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#include "source.h" |
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#include "otypes.h" |
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#include "resolu.h" |
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#include "random.h" |
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|
34 |
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CUBE thescene; /* our scene */ |
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OBJECT nsceneobjs; /* number of objects in our scene */ |
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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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|
38 |
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int dimlist[MAXDIM]; /* sampling dimensions */ |
39 |
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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 imm_irrad; /* compute immediate irradiance? */ |
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extern int lim_dist; /* limit distance? */ |
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|
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int imm_irrad = 0; /* compute immediate irradiance? */ |
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int lim_dist = 0; /* limit distance? */ |
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> |
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 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 hresolu; /* horizontal resolution */ |
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> |
extern int vresolu; /* vertical resolution */ |
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|
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int do_irrad = 0; /* compute irradiance? */ |
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> |
static int castonly = 0; |
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|
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int rand_samp = 0; /* pure Monte Carlo sampling? */ |
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|
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void (*trace)() = NULL; /* trace call */ |
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|
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char *tralist[128]; /* list of modifers to trace (or no) */ |
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int traincl = -1; /* include == 1, exclude == 0 */ |
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#ifndef MAXTSET |
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< |
#define MAXTSET 1024 /* maximum number in trace set */ |
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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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int hresolu = 0; /* horizontal (scan) size */ |
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int vresolu = 0; /* vertical resolution */ |
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|
63 |
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double dstrsrc = 0.0; /* square source distribution */ |
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double shadthresh = .03; /* shadow threshold */ |
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double shadcert = .75; /* shadow certainty */ |
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int directrelay = 2; /* number of source relays */ |
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int vspretest = 512; /* virtual source pretest density */ |
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int directvis = 1; /* sources visible? */ |
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double srcsizerat = .2; /* maximum ratio source size/dist. */ |
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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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|
79 |
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int backvis = 1; /* back face visibility */ |
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|
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int maxdepth = -10; /* maximum recursion depth */ |
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double minweight = 2e-3; /* minimum ray weight */ |
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|
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char *ambfile = NULL; /* ambient file name */ |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
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int ambvwt = 0; /* initial weight for ambient value */ |
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double ambacc = 0.15; /* ambient accuracy */ |
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int ambres = 256; /* ambient resolution */ |
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int ambdiv = 1024; /* ambient divisions */ |
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int ambssamp = 512; /* ambient super-samples */ |
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int ambounce = 0; /* ambient bounces */ |
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char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
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|
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static int castonly = 0; |
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|
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static RAY thisray; /* for our convenience */ |
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|
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typedef void putf_t(double v); |
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static putf_t puta, putd, putf; |
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|
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typedef void oputf_t(RAY *r); |
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static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
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static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
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oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
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|
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static void setoutput(char *vs); |
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static void tranotify(OBJECT obj); |
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extern void tranotify(OBJECT obj); |
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static void bogusray(void); |
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static void rad(FVECT org, FVECT dir, double dmax); |
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static void irrad(FVECT org, FVECT dir); |
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static void printvals(RAY *r); |
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static int getvec(FVECT vec, int fmt, FILE *fp); |
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static void tabin(RAY *r); |
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static void ourtrace(RAY *r); |
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static void rad(FVECT org, FVECT dir, double dmax); |
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static void irrad(FVECT org, FVECT dir); |
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static 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 oputf_t *ray_out[16], *every_out[16]; |
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static putf_t *putreal; |
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|
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void (*addobjnotify[])() = {ambnotify, tranotify, NULL}; |
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|
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void |
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quit( /* quit program */ |
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int code |
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) |
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{ |
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#ifndef NON_POSIX /* XXX we don't clean up elsewhere? */ |
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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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headclean(); /* delete header file */ |
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pfclean(); /* clean up persist files */ |
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#endif |
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} |
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|
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|
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< |
extern char * |
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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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default: |
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error(CONSISTENCY, "botched output format"); |
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} |
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ray_fifo_out = printvals; |
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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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|
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d = normalize(direc); |
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if (d == 0.0) { /* zero ==> flush */ |
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if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
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error(USER, "lost children"); |
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bogusray(); |
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if (--nextflush <= 0 || !vcount) { |
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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 = rand_samp ? random() : samplendx+1; |
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/* compute and print */ |
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> |
} else { /* compute and print */ |
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if (imm_irrad) |
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irrad(orig, direc); |
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else |
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rad(orig, direc, lim_dist ? d : 0.0); |
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/* flush if time */ |
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if (!--nextflush) { |
166 |
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if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
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error(USER, "lost children"); |
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fflush(stdout); |
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nextflush = hresolu; |
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} |
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if (vcount && !--vcount) /* check for end */ |
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break; |
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} |
177 |
< |
fflush(stdout); |
177 |
> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
178 |
> |
error(USER, "unable to complete processing"); |
179 |
> |
if (fflush(stdout) < 0) |
180 |
> |
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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|
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static void |
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setoutput( /* set up output tables */ |
200 |
< |
register char *vs |
200 |
> |
char *vs |
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) |
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{ |
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< |
register oputf_t **table = ray_out; |
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> |
oputf_t **table = ray_out; |
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|
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castonly = 1; |
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while (*vs) |
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*table++ = oputv; |
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castonly = 0; |
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break; |
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case 'V': /* contribution */ |
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*table++ = oputV; |
231 |
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if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
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error(WARNING, |
233 |
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"-otV accuracy depends on -aa 0 -as 0"); |
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break; |
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case 'l': /* effective distance */ |
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*table++ = oputl; |
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castonly = 0; |
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VCOPY(thisray.rorg, org); |
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VCOPY(thisray.rdir, dir); |
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thisray.rmax = dmax; |
302 |
+ |
if (ray_pnprocs > 1) { |
303 |
+ |
if (ray_fifo_in(&thisray) < 0) |
304 |
+ |
error(USER, "lost children"); |
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return; |
306 |
+ |
} |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
308 |
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if (castonly) { |
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if (!localhit(&thisray, &thescene)) { |
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sourcehit(&thisray); |
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} |
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} else |
317 |
< |
rayvalue(&thisray); |
317 |
> |
ray_trace(&thisray); |
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printvals(&thisray); |
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} |
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|
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FVECT dir |
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) |
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{ |
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< |
register int i; |
329 |
< |
|
330 |
< |
for (i = 0; i < 3; i++) { |
331 |
< |
thisray.rorg[i] = org[i] + dir[i]; |
358 |
< |
thisray.rdir[i] = -dir[i]; |
359 |
< |
} |
328 |
> |
VSUM(thisray.rorg, org, dir, 1.1e-4); |
329 |
> |
thisray.rdir[0] = -dir[0]; |
330 |
> |
thisray.rdir[1] = -dir[1]; |
331 |
> |
thisray.rdir[2] = -dir[2]; |
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thisray.rmax = 0.0; |
333 |
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rayorigin(&thisray, PRIMARY, NULL, NULL); |
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/* pretend we hit surface */ |
335 |
< |
thisray.rot = 1.0-1e-4; |
335 |
> |
thisray.rot = 1e-5; |
336 |
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thisray.rod = 1.0; |
337 |
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VCOPY(thisray.ron, dir); |
338 |
< |
for (i = 0; i < 3; i++) /* fudge factor */ |
367 |
< |
thisray.rop[i] = org[i] + 1e-4*dir[i]; |
338 |
> |
VSUM(thisray.rop, org, dir, 1e-4); |
339 |
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/* compute and print */ |
340 |
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(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
341 |
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printvals(&thisray); |
342 |
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} |
343 |
|
|
344 |
|
|
345 |
< |
static void |
345 |
> |
static int |
346 |
|
printvals( /* print requested ray values */ |
347 |
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RAY *r |
348 |
|
) |
349 |
|
{ |
350 |
< |
register oputf_t **tp; |
350 |
> |
oputf_t **tp; |
351 |
|
|
352 |
|
if (ray_out[0] == NULL) |
353 |
< |
return; |
353 |
> |
return(0); |
354 |
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for (tp = ray_out; *tp != NULL; tp++) |
355 |
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(**tp)(r); |
356 |
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if (outform == 'a') |
357 |
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putchar('\n'); |
358 |
+ |
return(1); |
359 |
|
} |
360 |
|
|
361 |
|
|
362 |
|
static int |
363 |
|
getvec( /* get a vector from fp */ |
364 |
< |
register FVECT vec, |
364 |
> |
FVECT vec, |
365 |
|
int fmt, |
366 |
|
FILE *fp |
367 |
|
) |
369 |
|
static float vf[3]; |
370 |
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static double vd[3]; |
371 |
|
char buf[32]; |
372 |
< |
register int i; |
372 |
> |
int i; |
373 |
|
|
374 |
|
switch (fmt) { |
375 |
|
case 'a': /* ascii */ |
397 |
|
} |
398 |
|
|
399 |
|
|
400 |
< |
static void |
400 |
> |
void |
401 |
|
tranotify( /* record new modifier */ |
402 |
|
OBJECT obj |
403 |
|
) |
404 |
|
{ |
405 |
|
static int hitlimit = 0; |
406 |
< |
register OBJREC *o = objptr(obj); |
407 |
< |
register char **tralp; |
406 |
> |
OBJREC *o = objptr(obj); |
407 |
> |
char **tralp; |
408 |
|
|
409 |
|
if (obj == OVOID) { /* starting over */ |
410 |
|
traset[0] = 0; |
431 |
|
RAY *r |
432 |
|
) |
433 |
|
{ |
434 |
< |
register oputf_t **tp; |
434 |
> |
oputf_t **tp; |
435 |
|
|
436 |
|
if (every_out[0] == NULL) |
437 |
|
return; |
502 |
|
|
503 |
|
|
504 |
|
static void |
505 |
+ |
oputV( /* print value contribution */ |
506 |
+ |
RAY *r |
507 |
+ |
) |
508 |
+ |
{ |
509 |
+ |
double contr[3]; |
510 |
+ |
|
511 |
+ |
raycontrib(contr, r, PRIMARY); |
512 |
+ |
multcolor(contr, r->rcol); |
513 |
+ |
(*putreal)(contr[RED]); |
514 |
+ |
(*putreal)(contr[GRN]); |
515 |
+ |
(*putreal)(contr[BLU]); |
516 |
+ |
} |
517 |
+ |
|
518 |
+ |
|
519 |
+ |
static void |
520 |
|
oputl( /* print effective distance */ |
521 |
|
RAY *r |
522 |
|
) |
621 |
|
|
622 |
|
|
623 |
|
static void |
624 |
< |
oputW( /* print contribution */ |
624 |
> |
oputW( /* print coefficient */ |
625 |
|
RAY *r |
626 |
|
) |
627 |
|
{ |
628 |
< |
COLOR contr; |
628 |
> |
double contr[3]; |
629 |
|
|
630 |
|
raycontrib(contr, r, PRIMARY); |
631 |
< |
(*putreal)(colval(contr,RED)); |
632 |
< |
(*putreal)(colval(contr,GRN)); |
633 |
< |
(*putreal)(colval(contr,BLU)); |
631 |
> |
(*putreal)(contr[RED]); |
632 |
> |
(*putreal)(contr[GRN]); |
633 |
> |
(*putreal)(contr[BLU]); |
634 |
|
} |
635 |
|
|
636 |
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