23 |
|
#define S_COMPL 2 /* select all but element */ |
24 |
|
#define S_ALL 3 /* select all */ |
25 |
|
|
26 |
– |
/* rtrace command and defaults */ |
27 |
– |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
28 |
– |
"-ab", "2", "-ad", "1024", "-as", "512", "-aa", ".1", }; |
29 |
– |
int rtargc = 14; |
30 |
– |
/* overriding rtrace options */ |
31 |
– |
char *myrtopts[] = { "-I-", "-i-", "-ld-", "-ov", "-h-", |
32 |
– |
"-fff", "-y", "0", NULL }; |
33 |
– |
|
34 |
– |
struct rtproc rt0; /* head of rtrace process list */ |
35 |
– |
|
26 |
|
struct illum_args thisillum = { /* our illum and default values */ |
27 |
|
0, |
28 |
|
DFLMAT, |
37 |
|
char matcheck[MAXSTR]; /* current material to include or exclude */ |
38 |
|
int matselect = S_ALL; /* selection criterion */ |
39 |
|
|
50 |
– |
FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
51 |
– |
|
52 |
– |
char persistfn[] = "pfXXXXXX"; /* persist file name */ |
53 |
– |
|
40 |
|
int gargc; /* global argc */ |
41 |
|
char **gargv; /* global argv */ |
56 |
– |
#define progname gargv[0] |
42 |
|
|
43 |
|
int doneheader = 0; /* printed header yet? */ |
44 |
|
#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
45 |
|
|
46 |
|
int warnings = 1; /* print warnings? */ |
47 |
|
|
48 |
< |
void init(int np); |
48 |
> |
void init(char *octnm, int np); |
49 |
|
void filter(register FILE *infp, char *name); |
50 |
|
void xoptions(char *s, char *nm); |
51 |
|
void printopts(void); |
60 |
|
) |
61 |
|
{ |
62 |
|
int nprocs = 1; |
78 |
– |
char *rtpath; |
63 |
|
FILE *fp; |
64 |
+ |
int rval; |
65 |
|
register int i; |
66 |
|
/* set global arguments */ |
67 |
|
gargv = argv; |
68 |
< |
/* check for -n option */ |
69 |
< |
if (!strcmp(argv[1], "-n")) { |
70 |
< |
nprocs = atoi(argv[2]); |
71 |
< |
if (nprocs <= 0) |
72 |
< |
error(USER, "illegal number of processes"); |
73 |
< |
i = 3; |
74 |
< |
} else |
75 |
< |
i = 1; |
76 |
< |
/* set up rtrace command */ |
77 |
< |
for ( ; i < argc; i++) { |
78 |
< |
if (argv[i][0] == '<' && argv[i][1] == '\0') |
68 |
> |
progname = gargv[0]; |
69 |
> |
/* set up rendering defaults */ |
70 |
> |
dstrsrc = 0.25; |
71 |
> |
directrelay = 3; |
72 |
> |
directvis = 0; |
73 |
> |
ambounce = 2; |
74 |
> |
/* get options from command line */ |
75 |
> |
for (i = 1; i < argc-1; i++) { |
76 |
> |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
77 |
> |
; |
78 |
> |
if (rval < 0) { |
79 |
> |
sprintf(errmsg, "cannot expand '%s'", argv[i]); |
80 |
> |
error(SYSTEM, errmsg); |
81 |
> |
} |
82 |
> |
if (argv[i][0] != '-') |
83 |
|
break; |
84 |
< |
rtargv[rtargc++] = argv[i]; |
85 |
< |
if (argv[i][0] == '-' && argv[i][1] == 'w') |
86 |
< |
switch (argv[i][2]) { |
98 |
< |
case '\0': |
99 |
< |
warnings = !warnings; |
100 |
< |
break; |
101 |
< |
case '+': |
102 |
< |
case 'T': case 't': |
103 |
< |
case 'Y': case 'y': |
104 |
< |
case '1': |
105 |
< |
warnings = 1; |
106 |
< |
break; |
107 |
< |
case '-': |
108 |
< |
case 'F': case 'f': |
109 |
< |
case 'N': case 'n': |
110 |
< |
case '0': |
111 |
< |
warnings = 0; |
112 |
< |
break; |
113 |
< |
} |
114 |
< |
} |
115 |
< |
gargc = i; |
116 |
< |
if (!strcmp(rtargv[--rtargc], "-defaults")) |
117 |
< |
nprocs = 0; |
118 |
< |
if (nprocs > 1) { /* add persist file if parallel invocation */ |
119 |
< |
rtargv[rtargc++] = "-PP"; |
120 |
< |
rtargv[rtargc++] = mktemp(persistfn); |
121 |
< |
} |
122 |
< |
/* add "mandatory" rtrace options */ |
123 |
< |
for (i = 0; myrtopts[i] != NULL; i++) |
124 |
< |
rtargv[rtargc++] = myrtopts[i]; |
125 |
< |
/* finally, put back final argument */ |
126 |
< |
rtargv[rtargc++] = argv[gargc-1]; |
127 |
< |
rtargv[rtargc] = NULL; |
128 |
< |
if (!nprocs) { /* just asking for defaults? */ |
129 |
< |
printopts(); fflush(stdout); |
130 |
< |
rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
131 |
< |
if (rtpath == NULL) { |
132 |
< |
eputs(rtargv[0]); |
133 |
< |
eputs(": command not found\n"); |
134 |
< |
exit(1); |
84 |
> |
if (!strcmp(argv[i], "-w")) { |
85 |
> |
warnings = 0; |
86 |
> |
continue; |
87 |
|
} |
88 |
< |
execv(rtpath, rtargv); |
89 |
< |
perror(rtpath); /* execv() should not return */ |
90 |
< |
exit(1); |
88 |
> |
if (!strcmp(argv[i], "-n")) { |
89 |
> |
nprocs = atoi(argv[++i]); |
90 |
> |
if (nprocs <= 0) |
91 |
> |
error(USER, "illegal number of processes"); |
92 |
> |
continue; |
93 |
> |
} |
94 |
> |
if (!strcmp(argv[i], "-defaults")) { |
95 |
> |
printopts(); |
96 |
> |
print_rdefaults(); |
97 |
> |
quit(0); |
98 |
> |
} |
99 |
> |
rval = getrenderopt(argc-i, argv+i); |
100 |
> |
if (rval < 0) { |
101 |
> |
sprintf(errmsg, "bad render option at '%s'", argv[i]); |
102 |
> |
error(USER, errmsg); |
103 |
> |
} |
104 |
> |
i += rval; |
105 |
|
} |
106 |
< |
if (gargc < 2 || argv[gargc-1][0] == '-') |
106 |
> |
gargc = ++i; |
107 |
> |
/* add "mandatory" render options */ |
108 |
> |
do_irrad = 0; |
109 |
> |
if (gargc > argc || argv[gargc-1][0] == '-') |
110 |
|
error(USER, "missing octree argument"); |
111 |
|
/* else initialize and run our calculation */ |
112 |
< |
init(nprocs); |
113 |
< |
if (gargc+1 < argc) |
112 |
> |
init(argv[gargc-1], nprocs); |
113 |
> |
if (gargc < argc) { |
114 |
> |
if (gargc == argc-1 || argv[gargc][0] != '<' || argv[gargc][1]) |
115 |
> |
error(USER, "Use '< file1 file2 ..' for multiple inputs"); |
116 |
|
for (i = gargc+1; i < argc; i++) { |
117 |
|
if ((fp = fopen(argv[i], "r")) == NULL) { |
118 |
|
sprintf(errmsg, |
122 |
|
filter(fp, argv[i]); |
123 |
|
fclose(fp); |
124 |
|
} |
125 |
< |
else |
125 |
> |
} else |
126 |
|
filter(stdin, "standard input"); |
127 |
|
quit(0); |
128 |
+ |
return 0; /* pro forma return */ |
129 |
|
} |
130 |
|
|
159 |
– |
static void |
160 |
– |
killpersist(void) /* kill persistent process */ |
161 |
– |
{ |
162 |
– |
FILE *fp = fopen(persistfn, "r"); |
163 |
– |
int pid; |
131 |
|
|
165 |
– |
if (fp == NULL) |
166 |
– |
return; |
167 |
– |
if (fscanf(fp, "%*s %d", &pid) != 1 || kill(pid, SIGALRM) < 0) |
168 |
– |
unlink(persistfn); |
169 |
– |
fclose(fp); |
170 |
– |
} |
171 |
– |
|
132 |
|
void |
133 |
< |
quit(int status) /* exit with status */ |
133 |
> |
init(char *octnm, int np) /* start rendering process(es) */ |
134 |
|
{ |
175 |
– |
struct rtproc *rtp; |
176 |
– |
int rtstat; |
177 |
– |
|
178 |
– |
if (rt0.next != NULL) /* terminate persistent rtrace */ |
179 |
– |
killpersist(); |
180 |
– |
/* clean up rtrace process(es) */ |
181 |
– |
for (rtp = &rt0; rtp != NULL; rtp = rtp->next) { |
182 |
– |
rtstat = close_process(&rtp->pd); |
183 |
– |
if (status == 0) { |
184 |
– |
if (rtstat < 0) |
185 |
– |
error(WARNING, |
186 |
– |
"unknown return status from rtrace process"); |
187 |
– |
else |
188 |
– |
status = rtstat; |
189 |
– |
} |
190 |
– |
} |
191 |
– |
exit(status); |
192 |
– |
} |
193 |
– |
|
194 |
– |
void |
195 |
– |
init(int np) /* start rtrace and set up buffers */ |
196 |
– |
{ |
197 |
– |
struct rtproc *rtp; |
198 |
– |
int i; |
199 |
– |
int maxbytes; |
200 |
– |
/* set up object functions */ |
201 |
– |
ofun[OBJ_FACE].funp = o_face; |
202 |
– |
ofun[OBJ_SPHERE].funp = o_sphere; |
203 |
– |
ofun[OBJ_RING].funp = o_ring; |
135 |
|
/* set up signal handling */ |
136 |
< |
#ifdef SIGPIPE /* not present on Windows */ |
136 |
> |
signal(SIGINT, quit); |
137 |
> |
#ifdef SIGHUP |
138 |
> |
signal(SIGHUP, quit); |
139 |
> |
#endif |
140 |
> |
#ifdef SIGTERM |
141 |
> |
signal(SIGTERM, quit); |
142 |
> |
#endif |
143 |
> |
#ifdef SIGPIPE |
144 |
|
signal(SIGPIPE, quit); |
145 |
|
#endif |
146 |
< |
rtp = &rt0; /* start rtrace process(es) */ |
147 |
< |
for (i = 0; i++ < np; ) { |
210 |
< |
errno = 0; |
211 |
< |
maxbytes = open_process(&rtp->pd, rtargv); |
212 |
< |
if (maxbytes == 0) { |
213 |
< |
eputs(rtargv[0]); |
214 |
< |
eputs(": command not found\n"); |
215 |
< |
exit(1); |
216 |
< |
} |
217 |
< |
if (maxbytes < 0) |
218 |
< |
error(SYSTEM, "cannot start rtrace process"); |
219 |
< |
if (!i && np > 1) |
220 |
< |
sleep(2); /* wait for persist file */ |
221 |
< |
rtp->bsiz = maxbytes/(6*sizeof(float)); |
222 |
< |
rtp->buf = (float *)malloc(6*sizeof(float)*rtp->bsiz--); |
223 |
< |
rtp->dest = (float **)calloc(rtp->bsiz, sizeof(float *)); |
224 |
< |
if (rtp->buf == NULL || rtp->dest == NULL) |
225 |
< |
error(SYSTEM, "out of memory in init"); |
226 |
< |
rtp->nrays = 0; |
227 |
< |
if (i == np) /* last process? */ |
228 |
< |
break; |
229 |
< |
rtp->next = (struct rtproc *)malloc(sizeof(struct rtproc)); |
230 |
< |
if (rtp->next == NULL) |
231 |
< |
error(SYSTEM, "out of memory in init"); |
232 |
< |
rtp = rtp->next; |
233 |
< |
} |
234 |
< |
rtp->next = NULL; |
235 |
< |
/* set up urand */ |
236 |
< |
initurand(16384); |
146 |
> |
/* start rendering process(es) */ |
147 |
> |
ray_pinit(octnm, np); |
148 |
|
} |
149 |
|
|
150 |
|
|
463 |
|
checkhead(); |
464 |
|
/* process object */ |
465 |
|
if (doit) |
466 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt0, nm); |
466 |
> |
switch (thisobj.otype) { |
467 |
> |
case OBJ_FACE: |
468 |
> |
my_face(&thisobj, &thisillum, nm); |
469 |
> |
break; |
470 |
> |
case OBJ_SPHERE: |
471 |
> |
my_sphere(&thisobj, &thisillum, nm); |
472 |
> |
break; |
473 |
> |
case OBJ_RING: |
474 |
> |
my_ring(&thisobj, &thisillum, nm); |
475 |
> |
break; |
476 |
> |
default: |
477 |
> |
my_default(&thisobj, &thisillum, nm); |
478 |
> |
break; |
479 |
> |
} |
480 |
|
else |
481 |
|
printobj(thisillum.altmat, &thisobj); |
482 |
|
/* free arguments */ |
483 |
|
freefargs(&thisobj.oargs); |
484 |
|
return; |
485 |
|
readerr: |
486 |
< |
sprintf(errmsg, "(%s): error reading scene", nm); |
486 |
> |
sprintf(errmsg, "(%s): error reading input", nm); |
487 |
|
error(USER, errmsg); |
488 |
|
} |