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/* Copyright (c) 1995 Regents of the University of California */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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> |
static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Convert Radiance scene description to MGF |
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*/ |
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#include "standard.h" |
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#include <ctype.h> |
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#include <string.h> |
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#include <stdio.h> |
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|
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#include "platform.h" |
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#include "rtmath.h" |
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#include "rtio.h" |
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#include "rtprocess.h" |
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#include "object.h" |
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#include "color.h" |
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#include "lookup.h" |
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#define C_1SIDEDTHICK 0.005 |
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|
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int o_face(), o_cone(), o_sphere(), o_ring(), o_cylinder(); |
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int o_instance(), o_illum(); |
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int o_plastic(), o_metal(), o_glass(), o_dielectric(), |
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o_mirror(), o_trans(), o_light(); |
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extern int free(); |
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LUTAB rmats = LU_SINIT(free,NULL); /* defined material table */ |
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LUTAB rdispatch = LU_SINIT(NULL,NULL); /* function dispatch table */ |
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LUTAB vertab = LU_SINIT(free,NULL); /* our vertex lookup table */ |
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|
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void rad2mgf(char *inp); |
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void cvtprim(char *inp, char *mod, char *typ, char *id, FUNARGS *fa); |
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void newmat(char *id, char *alias); |
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void setmat(char *id); |
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void setobj(char *id); |
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void init(void); |
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void uninit(void); |
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void clrverts(void); |
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void unspace(char *s); |
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void add2dispatch(char *name, int (*func)()); |
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char *getvertid(char *vname, FVECT vp); |
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int o_unsupported(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_face(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_cone(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_sphere(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_cylinder(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_ring(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_instance(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_illum(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_plastic(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_metal(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_glass(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_dielectric(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_mirror(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_trans(char *mod, char *typ, char *id, FUNARGS *fa); |
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int o_light(char *mod, char *typ, char *id, FUNARGS *fa); |
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|
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main(argc, argv) |
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int argc; |
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char **argv; |
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|
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int |
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main( |
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int argc, |
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char **argv |
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) |
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{ |
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int i; |
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} |
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rad2mgf(inp) /* convert a Radiance file to MGF */ |
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char *inp; |
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void |
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rad2mgf( /* convert a Radiance file to MGF */ |
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char *inp |
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) |
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{ |
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#define mod buf |
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#define typ (buf+128) |
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#define id (buf+256) |
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#define alias (buf+384) |
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char buf[512]; |
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char buf[512]; |
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char mod[128], typ[32], id[128], alias[128]; |
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FUNARGS fa; |
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register FILE *fp; |
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register int c; |
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break; |
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default: /* Radiance primitive */ |
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ungetc(c, fp); |
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if (fscanf(fp, "%s %s %s", mod, typ, id) != 3) { |
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> |
if (fgetword(mod, sizeof(mod), fp) == NULL || |
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fgetword(typ, sizeof(typ), fp) == NULL || |
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fgetword(id, sizeof(id), fp) == NULL) { |
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fputs(inp, stderr); |
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fputs(": unexpected EOF\n", stderr); |
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exit(1); |
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} |
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unspace(mod); |
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unspace(id); |
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if (!strcmp(typ, "alias")) { |
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strcpy(alias, "EOF"); |
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fscanf(fp, "%s", alias); |
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> |
fgetword(alias, sizeof(alias), fp); |
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> |
unspace(alias); |
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newmat(id, alias); |
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} else { |
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if (!readfargs(&fa, fp)) { |
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pclose(fp); |
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else |
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fclose(fp); |
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#undef mod |
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#undef typ |
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#undef id |
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#undef alias |
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} |
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|
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< |
cvtprim(inp, mod, typ, id, fa) /* process Radiance primitive */ |
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< |
char *inp, *mod, *typ, *id; |
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< |
FUNARGS *fa; |
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> |
void |
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> |
unspace( /* replace spaces with underscores in s */ |
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> |
char *s |
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> |
) |
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{ |
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while (*s) { |
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if (isspace(*s)) |
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*s = '_'; |
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++s; |
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} |
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} |
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|
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|
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void |
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cvtprim( /* process Radiance primitive */ |
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char *inp, |
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char *mod, |
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char *typ, |
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char *id, |
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FUNARGS *fa |
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) |
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{ |
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int (*df)(); |
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|
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df = (int (*)())lu_find(&rdispatch, typ)->data; |
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if (df != NULL) { /* convert */ |
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if ((*df)(mod, typ, id, fa) < 0) { |
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< |
fprintf(stderr, "%s: bad %s \"%s\"\n", typ, id); |
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> |
fprintf(stderr, "%s: bad %s \"%s\"\n", "rad2mgf", typ, id); |
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exit(1); |
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} |
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} else { /* unsupported */ |
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} |
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|
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|
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< |
newmat(id, alias) /* add a modifier to the alias list */ |
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< |
char *id; |
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< |
char *alias; |
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> |
void |
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> |
newmat( /* add a modifier to the alias list */ |
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> |
char *id, |
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> |
char *alias |
| 248 |
> |
) |
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{ |
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register LUENT *lp, *lpa; |
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|
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} |
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|
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|
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< |
setmat(id) /* set material to this one */ |
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< |
char *id; |
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> |
void |
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> |
setmat( /* set material to this one */ |
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> |
char *id |
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> |
) |
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{ |
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if (!strcmp(id, curmat)) /* already set? */ |
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return; |
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} |
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|
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|
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< |
setobj(id) /* set object name to this one */ |
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< |
char *id; |
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> |
void |
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> |
setobj( /* set object name to this one */ |
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> |
char *id |
| 299 |
> |
) |
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{ |
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register char *cp, *cp2; |
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char *end = NULL; |
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*cp2++ = 'O'; |
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} |
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for (cp = id; cp < end; *cp2++ = *cp++) { |
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< |
if (*cp < '!' | *cp > '~') /* limit to visible chars */ |
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> |
if ((*cp < '!') | (*cp > '~')) /* limit to visible chars */ |
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*cp = '?'; |
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diff += *cp != *cp2; |
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} |
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} |
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|
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|
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< |
init() /* initialize dispatch table and output */ |
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> |
void |
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> |
init(void) /* initialize dispatch table and output */ |
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{ |
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lu_init(&vertab, NVERTS); |
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lu_init(&rdispatch, 22); |
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add2dispatch("tube", o_cylinder); |
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add2dispatch("ring", o_ring); |
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add2dispatch("instance", o_instance); |
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add2dispatch("mesh", o_instance); |
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add2dispatch("plastic", o_plastic); |
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add2dispatch("plastic2", o_plastic); |
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add2dispatch("metal", o_metal); |
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} |
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|
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|
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< |
uninit() /* mark end of MGF file */ |
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> |
void |
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> |
uninit(void) /* mark end of MGF file */ |
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{ |
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puts("o"); |
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if (hasmult) |
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} |
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|
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|
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< |
clrverts() /* clear vertex table */ |
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> |
void |
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> |
clrverts(void) /* clear vertex table */ |
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{ |
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register int i; |
| 381 |
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|
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} |
| 387 |
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|
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|
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< |
add2dispatch(name, func) /* add function to dispatch table */ |
| 390 |
< |
char *name; |
| 391 |
< |
int (*func)(); |
| 389 |
> |
void |
| 390 |
> |
add2dispatch( /* add function to dispatch table */ |
| 391 |
> |
char *name, |
| 392 |
> |
int (*func)() |
| 393 |
> |
) |
| 394 |
|
{ |
| 395 |
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register LUENT *lp; |
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|
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|
| 407 |
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|
| 408 |
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char * |
| 409 |
< |
getvertid(vname, vp) /* get/set vertex ID for this point */ |
| 410 |
< |
char *vname; |
| 411 |
< |
FVECT vp; |
| 409 |
> |
getvertid( /* get/set vertex ID for this point */ |
| 410 |
> |
char *vname, |
| 411 |
> |
FVECT vp |
| 412 |
> |
) |
| 413 |
|
{ |
| 414 |
|
static char vkey[VKLEN]; |
| 415 |
|
register LUENT *lp; |
| 451 |
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|
| 452 |
|
|
| 453 |
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int |
| 454 |
< |
o_unsupported(mod, typ, id, fa) /* mark unsupported primitive */ |
| 455 |
< |
char *mod, *typ, *id; |
| 456 |
< |
FUNARGS *fa; |
| 454 |
> |
o_unsupported( /* mark unsupported primitive */ |
| 455 |
> |
char *mod, |
| 456 |
> |
char *typ, |
| 457 |
> |
char *id, |
| 458 |
> |
FUNARGS *fa |
| 459 |
> |
) |
| 460 |
|
{ |
| 461 |
|
register int i; |
| 462 |
|
|
| 481 |
|
|
| 482 |
|
|
| 483 |
|
int |
| 484 |
< |
o_face(mod, typ, id, fa) /* print out a polygon */ |
| 485 |
< |
char *mod, *typ, *id; |
| 486 |
< |
FUNARGS *fa; |
| 484 |
> |
o_face( /* print out a polygon */ |
| 485 |
> |
char *mod, |
| 486 |
> |
char *typ, |
| 487 |
> |
char *id, |
| 488 |
> |
FUNARGS *fa |
| 489 |
> |
) |
| 490 |
|
{ |
| 491 |
< |
char entbuf[2048]; |
| 491 |
> |
char entbuf[2048], *linestart; |
| 492 |
|
register char *cp; |
| 493 |
|
register int i; |
| 494 |
|
|
| 495 |
< |
if (fa->nfargs < 9 | fa->nfargs % 3) |
| 495 |
> |
if ((fa->nfargs < 9) | (fa->nfargs % 3)) |
| 496 |
|
return(-1); |
| 497 |
|
setmat(mod); |
| 498 |
|
setobj(id); |
| 499 |
< |
cp = entbuf; |
| 499 |
> |
cp = linestart = entbuf; |
| 500 |
|
*cp++ = 'f'; |
| 501 |
|
for (i = 0; i < fa->nfargs; i += 3) { |
| 502 |
|
*cp++ = ' '; |
| 503 |
+ |
if (cp - linestart > 72) { |
| 504 |
+ |
*cp++ = '\\'; *cp++ = '\n'; |
| 505 |
+ |
linestart = cp; |
| 506 |
+ |
*cp++ = ' '; *cp++ = ' '; |
| 507 |
+ |
} |
| 508 |
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getvertid(cp, fa->farg + i); |
| 509 |
|
while (*cp) |
| 510 |
|
cp++; |
| 515 |
|
|
| 516 |
|
|
| 517 |
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int |
| 518 |
< |
o_cone(mod, typ, id, fa) /* print out a cone */ |
| 519 |
< |
char *mod, *typ, *id; |
| 520 |
< |
register FUNARGS *fa; |
| 518 |
> |
o_cone( /* print out a cone */ |
| 519 |
> |
char *mod, |
| 520 |
> |
char *typ, |
| 521 |
> |
char *id, |
| 522 |
> |
register FUNARGS *fa |
| 523 |
> |
) |
| 524 |
|
{ |
| 525 |
|
char v1[6], v2[6]; |
| 526 |
|
|
| 541 |
|
|
| 542 |
|
|
| 543 |
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int |
| 544 |
< |
o_sphere(mod, typ, id, fa) /* print out a sphere */ |
| 545 |
< |
char *mod, *typ, *id; |
| 546 |
< |
register FUNARGS *fa; |
| 544 |
> |
o_sphere( /* print out a sphere */ |
| 545 |
> |
char *mod, |
| 546 |
> |
char *typ, |
| 547 |
> |
char *id, |
| 548 |
> |
register FUNARGS *fa |
| 549 |
> |
) |
| 550 |
|
{ |
| 551 |
|
char cent[6]; |
| 552 |
|
|
| 561 |
|
|
| 562 |
|
|
| 563 |
|
int |
| 564 |
< |
o_cylinder(mod, typ, id, fa) /* print out a cylinder */ |
| 565 |
< |
char *mod, *typ, *id; |
| 566 |
< |
register FUNARGS *fa; |
| 564 |
> |
o_cylinder( /* print out a cylinder */ |
| 565 |
> |
char *mod, |
| 566 |
> |
char *typ, |
| 567 |
> |
char *id, |
| 568 |
> |
register FUNARGS *fa |
| 569 |
> |
) |
| 570 |
|
{ |
| 571 |
|
char v1[6], v2[6]; |
| 572 |
|
|
| 583 |
|
|
| 584 |
|
|
| 585 |
|
int |
| 586 |
< |
o_ring(mod, typ, id, fa) /* print out a ring */ |
| 587 |
< |
char *mod, *typ, *id; |
| 588 |
< |
register FUNARGS *fa; |
| 586 |
> |
o_ring( /* print out a ring */ |
| 587 |
> |
char *mod, |
| 588 |
> |
char *typ, |
| 589 |
> |
char *id, |
| 590 |
> |
register FUNARGS *fa |
| 591 |
> |
) |
| 592 |
|
{ |
| 593 |
|
if (fa->nfargs != 8) |
| 594 |
|
return(-1); |
| 609 |
|
|
| 610 |
|
|
| 611 |
|
int |
| 612 |
< |
o_instance(mod, typ, id, fa) /* convert an instance */ |
| 613 |
< |
char *mod, *typ, *id; |
| 614 |
< |
FUNARGS *fa; |
| 612 |
> |
o_instance( /* convert an instance (or mesh) */ |
| 613 |
> |
char *mod, |
| 614 |
> |
char *typ, |
| 615 |
> |
char *id, |
| 616 |
> |
FUNARGS *fa |
| 617 |
> |
) |
| 618 |
|
{ |
| 619 |
|
register int i; |
| 620 |
|
register char *cp; |
| 653 |
|
|
| 654 |
|
|
| 655 |
|
int |
| 656 |
< |
o_illum(mod, typ, id, fa) /* convert an illum material */ |
| 657 |
< |
char *mod, *typ, *id; |
| 658 |
< |
FUNARGS *fa; |
| 656 |
> |
o_illum( /* convert an illum material */ |
| 657 |
> |
char *mod, |
| 658 |
> |
char *typ, |
| 659 |
> |
char *id, |
| 660 |
> |
FUNARGS *fa |
| 661 |
> |
) |
| 662 |
|
{ |
| 663 |
|
if (fa->nsargs == 1 && strcmp(fa->sarg[0], VOIDID)) { |
| 664 |
|
newmat(id, fa->sarg[0]); /* just create alias */ |
| 672 |
|
|
| 673 |
|
|
| 674 |
|
int |
| 675 |
< |
o_plastic(mod, typ, id, fa) /* convert a plastic material */ |
| 676 |
< |
char *mod, *typ, *id; |
| 677 |
< |
register FUNARGS *fa; |
| 675 |
> |
o_plastic( /* convert a plastic material */ |
| 676 |
> |
char *mod, |
| 677 |
> |
char *typ, |
| 678 |
> |
char *id, |
| 679 |
> |
register FUNARGS *fa |
| 680 |
> |
) |
| 681 |
|
{ |
| 682 |
|
COLOR cxyz, rrgb; |
| 683 |
|
double d; |
| 703 |
|
|
| 704 |
|
|
| 705 |
|
int |
| 706 |
< |
o_metal(mod, typ, id, fa) /* convert a metal material */ |
| 707 |
< |
char *mod, *typ, *id; |
| 708 |
< |
register FUNARGS *fa; |
| 706 |
> |
o_metal( /* convert a metal material */ |
| 707 |
> |
char *mod, |
| 708 |
> |
char *typ, |
| 709 |
> |
char *id, |
| 710 |
> |
register FUNARGS *fa |
| 711 |
> |
) |
| 712 |
|
{ |
| 713 |
|
COLOR cxyz, rrgb; |
| 714 |
|
double d; |
| 732 |
|
|
| 733 |
|
|
| 734 |
|
int |
| 735 |
< |
o_glass(mod, typ, id, fa) /* convert a glass material */ |
| 736 |
< |
char *mod, *typ, *id; |
| 737 |
< |
register FUNARGS *fa; |
| 735 |
> |
o_glass( /* convert a glass material */ |
| 736 |
> |
char *mod, |
| 737 |
> |
char *typ, |
| 738 |
> |
char *id, |
| 739 |
> |
register FUNARGS *fa |
| 740 |
> |
) |
| 741 |
|
{ |
| 742 |
|
COLOR cxyz, rrgb, trgb; |
| 743 |
|
double nrfr = 1.52, F, d; |
| 774 |
|
|
| 775 |
|
|
| 776 |
|
int |
| 777 |
< |
o_dielectric(mod, typ, id, fa) /* convert a dielectric material */ |
| 778 |
< |
char *mod, *typ, *id; |
| 779 |
< |
register FUNARGS *fa; |
| 777 |
> |
o_dielectric( /* convert a dielectric material */ |
| 778 |
> |
char *mod, |
| 779 |
> |
char *typ, |
| 780 |
> |
char *id, |
| 781 |
> |
register FUNARGS *fa |
| 782 |
> |
) |
| 783 |
|
{ |
| 784 |
|
COLOR cxyz, trgb; |
| 785 |
|
double F, d; |
| 807 |
|
|
| 808 |
|
|
| 809 |
|
int |
| 810 |
< |
o_mirror(mod, typ, id, fa) /* convert a mirror material */ |
| 811 |
< |
char *mod, *typ, *id; |
| 812 |
< |
register FUNARGS *fa; |
| 810 |
> |
o_mirror( /* convert a mirror material */ |
| 811 |
> |
char *mod, |
| 812 |
> |
char *typ, |
| 813 |
> |
char *id, |
| 814 |
> |
register FUNARGS *fa |
| 815 |
> |
) |
| 816 |
|
{ |
| 817 |
|
COLOR cxyz, rrgb; |
| 818 |
|
double d; |
| 836 |
|
|
| 837 |
|
|
| 838 |
|
int |
| 839 |
< |
o_trans(mod, typ, id, fa) /* convert a trans material */ |
| 840 |
< |
char *mod, *typ, *id; |
| 841 |
< |
register FUNARGS *fa; |
| 839 |
> |
o_trans( /* convert a trans material */ |
| 840 |
> |
char *mod, |
| 841 |
> |
char *typ, |
| 842 |
> |
char *id, |
| 843 |
> |
register FUNARGS *fa |
| 844 |
> |
) |
| 845 |
|
{ |
| 846 |
|
COLOR cxyz, rrgb; |
| 847 |
|
double rough, trans, tspec, d; |
| 848 |
|
|
| 849 |
< |
if (typ[4] == '2') { /* trans2 */ |
| 849 |
> |
if (typ[5] == '2') { /* trans2 */ |
| 850 |
|
if (fa->nfargs != 8) |
| 851 |
|
return(-1); |
| 852 |
|
rough = .5*(fa->farg[4] + fa->farg[5]); |
| 878 |
|
|
| 879 |
|
|
| 880 |
|
int |
| 881 |
< |
o_light(mod, typ, id, fa) /* convert a light type */ |
| 882 |
< |
char *mod, *typ, *id; |
| 883 |
< |
register FUNARGS *fa; |
| 881 |
> |
o_light( /* convert a light type */ |
| 882 |
> |
char *mod, |
| 883 |
> |
char *typ, |
| 884 |
> |
char *id, |
| 885 |
> |
register FUNARGS *fa |
| 886 |
> |
) |
| 887 |
|
{ |
| 888 |
|
COLOR cxyz, rrgb; |
| 889 |
|
double d; |