78 |
|
* restarted at any point by calling ray_init() on a new |
79 |
|
* octree. |
80 |
|
* |
81 |
< |
* The call ray_save(rp) allocates and returns a buffer |
81 |
> |
* The call ray_save(rp) fills a parameter structure |
82 |
|
* with the current global parameter settings, which may be |
83 |
|
* restored at any time with a call to ray_restore(rp). |
84 |
|
* This buffer contains no linked information, and thus |
90 |
|
* same as the defaults for rtrace.) |
91 |
|
*/ |
92 |
|
|
93 |
< |
#include "ray.h" |
93 |
> |
#include <string.h> |
94 |
|
|
95 |
+ |
#include "ray.h" |
96 |
|
#include "source.h" |
96 |
– |
|
97 |
|
#include "ambient.h" |
98 |
– |
|
98 |
|
#include "otypes.h" |
100 |
– |
|
99 |
|
#include "random.h" |
102 |
– |
|
100 |
|
#include "data.h" |
104 |
– |
|
101 |
|
#include "font.h" |
102 |
|
|
103 |
|
char *progname = "unknown_app"; /* caller sets to argv[0] */ |
116 |
|
void (*trace)() = NULL; /* trace call */ |
117 |
|
|
118 |
|
extern void ambnotify(); |
119 |
< |
void (*addobjnotify[])() = {ambnotify, NULL}; |
119 |
> |
void (*addobjnotify[8])() = {ambnotify, NULL}; |
120 |
|
|
121 |
|
int do_irrad = 0; /* compute irradiance? */ |
122 |
|
|
123 |
|
double dstrsrc = 0.0; /* square source distribution */ |
124 |
< |
double shadthresh = .05; /* shadow threshold */ |
125 |
< |
double shadcert = .5; /* shadow certainty */ |
124 |
> |
double shadthresh = .03; /* shadow threshold */ |
125 |
> |
double shadcert = .75; /* shadow certainty */ |
126 |
|
int directrelay = 2; /* number of source relays */ |
127 |
|
int vspretest = 512; /* virtual source pretest density */ |
128 |
|
int directvis = 1; /* sources visible? */ |
138 |
|
|
139 |
|
int backvis = 1; /* back face visibility */ |
140 |
|
|
141 |
< |
int maxdepth = 6; /* maximum recursion depth */ |
142 |
< |
double minweight = 4e-3; /* minimum ray weight */ |
141 |
> |
int maxdepth = 8; /* maximum recursion depth */ |
142 |
> |
double minweight = 2e-3; /* minimum ray weight */ |
143 |
|
|
144 |
|
char *ambfile = NULL; /* ambient file name */ |
145 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
146 |
|
int ambvwt = 0; /* initial weight for ambient value */ |
147 |
< |
double ambacc = 0.2; /* ambient accuracy */ |
148 |
< |
int ambres = 128; /* ambient resolution */ |
149 |
< |
int ambdiv = 512; /* ambient divisions */ |
150 |
< |
int ambssamp = 0; /* ambient super-samples */ |
147 |
> |
double ambacc = 0.1; /* ambient accuracy */ |
148 |
> |
int ambres = 256; /* ambient resolution */ |
149 |
> |
int ambdiv = 1024; /* ambient divisions */ |
150 |
> |
int ambssamp = 512; /* ambient super-samples */ |
151 |
|
int ambounce = 0; /* ambient bounces */ |
152 |
|
char *amblist[AMBLLEN+1]; /* ambient include/exclude list */ |
153 |
|
int ambincl = -1; /* include == 1, exclude == 0 */ |
163 |
|
if (ofun[OBJ_SPHERE].funp == o_default) |
164 |
|
initotypes(); |
165 |
|
/* initialize urand */ |
166 |
< |
if (urperm == NULL) |
171 |
< |
initurand(2048); |
166 |
> |
initurand(2048); |
167 |
|
/* read scene octree */ |
168 |
|
readoct(octname = otnm, ~(IO_FILES|IO_INFO), &thescene, NULL); |
169 |
|
nsceneobjs = nobjects; |
174 |
|
/* ready to go... */ |
175 |
|
} |
176 |
|
|
182 |
– |
|
177 |
|
void |
178 |
< |
ray_trace(RAY *r) /* trace a primary ray */ |
178 |
> |
ray_trace(r) /* trace a primary ray */ |
179 |
> |
RAY *r; |
180 |
|
{ |
181 |
|
rayorigin(r, NULL, PRIMARY, 1.0); |
182 |
|
samplendx++; |
237 |
|
rp->maxdepth = maxdepth; |
238 |
|
rp->minweight = minweight; |
239 |
|
copycolor(rp->ambval, ambval); |
240 |
< |
bzero(rp->ambfile, sizeof(rp->ambfile)); |
240 |
> |
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
241 |
|
if (ambfile != NULL) |
242 |
|
strncpy(rp->ambfile, ambfile, sizeof(rp->ambfile)-1); |
243 |
|
rp->ambvwt = ambvwt; |
247 |
|
rp->ambssamp = ambssamp; |
248 |
|
rp->ambounce = ambounce; |
249 |
|
rp->ambincl = ambincl; |
250 |
< |
bzero(rp->amblval, sizeof(rp->amblval)); |
250 |
> |
memset(rp->amblval, '\0', sizeof(rp->amblval)); |
251 |
|
ndx = 0; |
252 |
|
for (i = 0; i < AMBLLEN && amblist[i] != NULL; i++) { |
253 |
|
int len = strlen(amblist[i]); |
339 |
|
|
340 |
|
rp->do_irrad = 0; |
341 |
|
rp->dstrsrc = 0.0; |
342 |
< |
rp->shadthresh = .05; |
343 |
< |
rp->shadcert = .5; |
342 |
> |
rp->shadthresh = .03; |
343 |
> |
rp->shadcert = .75; |
344 |
|
rp->directrelay = 2; |
345 |
|
rp->vspretest = 512; |
346 |
|
rp->directvis = 1; |
352 |
|
rp->specthresh = .15; |
353 |
|
rp->specjitter = 1.; |
354 |
|
rp->backvis = 1; |
355 |
< |
rp->maxdepth = 6; |
356 |
< |
rp->minweight = 4e-3; |
355 |
> |
rp->maxdepth = 8; |
356 |
> |
rp->minweight = 2e-3; |
357 |
|
setcolor(rp->ambval, 0., 0., 0.); |
358 |
< |
bzero(rp->ambfile, sizeof(rp->ambfile)); |
358 |
> |
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
359 |
|
rp->ambvwt = 0; |
360 |
< |
rp->ambres = 128; |
361 |
< |
rp->ambacc = 0.2; |
362 |
< |
rp->ambdiv = 512; |
363 |
< |
rp->ambssamp = 0; |
360 |
> |
rp->ambres = 256; |
361 |
> |
rp->ambacc = 0.1; |
362 |
> |
rp->ambdiv = 1024; |
363 |
> |
rp->ambssamp = 512; |
364 |
|
rp->ambounce = 0; |
365 |
|
rp->ambincl = -1; |
366 |
< |
bzero(rp->amblval, sizeof(rp->amblval)); |
366 |
> |
memset(rp->amblval, '\0', sizeof(rp->amblval)); |
367 |
|
for (i = AMBLLEN+1; i--; ) |
368 |
|
rp->amblndx[i] = -1; |
369 |
|
} |