| 16 |
|
*/ |
| 17 |
|
typedef struct ambrec { |
| 18 |
|
struct ambrec *next; /* next in list */ |
| 19 |
– |
unsigned long latick; /* last accessed tick */ |
| 19 |
|
float pos[3]; /* position in space */ |
| 20 |
|
int32 ndir; /* encoded surface normal */ |
| 21 |
|
int32 udir; /* u-vector direction */ |
| 22 |
|
short lvl; /* recursion level of parent ray */ |
| 23 |
|
float weight; /* weight of parent ray */ |
| 24 |
|
float rad[2]; /* anisotropic radii (rad[0] <= rad[1]) */ |
| 26 |
– |
COLOR val; /* computed ambient value */ |
| 25 |
|
float gpos[2]; /* (u,v) gradient wrt. position */ |
| 26 |
|
float gdir[2]; /* (u,v) gradient wrt. direction */ |
| 27 |
|
uint32 corral; /* potential light leak direction flags */ |
| 28 |
+ |
SCOLOR val; /* computed indirect irradiance (last!) */ |
| 29 |
|
} AMBVAL; /* ambient value */ |
| 30 |
|
|
| 31 |
|
typedef struct ambtree { |
| 40 |
|
#define AVGREFL 0.5 /* assumed average reflectance */ |
| 41 |
|
#endif |
| 42 |
|
|
| 43 |
< |
#define AMBVALSIZ 67 /* number of bytes in portable AMBVAL struct */ |
| 44 |
< |
#define AMBMAGIC 559 /* magic number for ambient value files */ |
| 43 |
> |
#define AMBVALSIZ (64+AMB_CNDX[3]) /* number of bytes in portable AMBVAL */ |
| 44 |
> |
#define AMBMAGIC 561 /* magic number for ambient value file */ |
| 45 |
|
#define AMBFMT "Radiance_ambval" /* format id string */ |
| 46 |
|
|
| 47 |
|
/* defined in ambient.c */ |
| 48 |
|
extern void setambres(int ar); |
| 49 |
|
extern void setambacc(double newa); |
| 50 |
|
extern void setambient(void); |
| 51 |
< |
extern void multambient(COLOR aval, RAY *r, FVECT nrm); |
| 51 |
> |
extern void multambient(SCOLOR aval, RAY *r, FVECT nrm); |
| 52 |
|
extern void ambdone(void); |
| 53 |
|
extern void ambnotify(OBJECT obj); |
| 54 |
|
extern int ambsync(void); |
| 55 |
|
/* defined in ambcomp.c */ |
| 56 |
< |
extern int doambient(COLOR acol, RAY *r, double wt, |
| 56 |
> |
extern int doambient(SCOLOR acol, RAY *r, double wt, |
| 57 |
|
FVECT uv[2], float rad[2], |
| 58 |
|
float gpos[2], float gdir[2], uint32 *crlp); |
| 59 |
|
/* defined in ambio.c */ |
| 60 |
+ |
extern int *AMB_CNDX; /* open ambient file RGBE indices */ |
| 61 |
+ |
extern float *AMB_WLPART; /* open ambient file spectral range */ |
| 62 |
+ |
extern int amb_headline(char *hl, void *p); |
| 63 |
|
extern void putambmagic(FILE *fp); |
| 64 |
|
extern int hasambmagic(FILE *fp); |
| 65 |
|
extern int writambval(AMBVAL *av, FILE *fp); |
