8 |
|
* 8/20/85 |
9 |
|
*/ |
10 |
|
|
11 |
+ |
#define AIMREQT 100 /* required aim success/failure */ |
12 |
+ |
|
13 |
|
#define SDISTANT 01 /* source distant flag */ |
14 |
|
#define SSKIP 02 /* source skip flag */ |
15 |
|
#define SPROX 04 /* source proximity flag */ |
16 |
|
#define SSPOT 010 /* source spotlight flag */ |
17 |
+ |
#define SVIRTUAL 020 /* source virtual flag */ |
18 |
+ |
#define SFLAT 040 /* source flat flag */ |
19 |
+ |
#define SFOLLOW 0100 /* source follow path flag */ |
20 |
|
|
16 |
– |
#define AIMREQT 100 /* required aim success/failure */ |
17 |
– |
|
21 |
|
typedef struct { |
22 |
< |
float siz; /* output solid angle */ |
22 |
> |
FVECT aim; /* aim direction or center */ |
23 |
> |
float siz; /* output solid angle or area */ |
24 |
|
float flen; /* focal length */ |
21 |
– |
FVECT aim; /* aim direction */ |
25 |
|
} SPOT; /* spotlight */ |
26 |
|
|
27 |
|
typedef struct { |
28 |
< |
short sflags; /* source flags */ |
28 |
> |
int sflags; /* source flags */ |
29 |
|
FVECT sloc; /* direction or position of source */ |
30 |
+ |
FVECT snorm; /* surface normal of flat source */ |
31 |
|
float ss; /* tangent or disk radius */ |
32 |
|
float ss2; /* domega or projected area */ |
33 |
< |
union { |
33 |
> |
struct { |
34 |
|
float prox; /* proximity */ |
35 |
|
SPOT *s; /* spot */ |
36 |
|
} sl; /* localized source information */ |
37 |
< |
int aimsuccess; /* aim successes - AIMREQT*failures */ |
37 |
> |
union { |
38 |
> |
int success; /* successes - AIMREQT*failures */ |
39 |
> |
int svnext; /* next source to aim for */ |
40 |
> |
} sa; /* source aiming information */ |
41 |
|
long ntests, nhits; /* shadow tests and hits */ |
42 |
< |
OBJREC *so; /* source object */ |
42 |
> |
OBJREC *so; /* source destination object */ |
43 |
|
} SRCREC; /* light source */ |
44 |
|
|
45 |
|
typedef struct { |
59 |
|
extern double srcray(); /* ray to source */ |
60 |
|
|
61 |
|
extern SPOT *makespot(); /* make spotlight */ |
62 |
+ |
|
63 |
+ |
extern SRCREC *newsource(); /* allocate new source */ |