| 6 |
|
* Header file for MGF interpreter |
| 7 |
|
*/ |
| 8 |
|
|
| 9 |
+ |
#ifndef MG_VMAJOR |
| 10 |
+ |
|
| 11 |
|
/* must include stdio.h before us */ |
| 12 |
|
|
| 13 |
< |
/* Entities (order doesn't really matter) */ |
| 13 |
> |
#define MG_VMAJOR 2 /* major version number */ |
| 14 |
> |
#define MG_VMINOR 0 /* minor version number */ |
| 15 |
> |
|
| 16 |
> |
/* Entities (list is only appended, never modified) */ |
| 17 |
|
#define MG_E_COMMENT 0 /* # */ |
| 18 |
|
#define MG_E_COLOR 1 /* c */ |
| 19 |
|
#define MG_E_CCT 2 /* cct */ |
| 42 |
|
#define MG_E_TS 25 /* ts */ |
| 43 |
|
#define MG_E_VERTEX 26 /* v */ |
| 44 |
|
#define MG_E_XF 27 /* xf */ |
| 45 |
+ |
/* end of Version 1 entities */ |
| 46 |
+ |
#define MG_E_FACEH 28 /* fh */ |
| 47 |
+ |
/* end of Version 2 entities */ |
| 48 |
|
|
| 49 |
< |
#define MG_NENTITIES 28 /* total # entities */ |
| 49 |
> |
#define MG_NENTITIES 29 /* total # entities */ |
| 50 |
|
|
| 51 |
+ |
#define MG_NELIST {28,29} /* entity count for version 1 and up */ |
| 52 |
+ |
|
| 53 |
|
#define MG_NAMELIST {"#","c","cct","cone","cmix","cspec","cxy","cyl","ed",\ |
| 54 |
|
"f","i","ies","ir","m","n","o","p","prism","rd",\ |
| 55 |
< |
"ring","rs","sides","sph","td","torus","ts","v","xf"} |
| 55 |
> |
"ring","rs","sides","sph","td","torus","ts","v","xf",\ |
| 56 |
> |
"fh"} |
| 57 |
|
|
| 58 |
|
#define MG_MAXELEN 6 |
| 59 |
|
|
| 60 |
|
extern char mg_ename[MG_NENTITIES][MG_MAXELEN]; |
| 61 |
|
|
| 62 |
|
/* Handler routines for each entity and unknown ones */ |
| 52 |
– |
|
| 63 |
|
#ifdef NOPROTO |
| 64 |
|
extern int (*mg_ehand[MG_NENTITIES])(); |
| 65 |
|
extern int (*mg_uhand)(); |
| 84 |
|
#define MG_EMEM 8 /* out of memory */ |
| 85 |
|
#define MG_ESEEK 9 /* file seek error */ |
| 86 |
|
#define MG_EBADMAT 10 /* bad material specification */ |
| 87 |
+ |
#define MG_ELINE 11 /* input line too long */ |
| 88 |
+ |
#define MG_ECNTXT 12 /* unmatched context close */ |
| 89 |
|
|
| 90 |
< |
#define MG_NERRS 11 |
| 90 |
> |
#define MG_NERRS 13 |
| 91 |
|
|
| 92 |
|
extern char *mg_err[MG_NERRS]; /* list of error messages */ |
| 93 |
|
|
| 167 |
|
#ifdef NOPROTO |
| 168 |
|
extern int mg_entity(); /* get entity number from its name */ |
| 169 |
|
extern int isint(); /* non-zero if integer format */ |
| 170 |
+ |
extern int isintd(); /* same with delimiter set */ |
| 171 |
|
extern int isflt(); /* non-zero if floating point format */ |
| 172 |
+ |
extern int isfltd(); /* same with delimiter set */ |
| 173 |
|
extern int isname(); /* non-zero if legal identifier name */ |
| 174 |
+ |
extern int badarg(); /* check argument format */ |
| 175 |
+ |
extern int e_include(); /* expand include entity */ |
| 176 |
+ |
extern int e_pipe(); /* expand piped command */ |
| 177 |
+ |
extern int e_sph(); /* expand sphere as other entities */ |
| 178 |
+ |
extern int e_torus(); /* expand torus as other entities */ |
| 179 |
+ |
extern int e_cyl(); /* expand cylinder as other entities */ |
| 180 |
+ |
extern int e_ring(); /* expand ring as other entities */ |
| 181 |
+ |
extern int e_cone(); /* expand cone as other entities */ |
| 182 |
+ |
extern int e_prism(); /* expand prism as other entities */ |
| 183 |
+ |
extern int e_faceh(); /* expand face w/ holes as face */ |
| 184 |
|
#else |
| 185 |
|
extern int mg_entity(char *); /* get entity number from its name */ |
| 186 |
|
extern int isint(char *); /* non-zero if integer format */ |
| 187 |
+ |
extern int isintd(char *, char *); /* same with delimiter set */ |
| 188 |
|
extern int isflt(char *); /* non-zero if floating point format */ |
| 189 |
+ |
extern int isfltd(char *, char *); /* same with delimiter set */ |
| 190 |
|
extern int isname(char *); /* non-zero if legal identifier name */ |
| 191 |
+ |
extern int badarg(int, char **, char *);/* check argument format */ |
| 192 |
+ |
extern int e_include(int, char **); /* expand include entity */ |
| 193 |
+ |
extern int e_pipe(int, char **); /* expand piped command */ |
| 194 |
+ |
extern int e_sph(int, char **); /* expand sphere as other entities */ |
| 195 |
+ |
extern int e_torus(int, char **); /* expand torus as other entities */ |
| 196 |
+ |
extern int e_cyl(int, char **); /* expand cylinder as other entities */ |
| 197 |
+ |
extern int e_ring(int, char **); /* expand ring as other entities */ |
| 198 |
+ |
extern int e_cone(int, char **); /* expand cone as other entities */ |
| 199 |
+ |
extern int e_prism(int, char **); /* expand prism as other entities */ |
| 200 |
+ |
extern int e_faceh(int, char **); /* expand face w/ holes as face */ |
| 201 |
|
#endif |
| 202 |
|
|
| 203 |
|
/************************************************************************ |
| 229 |
|
extern double normalize(); /* normalize a vector */ |
| 230 |
|
#else |
| 231 |
|
extern double normalize(FVECT); /* normalize a vector */ |
| 232 |
+ |
extern void fcross(FVECT,FVECT,FVECT);/* cross product of two vectors */ |
| 233 |
|
#endif |
| 234 |
|
|
| 235 |
|
/************************************************************************ |
| 251 |
|
#define C_CSEFF 020 /* flag if efficacy set */ |
| 252 |
|
|
| 253 |
|
typedef struct { |
| 254 |
< |
int clock; /* incremented each change */ |
| 255 |
< |
short flags; /* what's been set */ |
| 256 |
< |
short ssamp[C_CNSS]; /* spectral samples, min wl to max */ |
| 257 |
< |
long ssum; /* straight sum of spectral values */ |
| 258 |
< |
float cx, cy; /* xy chromaticity value */ |
| 259 |
< |
float eff; /* efficacy (lumens/watt) */ |
| 254 |
> |
int clock; /* incremented each change */ |
| 255 |
> |
char *client_data; /* pointer to private client-owned data */ |
| 256 |
> |
short flags; /* what's been set */ |
| 257 |
> |
short ssamp[C_CNSS]; /* spectral samples, min wl to max */ |
| 258 |
> |
long ssum; /* straight sum of spectral values */ |
| 259 |
> |
float cx, cy; /* xy chromaticity value */ |
| 260 |
> |
float eff; /* efficacy (lumens/watt) */ |
| 261 |
|
} C_COLOR; |
| 262 |
|
|
| 263 |
< |
#define C_DEFCOLOR { 1, C_CDXY|C_CSXY|C_CSSPEC|C_CSEFF,\ |
| 263 |
> |
#define C_DEFCOLOR { 1, NULL, C_CDXY|C_CSXY|C_CSSPEC|C_CSEFF,\ |
| 264 |
|
{C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
| 265 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
| 266 |
|
C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,C_CMAXV,\ |
| 276 |
|
|
| 277 |
|
typedef struct { |
| 278 |
|
int clock; /* incremented each change -- resettable */ |
| 279 |
+ |
char *client_data; /* pointer to private client-owned data */ |
| 280 |
|
int sided; /* 1 if surface is 1-sided, 0 for 2-sided */ |
| 281 |
|
float nr, ni; /* index of refraction, real and imaginary */ |
| 282 |
|
float rd; /* diffuse reflectance */ |
| 295 |
|
|
| 296 |
|
typedef struct { |
| 297 |
|
int clock; /* incremented each change -- resettable */ |
| 298 |
+ |
char *client_data; /* pointer to private client-owned data */ |
| 299 |
|
FVECT p, n; /* point and normal */ |
| 300 |
|
} C_VERTEX; /* vertex context */ |
| 301 |
|
|
| 302 |
< |
#define C_DEFMATERIAL {1,0,1.,0.,0.,C_DEFCOLOR,0.,C_DEFCOLOR,0.,C_DEFCOLOR,\ |
| 303 |
< |
0.,C_DEFCOLOR,0.,0.,C_DEFCOLOR,0.} |
| 304 |
< |
#define C_DEFVERTEX {1,{0.,0.,0.},{0.,0.,0.}} |
| 302 |
> |
#define C_DEFMATERIAL {1,NULL,0,1.,0.,0.,C_DEFCOLOR,0.,C_DEFCOLOR,0.,\ |
| 303 |
> |
C_DEFCOLOR,0.,C_DEFCOLOR,0.,0.,C_DEFCOLOR,0.} |
| 304 |
> |
#define C_DEFVERTEX {1,NULL,{0.,0.,0.},{0.,0.,0.}} |
| 305 |
|
|
| 306 |
|
extern C_COLOR *c_ccolor; /* the current color */ |
| 307 |
|
extern char *c_ccname; /* current color name */ |
| 397 |
|
extern XF_SPEC *xf_context; /* current transform context */ |
| 398 |
|
extern char **xf_argend; /* last transform argument */ |
| 399 |
|
|
| 400 |
< |
#define xf_ac(xf) ((xf)->xac) |
| 400 |
> |
#define xf_ac(xf) ((xf)==NULL ? 0 : (xf)->xac) |
| 401 |
|
#define xf_av(xf) (xf_argend - (xf)->xac) |
| 402 |
|
|
| 403 |
< |
#define xf_argc (xf_context==NULL ? 0 : xf_ac(xf_context)) |
| 403 |
> |
#define xf_argc xf_ac(xf_context) |
| 404 |
|
#define xf_argv xf_av(xf_context) |
| 405 |
|
|
| 406 |
|
/* |
| 426 |
|
|
| 427 |
|
/* The following are support routines you probably won't call directly */ |
| 428 |
|
|
| 429 |
+ |
XF_SPEC *new_xf(); /* allocate new transform */ |
| 430 |
+ |
void free_xf(); /* free a transform */ |
| 431 |
+ |
int xf_aname(); /* name this instance */ |
| 432 |
+ |
long comp_xfid(); /* compute unique ID */ |
| 433 |
|
extern void multmat4(); /* m4a = m4b X m4c */ |
| 434 |
|
extern void multv3(); /* v3a = v3b X m4 (vectors) */ |
| 435 |
|
extern void multp3(); /* p3a = p3b X m4 (points) */ |
| 446 |
|
|
| 447 |
|
/* The following are support routines you probably won't call directly */ |
| 448 |
|
|
| 449 |
+ |
XF_SPEC *new_xf(int, char **); /* allocate new transform */ |
| 450 |
+ |
void free_xf(XF_SPEC *); /* free a transform */ |
| 451 |
+ |
int xf_aname(struct xf_array *); /* name this instance */ |
| 452 |
+ |
long comp_xfid(MAT4); /* compute unique ID */ |
| 453 |
|
extern void multmat4(MAT4, MAT4, MAT4); /* m4a = m4b X m4c */ |
| 454 |
|
extern void multv3(FVECT, FVECT, MAT4); /* v3a = v3b X m4 (vectors) */ |
| 455 |
|
extern void multp3(FVECT, FVECT, MAT4); /* p3a = p3b X m4 (points) */ |
| 461 |
|
* Miscellaneous definitions |
| 462 |
|
*/ |
| 463 |
|
|
| 464 |
+ |
#ifndef PI |
| 465 |
|
#ifdef M_PI |
| 466 |
|
#define PI M_PI |
| 467 |
|
#else |
| 468 |
|
#define PI 3.14159265358979323846 |
| 469 |
|
#endif |
| 470 |
+ |
#endif |
| 471 |
|
|
| 472 |
|
#ifdef DCL_ATOF |
| 473 |
|
extern double atof(); |
| 481 |
|
extern MEM_PTR calloc(); |
| 482 |
|
extern MEM_PTR realloc(); |
| 483 |
|
extern void free(); |
| 484 |
+ |
|
| 485 |
+ |
#endif /*MG_VMAJOR*/ |
