(r) /* print direction */ |
495 |
< |
register RAY *r; |
493 |
> |
static void |
494 |
> |
oputd( /* print direction */ |
495 |
> |
RAY *r |
496 |
> |
) |
497 |
|
{ |
498 |
|
(*putreal)(r->rdir[0]); |
499 |
|
(*putreal)(r->rdir[1]); |
501 |
|
} |
502 |
|
|
503 |
|
|
504 |
< |
static |
505 |
< |
oputv(r) /* print value */ |
506 |
< |
register RAY *r; |
504 |
> |
static void |
505 |
> |
oputv( /* print value */ |
506 |
> |
RAY *r |
507 |
> |
) |
508 |
|
{ |
509 |
+ |
COLR cout; |
510 |
+ |
|
511 |
+ |
if (outform == 'c') { |
512 |
+ |
setcolr(cout, colval(r->rcol,RED), |
513 |
+ |
colval(r->rcol,GRN), |
514 |
+ |
colval(r->rcol,BLU)); |
515 |
+ |
fwrite((char *)cout, sizeof(cout), 1, stdout); |
516 |
+ |
return; |
517 |
+ |
} |
518 |
|
(*putreal)(colval(r->rcol,RED)); |
519 |
|
(*putreal)(colval(r->rcol,GRN)); |
520 |
|
(*putreal)(colval(r->rcol,BLU)); |
521 |
|
} |
522 |
|
|
523 |
|
|
524 |
< |
static |
525 |
< |
oputl(r) /* print length */ |
526 |
< |
register RAY *r; |
524 |
> |
static void |
525 |
> |
oputl( /* print effective distance */ |
526 |
> |
RAY *r |
527 |
> |
) |
528 |
|
{ |
529 |
|
(*putreal)(r->rt); |
530 |
|
} |
531 |
|
|
532 |
|
|
533 |
< |
static |
534 |
< |
oputp(r) /* print point */ |
535 |
< |
register RAY *r; |
533 |
> |
static void |
534 |
> |
oputL( /* print single ray length */ |
535 |
> |
RAY *r |
536 |
> |
) |
537 |
|
{ |
538 |
+ |
(*putreal)(r->rot); |
539 |
+ |
} |
540 |
+ |
|
541 |
+ |
|
542 |
+ |
static void |
543 |
+ |
oputc( /* print local coordinates */ |
544 |
+ |
RAY *r |
545 |
+ |
) |
546 |
+ |
{ |
547 |
+ |
(*putreal)(r->uv[0]); |
548 |
+ |
(*putreal)(r->uv[1]); |
549 |
+ |
} |
550 |
+ |
|
551 |
+ |
|
552 |
+ |
static void |
553 |
+ |
oputp( /* print point */ |
554 |
+ |
RAY *r |
555 |
+ |
) |
556 |
+ |
{ |
557 |
|
if (r->rot < FHUGE) { |
558 |
|
(*putreal)(r->rop[0]); |
559 |
|
(*putreal)(r->rop[1]); |
566 |
|
} |
567 |
|
|
568 |
|
|
569 |
< |
static |
570 |
< |
oputn(r) /* print normal */ |
571 |
< |
register RAY *r; |
569 |
> |
static void |
570 |
> |
oputN( /* print unperturbed normal */ |
571 |
> |
RAY *r |
572 |
> |
) |
573 |
|
{ |
574 |
|
if (r->rot < FHUGE) { |
575 |
|
(*putreal)(r->ron[0]); |
583 |
|
} |
584 |
|
|
585 |
|
|
586 |
< |
static |
587 |
< |
oputs(r) /* print name */ |
588 |
< |
register RAY *r; |
586 |
> |
static void |
587 |
> |
oputn( /* print perturbed normal */ |
588 |
> |
RAY *r |
589 |
> |
) |
590 |
|
{ |
591 |
+ |
FVECT pnorm; |
592 |
+ |
|
593 |
+ |
if (r->rot >= FHUGE) { |
594 |
+ |
(*putreal)(0.0); |
595 |
+ |
(*putreal)(0.0); |
596 |
+ |
(*putreal)(0.0); |
597 |
+ |
return; |
598 |
+ |
} |
599 |
+ |
raynormal(pnorm, r); |
600 |
+ |
(*putreal)(pnorm[0]); |
601 |
+ |
(*putreal)(pnorm[1]); |
602 |
+ |
(*putreal)(pnorm[2]); |
603 |
+ |
} |
604 |
+ |
|
605 |
+ |
|
606 |
+ |
static void |
607 |
+ |
oputs( /* print name */ |
608 |
+ |
RAY *r |
609 |
+ |
) |
610 |
+ |
{ |
611 |
|
if (r->ro != NULL) |
612 |
|
fputs(r->ro->oname, stdout); |
613 |
|
else |
616 |
|
} |
617 |
|
|
618 |
|
|
619 |
< |
static |
620 |
< |
oputw(r) /* print weight */ |
621 |
< |
register RAY *r; |
619 |
> |
static void |
620 |
> |
oputw( /* print weight */ |
621 |
> |
RAY *r |
622 |
> |
) |
623 |
|
{ |
624 |
|
(*putreal)(r->rweight); |
625 |
|
} |
626 |
|
|
627 |
|
|
628 |
< |
static |
629 |
< |
oputm(r) /* print modifier */ |
630 |
< |
register RAY *r; |
628 |
> |
static void |
629 |
> |
oputW( /* print contribution */ |
630 |
> |
RAY *r |
631 |
> |
) |
632 |
|
{ |
633 |
+ |
COLOR contr; |
634 |
+ |
COLR cout; |
635 |
+ |
|
636 |
+ |
raycontrib(contr, r, PRIMARY); |
637 |
+ |
if (outform == 'c') { |
638 |
+ |
setcolr(cout, colval(contr,RED), |
639 |
+ |
colval(contr,GRN), |
640 |
+ |
colval(contr,BLU)); |
641 |
+ |
fwrite((char *)cout, sizeof(cout), 1, stdout); |
642 |
+ |
return; |
643 |
+ |
} |
644 |
+ |
(*putreal)(colval(contr,RED)); |
645 |
+ |
(*putreal)(colval(contr,GRN)); |
646 |
+ |
(*putreal)(colval(contr,BLU)); |
647 |
+ |
} |
648 |
+ |
|
649 |
+ |
|
650 |
+ |
static void |
651 |
+ |
oputm( /* print modifier */ |
652 |
+ |
RAY *r |
653 |
+ |
) |
654 |
+ |
{ |
655 |
|
if (r->ro != NULL) |
656 |
< |
fputs(objptr(r->ro->omod)->oname, stdout); |
656 |
> |
if (r->ro->omod != OVOID) |
657 |
> |
fputs(objptr(r->ro->omod)->oname, stdout); |
658 |
> |
else |
659 |
> |
fputs(VOIDID, stdout); |
660 |
|
else |
661 |
|
putchar('*'); |
662 |
|
putchar('\t'); |
663 |
|
} |
664 |
|
|
665 |
|
|
666 |
< |
static |
667 |
< |
puta(v) /* print ascii value */ |
668 |
< |
double v; |
666 |
> |
static void |
667 |
> |
oputM( /* print material */ |
668 |
> |
RAY *r |
669 |
> |
) |
670 |
|
{ |
671 |
+ |
OBJREC *mat; |
672 |
+ |
|
673 |
+ |
if (r->ro != NULL) { |
674 |
+ |
if ((mat = findmaterial(r->ro)) != NULL) |
675 |
+ |
fputs(mat->oname, stdout); |
676 |
+ |
else |
677 |
+ |
fputs(VOIDID, stdout); |
678 |
+ |
} else |
679 |
+ |
putchar('*'); |
680 |
+ |
putchar('\t'); |
681 |
+ |
} |
682 |
+ |
|
683 |
+ |
|
684 |
+ |
static void |
685 |
+ |
puta( /* print ascii value */ |
686 |
+ |
double v |
687 |
+ |
) |
688 |
+ |
{ |
689 |
|
printf("%e\t", v); |
690 |
|
} |
691 |
|
|
692 |
|
|
693 |
< |
static |
693 |
> |
static void |
694 |
|
putd(v) /* print binary double */ |
695 |
|
double v; |
696 |
|
{ |
698 |
|
} |
699 |
|
|
700 |
|
|
701 |
< |
static |
701 |
> |
static void |
702 |
|
putf(v) /* print binary float */ |
703 |
|
double v; |
704 |
|
{ |