src/mangosd/WorldRunnable.cpp

   1 /*
   2  * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 /** \file
  20     \ingroup mangosd
  21 */
  22
  23 #include "WorldSocketMgr.h"
  24 #include "Common.h"
  25 #include "World.h"
  26 #include "WorldRunnable.h"
  27 #include "Timer.h"
  28 #include "ObjectAccessor.h"
  29 #include "MapManager.h"
  30 #include "BattleGroundMgr.h"
  31
  32 #include "Database/DatabaseEnv.h"
  33
  34 #ifdef WIN32
  35 #define WORLD_SLEEP_CONST 50
  36 #else
  37 #define WORLD_SLEEP_CONST 100                               //Is this still needed?? [On linux some time ago not working 50ms]
  38 #endif
  39
  40 #ifdef WIN32
  41 #include "ServiceWin32.h"
  42 extern int m_ServiceStatus;
  43 #endif
  44
  45 /// Heartbeat for the World
  46 void WorldRunnable::run()
  47 {
  48     ///- Init new SQL thread for the world database
  49     WorldDatabase.ThreadStart();                                // let thread do safe mySQL requests (one connection call enough)
  50     sWorld.InitResultQueue();
  51
  52     uint32 realCurrTime = 0;
  53     uint32 realPrevTime = getMSTime();
  54
  55     uint32 prevSleepTime = 0;                               // used for balanced full tick time length near WORLD_SLEEP_CONST
  56
  57     ///- While we have not World::m_stopEvent, update the world
  58     while (!World::IsStopped())
  59     {
  60         ++World::m_worldLoopCounter;
  61         realCurrTime = getMSTime();
  62
  63         uint32 diff = getMSTimeDiff(realPrevTime,realCurrTime);
  64
  65         sWorld.Update( diff );
  66         realPrevTime = realCurrTime;
  67
  68         // diff (D0) include time of previous sleep (d0) + tick time (t0)
  69         // we want that next d1 + t1 == WORLD_SLEEP_CONST
  70         // we can't know next t1 and then can use (t0 + d1) == WORLD_SLEEP_CONST requirement
  71         // d1 = WORLD_SLEEP_CONST - t0 = WORLD_SLEEP_CONST - (D0 - d0) = WORLD_SLEEP_CONST + d0 - D0
  72         if (diff <= WORLD_SLEEP_CONST+prevSleepTime)
  73         {
  74             prevSleepTime = WORLD_SLEEP_CONST+prevSleepTime-diff;
  75             ZThread::Thread::sleep(prevSleepTime);
  76         }
  77         else
  78             prevSleepTime = 0;
  79
  80         #ifdef WIN32
  81             if (m_ServiceStatus == 0) World::StopNow(SHUTDOWN_EXIT_CODE);
  82             while (m_ServiceStatus == 2) Sleep(1000);
  83         #endif
  84     }
  85
  86     sWorld.KickAll();                                       // save and kick all players
  87     sWorld.UpdateSessions( 1 );                             // real players unload required UpdateSessions call
  88
  89     // unload battleground templates before different singletons destroyed
  90     sBattleGroundMgr.DeleteAlllBattleGrounds();
  91
  92     sWorldSocketMgr->StopNetwork();
  93
  94     MapManager::Instance().UnloadAll();                     // unload all grids (including locked in memory)
  95
  96     ///- End the database thread
  97     WorldDatabase.ThreadEnd();                                  // free mySQL thread resources
  98 }