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extern "C" { |
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#endif |
| 13 |
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|
| 14 |
< |
#ifdef NEWAMB |
| 14 |
> |
#ifndef OLDAMB |
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|
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/* |
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* Normal and u-vector directions encoded using dircode.c |
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float pos[3]; /* position in space */ |
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int32 ndir; /* encoded surface normal */ |
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int32 udir; /* u-vector direction */ |
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< |
int lvl; /* recursion level of parent ray */ |
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> |
int lvl; /* recursion level of parent ray */ |
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float weight; /* weight of parent ray */ |
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float rad[2]; /* anisotropic radii (rad[0] <= rad[1]) */ |
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COLOR val; /* computed ambient value */ |
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float gpos[2]; /* (u,v) gradient wrt. position */ |
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float gdir[2]; /* (u,v) gradient wrt. direction */ |
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+ |
uint32 corral; /* potential light leak direction flags */ |
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} AMBVAL; /* ambient value */ |
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|
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typedef struct ambtree { |
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struct ambtree *kid; /* 8 child nodes */ |
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} AMBTREE; /* ambient octree */ |
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|
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– |
typedef struct { |
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– |
COLOR v; /* division sum (partial) */ |
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– |
float r; /* 1/distance sum */ |
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– |
float k; /* variance for this division */ |
| 42 |
– |
int n; /* number of subsamples */ |
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– |
unsigned short t, p; /* theta, phi indices */ |
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– |
} AMBSAMP; /* ambient sample division */ |
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– |
|
| 46 |
– |
typedef struct { |
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– |
FVECT ux, uy, uz; /* x, y and z axis directions */ |
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– |
COLOR acoef; /* division contribution coefficient */ |
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– |
int ns; /* number of super-samples */ |
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– |
int nt, np; /* number of theta and phi directions */ |
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– |
} AMBHEMI; /* ambient sample hemisphere */ |
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– |
|
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extern double maxarad; /* maximum ambient radius */ |
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extern double minarad; /* minimum ambient radius */ |
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|
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#define AVGREFL 0.5 /* assumed average reflectance */ |
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#endif |
| 45 |
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|
| 46 |
< |
#define AMBVALSIZ 63 /* number of bytes in portable AMBVAL struct */ |
| 47 |
< |
#define AMBMAGIC 558 /* magic number for ambient value files */ |
| 46 |
> |
#define AMBVALSIZ 67 /* number of bytes in portable AMBVAL struct */ |
| 47 |
> |
#define AMBMAGIC 559 /* magic number for ambient value files */ |
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#define AMBFMT "Radiance_ambval" /* format id string */ |
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|
| 50 |
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/* defined in ambient.c */ |
| 58 |
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/* defined in ambcomp.c */ |
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extern int doambient(COLOR acol, RAY *r, double wt, |
| 60 |
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FVECT uv[2], float rad[2], |
| 61 |
< |
float gpos[2], float gdir[2]); |
| 61 |
> |
float gpos[2], float gdir[2], uint32 *crlp); |
| 62 |
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/* defined in ambio.c */ |
| 63 |
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extern void putambmagic(FILE *fp); |
| 64 |
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extern int hasambmagic(FILE *fp); |