src/game/GridStates.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 #include "GridStates.h"
  20 #include "GridNotifiers.h"
  21 #include "GameSystem/Grid.h"
  22 #include "Log.h"
  23
  24 void
  25 InvalidState::Update(Map &, NGridType &, GridInfo &, const uint32 &/*x*/, const uint32 &/*y*/, const uint32 &) const
  26 {
  27 }
  28
  29 void
  30 ActiveState::Update(Map &m, NGridType &grid, GridInfo & info, const uint32 &x, const uint32 &y, const uint32 &t_diff) const
  31 {
  32     // Only check grid activity every (grid_expiry/10) ms, because it's really useless to do it every cycle
  33     info.UpdateTimeTracker(t_diff);
  34     if( info.getTimeTracker().Passed() )
  35     {
  36         if( grid.ActiveObjectsInGrid() == 0 && !m.ActiveObjectsNearGrid(x, y) )
  37         {
  38             ObjectGridStoper stoper(grid);
  39             stoper.StopN();
  40             grid.SetGridState(GRID_STATE_IDLE);
  41         }
  42         else
  43         {
  44             m.ResetGridExpiry(grid, 0.1f);
  45         }
  46     }
  47 }
  48
  49 void
  50 IdleState::Update(Map &m, NGridType &grid, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &) const
  51 {
  52     m.ResetGridExpiry(grid);
  53     grid.SetGridState(GRID_STATE_REMOVAL);
  54     sLog.outDebug("Grid[%u,%u] on map %u moved to IDLE state", x, y, m.GetId());
  55 }
  56
  57 void
  58 RemovalState::Update(Map &m, NGridType &grid, GridInfo &info, const uint32 &x, const uint32 &y, const uint32 &t_diff) const
  59 {
  60     if(!info.getUnloadLock())
  61     {
  62         info.UpdateTimeTracker(t_diff);
  63         if( info.getTimeTracker().Passed() )
  64         {
  65             if( !m.UnloadGrid(x, y, false) )
  66             {
  67                 sLog.outDebug("Grid[%u,%u] for map %u differed unloading due to players or active objects nearby", x, y, m.GetId());
  68                 m.ResetGridExpiry(grid);
  69             }
  70         }
  71     }
  72 }