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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.58 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.77 by root, Sun May 4 14:12:37 2008 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it 8 * Deliantra is free software: you can redistribute it and/or modify
9 * under the terms of the GNU General Public License as published by the Free 9 * it under the terms of the GNU General Public License as published by
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * the Free Software Foundation, either version 3 of the License, or
11 * any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License along 18 * You should have received a copy of the GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * 20 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 22 */
24 23
25/* 24/*
26 * General convenience functions for crossfire. 25 * General convenience functions for crossfire.
27 */ 26 */
32#include <sys/time.h> 31#include <sys/time.h>
33#include <time.h> 32#include <time.h>
34#include <signal.h> 33#include <signal.h>
35 34
36#include <global.h> 35#include <global.h>
37#include <funcpoint.h>
38#include <material.h> 36#include <material.h>
39 37
40#include <glib.h> 38#include <glib.h>
41 39
42rand_gen rndm; 40refcnt_base::refcnt_t refcnt_dummy;
41ssize_t slice_alloc;
42rand_gen rndm, rmg_rndm;
43 43
44void 44void
45tausworthe_random_generator::seed (uint32_t seed) 45tausworthe_random_generator::seed (uint32_t seed)
46{ 46{
47 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; 47 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U;
48 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; 48 state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U;
49 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; 49 state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U;
50 state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; 50 state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U;
51 51
52 for (int i = 11; --i; ) 52 for (int i = 11; --i; )
53 operator ()(); 53 operator ()();
54} 54}
55 55
204 } 204 }
205 205
206 return total; 206 return total;
207} 207}
208 208
209/* decay and destroy perishable items in a map */
210void
211maptile::decay_objects ()
212{
213 if (!spaces)
214 return;
215
216 for (mapspace *ms = spaces + size (); ms-- > spaces; )
217 for (object *above, *op = ms->bot; op; op = above)
218 {
219 above = op->above;
220
221 bool destroy = 0;
222
223 // do not decay anything above unique floor tiles (yet :)
224 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
225 break;
226
227 if (QUERY_FLAG (op, FLAG_IS_FLOOR)
228 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
229 || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
230 || QUERY_FLAG (op, FLAG_UNIQUE)
231 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
232 || QUERY_FLAG (op, FLAG_UNPAID)
233 || op->is_alive ())
234 ; // do not decay
235 else if (op->is_weapon ())
236 {
237 op->stats.dam--;
238 if (op->stats.dam < 0)
239 destroy = 1;
240 }
241 else if (op->is_armor ())
242 {
243 op->stats.ac--;
244 if (op->stats.ac < 0)
245 destroy = 1;
246 }
247 else if (op->type == FOOD)
248 {
249 op->stats.food -= rndm (5, 20);
250 if (op->stats.food < 0)
251 destroy = 1;
252 }
253 else
254 {
255 int mat = op->materials;
256
257 if (mat & M_PAPER
258 || mat & M_LEATHER
259 || mat & M_WOOD
260 || mat & M_ORGANIC
261 || mat & M_CLOTH
262 || mat & M_LIQUID
263 || (mat & M_IRON && rndm (1, 5) == 1)
264 || (mat & M_GLASS && rndm (1, 2) == 1)
265 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
266 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
267 || (mat & M_ICE && temp > 32))
268 destroy = 1;
269 }
270
271 /* adjust overall chance below */
272 if (destroy && rndm (0, 1))
273 op->destroy ();
274 }
275}
276
277/* convert materialname to materialtype_t */ 209/* convert materialname to materialtype_t */
278 210
279materialtype_t * 211materialtype_t *
280name_to_material (const shstr &name) 212name_to_material (const shstr &name)
281{ 213{
282 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) 214 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
283 if (name == mt->name) 215 if (name == mt->name)
284 return mt; 216 return mt;
285 217
286 return materialt; 218 return 0;
287} 219}
288 220
289/* when doing transmutation of objects, we have to recheck the resistances, 221/* when doing transmutation of objects, we have to recheck the resistances,
290 * as some that did not apply previously, may apply now. 222 * as some that did not apply previously, may apply now.
291 */ 223 */
292
293void 224void
294transmute_materialname (object *op, const object *change) 225transmute_materialname (object *op, const object *change)
295{ 226{
296 materialtype_t *mt; 227 materialtype_t *mt;
297 int j; 228 int j;
327void 258void
328set_materialname (object *op, int difficulty, materialtype_t *nmt) 259set_materialname (object *op, int difficulty, materialtype_t *nmt)
329{ 260{
330 materialtype_t *mt, *lmt; 261 materialtype_t *mt, *lmt;
331 262
332#ifdef NEW_MATERIAL_CODE
333 int j;
334#endif
335
336 if (op->materialname != NULL) 263 if (op->materialname != NULL)
337 return; 264 return;
338 265
339
340
341 if (nmt == NULL) 266 if (nmt == NULL)
342 { 267 {
343 lmt = NULL; 268 lmt = NULL;
344#ifndef NEW_MATERIAL_CODE 269
345 for (mt = materialt; mt && mt->next; mt = mt->next) 270 for (mt = materialt; mt && mt->next; mt = mt->next)
346 { 271 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
347 if (op->materials & mt->material) 272 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
348 { 273 {
349 lmt = mt; 274 lmt = mt;
275 if (!(op->is_weapon () || op->is_armor ()))
350 break; 276 break;
351 } 277 }
352 }
353
354#else
355 for (mt = materialt; mt && mt->next; mt = mt->next)
356 {
357 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
358 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
359 {
360 lmt = mt;
361 if (!(op->is_weapon () || op->is_armor ()))
362 break;
363 }
364 }
365#endif
366 } 278 }
367 else 279 else
368 {
369 lmt = nmt; 280 lmt = nmt;
370 }
371 281
372 if (lmt != NULL) 282 if (lmt != NULL)
373 { 283 {
374#ifndef NEW_MATERIAL_CODE
375 op->materialname = lmt->name;
376 return;
377#else
378
379 if (op->stats.dam && op->is_weapon ()) 284 if (op->stats.dam && op->is_weapon ())
380 { 285 {
381 op->stats.dam += lmt->damage; 286 op->stats.dam += lmt->damage;
382 if (op->stats.dam < 1) 287 if (op->stats.dam < 1)
383 op->stats.dam = 1; 288 op->stats.dam = 1;
389 op->stats.wc += lmt->wc; 294 op->stats.wc += lmt->wc;
390 if (op->is_armor ()) 295 if (op->is_armor ())
391 { 296 {
392 if (op->stats.ac) 297 if (op->stats.ac)
393 op->stats.ac += lmt->ac; 298 op->stats.ac += lmt->ac;
299
394 for (j = 0; j < NROFATTACKS; j++) 300 for (int j = 0; j < NROFATTACKS; j++)
395 if (op->resist[j] != 0) 301 if (op->resist[j] != 0)
396 { 302 {
397 op->resist[j] += lmt->mod[j]; 303 op->resist[j] += lmt->mod[j];
398 if (op->resist[j] > 100) 304 if (op->resist[j] > 100)
399 op->resist[j] = 100; 305 op->resist[j] = 100;
400 if (op->resist[j] < -100) 306 if (op->resist[j] < -100)
401 op->resist[j] = -100; 307 op->resist[j] = -100;
402 } 308 }
403 } 309 }
310
404 op->materialname = lmt->name; 311 op->materialname = lmt->name;
405 /* dont make it unstackable if it doesn't need to be */ 312 /* dont make it unstackable if it doesn't need to be */
406 if (op->is_weapon () || op->is_armor ()) 313 if (op->is_weapon () || op->is_armor ())
407 { 314 {
408 op->weight = (op->weight * lmt->weight) / 100; 315 op->weight = (op->weight * lmt->weight) / 100;
409 op->value = (op->value * lmt->value) / 100; 316 op->value = (op->value * lmt->value) / 100;
410 } 317 }
411#endif
412 } 318 }
413} 319}
414 320
415/* 321/*
416 * Strip out the media tags from a String. 322 * Strip out the media tags from a String.
511 * a 'list' for the purposes here, is a string of items, seperated by commas, except 417 * a 'list' for the purposes here, is a string of items, seperated by commas, except
512 * for the last entry, which has an 'and' before it, and a full stop (period) after it. 418 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
513 * This function will also strip all trailing non alphanumeric characters. 419 * This function will also strip all trailing non alphanumeric characters.
514 * It does not insert an oxford comma. 420 * It does not insert an oxford comma.
515 */ 421 */
516
517void 422void
518make_list_like (char *input) 423make_list_like (char *input)
519{ 424{
520 char *p, tmp[MAX_BUF]; 425 char *p, tmp[MAX_BUF];
521 int i; 426 int i;
563 LOG (llevError, "fork abort: %s\n", msg); 468 LOG (llevError, "fork abort: %s\n", msg);
564} 469}
565 470
566void *salloc_ (int n) throw (std::bad_alloc) 471void *salloc_ (int n) throw (std::bad_alloc)
567{ 472{
568#ifdef PREFER_MALLOC
569 void *ptr = malloc (n);
570#else
571 void *ptr = g_slice_alloc (n); 473 void *ptr = g_slice_alloc (n);
572#endif
573 474
574 if (!ptr) 475 if (!ptr)
575 throw std::bad_alloc (); 476 throw std::bad_alloc ();
576 477
478 slice_alloc += n;
577 return ptr; 479 return ptr;
578} 480}
579 481
580void *salloc_ (int n, void *src) throw (std::bad_alloc) 482void *salloc_ (int n, void *src) throw (std::bad_alloc)
581{ 483{
587 memset (ptr, 0, n); 489 memset (ptr, 0, n);
588 490
589 return ptr; 491 return ptr;
590} 492}
591 493
494/******************************************************************************/
495
496#if DEBUG_SALLOC
497
498#define MAGIC 0xa1b2c35543deadLL
499
500void *g_slice_alloc (unsigned long size)
501{
502 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
503 *p++ = size ^ MAGIC;
504 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
505 return (void *)p;
506}
507
508void *g_slice_alloc0 (unsigned long size)
509{
510 return memset (g_slice_alloc (size), 0, size);
511}
512
513void g_slice_free1 (unsigned long size, void *ptr)
514{
515 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
516 if (expect_true (ptr))
517 {
518 unsigned long *p = (unsigned long *)ptr;
519 unsigned long s = *--p ^ MAGIC;
520
521 if (size != (unsigned long)(*p ^ MAGIC))
522 {
523 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
524 abort ();
525 }
526
527 *p = MAGIC;
528
529 (g_slice_free1)(s + sizeof (unsigned long), p);
530 }
531}
532
533#endif
534
535/******************************************************************************/
536
592void assign (char *dst, const char *src, int maxlen) 537void assign (char *dst, const char *src, int maxlen)
593{ 538{
594 if (!src) 539 if (!src)
595 src = ""; 540 src = "";
596 541
611 } 556 }
612 else 557 else
613 memcpy (dst, src, len + 1); 558 memcpy (dst, src, len + 1);
614} 559}
615 560
616const std::string 561const char *
617format (const char *format, ...) 562format (const char *format, ...)
618{ 563{
619 int len; 564 static dynbuf_text buf;
620 565
621 { 566 buf.clear ();
622 char buf[128];
623 567
624 va_list ap; 568 va_list ap;
625 va_start (ap, format); 569 va_start (ap, format);
626 len = vsnprintf (buf, sizeof (buf), format, ap); 570 buf.vprintf (format, ap);
627 va_end (ap); 571 va_end (ap);
628 572
629 assert (len >= 0); // shield againstz broken vsnprintf's
630
631 // was our static buffer short enough?
632 if (len < sizeof (buf))
633 return std::string (buf, len);
634 }
635
636 {
637 // longer, try harder
638 char *buf = salloc<char> (len + 1);
639
640 va_list ap;
641 va_start (ap, format);
642 vsnprintf (buf, len + 1, format, ap);
643 va_end (ap);
644
645 const std::string s (buf, len);
646 sfree<char> (buf, len + 1);
647
648 return buf; 573 return buf;
649 }
650} 574}
651 575
652tstamp now () 576tstamp now ()
653{ 577{
654 struct timeval tv; 578 struct timeval tv;
722 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, 646 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
723 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, 647 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
724 0x2d02ef8dL 648 0x2d02ef8dL
725}; 649};
726 650
651void thread::start (void *(*start_routine)(void *), void *arg)
652{
653 pthread_attr_t attr;
727 654
655 pthread_attr_init (&attr);
656 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
657 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
658 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
659#ifdef PTHREAD_SCOPE_PROCESS
660 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
661#endif
662
663 sigset_t fullsigset, oldsigset;
664 sigfillset (&fullsigset);
665
666 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
667
668 if (pthread_create (&id, &attr, start_routine, arg))
669 cleanup ("unable to create a new thread");
670
671 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
672}
673

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