| 8 |
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#include <signal.h> |
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#include <ctype.h> |
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+ |
#include "paths.h" /* win_popen() */ |
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#include "mkillum.h" |
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/* default parameters */ |
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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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int warnings = 1; /* print warnings? */ |
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void init(char *octnm, int np); |
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< |
void filter(register FILE *infp, char *name); |
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> |
void filter(FILE *infp, char *name); |
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void xoptions(char *s, char *nm); |
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void printopts(void); |
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< |
void printhead(register int ac, register char **av); |
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> |
void printhead(int ac, char **av); |
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void xobject(FILE *fp, char *nm); |
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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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> |
int i; |
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/* set global arguments */ |
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gargv = argv; |
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progname = gargv[0]; |
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/* set up rendering defaults */ |
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dstrsrc = 0.5; |
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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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void |
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eputs( /* put string to stderr */ |
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< |
register char *s |
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> |
char *s |
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) |
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{ |
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static int midline = 0; |
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int ec; |
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{ |
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if (ray_pnprocs > 0) /* close children if any */ |
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< |
ray_pclose(0); |
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> |
ray_pclose(0); |
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> |
else if (ray_pnprocs < 0) |
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> |
_exit(ec); /* avoid flush() in child */ |
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exit(ec); |
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} |
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void |
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filter( /* process stream */ |
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< |
register FILE *infp, |
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> |
FILE *infp, |
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char *name |
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) |
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{ |
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char buf[512]; |
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FILE *pfp; |
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< |
register int c; |
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> |
int c; |
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while ((c = getc(infp)) != EOF) { |
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if (isspace(c)) |
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char *nm |
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) |
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{ |
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extern FILE *freopen(); |
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char buf[64]; |
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int negax; |
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int nerrs = 0; |
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< |
register char *cp; |
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> |
char *cp; |
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if (strncmp(s, "#@mkillum", 9) || !isspace(s[9])) { |
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fputs(s, stdout); /* not for us */ |
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} |
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cp = sskip(cp); |
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continue; |
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< |
case 'd': /* sample density / BSDF data */ |
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> |
case 'd': /* sample density */ |
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if (*++cp != '=') |
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break; |
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if (thisillum.sd != NULL) { |
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free_BSDF(thisillum.sd); |
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thisillum.sd = NULL; |
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} |
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if (!*++cp || isspace(*cp)) |
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continue; |
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if (isintd(cp, " \t\n\r")) { |
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thisillum.sampdens = atoi(cp); |
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} else { |
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< |
atos(buf, sizeof(buf), cp); |
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< |
thisillum.sd = load_BSDF(buf); |
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< |
if (thisillum.sd == NULL) |
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< |
break; |
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> |
error(WARNING, "direct BSDF input unsupported"); |
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> |
goto opterr; |
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} |
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cp = sskip(cp); |
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continue; |
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} |
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doneheader = 0; |
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continue; |
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– |
case 'u': /* up direction */ |
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if (*++cp != '=') |
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break; |
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if (!*++cp || isspace(*cp)) { |
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thisillum.udir = UDunknown; |
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continue; |
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} |
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negax = 0; |
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if (*cp == '+') |
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cp++; |
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else if (*cp == '-') { |
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negax++; |
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cp++; |
| 384 |
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} |
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switch (*cp++) { |
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case 'x': |
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– |
case 'X': |
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thisillum.udir = negax ? UDxneg : UDxpos; |
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– |
break; |
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case 'y': |
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– |
case 'Y': |
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thisillum.udir = negax ? UDyneg : UDypos; |
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– |
break; |
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case 'z': |
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– |
case 'Z': |
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thisillum.udir = negax ? UDzneg : UDzpos; |
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break; |
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default: |
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– |
thisillum.udir = UDunknown; |
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– |
break; |
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– |
} |
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– |
if (thisillum.udir == UDunknown || !isspace(*cp)) |
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– |
break; |
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– |
continue; |
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– |
case 't': /* object thickness */ |
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– |
if (*++cp != '=') |
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break; |
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– |
if (!isfltd(++cp, " \t\n\r")) |
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– |
break; |
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– |
thisillum.thick = atof(cp); |
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– |
if (thisillum.thick < .0) |
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– |
thisillum.thick = .0; |
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– |
cp = sskip(cp); |
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– |
continue; |
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case '!': /* processed file! */ |
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sprintf(errmsg, "(%s): already processed!", nm); |
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error(WARNING, errmsg); |
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printf("d=%d\t\t\t\t# density of directions\n", thisillum.sampdens); |
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printf("s=%d\t\t\t\t# samples per direction\n", thisillum.nsamps); |
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printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
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– |
switch (thisillum.udir) { |
| 461 |
– |
case UDzneg: |
| 462 |
– |
fputs("u=-Z\t\t\t\t# up is negative Z\n", stdout); |
| 463 |
– |
break; |
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– |
case UDyneg: |
| 465 |
– |
fputs("u=-Y\t\t\t\t# up is negative Y\n", stdout); |
| 466 |
– |
break; |
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– |
case UDxneg: |
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– |
fputs("u=-X\t\t\t\t# up is negative X\n", stdout); |
| 469 |
– |
break; |
| 470 |
– |
case UDxpos: |
| 471 |
– |
fputs("u=+X\t\t\t\t# up is positive X\n", stdout); |
| 472 |
– |
break; |
| 473 |
– |
case UDypos: |
| 474 |
– |
fputs("u=+Y\t\t\t\t# up is positive Y\n", stdout); |
| 475 |
– |
break; |
| 476 |
– |
case UDzpos: |
| 477 |
– |
fputs("u=+Z\t\t\t\t# up is positive Z\n", stdout); |
| 478 |
– |
break; |
| 479 |
– |
case UDunknown: |
| 480 |
– |
break; |
| 481 |
– |
} |
| 482 |
– |
printf("t=%f\t\t\t# object thickness\n", thisillum.thick); |
| 408 |
|
} |
| 409 |
|
|
| 410 |
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|
| 411 |
|
void |
| 412 |
|
printhead( /* print out header */ |
| 413 |
< |
register int ac, |
| 414 |
< |
register char **av |
| 413 |
> |
int ac, |
| 414 |
> |
char **av |
| 415 |
|
) |
| 416 |
|
{ |
| 417 |
|
putchar('#'); |