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*/ |
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#ifndef _RAD_RAY_H_ |
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#define _RAD_RAY_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#include "copyright.h" |
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#include "standard.h" |
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#include "octree.h" |
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#include "object.h" |
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| 11 |
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#include "color.h" |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#define MAXDIM 32 /* maximum number of dimensions */ |
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|
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/* ray type flags */ |
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typedef struct ray { |
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unsigned long rno; /* unique ray number */ |
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int rlvl; /* number of reflections for this ray */ |
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float rweight; /* cumulative weight of this ray */ |
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float rweight; /* cumulative weight (for termination) */ |
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COLOR rcoef; /* contribution coefficient w.r.t. parent */ |
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short rtype; /* ray type */ |
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short crtype; /* cumulative ray type */ |
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struct ray *parent; /* ray this originated from */ |
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> |
const struct ray *parent; /* ray this originated from */ |
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FVECT rorg; /* origin of ray */ |
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FVECT rdir; /* normalized direction of ray */ |
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double rmax; /* maximum distance (aft clipping plane) */ |
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int rsrc; /* source we're aiming for */ |
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OBJECT *clipset; /* set of objects currently clipped */ |
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OBJECT *newcset; /* next clipset, used for transmission */ |
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void (*revf)(); /* evaluation function for this ray */ |
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void (*hitf)(); /* custom hit test for this traversal */ |
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> |
void (*hitf)(OBJECT *, struct ray *); /* custom hit test */ |
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OBJECT robj; /* intersected object number */ |
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OBJREC *ro; /* intersected object (one with material) */ |
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double rot; /* distance to object */ |
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RREAL uv[2]; /* local coordinates */ |
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FVECT pert; /* surface normal perturbation */ |
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COLOR pcol; /* pattern color */ |
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< |
COLOR rcol; /* returned ray value */ |
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> |
COLOR rcol; /* returned radiance value */ |
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double rt; /* returned effective ray length */ |
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COLOR cext; /* medium extinction coefficient */ |
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COLOR albedo; /* medium scattering albedo */ |
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int *slights; /* list of lights to test for scattering */ |
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} RAY; |
| 63 |
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|
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#define rayvalue(r) (*(r)->revf)(r) |
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| 64 |
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extern char VersionID[]; /* Radiance version ID string */ |
| 65 |
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|
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extern CUBE thescene; /* our scene */ |
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extern int ray_pnprocs; /* number of child processes */ |
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extern int ray_pnidle; /* number of idle processes */ |
| 119 |
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|
| 120 |
< |
#define AMBLLEN 128 /* max. ambient list length */ |
| 121 |
< |
#define AMBWORD 8 /* average word length */ |
| 120 |
> |
#ifndef AMBLLEN |
| 121 |
> |
#define AMBLLEN 512 /* max. ambient list length */ |
| 122 |
> |
#endif |
| 123 |
> |
#define AMBWORD 12 /* average word length */ |
| 124 |
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|
| 125 |
|
typedef struct { /* rendering parameter holder */ |
| 126 |
|
int do_irrad; |
| 160 |
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extern void headclean(void); |
| 161 |
|
extern void openheader(void); |
| 162 |
|
extern void dupheader(void); |
| 163 |
+ |
/* defined in persist.c */ |
| 164 |
+ |
extern void persistfile(char *pfn); |
| 165 |
|
extern void pfdetach(void); |
| 166 |
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extern void pfclean(void); |
| 167 |
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extern void pflock(int lf); |
| 189 |
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extern void ray_popen(int nadd); |
| 190 |
|
extern void ray_pclose(int nsub); |
| 191 |
|
/* defined in raytrace.c */ |
| 192 |
< |
extern int rayorigin(RAY *r, RAY *ro, int rt, double rw); |
| 192 |
> |
extern int rayorigin(RAY *r, int rt, const RAY *ro, const COLOR rc); |
| 193 |
|
extern void rayclear(RAY *r); |
| 194 |
< |
extern void raytrace(RAY *r); |
| 194 |
> |
extern void rayvalue(RAY *r); |
| 195 |
|
extern void rayhit(OBJECT *oset, RAY *r); |
| 196 |
|
extern void raycont(RAY *r); |
| 197 |
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extern void raytrans(RAY *r); |
| 199 |
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extern void rayparticipate(RAY *r); |
| 200 |
|
extern void raytexture(RAY *r, OBJECT mod); |
| 201 |
|
extern int raymixture(RAY *r, OBJECT fore, OBJECT back, double coef); |
| 202 |
< |
extern double raydist(RAY *r, int flags); |
| 202 |
> |
extern void raycontrib(COLOR rc, const RAY *r, int flags); |
| 203 |
> |
extern double raydist(const RAY *r, int flags); |
| 204 |
|
extern double raynormal(FVECT norm, RAY *r); |
| 205 |
|
extern void newrayxf(RAY *r); |
| 206 |
|
extern void flipsurface(RAY *r); |
| 211 |
|
/* defined in srcdraw.c */ |
| 212 |
|
extern void drawsources(COLOR *pic[], float *zbf[], |
| 213 |
|
int x0, int xsiz, int y0, int ysiz); |
| 214 |
+ |
extern void init_drawsources(int rad); |
| 215 |
+ |
/* defined in rt/initotypes.c */ |
| 216 |
+ |
extern void initotypes(void); |
| 217 |
|
/* module main procedures */ |
| 218 |
|
extern void rtrace(char *fname); |
| 219 |
+ |
extern char * formstr(int f); |
| 220 |
|
extern void rview(void); |
| 221 |
|
extern void rpict(int seq, char *pout, char *zout, char *prvr); |
| 222 |
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|
