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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/>.
*/
#ifndef _MAPTREE_H
#define _MAPTREE_H
#include "Define.h"
#include "BoundingIntervalHierarchy.h"
#include <unordered_map>
namespace VMAP
{
class ModelInstance;
class GroupModel;
class VMapManager2;
enum class LoadResult : uint8;
enum class ModelIgnoreFlags : uint32;
struct TC_COMMON_API LocationInfo
{
LocationInfo(): rootId(-1), hitInstance(nullptr), hitModel(nullptr), ground_Z(-G3D::finf()) { }
int32 rootId;
ModelInstance const* hitInstance;
GroupModel const* hitModel;
float ground_Z;
};
class TC_COMMON_API StaticMapTree
{
typedef std::unordered_map<uint32, bool> loadedTileMap;
typedef std::unordered_map<uint32, uint32> loadedSpawnMap;
private:
uint32 iMapID;
BIH iTree;
ModelInstance* iTreeValues; // the tree entries
uint32 iNTreeValues;
std::unordered_map<uint32, uint32> iSpawnIndices;
// 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;
std::vector<std::pair<int32, int32>> iLoadedPrimaryTiles;
// stores <tree_index, reference_count> to invalidate tree values, unload map, and to be able to report errors
loadedSpawnMap iLoadedSpawns;
std::string iBasePath;
struct TileFileOpenResult
{
FILE* File;
std::string Name;
};
private:
static TileFileOpenResult OpenMapTileFile(std::string const& basePath, uint32 mapID, uint32 tileX, uint32 tileY, VMapManager2* vm);
bool getIntersectionTime(const G3D::Ray& pRay, float &pMaxDist, bool pStopAtFirstHit, ModelIgnoreFlags ignoreFlags) 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 LoadResult CanLoadMap(const std::string &basePath, uint32 mapID, uint32 tileX, uint32 tileY, VMapManager2* vm);
StaticMapTree(uint32 mapID, const std::string &basePath);
~StaticMapTree();
bool isInLineOfSight(const G3D::Vector3& pos1, const G3D::Vector3& pos2, ModelIgnoreFlags ignoreFlags) const;
bool getObjectHitPos(const G3D::Vector3& pos1, const G3D::Vector3& pos2, G3D::Vector3& pResultHitPos, float pModifyDist) const;
float getHeight(const G3D::Vector3& pPos, float maxSearchDist) const;
bool getAreaInfo(G3D::Vector3 &pos, uint32 &flags, int32 &adtId, int32 &rootId, int32 &groupId) const;
bool GetLocationInfo(const G3D::Vector3 &pos, LocationInfo &info) const;
bool InitMap(std::string const& fname);
void UnloadMap(VMapManager2* vm);
bool LoadMapTile(uint32 tileX, uint32 tileY, VMapManager2* vm);
void UnloadMapTile(uint32 tileX, uint32 tileY, VMapManager2* vm);
uint32 numLoadedTiles() const { return uint32(iLoadedTiles.size()); }
void getModelInstances(ModelInstance* &models, uint32 &count);
private:
StaticMapTree(StaticMapTree const& right) = delete;
StaticMapTree& operator=(StaticMapTree const& right) = delete;
};
struct TC_COMMON_API AreaInfo
{
AreaInfo(): result(false), ground_Z(-G3D::finf()), flags(0), adtId(0),
rootId(0), groupId(0) { }
bool result;
float ground_Z;
uint32 flags;
int32 adtId;
int32 rootId;
int32 groupId;
};
} // VMAP
#endif // _MAPTREE_H
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