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/*
* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
*
* 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 _MAPTREE_H
#define _MAPTREE_H
#include "Platform/Define.h"
#include "Utilities/UnorderedMap.h"
#include "BIH.h"
namespace VMAP
{
class ModelInstance;
class GroupModel;
class VMapManager2;
struct LocationInfo
{
LocationInfo(): hitInstance(0), hitModel(0), ground_Z(-G3D::inf()) {};
const ModelInstance *hitInstance;
const GroupModel *hitModel;
float ground_Z;
};
class StaticMapTree
{
typedef UNORDERED_MAP<uint32, bool> loadedTileMap;
typedef UNORDERED_MAP<uint32, uint32> loadedSpawnMap;
private:
uint32 iMapID;
bool iIsTiled;
BIH iTree;
ModelInstance *iTreeValues; // the tree entries
uint32 iNTreeValues;
// Store all the map tile idents that are loaded for that map
// some maps are not splitted into tiles and we have to make sure, not removing the map before all tiles are removed
// empty tiles have no tile file, hence map with bool instead of just a set (consistency check)
loadedTileMap iLoadedTiles;
// stores <tree_index, reference_count> to invalidate tree values, unload map, and to be able to report errors
loadedSpawnMap iLoadedSpawns;
std::string iBasePath;
private:
float getIntersectionTime(const G3D::Ray& pRay, float pMaxDist, bool pStopAtFirstHit) const;
//bool containsLoadedMapTile(unsigned int pTileIdent) const { return(iLoadedMapTiles.containsKey(pTileIdent)); }
public:
static std::string getTileFileName(uint32 mapID, uint32 tileX, uint32 tileY);
static uint32 packTileID(uint32 tileX, uint32 tileY) { return tileX<<16 | tileY; }
static void unpackTileID(uint32 ID, uint32 &tileX, uint32 &tileY) { tileX = ID>>16; tileY = ID&0xFF; }
static bool CanLoadMap(const std::string &basePath, uint32 mapID, uint32 tileX, uint32 tileY);
StaticMapTree(uint32 mapID, const std::string &basePath);
~StaticMapTree();
bool isInLineOfSight(const G3D::Vector3& pos1, const G3D::Vector3& pos2) const;
bool getObjectHitPos(const G3D::Vector3& pos1, const G3D::Vector3& pos2, G3D::Vector3& pResultHitPos, float pModifyDist) const;
float getHeight(const G3D::Vector3& pPos) const;
bool getAreaInfo(G3D::Vector3 &pos, uint32 &flags, int32 &adtId, int32 &rootId, int32 &groupId) const;
bool GetLocationInfo(const Vector3 &pos, LocationInfo &info) const;
bool InitMap(const std::string &fname, VMapManager2 *vm);
void UnloadMap(VMapManager2 *vm);
bool LoadMapTile(uint32 tileX, uint32 tileY, VMapManager2 *vm);
void UnloadMapTile(uint32 tileX, uint32 tileY, VMapManager2 *vm);
bool isTiled() const { return iIsTiled; }
uint32 numLoadedTiles() const { return iLoadedTiles.size(); }
};
struct AreaInfo
{
AreaInfo(): result(false), ground_Z(-G3D::inf()) {};
bool result;
float ground_Z;
uint32 flags;
int32 adtId;
int32 rootId;
int32 groupId;
};
} // VMAP
#endif // _MAPTREE_H
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