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#include "source.h" |
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#include "otypes.h" |
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#include "resolu.h" |
32 |
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#include "random.h" |
33 |
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|
34 |
< |
CUBE thescene; /* our scene */ |
35 |
< |
OBJECT nsceneobjs; /* number of objects in our scene */ |
34 |
> |
extern int inform; /* input format */ |
35 |
> |
extern int outform; /* output format */ |
36 |
> |
extern char *outvals; /* output values */ |
37 |
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|
38 |
< |
int dimlist[MAXDIM]; /* sampling dimensions */ |
39 |
< |
int ndims = 0; /* number of sampling dimensions */ |
38 |
< |
int samplendx = 0; /* index for this sample */ |
38 |
> |
extern int imm_irrad; /* compute immediate irradiance? */ |
39 |
> |
extern int lim_dist; /* limit distance? */ |
40 |
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|
41 |
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int imm_irrad = 0; /* compute immediate irradiance? */ |
42 |
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int lim_dist = 0; /* limit distance? */ |
41 |
> |
extern char *tralist[]; /* list of modifers to trace (or no) */ |
42 |
> |
extern int traincl; /* include == 1, exclude == 0 */ |
43 |
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|
44 |
< |
int inform = 'a'; /* input format */ |
45 |
< |
int outform = 'a'; /* output format */ |
45 |
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char *outvals = "v"; /* output specification */ |
44 |
> |
extern int hresolu; /* horizontal resolution */ |
45 |
> |
extern int vresolu; /* vertical resolution */ |
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|
47 |
< |
int do_irrad = 0; /* compute irradiance? */ |
47 |
> |
static int castonly = 0; |
48 |
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|
49 |
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void (*trace)() = NULL; /* trace call */ |
50 |
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|
51 |
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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 |
50 |
< |
#define MAXTSET 1024 /* maximum number in trace set */ |
50 |
> |
#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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|
58 |
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int hresolu = 0; /* horizontal (scan) size */ |
59 |
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int vresolu = 0; /* vertical resolution */ |
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|
61 |
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double dstrsrc = 0.0; /* square source distribution */ |
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double shadthresh = .03; /* shadow threshold */ |
63 |
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double shadcert = .75; /* shadow certainty */ |
64 |
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int directrelay = 2; /* number of source relays */ |
65 |
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int vspretest = 512; /* virtual source pretest density */ |
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int directvis = 1; /* sources visible? */ |
67 |
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double srcsizerat = .2; /* maximum ratio source size/dist. */ |
68 |
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|
69 |
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COLOR cextinction = BLKCOLOR; /* global extinction coefficient */ |
70 |
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COLOR salbedo = BLKCOLOR; /* global scattering albedo */ |
71 |
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double seccg = 0.; /* global scattering eccentricity */ |
72 |
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double ssampdist = 0.; /* scatter sampling distance */ |
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|
74 |
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double specthresh = .15; /* specular sampling threshold */ |
75 |
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double specjitter = 1.; /* specular sampling jitter */ |
76 |
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|
77 |
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int backvis = 1; /* back face visibility */ |
78 |
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|
79 |
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int maxdepth = -10; /* maximum recursion depth */ |
80 |
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double minweight = 2e-3; /* minimum ray weight */ |
81 |
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|
82 |
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char *ambfile = NULL; /* ambient file name */ |
83 |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
84 |
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int ambvwt = 0; /* initial weight for ambient value */ |
85 |
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double ambacc = 0.15; /* ambient accuracy */ |
86 |
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int ambres = 256; /* ambient resolution */ |
87 |
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int ambdiv = 1024; /* ambient divisions */ |
88 |
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int ambssamp = 512; /* ambient super-samples */ |
89 |
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int ambounce = 0; /* ambient bounces */ |
90 |
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char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
91 |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
92 |
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|
93 |
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static int castonly = 0; |
94 |
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|
54 |
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static RAY thisray; /* for our convenience */ |
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|
56 |
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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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|
63 |
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static void setoutput(char *vs); |
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< |
static void tranotify(OBJECT obj); |
64 |
> |
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); |
68 |
< |
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); |
71 |
< |
static void ourtrace(RAY *r); |
66 |
> |
static void rad(FVECT org, FVECT dir, double dmax); |
67 |
> |
static void irrad(FVECT org, FVECT dir); |
68 |
> |
static int printvals(RAY *r); |
69 |
> |
static int getvec(FVECT vec, int fmt, FILE *fp); |
70 |
> |
static void tabin(RAY *r); |
71 |
> |
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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|
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void |
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quit( /* quit program */ |
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int code |
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) |
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{ |
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#ifndef NON_POSIX /* XXX we don't clean up elsewhere? */ |
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headclean(); /* delete header file */ |
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< |
pfclean(); /* clean up persist files */ |
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> |
if (ray_pnprocs > 0) /* close children if any */ |
83 |
> |
ray_pclose(0); |
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> |
#ifndef NON_POSIX |
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> |
else if (!ray_pnprocs) { |
86 |
> |
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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|
93 |
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|
94 |
< |
extern char * |
94 |
> |
char * |
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formstr( /* return format identifier */ |
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int f |
97 |
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) |
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default: |
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error(CONSISTENCY, "botched output format"); |
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} |
142 |
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if (ray_pnprocs > 1) |
143 |
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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 */ |
155 |
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if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
156 |
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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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} |
162 |
< |
} else { |
198 |
< |
samplendx++; |
199 |
< |
/* compute and print */ |
162 |
> |
} else { /* compute and print */ |
163 |
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if (imm_irrad) |
164 |
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irrad(orig, direc); |
165 |
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else |
166 |
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rad(orig, direc, lim_dist ? d : 0.0); |
167 |
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/* flush if time */ |
168 |
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if (!--nextflush) { |
169 |
+ |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
170 |
+ |
error(USER, "lost children"); |
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fflush(stdout); |
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nextflush = hresolu; |
173 |
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} |
177 |
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if (vcount && !--vcount) /* check for end */ |
178 |
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break; |
179 |
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} |
180 |
< |
fflush(stdout); |
180 |
> |
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
181 |
> |
error(USER, "unable to complete processing"); |
182 |
> |
if (fflush(stdout) < 0) |
183 |
> |
error(SYSTEM, "write error"); |
184 |
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if (vcount) |
185 |
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error(USER, "unexpected EOF on input"); |
186 |
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if (fname != NULL) |
200 |
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|
201 |
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static void |
202 |
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setoutput( /* set up output tables */ |
203 |
< |
register char *vs |
203 |
> |
char *vs |
204 |
|
) |
205 |
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{ |
206 |
< |
register oputf_t **table = ray_out; |
206 |
> |
oputf_t **table = ray_out; |
207 |
|
|
208 |
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castonly = 1; |
209 |
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while (*vs) |
229 |
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*table++ = oputv; |
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castonly = 0; |
231 |
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break; |
232 |
+ |
case 'V': /* contribution */ |
233 |
+ |
*table++ = oputV; |
234 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
235 |
+ |
error(WARNING, |
236 |
+ |
"-otV accuracy depends on -aa 0 -as 0"); |
237 |
+ |
break; |
238 |
|
case 'l': /* effective distance */ |
239 |
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*table++ = oputl; |
240 |
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castonly = 0; |
302 |
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VCOPY(thisray.rorg, org); |
303 |
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VCOPY(thisray.rdir, dir); |
304 |
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thisray.rmax = dmax; |
305 |
+ |
if (!castonly && ray_pnprocs > 1) { |
306 |
+ |
if (ray_fifo_in(&thisray) < 0) |
307 |
+ |
error(USER, "lost children"); |
308 |
+ |
return; |
309 |
+ |
} |
310 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
311 |
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if (castonly) { |
312 |
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if (!localhit(&thisray, &thescene)) { |
317 |
|
sourcehit(&thisray); |
318 |
|
} |
319 |
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} else |
320 |
< |
rayvalue(&thisray); |
320 |
> |
ray_trace(&thisray); |
321 |
|
printvals(&thisray); |
322 |
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} |
323 |
|
|
328 |
|
FVECT dir |
329 |
|
) |
330 |
|
{ |
331 |
< |
register int i; |
332 |
< |
|
333 |
< |
for (i = 0; i < 3; i++) { |
334 |
< |
thisray.rorg[i] = org[i] + dir[i]; |
356 |
< |
thisray.rdir[i] = -dir[i]; |
357 |
< |
} |
331 |
> |
VSUM(thisray.rorg, org, dir, 1.1e-4); |
332 |
> |
thisray.rdir[0] = -dir[0]; |
333 |
> |
thisray.rdir[1] = -dir[1]; |
334 |
> |
thisray.rdir[2] = -dir[2]; |
335 |
|
thisray.rmax = 0.0; |
336 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
337 |
|
/* pretend we hit surface */ |
338 |
< |
thisray.rot = 1.0-1e-4; |
338 |
> |
thisray.rot = 1e-5; |
339 |
|
thisray.rod = 1.0; |
340 |
|
VCOPY(thisray.ron, dir); |
341 |
< |
for (i = 0; i < 3; i++) /* fudge factor */ |
365 |
< |
thisray.rop[i] = org[i] + 1e-4*dir[i]; |
341 |
> |
VSUM(thisray.rop, org, dir, 1e-4); |
342 |
|
/* compute and print */ |
343 |
|
(*ofun[Lamb.otype].funp)(&Lamb, &thisray); |
344 |
|
printvals(&thisray); |
345 |
|
} |
346 |
|
|
347 |
|
|
348 |
< |
static void |
348 |
> |
static int |
349 |
|
printvals( /* print requested ray values */ |
350 |
|
RAY *r |
351 |
|
) |
352 |
|
{ |
353 |
< |
register oputf_t **tp; |
353 |
> |
oputf_t **tp; |
354 |
|
|
355 |
|
if (ray_out[0] == NULL) |
356 |
< |
return; |
356 |
> |
return(0); |
357 |
|
for (tp = ray_out; *tp != NULL; tp++) |
358 |
|
(**tp)(r); |
359 |
|
if (outform == 'a') |
360 |
|
putchar('\n'); |
361 |
+ |
return(1); |
362 |
|
} |
363 |
|
|
364 |
|
|
365 |
|
static int |
366 |
|
getvec( /* get a vector from fp */ |
367 |
< |
register FVECT vec, |
367 |
> |
FVECT vec, |
368 |
|
int fmt, |
369 |
|
FILE *fp |
370 |
|
) |
372 |
|
static float vf[3]; |
373 |
|
static double vd[3]; |
374 |
|
char buf[32]; |
375 |
< |
register int i; |
375 |
> |
int i; |
376 |
|
|
377 |
|
switch (fmt) { |
378 |
|
case 'a': /* ascii */ |
386 |
|
case 'f': /* binary float */ |
387 |
|
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
388 |
|
return(-1); |
389 |
< |
vec[0] = vf[0]; vec[1] = vf[1]; vec[2] = vf[2]; |
389 |
> |
VCOPY(vec, vf); |
390 |
|
break; |
391 |
|
case 'd': /* binary double */ |
392 |
|
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
393 |
|
return(-1); |
394 |
< |
vec[0] = vd[0]; vec[1] = vd[1]; vec[2] = vd[2]; |
394 |
> |
VCOPY(vec, vd); |
395 |
|
break; |
396 |
|
default: |
397 |
|
error(CONSISTENCY, "botched input format"); |
400 |
|
} |
401 |
|
|
402 |
|
|
403 |
< |
static void |
403 |
> |
void |
404 |
|
tranotify( /* record new modifier */ |
405 |
|
OBJECT obj |
406 |
|
) |
407 |
|
{ |
408 |
|
static int hitlimit = 0; |
409 |
< |
register OBJREC *o = objptr(obj); |
410 |
< |
register char **tralp; |
409 |
> |
OBJREC *o = objptr(obj); |
410 |
> |
char **tralp; |
411 |
|
|
412 |
|
if (obj == OVOID) { /* starting over */ |
413 |
|
traset[0] = 0; |
434 |
|
RAY *r |
435 |
|
) |
436 |
|
{ |
437 |
< |
register oputf_t **tp; |
437 |
> |
oputf_t **tp; |
438 |
|
|
439 |
|
if (every_out[0] == NULL) |
440 |
|
return; |
505 |
|
|
506 |
|
|
507 |
|
static void |
508 |
+ |
oputV( /* print value contribution */ |
509 |
+ |
RAY *r |
510 |
+ |
) |
511 |
+ |
{ |
512 |
+ |
double contr[3]; |
513 |
+ |
|
514 |
+ |
raycontrib(contr, r, PRIMARY); |
515 |
+ |
multcolor(contr, r->rcol); |
516 |
+ |
(*putreal)(contr[RED]); |
517 |
+ |
(*putreal)(contr[GRN]); |
518 |
+ |
(*putreal)(contr[BLU]); |
519 |
+ |
} |
520 |
+ |
|
521 |
+ |
|
522 |
+ |
static void |
523 |
|
oputl( /* print effective distance */ |
524 |
|
RAY *r |
525 |
|
) |
624 |
|
|
625 |
|
|
626 |
|
static void |
627 |
< |
oputW( /* print contribution */ |
627 |
> |
oputW( /* print coefficient */ |
628 |
|
RAY *r |
629 |
|
) |
630 |
|
{ |
631 |
< |
COLOR contr; |
631 |
> |
double contr[3]; |
632 |
|
|
633 |
|
raycontrib(contr, r, PRIMARY); |
634 |
< |
(*putreal)(colval(contr,RED)); |
635 |
< |
(*putreal)(colval(contr,GRN)); |
636 |
< |
(*putreal)(colval(contr,BLU)); |
634 |
> |
(*putreal)(contr[RED]); |
635 |
> |
(*putreal)(contr[GRN]); |
636 |
> |
(*putreal)(contr[BLU]); |
637 |
|
} |
638 |
|
|
639 |
|
|