| 1 |
< |
/* Copyright (c) 1995 Regents of the University of California */ |
| 2 |
< |
|
| 3 |
< |
/* SCCSid "$SunId$ LBL" */ |
| 4 |
< |
|
| 1 |
> |
/* RCSid $Id$ */ |
| 2 |
|
/* |
| 3 |
|
* source.h - header file for ray tracing sources. |
| 4 |
|
* |
| 5 |
< |
* 8/20/85 |
| 5 |
> |
* Include after ray.h |
| 6 |
|
*/ |
| 7 |
|
|
| 8 |
+ |
#include "copyright.h" |
| 9 |
+ |
|
| 10 |
|
#define AIMREQT 100 /* required aim success/failure */ |
| 11 |
|
|
| 12 |
|
#define SDISTANT 01 /* source distant flag */ |
| 90 |
|
} VSMATERIAL; /* virtual source material functions */ |
| 91 |
|
|
| 92 |
|
typedef struct { |
| 93 |
< |
int (*setsrc)(); /* set light source for object */ |
| 94 |
< |
int (*partit)(); /* partition light source object */ |
| 93 |
> |
void (*setsrc)(); /* set light source for object */ |
| 94 |
> |
void (*partit)(); /* partition light source object */ |
| 95 |
|
double (*getpleq)(); /* plane equation for surface */ |
| 96 |
|
double (*getdisk)(); /* maximum disk for surface */ |
| 97 |
|
} SOBJECT; /* source object functions */ |
| 106 |
|
extern SRCREC *source; /* our source list */ |
| 107 |
|
extern int nsources; /* the number of sources */ |
| 108 |
|
|
| 110 |
– |
extern int srcvalue(); /* compute source value w/o shadows */ |
| 111 |
– |
extern double nextssamp(); /* get next source sample location */ |
| 112 |
– |
extern double scylform(); /* cosine to axis of cylinder */ |
| 113 |
– |
|
| 109 |
|
#define sflatform(sn,dir) -DOT(source[sn].snorm, dir) |
| 110 |
|
|
| 111 |
< |
extern OBJREC *vsmaterial(); /* virtual source material */ |
| 111 |
> |
#define getplaneq(c,o) (*sfun[(o)->otype].of->getpleq)(c,o) |
| 112 |
> |
#define getmaxdisk(c,o) (*sfun[(o)->otype].of->getdisk)(c,o) |
| 113 |
> |
#define setsource(s,o) (*sfun[(o)->otype].of->setsrc)(s,o) |
| 114 |
|
|
| 115 |
< |
extern double intercircle(); /* intersect two circles */ |
| 119 |
< |
extern double spotdisk(); /* intersecting disk for spot */ |
| 120 |
< |
extern double beamdisk(); /* intersecting disk for beam */ |
| 115 |
> |
#ifdef NOPROTO |
| 116 |
|
|
| 117 |
< |
extern SPOT *makespot(); /* make spotlight */ |
| 117 |
> |
extern void marksources(); |
| 118 |
> |
extern void freesources(); |
| 119 |
> |
extern int srcray(); |
| 120 |
> |
extern void srcvalue(); |
| 121 |
> |
extern int sourcehit(); |
| 122 |
> |
extern void direct(); |
| 123 |
> |
extern void srcscatter(); |
| 124 |
> |
extern int m_light(); |
| 125 |
> |
extern double nextssamp(); |
| 126 |
> |
extern int skipparts(); |
| 127 |
> |
extern void nopart(); |
| 128 |
> |
extern void cylpart(); |
| 129 |
> |
extern void flatpart(); |
| 130 |
> |
extern double scylform(); |
| 131 |
> |
extern void initstypes(); |
| 132 |
> |
extern int newsource(); |
| 133 |
> |
extern void setflatss(); |
| 134 |
> |
extern void fsetsrc(); |
| 135 |
> |
extern void ssetsrc(); |
| 136 |
> |
extern void sphsetsrc(); |
| 137 |
> |
extern void rsetsrc(); |
| 138 |
> |
extern void cylsetsrc(); |
| 139 |
> |
extern SPOT *makespot(); |
| 140 |
> |
extern int spotout(); |
| 141 |
> |
extern double fgetmaxdisk(); |
| 142 |
> |
extern double rgetmaxdisk(); |
| 143 |
> |
extern double fgetplaneq(); |
| 144 |
> |
extern double rgetplaneq(); |
| 145 |
> |
extern int commonspot(); |
| 146 |
> |
extern int commonbeam(); |
| 147 |
> |
extern int checkspot(); |
| 148 |
> |
extern double spotdisk(); |
| 149 |
> |
extern double beamdisk(); |
| 150 |
> |
extern double intercircle(); |
| 151 |
> |
extern void markvirtuals(); |
| 152 |
> |
extern void addvirtuals(); |
| 153 |
> |
extern void vproject(); |
| 154 |
> |
extern OBJREC *vsmaterial(); |
| 155 |
> |
extern int makevsrc(); |
| 156 |
> |
extern double getdisk(); |
| 157 |
> |
extern int vstestvis(); |
| 158 |
> |
extern void virtverb(); |
| 159 |
|
|
| 160 |
< |
extern double dstrsrc; /* source distribution amount */ |
| 161 |
< |
extern double shadthresh; /* relative shadow threshold */ |
| 162 |
< |
extern double shadcert; /* shadow testing certainty */ |
| 163 |
< |
extern double srcsizerat; /* max. ratio of source size/dist. */ |
| 164 |
< |
extern int directrelay; /* maximum number of source relays */ |
| 165 |
< |
extern int vspretest; /* virtual source pretest density */ |
| 166 |
< |
extern int directvis; /* sources visible? */ |
| 160 |
> |
#else |
| 161 |
> |
/* defined in source.c */ |
| 162 |
> |
extern void marksources(void); |
| 163 |
> |
extern void freesources(void); |
| 164 |
> |
extern int srcray(RAY *sr, RAY *r, SRCINDEX *si); |
| 165 |
> |
extern void srcvalue(RAY *r); |
| 166 |
> |
extern int sourcehit(RAY *r); |
| 167 |
> |
extern void direct(RAY *r, void (*f)(), char *p); |
| 168 |
> |
extern void srcscatter(RAY *r); |
| 169 |
> |
extern int m_light(OBJREC *m, RAY *r); |
| 170 |
> |
/* defined in srcsamp.c */ |
| 171 |
> |
extern double nextssamp(RAY *r, SRCINDEX *si); |
| 172 |
> |
extern int skipparts(int ct[3], int sz[3], int pp[2], unsigned char *pt); |
| 173 |
> |
extern void nopart(SRCINDEX *si, RAY *r); |
| 174 |
> |
extern void cylpart(SRCINDEX *si, RAY *r); |
| 175 |
> |
extern void flatpart(SRCINDEX *si, RAY *r); |
| 176 |
> |
extern double scylform(int sn, FVECT dir); |
| 177 |
> |
/* defined in srcsupp.c */ |
| 178 |
> |
extern void initstypes(void); |
| 179 |
> |
extern int newsource(void); |
| 180 |
> |
extern void setflatss(SRCREC *src); |
| 181 |
> |
extern void fsetsrc(SRCREC *src, OBJREC *so); |
| 182 |
> |
extern void ssetsrc(SRCREC *src, OBJREC *so); |
| 183 |
> |
extern void sphsetsrc(SRCREC *src, OBJREC *so); |
| 184 |
> |
extern void rsetsrc(SRCREC *src, OBJREC *so); |
| 185 |
> |
extern void cylsetsrc(SRCREC *src, OBJREC *so); |
| 186 |
> |
extern SPOT *makespot(OBJREC *m); |
| 187 |
> |
extern int spotout(RAY *r, SPOT *s); |
| 188 |
> |
extern double fgetmaxdisk(FVECT ocent, OBJREC *op); |
| 189 |
> |
extern double rgetmaxdisk(FVECT ocent, OBJREC *op); |
| 190 |
> |
extern double fgetplaneq(FVECT nvec, OBJREC *op); |
| 191 |
> |
extern double rgetplaneq(FVECT nvec, OBJREC *op); |
| 192 |
> |
extern int commonspot(SPOT *sp1, SPOT *sp2, FVECT org); |
| 193 |
> |
extern int commonbeam(SPOT *sp1, SPOT *sp2, FVECT org); |
| 194 |
> |
extern int checkspot(SPOT *sp, FVECT nrm); |
| 195 |
> |
extern double spotdisk(FVECT oc, OBJREC *op, SPOT *sp, FVECT pos); |
| 196 |
> |
extern double beamdisk(FVECT oc, OBJREC *op, SPOT *sp, FVECT dir); |
| 197 |
> |
extern double intercircle(FVECT cc, FVECT c1, FVECT c2, |
| 198 |
> |
double r1s, double r2s); |
| 199 |
> |
/* defined in virtuals.c */ |
| 200 |
> |
extern void markvirtuals(void); |
| 201 |
> |
extern void addvirtuals(int sn, int nr); |
| 202 |
> |
extern void vproject(OBJREC *o, int sn, int n); |
| 203 |
> |
extern OBJREC *vsmaterial(OBJREC *o); |
| 204 |
> |
extern int makevsrc(OBJREC *op, int sn, MAT4 pm); |
| 205 |
> |
extern double getdisk(FVECT oc, OBJREC *op, int sn); |
| 206 |
> |
extern int vstestvis(int f, OBJREC *o, FVECT oc, double or2, int sn); |
| 207 |
> |
extern void virtverb(int sn, FILE *fp); |
| 208 |
|
|
| 209 |
< |
#define getplaneq(c,o) (*sfun[(o)->otype].of->getpleq)(c,o) |
| 133 |
< |
#define getmaxdisk(c,o) (*sfun[(o)->otype].of->getdisk)(c,o) |
| 134 |
< |
#define setsource(s,o) (*sfun[(o)->otype].of->setsrc)(s,o) |
| 209 |
> |
#endif |
