45 |
|
extern int hresolu; /* horizontal resolution */ |
46 |
|
extern int vresolu; /* vertical resolution */ |
47 |
|
|
48 |
< |
extern int castonly; /* only doing ray-casting? */ |
48 |
> |
int castonly = 0; /* only doing ray-casting? */ |
49 |
|
|
50 |
|
#ifndef MAXTSET |
51 |
|
#define MAXTSET 8191 /* maximum number in trace set */ |
69 |
|
oputw, oputW, oputm, oputM, oputtilde; |
70 |
|
|
71 |
|
extern void tranotify(OBJECT obj); |
72 |
– |
static void setoutput(char *vs); |
72 |
|
static int is_fifo(FILE *fp); |
73 |
|
static void bogusray(void); |
74 |
|
static void raycast(RAY *r); |
92 |
|
{ |
93 |
|
if (ray_pnprocs > 0) /* close children if any */ |
94 |
|
ray_pclose(0); |
95 |
+ |
else if (ray_pnprocs < 0) |
96 |
+ |
_exit(code); /* avoid flush() in child */ |
97 |
|
#ifndef NON_POSIX |
98 |
< |
else if (!ray_pnprocs) { |
98 |
> |
else { |
99 |
|
headclean(); /* delete header file */ |
100 |
|
pfclean(); /* clean up persist files */ |
101 |
|
} |
146 |
|
if (inform != 'a') |
147 |
|
SET_FILE_BINARY(inpfp); |
148 |
|
/* set up output */ |
149 |
< |
if (imm_irrad) |
149 |
< |
castonly = 0; |
150 |
< |
else if (castonly || every_out[0] != NULL) |
149 |
> |
if (castonly || every_out[0] != NULL) |
150 |
|
nproc = 1; /* don't bother multiprocessing */ |
151 |
|
if ((nextflush > 0) & (nproc > nextflush)) { |
152 |
|
error(WARNING, "reducing number of processes to match flush interval"); |
237 |
|
if (!*vs) |
238 |
|
error(USER, "empty output specification"); |
239 |
|
|
240 |
< |
castonly = 1; |
240 |
> |
castonly = 1; /* sets castonly as side-effect */ |
241 |
|
do |
242 |
|
switch (*vs) { |
243 |
|
case 'T': /* trace sources */ |
287 |
|
case 'V': /* contribution */ |
288 |
|
*table++ = oputV; |
289 |
|
ncomp += 3; |
290 |
+ |
castonly = 0; |
291 |
|
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
292 |
|
error(WARNING, |
293 |
|
"-otV accuracy depends on -aa 0 -as 0"); |
355 |
|
if (*every_out != NULL) |
356 |
|
ncomp = 0; |
357 |
|
/* compatibility */ |
358 |
+ |
if ((do_irrad | imm_irrad) && castonly) |
359 |
+ |
error(USER, "-I+ and -i+ options require some value output"); |
360 |
|
for (table = ray_out; *table != NULL; table++) { |
361 |
|
if ((*table == oputV) | (*table == oputW)) |
362 |
|
error(WARNING, "-oVW options require trace mode"); |
765 |
|
|
766 |
|
|
767 |
|
static void |
768 |
< |
oputp( /* print point */ |
768 |
> |
oputp( /* print intersection point */ |
769 |
|
RAY *r |
770 |
|
) |
771 |
|
{ |
772 |
< |
if (r->rot < FHUGE*.99) |
771 |
< |
(*putreal)(r->rop, 3); |
772 |
< |
else |
773 |
< |
(*putreal)(vdummy, 3); |
772 |
> |
(*putreal)(r->rop, 3); /* set to ray origin if distant or no hit */ |
773 |
|
} |
774 |
|
|
775 |
|
|
778 |
|
RAY *r |
779 |
|
) |
780 |
|
{ |
781 |
< |
if (r->rot < FHUGE*.99) { |
783 |
< |
if (r->rflips & 1) { /* undo any flippin' flips */ |
784 |
< |
FVECT unrm; |
785 |
< |
unrm[0] = -r->ron[0]; |
786 |
< |
unrm[1] = -r->ron[1]; |
787 |
< |
unrm[2] = -r->ron[2]; |
788 |
< |
(*putreal)(unrm, 3); |
789 |
< |
} else |
790 |
< |
(*putreal)(r->ron, 3); |
791 |
< |
} else |
781 |
> |
if (r->ro == NULL) { /* zero vector if clipped or no hit */ |
782 |
|
(*putreal)(vdummy, 3); |
783 |
+ |
return; |
784 |
+ |
} |
785 |
+ |
if (r->rflips & 1) { /* undo any flippin' flips */ |
786 |
+ |
FVECT unrm; |
787 |
+ |
unrm[0] = -r->ron[0]; |
788 |
+ |
unrm[1] = -r->ron[1]; |
789 |
+ |
unrm[2] = -r->ron[2]; |
790 |
+ |
(*putreal)(unrm, 3); |
791 |
+ |
} else |
792 |
+ |
(*putreal)(r->ron, 3); |
793 |
|
} |
794 |
|
|
795 |
|
|
800 |
|
{ |
801 |
|
FVECT pnorm; |
802 |
|
|
803 |
< |
if (r->rot >= FHUGE*.99) { |
803 |
> |
if (r->ro == NULL) { /* clipped or no hit */ |
804 |
|
(*putreal)(vdummy, 3); |
805 |
|
return; |
806 |
|
} |