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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.14 by root, Thu Sep 14 01:34:41 2006 UTC vs.
Revision 1.33 by root, Sun Dec 31 18:10:40 2006 UTC

16 16
17 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software 18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 20
21 The authors can be reached via e-mail at crossfire-devel@real-time.com 21 The authors can be reached via e-mail at <crossfire@schmorp.de>
22*/ 22*/
23 23
24/* 24/*
25 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
26 */ 26 */
27 27
28#include <global.h> 28#include <global.h>
29#include <funcpoint.h> 29#include <funcpoint.h>
30#include <material.h> 30#include <material.h>
31 31
32#include <sys/time.h>
33#include <time.h>
32#include <glib.h> 34#include <glib.h>
33 35
34/* 36/*
35 * The random functions here take luck into account when rolling random 37 * The random functions here take luck into account when rolling random
36 * dice or numbers. This function has less of an impact the larger the 38 * dice or numbers. This function has less of an impact the larger the
97 diff = max - min + 1; 99 diff = max - min + 1;
98 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ 100 ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */
99 101
100 if (max < 1 || diff < 1) 102 if (max < 1 || diff < 1)
101 { 103 {
102#ifndef WIN32
103 LOG (llevError, "Calling random_roll with min=%lld max=%lld\n", min, max);
104#else
105 LOG (llevError, "Calling random_roll with min=%I64d max=%I64d\n", min, max); 104 LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
106#endif
107 return (min); /* avoids a float exception */ 105 return (min); /* avoids a float exception */
108 } 106 }
109 107
110 /* Don't know of a portable call to get 64 bit random values. 108 /* Don't know of a portable call to get 64 bit random values.
111 * So make a call to get two 32 bit random numbers, and just to 109 * So make a call to get two 32 bit random numbers, and just to
197 return (min); 195 return (min);
198 196
199 return (RANDOM () % diff + min); 197 return (RANDOM () % diff + min);
200} 198}
201 199
202/* decay and destroy persihable items in a map */ 200/* decay and destroy perishable items in a map */
203
204void 201void
205decay_objects (mapstruct *m) 202maptile::decay_objects ()
206{ 203{
207 int x, y, destroy; 204 int x, y, destroy;
208 object *op, *otmp; 205 object *op, *otmp;
209 206
210 if (m->unique) 207 for (x = 0; x < width; x++)
211 return; 208 for (y = 0; y < height; y++)
212
213 for (x = 0; x < MAP_WIDTH (m); x++)
214 for (y = 0; y < MAP_HEIGHT (m); y++)
215 for (op = get_map_ob (m, x, y); op; op = otmp) 209 for (op = at (x, y).bot; op; op = otmp)
216 { 210 {
217 destroy = 0; 211 destroy = 0;
218 otmp = op->above; 212 otmp = op->above;
213
219 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 214 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
220 break; 215 break;
216
221 if (QUERY_FLAG (op, FLAG_IS_FLOOR) || 217 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
222 QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) || 218 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
223 QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) || 219 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
224 QUERY_FLAG (op, FLAG_UNIQUE) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) || QUERY_FLAG (op, FLAG_UNPAID) || IS_LIVE (op)) 220 || QUERY_FLAG (op, FLAG_UNIQUE)
221 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
222 || QUERY_FLAG (op, FLAG_UNPAID)
223 || op->is_alive ())
225 continue; 224 continue;
225
226 /* otherwise, we decay and destroy */ 226 /* otherwise, we decay and destroy */
227 if (IS_WEAPON (op)) 227 if (op->is_weapon ())
228 { 228 {
229 op->stats.dam--; 229 op->stats.dam--;
230 if (op->stats.dam < 0) 230 if (op->stats.dam < 0)
231 destroy = 1; 231 destroy = 1;
232 } 232 }
233 else if (IS_ARMOR (op)) 233 else if (op->is_armor ())
234 { 234 {
235 op->stats.ac--; 235 op->stats.ac--;
236 if (op->stats.ac < 0) 236 if (op->stats.ac < 0)
237 destroy = 1; 237 destroy = 1;
238 } 238 }
245 else 245 else
246 { 246 {
247 if (op->material & M_PAPER || op->material & M_LEATHER || 247 if (op->material & M_PAPER || op->material & M_LEATHER ||
248 op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID) 248 op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID)
249 destroy = 1; 249 destroy = 1;
250
250 if (op->material & M_IRON && rndm (1, 5) == 1) 251 if (op->material & M_IRON && rndm (1, 5) == 1)
251 destroy = 1; 252 destroy = 1;
253
252 if (op->material & M_GLASS && rndm (1, 2) == 1) 254 if (op->material & M_GLASS && rndm (1, 2) == 1)
253 destroy = 1; 255 destroy = 1;
256
254 if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1) 257 if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1)
255 destroy = 1; 258 destroy = 1;
259
256 if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1) 260 if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1)
257 destroy = 1; 261 destroy = 1;
262
258 if (op->material & M_ICE && MAP_TEMP (m) > 32) 263 if (op->material & M_ICE && temp > 32)
259 destroy = 1; 264 destroy = 1;
260 } 265 }
266
261 /* adjust overall chance below */ 267 /* adjust overall chance below */
262 if (destroy && rndm (0, 1)) 268 if (destroy && rndm (0, 1))
263 { 269 op->destroy ();
264 remove_ob (op);
265 free_object (op);
266 }
267 } 270 }
268} 271}
269 272
270/* convert materialname to materialtype_t */ 273/* convert materialname to materialtype_t */
271 274
300 return; 303 return;
301 304
302 if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) 305 if (change->materialname != NULL && strcmp (op->materialname, change->materialname))
303 return; 306 return;
304 307
305 if (!IS_ARMOR (op)) 308 if (!op->is_armor ())
306 return; 309 return;
307 310
308 mt = name_to_material (op->materialname); 311 mt = name_to_material (op->materialname);
309 if (!mt) 312 if (!mt)
310 { 313 {
356 { 359 {
357 if (op->material & mt->material && rndm (1, 100) <= mt->chance && 360 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
358 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) 361 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
359 { 362 {
360 lmt = mt; 363 lmt = mt;
361 if (!(IS_WEAPON (op) || IS_ARMOR (op))) 364 if (!(op->is_weapon () || op->is_armor ()))
362 break; 365 break;
363 } 366 }
364 } 367 }
365#endif 368#endif
366 } 369 }
374#ifndef NEW_MATERIAL_CODE 377#ifndef NEW_MATERIAL_CODE
375 op->materialname = lmt->name; 378 op->materialname = lmt->name;
376 return; 379 return;
377#else 380#else
378 381
379 if (op->stats.dam && IS_WEAPON (op)) 382 if (op->stats.dam && op->is_weapon ())
380 { 383 {
381 op->stats.dam += lmt->damage; 384 op->stats.dam += lmt->damage;
382 if (op->stats.dam < 1) 385 if (op->stats.dam < 1)
383 op->stats.dam = 1; 386 op->stats.dam = 1;
384 } 387 }
385 if (op->stats.sp && op->type == BOW) 388 if (op->stats.sp && op->type == BOW)
386 op->stats.sp += lmt->sp; 389 op->stats.sp += lmt->sp;
387 if (op->stats.wc && IS_WEAPON (op)) 390 if (op->stats.wc && op->is_weapon ())
388 op->stats.wc += lmt->wc; 391 op->stats.wc += lmt->wc;
389 if (IS_ARMOR (op)) 392 if (op->is_armor ())
390 { 393 {
391 if (op->stats.ac) 394 if (op->stats.ac)
392 op->stats.ac += lmt->ac; 395 op->stats.ac += lmt->ac;
393 for (j = 0; j < NROFATTACKS; j++) 396 for (j = 0; j < NROFATTACKS; j++)
394 if (op->resist[j] != 0) 397 if (op->resist[j] != 0)
400 op->resist[j] = -100; 403 op->resist[j] = -100;
401 } 404 }
402 } 405 }
403 op->materialname = add_string (lmt->name); 406 op->materialname = add_string (lmt->name);
404 /* dont make it unstackable if it doesn't need to be */ 407 /* dont make it unstackable if it doesn't need to be */
405 if (IS_WEAPON (op) || IS_ARMOR (op)) 408 if (op->is_weapon () || op->is_armor ())
406 { 409 {
407 op->weight = (op->weight * lmt->weight) / 100; 410 op->weight = (op->weight * lmt->weight) / 100;
408 op->value = (op->value * lmt->value) / 100; 411 op->value = (op->value * lmt->value) / 100;
409 } 412 }
410#endif 413#endif
545 return; 548 return;
546} 549}
547 550
548///////////////////////////////////////////////////////////////////////////// 551/////////////////////////////////////////////////////////////////////////////
549 552
550void *alloc (int s) throw (std::bad_alloc) 553void *salloc_ (int n) throw (std::bad_alloc)
551{ 554{
552 void *p = g_slice_alloc (s); 555 void *ptr = g_slice_alloc (n);
553 556
554 if (!p) 557 if (!ptr)
555 throw std::bad_alloc (); 558 throw std::bad_alloc ();
556 559
557 return p; 560 return ptr;
561}
562
563void *salloc_ (int n, void *src) throw (std::bad_alloc)
564{
565 void *ptr = salloc_ (n);
566
567 if (src)
568 memcpy (ptr, src, n);
569 else
570 memset (ptr, 0, n);
571
572 return ptr;
558} 573}
559 574
560void assign (char *dst, const char *src, int maxlen) 575void assign (char *dst, const char *src, int maxlen)
561{ 576{
562 if (!src) 577 if (!src)
579 } 594 }
580 else 595 else
581 memcpy (dst, src, len + 1); 596 memcpy (dst, src, len + 1);
582} 597}
583 598
599tstamp now ()
600{
601 struct timeval tv;
602
603 gettimeofday (&tv, 0);
604 return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
605}
606
607int
608similar_direction (int a, int b)
609{
610 if (!a || !b)
611 return 0;
612
613 int diff = (b - a) & 7;
614 return diff <= 1 || diff >= 7;
615}
616

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