src/mangosd/WorldRunnable.cpp

   1 /*
   2  * Copyright (C) 2005-2008 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
  31 #include "Database/DatabaseEnv.h"
  32
  33 #ifdef WIN32
  34 #define WORLD_SLEEP_CONST 50
  35 #else
  36 #define WORLD_SLEEP_CONST 100                               //Is this still needed?? [On linux some time ago not working 50ms]
  37 #endif
  38
  39 /// Heartbeat for the World
  40 void WorldRunnable::run()
  41 {
  42     ///- Init new SQL thread for the world database
  43     WorldDatabase.ThreadStart();                                // let thread do safe mySQL requests (one connection call enough)
  44     sWorld.InitResultQueue();
  45
  46     uint32 realCurrTime = 0;
  47     uint32 realPrevTime = getMSTime();
  48
  49     uint32 prevSleepTime = 0;                               // used for balanced full tick time length near WORLD_SLEEP_CONST
  50
  51     ///- While we have not World::m_stopEvent, update the world
  52     while (!World::m_stopEvent)
  53     {
  54         ++World::m_worldLoopCounter;
  55         realCurrTime = getMSTime();
  56
  57         uint32 diff = getMSTimeDiff(realPrevTime,realCurrTime);
  58
  59         sWorld.Update( diff );
  60         realPrevTime = realCurrTime;
  61
  62         // diff (D0) include time of previous sleep (d0) + tick time (t0)
  63         // we want that next d1 + t1 == WORLD_SLEEP_CONST
  64         // we can't know next t1 and then can use (t0 + d1) == WORLD_SLEEP_CONST requirement
  65         // d1 = WORLD_SLEEP_CONST - t0 = WORLD_SLEEP_CONST - (D0 - d0) = WORLD_SLEEP_CONST + d0 - D0
  66         if (diff <= WORLD_SLEEP_CONST+prevSleepTime)
  67         {
  68             prevSleepTime = WORLD_SLEEP_CONST+prevSleepTime-diff;
  69             ZThread::Thread::sleep(prevSleepTime);
  70         }
  71         else
  72             prevSleepTime = 0;
  73     }
  74
  75     sWorld.KickAllQueued();                                 // kick all queued players (and prevent its login at kick in game players)
  76     sWorld.KickAll();                                       // save and kick all players
  77     sWorld.UpdateSessions( 1 );                             // real players unload required UpdateSessions call
  78
  79     sWorldSocketMgr->StopNetwork();
  80
  81     MapManager::Instance().UnloadAll();                     // unload all grids (including locked in memory)
  82
  83     ///- End the database thread
  84     WorldDatabase.ThreadEnd();                                  // free mySQL thread resources
  85 }