| 1 |
schorsch |
2.6 |
/* RCSid $Id: func.h,v 2.5 2003/06/27 06:53:22 greg Exp $ */ |
| 2 |
greg |
2.1 |
/* |
| 3 |
|
|
* Header file for modifiers using function files. |
| 4 |
greg |
2.2 |
* |
| 5 |
|
|
* Include after ray.h |
| 6 |
|
|
*/ |
| 7 |
schorsch |
2.4 |
#ifndef _RAD_FUNC_H_ |
| 8 |
|
|
#define _RAD_FUNC_H_ |
| 9 |
schorsch |
2.6 |
|
| 10 |
|
|
#include "calcomp.h" |
| 11 |
|
|
|
| 12 |
schorsch |
2.4 |
#ifdef __cplusplus |
| 13 |
|
|
extern "C" { |
| 14 |
|
|
#endif |
| 15 |
greg |
2.1 |
|
| 16 |
|
|
#define MAXEXPR 9 /* maximum expressions in modifier */ |
| 17 |
|
|
|
| 18 |
|
|
typedef struct { |
| 19 |
|
|
EPNODE *ep[MAXEXPR+1]; /* NULL-terminated expression list */ |
| 20 |
|
|
char *ctx; /* context (from file name) */ |
| 21 |
|
|
XF *f, *b; /* forward and backward transforms */ |
| 22 |
|
|
} MFUNC; /* material function */ |
| 23 |
|
|
|
| 24 |
|
|
extern XF unitxf; /* identity transform */ |
| 25 |
|
|
extern XF funcxf; /* current transform */ |
| 26 |
|
|
|
| 27 |
greg |
2.2 |
|
| 28 |
|
|
extern MFUNC *getfunc(OBJREC *m, int ff, unsigned int ef, int dofwd); |
| 29 |
|
|
extern void freefunc(OBJREC *m); |
| 30 |
|
|
extern int setfunc(OBJREC *m, RAY *r); |
| 31 |
|
|
extern void loadfunc(char *fname); |
| 32 |
|
|
|
| 33 |
schorsch |
2.4 |
|
| 34 |
|
|
#ifdef __cplusplus |
| 35 |
|
|
} |
| 36 |
greg |
2.2 |
#endif |
| 37 |
schorsch |
2.4 |
#endif /* _RAD_FUNC_H_ */ |
| 38 |
|
|
|
