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 "ObjectAccessor.h"
  22 #include "GameSystem/Grid.h"
  23 #include "Log.h"
  24
  25 void
  26 InvalidState::Update(Map &, NGridType &, GridInfo &, const uint32 &/*x*/, const uint32 &/*y*/, const uint32 &) const
  27 {
  28 }
  29
  30 void
  31 ActiveState::Update(Map &m, NGridType &grid, GridInfo & info, const uint32 &x, const uint32 &y, const uint32 &t_diff) const
  32 {
  33     // Only check grid activity every (grid_expiry/10) ms, because it's really useless to do it every cycle
  34     info.UpdateTimeTracker(t_diff);
  35     if( info.getTimeTracker().Passed() )
  36     {
  37         if( grid.ActiveObjectsInGrid() == 0 && !m.PlayersNearGrid(x, y) )
  38         {
  39             ObjectGridStoper stoper(grid);
  40             stoper.StopN();
  41             grid.SetGridState(GRID_STATE_IDLE);
  42         }
  43         else
  44         {
  45             m.ResetGridExpiry(grid, 0.1f);
  46         }
  47     }
  48 }
  49
  50 void
  51 IdleState::Update(Map &m, NGridType &grid, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &) const
  52 {
  53     m.ResetGridExpiry(grid);
  54     grid.SetGridState(GRID_STATE_REMOVAL);
  55     sLog.outDebug("Grid[%u,%u] on map %u moved to IDLE state", x, y, m.GetId());
  56 }
  57
  58 void
  59 RemovalState::Update(Map &m, NGridType &grid, GridInfo &info, const uint32 &x, const uint32 &y, const uint32 &t_diff) const
  60 {
  61     if(info.getUnloadFlag())
  62     {
  63         info.UpdateTimeTracker(t_diff);
  64         if( info.getTimeTracker().Passed() )
  65         {
  66             if( !m.UnloadGrid(x, y, false) )
  67             {
  68                 sLog.outDebug("Grid[%u,%u] for map %u differed unloading due to players nearby", x, y, m.GetId());
  69                 m.ResetGridExpiry(grid);
  70             }
  71         }
  72     }
  73 }