GridStates.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 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 GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "GridStates.h"
#include "GridNotifiers.h"
#include "Log.h"
#include "Map.h"
#include "ObjectGridLoader.h"
 
void InvalidState::Update(Map&, NGridType&, GridInfo&, uint32) const
{
}
 
void ActiveState::Update(Map& map, NGridType& grid, GridInfo& info, uint32 diff) const
{
 // Only check grid activity every (grid_expiry/10) ms, because it's really useless to do it every cycle
 info.UpdateTimeTracker(diff);
 if (info.getTimeTracker().Passed())
 {
 if (!grid.GetWorldObjectCountInNGrid<Player>() && !map.ActiveObjectsNearGrid(grid))
 {
 ObjectGridStoper worker;
 TypeContainerVisitor<ObjectGridStoper, GridTypeMapContainer> visitor(worker);
 grid.VisitAllGrids(visitor);
 grid.SetGridState(GRID_STATE_IDLE);
 TC_LOG_DEBUG("maps", "Grid[{}, {}] on map {} moved to IDLE state", grid.getX(), grid.getY(), map.GetId());
 }
 else
 map.ResetGridExpiry(grid, 0.1f);
 }
}
 
void IdleState::Update(Map& map, NGridType& grid, GridInfo&, uint32) const
{
 map.ResetGridExpiry(grid);
 grid.SetGridState(GRID_STATE_REMOVAL);
 TC_LOG_DEBUG("maps", "Grid[{}, {}] on map {} moved to REMOVAL state", grid.getX(), grid.getY(), map.GetId());
}
 
void RemovalState::Update(Map& map, NGridType& grid, GridInfo& info, uint32 diff) const
{
 if (!info.getUnloadLock())
 {
 info.UpdateTimeTracker(diff);
 if (info.getTimeTracker().Passed() && !map.UnloadGrid(grid, false))
 {
 TC_LOG_DEBUG("maps", "Grid[{}, {}] for map {} differed unloading due to players or active objects nearby", grid.getX(), grid.getY(), map.GetId());
 map.ResetGridExpiry(grid);
 }
 }
}