| 1 |
greg |
2.3 |
/* RCSid $Id$ */
|
| 2 |
greg |
2.1 |
/*
|
| 3 |
|
|
* Header file for modifiers using function files.
|
| 4 |
greg |
2.2 |
*
|
| 5 |
|
|
* Include after ray.h
|
| 6 |
|
|
*/
|
| 7 |
|
|
|
| 8 |
greg |
2.3 |
#include "copyright.h"
|
| 9 |
greg |
2.1 |
|
| 10 |
|
|
#include "calcomp.h"
|
| 11 |
|
|
|
| 12 |
|
|
#define MAXEXPR 9 /* maximum expressions in modifier */
|
| 13 |
|
|
|
| 14 |
|
|
typedef struct {
|
| 15 |
|
|
EPNODE *ep[MAXEXPR+1]; /* NULL-terminated expression list */
|
| 16 |
|
|
char *ctx; /* context (from file name) */
|
| 17 |
|
|
XF *f, *b; /* forward and backward transforms */
|
| 18 |
|
|
} MFUNC; /* material function */
|
| 19 |
|
|
|
| 20 |
|
|
extern XF unitxf; /* identity transform */
|
| 21 |
|
|
extern XF funcxf; /* current transform */
|
| 22 |
|
|
|
| 23 |
greg |
2.2 |
#ifdef NOPROTO
|
| 24 |
|
|
|
| 25 |
|
|
extern MFUNC *getfunc();
|
| 26 |
|
|
extern void freefunc();
|
| 27 |
|
|
extern int setfunc();
|
| 28 |
|
|
extern void loadfunc();
|
| 29 |
|
|
|
| 30 |
|
|
#else
|
| 31 |
|
|
|
| 32 |
|
|
extern MFUNC *getfunc(OBJREC *m, int ff, unsigned int ef, int dofwd);
|
| 33 |
|
|
extern void freefunc(OBJREC *m);
|
| 34 |
|
|
extern int setfunc(OBJREC *m, RAY *r);
|
| 35 |
|
|
extern void loadfunc(char *fname);
|
| 36 |
|
|
|
| 37 |
|
|
#endif
|
