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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.13 by root, Tue Sep 12 21:10:31 2006 UTC vs.
Revision 1.35 by root, Mon Jan 1 13:31:46 2007 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 if (!spaces)
208 object *op, *otmp;
209
210 if (m->unique)
211 return; 205 return;
212 206
213 for (x = 0; x < MAP_WIDTH (m); x++) 207 for (mapspace *ms = spaces + size (); ms-- > spaces; )
214 for (y = 0; y < MAP_HEIGHT (m); y++) 208 for (object *above, *op = ms->bot; op; op = above)
215 for (op = get_map_ob (m, x, y); op; op = otmp)
216 { 209 {
210 above = op->above;
211
217 destroy = 0; 212 bool destroy = 0;
218 otmp = op->above; 213
214 // do not decay anything above unique floor tiles (yet :)
219 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 215 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
220 break; 216 break;
217
221 if (QUERY_FLAG (op, FLAG_IS_FLOOR) || 218 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
222 QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) || 219 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
223 QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) || 220 || 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)) 221 || QUERY_FLAG (op, FLAG_UNIQUE)
225 continue; 222 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
226 /* otherwise, we decay and destroy */ 223 || QUERY_FLAG (op, FLAG_UNPAID)
227 if (IS_WEAPON (op)) 224 || op->is_alive ())
225 ; // do not decay
226 else if (op->is_weapon ())
228 { 227 {
229 op->stats.dam--; 228 op->stats.dam--;
230 if (op->stats.dam < 0) 229 if (op->stats.dam < 0)
231 destroy = 1; 230 destroy = 1;
232 } 231 }
233 else if (IS_ARMOR (op)) 232 else if (op->is_armor ())
234 { 233 {
235 op->stats.ac--; 234 op->stats.ac--;
236 if (op->stats.ac < 0) 235 if (op->stats.ac < 0)
237 destroy = 1; 236 destroy = 1;
238 } 237 }
239 else if (op->type == FOOD) 238 else if (op->type == FOOD)
240 { 239 {
241 op->stats.food -= rndm (5, 20); 240 op->stats.food -= rndm (5, 20);
242 if (op->stats.food < 0) 241 if (op->stats.food < 0)
243 destroy = 1; 242 destroy = 1;
244 } 243 }
245 else 244 else
246 { 245 {
247 if (op->material & M_PAPER || op->material & M_LEATHER || 246 int mat = op->material;
248 op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID) 247
248 if (mat & M_PAPER
249 || mat & M_LEATHER
250 || mat & M_WOOD
251 || mat & M_ORGANIC
252 || mat & M_CLOTH
253 || mat & M_LIQUID
254 || (mat & M_IRON && rndm (1, 5) == 1)
255 || (mat & M_GLASS && rndm (1, 2) == 1)
256 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
257 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
258 || (mat & M_ICE && temp > 32))
249 destroy = 1; 259 destroy = 1;
250 if (op->material & M_IRON && rndm (1, 5) == 1)
251 destroy = 1;
252 if (op->material & M_GLASS && rndm (1, 2) == 1)
253 destroy = 1;
254 if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1)
255 destroy = 1;
256 if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1)
257 destroy = 1;
258 if (op->material & M_ICE && MAP_TEMP (m) > 32)
259 destroy = 1;
260 } 260 }
261
261 /* adjust overall chance below */ 262 /* adjust overall chance below */
262 if (destroy && rndm (0, 1)) 263 if (destroy && rndm (0, 1))
263 { 264 op->destroy ();
264 remove_ob (op);
265 free_object (op);
266 }
267 } 265 }
268} 266}
269 267
270/* convert materialname to materialtype_t */ 268/* convert materialname to materialtype_t */
271 269
272materialtype_t * 270materialtype_t *
300 return; 298 return;
301 299
302 if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) 300 if (change->materialname != NULL && strcmp (op->materialname, change->materialname))
303 return; 301 return;
304 302
305 if (!IS_ARMOR (op)) 303 if (!op->is_armor ())
306 return; 304 return;
307 305
308 mt = name_to_material (op->materialname); 306 mt = name_to_material (op->materialname);
309 if (!mt) 307 if (!mt)
310 { 308 {
356 { 354 {
357 if (op->material & mt->material && rndm (1, 100) <= mt->chance && 355 if (op->material & mt->material && rndm (1, 100) <= mt->chance &&
358 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) 356 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
359 { 357 {
360 lmt = mt; 358 lmt = mt;
361 if (!(IS_WEAPON (op) || IS_ARMOR (op))) 359 if (!(op->is_weapon () || op->is_armor ()))
362 break; 360 break;
363 } 361 }
364 } 362 }
365#endif 363#endif
366 } 364 }
374#ifndef NEW_MATERIAL_CODE 372#ifndef NEW_MATERIAL_CODE
375 op->materialname = lmt->name; 373 op->materialname = lmt->name;
376 return; 374 return;
377#else 375#else
378 376
379 if (op->stats.dam && IS_WEAPON (op)) 377 if (op->stats.dam && op->is_weapon ())
380 { 378 {
381 op->stats.dam += lmt->damage; 379 op->stats.dam += lmt->damage;
382 if (op->stats.dam < 1) 380 if (op->stats.dam < 1)
383 op->stats.dam = 1; 381 op->stats.dam = 1;
384 } 382 }
385 if (op->stats.sp && op->type == BOW) 383 if (op->stats.sp && op->type == BOW)
386 op->stats.sp += lmt->sp; 384 op->stats.sp += lmt->sp;
387 if (op->stats.wc && IS_WEAPON (op)) 385 if (op->stats.wc && op->is_weapon ())
388 op->stats.wc += lmt->wc; 386 op->stats.wc += lmt->wc;
389 if (IS_ARMOR (op)) 387 if (op->is_armor ())
390 { 388 {
391 if (op->stats.ac) 389 if (op->stats.ac)
392 op->stats.ac += lmt->ac; 390 op->stats.ac += lmt->ac;
393 for (j = 0; j < NROFATTACKS; j++) 391 for (j = 0; j < NROFATTACKS; j++)
394 if (op->resist[j] != 0) 392 if (op->resist[j] != 0)
400 op->resist[j] = -100; 398 op->resist[j] = -100;
401 } 399 }
402 } 400 }
403 op->materialname = add_string (lmt->name); 401 op->materialname = add_string (lmt->name);
404 /* dont make it unstackable if it doesn't need to be */ 402 /* dont make it unstackable if it doesn't need to be */
405 if (IS_WEAPON (op) || IS_ARMOR (op)) 403 if (op->is_weapon () || op->is_armor ())
406 { 404 {
407 op->weight = (op->weight * lmt->weight) / 100; 405 op->weight = (op->weight * lmt->weight) / 100;
408 op->value = (op->value * lmt->value) / 100; 406 op->value = (op->value * lmt->value) / 100;
409 } 407 }
410#endif 408#endif
543 strcpy (input, tmp); 541 strcpy (input, tmp);
544 542
545 return; 543 return;
546} 544}
547 545
546/////////////////////////////////////////////////////////////////////////////
547
548void *alloc (int s) throw (std::bad_alloc) 548void *salloc_ (int n) throw (std::bad_alloc)
549{ 549{
550 void *p = g_slice_alloc (s); 550 void *ptr = g_slice_alloc (n);
551 551
552 if (!p) 552 if (!ptr)
553 throw std::bad_alloc (); 553 throw std::bad_alloc ();
554 554
555 return p; 555 return ptr;
556}
557
558void *salloc_ (int n, void *src) throw (std::bad_alloc)
559{
560 void *ptr = salloc_ (n);
561
562 if (src)
563 memcpy (ptr, src, n);
564 else
565 memset (ptr, 0, n);
566
567 return ptr;
556} 568}
557 569
558void assign (char *dst, const char *src, int maxlen) 570void assign (char *dst, const char *src, int maxlen)
559{ 571{
560 if (!src) 572 if (!src)
577 } 589 }
578 else 590 else
579 memcpy (dst, src, len + 1); 591 memcpy (dst, src, len + 1);
580} 592}
581 593
594tstamp now ()
595{
596 struct timeval tv;
597
598 gettimeofday (&tv, 0);
599 return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
600}
601
602int
603similar_direction (int a, int b)
604{
605 if (!a || !b)
606 return 0;
607
608 int diff = (b - a) & 7;
609 return diff <= 1 || diff >= 7;
610}
611

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