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/* Copyright (c) 1995 Regents of the University of California */ |
2 |
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|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
5 |
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* Make illum sources for optimizing rendering process |
6 |
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*/ |
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|
11 |
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#include "mkillum.h" |
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|
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#include <signal.h> |
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|
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#include <ctype.h> |
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|
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#include "mkillum.h" |
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|
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/* default parameters */ |
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#define SAMPDENS 48 /* points per projected steradian */ |
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#define NSAMPS 32 /* samples per point */ |
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#define S_COMPL 2 /* select all but element */ |
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#define S_ALL 3 /* select all */ |
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|
28 |
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/* rtrace command and defaults */ |
29 |
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char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
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"-ab", "2", "-ad", "256", "-as", "128", "-aa", ".15", }; |
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int rtargc = 14; |
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/* overriding rtrace options */ |
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char *myrtopts[] = { "-I-", "-i-", "-ov", "-h-", "-fff", "-y", "0", NULL }; |
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|
35 |
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struct rtproc rt; /* our rtrace process */ |
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|
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struct illum_args thisillum = { /* our illum and default values */ |
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0, |
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UDzpos, |
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0., |
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DFLMAT, |
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DFLDAT, |
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0, |
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VOIDID, |
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SAMPDENS, |
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NSAMPS, |
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NULL, |
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0., |
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}; |
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|
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char matcheck[MAXSTR]; /* current material to include or exclude */ |
39 |
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int matselect = S_ALL; /* selection criterion */ |
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|
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FUN ofun[NUMOTYPE] = INIT_OTYPE; /* object types */ |
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|
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int gargc; /* global argc */ |
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char **gargv; /* global argv */ |
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#define progname gargv[0] |
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|
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int doneheader = 0; /* printed header yet? */ |
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#define checkhead() if (!doneheader++) printhead(gargc,gargv) |
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|
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int warnings = 1; /* print warnings? */ |
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|
49 |
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extern char *fgetline(), *fgetword(), *sskip(), |
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*atos(), *iskip(), *fskip(), *strcpy(); |
51 |
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extern FILE *popen(); |
49 |
> |
void init(char *octnm, int np); |
50 |
> |
void filter(register FILE *infp, char *name); |
51 |
> |
void xoptions(char *s, char *nm); |
52 |
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void printopts(void); |
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void printhead(register int ac, register char **av); |
54 |
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void xobject(FILE *fp, char *nm); |
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|
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|
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main(argc, argv) /* compute illum distributions using rtrace */ |
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int argc; |
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char *argv[]; |
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int |
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main( /* compute illum distributions using rtrace */ |
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int argc, |
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char *argv[] |
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) |
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{ |
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extern char *getenv(), *getpath(); |
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char *rtpath; |
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int nprocs = 1; |
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FILE *fp; |
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int rval; |
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register int i; |
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/* set global arguments */ |
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gargv = argv; |
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/* set up rtrace command */ |
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progname = gargv[0]; |
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/* set up rendering defaults */ |
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dstrsrc = 0.25; |
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directrelay = 3; |
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directvis = 0; |
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ambounce = 2; |
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/* get options from command line */ |
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for (i = 1; i < argc; i++) { |
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if (argv[i][0] == '<' && argv[i][1] == '\0') |
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while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
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if (rval < 0) { |
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sprintf(errmsg, "cannot expand '%s'", argv[i]); |
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error(SYSTEM, errmsg); |
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} |
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if (argv[i][0] != '-') |
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break; |
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rtargv[rtargc++] = argv[i]; |
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if (argv[i][0] == '-' && argv[i][1] == 'w') |
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switch (argv[i][2]) { |
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case '\0': |
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warnings = !warnings; |
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break; |
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case '+': |
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case 'T': case 't': |
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case 'Y': case 'y': |
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case '1': |
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warnings = 1; |
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break; |
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case '-': |
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case 'F': case 'f': |
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case 'N': case 'n': |
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case '0': |
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warnings = 0; |
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break; |
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} |
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} |
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gargc = i; |
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rtargc--; |
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for (i = 0; myrtopts[i] != NULL; i++) |
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rtargv[rtargc++] = myrtopts[i]; |
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rtargv[rtargc++] = argv[gargc-1]; |
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rtargv[rtargc] = NULL; |
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/* just asking for defaults? */ |
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if (!strcmp(argv[gargc-1], "-defaults")) { |
109 |
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printopts(); fflush(stdout); |
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rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
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if (rtpath == NULL) { |
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eputs(rtargv[0]); |
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eputs(": command not found\n"); |
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exit(1); |
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if (!strcmp(argv[i], "-w")) { |
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warnings = 0; |
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continue; |
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} |
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execv(rtpath, rtargv); |
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perror(rtpath); |
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exit(1); |
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if (!strcmp(argv[i], "-n")) { |
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nprocs = atoi(argv[++i]); |
91 |
> |
if (nprocs <= 0) |
92 |
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error(USER, "illegal number of processes"); |
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> |
continue; |
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} |
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if (!strcmp(argv[i], "-defaults")) { |
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printopts(); |
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print_rdefaults(); |
98 |
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quit(0); |
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} |
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rval = getrenderopt(argc-i, argv+i); |
101 |
> |
if (rval < 0) { |
102 |
> |
sprintf(errmsg, "bad render option at '%s'", argv[i]); |
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error(USER, errmsg); |
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} |
105 |
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i += rval; |
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} |
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if (gargc < 2 || argv[gargc-1][0] == '-') |
107 |
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gargc = ++i; |
108 |
> |
/* add "mandatory" render options */ |
109 |
> |
do_irrad = 0; |
110 |
> |
if (gargc > argc || argv[gargc-1][0] == '-') |
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error(USER, "missing octree argument"); |
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/* else initialize and run our calculation */ |
113 |
< |
init(); |
114 |
< |
if (gargc+1 < argc) |
113 |
> |
init(argv[gargc-1], nprocs); |
114 |
> |
if (gargc < argc) { |
115 |
> |
if (gargc == argc-1 || argv[gargc][0] != '<' || argv[gargc][1]) |
116 |
> |
error(USER, "use '< file1 file2 ..' for multiple inputs"); |
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for (i = gargc+1; i < argc; i++) { |
118 |
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if ((fp = fopen(argv[i], "r")) == NULL) { |
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sprintf(errmsg, |
123 |
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filter(fp, argv[i]); |
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fclose(fp); |
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} |
126 |
< |
else |
126 |
> |
} else |
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filter(stdin, "standard input"); |
128 |
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quit(0); |
129 |
+ |
return 0; /* pro forma return */ |
130 |
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} |
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|
132 |
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|
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< |
quit(status) /* exit with status */ |
134 |
< |
int status; |
133 |
> |
void |
134 |
> |
init(char *octnm, int np) /* start rendering process(es) */ |
135 |
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{ |
143 |
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int rtstat; |
144 |
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|
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rtstat = close_process(rt.pd); |
146 |
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if (status == 0) |
147 |
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if (rtstat < 0) |
148 |
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error(WARNING, |
149 |
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"unknown return status from rtrace process"); |
150 |
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else |
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status = rtstat; |
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exit(status); |
153 |
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} |
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|
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|
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init() /* start rtrace and set up buffers */ |
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{ |
158 |
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extern int o_face(), o_sphere(), o_ring(); |
159 |
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int maxbytes; |
160 |
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/* set up object functions */ |
161 |
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ofun[OBJ_FACE].funp = o_face; |
162 |
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ofun[OBJ_SPHERE].funp = o_sphere; |
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ofun[OBJ_RING].funp = o_ring; |
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/* set up signal handling */ |
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signal(SIGINT, quit); |
138 |
+ |
#ifdef SIGHUP |
139 |
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signal(SIGHUP, quit); |
140 |
+ |
#endif |
141 |
+ |
#ifdef SIGTERM |
142 |
+ |
signal(SIGTERM, quit); |
143 |
+ |
#endif |
144 |
+ |
#ifdef SIGPIPE |
145 |
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signal(SIGPIPE, quit); |
146 |
< |
/* start rtrace process */ |
147 |
< |
errno = 0; |
148 |
< |
maxbytes = open_process(rt.pd, rtargv); |
169 |
< |
if (maxbytes == 0) { |
170 |
< |
eputs(rtargv[0]); |
171 |
< |
eputs(": command not found\n"); |
172 |
< |
exit(1); |
173 |
< |
} |
174 |
< |
if (maxbytes < 0) |
175 |
< |
error(SYSTEM, "cannot start rtrace process"); |
176 |
< |
rt.bsiz = maxbytes/(6*sizeof(float)); |
177 |
< |
rt.buf = (float *)malloc(6*sizeof(float)*rt.bsiz--); |
178 |
< |
rt.dest = (float **)malloc(sizeof(float *)*rt.bsiz); |
179 |
< |
if (rt.buf == NULL || rt.dest == NULL) |
180 |
< |
error(SYSTEM, "out of memory in init"); |
181 |
< |
rt.nrays = 0; |
182 |
< |
/* set up urand */ |
183 |
< |
initurand(16384); |
146 |
> |
#endif |
147 |
> |
/* start rendering process(es) */ |
148 |
> |
ray_pinit(octnm, np); |
149 |
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} |
150 |
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|
151 |
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|
152 |
< |
eputs(s) /* put string to stderr */ |
153 |
< |
register char *s; |
152 |
> |
void |
153 |
> |
eputs( /* put string to stderr */ |
154 |
> |
register char *s |
155 |
> |
) |
156 |
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{ |
157 |
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static int midline = 0; |
158 |
|
|
166 |
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} |
167 |
|
|
168 |
|
|
169 |
+ |
void |
170 |
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wputs(s) /* print warning if enabled */ |
171 |
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char *s; |
172 |
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{ |
175 |
|
} |
176 |
|
|
177 |
|
|
178 |
< |
filter(infp, name) /* process stream */ |
179 |
< |
register FILE *infp; |
180 |
< |
char *name; |
178 |
> |
void |
179 |
> |
filter( /* process stream */ |
180 |
> |
register FILE *infp, |
181 |
> |
char *name |
182 |
> |
) |
183 |
|
{ |
184 |
|
char buf[512]; |
185 |
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FILE *pfp; |
209 |
|
} |
210 |
|
|
211 |
|
|
212 |
< |
xoptions(s, nm) /* process options in string s */ |
213 |
< |
char *s; |
214 |
< |
char *nm; |
212 |
> |
void |
213 |
> |
xoptions( /* process options in string s */ |
214 |
> |
char *s, |
215 |
> |
char *nm |
216 |
> |
) |
217 |
|
{ |
218 |
|
extern FILE *freopen(); |
219 |
|
char buf[64]; |
220 |
+ |
int negax; |
221 |
|
int nerrs = 0; |
222 |
|
register char *cp; |
223 |
|
|
231 |
|
case ' ': |
232 |
|
case '\t': |
233 |
|
case '\n': |
234 |
+ |
case '\r': |
235 |
+ |
case '\f': |
236 |
|
cp++; |
237 |
|
continue; |
238 |
|
case 'm': /* material name */ |
297 |
|
} |
298 |
|
cp = sskip(cp); |
299 |
|
continue; |
300 |
< |
case 'd': /* point sample density */ |
300 |
> |
case 'd': /* sample density / BSDF data */ |
301 |
|
if (*++cp != '=') |
302 |
|
break; |
303 |
< |
if (!isintd(++cp, " \t\n")) |
304 |
< |
break; |
305 |
< |
thisillum.sampdens = atoi(cp); |
303 |
> |
if (thisillum.sd != NULL) { |
304 |
> |
free_BSDF(thisillum.sd); |
305 |
> |
thisillum.sd = NULL; |
306 |
> |
} |
307 |
> |
if (!*++cp || isspace(*cp)) |
308 |
> |
continue; |
309 |
> |
if (isintd(cp, " \t\n\r")) { |
310 |
> |
thisillum.sampdens = atoi(cp); |
311 |
> |
} else { |
312 |
> |
atos(buf, sizeof(buf), cp); |
313 |
> |
thisillum.sd = load_BSDF(buf); |
314 |
> |
if (thisillum.sd == NULL) |
315 |
> |
break; |
316 |
> |
} |
317 |
|
cp = sskip(cp); |
318 |
|
continue; |
319 |
< |
case 's': /* point super-samples */ |
319 |
> |
case 's': /* surface super-samples */ |
320 |
|
if (*++cp != '=') |
321 |
|
break; |
322 |
< |
if (!isintd(++cp, " \t\n")) |
322 |
> |
if (!isintd(++cp, " \t\n\r")) |
323 |
|
break; |
324 |
|
thisillum.nsamps = atoi(cp); |
325 |
|
cp = sskip(cp); |
337 |
|
case 'b': /* brightness */ |
338 |
|
if (*++cp != '=') |
339 |
|
break; |
340 |
< |
if (!isfltd(++cp, " \t\n")) |
340 |
> |
if (!isfltd(++cp, " \t\n\r")) |
341 |
|
break; |
342 |
|
thisillum.minbrt = atof(cp); |
343 |
|
if (thisillum.minbrt < 0.) |
358 |
|
} |
359 |
|
doneheader = 0; |
360 |
|
continue; |
361 |
+ |
case 'u': /* up direction */ |
362 |
+ |
if (*++cp != '=') |
363 |
+ |
break; |
364 |
+ |
if (!*++cp || isspace(*cp)) { |
365 |
+ |
thisillum.udir = UDunknown; |
366 |
+ |
continue; |
367 |
+ |
} |
368 |
+ |
negax = 0; |
369 |
+ |
if (*cp == '+') |
370 |
+ |
cp++; |
371 |
+ |
else if (*cp == '-') { |
372 |
+ |
negax++; |
373 |
+ |
cp++; |
374 |
+ |
} |
375 |
+ |
switch (*cp++) { |
376 |
+ |
case 'x': |
377 |
+ |
case 'X': |
378 |
+ |
thisillum.udir = negax ? UDxneg : UDxpos; |
379 |
+ |
break; |
380 |
+ |
case 'y': |
381 |
+ |
case 'Y': |
382 |
+ |
thisillum.udir = negax ? UDyneg : UDypos; |
383 |
+ |
break; |
384 |
+ |
case 'z': |
385 |
+ |
case 'Z': |
386 |
+ |
thisillum.udir = negax ? UDzneg : UDzpos; |
387 |
+ |
break; |
388 |
+ |
default: |
389 |
+ |
thisillum.udir = UDunknown; |
390 |
+ |
break; |
391 |
+ |
} |
392 |
+ |
if (thisillum.udir == UDunknown || !isspace(*cp)) |
393 |
+ |
break; |
394 |
+ |
continue; |
395 |
+ |
case 't': /* object thickness */ |
396 |
+ |
if (*++cp != '=') |
397 |
+ |
break; |
398 |
+ |
if (!isfltd(++cp, " \t\n\r")) |
399 |
+ |
break; |
400 |
+ |
thisillum.thick = atof(cp); |
401 |
+ |
if (thisillum.thick < .0) |
402 |
+ |
thisillum.thick = .0; |
403 |
+ |
cp = sskip(cp); |
404 |
+ |
continue; |
405 |
|
case '!': /* processed file! */ |
406 |
|
sprintf(errmsg, "(%s): already processed!", nm); |
407 |
|
error(WARNING, errmsg); |
409 |
|
return; |
410 |
|
} |
411 |
|
opterr: /* skip faulty option */ |
412 |
< |
cp = sskip(cp); |
412 |
> |
while (*cp && !isspace(*cp)) |
413 |
> |
cp++; |
414 |
|
nerrs++; |
415 |
|
} |
416 |
|
/* print header? */ |
428 |
|
printf("# %s", s+2); |
429 |
|
} |
430 |
|
|
431 |
< |
|
432 |
< |
printopts() /* print out option default values */ |
431 |
> |
void |
432 |
> |
printopts(void) /* print out option default values */ |
433 |
|
{ |
434 |
|
printf("m=%-15s\t\t# material name\n", thisillum.matname); |
435 |
|
printf("f=%-15s\t\t# data file name\n", thisillum.datafile); |
444 |
|
printf("l+\t\t\t\t# light type on\n"); |
445 |
|
else |
446 |
|
printf("l-\t\t\t\t# light type off\n"); |
447 |
< |
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
448 |
< |
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
447 |
> |
printf("d=%d\t\t\t\t# density of directions\n", thisillum.sampdens); |
448 |
> |
printf("s=%d\t\t\t\t# samples per direction\n", thisillum.nsamps); |
449 |
|
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
450 |
+ |
switch (thisillum.udir) { |
451 |
+ |
case UDzneg: |
452 |
+ |
fputs("u=-Z\t\t\t\t# up is negative Z\n", stdout); |
453 |
+ |
break; |
454 |
+ |
case UDyneg: |
455 |
+ |
fputs("u=-Y\t\t\t\t# up is negative Y\n", stdout); |
456 |
+ |
break; |
457 |
+ |
case UDxneg: |
458 |
+ |
fputs("u=-X\t\t\t\t# up is negative X\n", stdout); |
459 |
+ |
break; |
460 |
+ |
case UDxpos: |
461 |
+ |
fputs("u=+X\t\t\t\t# up is positive X\n", stdout); |
462 |
+ |
break; |
463 |
+ |
case UDypos: |
464 |
+ |
fputs("u=+Y\t\t\t\t# up is positive Y\n", stdout); |
465 |
+ |
break; |
466 |
+ |
case UDzpos: |
467 |
+ |
fputs("u=+Z\t\t\t\t# up is positive Z\n", stdout); |
468 |
+ |
break; |
469 |
+ |
case UDunknown: |
470 |
+ |
break; |
471 |
+ |
} |
472 |
+ |
printf("t=%f\t\t\t# object thickness\n", thisillum.thick); |
473 |
|
} |
474 |
|
|
475 |
|
|
476 |
< |
printhead(ac, av) /* print out header */ |
477 |
< |
register int ac; |
478 |
< |
register char **av; |
476 |
> |
void |
477 |
> |
printhead( /* print out header */ |
478 |
> |
register int ac, |
479 |
> |
register char **av |
480 |
> |
) |
481 |
|
{ |
482 |
|
putchar('#'); |
483 |
|
while (ac-- > 0) { |
488 |
|
} |
489 |
|
|
490 |
|
|
491 |
< |
xobject(fp, nm) /* translate an object from fp */ |
492 |
< |
FILE *fp; |
493 |
< |
char *nm; |
491 |
> |
void |
492 |
> |
xobject( /* translate an object from fp */ |
493 |
> |
FILE *fp, |
494 |
> |
char *nm |
495 |
> |
) |
496 |
|
{ |
497 |
|
OBJREC thisobj; |
498 |
|
char str[MAXSTR]; |
503 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
504 |
|
goto readerr; |
505 |
|
/* is it an alias? */ |
506 |
< |
if (!strcmp(str, ALIASID)) { |
506 |
> |
if (!strcmp(str, ALIASKEY)) { |
507 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
508 |
|
goto readerr; |
509 |
< |
printf("\n%s %s %s", thisillum.altmat, ALIASID, str); |
509 |
> |
printf("\n%s %s %s", thisillum.altmat, ALIASKEY, str); |
510 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
511 |
|
goto readerr; |
512 |
|
printf("\t%s\n", str); |
543 |
|
checkhead(); |
544 |
|
/* process object */ |
545 |
|
if (doit) |
546 |
< |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
546 |
> |
switch (thisobj.otype) { |
547 |
> |
case OBJ_FACE: |
548 |
> |
my_face(&thisobj, &thisillum, nm); |
549 |
> |
break; |
550 |
> |
case OBJ_SPHERE: |
551 |
> |
my_sphere(&thisobj, &thisillum, nm); |
552 |
> |
break; |
553 |
> |
case OBJ_RING: |
554 |
> |
my_ring(&thisobj, &thisillum, nm); |
555 |
> |
break; |
556 |
> |
default: |
557 |
> |
my_default(&thisobj, &thisillum, nm); |
558 |
> |
break; |
559 |
> |
} |
560 |
|
else |
561 |
|
printobj(thisillum.altmat, &thisobj); |
562 |
|
/* free arguments */ |
563 |
|
freefargs(&thisobj.oargs); |
564 |
|
return; |
565 |
|
readerr: |
566 |
< |
sprintf(errmsg, "(%s): error reading scene", nm); |
566 |
> |
sprintf(errmsg, "(%s): error reading input", nm); |
567 |
|
error(USER, errmsg); |
568 |
|
} |