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Revision: 1.114
Committed: Wed Sep 5 05:48:36 2007 UTC (16 years, 9 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.113: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 /*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT 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 <crossfire@schmorp.de>
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 <../random_maps/random_map.h>
32 #include <../random_maps/rproto.h>
33 #include "path.h"
34
35 static char days[7][4] = {
36 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
37 };
38
39 void
40 version (object *op)
41 {
42 new_draw_info_format (NDI_UNIQUE, 0, op, "This is Crossfire+ v%s", VERSION);
43
44 new_draw_info (NDI_UNIQUE, 0, op, "Authors and contributors to this program:");
45 new_draw_info (NDI_UNIQUE, 0, op, "Marc A. Lehmann <pcg@goof.com>");
46 new_draw_info (NDI_UNIQUE, 0, op, "Robin Redeker <elmex@x-paste.de>");
47 new_draw_info (NDI_UNIQUE, 0, op, "Pippijn van Steenhoven <pip88nl@gmail.com>");
48 new_draw_info (NDI_UNIQUE, 0, op, "");
49 new_draw_info (NDI_UNIQUE, 0, op, "Authors and contributors to the original Crossfire:");
50 new_draw_info (NDI_UNIQUE, 0, op, "Mark Wedel <mwedel@sonic.net>");
51 new_draw_info (NDI_UNIQUE, 0, op, "Frank Tore Johansen <frankj@ifi.uio.no>");
52 new_draw_info (NDI_UNIQUE, 0, op, "Kjetil Torgrim Homme <kjetilho@ifi.uio.no>");
53 new_draw_info (NDI_UNIQUE, 0, op, "Tyler Van Gorder <tvangod@ecst.csuchico.edu>");
54 new_draw_info (NDI_UNIQUE, 0, op, "Tony Elmroth <elmroth@cd.chalmers.se>");
55 new_draw_info (NDI_UNIQUE, 0, op, "Dougal Scott <dougal.scott@fcit.monasu.edu.au>");
56 new_draw_info (NDI_UNIQUE, 0, op, "William <wchuang@athena.mit.edu>");
57 new_draw_info (NDI_UNIQUE, 0, op, "Geoff Bailey <ftww@cs.su.oz.au>");
58 new_draw_info (NDI_UNIQUE, 0, op, "Kjetil Wiekhorst Jørgensen <jorgens@flipper.pvv.unit.no>");
59 new_draw_info (NDI_UNIQUE, 0, op, "Cameron Blackwood <c.blackwood@rdt.monash.edu.au>");
60 new_draw_info (NDI_UNIQUE, 0, op, "Joseph L. Traub <jtraub+@cmu.edu>");
61 new_draw_info (NDI_UNIQUE, 0, op, "Rupert G. Goldie <rgg@aaii.oz.au>");
62 new_draw_info (NDI_UNIQUE, 0, op, "Eric A. Anderson <eanders+@cmu.edu>");
63 new_draw_info (NDI_UNIQUE, 0, op, "Rickard Eneqvist <eneq@Prag.DoCS.UU.SE>");
64 new_draw_info (NDI_UNIQUE, 0, op, "Jarkko Sonninen <Jarkko.Sonninen@lut.fi>");
65 new_draw_info (NDI_UNIQUE, 0, op, "Karl Holland <kholland@sunlab.cit.cornell.du>");
66 new_draw_info (NDI_UNIQUE, 0, op, "Mikael Lundgren <vick@bern.docs.uu.se>");
67 new_draw_info (NDI_UNIQUE, 0, op, "Mikael Olsson <mol@meryl.csd.uu.se>");
68 new_draw_info (NDI_UNIQUE, 0, op, "Tero Haatanen <Tero.Haatanen@lut.fi>");
69 new_draw_info (NDI_UNIQUE, 0, op, "Lasse Ylitalo <ylitalo@student.docs.uu.se>");
70 new_draw_info (NDI_UNIQUE, 0, op, "Niilo Neuvo <anipa@guru.magic.fi>");
71 new_draw_info (NDI_UNIQUE, 0, op, "Markku J{rvinen <mta@modeemi.cs.tut.fi>");
72 new_draw_info (NDI_UNIQUE, 0, op, "Sylvain Meunier <meunier@inf.enst.fr>");
73 new_draw_info (NDI_UNIQUE, 0, op, "Jason Fosback <jfosback@darmok.uoregon.edu>");
74 new_draw_info (NDI_UNIQUE, 0, op, "Carl Edman <cedman@capitalist.princeton.edu>");
75 new_draw_info (NDI_UNIQUE, 0, op, "Charles Henrich <henrich@crh.cl.msu.edu>");
76 new_draw_info (NDI_UNIQUE, 0, op, "Gregor Schmid <schmid@fb3-s7.math.tu-berlin.de>");
77 new_draw_info (NDI_UNIQUE, 0, op, "Raphael Quinet <quinet@montefiore.ulg.ac.be>");
78 new_draw_info (NDI_UNIQUE, 0, op, "Jari Vanhala <jam@modeemi.cs.tut.fi>");
79 new_draw_info (NDI_UNIQUE, 0, op, "Tero Kivinen <kivinen@joker.cs.hut.fi>");
80 new_draw_info (NDI_UNIQUE, 0, op, "Peter Mardahl <peterm@soda.berkeley.edu>");
81 new_draw_info (NDI_UNIQUE, 0, op, "Matthew Zeher <matt@cs.odu.edu>");
82 new_draw_info (NDI_UNIQUE, 0, op, "Scott R. Turner <srt@sun-dimas.aero.org>");
83 new_draw_info (NDI_UNIQUE, 0, op, "Ben Fennema <huma@netcom.com>");
84 new_draw_info (NDI_UNIQUE, 0, op, "Nick Williams <njw@cs.city.ac.uk>");
85 new_draw_info (NDI_UNIQUE, 0, op, "Laurent Wacrenier <Wacren@Gin.ObsPM.Fr>");
86 new_draw_info (NDI_UNIQUE, 0, op, "Brian Thomas <thomas@astro.psu.edu>");
87 new_draw_info (NDI_UNIQUE, 0, op, "John Steven Moerk <jsm@axon.ksc.nasa.gov>");
88 new_draw_info (NDI_UNIQUE, 0, op, "Delbecq David <david.delbecq@mailandnews.com>");
89 new_draw_info (NDI_UNIQUE, 0, op, "Chachkoff Yann <yann.chachkoff@mailandnews.com>\n");
90 new_draw_info (NDI_UNIQUE, 0, op, "");
91 new_draw_info (NDI_UNIQUE, 0, op, "Images and art:");
92 new_draw_info (NDI_UNIQUE, 0, op, "Peter Gardner");
93 new_draw_info (NDI_UNIQUE, 0, op, "David Gervais <david_eg@mail.com>");
94 new_draw_info (NDI_UNIQUE, 0, op, "Mitsuhiro Itakura <ita@gold.koma.jaeri.go.jp>");
95 new_draw_info (NDI_UNIQUE, 0, op, "Hansjoerg Malthaner <hansjoerg.malthaner@danet.de>");
96 new_draw_info (NDI_UNIQUE, 0, op, "Mårten Woxberg <maxmc@telia.com>");
97 new_draw_info (NDI_UNIQUE, 0, op, "");
98 new_draw_info (NDI_UNIQUE, 0, op, "And many more!");
99 }
100
101 /* This is a basic little function to put the player back to his
102 * savebed. We do some error checking - its possible that the
103 * savebed map may no longer exist, so we make sure the player
104 * goes someplace.
105 */
106 void
107 enter_player_savebed (object *op)
108 {
109 object *tmp = object::create ();
110 EXIT_PATH (tmp) = op->contr->savebed_map;
111 EXIT_X (tmp) = op->contr->bed_x;
112 EXIT_Y (tmp) = op->contr->bed_y;
113 op->enter_exit (tmp);
114 tmp->destroy ();
115 }
116
117 /*
118 * enter_map(): Moves the player and pets from current map (if any) to
119 * new map. map, x, y must be set. map is the map we are moving the
120 * player to - it could be the map he just came from if the load failed for
121 * whatever reason. If default map coordinates are to be used, then
122 * the function that calls this should figure them out.
123 */
124 void
125 object::enter_map (maptile *newmap, int x, int y)
126 {
127 if (destroyed () || !newmap || newmap->in_memory != MAP_IN_MEMORY)
128 return;
129
130 if (out_of_map (newmap, x, y))
131 {
132 LOG (llevError, "enter_map: supplied coordinates are not within the map! (%s: %d, %d)\n", &newmap->path, x, y);
133 x = newmap->enter_x;
134 y = newmap->enter_y;
135 if (out_of_map (newmap, x, y))
136 {
137 LOG (llevError, "enter_map: map %s provides invalid default enter location (%d, %d) > (%d, %d)\n",
138 &newmap->path, x, y, newmap->width, newmap->height);
139 new_draw_info (NDI_UNIQUE, 0, this, "The exit is closed");
140 return;
141 }
142 }
143
144 if (contr && map != newmap && map)
145 if (INVOKE_MAP (LEAVE, map, ARG_PLAYER (contr)))
146 return;
147
148 // remove, so stupid ob_locked does not trigger a failure
149 remove ();
150
151 /* try to find a spot for the player */
152 if (ob_blocked (this, newmap, x, y))
153 { /* First choice blocked */
154 /* We try to find a spot for the player, starting closest in.
155 * We could use find_first_free_spot, but that doesn't randomize it at all,
156 * So for example, if the north space is free, you would always end up there even
157 * if other spaces around are available.
158 * Note that for the second and third calls, we could start at a position other
159 * than one, but then we could end up on the other side of walls and so forth.
160 */
161 int i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE1 + 1);
162
163 if (i == -1)
164 {
165 i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE2 + 1);
166 if (i == -1)
167 i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE);
168 }
169
170 if (i != -1)
171 {
172 x += freearr_x[i];
173 y += freearr_y[i];
174 }
175 else
176 /* not much we can do in this case. */
177 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);
178 }
179
180 if (contr && map != newmap)
181 {
182 if (INVOKE_PLAYER (MAP_CHANGE, contr, ARG_MAP (newmap), ARG_INT (x), ARG_INT (y)))
183 return;
184
185 if (INVOKE_MAP (ENTER, newmap, ARG_PLAYER (contr), ARG_INT (x), ARG_INT (y)))
186 return;
187 }
188
189 this->x = x;
190 this->y = y;
191 map = newmap;
192
193 insert_ob_in_map (this, map, 0, INS_NO_WALK_ON);
194
195 enemy = 0;
196
197 if (contr)
198 {
199 contr->maplevel = newmap->path;
200 contr->count = 0;
201 }
202
203 /* Update any golems */
204 if (type == PLAYER)
205 if (object *golem = contr->golem)
206 {
207 int i = find_free_spot (golem, newmap, x, y, 1, SIZEOFFREE);
208
209 if (i < 0)
210 golem->destroy ();
211 else
212 {
213 newmap->insert (golem, x + freearr_x[i], y + freearr_y[i]);
214 golem->direction = find_dir_2 (x - golem->x, y - golem->y);
215 }
216 }
217
218 /* since the players map is already loaded, we don't need to worry
219 * about pending objects.
220 */
221 remove_all_pets (newmap);
222 }
223
224 /* process_players1 and process_players2 do all the player related stuff.
225 * I moved it out of process events and process_map. This was to some
226 * extent for debugging as well as to get a better idea of the time used
227 * by the various functions. process_players1() does the processing before
228 * objects have been updated, process_players2() does the processing that
229 * is needed after the players have been updated.
230 */
231 static void
232 process_players1 ()
233 {
234 /* Basically, we keep looping until all the players have done their actions. */
235 for (int flag = 1; flag != 0;)
236 {
237 flag = 0;
238 for_all_players (pl)
239 {
240 pl->refcnt_chk ();
241
242 if (expect_false (!pl->ob || !pl->ns || !pl->ob->active))
243 continue;
244
245 if (handle_newcs_player (pl->ob))
246 flag = 1;
247 }
248 }
249
250 for_all_players (pl)
251 {
252 object *ob = pl->ob;
253
254 if (expect_false (!ob || !pl->ns || !ob->active))
255 continue;
256
257 do_some_living (ob);
258 }
259 }
260
261 static void
262 process_players2 ()
263 {
264 /* Then check if any players should use weapon-speed instead of speed */
265 for_all_players (pl)
266 {
267 pl->weapon_sp_left = min (pl->weapon_sp, pl->weapon_sp_left + pl->weapon_sp);
268 pl->ob->speed_left = min (pl->ob->speed, pl->ob->speed_left + pl->ob->speed);
269 }
270 }
271
272 void
273 process_events ()
274 {
275 process_players1 ();
276
277 for_all_actives (op)
278 {
279 /* Now process op */
280 if (expect_false (QUERY_FLAG (op, FLAG_FREED)))
281 {
282 LOG (llevError, "BUG: process_events(): Free object on list\n");
283 op->set_speed (0);
284 continue;
285 }
286
287 if (expect_false (!op->has_active_speed ()))
288 {
289 LOG (llevError, "BUG: process_events(): Object %s has no speed (%f), "
290 "but is on active list\n", op->debug_desc (), op->speed);
291 op->set_speed (0);
292 continue;
293 }
294
295 if (expect_false (op->flag [FLAG_REMOVED]))
296 {
297 LOG (llevError, "BUG: process_events(): removed object is on active list: %s\n",
298 op->debug_desc ());
299 op->set_speed (0);
300 continue;
301 }
302
303 /* Animate the object. Bug or feature that anim_speed
304 * is based on ticks, and not the creatures speed?
305 */
306 if (op->anim_speed && op->last_anim >= op->anim_speed)
307 {
308 animate_object (op, op->contr ? op->facing : op->direction);
309 op->last_anim = 1;
310 }
311 else
312 ++op->last_anim;
313
314 if (op->speed_left > 0.f)
315 {
316 --op->speed_left;
317 process_object (op);
318
319 if (op->destroyed ())
320 continue;
321 }
322
323 if (!op->contr)
324 op->speed_left = min (abs (op->speed), op->speed_left + abs (op->speed));
325 }
326
327 process_players2 ();
328 }
329
330 /* clean up everything before exiting */
331 void
332 emergency_save ()
333 {
334 LOG (llevDebug, "emergency save begin.\n");
335
336 cfperl_emergency_save ();
337
338 LOG (llevDebug, "saving book archive.\n");
339 write_book_archive ();
340
341 LOG (llevDebug, "emergency save done.\n");
342 }
343
344 // send all clients some informational text
345 static void
346 cleanup_inform (const char *cause, bool make_core)
347 {
348 int flags = NDI_REPLY | NDI_UNIQUE | NDI_ALL | (make_core ? NDI_RED : NDI_GREEN);
349
350 new_draw_info_format (flags, 0, 0, "The server will now shutdown.");
351 new_draw_info_format (flags, 0, 0, "Cause for this shutdown: %s", cause);
352
353 if (make_core)
354 new_draw_info_format (flags, 0, 0, "This is considered a crash, but all maps and players have been saved.");
355 else
356 new_draw_info_format (flags, 0, 0, "This is considered to be a clean shutdown, and all maps and players will be saved now.");
357
358 new_draw_info_format (flags, 0, 0, "%s", CLEANUP_MESSAGE);
359
360 client::flush_sockets ();
361 }
362
363 /* clean up everything before exiting */
364 void
365 cleanup (const char *cause, bool make_core)
366 {
367 if (make_core)
368 fork_abort (cause);
369
370 LOG (llevError, "cleanup cause: %s\n", cause);
371
372 if (!make_core)
373 cleanup_inform (cause, make_core);
374
375 LOG (llevDebug, "cleanup begin.\n");
376
377 if (init_done && !in_cleanup)
378 {
379 in_cleanup = true;
380 emergency_save ();
381 }
382 else
383 in_cleanup = true;
384
385 LOG (llevDebug, "running cleanup handlers.\n");
386 INVOKE_GLOBAL (CLEANUP);
387
388 LOG (llevDebug, "cleanup done.\n");
389
390 if (make_core)
391 {
392 cleanup_inform (cause, make_core);
393 cfperl_cleanup (make_core);
394 _exit (1);
395 }
396 else
397 {
398 new_draw_info_format (NDI_UNIQUE | NDI_ALL | NDI_GREEN, 0, 0, "Maps and players successfully saved, exiting.");
399 new_draw_info_format (NDI_UNIQUE | NDI_ALL | NDI_GREEN, 0, 0, "And again: " CLEANUP_MESSAGE);
400 client::flush_sockets ();
401 cfperl_cleanup (make_core);
402 _exit (0);
403 }
404 }
405
406 int
407 forbid_play (void)
408 {
409 #if !defined(_IBMR2) && !defined(___IBMR2) && defined(PERM_FILE)
410 char buf[MAX_BUF], day[MAX_BUF];
411 FILE *fp;
412 time_t clock;
413 struct tm *tm;
414 int i, start, stop, forbit = 0, comp;
415
416 clock = time (NULL);
417 tm = (struct tm *) localtime (&clock);
418
419 sprintf (buf, "%s/%s", settings.confdir, PERM_FILE);
420 if ((fp = open_and_uncompress (buf, 0, &comp)) == NULL)
421 return 0;
422
423 while (fgets (buf, MAX_BUF, fp))
424 {
425 if (buf[0] == '#')
426 continue;
427
428 if (!strncmp (buf, "msg", 3))
429 {
430 if (forbit)
431 while (fgets (buf, MAX_BUF, fp)) /* print message */
432 fputs (buf, logfile);
433 break;
434 }
435 else if (sscanf (buf, "%s %d%*c%d\n", day, &start, &stop) != 3)
436 {
437 LOG (llevDebug, "Warning: Incomplete line in permission file ignored.\n");
438 continue;
439 }
440
441 for (i = 0; i < 7; i++)
442 {
443 if (!strncmp (buf, days[i], 3) && (tm->tm_wday == i) && (tm->tm_hour >= start) && (tm->tm_hour < stop))
444 forbit = 1;
445 }
446 }
447
448 close_and_delete (fp, comp);
449
450 return forbit;
451 #else
452 return 0;
453 #endif
454 }
455
456 /*
457 * do_specials() is a collection of functions to call from time to time.
458 * Modified 2000-1-14 MSW to use the global pticks count to determine how
459 * often to do things. This will allow us to spred them out more often.
460 * I use prime numbers for the factor count - in that way, it is less likely
461 * these actions will fall on the same tick (compared to say using 500/2500/15000
462 * which would mean on that 15,000 tick count a whole bunch of stuff gets
463 * done). Of course, there can still be times where multiple specials are
464 * done on the same tick, but that will happen very infrequently
465 *
466 * I also think this code makes it easier to see how often we really are
467 * doing the various things.
468 */
469 void
470 do_specials (void)
471 {
472 if (expect_false (!(pticks % TICKS_PER_HOUR)))
473 adjust_daylight ();
474
475 if (expect_false (!(pticks % 7)))
476 shstr::gc ();
477
478 if (expect_false (!(pticks % 2503)))
479 fix_weight (); /* Hack to fix weightproblems caused by bugs */
480
481 if (expect_false (!(pticks % 5003)))
482 write_book_archive ();
483
484 if (expect_false (!(pticks % 5009)))
485 clean_friendly_list ();
486
487 if (expect_false (!(pticks % 5011)))
488 obsolete_parties ();
489
490 if (expect_false (!(pticks % 12503)))
491 fix_luck ();
492 }
493
494 void
495 server_tick ()
496 {
497 // first do the user visible stuff
498 INVOKE_GLOBAL (CLOCK);
499 process_events (); // "do" something with objects with speed
500 client::clock (); // draw client maps etc.
501
502 // then do some bookkeeping, should not really be here
503 do_specials (); /* Routines called from time to time. */
504 attachable::check_mortals ();
505
506 ++pticks;
507 }
508
509 #if 0
510 // used fro benchmarking (x86/amd64-specific)
511 typedef unsigned long tval;
512 typedef unsigned long long stamp64;
513
514 extern inline tval
515 stamp (void)
516 {
517 tval tsc;
518 asm volatile ("rdtsc":"=a" (tsc)::"edx");
519
520 return tsc;
521 }
522
523 extern inline tval
524 measure (tval t)
525 {
526 tval tsc;
527 asm volatile ("rdtsc":"=a" (tsc)::"edx");
528
529 if (tsc > t)
530 return tsc - t;
531 else
532 return t - tsc;
533 }
534
535 int
536 main (int argc, char **argv)
537 {
538 rand_gen rg(0);
539 tval fastest = 0x7fffffff;
540 for (int loop = 10000; loop--; )
541 {
542 tval s = stamp ();
543 volatile int i = rg.get_int(25);
544 fastest = min (fastest, measure (s));
545 }
546
547 //printf ("fastest %d\n", fastest);
548 for (int i = 0; i < 1024*1024*3; ++i)
549 {
550 char c = rg.get_int (256);
551 write (2, &c, 1);
552 }
553 }
554
555 #else
556
557 // normal main
558 int
559 main (int argc, char **argv)
560 {
561 settings.argc = argc;
562 settings.argv = argv;
563
564 init (argc, argv);
565
566 initPlugins ();
567
568 for (;;)
569 cfperl_main ();
570 }
571 #endif
572