26 |
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#define DCLIN (unsigned)(1L<<11) /* linear depth limit */ |
27 |
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28 |
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typedef struct { |
29 |
< |
BYTE r[2][2]; /* ray direction index */ |
29 |
> |
uby8 r[2][2]; /* ray direction index */ |
30 |
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COLR v; /* color value */ |
31 |
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uint16 d; /* depth code (from entry wall) */ |
32 |
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} RAYVAL; /* ray value */ |
55 |
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|
56 |
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typedef struct { |
57 |
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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 |
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|
61 |
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#define hdbray(bp) ((RAYVAL *)((bp)+1)) |
132 |
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133 |
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#define HOLOFMT "Holodeck" /* file format identifier */ |
134 |
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#define HOLOVERS 0 /* file format version number */ |
135 |
< |
#define HOLOMAGIC (323+sizeof(off_t)+8*HOLOVERS) /* file magic number */ |
135 |
> |
#define HOLOMAGIC (324+sizeof(BEAMI)+16*HOLOVERS) /* file magic number */ |
136 |
|
|
137 |
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/* |
138 |
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* A holodeck file consists of an information header terminated by a |
139 |
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* blank line, with "FORMAT=Holodeck" somewhere in it. |
140 |
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* The first integer after the information header is the |
141 |
|
* above magic number, which includes the file format version number. |
142 |
< |
* The first longword after the magic number is a pointer to the pointer |
143 |
< |
* just before the SECOND holodeck section, or 0 if there is only one. |
142 |
> |
* The first longword (off_t) after the magic number is a pointer to the |
143 |
> |
* pointer just before the SECOND holodeck section, or 0 if there is only one. |
144 |
|
* This longword is immediately followed by the first holodeck |
145 |
|
* section header and directory. |
146 |
|
* Similarly, every holodeck section in the file is preceeded by |
165 |
|
extern unsigned int hdcode(HOLO *hp, double d); |
166 |
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extern void hdgrid( FVECT gp, HOLO *hp, FVECT wp); |
167 |
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extern void hdworld(FVECT wp, HOLO *hp, FVECT gp); |
168 |
< |
extern double hdray(FVECT ro, FVECT rd, HOLO *hp, GCOORD gc[2], BYTE r[2][2]); |
169 |
< |
extern double hdinter(GCOORD gc[2], BYTE r[2][2], double *ed, HOLO *hp, |
168 |
> |
extern double hdray(FVECT ro, FVECT rd, HOLO *hp, GCOORD gc[2], uby8 r[2][2]); |
169 |
> |
extern double hdinter(GCOORD gc[2], uby8 r[2][2], double *ed, HOLO *hp, |
170 |
|
FVECT ro, FVECT rd); |
171 |
|
/* holofile.c */ |
172 |
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extern HOLO * hdinit(int fd, HDGRID *hproto); |
173 |
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extern void hddone(HOLO *hp); |
174 |
|
extern int hdsync(HOLO *hp, int all); |
175 |
|
extern off_t hdfilen(int fd); |
176 |
< |
extern off_t hdfiluse(int fd, int all); |
176 |
> |
extern off_t hdfiluse(int fd); |
177 |
|
extern RAYVAL * hdnewrays(HOLO *hp, int i, int nr); |
178 |
|
extern BEAM * hdgetbeam(HOLO *hp, int i); |
179 |
|
extern void hdloadbeams(HDBEAMI *hb, int n, void (*bf)(BEAM *bp, HDBEAMI *hb)); |