server/server/main.C

/*
 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
 * 
 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
 * Copyright (©) 2001-2003 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992 Frank Tore Johansen
 * 
 * Deliantra is free software: you can redistribute it and/or modify it under
 * the terms of the Affero GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the Affero GNU General Public License
 * and the GNU General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <support@deliantra.net>
 */

#include <global.h>
#include <object.h>
#include <tod.h>

#include <sproto.h>
#include <time.h>

#include <glib.h>

#include <../random_maps/random_map.h>
#include <../random_maps/rproto.h>
#include "path.h"

void
version (object *op)
{
  new_draw_info_format (NDI_UNIQUE, 0, op, "This is Deliantra v%s", VERSION);
}

/* This is a basic little function to put the player back to his
 * savebed.
 */
void
enter_player_savebed (object *op)
{
  op->player_goto (op->contr->savebed_map, op->contr->bed_x, op->contr->bed_y);
}

/*
 * enter_map():  Moves the player and pets from current map (if any) to
 * new map.  map, x, y must be set.  map is the map we are moving the
 * player to - it could be the map he just came from if the load failed for
 * whatever reason.  If default map coordinates are to be used, then
 * the function that calls this should figure them out.
 */
bool
object::enter_map (maptile *newmap, int x, int y)
{
  if (destroyed () || !newmap || newmap->in_memory != MAP_ACTIVE)
    return false;

  if (out_of_map (newmap, x, y))
    {
      LOG (llevError, "enter_map: supplied coordinates are not within the map! (%s: %d, %d)\n", &newmap->path, x, y);
      x = newmap->enter_x;
      y = newmap->enter_y;
      if (out_of_map (newmap, x, y))
        {
          LOG (llevError, "enter_map: map %s provides invalid default enter location (%d, %d) > (%d, %d)\n",
               &newmap->path, x, y, newmap->width, newmap->height);
          new_draw_info (NDI_UNIQUE, 0, this, "The exit is closed");
          return false;
        }
    }

  if (contr && map != newmap && map)
    if (INVOKE_MAP (LEAVE, map, ARG_PLAYER (contr)))
      return false;

  // remove, so stupid blocked does not trigger a failure
  remove ();

  /* try to find a spot for the player */
  if (blocked (newmap, x, y))
    {                           /* First choice blocked */
      /* We try to find a spot for the player, starting closest in.
       * We could use find_first_free_spot, but that doesn't randomize it at all,
       * So for example, if the north space is free, you would always end up there even
       * if other spaces around are available.
       * Note that for the second and third calls, we could start at a position other
       * than one, but then we could end up on the other side of walls and so forth.
       */
      int i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE1 + 1);

      if (i < 0)
        {
          i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE2 + 1);
          if (i < 0)
            i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE);
        }

      if (i >= 0)
        {
          x += freearr_x[i];
          y += freearr_y[i];
        }
      else
        /* not much we can do in this case. */
        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);
    }

  if (contr && map != newmap)
    {
      if (INVOKE_PLAYER (MAP_CHANGE, contr, ARG_MAP (newmap), ARG_INT (x), ARG_INT (y)))
        return false;

      if (INVOKE_MAP (ENTER, newmap, ARG_PLAYER (contr), ARG_INT (x), ARG_INT (y)))
        return false;
    }

  enemy = 0;

  //newmap->insert (this, x, y);
  newmap->insert (this, x, y, 0, INS_NO_AUTO_EXIT);

  if (map == newmap) // see if we actually arrived there - insert might trigger a teleport
    {
      if (contr)
        {
          contr->maplevel = newmap->path;
          contr->count = 0;

          /* Update any golems */
          if (object *golem = contr->golem)
            {
              int i = find_free_spot (golem, newmap, x, y, 1, SIZEOFFREE);

              if (i < 0)
                golem->drop_and_destroy ();
              else
                {
                  newmap->insert (golem, x + freearr_x[i], y + freearr_y[i]);
                  golem->direction = find_dir_2 (golem->x - x, golem->y - y);
                }
            }
        }

      /* since the players map is already loaded, we don't need to worry
       * about pending objects.
       */
      move_all_pets ();

      return true;
    }

  return false;
}

/* process_players1 and process_players2 do all the player related stuff.
 * I moved it out of process events and process_map.  This was to some
 * extent for debugging as well as to get a better idea of the time used
 * by the various functions.  process_players1() does the processing before
 * objects have been updated, process_players2() does the processing that
 * is needed after the players have been updated.
 */
static void
process_players1 ()
{
  /* Basically, we keep looping until all the players have done their actions. */
  for (int flag = 1; flag != 0;)
    {
      flag = 0;
      for_all_players (pl)
        {
          pl->refcnt_chk ();

          if (expect_false (!pl->ob || !pl->ns || !pl->ob->active))
            continue;

          if (handle_newcs_player (pl->ob))
            flag = 1;
        }
    }

  for_all_players (pl)
    {
      object *ob = pl->ob;

      // process_objects destroys the speed_left value
      pl->speed_left_save = ob->speed_left;

      if (expect_false (!ob || !pl->ns || !ob->active))
        continue;

      do_some_living (ob);
    }
}

static void
process_players2 ()
{
  /* Then check if any players should use weapon-speed instead of speed */
  for_all_players (pl)
    {
      // restore speed_left value saved by process_players1
      pl->ob->speed_left = pl->speed_left_save;

      pl->weapon_sp_left = min (pl->weapon_sp, pl->weapon_sp_left + pl->weapon_sp);
      pl->ob->speed_left = min (pl->ob->speed, pl->ob->speed_left + pl->ob->speed);
    }
}

static void
process_events ()
{
  process_players1 ();

  for_all_actives (op)
    {
      // try to prefetch some stuff we expect to need
      // obviously, it should be grouped into the same cacheline.
      // preliminary results indicate that this gives halves the speed
      // used for the inner loop
      if (_i < actives.size ()) // HACK, rely on _i :/
        {
          object *next = actives [_i + 1];

          prefetch (&next->flag      , 0, 1);
          prefetch (&next->speed     , 0, 1);
          prefetch (&next->anim_speed, 0, 1);
          prefetch (&next->contr     , 0, 1);
        }

      /* Now process op */
      if (expect_false (op->flag [FLAG_FREED]))
        {
          LOG (llevError, "BUG: process_events(): Free object on list\n");
          op->set_speed (0);
          continue;
        }

      if (expect_false (!op->has_active_speed ()))
        {
          LOG (llevError, "BUG: process_events(): Object %s has no speed (%f), "
                          "but is on active list\n", op->debug_desc (), op->speed);
          op->set_speed (0);
          continue;
        }

      if (expect_false (op->flag [FLAG_REMOVED]))
        {
          LOG (llevError, "BUG: process_events(): removed object is on active list: %s\n",
               op->debug_desc ());
          op->set_speed (0);
          continue;
        }

      /* Animate the object. Bug or feature that anim_speed
       * is based on ticks, and not the creatures speed?
       */
      if (op->anim_speed && op->last_anim >= op->anim_speed)
        {
          animate_object (op, op->contr ? op->facing : op->direction);
          op->last_anim = 1;
        }
      else
        ++op->last_anim;

      if (expect_false (op->speed_left > 0.f))
        {
          --op->speed_left;
          process_object (op);
        }

      // this will destroy the speed_left value for players, but
      // process_players1 and ..2 save/restore the real value,
      // so we can avoid a costly test here.
      op->speed_left = min (op->speed, op->speed_left + op->speed);
    }

  process_players2 ();
}

/* clean up everything before exiting */
void
emergency_save ()
{
  LOG (llevDebug, "emergency save begin.\n");

  cfperl_emergency_save ();

  LOG (llevDebug, "saving book archive.\n");
  write_book_archive ();

  LOG (llevDebug, "emergency save done.\n");
}

// send all clients some informational text
static void
cleanup_inform (const char *cause, bool make_core)
{
  int flags = NDI_REPLY | NDI_UNIQUE | NDI_ALL | (make_core ? NDI_RED : NDI_GREEN);

  new_draw_info_format (flags, 0, 0, "The server will now shutdown.");
  new_draw_info_format (flags, 0, 0, "Cause for this shutdown: %s", cause);

  if (make_core)
    new_draw_info_format (flags, 0, 0, "This is considered a crash, but all maps and players have been saved.");
  else
    new_draw_info_format (flags, 0, 0, "This is considered to be a clean shutdown, and all maps and players will be saved now.");

  new_draw_info_format (flags, 0, 0, "%s", CLEANUP_MESSAGE);

  client::flush_sockets ();
}

/* clean up everything before exiting */
void
cleanup (const char *cause, bool make_core)
{
  if (make_core)
    fork_abort (cause);

  LOG (llevError, "cleanup cause: %s\n", cause);

  if (!make_core)
    cleanup_inform (cause, make_core);

  LOG (llevDebug, "cleanup begin.\n");

  if (init_done && !in_cleanup)
    {
      in_cleanup = true;
      emergency_save ();
    }
  else
    in_cleanup = true;

  LOG (llevDebug, "running cleanup handlers.\n");
  INVOKE_GLOBAL (CLEANUP);

  LOG (llevDebug, "cleanup done.\n");

  log_cleanup ();

  if (make_core)
    cleanup_inform (cause, make_core);
  else
    {
      new_draw_info_format (NDI_REPLY | NDI_UNIQUE | NDI_ALL | NDI_GREEN, 0, 0, "Maps and players successfully saved, exiting.");
      new_draw_info_format (NDI_REPLY | NDI_UNIQUE | NDI_ALL | NDI_GREEN, 0, 0, "And again: " CLEANUP_MESSAGE);
      client::flush_sockets ();
    }

  cfperl_cleanup (make_core);
  _exit (make_core);
}

/*
 * do_specials() is a collection of functions to call from time to time.
 * Modified 2000-1-14 MSW to use the global pticks count to determine how
 * often to do things.  This will allow us to spred them out more often.
 * I use prime numbers for the factor count - in that way, it is less likely
 * these actions will fall on the same tick (compared to say using 500/2500/15000
 * which would mean on that 15,000 tick count a whole bunch of stuff gets
 * done).  Of course, there can still be times where multiple specials are
 * done on the same tick, but that will happen very infrequently
 *
 * I also think this code makes it easier to see how often we really are
 * doing the various things.
 */
static void
do_specials ()
{
  shstr::gc ();
  archetype::gc ();

  if (expect_false (!(pticks % TICKS_PER_HOUR)))
    maptile::adjust_daylight ();

  if (expect_false (!(pticks % 2503)))
    fix_weight ();              /* Hack to fix weightproblems caused by bugs */

  if (expect_false (!(pticks % 5003)))
    write_book_archive ();

  if (expect_false (!(pticks % 5009)))
    clean_friendly_list ();

  if (expect_false (!(pticks % 5011)))
    obsolete_parties ();

  if (expect_false (!(pticks % 12503)))
    fix_luck ();
}

void
server_tick ()
{
  // first do the user visible stuff
  INVOKE_GLOBAL (CLOCK);
  process_events (); // "do" something with objects with speed
  client::clock ();  // draw client maps etc.

  // then do some bookkeeping, should not really be here
  do_specials ();               /* Routines called from time to time. */
  attachable::check_mortals ();

  ++pticks;

  if (object::object_count >= RESTART_COUNT)
    cleanup ("running out of protocol ID values - need full restart");
}

// normal main
int
main (int argc, char **argv)
{
  settings.argc = argc;
  settings.argv = argv;
  
  rndm.seed (time (0));
  g_thread_init (0); // for the slice allocator only

  init (argc, argv);

  for (;;)
    cfperl_main ();
}

Revision:	1.158
Committed:	Fri Apr 23 09:22:47 2010 UTC (14 years, 1 month ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.157:	+2 -1 lines
Log Message:	auto-apply emergency fix
#	Content
1	/*
2	* This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	*
4	* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	* Copyright (©) 2001-2003 Mark Wedel & Crossfire Development Team
6	* Copyright (©) 1992 Frank Tore Johansen
7	*
8	* Deliantra is free software: you can redistribute it and/or modify it under
9	* the terms of the Affero GNU General Public License as published by the
10	* Free Software Foundation, either version 3 of the License, or (at your
11	* 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 Affero GNU General Public License
19	* and the GNU General Public License along with this program. If not, see
20	* <http://www.gnu.org/licenses/>.
21	*
22	* The authors can be reached via e-mail to <support@deliantra.net>
23	*/
24
25	#include <global.h>
26	#include <object.h>
27	#include <tod.h>
28
29	#include <sproto.h>
30	#include <time.h>
31
32	#include <glib.h>
33
34	#include <../random_maps/random_map.h>
35	#include <../random_maps/rproto.h>
36	#include "path.h"
37
38	void
39	version (object *op)
40	{
41	new_draw_info_format (NDI_UNIQUE, 0, op, "This is Deliantra v%s", VERSION);
42	}
43
44	/* This is a basic little function to put the player back to his
45	* savebed.
46	*/
47	void
48	enter_player_savebed (object *op)
49	{
50	op->player_goto (op->contr->savebed_map, op->contr->bed_x, op->contr->bed_y);
51	}
52
53	/*
54	* enter_map(): Moves the player and pets from current map (if any) to
55	* new map. map, x, y must be set. map is the map we are moving the
56	* player to - it could be the map he just came from if the load failed for
57	* whatever reason. If default map coordinates are to be used, then
58	* the function that calls this should figure them out.
59	*/
60	bool
61	object::enter_map (maptile *newmap, int x, int y)
62	{
63	if (destroyed () \|\| !newmap \|\| newmap->in_memory != MAP_ACTIVE)
64	return false;
65
66	if (out_of_map (newmap, x, y))
67	{
68	LOG (llevError, "enter_map: supplied coordinates are not within the map! (%s: %d, %d)\n", &newmap->path, x, y);
69	x = newmap->enter_x;
70	y = newmap->enter_y;
71	if (out_of_map (newmap, x, y))
72	{
73	LOG (llevError, "enter_map: map %s provides invalid default enter location (%d, %d) > (%d, %d)\n",
74	&newmap->path, x, y, newmap->width, newmap->height);
75	new_draw_info (NDI_UNIQUE, 0, this, "The exit is closed");
76	return false;
77	}
78	}
79
80	if (contr && map != newmap && map)
81	if (INVOKE_MAP (LEAVE, map, ARG_PLAYER (contr)))
82	return false;
83
84	// remove, so stupid blocked does not trigger a failure
85	remove ();
86
87	/* try to find a spot for the player */
88	if (blocked (newmap, x, y))
89	{ /* First choice blocked */
90	/* We try to find a spot for the player, starting closest in.
91	* We could use find_first_free_spot, but that doesn't randomize it at all,
92	* So for example, if the north space is free, you would always end up there even
93	* if other spaces around are available.
94	* Note that for the second and third calls, we could start at a position other
95	* than one, but then we could end up on the other side of walls and so forth.
96	*/
97	int i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE1 + 1);
98
99	if (i < 0)
100	{
101	i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE2 + 1);
102	if (i < 0)
103	i = find_free_spot (this, newmap, x, y, 1, SIZEOFFREE);
104	}
105
106	if (i >= 0)
107	{
108	x += freearr_x[i];
109	y += freearr_y[i];
110	}
111	else
112	/* not much we can do in this case. */
113	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);
114	}
115
116	if (contr && map != newmap)
117	{
118	if (INVOKE_PLAYER (MAP_CHANGE, contr, ARG_MAP (newmap), ARG_INT (x), ARG_INT (y)))
119	return false;
120
121	if (INVOKE_MAP (ENTER, newmap, ARG_PLAYER (contr), ARG_INT (x), ARG_INT (y)))
122	return false;
123	}
124
125	enemy = 0;
126
127	//newmap->insert (this, x, y);
128	newmap->insert (this, x, y, 0, INS_NO_AUTO_EXIT);
129
130	if (map == newmap) // see if we actually arrived there - insert might trigger a teleport
131	{
132	if (contr)
133	{
134	contr->maplevel = newmap->path;
135	contr->count = 0;
136
137	/* Update any golems */
138	if (object *golem = contr->golem)
139	{
140	int i = find_free_spot (golem, newmap, x, y, 1, SIZEOFFREE);
141
142	if (i < 0)
143	golem->drop_and_destroy ();
144	else
145	{
146	newmap->insert (golem, x + freearr_x[i], y + freearr_y[i]);
147	golem->direction = find_dir_2 (golem->x - x, golem->y - y);
148	}
149	}
150	}
151
152	/* since the players map is already loaded, we don't need to worry
153	* about pending objects.
154	*/
155	move_all_pets ();
156
157	return true;
158	}
159
160	return false;
161	}
162
163	/* process_players1 and process_players2 do all the player related stuff.
164	* I moved it out of process events and process_map. This was to some
165	* extent for debugging as well as to get a better idea of the time used
166	* by the various functions. process_players1() does the processing before
167	* objects have been updated, process_players2() does the processing that
168	* is needed after the players have been updated.
169	*/
170	static void
171	process_players1 ()
172	{
173	/* Basically, we keep looping until all the players have done their actions. */
174	for (int flag = 1; flag != 0;)
175	{
176	flag = 0;
177	for_all_players (pl)
178	{
179	pl->refcnt_chk ();
180
181	if (expect_false (!pl->ob \|\| !pl->ns \|\| !pl->ob->active))
182	continue;
183
184	if (handle_newcs_player (pl->ob))
185	flag = 1;
186	}
187	}
188
189	for_all_players (pl)
190	{
191	object *ob = pl->ob;
192
193	// process_objects destroys the speed_left value
194	pl->speed_left_save = ob->speed_left;
195
196	if (expect_false (!ob \|\| !pl->ns \|\| !ob->active))
197	continue;
198
199	do_some_living (ob);
200	}
201	}
202
203	static void
204	process_players2 ()
205	{
206	/* Then check if any players should use weapon-speed instead of speed */
207	for_all_players (pl)
208	{
209	// restore speed_left value saved by process_players1
210	pl->ob->speed_left = pl->speed_left_save;
211
212	pl->weapon_sp_left = min (pl->weapon_sp, pl->weapon_sp_left + pl->weapon_sp);
213	pl->ob->speed_left = min (pl->ob->speed, pl->ob->speed_left + pl->ob->speed);
214	}
215	}
216
217	static void
218	process_events ()
219	{
220	process_players1 ();
221
222	for_all_actives (op)
223	{
224	// try to prefetch some stuff we expect to need
225	// obviously, it should be grouped into the same cacheline.
226	// preliminary results indicate that this gives halves the speed
227	// used for the inner loop
228	if (_i < actives.size ()) // HACK, rely on _i :/
229	{
230	object *next = actives [_i + 1];
231
232	prefetch (&next->flag , 0, 1);
233	prefetch (&next->speed , 0, 1);
234	prefetch (&next->anim_speed, 0, 1);
235	prefetch (&next->contr , 0, 1);
236	}
237
238	/* Now process op */
239	if (expect_false (op->flag [FLAG_FREED]))
240	{
241	LOG (llevError, "BUG: process_events(): Free object on list\n");
242	op->set_speed (0);
243	continue;
244	}
245
246	if (expect_false (!op->has_active_speed ()))
247	{
248	LOG (llevError, "BUG: process_events(): Object %s has no speed (%f), "
249	"but is on active list\n", op->debug_desc (), op->speed);
250	op->set_speed (0);
251	continue;
252	}
253
254	if (expect_false (op->flag [FLAG_REMOVED]))
255	{
256	LOG (llevError, "BUG: process_events(): removed object is on active list: %s\n",
257	op->debug_desc ());
258	op->set_speed (0);
259	continue;
260	}
261
262	/* Animate the object. Bug or feature that anim_speed
263	* is based on ticks, and not the creatures speed?
264	*/
265	if (op->anim_speed && op->last_anim >= op->anim_speed)
266	{
267	animate_object (op, op->contr ? op->facing : op->direction);
268	op->last_anim = 1;
269	}
270	else
271	++op->last_anim;
272
273	if (expect_false (op->speed_left > 0.f))
274	{
275	--op->speed_left;
276	process_object (op);
277	}
278
279	// this will destroy the speed_left value for players, but
280	// process_players1 and ..2 save/restore the real value,
281	// so we can avoid a costly test here.
282	op->speed_left = min (op->speed, op->speed_left + op->speed);
283	}
284
285	process_players2 ();
286	}
287
288	/* clean up everything before exiting */
289	void
290	emergency_save ()
291	{
292	LOG (llevDebug, "emergency save begin.\n");
293
294	cfperl_emergency_save ();
295
296	LOG (llevDebug, "saving book archive.\n");
297	write_book_archive ();
298
299	LOG (llevDebug, "emergency save done.\n");
300	}
301
302	// send all clients some informational text
303	static void
304	cleanup_inform (const char *cause, bool make_core)
305	{
306	int flags = NDI_REPLY \| NDI_UNIQUE \| NDI_ALL \| (make_core ? NDI_RED : NDI_GREEN);
307
308	new_draw_info_format (flags, 0, 0, "The server will now shutdown.");
309	new_draw_info_format (flags, 0, 0, "Cause for this shutdown: %s", cause);
310
311	if (make_core)
312	new_draw_info_format (flags, 0, 0, "This is considered a crash, but all maps and players have been saved.");
313	else
314	new_draw_info_format (flags, 0, 0, "This is considered to be a clean shutdown, and all maps and players will be saved now.");
315
316	new_draw_info_format (flags, 0, 0, "%s", CLEANUP_MESSAGE);
317
318	client::flush_sockets ();
319	}
320
321	/* clean up everything before exiting */
322	void
323	cleanup (const char *cause, bool make_core)
324	{
325	if (make_core)
326	fork_abort (cause);
327
328	LOG (llevError, "cleanup cause: %s\n", cause);
329
330	if (!make_core)
331	cleanup_inform (cause, make_core);
332
333	LOG (llevDebug, "cleanup begin.\n");
334
335	if (init_done && !in_cleanup)
336	{
337	in_cleanup = true;
338	emergency_save ();
339	}
340	else
341	in_cleanup = true;
342
343	LOG (llevDebug, "running cleanup handlers.\n");
344	INVOKE_GLOBAL (CLEANUP);
345
346	LOG (llevDebug, "cleanup done.\n");
347
348	log_cleanup ();
349
350	if (make_core)
351	cleanup_inform (cause, make_core);
352	else
353	{
354	new_draw_info_format (NDI_REPLY \| NDI_UNIQUE \| NDI_ALL \| NDI_GREEN, 0, 0, "Maps and players successfully saved, exiting.");
355	new_draw_info_format (NDI_REPLY \| NDI_UNIQUE \| NDI_ALL \| NDI_GREEN, 0, 0, "And again: " CLEANUP_MESSAGE);
356	client::flush_sockets ();
357	}
358
359	cfperl_cleanup (make_core);
360	_exit (make_core);
361	}
362
363	/*
364	* do_specials() is a collection of functions to call from time to time.
365	* Modified 2000-1-14 MSW to use the global pticks count to determine how
366	* often to do things. This will allow us to spred them out more often.
367	* I use prime numbers for the factor count - in that way, it is less likely
368	* these actions will fall on the same tick (compared to say using 500/2500/15000
369	* which would mean on that 15,000 tick count a whole bunch of stuff gets
370	* done). Of course, there can still be times where multiple specials are
371	* done on the same tick, but that will happen very infrequently
372	*
373	* I also think this code makes it easier to see how often we really are
374	* doing the various things.
375	*/
376	static void
377	do_specials ()
378	{
379	shstr::gc ();
380	archetype::gc ();
381
382	if (expect_false (!(pticks % TICKS_PER_HOUR)))
383	maptile::adjust_daylight ();
384
385	if (expect_false (!(pticks % 2503)))
386	fix_weight (); /* Hack to fix weightproblems caused by bugs */
387
388	if (expect_false (!(pticks % 5003)))
389	write_book_archive ();
390
391	if (expect_false (!(pticks % 5009)))
392	clean_friendly_list ();
393
394	if (expect_false (!(pticks % 5011)))
395	obsolete_parties ();
396
397	if (expect_false (!(pticks % 12503)))
398	fix_luck ();
399	}
400
401	void
402	server_tick ()
403	{
404	// first do the user visible stuff
405	INVOKE_GLOBAL (CLOCK);
406	process_events (); // "do" something with objects with speed
407	client::clock (); // draw client maps etc.
408
409	// then do some bookkeeping, should not really be here
410	do_specials (); /* Routines called from time to time. */
411	attachable::check_mortals ();
412
413	++pticks;
414
415	if (object::object_count >= RESTART_COUNT)
416	cleanup ("running out of protocol ID values - need full restart");
417	}
418
419	// normal main
420	int
421	main (int argc, char **argv)
422	{
423	settings.argc = argc;
424	settings.argv = argv;
425
426	rndm.seed (time (0));
427	g_thread_init (0); // for the slice allocator only
428
429	init (argc, argv);
430
431	for (;;)
432	cfperl_main ();
433	}
434