| 16 |
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|
| 17 |
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#include "object.h" |
| 18 |
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|
| 19 |
– |
#include "otypes.h" |
| 20 |
– |
|
| 19 |
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#ifndef OSTSIZ |
| 20 |
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#ifdef BIGMEM |
| 21 |
< |
#define OSTSIZ 56437 /* object table size (a prime!) */ |
| 21 |
> |
#define OSTSIZ 262139 /* object table size (a prime!) */ |
| 22 |
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#else |
| 23 |
< |
#define OSTSIZ 12329 /* object table size (a prime!) */ |
| 23 |
> |
#define OSTSIZ 32749 /* object table size (a prime!) */ |
| 24 |
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#endif |
| 25 |
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#endif |
| 26 |
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|
| 68 |
|
int upper, lower; |
| 69 |
|
register int cm, i; |
| 70 |
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|
| 71 |
+ |
if ((i = os[0]) <= 6) { /* linear search algorithm */ |
| 72 |
+ |
cm = obj; |
| 73 |
+ |
while (i-- > 0) |
| 74 |
+ |
if (*++os == cm) |
| 75 |
+ |
return(1); |
| 76 |
+ |
return(0); |
| 77 |
+ |
} |
| 78 |
|
lower = 1; |
| 79 |
< |
upper = cm = os[0] + 1; |
| 80 |
< |
|
| 79 |
> |
upper = cm = i + 1; |
| 80 |
> |
/* binary search algorithm */ |
| 81 |
|
while ((i = (lower + upper) >> 1) != cm) { |
| 82 |
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cm = obj - os[i]; |
| 83 |
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if (cm > 0) |
| 114 |
|
} |
| 115 |
|
|
| 116 |
|
|
| 117 |
+ |
OBJECT * |
| 118 |
+ |
setsave(os) /* allocate space and save set */ |
| 119 |
+ |
register OBJECT *os; |
| 120 |
+ |
{ |
| 121 |
+ |
OBJECT *osnew; |
| 122 |
+ |
register OBJECT *oset; |
| 123 |
+ |
register int i; |
| 124 |
+ |
|
| 125 |
+ |
if ((osnew = oset = (OBJECT *)malloc((*os+1)*sizeof(OBJECT))) == NULL) |
| 126 |
+ |
error(SYSTEM, "out of memory in setsave\n"); |
| 127 |
+ |
for (i = *os; i-- >= 0; ) /* inline setcopy */ |
| 128 |
+ |
*oset++ = *os++; |
| 129 |
+ |
return(osnew); |
| 130 |
+ |
} |
| 131 |
+ |
|
| 132 |
+ |
|
| 133 |
+ |
setunion(osr, os1, os2) /* osr = os1 Union os2 */ |
| 134 |
+ |
register OBJECT *osr, *os1, *os2; |
| 135 |
+ |
{ |
| 136 |
+ |
register int i1, i2; |
| 137 |
+ |
|
| 138 |
+ |
osr[0] = 0; |
| 139 |
+ |
for (i1 = i2 = 1; i1 <= os1[0] || i2 <= os2[0]; ) { |
| 140 |
+ |
while (i1 <= os1[0] && (i2 > os2[0] || os1[i1] <= os2[i2])) { |
| 141 |
+ |
osr[++osr[0]] = os1[i1]; |
| 142 |
+ |
if (i2 <= os2[0] && os2[i2] == os1[i1]) |
| 143 |
+ |
i2++; |
| 144 |
+ |
i1++; |
| 145 |
+ |
} |
| 146 |
+ |
while (i2 <= os2[0] && (i1 > os1[0] || os2[i2] < os1[i1])) |
| 147 |
+ |
osr[++osr[0]] = os2[i2++]; |
| 148 |
+ |
} |
| 149 |
+ |
} |
| 150 |
+ |
|
| 151 |
+ |
|
| 152 |
+ |
setintersect(osr, os1, os2) /* osr = os1 Intersect os2 */ |
| 153 |
+ |
register OBJECT *osr, *os1, *os2; |
| 154 |
+ |
{ |
| 155 |
+ |
register int i1, i2; |
| 156 |
+ |
|
| 157 |
+ |
osr[0] = 0; |
| 158 |
+ |
if (os1[0] <= 0) |
| 159 |
+ |
return; |
| 160 |
+ |
for (i1 = i2 = 1; i2 <= os2[0]; ) { |
| 161 |
+ |
while (os1[i1] < os2[i2]) |
| 162 |
+ |
if (++i1 > os1[0]) |
| 163 |
+ |
return; |
| 164 |
+ |
while (os2[i2] < os1[i1]) |
| 165 |
+ |
if (++i2 > os2[0]) |
| 166 |
+ |
return; |
| 167 |
+ |
if (os1[i1] == os2[i2]) |
| 168 |
+ |
osr[++osr[0]] = os2[i2++]; |
| 169 |
+ |
} |
| 170 |
+ |
} |
| 171 |
+ |
|
| 172 |
+ |
|
| 173 |
|
OCTREE |
| 174 |
|
fullnode(oset) /* return octree for object set */ |
| 175 |
|
OBJECT *oset; |
| 235 |
|
|
| 236 |
|
if (!isfull(ot)) |
| 237 |
|
goto noderr; |
| 238 |
< |
i = oseti(ot); |
| 239 |
< |
if ((os = ostable[i%OSTSIZ]) == NULL) |
| 238 |
> |
ot = oseti(ot); |
| 239 |
> |
if ((os = ostable[ot%OSTSIZ]) == NULL) |
| 240 |
|
goto noderr; |
| 241 |
< |
for (i /= OSTSIZ; i--; os += *os + 1) |
| 241 |
> |
for (i = ot/OSTSIZ; i--; os += *os + 1) |
| 242 |
|
if (*os <= 0) |
| 243 |
|
goto noderr; |
| 244 |
|
for (i = *os; i-- >= 0; ) /* copy set here */ |
| 249 |
|
} |
| 250 |
|
|
| 251 |
|
|
| 252 |
< |
nonsurfinset(orig, nobjs) /* check sets for non-surfaces */ |
| 253 |
< |
int orig, nobjs; |
| 252 |
> |
int |
| 253 |
> |
dosets(f) /* loop through all sets */ |
| 254 |
> |
int (*f)(); |
| 255 |
|
{ |
| 256 |
+ |
int res = 0; |
| 257 |
|
int n; |
| 258 |
|
register OBJECT *os; |
| 196 |
– |
register OBJECT i, s; |
| 259 |
|
|
| 260 |
|
for (n = 0; n < OSTSIZ; n++) { |
| 261 |
|
if ((os = ostable[n]) == NULL) |
| 262 |
|
continue; |
| 263 |
< |
while ((i = *os++) > 0) |
| 264 |
< |
while (i--) { |
| 265 |
< |
s = *os; |
| 266 |
< |
if (s >= orig && s < orig+nobjs && |
| 205 |
< |
ismodifier(objptr(s)->otype)) |
| 206 |
< |
return(1); |
| 207 |
< |
os++; |
| 208 |
< |
} |
| 263 |
> |
while (*os > 0) { |
| 264 |
> |
res += (*f)(os); |
| 265 |
> |
os += *os + 1; |
| 266 |
> |
} |
| 267 |
|
} |
| 268 |
< |
return(0); |
| 268 |
> |
return(res); |
| 269 |
> |
} |
| 270 |
> |
|
| 271 |
> |
|
| 272 |
> |
donesets() /* free ALL SETS in our table */ |
| 273 |
> |
{ |
| 274 |
> |
register int n; |
| 275 |
> |
|
| 276 |
> |
for (n = 0; n < OSTSIZ; n++) |
| 277 |
> |
if (ostable[n] != NULL) { |
| 278 |
> |
free((char *)ostable[n]); |
| 279 |
> |
ostable[n] = NULL; |
| 280 |
> |
} |
| 281 |
|
} |
