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Revision: 1.133
Committed: Mon Sep 29 10:31:32 2008 UTC (15 years, 7 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_72, rel-2_73
Changes since 1.132: +1 -4 lines
Log Message:
introduce drop_and_destroy and use it

File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
24 #include <global.h>
25 #include <object.h>
26 #include <tod.h>
27
28 #include <sproto.h>
29 #include <time.h>
30
31 #include <glib.h>
32
33 #include <../random_maps/random_map.h>
34 #include <../random_maps/rproto.h>
35 #include "path.h"
36
37 static char days[7][4] = {
38 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
39 };
40
41 void
42 version (object *op)
43 {
44 new_draw_info_format (NDI_UNIQUE, 0, op, "This is Deliantra v%s", VERSION);
45
46 #if 0
47 new_draw_info (NDI_UNIQUE, 0, op, "Authors and contributors to this program:");
48 new_draw_info (NDI_UNIQUE, 0, op, "Marc A. Lehmann <pcg@goof.com>");
49 new_draw_info (NDI_UNIQUE, 0, op, "Robin Redeker <elmex@x-paste.de>");
50 new_draw_info (NDI_UNIQUE, 0, op, "Pippijn van Steenhoven <pip88nl@gmail.com>");
51 new_draw_info (NDI_UNIQUE, 0, op, "");
52 new_draw_info (NDI_UNIQUE, 0, op, "Authors and contributors to the original Crossfire:");
53 new_draw_info (NDI_UNIQUE, 0, op, "Mark Wedel <mwedel@sonic.net>");
54 new_draw_info (NDI_UNIQUE, 0, op, "Frank Tore Johansen <frankj@ifi.uio.no>");
55 new_draw_info (NDI_UNIQUE, 0, op, "Kjetil Torgrim Homme <kjetilho@ifi.uio.no>");
56 new_draw_info (NDI_UNIQUE, 0, op, "Tyler Van Gorder <tvangod@ecst.csuchico.edu>");
57 new_draw_info (NDI_UNIQUE, 0, op, "Tony Elmroth <elmroth@cd.chalmers.se>");
58 new_draw_info (NDI_UNIQUE, 0, op, "Dougal Scott <dougal.scott@fcit.monasu.edu.au>");
59 new_draw_info (NDI_UNIQUE, 0, op, "William <wchuang@athena.mit.edu>");
60 new_draw_info (NDI_UNIQUE, 0, op, "Geoff Bailey <ftww@cs.su.oz.au>");
61 new_draw_info (NDI_UNIQUE, 0, op, "Kjetil Wiekhorst Jørgensen <jorgens@flipper.pvv.unit.no>");
62 new_draw_info (NDI_UNIQUE, 0, op, "Cameron Blackwood <c.blackwood@rdt.monash.edu.au>");
63 new_draw_info (NDI_UNIQUE, 0, op, "Joseph L. Traub <jtraub+@cmu.edu>");
64 new_draw_info (NDI_UNIQUE, 0, op, "Rupert G. Goldie <rgg@aaii.oz.au>");
65 new_draw_info (NDI_UNIQUE, 0, op, "Eric A. Anderson <eanders+@cmu.edu>");
66 new_draw_info (NDI_UNIQUE, 0, op, "Rickard Eneqvist <eneq@Prag.DoCS.UU.SE>");
67 new_draw_info (NDI_UNIQUE, 0, op, "Jarkko Sonninen <Jarkko.Sonninen@lut.fi>");
68 new_draw_info (NDI_UNIQUE, 0, op, "Karl Holland <kholland@sunlab.cit.cornell.du>");
69 new_draw_info (NDI_UNIQUE, 0, op, "Mikael Lundgren <vick@bern.docs.uu.se>");
70 new_draw_info (NDI_UNIQUE, 0, op, "Mikael Olsson <mol@meryl.csd.uu.se>");
71 new_draw_info (NDI_UNIQUE, 0, op, "Tero Haatanen <Tero.Haatanen@lut.fi>");
72 new_draw_info (NDI_UNIQUE, 0, op, "Lasse Ylitalo <ylitalo@student.docs.uu.se>");
73 new_draw_info (NDI_UNIQUE, 0, op, "Niilo Neuvo <anipa@guru.magic.fi>");
74 new_draw_info (NDI_UNIQUE, 0, op, "Markku J{rvinen <mta@modeemi.cs.tut.fi>");
75 new_draw_info (NDI_UNIQUE, 0, op, "Sylvain Meunier <meunier@inf.enst.fr>");
76 new_draw_info (NDI_UNIQUE, 0, op, "Jason Fosback <jfosback@darmok.uoregon.edu>");
77 new_draw_info (NDI_UNIQUE, 0, op, "Carl Edman <cedman@capitalist.princeton.edu>");
78 new_draw_info (NDI_UNIQUE, 0, op, "Charles Henrich <henrich@crh.cl.msu.edu>");
79 new_draw_info (NDI_UNIQUE, 0, op, "Gregor Schmid <schmid@fb3-s7.math.tu-berlin.de>");
80 new_draw_info (NDI_UNIQUE, 0, op, "Raphael Quinet <quinet@montefiore.ulg.ac.be>");
81 new_draw_info (NDI_UNIQUE, 0, op, "Jari Vanhala <jam@modeemi.cs.tut.fi>");
82 new_draw_info (NDI_UNIQUE, 0, op, "Tero Kivinen <kivinen@joker.cs.hut.fi>");
83 new_draw_info (NDI_UNIQUE, 0, op, "Peter Mardahl <peterm@soda.berkeley.edu>");
84 new_draw_info (NDI_UNIQUE, 0, op, "Matthew Zeher <matt@cs.odu.edu>");
85 new_draw_info (NDI_UNIQUE, 0, op, "Scott R. Turner <srt@sun-dimas.aero.org>");
86 new_draw_info (NDI_UNIQUE, 0, op, "Ben Fennema <huma@netcom.com>");
87 new_draw_info (NDI_UNIQUE, 0, op, "Nick Williams <njw@cs.city.ac.uk>");
88 new_draw_info (NDI_UNIQUE, 0, op, "Laurent Wacrenier <Wacren@Gin.ObsPM.Fr>");
89 new_draw_info (NDI_UNIQUE, 0, op, "Brian Thomas <thomas@astro.psu.edu>");
90 new_draw_info (NDI_UNIQUE, 0, op, "John Steven Moerk <jsm@axon.ksc.nasa.gov>");
91 new_draw_info (NDI_UNIQUE, 0, op, "Delbecq David <david.delbecq@mailandnews.com>");
92 new_draw_info (NDI_UNIQUE, 0, op, "Chachkoff Yann <yann.chachkoff@mailandnews.com>\n");
93 new_draw_info (NDI_UNIQUE, 0, op, "");
94 new_draw_info (NDI_UNIQUE, 0, op, "Images and art:");
95 new_draw_info (NDI_UNIQUE, 0, op, "Peter Gardner");
96 new_draw_info (NDI_UNIQUE, 0, op, "David Gervais <david_eg@mail.com>");
97 new_draw_info (NDI_UNIQUE, 0, op, "Mitsuhiro Itakura <ita@gold.koma.jaeri.go.jp>");
98 new_draw_info (NDI_UNIQUE, 0, op, "Hansjoerg Malthaner <hansjoerg.malthaner@danet.de>");
99 new_draw_info (NDI_UNIQUE, 0, op, "Mårten Woxberg <maxmc@telia.com>");
100 new_draw_info (NDI_UNIQUE, 0, op, "");
101 new_draw_info (NDI_UNIQUE, 0, op, "And many more!");
102 #endif
103 }
104
105 /* This is a basic little function to put the player back to his
106 * savebed. We do some error checking - its possible that the
107 * savebed map may no longer exist, so we make sure the player
108 * goes someplace.
109 */
110 void
111 enter_player_savebed (object *op)
112 {
113 op->player_goto (op->contr->savebed_map, op->contr->bed_x, op->contr->bed_y);
114 }
115
116 /*
117 * enter_map(): Moves the player and pets from current map (if any) to
118 * new map. map, x, y must be set. map is the map we are moving the
119 * player to - it could be the map he just came from if the load failed for
120 * whatever reason. If default map coordinates are to be used, then
121 * the function that calls this should figure them out.
122 */
123 void
124 object::enter_map (maptile *newmap, int x, int y)
125 {
126 if (destroyed () || !newmap || newmap->in_memory != MAP_ACTIVE)
127 return;
128
129 if (out_of_map (newmap, x, y))
130 {
131 LOG (llevError, "enter_map: supplied coordinates are not within the map! (%s: %d, %d)\n", &newmap->path, x, y);
132 x = newmap->enter_x;
133 y = newmap->enter_y;
134 if (out_of_map (newmap, x, y))
135 {
136 LOG (llevError, "enter_map: map %s provides invalid default enter location (%d, %d) > (%d, %d)\n",
137 &newmap->path, x, y, newmap->width, newmap->height);
138 new_draw_info (NDI_UNIQUE, 0, this, "The exit is closed");
139 return;
140 }
141 }
142
143 if (contr && map != newmap && map)
144 if (INVOKE_MAP (LEAVE, map, ARG_PLAYER (contr)))
145 return;
146
147 // remove, so stupid ob_locked does not trigger a failure
148 remove ();
149
150 /* try to find a spot for the player */
151 if (blocked (newmap, x, y))
152 { /* First choice blocked */
153 /* We try to find a spot for the player, starting closest in.
154 * We could use find_first_free_spot, but that doesn't randomize it at all,
155 * So for example, if the north space is free, you would always end up there even
156 * if other spaces around are available.
157 * Note that for the second and third calls, we could start at a position other
158 * than one, but then we could end up on the other side of walls and so forth.
159 */
160 int i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE1 + 1);
161
162 if (i == -1)
163 {
164 i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE2 + 1);
165 if (i == -1)
166 i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE);
167 }
168
169 if (i != -1)
170 {
171 x += freearr_x[i];
172 y += freearr_y[i];
173 }
174 else
175 /* not much we can do in this case. */
176 LOG (llevInfo, "enter_map: Could not find free spot for player - will dump on top of object (%s: %d, %d)\n", &newmap->path, x, y);
177 }
178
179 if (contr && map != newmap)
180 {
181 if (INVOKE_PLAYER (MAP_CHANGE, contr, ARG_MAP (newmap), ARG_INT (x), ARG_INT (y)))
182 return;
183
184 if (INVOKE_MAP (ENTER, newmap, ARG_PLAYER (contr), ARG_INT (x), ARG_INT (y)))
185 return;
186 }
187
188 this->x = x;
189 this->y = y;
190 map = newmap;
191
192 insert_ob_in_map (this, map, 0, INS_NO_WALK_ON);
193
194 enemy = 0;
195
196 if (contr)
197 {
198 contr->maplevel = newmap->path;
199 contr->count = 0;
200 }
201
202 /* Update any golems */
203 if (type == PLAYER)
204 if (object *golem = contr->golem)
205 {
206 int i = find_free_spot (golem, newmap, x, y, 1, SIZEOFFREE);
207
208 if (i < 0)
209 golem->drop_and_destroy ();
210 else
211 {
212 newmap->insert (golem, x + freearr_x[i], y + freearr_y[i]);
213 golem->direction = find_dir_2 (x - golem->x, y - golem->y);
214 }
215 }
216
217 /* since the players map is already loaded, we don't need to worry
218 * about pending objects.
219 */
220 remove_all_pets (newmap);
221 }
222
223 /* process_players1 and process_players2 do all the player related stuff.
224 * I moved it out of process events and process_map. This was to some
225 * extent for debugging as well as to get a better idea of the time used
226 * by the various functions. process_players1() does the processing before
227 * objects have been updated, process_players2() does the processing that
228 * is needed after the players have been updated.
229 */
230 static void
231 process_players1 ()
232 {
233 /* Basically, we keep looping until all the players have done their actions. */
234 for (int flag = 1; flag != 0;)
235 {
236 flag = 0;
237 for_all_players (pl)
238 {
239 pl->refcnt_chk ();
240
241 if (expect_false (!pl->ob || !pl->ns || !pl->ob->active))
242 continue;
243
244 if (handle_newcs_player (pl->ob))
245 flag = 1;
246 }
247 }
248
249 for_all_players (pl)
250 {
251 object *ob = pl->ob;
252
253 if (expect_false (!ob || !pl->ns || !ob->active))
254 continue;
255
256 do_some_living (ob);
257 }
258 }
259
260 static void
261 process_players2 ()
262 {
263 /* Then check if any players should use weapon-speed instead of speed */
264 for_all_players (pl)
265 {
266 pl->weapon_sp_left = min (pl->weapon_sp, pl->weapon_sp_left + pl->weapon_sp);
267 pl->ob->speed_left = min (pl->ob->speed, pl->ob->speed_left + pl->ob->speed);
268 }
269 }
270
271 void
272 process_events ()
273 {
274 process_players1 ();
275
276 for_all_actives (op)
277 {
278 /* Now process op */
279 if (expect_false (QUERY_FLAG (op, FLAG_FREED)))
280 {
281 LOG (llevError, "BUG: process_events(): Free object on list\n");
282 op->set_speed (0);
283 continue;
284 }
285
286 if (expect_false (!op->has_active_speed ()))
287 {
288 LOG (llevError, "BUG: process_events(): Object %s has no speed (%f), "
289 "but is on active list\n", op->debug_desc (), op->speed);
290 op->set_speed (0);
291 continue;
292 }
293
294 if (expect_false (op->flag [FLAG_REMOVED]))
295 {
296 LOG (llevError, "BUG: process_events(): removed object is on active list: %s\n",
297 op->debug_desc ());
298 op->set_speed (0);
299 continue;
300 }
301
302 /* Animate the object. Bug or feature that anim_speed
303 * is based on ticks, and not the creatures speed?
304 */
305 if (op->anim_speed && op->last_anim >= op->anim_speed)
306 {
307 animate_object (op, op->contr ? op->facing : op->direction);
308 op->last_anim = 1;
309 }
310 else
311 ++op->last_anim;
312
313 if (expect_false (op->speed_left > 0.f))
314 {
315 --op->speed_left;
316 process_object (op);
317 }
318
319 if (expect_true (!op->contr))
320 op->speed_left = min (abs (op->speed), op->speed_left + abs (op->speed));
321 }
322
323 process_players2 ();
324 }
325
326 /* clean up everything before exiting */
327 void
328 emergency_save ()
329 {
330 LOG (llevDebug, "emergency save begin.\n");
331
332 cfperl_emergency_save ();
333
334 LOG (llevDebug, "saving book archive.\n");
335 write_book_archive ();
336
337 LOG (llevDebug, "emergency save done.\n");
338 }
339
340 // send all clients some informational text
341 static void
342 cleanup_inform (const char *cause, bool make_core)
343 {
344 int flags = NDI_REPLY | NDI_UNIQUE | NDI_ALL | (make_core ? NDI_RED : NDI_GREEN);
345
346 new_draw_info_format (flags, 0, 0, "The server will now shutdown.");
347 new_draw_info_format (flags, 0, 0, "Cause for this shutdown: %s", cause);
348
349 if (make_core)
350 new_draw_info_format (flags, 0, 0, "This is considered a crash, but all maps and players have been saved.");
351 else
352 new_draw_info_format (flags, 0, 0, "This is considered to be a clean shutdown, and all maps and players will be saved now.");
353
354 new_draw_info_format (flags, 0, 0, "%s", CLEANUP_MESSAGE);
355
356 client::flush_sockets ();
357 }
358
359 /* clean up everything before exiting */
360 void
361 cleanup (const char *cause, bool make_core)
362 {
363 if (make_core)
364 fork_abort (cause);
365
366 LOG (llevError, "cleanup cause: %s\n", cause);
367
368 if (!make_core)
369 cleanup_inform (cause, make_core);
370
371 LOG (llevDebug, "cleanup begin.\n");
372
373 if (init_done && !in_cleanup)
374 {
375 in_cleanup = true;
376 emergency_save ();
377 }
378 else
379 in_cleanup = true;
380
381 LOG (llevDebug, "running cleanup handlers.\n");
382 INVOKE_GLOBAL (CLEANUP);
383
384 LOG (llevDebug, "cleanup done.\n");
385
386 log_cleanup ();
387
388 if (make_core)
389 cleanup_inform (cause, make_core);
390 else
391 {
392 new_draw_info_format (NDI_REPLY | NDI_UNIQUE | NDI_ALL | NDI_GREEN, 0, 0, "Maps and players successfully saved, exiting.");
393 new_draw_info_format (NDI_REPLY | NDI_UNIQUE | NDI_ALL | NDI_GREEN, 0, 0, "And again: " CLEANUP_MESSAGE);
394 client::flush_sockets ();
395 }
396
397 cfperl_cleanup (make_core);
398 _exit (make_core);
399 }
400
401 /*
402 * do_specials() is a collection of functions to call from time to time.
403 * Modified 2000-1-14 MSW to use the global pticks count to determine how
404 * often to do things. This will allow us to spred them out more often.
405 * I use prime numbers for the factor count - in that way, it is less likely
406 * these actions will fall on the same tick (compared to say using 500/2500/15000
407 * which would mean on that 15,000 tick count a whole bunch of stuff gets
408 * done). Of course, there can still be times where multiple specials are
409 * done on the same tick, but that will happen very infrequently
410 *
411 * I also think this code makes it easier to see how often we really are
412 * doing the various things.
413 */
414 void
415 do_specials (void)
416 {
417 shstr::gc ();
418 archetype::gc ();
419
420 if (expect_false (!(pticks % TICKS_PER_HOUR)))
421 adjust_daylight ();
422
423 if (expect_false (!(pticks % 2503)))
424 fix_weight (); /* Hack to fix weightproblems caused by bugs */
425
426 if (expect_false (!(pticks % 5003)))
427 write_book_archive ();
428
429 if (expect_false (!(pticks % 5009)))
430 clean_friendly_list ();
431
432 if (expect_false (!(pticks % 5011)))
433 obsolete_parties ();
434
435 if (expect_false (!(pticks % 12503)))
436 fix_luck ();
437 }
438
439 void
440 server_tick ()
441 {
442 // first do the user visible stuff
443 INVOKE_GLOBAL (CLOCK);
444 process_events (); // "do" something with objects with speed
445 client::clock (); // draw client maps etc.
446
447 // then do some bookkeeping, should not really be here
448 do_specials (); /* Routines called from time to time. */
449 attachable::check_mortals ();
450
451 ++pticks;
452 }
453
454 #if 0
455 // used fro benchmarking (x86/amd64-specific)
456 typedef unsigned long tval;
457 typedef unsigned long long stamp64;
458
459 extern inline tval
460 stamp (void)
461 {
462 tval tsc;
463 asm volatile ("rdtsc":"=a" (tsc)::"edx");
464
465 return tsc;
466 }
467
468 extern inline tval
469 measure (tval t)
470 {
471 tval tsc;
472 asm volatile ("rdtsc":"=a" (tsc)::"edx");
473
474 if (tsc > t)
475 return tsc - t;
476 else
477 return t - tsc;
478 }
479
480 int
481 main (int argc, char **argv)
482 {
483 rand_gen rg(0);
484 tval fastest = 0x7fffffff;
485 for (int loop = 10000; loop--; )
486 {
487 tval s = stamp ();
488 volatile int i = rg.get_int(25);
489 fastest = min (fastest, measure (s));
490 }
491
492 //printf ("fastest %d\n", fastest);
493 for (int i = 0; i < 1024*1024*3; ++i)
494 {
495 char c = rg.get_int (256);
496 write (2, &c, 1);
497 }
498 }
499
500 #else
501
502 #if 0 // just goofing around, look elsewhere
503
504 #include <malloc.h>
505 #include <execinfo.h>
506
507 static void tr_on ();
508 static void tr_off ();
509
510 static SMUTEX(tr_mutex);
511
512 #define ltr_off() SMUTEX_LOCK (tr_mutex); tr_off ()
513 #define ltr_on() tr_on (); SMUTEX_UNLOCK (tr_mutex);
514
515 static void *
516 tr_malloc (size_t size, const void *caller)
517 {
518 ltr_off ();
519
520 void *bt [8];
521 backtrace (bt, 8);
522
523 void *ptr = malloc (size);
524
525 ltr_on ();
526 return (char *)ptr;
527 }
528
529 static void
530 tr_free (void *ptr, const void *caller)
531 {
532 ltr_off ();
533
534 free (ptr);
535
536 ltr_on ();
537 }
538
539 void static *
540 tr_realloc (void *ptr, size_t size, const void *caller)
541 {
542 ltr_off ();
543
544 void *nptr = realloc (ptr, size);
545
546 ltr_on ();
547 return nptr;
548 }
549
550 static void *
551 tr_memalign (size_t size, size_t alignment, const void *caller)
552 {
553 ltr_off ();
554
555 void *ptr = memalign (size, alignment < 16 ? 16 : alignment);
556
557 ltr_on ();
558 return ptr;
559 }
560
561 static void
562 tr_on ()
563 {
564 __malloc_hook = tr_malloc;
565 __realloc_hook = tr_realloc;
566 __free_hook = tr_free;
567 __memalign_hook = tr_memalign;
568 }
569
570 static void
571 tr_off ()
572 {
573 __malloc_hook = 0;
574 __realloc_hook = 0;
575 __free_hook = 0;
576 __memalign_hook = 0;
577 }
578
579 void (*__malloc_initialize_hook)(void) = tr_on;
580
581 #endif
582
583 // normal main
584 int
585 main (int argc, char **argv)
586 {
587 settings.argc = argc;
588 settings.argv = argv;
589
590 g_thread_init (0); // for the slice allocator only
591
592 init (argc, argv);
593
594 for (;;)
595 cfperl_main ();
596 }
597 #endif
598
599 #if 0
600 int xyzzy ()
601 {
602 return rndm(8);
603 }
604
605 void xyzzy (object_ptr &a, object_ptr &o)
606 {
607 asm volatile ("int3");
608 a = o;
609 asm volatile ("int3");
610 }
611 #endif
612