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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2009 Trinity <http://www.trinitycore.org/>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef TRINITY_NGRID_H
#define TRINITY_NGRID_H
/** NGrid is nothing more than a wrapper of the Grid with an NxN cells
*/
#include "GameSystem/Grid.h"
#include "GameSystem/GridReference.h"
#include "Timer.h"
class GridInfo
{
public:
GridInfo()
: i_timer(0), i_unloadActiveLockCount(0), i_unloadExplicitLock(false), i_unloadReferenceLock(false) {}
GridInfo(time_t expiry, bool unload = true )
: i_timer(expiry), i_unloadActiveLockCount(0), i_unloadExplicitLock(!unload), i_unloadReferenceLock(false) {}
const TimeTracker& getTimeTracker() const { return i_timer; }
bool getUnloadLock() const { return i_unloadActiveLockCount || i_unloadExplicitLock || i_unloadReferenceLock; }
void setUnloadExplicitLock( bool on ) { i_unloadExplicitLock = on; }
void setUnloadReferenceLock( bool on ) { i_unloadReferenceLock = on; }
void incUnloadActiveLock() { ++i_unloadActiveLockCount; }
void decUnloadActiveLock() { if(i_unloadActiveLockCount) --i_unloadActiveLockCount; }
void setTimer(const TimeTracker& pTimer) { i_timer = pTimer; }
void ResetTimeTracker(time_t interval) { i_timer.Reset(interval); }
void UpdateTimeTracker(time_t diff) { i_timer.Update(diff); }
private:
TimeTracker i_timer;
uint16 i_unloadActiveLockCount : 16; // lock from active object spawn points (prevent clone loading)
bool i_unloadExplicitLock : 1; // explicit manual lock or config setting
bool i_unloadReferenceLock : 1; // lock from instance map copy
};
typedef enum
{
GRID_STATE_INVALID = 0,
GRID_STATE_ACTIVE = 1,
GRID_STATE_IDLE = 2,
GRID_STATE_REMOVAL= 3,
MAX_GRID_STATE = 4
} grid_state_t;
template
<
unsigned int N,
class ACTIVE_OBJECT,
class WORLD_OBJECT_TYPES,
class GRID_OBJECT_TYPES,
class ThreadModel = Trinity::SingleThreaded<ACTIVE_OBJECT>
>
class TRINITY_DLL_DECL NGrid
{
public:
typedef Grid<ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES, ThreadModel> GridType;
NGrid(uint32 id, int32 x, int32 y, time_t expiry, bool unload = true)
: i_gridId(id), i_x(x), i_y(y), i_cellstate(GRID_STATE_INVALID), i_GridObjectDataLoaded(false)
{
i_GridInfo = GridInfo(expiry, unload);
}
const GridType& operator()(unsigned short x, unsigned short y) const
{
ASSERT(x < N);
ASSERT(y < N);
return i_cells[x][y];
}
GridType& operator()(unsigned short x, unsigned short y)
{
ASSERT(x < N);
ASSERT(y < N);
return i_cells[x][y];
}
const uint32& GetGridId(void) const { return i_gridId; }
void SetGridId(const uint32 id) const { i_gridId = id; }
grid_state_t GetGridState(void) const { return i_cellstate; }
void SetGridState(grid_state_t s) { i_cellstate = s; }
int32 getX() const { return i_x; }
int32 getY() const { return i_y; }
void link(GridRefManager<NGrid<N, ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES, ThreadModel> >* pTo)
{
i_Reference.link(pTo, this);
}
bool isGridObjectDataLoaded() const { return i_GridObjectDataLoaded; }
void setGridObjectDataLoaded(bool pLoaded) { i_GridObjectDataLoaded = pLoaded; }
GridInfo* getGridInfoRef() { return &i_GridInfo; }
const TimeTracker& getTimeTracker() const { return i_GridInfo.getTimeTracker(); }
bool getUnloadLock() const { return i_GridInfo.getUnloadLock(); }
void setUnloadExplicitLock( bool on ) { i_GridInfo.setUnloadExplicitLock(on); }
void setUnloadReferenceLock( bool on ) { i_GridInfo.setUnloadReferenceLock(on); }
void incUnloadActiveLock() { i_GridInfo.incUnloadActiveLock(); }
void decUnloadActiveLock() { i_GridInfo.decUnloadActiveLock(); }
void ResetTimeTracker(time_t interval) { i_GridInfo.ResetTimeTracker(interval); }
void UpdateTimeTracker(time_t diff) { i_GridInfo.UpdateTimeTracker(diff); }
template<class SPECIFIC_OBJECT> void AddWorldObject(const uint32 x, const uint32 y, SPECIFIC_OBJECT *obj, OBJECT_HANDLE hdl)
{
getGridType(x, y).AddWorldObject(obj, hdl);
}
template<class SPECIFIC_OBJECT> void RemoveWorldObject(const uint32 x, const uint32 y, SPECIFIC_OBJECT *obj, OBJECT_HANDLE hdl)
{
getGridType(x, y).RemoveWorldObject(obj, hdl);
}
template<class T, class TT> void Visit(TypeContainerVisitor<T, TypeMapContainer<TT> > &visitor)
{
for(unsigned int x=0; x < N; ++x)
for(unsigned int y=0; y < N; ++y)
getGridType(x, y).Visit(visitor);
}
template<class T, class TT> void Visit(const uint32 &x, const uint32 &y, TypeContainerVisitor<T, TypeMapContainer<TT> > &visitor)
{
getGridType(x, y).Visit(visitor);
}
unsigned int ActiveObjectsInGrid(void) const
{
unsigned int count=0;
for(unsigned int x=0; x < N; ++x)
for(unsigned int y=0; y < N; ++y)
count += i_cells[x][y].ActiveObjectsInGrid();
return count;
}
template<class SPECIFIC_OBJECT> const SPECIFIC_OBJECT* GetGridObject(const uint32 x, const uint32 y, OBJECT_HANDLE hdl) const
{
return getGridType(x, y).template GetGridObject<SPECIFIC_OBJECT>(hdl);
}
template<class SPECIFIC_OBJECT> SPECIFIC_OBJECT* GetGridObject(const uint32 x, const uint32 y, OBJECT_HANDLE hdl)
{
return getGridType(x, y).template GetGridObject<SPECIFIC_OBJECT>(hdl);
}
template<class SPECIFIC_OBJECT> bool AddGridObject(const uint32 x, const uint32 y, SPECIFIC_OBJECT *obj, OBJECT_HANDLE hdl)
{
return getGridType(x, y).AddGridObject(hdl, obj);
}
template<class SPECIFIC_OBJECT> bool RemoveGridObject(const uint32 x, const uint32 y, SPECIFIC_OBJECT *obj, OBJECT_HANDLE hdl)
{
return getGridType(x, y).RemoveGridObject(obj, hdl);
}
private:
GridType& getGridType(const uint32& x, const uint32& y)
{
ASSERT(x < N);
ASSERT(y < N);
return i_cells[x][y];
}
uint32 i_gridId;
GridInfo i_GridInfo;
GridReference<NGrid<N, ACTIVE_OBJECT, WORLD_OBJECT_TYPES, GRID_OBJECT_TYPES, ThreadModel> > i_Reference;
int32 i_x;
int32 i_y;
grid_state_t i_cellstate;
GridType i_cells[N][N];
bool i_GridObjectDataLoaded;
};
#endif
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