26 |
|
#define DCLIN (unsigned)(1L<<11) /* linear depth limit */ |
27 |
|
|
28 |
|
typedef struct { |
29 |
< |
BYTE r[2][2]; /* ray direction index */ |
29 |
> |
uby8 r[2][2]; /* ray direction index */ |
30 |
|
COLR v; /* color value */ |
31 |
|
uint16 d; /* depth code (from entry wall) */ |
32 |
|
} RAYVAL; /* ray value */ |
55 |
|
|
56 |
|
typedef struct { |
57 |
|
uint32 nrm; /* number of beam rays bundled in memory */ |
58 |
< |
unsigned long tick; /* clock tick for LRU replacement */ |
58 |
> |
uint32 tick; /* clock tick for LRU replacement */ |
59 |
|
} BEAM; /* followed by nrm RAYVAL's */ |
60 |
|
|
61 |
|
#define hdbray(bp) ((RAYVAL *)((bp)+1)) |
79 |
|
double tlin; /* linear range for depth encoding */ |
80 |
|
FVECT wg[3]; /* wall grid vectors (derived) */ |
81 |
|
int wi[6]; /* wall super-indices (derived) */ |
82 |
< |
char *priv; /* pointer to private client data */ |
82 |
> |
void *priv; /* pointer to private client data */ |
83 |
|
BEAM **bl; /* beam pointers (memory cache) */ |
84 |
|
BEAMI bi[1]; /* beam index (extends struct) */ |
85 |
|
} HOLO; /* holodeck section */ |
98 |
|
#define hdflush(hp) (hdfreebeam(hp,0), hdsync(hp,0)) |
99 |
|
#define hdclobber(hp) (hdkillbeam(hp,0), hdsync(hp,0)) |
100 |
|
|
101 |
– |
/* |
102 |
– |
extern HOLO *hdinit(), *hdalloc(); |
103 |
– |
extern BEAM *hdgetbeam(); |
104 |
– |
extern RAYVAL *hdnewrays(); |
105 |
– |
extern unsigned hdmemuse(); |
106 |
– |
extern off_t hdfiluse(), hdfilen(), hdallocfrag(); |
107 |
– |
extern double hdray(), hdinter(); |
108 |
– |
extern unsigned hdcode(); |
109 |
– |
extern int hdfilord(); |
110 |
– |
*/ |
111 |
– |
|
101 |
|
#define FF_NEVER 0 /* never free fragments */ |
102 |
|
#define FF_WRITE 01 /* free fragment on write */ |
103 |
|
#define FF_ALLOC 02 /* free fragment on ray alloc */ |
121 |
|
|
122 |
|
#define HOLOFMT "Holodeck" /* file format identifier */ |
123 |
|
#define HOLOVERS 0 /* file format version number */ |
124 |
< |
#define HOLOMAGIC (323+sizeof(off_t)+8*HOLOVERS) /* file magic number */ |
124 |
> |
#define HOLOMAGIC (324+sizeof(BEAMI)+16*HOLOVERS) /* file magic number */ |
125 |
|
|
126 |
|
/* |
127 |
|
* A holodeck file consists of an information header terminated by a |
128 |
|
* blank line, with "FORMAT=Holodeck" somewhere in it. |
129 |
|
* The first integer after the information header is the |
130 |
|
* above magic number, which includes the file format version number. |
131 |
< |
* The first longword after the magic number is a pointer to the pointer |
132 |
< |
* just before the SECOND holodeck section, or 0 if there is only one. |
131 |
> |
* The first longword (off_t) after the magic number is a pointer to the |
132 |
> |
* pointer just before the SECOND holodeck section, or 0 if there is only one. |
133 |
|
* This longword is immediately followed by the first holodeck |
134 |
|
* section header and directory. |
135 |
|
* Similarly, every holodeck section in the file is preceeded by |
144 |
|
|
145 |
|
/* clumpbeams.c */ |
146 |
|
extern void clumpbeams(HOLO *hp, int maxcnt, int maxsiz, |
147 |
< |
int (*cf)(HOLO *hp, int *bqueue, int bqlen)); |
147 |
> |
int (*cf)(HOLO *hp, int *bqueue, int bqlen)); |
148 |
|
/* holo.c */ |
149 |
|
extern void hdcompgrid(HOLO *hp); |
150 |
|
extern int hdbcoord(GCOORD gc[2], HOLO *hp, int i); |
154 |
|
extern unsigned int hdcode(HOLO *hp, double d); |
155 |
|
extern void hdgrid( FVECT gp, HOLO *hp, FVECT wp); |
156 |
|
extern void hdworld(FVECT wp, HOLO *hp, FVECT gp); |
157 |
< |
extern double hdray(FVECT ro, FVECT rd, HOLO *hp, GCOORD gc[2], BYTE r[2][2]); |
158 |
< |
extern double hdinter(GCOORD gc[2], BYTE r[2][2], double *ed, HOLO *hp, |
159 |
< |
FVECT ro, FVECT rd); |
157 |
> |
extern double hdray(FVECT ro, FVECT rd, HOLO *hp, GCOORD gc[2], uby8 r[2][2]); |
158 |
> |
extern double hdinter(GCOORD gc[2], uby8 r[2][2], double *ed, HOLO *hp, |
159 |
> |
FVECT ro, FVECT rd); |
160 |
|
/* holofile.c */ |
161 |
|
extern HOLO * hdinit(int fd, HDGRID *hproto); |
162 |
|
extern void hddone(HOLO *hp); |