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/* Copyright (c) 1997 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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/* |
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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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|
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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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|
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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; |
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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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> |
) |
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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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> |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
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> |
: (unsigned long)vresolu; |
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> |
long nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : hresolu; |
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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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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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< |
bogusray(); |
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< |
if (--nextflush <= 0) { |
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> |
d = normalize(direc); |
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> |
if (d == 0.0) { /* zero ==> flush */ |
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> |
if ((--nextflush <= 0) | !vcount && something2flush) { |
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> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
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> |
error(USER, "child(ren) died"); |
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> |
bogusray(); |
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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 |
| 177 |
< |
rad(orig, direc); |
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> |
something2flush = 0; |
| 177 |
> |
nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
| 178 |
> |
hresolu; |
| 179 |
> |
} else |
| 180 |
> |
bogusray(); |
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> |
} 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) { |
| 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 |
< |
} |
| 189 |
> |
} else |
| 190 |
> |
something2flush = 1; |
| 191 |
|
} |
| 192 |
|
if (ferror(stdout)) |
| 193 |
|
error(SYSTEM, "write error"); |
| 194 |
< |
if (--vcount == 0) /* check for end */ |
| 194 |
> |
if (vcount && !--vcount) /* check for end */ |
| 195 |
|
break; |
| 196 |
|
} |
| 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 |
|
if (fname != NULL) |
| 207 |
|
fclose(fp); |
| 208 |
|
} |
| 209 |
|
|
| 210 |
|
|
| 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 |
|
{ |
| 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 |
|
case 'd': /* direction */ |
| 246 |
|
*table++ = oputd; |
| 247 |
|
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 |
|
} |
| 320 |
|
|
| 321 |
|
|
| 322 |
< |
bogusray() /* print out empty record */ |
| 322 |
> |
static void |
| 323 |
> |
bogusray(void) /* print out empty record */ |
| 324 |
|
{ |
| 325 |
< |
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
| 256 |
< |
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
| 257 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 325 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 326 |
|
printvals(&thisray); |
| 327 |
|
} |
| 328 |
|
|
| 329 |
|
|
| 330 |
< |
rad(org, dir) /* compute and print ray value(s) */ |
| 331 |
< |
FVECT org, dir; |
| 330 |
> |
static void |
| 331 |
> |
raycast( /* compute first ray intersection only */ |
| 332 |
> |
RAY *r |
| 333 |
> |
) |
| 334 |
|
{ |
| 335 |
< |
VCOPY(thisray.rorg, org); |
| 336 |
< |
VCOPY(thisray.rdir, dir); |
| 337 |
< |
thisray.rmax = 0.0; |
| 338 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 339 |
< |
if (castonly) |
| 340 |
< |
localhit(&thisray, &thescene) || sourcehit(&thisray); |
| 341 |
< |
else |
| 272 |
< |
rayvalue(&thisray); |
| 273 |
< |
printvals(&thisray); |
| 335 |
> |
if (!localhit(r, &thescene)) { |
| 336 |
> |
if (r->ro == &Aftplane) { /* clipped */ |
| 337 |
> |
r->ro = NULL; |
| 338 |
> |
r->rot = FHUGE; |
| 339 |
> |
} else |
| 340 |
> |
sourcehit(r); |
| 341 |
> |
} |
| 342 |
|
} |
| 343 |
|
|
| 344 |
|
|
| 345 |
< |
irrad(org, dir) /* compute immediate irradiance value */ |
| 346 |
< |
FVECT org, dir; |
| 345 |
> |
static void |
| 346 |
> |
rayirrad( /* compute irradiance rather than radiance */ |
| 347 |
> |
RAY *r |
| 348 |
> |
) |
| 349 |
|
{ |
| 350 |
< |
register int i; |
| 350 |
> |
void (*old_revf)(RAY *) = r->revf; |
| 351 |
> |
/* pretend we hit surface */ |
| 352 |
> |
r->rxt = r->rot = 1e-5; |
| 353 |
> |
VSUM(r->rop, r->rorg, r->rdir, r->rot); |
| 354 |
> |
r->ron[0] = -r->rdir[0]; |
| 355 |
> |
r->ron[1] = -r->rdir[1]; |
| 356 |
> |
r->ron[2] = -r->rdir[2]; |
| 357 |
> |
r->rod = 1.0; |
| 358 |
> |
/* compute result */ |
| 359 |
> |
r->revf = raytrace; |
| 360 |
> |
(*ofun[Lamb.otype].funp)(&Lamb, r); |
| 361 |
> |
r->revf = old_revf; |
| 362 |
> |
} |
| 363 |
|
|
| 364 |
< |
for (i = 0; i < 3; i++) { |
| 365 |
< |
thisray.rorg[i] = org[i] + dir[i]; |
| 366 |
< |
thisray.rdir[i] = -dir[i]; |
| 364 |
> |
|
| 365 |
> |
static void |
| 366 |
> |
rtcompute( /* compute and print ray value(s) */ |
| 367 |
> |
FVECT org, |
| 368 |
> |
FVECT dir, |
| 369 |
> |
double dmax |
| 370 |
> |
) |
| 371 |
> |
{ |
| 372 |
> |
/* set up ray */ |
| 373 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 374 |
> |
if (imm_irrad) { |
| 375 |
> |
VSUM(thisray.rorg, org, dir, 1.1e-4); |
| 376 |
> |
thisray.rdir[0] = -dir[0]; |
| 377 |
> |
thisray.rdir[1] = -dir[1]; |
| 378 |
> |
thisray.rdir[2] = -dir[2]; |
| 379 |
> |
thisray.rmax = 0.0; |
| 380 |
> |
thisray.revf = rayirrad; |
| 381 |
> |
} else { |
| 382 |
> |
VCOPY(thisray.rorg, org); |
| 383 |
> |
VCOPY(thisray.rdir, dir); |
| 384 |
> |
thisray.rmax = dmax; |
| 385 |
> |
if (castonly) |
| 386 |
> |
thisray.revf = raycast; |
| 387 |
|
} |
| 388 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 389 |
< |
/* pretend we hit surface */ |
| 390 |
< |
thisray.rot = 1.0-1e-4; |
| 391 |
< |
thisray.rod = 1.0; |
| 392 |
< |
VCOPY(thisray.ron, dir); |
| 393 |
< |
for (i = 0; i < 3; i++) /* fudge factor */ |
| 394 |
< |
thisray.rop[i] = org[i] + 1e-4*dir[i]; |
| 293 |
< |
/* compute and print */ |
| 294 |
< |
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
| 388 |
> |
if (ray_pnprocs > 1) { /* multiprocessing FIFO? */ |
| 389 |
> |
if (ray_fifo_in(&thisray) < 0) |
| 390 |
> |
error(USER, "lost children"); |
| 391 |
> |
return; |
| 392 |
> |
} |
| 393 |
> |
samplendx++; /* else do it ourselves */ |
| 394 |
> |
rayvalue(&thisray); |
| 395 |
|
printvals(&thisray); |
| 396 |
|
} |
| 397 |
|
|
| 398 |
|
|
| 399 |
< |
printvals(r) /* print requested ray values */ |
| 400 |
< |
RAY *r; |
| 399 |
> |
static int |
| 400 |
> |
printvals( /* print requested ray values */ |
| 401 |
> |
RAY *r |
| 402 |
> |
) |
| 403 |
|
{ |
| 404 |
< |
register int (**tp)(); |
| 404 |
> |
oputf_t **tp; |
| 405 |
|
|
| 406 |
|
if (ray_out[0] == NULL) |
| 407 |
< |
return; |
| 407 |
> |
return(0); |
| 408 |
|
for (tp = ray_out; *tp != NULL; tp++) |
| 409 |
|
(**tp)(r); |
| 410 |
|
if (outform == 'a') |
| 411 |
|
putchar('\n'); |
| 412 |
+ |
return(1); |
| 413 |
|
} |
| 414 |
|
|
| 415 |
|
|
| 416 |
< |
getvec(vec, fmt, fp) /* get a vector from fp */ |
| 417 |
< |
register FVECT vec; |
| 418 |
< |
int fmt; |
| 419 |
< |
FILE *fp; |
| 416 |
> |
static int |
| 417 |
> |
getvec( /* get a vector from fp */ |
| 418 |
> |
FVECT vec, |
| 419 |
> |
int fmt, |
| 420 |
> |
FILE *fp |
| 421 |
> |
) |
| 422 |
|
{ |
| 318 |
– |
extern char *fgetword(); |
| 423 |
|
static float vf[3]; |
| 424 |
|
static double vd[3]; |
| 425 |
|
char buf[32]; |
| 426 |
< |
register int i; |
| 426 |
> |
int i; |
| 427 |
|
|
| 428 |
|
switch (fmt) { |
| 429 |
|
case 'a': /* ascii */ |
| 435 |
|
} |
| 436 |
|
break; |
| 437 |
|
case 'f': /* binary float */ |
| 438 |
< |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
| 438 |
> |
if (getbinary(vf, sizeof(float), 3, fp) != 3) |
| 439 |
|
return(-1); |
| 440 |
< |
vec[0] = vf[0]; vec[1] = vf[1]; vec[2] = vf[2]; |
| 440 |
> |
VCOPY(vec, vf); |
| 441 |
|
break; |
| 442 |
|
case 'd': /* binary double */ |
| 443 |
< |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
| 443 |
> |
if (getbinary(vd, sizeof(double), 3, fp) != 3) |
| 444 |
|
return(-1); |
| 445 |
< |
vec[0] = vd[0]; vec[1] = vd[1]; vec[2] = vd[2]; |
| 445 |
> |
VCOPY(vec, vd); |
| 446 |
|
break; |
| 447 |
|
default: |
| 448 |
|
error(CONSISTENCY, "botched input format"); |
| 451 |
|
} |
| 452 |
|
|
| 453 |
|
|
| 454 |
< |
tranotify(obj) /* record new modifier */ |
| 455 |
< |
OBJECT obj; |
| 454 |
> |
void |
| 455 |
> |
tranotify( /* record new modifier */ |
| 456 |
> |
OBJECT obj |
| 457 |
> |
) |
| 458 |
|
{ |
| 459 |
|
static int hitlimit = 0; |
| 460 |
< |
register OBJREC *o = objptr(obj); |
| 461 |
< |
register char **tralp; |
| 460 |
> |
OBJREC *o = objptr(obj); |
| 461 |
> |
char **tralp; |
| 462 |
|
|
| 463 |
+ |
if (obj == OVOID) { /* starting over */ |
| 464 |
+ |
traset[0] = 0; |
| 465 |
+ |
hitlimit = 0; |
| 466 |
+ |
return; |
| 467 |
+ |
} |
| 468 |
|
if (hitlimit || !ismodifier(o->otype)) |
| 469 |
|
return; |
| 470 |
|
for (tralp = tralist; *tralp != NULL; tralp++) |
| 480 |
|
} |
| 481 |
|
|
| 482 |
|
|
| 483 |
< |
static |
| 484 |
< |
ourtrace(r) /* print ray values */ |
| 485 |
< |
RAY *r; |
| 483 |
> |
static void |
| 484 |
> |
ourtrace( /* print ray values */ |
| 485 |
> |
RAY *r |
| 486 |
> |
) |
| 487 |
|
{ |
| 488 |
< |
register int (**tp)(); |
| 488 |
> |
oputf_t **tp; |
| 489 |
|
|
| 490 |
|
if (every_out[0] == NULL) |
| 491 |
|
return; |
| 497 |
|
tabin(r); |
| 498 |
|
for (tp = every_out; *tp != NULL; tp++) |
| 499 |
|
(**tp)(r); |
| 500 |
< |
putchar('\n'); |
| 500 |
> |
if (outform == 'a') |
| 501 |
> |
putchar('\n'); |
| 502 |
|
} |
| 503 |
|
|
| 504 |
|
|
| 505 |
< |
static |
| 506 |
< |
tabin(r) /* tab in appropriate amount */ |
| 507 |
< |
RAY *r; |
| 505 |
> |
static void |
| 506 |
> |
tabin( /* tab in appropriate amount */ |
| 507 |
> |
RAY *r |
| 508 |
> |
) |
| 509 |
|
{ |
| 510 |
< |
register RAY *rp; |
| 510 |
> |
const RAY *rp; |
| 511 |
|
|
| 512 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
| 513 |
|
putchar('\t'); |
| 514 |
|
} |
| 515 |
|
|
| 516 |
|
|
| 517 |
< |
static |
| 518 |
< |
oputo(r) /* print origin */ |
| 519 |
< |
register RAY *r; |
| 517 |
> |
static void |
| 518 |
> |
oputo( /* print origin */ |
| 519 |
> |
RAY *r |
| 520 |
> |
) |
| 521 |
|
{ |
| 522 |
< |
(*putreal)(r->rorg[0]); |
| 408 |
< |
(*putreal)(r->rorg[1]); |
| 409 |
< |
(*putreal)(r->rorg[2]); |
| 522 |
> |
(*putreal)(r->rorg, 3); |
| 523 |
|
} |
| 524 |
|
|
| 525 |
|
|
| 526 |
< |
static |
| 527 |
< |
oputd(r) /* print direction */ |
| 528 |
< |
register RAY *r; |
| 526 |
> |
static void |
| 527 |
> |
oputd( /* print direction */ |
| 528 |
> |
RAY *r |
| 529 |
> |
) |
| 530 |
|
{ |
| 531 |
< |
(*putreal)(r->rdir[0]); |
| 418 |
< |
(*putreal)(r->rdir[1]); |
| 419 |
< |
(*putreal)(r->rdir[2]); |
| 531 |
> |
(*putreal)(r->rdir, 3); |
| 532 |
|
} |
| 533 |
|
|
| 534 |
|
|
| 535 |
< |
static |
| 536 |
< |
oputv(r) /* print value */ |
| 537 |
< |
register RAY *r; |
| 535 |
> |
static void |
| 536 |
> |
oputr( /* print mirrored contribution */ |
| 537 |
> |
RAY *r |
| 538 |
> |
) |
| 539 |
|
{ |
| 540 |
< |
COLR cout; |
| 541 |
< |
|
| 540 |
> |
RREAL cval[3]; |
| 541 |
> |
|
| 542 |
> |
cval[0] = colval(r->mcol,RED); |
| 543 |
> |
cval[1] = colval(r->mcol,GRN); |
| 544 |
> |
cval[2] = colval(r->mcol,BLU); |
| 545 |
> |
(*putreal)(cval, 3); |
| 546 |
> |
} |
| 547 |
> |
|
| 548 |
> |
|
| 549 |
> |
|
| 550 |
> |
static void |
| 551 |
> |
oputR( /* print mirrored distance */ |
| 552 |
> |
RAY *r |
| 553 |
> |
) |
| 554 |
> |
{ |
| 555 |
> |
(*putreal)(&r->rmt, 1); |
| 556 |
> |
} |
| 557 |
> |
|
| 558 |
> |
|
| 559 |
> |
static void |
| 560 |
> |
oputx( /* print unmirrored contribution */ |
| 561 |
> |
RAY *r |
| 562 |
> |
) |
| 563 |
> |
{ |
| 564 |
> |
RREAL cval[3]; |
| 565 |
> |
|
| 566 |
> |
cval[0] = colval(r->rcol,RED) - colval(r->mcol,RED); |
| 567 |
> |
cval[1] = colval(r->rcol,GRN) - colval(r->mcol,GRN); |
| 568 |
> |
cval[2] = colval(r->rcol,BLU) - colval(r->mcol,BLU); |
| 569 |
> |
(*putreal)(cval, 3); |
| 570 |
> |
} |
| 571 |
> |
|
| 572 |
> |
|
| 573 |
> |
static void |
| 574 |
> |
oputX( /* print unmirrored distance */ |
| 575 |
> |
RAY *r |
| 576 |
> |
) |
| 577 |
> |
{ |
| 578 |
> |
(*putreal)(&r->rxt, 1); |
| 579 |
> |
} |
| 580 |
> |
|
| 581 |
> |
|
| 582 |
> |
static void |
| 583 |
> |
oputv( /* print value */ |
| 584 |
> |
RAY *r |
| 585 |
> |
) |
| 586 |
> |
{ |
| 587 |
> |
RREAL cval[3]; |
| 588 |
> |
|
| 589 |
|
if (outform == 'c') { |
| 590 |
+ |
COLR cout; |
| 591 |
|
setcolr(cout, colval(r->rcol,RED), |
| 592 |
|
colval(r->rcol,GRN), |
| 593 |
|
colval(r->rcol,BLU)); |
| 594 |
< |
fwrite((char *)cout, sizeof(cout), 1, stdout); |
| 594 |
> |
putbinary(cout, sizeof(cout), 1, stdout); |
| 595 |
|
return; |
| 596 |
|
} |
| 597 |
< |
(*putreal)(colval(r->rcol,RED)); |
| 598 |
< |
(*putreal)(colval(r->rcol,GRN)); |
| 599 |
< |
(*putreal)(colval(r->rcol,BLU)); |
| 597 |
> |
cval[0] = colval(r->rcol,RED); |
| 598 |
> |
cval[1] = colval(r->rcol,GRN); |
| 599 |
> |
cval[2] = colval(r->rcol,BLU); |
| 600 |
> |
(*putreal)(cval, 3); |
| 601 |
|
} |
| 602 |
|
|
| 603 |
|
|
| 604 |
< |
static |
| 605 |
< |
oputl(r) /* print effective distance */ |
| 606 |
< |
register RAY *r; |
| 604 |
> |
static void |
| 605 |
> |
oputV( /* print value contribution */ |
| 606 |
> |
RAY *r |
| 607 |
> |
) |
| 608 |
|
{ |
| 609 |
< |
(*putreal)(r->rt); |
| 609 |
> |
RREAL contr[3]; |
| 610 |
> |
|
| 611 |
> |
raycontrib(contr, r, PRIMARY); |
| 612 |
> |
multcolor(contr, r->rcol); |
| 613 |
> |
(*putreal)(contr, 3); |
| 614 |
|
} |
| 615 |
|
|
| 616 |
|
|
| 617 |
< |
static |
| 618 |
< |
oputL(r) /* print single ray length */ |
| 619 |
< |
register RAY *r; |
| 617 |
> |
static void |
| 618 |
> |
oputl( /* print effective distance */ |
| 619 |
> |
RAY *r |
| 620 |
> |
) |
| 621 |
|
{ |
| 622 |
< |
(*putreal)(r->rot); |
| 622 |
> |
RREAL d = raydistance(r); |
| 623 |
> |
|
| 624 |
> |
(*putreal)(&d, 1); |
| 625 |
|
} |
| 626 |
|
|
| 627 |
|
|
| 628 |
< |
static |
| 629 |
< |
oputp(r) /* print point */ |
| 630 |
< |
register RAY *r; |
| 628 |
> |
static void |
| 629 |
> |
oputL( /* print single ray length */ |
| 630 |
> |
RAY *r |
| 631 |
> |
) |
| 632 |
|
{ |
| 633 |
< |
if (r->rot < FHUGE) { |
| 463 |
< |
(*putreal)(r->rop[0]); |
| 464 |
< |
(*putreal)(r->rop[1]); |
| 465 |
< |
(*putreal)(r->rop[2]); |
| 466 |
< |
} else { |
| 467 |
< |
(*putreal)(0.0); |
| 468 |
< |
(*putreal)(0.0); |
| 469 |
< |
(*putreal)(0.0); |
| 470 |
< |
} |
| 633 |
> |
(*putreal)(&r->rot, 1); |
| 634 |
|
} |
| 635 |
|
|
| 636 |
|
|
| 637 |
< |
static |
| 638 |
< |
oputN(r) /* print unperturbed normal */ |
| 639 |
< |
register RAY *r; |
| 637 |
> |
static void |
| 638 |
> |
oputc( /* print local coordinates */ |
| 639 |
> |
RAY *r |
| 640 |
> |
) |
| 641 |
|
{ |
| 642 |
< |
if (r->rot < FHUGE) { |
| 479 |
< |
(*putreal)(r->ron[0]); |
| 480 |
< |
(*putreal)(r->ron[1]); |
| 481 |
< |
(*putreal)(r->ron[2]); |
| 482 |
< |
} else { |
| 483 |
< |
(*putreal)(0.0); |
| 484 |
< |
(*putreal)(0.0); |
| 485 |
< |
(*putreal)(0.0); |
| 486 |
< |
} |
| 642 |
> |
(*putreal)(r->uv, 2); |
| 643 |
|
} |
| 644 |
|
|
| 645 |
|
|
| 646 |
< |
static |
| 647 |
< |
oputn(r) /* print perturbed normal */ |
| 648 |
< |
RAY *r; |
| 646 |
> |
static RREAL vdummy[3] = {0.0, 0.0, 0.0}; |
| 647 |
> |
|
| 648 |
> |
|
| 649 |
> |
static void |
| 650 |
> |
oputp( /* print point */ |
| 651 |
> |
RAY *r |
| 652 |
> |
) |
| 653 |
|
{ |
| 654 |
+ |
if (r->rot < FHUGE) |
| 655 |
+ |
(*putreal)(r->rop, 3); |
| 656 |
+ |
else |
| 657 |
+ |
(*putreal)(vdummy, 3); |
| 658 |
+ |
} |
| 659 |
+ |
|
| 660 |
+ |
|
| 661 |
+ |
static void |
| 662 |
+ |
oputN( /* print unperturbed normal */ |
| 663 |
+ |
RAY *r |
| 664 |
+ |
) |
| 665 |
+ |
{ |
| 666 |
+ |
if (r->rot < FHUGE) |
| 667 |
+ |
(*putreal)(r->ron, 3); |
| 668 |
+ |
else |
| 669 |
+ |
(*putreal)(vdummy, 3); |
| 670 |
+ |
} |
| 671 |
+ |
|
| 672 |
+ |
|
| 673 |
+ |
static void |
| 674 |
+ |
oputn( /* print perturbed normal */ |
| 675 |
+ |
RAY *r |
| 676 |
+ |
) |
| 677 |
+ |
{ |
| 678 |
|
FVECT pnorm; |
| 679 |
|
|
| 680 |
|
if (r->rot >= FHUGE) { |
| 681 |
< |
(*putreal)(0.0); |
| 498 |
< |
(*putreal)(0.0); |
| 499 |
< |
(*putreal)(0.0); |
| 681 |
> |
(*putreal)(vdummy, 3); |
| 682 |
|
return; |
| 683 |
|
} |
| 684 |
|
raynormal(pnorm, r); |
| 685 |
< |
(*putreal)(pnorm[0]); |
| 504 |
< |
(*putreal)(pnorm[1]); |
| 505 |
< |
(*putreal)(pnorm[2]); |
| 685 |
> |
(*putreal)(pnorm, 3); |
| 686 |
|
} |
| 687 |
|
|
| 688 |
|
|
| 689 |
< |
static |
| 690 |
< |
oputs(r) /* print name */ |
| 691 |
< |
register RAY *r; |
| 689 |
> |
static void |
| 690 |
> |
oputs( /* print name */ |
| 691 |
> |
RAY *r |
| 692 |
> |
) |
| 693 |
|
{ |
| 694 |
|
if (r->ro != NULL) |
| 695 |
|
fputs(r->ro->oname, stdout); |
| 699 |
|
} |
| 700 |
|
|
| 701 |
|
|
| 702 |
< |
static |
| 703 |
< |
oputw(r) /* print weight */ |
| 704 |
< |
register RAY *r; |
| 702 |
> |
static void |
| 703 |
> |
oputw( /* print weight */ |
| 704 |
> |
RAY *r |
| 705 |
> |
) |
| 706 |
|
{ |
| 707 |
< |
(*putreal)(r->rweight); |
| 707 |
> |
RREAL rwt = r->rweight; |
| 708 |
> |
|
| 709 |
> |
(*putreal)(&rwt, 1); |
| 710 |
|
} |
| 711 |
|
|
| 712 |
|
|
| 713 |
< |
static |
| 714 |
< |
oputm(r) /* print modifier */ |
| 715 |
< |
register RAY *r; |
| 713 |
> |
static void |
| 714 |
> |
oputW( /* print coefficient */ |
| 715 |
> |
RAY *r |
| 716 |
> |
) |
| 717 |
|
{ |
| 718 |
+ |
RREAL contr[3]; |
| 719 |
+ |
/* shadow ray not on source? */ |
| 720 |
+ |
if (r->rsrc >= 0 && source[r->rsrc].so != r->ro) |
| 721 |
+ |
setcolor(contr, 0.0, 0.0, 0.0); |
| 722 |
+ |
else |
| 723 |
+ |
raycontrib(contr, r, PRIMARY); |
| 724 |
+ |
|
| 725 |
+ |
(*putreal)(contr, 3); |
| 726 |
+ |
} |
| 727 |
+ |
|
| 728 |
+ |
|
| 729 |
+ |
static void |
| 730 |
+ |
oputm( /* print modifier */ |
| 731 |
+ |
RAY *r |
| 732 |
+ |
) |
| 733 |
+ |
{ |
| 734 |
|
if (r->ro != NULL) |
| 735 |
|
if (r->ro->omod != OVOID) |
| 736 |
|
fputs(objptr(r->ro->omod)->oname, stdout); |
| 742 |
|
} |
| 743 |
|
|
| 744 |
|
|
| 745 |
< |
static |
| 746 |
< |
puta(v) /* print ascii value */ |
| 747 |
< |
double v; |
| 745 |
> |
static void |
| 746 |
> |
oputM( /* print material */ |
| 747 |
> |
RAY *r |
| 748 |
> |
) |
| 749 |
|
{ |
| 750 |
< |
printf("%e\t", v); |
| 750 |
> |
OBJREC *mat; |
| 751 |
> |
|
| 752 |
> |
if (r->ro != NULL) { |
| 753 |
> |
if ((mat = findmaterial(r->ro)) != NULL) |
| 754 |
> |
fputs(mat->oname, stdout); |
| 755 |
> |
else |
| 756 |
> |
fputs(VOIDID, stdout); |
| 757 |
> |
} else |
| 758 |
> |
putchar('*'); |
| 759 |
> |
putchar('\t'); |
| 760 |
|
} |
| 761 |
|
|
| 762 |
|
|
| 763 |
< |
static |
| 764 |
< |
putd(v) /* print binary double */ |
| 765 |
< |
double v; |
| 763 |
> |
static void |
| 764 |
> |
oputtilde( /* output tilde (spacer) */ |
| 765 |
> |
RAY *r |
| 766 |
> |
) |
| 767 |
|
{ |
| 768 |
< |
fwrite((char *)&v, sizeof(v), 1, stdout); |
| 768 |
> |
fputs("~\t", stdout); |
| 769 |
|
} |
| 770 |
|
|
| 771 |
|
|
| 772 |
< |
static |
| 773 |
< |
putf(v) /* print binary float */ |
| 774 |
< |
double v; |
| 772 |
> |
static void |
| 773 |
> |
puta( /* print ascii value(s) */ |
| 774 |
> |
RREAL *v, int n |
| 775 |
> |
) |
| 776 |
|
{ |
| 777 |
< |
float f = v; |
| 777 |
> |
if (n == 3) { |
| 778 |
> |
printf("%e\t%e\t%e\t", v[0], v[1], v[2]); |
| 779 |
> |
return; |
| 780 |
> |
} |
| 781 |
> |
while (n--) |
| 782 |
> |
printf("%e\t", *v++); |
| 783 |
> |
} |
| 784 |
|
|
| 785 |
< |
fwrite((char *)&f, sizeof(f), 1, stdout); |
| 785 |
> |
|
| 786 |
> |
static void |
| 787 |
> |
putd(RREAL *v, int n) /* print binary double(s) */ |
| 788 |
> |
{ |
| 789 |
> |
#ifdef SMLFLT |
| 790 |
> |
double da[3]; |
| 791 |
> |
int i; |
| 792 |
> |
|
| 793 |
> |
if (n > 3) |
| 794 |
> |
error(INTERNAL, "code error in putd()"); |
| 795 |
> |
for (i = n; i--; ) |
| 796 |
> |
da[i] = v[i]; |
| 797 |
> |
putbinary(da, sizeof(double), n, stdout); |
| 798 |
> |
#else |
| 799 |
> |
putbinary(v, sizeof(RREAL), n, stdout); |
| 800 |
> |
#endif |
| 801 |
> |
} |
| 802 |
> |
|
| 803 |
> |
|
| 804 |
> |
static void |
| 805 |
> |
putf(RREAL *v, int n) /* print binary float(s) */ |
| 806 |
> |
{ |
| 807 |
> |
#ifndef SMLFLT |
| 808 |
> |
float fa[3]; |
| 809 |
> |
int i; |
| 810 |
> |
|
| 811 |
> |
if (n > 3) |
| 812 |
> |
error(INTERNAL, "code error in putf()"); |
| 813 |
> |
for (i = n; i--; ) |
| 814 |
> |
fa[i] = v[i]; |
| 815 |
> |
putbinary(fa, sizeof(float), n, stdout); |
| 816 |
> |
#else |
| 817 |
> |
putbinary(v, sizeof(RREAL), n, stdout); |
| 818 |
> |
#endif |
| 819 |
|
} |
