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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 <stdio.h> |
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#include <math.h> |
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#include <ctype.h> |
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#include <string.h> |
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#include "fvect.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 PI 3.14159265358979323846 |
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#define C_1SIDEDTHICK 0.005 |
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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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|
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extern void free(); |
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extern char *malloc(); |
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|
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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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static void rad2mgf(char *inp); |
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static void cvtprim(char *inp, char *mod, char *typ, char *id, FUNARGS *fa); |
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static void newmat(char *id, char *alias); |
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static void setmat(char *id); |
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static void setobj(char *id); |
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static void init(void); |
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static void uninit(void); |
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static void clrverts(void); |
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static void add2dispatch(char *name, int (*func)()); |
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static char *getvertid(char *vname, FVECT vp); |
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static int o_unsupported(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_face(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_cone(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_sphere(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_cylinder(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_ring(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_instance(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_illum(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_plastic(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_metal(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_glass(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_dielectric(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_mirror(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_trans(char *mod, char *typ, char *id, FUNARGS *fa); |
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static int o_light(char *mod, char *typ, char *id, FUNARGS *fa); |
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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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} |
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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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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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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", "rat2mgf", 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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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 |
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) |
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{ |
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register LUENT *lp, *lpa; |
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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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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 |
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) |
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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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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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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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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; |
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} |
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add2dispatch(name, func) /* add function to dispatch table */ |
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char *name; |
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int (*func)(); |
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void |
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add2dispatch( /* add function to dispatch table */ |
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char *name, |
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int (*func)() |
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) |
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{ |
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register LUENT *lp; |
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char * |
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getvertid(vname, vp) /* get/set vertex ID for this point */ |
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char *vname; |
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FVECT vp; |
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getvertid( /* get/set vertex ID for this point */ |
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char *vname, |
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FVECT vp |
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) |
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{ |
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static char vkey[VKLEN]; |
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register LUENT *lp; |
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int |
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o_unsupported(mod, typ, id, fa) /* mark unsupported primitive */ |
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char *mod, *typ, *id; |
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FUNARGS *fa; |
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o_unsupported( /* mark unsupported primitive */ |
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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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register int i; |
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int |
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o_face(mod, typ, id, fa) /* print out a polygon */ |
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char *mod, *typ, *id; |
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FUNARGS *fa; |
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o_face( /* print out a polygon */ |
473 |
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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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char entbuf[2048]; |
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> |
char entbuf[2048], *linestart; |
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register char *cp; |
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register int i; |
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|
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< |
if (fa->nfargs < 9 | fa->nfargs % 3) |
483 |
> |
if ((fa->nfargs < 9) | (fa->nfargs % 3)) |
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return(-1); |
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setmat(mod); |
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setobj(id); |
487 |
< |
cp = entbuf; |
487 |
> |
cp = linestart = entbuf; |
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*cp++ = 'f'; |
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for (i = 0; i < fa->nfargs; i += 3) { |
490 |
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*cp++ = ' '; |
491 |
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if (cp - linestart > 72) { |
492 |
+ |
*cp++ = '\\'; *cp++ = '\n'; |
493 |
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linestart = cp; |
494 |
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*cp++ = ' '; *cp++ = ' '; |
495 |
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} |
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getvertid(cp, fa->farg + i); |
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while (*cp) |
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cp++; |
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|
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int |
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o_cone(mod, typ, id, fa) /* print out a cone */ |
507 |
< |
char *mod, *typ, *id; |
508 |
< |
register FUNARGS *fa; |
506 |
> |
o_cone( /* print out a cone */ |
507 |
> |
char *mod, |
508 |
> |
char *typ, |
509 |
> |
char *id, |
510 |
> |
register FUNARGS *fa |
511 |
> |
) |
512 |
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{ |
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char v1[6], v2[6]; |
514 |
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|
529 |
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|
530 |
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|
531 |
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int |
532 |
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o_sphere(mod, typ, id, fa) /* print out a sphere */ |
533 |
< |
char *mod, *typ, *id; |
534 |
< |
register FUNARGS *fa; |
532 |
> |
o_sphere( /* print out a sphere */ |
533 |
> |
char *mod, |
534 |
> |
char *typ, |
535 |
> |
char *id, |
536 |
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register FUNARGS *fa |
537 |
> |
) |
538 |
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{ |
539 |
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char cent[6]; |
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|
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|
550 |
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|
551 |
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int |
552 |
< |
o_cylinder(mod, typ, id, fa) /* print out a cylinder */ |
553 |
< |
char *mod, *typ, *id; |
554 |
< |
register FUNARGS *fa; |
552 |
> |
o_cylinder( /* print out a cylinder */ |
553 |
> |
char *mod, |
554 |
> |
char *typ, |
555 |
> |
char *id, |
556 |
> |
register FUNARGS *fa |
557 |
> |
) |
558 |
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{ |
559 |
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char v1[6], v2[6]; |
560 |
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|
571 |
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|
572 |
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|
573 |
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int |
574 |
< |
o_ring(mod, typ, id, fa) /* print out a ring */ |
575 |
< |
char *mod, *typ, *id; |
576 |
< |
register FUNARGS *fa; |
574 |
> |
o_ring( /* print out a ring */ |
575 |
> |
char *mod, |
576 |
> |
char *typ, |
577 |
> |
char *id, |
578 |
> |
register FUNARGS *fa |
579 |
> |
) |
580 |
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{ |
581 |
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if (fa->nfargs != 8) |
582 |
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return(-1); |
597 |
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|
598 |
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|
599 |
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int |
600 |
< |
o_instance(mod, typ, id, fa) /* convert an instance */ |
601 |
< |
char *mod, *typ, *id; |
602 |
< |
FUNARGS *fa; |
600 |
> |
o_instance( /* convert an instance (or mesh) */ |
601 |
> |
char *mod, |
602 |
> |
char *typ, |
603 |
> |
char *id, |
604 |
> |
FUNARGS *fa |
605 |
> |
) |
606 |
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{ |
607 |
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register int i; |
608 |
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register char *cp; |
641 |
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|
642 |
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|
643 |
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int |
644 |
< |
o_illum(mod, typ, id, fa) /* convert an illum material */ |
645 |
< |
char *mod, *typ, *id; |
646 |
< |
FUNARGS *fa; |
644 |
> |
o_illum( /* convert an illum material */ |
645 |
> |
char *mod, |
646 |
> |
char *typ, |
647 |
> |
char *id, |
648 |
> |
FUNARGS *fa |
649 |
> |
) |
650 |
|
{ |
651 |
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if (fa->nsargs == 1 && strcmp(fa->sarg[0], VOIDID)) { |
652 |
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newmat(id, fa->sarg[0]); /* just create alias */ |
660 |
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|
661 |
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|
662 |
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int |
663 |
< |
o_plastic(mod, typ, id, fa) /* convert a plastic material */ |
664 |
< |
char *mod, *typ, *id; |
665 |
< |
register FUNARGS *fa; |
663 |
> |
o_plastic( /* convert a plastic material */ |
664 |
> |
char *mod, |
665 |
> |
char *typ, |
666 |
> |
char *id, |
667 |
> |
register FUNARGS *fa |
668 |
> |
) |
669 |
|
{ |
670 |
|
COLOR cxyz, rrgb; |
671 |
|
double d; |
691 |
|
|
692 |
|
|
693 |
|
int |
694 |
< |
o_metal(mod, typ, id, fa) /* convert a metal material */ |
695 |
< |
char *mod, *typ, *id; |
696 |
< |
register FUNARGS *fa; |
694 |
> |
o_metal( /* convert a metal material */ |
695 |
> |
char *mod, |
696 |
> |
char *typ, |
697 |
> |
char *id, |
698 |
> |
register FUNARGS *fa |
699 |
> |
) |
700 |
|
{ |
701 |
|
COLOR cxyz, rrgb; |
702 |
|
double d; |
720 |
|
|
721 |
|
|
722 |
|
int |
723 |
< |
o_glass(mod, typ, id, fa) /* convert a glass material */ |
724 |
< |
char *mod, *typ, *id; |
725 |
< |
register FUNARGS *fa; |
723 |
> |
o_glass( /* convert a glass material */ |
724 |
> |
char *mod, |
725 |
> |
char *typ, |
726 |
> |
char *id, |
727 |
> |
register FUNARGS *fa |
728 |
> |
) |
729 |
|
{ |
730 |
|
COLOR cxyz, rrgb, trgb; |
731 |
|
double nrfr = 1.52, F, d; |
762 |
|
|
763 |
|
|
764 |
|
int |
765 |
< |
o_dielectric(mod, typ, id, fa) /* convert a dielectric material */ |
766 |
< |
char *mod, *typ, *id; |
767 |
< |
register FUNARGS *fa; |
765 |
> |
o_dielectric( /* convert a dielectric material */ |
766 |
> |
char *mod, |
767 |
> |
char *typ, |
768 |
> |
char *id, |
769 |
> |
register FUNARGS *fa |
770 |
> |
) |
771 |
|
{ |
772 |
|
COLOR cxyz, trgb; |
773 |
|
double F, d; |
795 |
|
|
796 |
|
|
797 |
|
int |
798 |
< |
o_mirror(mod, typ, id, fa) /* convert a mirror material */ |
799 |
< |
char *mod, *typ, *id; |
800 |
< |
register FUNARGS *fa; |
798 |
> |
o_mirror( /* convert a mirror material */ |
799 |
> |
char *mod, |
800 |
> |
char *typ, |
801 |
> |
char *id, |
802 |
> |
register FUNARGS *fa |
803 |
> |
) |
804 |
|
{ |
805 |
|
COLOR cxyz, rrgb; |
806 |
|
double d; |
824 |
|
|
825 |
|
|
826 |
|
int |
827 |
< |
o_trans(mod, typ, id, fa) /* convert a trans material */ |
828 |
< |
char *mod, *typ, *id; |
829 |
< |
register FUNARGS *fa; |
827 |
> |
o_trans( /* convert a trans material */ |
828 |
> |
char *mod, |
829 |
> |
char *typ, |
830 |
> |
char *id, |
831 |
> |
register FUNARGS *fa |
832 |
> |
) |
833 |
|
{ |
834 |
|
COLOR cxyz, rrgb; |
835 |
|
double rough, trans, tspec, d; |
866 |
|
|
867 |
|
|
868 |
|
int |
869 |
< |
o_light(mod, typ, id, fa) /* convert a light type */ |
870 |
< |
char *mod, *typ, *id; |
871 |
< |
register FUNARGS *fa; |
869 |
> |
o_light( /* convert a light type */ |
870 |
> |
char *mod, |
871 |
> |
char *typ, |
872 |
> |
char *id, |
873 |
> |
register FUNARGS *fa |
874 |
> |
) |
875 |
|
{ |
876 |
|
COLOR cxyz, rrgb; |
877 |
|
double d; |