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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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* xorg yorg zorg xdir ydir zdir |
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* |
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* The direction need not be normalized. Output is flexible. |
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* If the direction vector is (0,0,0), then the output is flushed. |
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* All values default to ascii representation of real |
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* numbers. Binary representations can be selected |
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* with '-ff' for float or '-fd' for double. By default, |
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* radiance is computed. The '-i' option indicates that |
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* radiance is computed. The '-i' or '-I' options indicate that |
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* irradiance values are desired. |
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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 "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 "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 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 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 hresolu = 0; /* horizontal (scan) size */ |
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int vresolu = 0; /* vertical resolution */ |
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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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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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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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int maxdepth = 6; /* maximum recursion depth */ |
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double minweight = 4e-3; /* minimum ray weight */ |
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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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COLOR ambval = BLKCOLOR; /* 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 = 128; /* 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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static int castonly = 0; |
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|
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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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static RAY thisray; /* for our convenience */ |
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|
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extern int oputo(), oputd(), oputv(), oputl(), |
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oputp(), 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 (*ray_out[10])(), (*every_out[10])(); |
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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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extern 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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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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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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rtrace(fname) /* trace rays from file */ |
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char *fname; |
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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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long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
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long nextflush = hresolu; |
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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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int nproc |
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) |
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{ |
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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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if (inform != 'a') |
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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; |
138 |
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else if (castonly) |
139 |
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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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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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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) |
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error(USER, "zero direction vector"); |
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/* compute and print */ |
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if (outvals[0] == 'i') |
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irrad(orig, direc); |
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else |
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radiance(orig, direc); |
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/* flush if requested */ |
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if (--nextflush == 0) { |
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fflush(stdout); |
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nextflush = hresolu; |
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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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something2flush = 0; |
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nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
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hresolu; |
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} else |
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bogusray(); |
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} else { /* compute and print */ |
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rtcompute(orig, direc, lim_dist ? d : 0.0); |
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/* flush if time */ |
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if (!--nextflush) { |
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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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fflush(stdout); |
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nextflush = hresolu; |
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} else |
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something2flush = 1; |
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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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if (vcount && !--vcount) /* check for end */ |
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break; |
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} |
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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 (ray_pnprocs > 1) { /* clean up children */ |
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if (ray_fifo_flush() < 0) |
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error(USER, "unable to complete processing"); |
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ray_pclose(0); |
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} |
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if (fflush(stdout) < 0) |
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error(SYSTEM, "write error"); |
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> |
if (vcount) |
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error(USER, "unexpected EOF on input"); |
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if (fname != NULL) |
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fclose(fp); |
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} |
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|
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|
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setoutput(vs) /* set up output tables */ |
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register char *vs; |
211 |
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static void |
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trace_sources(void) /* trace rays to light sources, also */ |
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{ |
214 |
< |
extern int ourtrace(), (*trace)(); |
215 |
< |
register int (**table)() = ray_out; |
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> |
int sn; |
215 |
> |
|
216 |
> |
for (sn = 0; sn < nsources; sn++) |
217 |
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source[sn].sflags |= SFOLLOW; |
218 |
> |
} |
219 |
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|
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|
221 |
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static void |
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setoutput( /* set up output tables */ |
223 |
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char *vs |
224 |
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) |
225 |
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{ |
226 |
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oputf_t **table = ray_out; |
227 |
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|
228 |
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castonly = 1; |
229 |
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while (*vs) |
230 |
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switch (*vs++) { |
231 |
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case 'T': /* trace sources */ |
232 |
+ |
if (!*vs) break; |
233 |
+ |
trace_sources(); |
234 |
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/* fall through */ |
235 |
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case 't': /* trace */ |
236 |
+ |
if (!*vs) break; |
237 |
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*table = NULL; |
238 |
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table = every_out; |
239 |
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trace = ourtrace; |
240 |
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castonly = 0; |
241 |
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break; |
242 |
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case 'o': /* origin */ |
243 |
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*table++ = oputo; |
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 |
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break; |
252 |
+ |
case 'R': /* reflected distance */ |
253 |
+ |
*table++ = oputR; |
254 |
+ |
castonly = 0; |
255 |
+ |
break; |
256 |
+ |
case 'x': /* xmit contrib. */ |
257 |
+ |
*table++ = oputx; |
258 |
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castonly = 0; |
259 |
+ |
break; |
260 |
+ |
case 'X': /* xmit distance */ |
261 |
+ |
*table++ = oputX; |
262 |
+ |
castonly = 0; |
263 |
+ |
break; |
264 |
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case 'v': /* value */ |
265 |
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*table++ = oputv; |
266 |
+ |
castonly = 0; |
267 |
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break; |
268 |
< |
case 'l': /* length */ |
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 |
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*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; |
285 |
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case 'p': /* point */ |
286 |
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*table++ = oputp; |
287 |
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break; |
288 |
< |
case 'n': /* normal */ |
288 |
> |
case 'n': /* perturbed normal */ |
289 |
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*table++ = oputn; |
290 |
+ |
castonly = 0; |
291 |
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break; |
292 |
+ |
case 'N': /* unperturbed normal */ |
293 |
+ |
*table++ = oputN; |
294 |
+ |
break; |
295 |
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case 's': /* surface */ |
296 |
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*table++ = oputs; |
297 |
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break; |
298 |
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case 'w': /* weight */ |
299 |
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*table++ = oputw; |
300 |
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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 |
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} |
320 |
|
|
321 |
|
|
322 |
< |
radiance(org, dir) /* compute radiance value */ |
323 |
< |
FVECT org, dir; |
322 |
> |
static void |
323 |
> |
bogusray(void) /* print out empty record */ |
324 |
|
{ |
325 |
< |
register int (**tp)(); |
325 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
326 |
> |
printvals(&thisray); |
327 |
> |
} |
328 |
|
|
170 |
– |
VCOPY(thisray.rorg, org); |
171 |
– |
VCOPY(thisray.rdir, dir); |
172 |
– |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
173 |
– |
rayvalue(&thisray); |
329 |
|
|
330 |
< |
if (ray_out[0] == NULL) |
331 |
< |
return; |
332 |
< |
for (tp = ray_out; *tp != NULL; tp++) |
333 |
< |
(**tp)(&thisray); |
334 |
< |
if (outform == 'a') |
335 |
< |
putchar('\n'); |
330 |
> |
static void |
331 |
> |
raycast( /* compute first ray intersection only */ |
332 |
> |
RAY *r |
333 |
> |
) |
334 |
> |
{ |
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 irradiance value */ |
346 |
< |
FVECT org, dir; |
345 |
> |
static void |
346 |
> |
rayirrad( /* compute irradiance rather than radiance */ |
347 |
> |
RAY *r |
348 |
> |
) |
349 |
|
{ |
350 |
< |
static double Lambfa[5] = {PI, PI, PI, 0.0, 0.0}; |
351 |
< |
static OBJREC Lamb = { |
352 |
< |
OVOID, MAT_PLASTIC, "Lambertian", |
353 |
< |
{0, 5, NULL, Lambfa}, NULL, -1, |
354 |
< |
}; |
355 |
< |
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; |
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]; |
395 |
< |
/* compute and print */ |
396 |
< |
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
397 |
< |
oputv(&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 |
> |
static int |
400 |
> |
printvals( /* print requested ray values */ |
401 |
> |
RAY *r |
402 |
> |
) |
403 |
> |
{ |
404 |
> |
oputf_t **tp; |
405 |
> |
|
406 |
> |
if (ray_out[0] == NULL) |
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 |
|
{ |
423 |
|
static float vf[3]; |
424 |
+ |
static double vd[3]; |
425 |
+ |
char buf[32]; |
426 |
+ |
int i; |
427 |
|
|
428 |
|
switch (fmt) { |
429 |
|
case 'a': /* ascii */ |
430 |
< |
if (fscanf(fp, "%lf %lf %lf", vec, vec+1, vec+2) != 3) |
431 |
< |
return(-1); |
430 |
> |
for (i = 0; i < 3; i++) { |
431 |
> |
if (fgetword(buf, sizeof(buf), fp) == NULL || |
432 |
> |
!isflt(buf)) |
433 |
> |
return(-1); |
434 |
> |
vec[i] = atof(buf); |
435 |
> |
} |
436 |
|
break; |
437 |
|
case 'f': /* binary float */ |
438 |
< |
if (fread(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(vec, sizeof(double), 3, fp) != 3) |
443 |
> |
if (getbinary(vd, sizeof(double), 3, fp) != 3) |
444 |
|
return(-1); |
445 |
+ |
VCOPY(vec, vd); |
446 |
|
break; |
447 |
+ |
default: |
448 |
+ |
error(CONSISTENCY, "botched input format"); |
449 |
|
} |
450 |
|
return(0); |
451 |
|
} |
452 |
|
|
453 |
|
|
454 |
< |
static |
455 |
< |
ourtrace(r) /* print ray values */ |
456 |
< |
RAY *r; |
454 |
> |
void |
455 |
> |
tranotify( /* record new modifier */ |
456 |
> |
OBJECT obj |
457 |
> |
) |
458 |
|
{ |
459 |
< |
register int (**tp)(); |
459 |
> |
static int hitlimit = 0; |
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++) |
471 |
+ |
if (!strcmp(o->oname, *tralp)) { |
472 |
+ |
if (traset[0] >= MAXTSET) { |
473 |
+ |
error(WARNING, "too many modifiers in trace list"); |
474 |
+ |
hitlimit++; |
475 |
+ |
return; /* should this be fatal? */ |
476 |
+ |
} |
477 |
+ |
insertelem(traset, obj); |
478 |
+ |
return; |
479 |
+ |
} |
480 |
+ |
} |
481 |
+ |
|
482 |
+ |
|
483 |
+ |
static void |
484 |
+ |
ourtrace( /* print ray values */ |
485 |
+ |
RAY *r |
486 |
+ |
) |
487 |
+ |
{ |
488 |
+ |
oputf_t **tp; |
489 |
+ |
|
490 |
|
if (every_out[0] == NULL) |
491 |
|
return; |
492 |
+ |
if (r->ro == NULL) { |
493 |
+ |
if (traincl == 1) |
494 |
+ |
return; |
495 |
+ |
} else if (traincl != -1 && traincl != inset(traset, r->ro->omod)) |
496 |
+ |
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]); |
270 |
< |
(*putreal)(r->rorg[1]); |
271 |
< |
(*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]); |
280 |
< |
(*putreal)(r->rdir[1]); |
281 |
< |
(*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 |
< |
(*putreal)(colval(r->rcol,RED)); |
541 |
< |
(*putreal)(colval(r->rcol,GRN)); |
542 |
< |
(*putreal)(colval(r->rcol,BLU)); |
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 |
< |
static |
550 |
< |
oputl(r) /* print length */ |
551 |
< |
register RAY *r; |
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 |
+ |
putbinary(cout, sizeof(cout), 1, stdout); |
595 |
+ |
return; |
596 |
+ |
} |
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 void |
605 |
+ |
oputV( /* print value contribution */ |
606 |
+ |
RAY *r |
607 |
+ |
) |
608 |
+ |
{ |
609 |
+ |
RREAL contr[3]; |
610 |
+ |
|
611 |
+ |
raycontrib(contr, r, PRIMARY); |
612 |
+ |
multcolor(contr, r->rcol); |
613 |
+ |
(*putreal)(contr, 3); |
614 |
+ |
} |
615 |
+ |
|
616 |
+ |
|
617 |
+ |
static void |
618 |
+ |
oputl( /* print effective distance */ |
619 |
+ |
RAY *r |
620 |
+ |
) |
621 |
+ |
{ |
622 |
+ |
RREAL d = raydistance(r); |
623 |
+ |
|
624 |
+ |
(*putreal)(&d, 1); |
625 |
+ |
} |
626 |
+ |
|
627 |
+ |
|
628 |
+ |
static void |
629 |
+ |
oputL( /* print single ray length */ |
630 |
+ |
RAY *r |
631 |
+ |
) |
632 |
+ |
{ |
633 |
+ |
(*putreal)(&r->rot, 1); |
634 |
+ |
} |
635 |
+ |
|
636 |
+ |
|
637 |
+ |
static void |
638 |
+ |
oputc( /* print local coordinates */ |
639 |
+ |
RAY *r |
640 |
+ |
) |
641 |
+ |
{ |
642 |
+ |
(*putreal)(r->uv, 2); |
643 |
+ |
} |
644 |
+ |
|
645 |
+ |
|
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->rot); |
655 |
> |
(*putreal)(r->rop, 3); |
656 |
|
else |
657 |
< |
(*putreal)(0.0); |
657 |
> |
(*putreal)(vdummy, 3); |
658 |
|
} |
659 |
|
|
660 |
|
|
661 |
< |
static |
662 |
< |
oputp(r) /* print point */ |
663 |
< |
register RAY *r; |
661 |
> |
static void |
662 |
> |
oputN( /* print unperturbed normal */ |
663 |
> |
RAY *r |
664 |
> |
) |
665 |
|
{ |
666 |
< |
if (r->rot < FHUGE) { |
667 |
< |
(*putreal)(r->rop[0]); |
668 |
< |
(*putreal)(r->rop[1]); |
669 |
< |
(*putreal)(r->rop[2]); |
314 |
< |
} else { |
315 |
< |
(*putreal)(0.0); |
316 |
< |
(*putreal)(0.0); |
317 |
< |
(*putreal)(0.0); |
318 |
< |
} |
666 |
> |
if (r->rot < FHUGE) |
667 |
> |
(*putreal)(r->ron, 3); |
668 |
> |
else |
669 |
> |
(*putreal)(vdummy, 3); |
670 |
|
} |
671 |
|
|
672 |
|
|
673 |
< |
static |
674 |
< |
oputn(r) /* print normal */ |
675 |
< |
register RAY *r; |
673 |
> |
static void |
674 |
> |
oputn( /* print perturbed normal */ |
675 |
> |
RAY *r |
676 |
> |
) |
677 |
|
{ |
678 |
< |
if (r->rot < FHUGE) { |
679 |
< |
(*putreal)(r->ron[0]); |
680 |
< |
(*putreal)(r->ron[1]); |
681 |
< |
(*putreal)(r->ron[2]); |
682 |
< |
} else { |
331 |
< |
(*putreal)(0.0); |
332 |
< |
(*putreal)(0.0); |
333 |
< |
(*putreal)(0.0); |
678 |
> |
FVECT pnorm; |
679 |
> |
|
680 |
> |
if (r->rot >= FHUGE) { |
681 |
> |
(*putreal)(vdummy, 3); |
682 |
> |
return; |
683 |
|
} |
684 |
+ |
raynormal(pnorm, r); |
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 |
< |
fputs(objptr(r->ro->omod)->oname, stdout); |
735 |
> |
if (r->ro->omod != OVOID) |
736 |
> |
fputs(objptr(r->ro->omod)->oname, stdout); |
737 |
> |
else |
738 |
> |
fputs(VOIDID, stdout); |
739 |
|
else |
740 |
|
putchar('*'); |
741 |
|
putchar('\t'); |
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(&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(&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 |
|
} |