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/* Copyright (c) 1995 Regents of the University of California */ |
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|
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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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|
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#include "otspecial.h" |
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#include "resolu.h" |
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#include "random.h" |
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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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extern int inform; /* input format */ |
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extern int outform; /* output format */ |
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extern char *outvals; /* output values */ |
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|
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int imm_irrad = 0; /* compute immediate irradiance? */ |
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extern int imm_irrad; /* compute immediate irradiance? */ |
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extern int lim_dist; /* 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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extern char *tralist[]; /* list of modifers to trace (or no) */ |
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extern int traincl; /* include == 1, exclude == 0 */ |
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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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extern int hresolu; /* horizontal resolution */ |
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extern int vresolu; /* vertical resolution */ |
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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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static int castonly = 0; |
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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 = 2; /* number of source relays */ |
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int vspretest = 512; /* virtual source pretest density */ |
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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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#ifndef MAXTSET |
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#define MAXTSET 8191 /* maximum number in trace set */ |
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#endif |
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OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
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|
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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 = 6; /* maximum recursion depth */ |
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double minweight = 4e-3; /* minimum ray weight */ |
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|
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COLOR ambval = BLKCOLOR; /* ambient value */ |
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int ambvwt = 0; /* initial weight for ambient value */ |
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double ambacc = 0.2; /* ambient accuracy */ |
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int ambres = 128; /* ambient resolution */ |
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int ambdiv = 512; /* ambient divisions */ |
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int ambssamp = 0; /* 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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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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|
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static RAY thisray; /* for our convenience */ |
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static int oputo(), oputd(), oputv(), oputl(), oputL(), |
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oputp(), oputn(), oputN(), oputs(), oputw(), oputm(); |
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typedef void putf_t(RREAL *v, int n); |
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static putf_t puta, putd, putf, putrgbe; |
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|
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static int ourtrace(), tabin(); |
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static int (*ray_out[16])(), (*every_out[16])(); |
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static int castonly = 0; |
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typedef void oputf_t(RAY *r); |
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static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
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oputr, oputR, oputx, oputX, oputn, oputN, oputs, |
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oputw, oputW, oputm, oputM, oputtilde; |
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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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extern void tranotify(OBJECT obj); |
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static void bogusray(void); |
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static void raycast(RAY *r); |
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static void rayirrad(RAY *r); |
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static void rtcompute(FVECT org, FVECT dir, double dmax); |
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static int 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[32], *every_out[32]; |
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static putf_t *putreal; |
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|
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|
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quit(code) /* quit program */ |
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int code; |
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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 NIX |
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headclean(); /* delete header file */ |
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pfclean(); /* clean up persist files */ |
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if (ray_pnprocs > 0) /* close children if any */ |
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ray_pclose(0); |
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#ifndef NON_POSIX |
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else if (!ray_pnprocs) { |
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headclean(); /* delete header file */ |
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pfclean(); /* clean up persist files */ |
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} |
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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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char * |
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formstr(f) /* return format identifier */ |
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int f; |
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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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} |
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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 void |
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rtrace( /* trace rays from file */ |
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char *fname, |
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int nproc |
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) |
117 |
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{ |
118 |
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long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
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long nextflush = hresolu; |
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unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
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: (unsigned long)vresolu; |
120 |
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long nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : hresolu; |
121 |
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int something2flush = 0; |
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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 MSDOS |
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if (inform != 'a') |
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setmode(fileno(fp), O_BINARY); |
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#endif |
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SET_FILE_BINARY(fp); |
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/* set up output */ |
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setoutput(outvals); |
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if (imm_irrad) |
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castonly = 0; |
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else if (castonly) |
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nproc = 1; /* don't bother multiprocessing */ |
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if ((nextflush > 0) & (nproc > nextflush)) { |
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error(WARNING, "reducing number of processes to match flush interval"); |
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nproc = nextflush; |
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} |
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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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if (outvals[0] && (outvals[1] || !strchr("vrx", outvals[0]))) |
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error(USER, "color format only with -ov, -or, -ox"); |
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putreal = putrgbe; break; |
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default: |
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error(CONSISTENCY, "botched output format"); |
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} |
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if (nproc > 1) { /* start multiprocessing */ |
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ray_popen(nproc); |
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ray_fifo_out = printvals; |
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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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else |
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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; |
172 |
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} |
173 |
< |
samplendx++; |
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< |
/* compute and print */ |
175 |
< |
if (imm_irrad) |
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irrad(orig, direc); |
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else |
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rad(orig, direc); |
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d = normalize(direc); |
170 |
> |
if (d == 0.0) { /* zero ==> flush */ |
171 |
> |
if ((--nextflush <= 0) | !vcount && something2flush) { |
172 |
> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
173 |
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error(USER, "child(ren) died"); |
174 |
> |
bogusray(); |
175 |
> |
fflush(stdout); |
176 |
> |
something2flush = 0; |
177 |
> |
nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
178 |
> |
hresolu; |
179 |
> |
} else |
180 |
> |
bogusray(); |
181 |
> |
} else { /* compute and print */ |
182 |
> |
rtcompute(orig, direc, lim_dist ? d : 0.0); |
183 |
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/* flush if time */ |
184 |
< |
if (--nextflush == 0) { |
185 |
< |
fflush(stdout); |
186 |
< |
nextflush = hresolu; |
184 |
> |
if (!--nextflush) { |
185 |
> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
186 |
> |
error(USER, "child(ren) died"); |
187 |
> |
fflush(stdout); |
188 |
> |
nextflush = hresolu; |
189 |
> |
} else |
190 |
> |
something2flush = 1; |
191 |
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} |
192 |
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if (ferror(stdout)) |
193 |
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error(SYSTEM, "write error"); |
194 |
< |
if (--vcount == 0) /* check for end */ |
194 |
> |
if (vcount && !--vcount) /* check for end */ |
195 |
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break; |
196 |
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} |
197 |
< |
fflush(stdout); |
198 |
< |
if (vcount > 0) |
199 |
< |
error(USER, "read error"); |
197 |
> |
if (ray_pnprocs > 1) { /* clean up children */ |
198 |
> |
if (ray_fifo_flush() < 0) |
199 |
> |
error(USER, "unable to complete processing"); |
200 |
> |
ray_pclose(0); |
201 |
> |
} |
202 |
> |
if (fflush(stdout) < 0) |
203 |
> |
error(SYSTEM, "write error"); |
204 |
> |
if (vcount) |
205 |
> |
error(USER, "unexpected EOF on input"); |
206 |
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if (fname != NULL) |
207 |
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fclose(fp); |
208 |
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} |
209 |
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|
210 |
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|
211 |
< |
setoutput(vs) /* set up output tables */ |
212 |
< |
register char *vs; |
211 |
> |
static void |
212 |
> |
trace_sources(void) /* trace rays to light sources, also */ |
213 |
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{ |
214 |
< |
extern int (*trace)(); |
215 |
< |
register int (**table)() = ray_out; |
214 |
> |
int sn; |
215 |
> |
|
216 |
> |
for (sn = 0; sn < nsources; sn++) |
217 |
> |
source[sn].sflags |= SFOLLOW; |
218 |
> |
} |
219 |
|
|
220 |
+ |
|
221 |
+ |
static void |
222 |
+ |
setoutput( /* set up output tables */ |
223 |
+ |
char *vs |
224 |
+ |
) |
225 |
+ |
{ |
226 |
+ |
oputf_t **table = ray_out; |
227 |
+ |
|
228 |
|
castonly = 1; |
229 |
|
while (*vs) |
230 |
|
switch (*vs++) { |
231 |
+ |
case 'T': /* trace sources */ |
232 |
+ |
if (!*vs) break; |
233 |
+ |
trace_sources(); |
234 |
+ |
/* fall through */ |
235 |
|
case 't': /* trace */ |
236 |
+ |
if (!*vs) break; |
237 |
|
*table = NULL; |
238 |
|
table = every_out; |
239 |
|
trace = ourtrace; |
245 |
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case 'd': /* direction */ |
246 |
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*table++ = oputd; |
247 |
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break; |
248 |
+ |
case 'r': /* reflected contrib. */ |
249 |
+ |
*table++ = oputr; |
250 |
+ |
castonly = 0; |
251 |
+ |
break; |
252 |
+ |
case 'R': /* reflected distance */ |
253 |
+ |
*table++ = oputR; |
254 |
+ |
castonly = 0; |
255 |
+ |
break; |
256 |
+ |
case 'x': /* xmit contrib. */ |
257 |
+ |
*table++ = oputx; |
258 |
+ |
castonly = 0; |
259 |
+ |
break; |
260 |
+ |
case 'X': /* xmit distance */ |
261 |
+ |
*table++ = oputX; |
262 |
+ |
castonly = 0; |
263 |
+ |
break; |
264 |
|
case 'v': /* value */ |
265 |
|
*table++ = oputv; |
266 |
|
castonly = 0; |
267 |
|
break; |
268 |
+ |
case 'V': /* contribution */ |
269 |
+ |
*table++ = oputV; |
270 |
+ |
castonly = 0; |
271 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
272 |
+ |
error(WARNING, |
273 |
+ |
"-otV accuracy depends on -aa 0 -as 0"); |
274 |
+ |
break; |
275 |
|
case 'l': /* effective distance */ |
276 |
|
*table++ = oputl; |
277 |
|
castonly = 0; |
278 |
|
break; |
279 |
+ |
case 'c': /* local coordinates */ |
280 |
+ |
*table++ = oputc; |
281 |
+ |
break; |
282 |
|
case 'L': /* single ray length */ |
283 |
|
*table++ = oputL; |
284 |
|
break; |
298 |
|
case 'w': /* weight */ |
299 |
|
*table++ = oputw; |
300 |
|
break; |
301 |
+ |
case 'W': /* coefficient */ |
302 |
+ |
*table++ = oputW; |
303 |
+ |
castonly = 0; |
304 |
+ |
if (ambounce > 0 && (ambacc > FTINY) | (ambssamp > 0)) |
305 |
+ |
error(WARNING, |
306 |
+ |
"-otW accuracy depends on -aa 0 -as 0"); |
307 |
+ |
break; |
308 |
|
case 'm': /* modifier */ |
309 |
|
*table++ = oputm; |
310 |
|
break; |
311 |
+ |
case 'M': /* material */ |
312 |
+ |
*table++ = oputM; |
313 |
+ |
break; |
314 |
+ |
case '~': /* tilde */ |
315 |
+ |
*table++ = oputtilde; |
316 |
+ |
break; |
317 |
|
} |
318 |
|
*table = NULL; |
319 |
+ |
/* compatibility */ |
320 |
+ |
for (table = ray_out; *table != NULL; table++) { |
321 |
+ |
if ((*table == oputV) | (*table == oputW)) |
322 |
+ |
error(WARNING, "-oVW options require trace mode"); |
323 |
+ |
if ((do_irrad | imm_irrad) && |
324 |
+ |
(*table == oputr) | (*table == oputR) | |
325 |
+ |
(*table == oputx) | (*table == oputX)) |
326 |
+ |
error(WARNING, "-orRxX options incompatible with -I+ and -i+"); |
327 |
+ |
} |
328 |
|
} |
329 |
|
|
330 |
|
|
331 |
< |
rad(org, dir) /* compute and print ray value(s) */ |
332 |
< |
FVECT org, dir; |
331 |
> |
static void |
332 |
> |
bogusray(void) /* print out empty record */ |
333 |
|
{ |
334 |
< |
VCOPY(thisray.rorg, org); |
253 |
< |
VCOPY(thisray.rdir, dir); |
254 |
< |
thisray.rmax = 0.0; |
255 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
256 |
< |
if (castonly) |
257 |
< |
localhit(&thisray, &thescene) || sourcehit(&thisray); |
258 |
< |
else |
259 |
< |
rayvalue(&thisray); |
334 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
335 |
|
printvals(&thisray); |
336 |
|
} |
337 |
|
|
338 |
|
|
339 |
< |
irrad(org, dir) /* compute immediate irradiance value */ |
340 |
< |
FVECT org, dir; |
339 |
> |
static void |
340 |
> |
raycast( /* compute first ray intersection only */ |
341 |
> |
RAY *r |
342 |
> |
) |
343 |
|
{ |
344 |
< |
register int i; |
345 |
< |
|
346 |
< |
for (i = 0; i < 3; i++) { |
347 |
< |
thisray.rorg[i] = org[i] + dir[i]; |
348 |
< |
thisray.rdir[i] = -dir[i]; |
344 |
> |
if (!localhit(r, &thescene)) { |
345 |
> |
if (r->ro == &Aftplane) { /* clipped */ |
346 |
> |
r->ro = NULL; |
347 |
> |
r->rot = FHUGE; |
348 |
> |
} else |
349 |
> |
sourcehit(r); |
350 |
|
} |
351 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
351 |
> |
} |
352 |
> |
|
353 |
> |
|
354 |
> |
static void |
355 |
> |
rayirrad( /* compute irradiance rather than radiance */ |
356 |
> |
RAY *r |
357 |
> |
) |
358 |
> |
{ |
359 |
> |
void (*old_revf)(RAY *) = r->revf; |
360 |
|
/* pretend we hit surface */ |
361 |
< |
thisray.rot = 1.0-1e-4; |
362 |
< |
thisray.rod = 1.0; |
363 |
< |
VCOPY(thisray.ron, dir); |
364 |
< |
for (i = 0; i < 3; i++) /* fudge factor */ |
365 |
< |
thisray.rop[i] = org[i] + 1e-4*dir[i]; |
366 |
< |
/* compute and print */ |
367 |
< |
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
361 |
> |
r->rxt = r->rot = 1e-5; |
362 |
> |
VSUM(r->rop, r->rorg, r->rdir, r->rot); |
363 |
> |
r->ron[0] = -r->rdir[0]; |
364 |
> |
r->ron[1] = -r->rdir[1]; |
365 |
> |
r->ron[2] = -r->rdir[2]; |
366 |
> |
r->rod = 1.0; |
367 |
> |
/* compute result */ |
368 |
> |
r->revf = raytrace; |
369 |
> |
(*ofun[Lamb.otype].funp)(&Lamb, r); |
370 |
> |
r->revf = old_revf; |
371 |
> |
} |
372 |
> |
|
373 |
> |
|
374 |
> |
static void |
375 |
> |
rtcompute( /* compute and print ray value(s) */ |
376 |
> |
FVECT org, |
377 |
> |
FVECT dir, |
378 |
> |
double dmax |
379 |
> |
) |
380 |
> |
{ |
381 |
> |
/* set up ray */ |
382 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
383 |
> |
if (imm_irrad) { |
384 |
> |
VSUM(thisray.rorg, org, dir, 1.1e-4); |
385 |
> |
thisray.rdir[0] = -dir[0]; |
386 |
> |
thisray.rdir[1] = -dir[1]; |
387 |
> |
thisray.rdir[2] = -dir[2]; |
388 |
> |
thisray.rmax = 0.0; |
389 |
> |
thisray.revf = rayirrad; |
390 |
> |
} else { |
391 |
> |
VCOPY(thisray.rorg, org); |
392 |
> |
VCOPY(thisray.rdir, dir); |
393 |
> |
thisray.rmax = dmax; |
394 |
> |
if (castonly) |
395 |
> |
thisray.revf = raycast; |
396 |
> |
} |
397 |
> |
if (ray_pnprocs > 1) { /* multiprocessing FIFO? */ |
398 |
> |
if (ray_fifo_in(&thisray) < 0) |
399 |
> |
error(USER, "lost children"); |
400 |
> |
return; |
401 |
> |
} |
402 |
> |
samplendx++; /* else do it ourselves */ |
403 |
> |
rayvalue(&thisray); |
404 |
|
printvals(&thisray); |
405 |
|
} |
406 |
|
|
407 |
|
|
408 |
< |
printvals(r) /* print requested ray values */ |
409 |
< |
RAY *r; |
408 |
> |
static int |
409 |
> |
printvals( /* print requested ray values */ |
410 |
> |
RAY *r |
411 |
> |
) |
412 |
|
{ |
413 |
< |
register int (**tp)(); |
413 |
> |
oputf_t **tp; |
414 |
|
|
415 |
|
if (ray_out[0] == NULL) |
416 |
< |
return; |
416 |
> |
return(0); |
417 |
|
for (tp = ray_out; *tp != NULL; tp++) |
418 |
|
(**tp)(r); |
419 |
|
if (outform == 'a') |
420 |
|
putchar('\n'); |
421 |
+ |
return(1); |
422 |
|
} |
423 |
|
|
424 |
|
|
425 |
< |
getvec(vec, fmt, fp) /* get a vector from fp */ |
426 |
< |
register FVECT vec; |
427 |
< |
int fmt; |
428 |
< |
FILE *fp; |
425 |
> |
static int |
426 |
> |
getvec( /* get a vector from fp */ |
427 |
> |
FVECT vec, |
428 |
> |
int fmt, |
429 |
> |
FILE *fp |
430 |
> |
) |
431 |
|
{ |
305 |
– |
extern char *fgetword(); |
432 |
|
static float vf[3]; |
433 |
|
static double vd[3]; |
434 |
|
char buf[32]; |
435 |
< |
register int i; |
435 |
> |
int i; |
436 |
|
|
437 |
|
switch (fmt) { |
438 |
|
case 'a': /* ascii */ |
444 |
|
} |
445 |
|
break; |
446 |
|
case 'f': /* binary float */ |
447 |
< |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
447 |
> |
if (getbinary(vf, sizeof(float), 3, fp) != 3) |
448 |
|
return(-1); |
449 |
< |
vec[0] = vf[0]; vec[1] = vf[1]; vec[2] = vf[2]; |
449 |
> |
VCOPY(vec, vf); |
450 |
|
break; |
451 |
|
case 'd': /* binary double */ |
452 |
< |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
452 |
> |
if (getbinary(vd, sizeof(double), 3, fp) != 3) |
453 |
|
return(-1); |
454 |
< |
vec[0] = vd[0]; vec[1] = vd[1]; vec[2] = vd[2]; |
454 |
> |
VCOPY(vec, vd); |
455 |
|
break; |
456 |
|
default: |
457 |
|
error(CONSISTENCY, "botched input format"); |
460 |
|
} |
461 |
|
|
462 |
|
|
463 |
< |
tranotify(obj) /* record new modifier */ |
464 |
< |
OBJECT obj; |
463 |
> |
void |
464 |
> |
tranotify( /* record new modifier */ |
465 |
> |
OBJECT obj |
466 |
> |
) |
467 |
|
{ |
468 |
|
static int hitlimit = 0; |
469 |
< |
register OBJREC *o = objptr(obj); |
470 |
< |
register char **tralp; |
469 |
> |
OBJREC *o = objptr(obj); |
470 |
> |
char **tralp; |
471 |
|
|
472 |
+ |
if (obj == OVOID) { /* starting over */ |
473 |
+ |
traset[0] = 0; |
474 |
+ |
hitlimit = 0; |
475 |
+ |
return; |
476 |
+ |
} |
477 |
|
if (hitlimit || !ismodifier(o->otype)) |
478 |
|
return; |
479 |
|
for (tralp = tralist; *tralp != NULL; tralp++) |
489 |
|
} |
490 |
|
|
491 |
|
|
492 |
< |
static |
493 |
< |
ourtrace(r) /* print ray values */ |
494 |
< |
RAY *r; |
492 |
> |
static void |
493 |
> |
ourtrace( /* print ray values */ |
494 |
> |
RAY *r |
495 |
> |
) |
496 |
|
{ |
497 |
< |
register int (**tp)(); |
497 |
> |
oputf_t **tp; |
498 |
|
|
499 |
|
if (every_out[0] == NULL) |
500 |
|
return; |
506 |
|
tabin(r); |
507 |
|
for (tp = every_out; *tp != NULL; tp++) |
508 |
|
(**tp)(r); |
509 |
< |
putchar('\n'); |
509 |
> |
if (outform == 'a') |
510 |
> |
putchar('\n'); |
511 |
|
} |
512 |
|
|
513 |
|
|
514 |
< |
static |
515 |
< |
tabin(r) /* tab in appropriate amount */ |
516 |
< |
RAY *r; |
514 |
> |
static void |
515 |
> |
tabin( /* tab in appropriate amount */ |
516 |
> |
RAY *r |
517 |
> |
) |
518 |
|
{ |
519 |
< |
register RAY *rp; |
519 |
> |
const RAY *rp; |
520 |
|
|
521 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
522 |
|
putchar('\t'); |
523 |
|
} |
524 |
|
|
525 |
|
|
526 |
< |
static |
527 |
< |
oputo(r) /* print origin */ |
528 |
< |
register RAY *r; |
526 |
> |
static void |
527 |
> |
oputo( /* print origin */ |
528 |
> |
RAY *r |
529 |
> |
) |
530 |
|
{ |
531 |
< |
(*putreal)(r->rorg[0]); |
395 |
< |
(*putreal)(r->rorg[1]); |
396 |
< |
(*putreal)(r->rorg[2]); |
531 |
> |
(*putreal)(r->rorg, 3); |
532 |
|
} |
533 |
|
|
534 |
|
|
535 |
< |
static |
536 |
< |
oputd(r) /* print direction */ |
537 |
< |
register RAY *r; |
535 |
> |
static void |
536 |
> |
oputd( /* print direction */ |
537 |
> |
RAY *r |
538 |
> |
) |
539 |
|
{ |
540 |
< |
(*putreal)(r->rdir[0]); |
405 |
< |
(*putreal)(r->rdir[1]); |
406 |
< |
(*putreal)(r->rdir[2]); |
540 |
> |
(*putreal)(r->rdir, 3); |
541 |
|
} |
542 |
|
|
543 |
|
|
544 |
< |
static |
545 |
< |
oputv(r) /* print value */ |
546 |
< |
register RAY *r; |
544 |
> |
static void |
545 |
> |
oputr( /* print mirrored contribution */ |
546 |
> |
RAY *r |
547 |
> |
) |
548 |
|
{ |
549 |
< |
COLR cout; |
550 |
< |
|
551 |
< |
if (outform == 'c') { |
552 |
< |
setcolr(cout, colval(r->rcol,RED), |
553 |
< |
colval(r->rcol,GRN), |
554 |
< |
colval(r->rcol,BLU)); |
420 |
< |
fwrite((char *)cout, sizeof(cout), 1, stdout); |
421 |
< |
return; |
422 |
< |
} |
423 |
< |
(*putreal)(colval(r->rcol,RED)); |
424 |
< |
(*putreal)(colval(r->rcol,GRN)); |
425 |
< |
(*putreal)(colval(r->rcol,BLU)); |
549 |
> |
RREAL cval[3]; |
550 |
> |
|
551 |
> |
cval[0] = colval(r->mcol,RED); |
552 |
> |
cval[1] = colval(r->mcol,GRN); |
553 |
> |
cval[2] = colval(r->mcol,BLU); |
554 |
> |
(*putreal)(cval, 3); |
555 |
|
} |
556 |
|
|
557 |
|
|
558 |
< |
static |
559 |
< |
oputl(r) /* print effective distance */ |
560 |
< |
register RAY *r; |
558 |
> |
|
559 |
> |
static void |
560 |
> |
oputR( /* print mirrored distance */ |
561 |
> |
RAY *r |
562 |
> |
) |
563 |
|
{ |
564 |
< |
(*putreal)(r->rt); |
564 |
> |
(*putreal)(&r->rmt, 1); |
565 |
|
} |
566 |
|
|
567 |
|
|
568 |
< |
static |
569 |
< |
oputL(r) /* print single ray length */ |
570 |
< |
register RAY *r; |
568 |
> |
static void |
569 |
> |
oputx( /* print unmirrored contribution */ |
570 |
> |
RAY *r |
571 |
> |
) |
572 |
|
{ |
573 |
< |
(*putreal)(r->rot); |
573 |
> |
RREAL cval[3]; |
574 |
> |
|
575 |
> |
cval[0] = colval(r->rcol,RED) - colval(r->mcol,RED); |
576 |
> |
cval[1] = colval(r->rcol,GRN) - colval(r->mcol,GRN); |
577 |
> |
cval[2] = colval(r->rcol,BLU) - colval(r->mcol,BLU); |
578 |
> |
(*putreal)(cval, 3); |
579 |
|
} |
580 |
|
|
581 |
|
|
582 |
< |
static |
583 |
< |
oputp(r) /* print point */ |
584 |
< |
register RAY *r; |
582 |
> |
static void |
583 |
> |
oputX( /* print unmirrored distance */ |
584 |
> |
RAY *r |
585 |
> |
) |
586 |
|
{ |
587 |
< |
if (r->rot < FHUGE) { |
450 |
< |
(*putreal)(r->rop[0]); |
451 |
< |
(*putreal)(r->rop[1]); |
452 |
< |
(*putreal)(r->rop[2]); |
453 |
< |
} else { |
454 |
< |
(*putreal)(0.0); |
455 |
< |
(*putreal)(0.0); |
456 |
< |
(*putreal)(0.0); |
457 |
< |
} |
587 |
> |
(*putreal)(&r->rxt, 1); |
588 |
|
} |
589 |
|
|
590 |
|
|
591 |
< |
static |
592 |
< |
oputN(r) /* print unperturbed normal */ |
593 |
< |
register RAY *r; |
591 |
> |
static void |
592 |
> |
oputv( /* print value */ |
593 |
> |
RAY *r |
594 |
> |
) |
595 |
|
{ |
596 |
+ |
RREAL cval[3]; |
597 |
+ |
|
598 |
+ |
cval[0] = colval(r->rcol,RED); |
599 |
+ |
cval[1] = colval(r->rcol,GRN); |
600 |
+ |
cval[2] = colval(r->rcol,BLU); |
601 |
+ |
(*putreal)(cval, 3); |
602 |
+ |
} |
603 |
+ |
|
604 |
+ |
|
605 |
+ |
static void |
606 |
+ |
oputV( /* print value contribution */ |
607 |
+ |
RAY *r |
608 |
+ |
) |
609 |
+ |
{ |
610 |
+ |
RREAL contr[3]; |
611 |
+ |
|
612 |
+ |
raycontrib(contr, r, PRIMARY); |
613 |
+ |
multcolor(contr, r->rcol); |
614 |
+ |
(*putreal)(contr, 3); |
615 |
+ |
} |
616 |
+ |
|
617 |
+ |
|
618 |
+ |
static void |
619 |
+ |
oputl( /* print effective distance */ |
620 |
+ |
RAY *r |
621 |
+ |
) |
622 |
+ |
{ |
623 |
+ |
RREAL d = raydistance(r); |
624 |
+ |
|
625 |
+ |
(*putreal)(&d, 1); |
626 |
+ |
} |
627 |
+ |
|
628 |
+ |
|
629 |
+ |
static void |
630 |
+ |
oputL( /* print single ray length */ |
631 |
+ |
RAY *r |
632 |
+ |
) |
633 |
+ |
{ |
634 |
+ |
(*putreal)(&r->rot, 1); |
635 |
+ |
} |
636 |
+ |
|
637 |
+ |
|
638 |
+ |
static void |
639 |
+ |
oputc( /* print local coordinates */ |
640 |
+ |
RAY *r |
641 |
+ |
) |
642 |
+ |
{ |
643 |
+ |
(*putreal)(r->uv, 2); |
644 |
+ |
} |
645 |
+ |
|
646 |
+ |
|
647 |
+ |
static RREAL vdummy[3] = {0.0, 0.0, 0.0}; |
648 |
+ |
|
649 |
+ |
|
650 |
+ |
static void |
651 |
+ |
oputp( /* print point */ |
652 |
+ |
RAY *r |
653 |
+ |
) |
654 |
+ |
{ |
655 |
+ |
if (r->rot < FHUGE) |
656 |
+ |
(*putreal)(r->rop, 3); |
657 |
+ |
else |
658 |
+ |
(*putreal)(vdummy, 3); |
659 |
+ |
} |
660 |
+ |
|
661 |
+ |
|
662 |
+ |
static void |
663 |
+ |
oputN( /* print unperturbed normal */ |
664 |
+ |
RAY *r |
665 |
+ |
) |
666 |
+ |
{ |
667 |
|
if (r->rot < FHUGE) { |
668 |
< |
(*putreal)(r->ron[0]); |
669 |
< |
(*putreal)(r->ron[1]); |
670 |
< |
(*putreal)(r->ron[2]); |
671 |
< |
} else { |
672 |
< |
(*putreal)(0.0); |
673 |
< |
(*putreal)(0.0); |
674 |
< |
(*putreal)(0.0); |
675 |
< |
} |
668 |
> |
if (r->rflips & 1) { /* undo any flippin' flips */ |
669 |
> |
FVECT unrm; |
670 |
> |
unrm[0] = -r->ron[0]; |
671 |
> |
unrm[1] = -r->ron[1]; |
672 |
> |
unrm[2] = -r->ron[2]; |
673 |
> |
(*putreal)(unrm, 3); |
674 |
> |
} else |
675 |
> |
(*putreal)(r->ron, 3); |
676 |
> |
} else |
677 |
> |
(*putreal)(vdummy, 3); |
678 |
|
} |
679 |
|
|
680 |
|
|
681 |
< |
static |
682 |
< |
oputn(r) /* print perturbed normal */ |
683 |
< |
RAY *r; |
681 |
> |
static void |
682 |
> |
oputn( /* print perturbed normal */ |
683 |
> |
RAY *r |
684 |
> |
) |
685 |
|
{ |
686 |
|
FVECT pnorm; |
687 |
|
|
688 |
|
if (r->rot >= FHUGE) { |
689 |
< |
(*putreal)(0.0); |
485 |
< |
(*putreal)(0.0); |
486 |
< |
(*putreal)(0.0); |
689 |
> |
(*putreal)(vdummy, 3); |
690 |
|
return; |
691 |
|
} |
692 |
|
raynormal(pnorm, r); |
693 |
< |
(*putreal)(pnorm[0]); |
491 |
< |
(*putreal)(pnorm[1]); |
492 |
< |
(*putreal)(pnorm[2]); |
693 |
> |
(*putreal)(pnorm, 3); |
694 |
|
} |
695 |
|
|
696 |
|
|
697 |
< |
static |
698 |
< |
oputs(r) /* print name */ |
699 |
< |
register RAY *r; |
697 |
> |
static void |
698 |
> |
oputs( /* print name */ |
699 |
> |
RAY *r |
700 |
> |
) |
701 |
|
{ |
702 |
|
if (r->ro != NULL) |
703 |
|
fputs(r->ro->oname, stdout); |
707 |
|
} |
708 |
|
|
709 |
|
|
710 |
< |
static |
711 |
< |
oputw(r) /* print weight */ |
712 |
< |
register RAY *r; |
710 |
> |
static void |
711 |
> |
oputw( /* print weight */ |
712 |
> |
RAY *r |
713 |
> |
) |
714 |
|
{ |
715 |
< |
(*putreal)(r->rweight); |
715 |
> |
RREAL rwt = r->rweight; |
716 |
> |
|
717 |
> |
(*putreal)(&rwt, 1); |
718 |
|
} |
719 |
|
|
720 |
|
|
721 |
< |
static |
722 |
< |
oputm(r) /* print modifier */ |
723 |
< |
register RAY *r; |
721 |
> |
static void |
722 |
> |
oputW( /* print coefficient */ |
723 |
> |
RAY *r |
724 |
> |
) |
725 |
|
{ |
726 |
+ |
RREAL contr[3]; |
727 |
+ |
/* shadow ray not on source? */ |
728 |
+ |
if (r->rsrc >= 0 && source[r->rsrc].so != r->ro) |
729 |
+ |
setcolor(contr, 0.0, 0.0, 0.0); |
730 |
+ |
else |
731 |
+ |
raycontrib(contr, r, PRIMARY); |
732 |
+ |
|
733 |
+ |
(*putreal)(contr, 3); |
734 |
+ |
} |
735 |
+ |
|
736 |
+ |
|
737 |
+ |
static void |
738 |
+ |
oputm( /* print modifier */ |
739 |
+ |
RAY *r |
740 |
+ |
) |
741 |
+ |
{ |
742 |
|
if (r->ro != NULL) |
743 |
|
if (r->ro->omod != OVOID) |
744 |
|
fputs(objptr(r->ro->omod)->oname, stdout); |
750 |
|
} |
751 |
|
|
752 |
|
|
753 |
< |
static |
754 |
< |
puta(v) /* print ascii value */ |
755 |
< |
double v; |
753 |
> |
static void |
754 |
> |
oputM( /* print material */ |
755 |
> |
RAY *r |
756 |
> |
) |
757 |
|
{ |
758 |
< |
printf("%e\t", v); |
758 |
> |
OBJREC *mat; |
759 |
> |
|
760 |
> |
if (r->ro != NULL) { |
761 |
> |
if ((mat = findmaterial(r->ro)) != NULL) |
762 |
> |
fputs(mat->oname, stdout); |
763 |
> |
else |
764 |
> |
fputs(VOIDID, stdout); |
765 |
> |
} else |
766 |
> |
putchar('*'); |
767 |
> |
putchar('\t'); |
768 |
|
} |
769 |
|
|
770 |
|
|
771 |
< |
static |
772 |
< |
putd(v) /* print binary double */ |
773 |
< |
double v; |
771 |
> |
static void |
772 |
> |
oputtilde( /* output tilde (spacer) */ |
773 |
> |
RAY *r |
774 |
> |
) |
775 |
|
{ |
776 |
< |
fwrite((char *)&v, sizeof(v), 1, stdout); |
776 |
> |
fputs("~\t", stdout); |
777 |
|
} |
778 |
|
|
779 |
|
|
780 |
< |
static |
781 |
< |
putf(v) /* print binary float */ |
782 |
< |
double v; |
780 |
> |
static void |
781 |
> |
puta( /* print ascii value(s) */ |
782 |
> |
RREAL *v, int n |
783 |
> |
) |
784 |
|
{ |
785 |
< |
float f = v; |
785 |
> |
if (n == 3) { |
786 |
> |
printf("%e\t%e\t%e\t", v[0], v[1], v[2]); |
787 |
> |
return; |
788 |
> |
} |
789 |
> |
while (n--) |
790 |
> |
printf("%e\t", *v++); |
791 |
> |
} |
792 |
|
|
793 |
< |
fwrite((char *)&f, sizeof(f), 1, stdout); |
793 |
> |
|
794 |
> |
static void |
795 |
> |
putd(RREAL *v, int n) /* output binary double(s) */ |
796 |
> |
{ |
797 |
> |
#ifdef SMLFLT |
798 |
> |
double da[3]; |
799 |
> |
int i; |
800 |
> |
|
801 |
> |
if (n > 3) |
802 |
> |
error(INTERNAL, "code error in putd()"); |
803 |
> |
for (i = n; i--; ) |
804 |
> |
da[i] = v[i]; |
805 |
> |
putbinary(da, sizeof(double), n, stdout); |
806 |
> |
#else |
807 |
> |
putbinary(v, sizeof(RREAL), n, stdout); |
808 |
> |
#endif |
809 |
> |
} |
810 |
> |
|
811 |
> |
|
812 |
> |
static void |
813 |
> |
putf(RREAL *v, int n) /* output binary float(s) */ |
814 |
> |
{ |
815 |
> |
#ifndef SMLFLT |
816 |
> |
float fa[3]; |
817 |
> |
int i; |
818 |
> |
|
819 |
> |
if (n > 3) |
820 |
> |
error(INTERNAL, "code error in putf()"); |
821 |
> |
for (i = n; i--; ) |
822 |
> |
fa[i] = v[i]; |
823 |
> |
putbinary(fa, sizeof(float), n, stdout); |
824 |
> |
#else |
825 |
> |
putbinary(v, sizeof(RREAL), n, stdout); |
826 |
> |
#endif |
827 |
> |
} |
828 |
> |
|
829 |
> |
|
830 |
> |
static void |
831 |
> |
putrgbe(RREAL *v, int n) /* output RGBE color */ |
832 |
> |
{ |
833 |
> |
COLR cout; |
834 |
> |
|
835 |
> |
if (n != 3) |
836 |
> |
error(INTERNAL, "putrgbe() not called with 3 components"); |
837 |
> |
setcolr(cout, v[0], v[1], v[2]); |
838 |
> |
putbinary(cout, sizeof(cout), 1, stdout); |
839 |
|
} |