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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 TRINITY_GRID_MAP_H
#define TRINITY_GRID_MAP_H
#include "Define.h"
#include "MapDefines.h"
#include "Optional.h"
#include <cstdio>
struct LiquidData;
enum ZLiquidStatus : uint32;
namespace G3D { class Plane; }
class TC_GAME_API GridMap
{
uint32 _flags;
union
{
float* m_V9;
uint16* m_uint16_V9;
uint8* m_uint8_V9;
};
union
{
float* m_V8;
uint16* m_uint16_V8;
uint8* m_uint8_V8;
};
G3D::Plane* _minHeightPlanes;
// Height level data
float _gridHeight;
float _gridIntHeightMultiplier;
// Area data
uint16* _areaMap;
// Liquid data
float _liquidLevel;
uint16* _liquidEntry;
map_liquidHeaderTypeFlags* _liquidFlags;
float* _liquidMap;
uint16 _gridArea;
uint16 _liquidGlobalEntry;
map_liquidHeaderTypeFlags _liquidGlobalFlags;
uint8 _liquidOffX;
uint8 _liquidOffY;
uint8 _liquidWidth;
uint8 _liquidHeight;
uint8* _holes;
bool loadAreaData(FILE* in, uint32 offset, uint32 size);
bool loadHeightData(FILE* in, uint32 offset, uint32 size);
bool loadLiquidData(FILE* in, uint32 offset, uint32 size);
bool loadHolesData(FILE* in, uint32 offset, uint32 size);
bool isHole(int row, int col) const;
// Get height functions and pointers
typedef float (GridMap::* GetHeightPtr) (float x, float y) const;
GetHeightPtr _gridGetHeight;
float getHeightFromFloat(float x, float y) const;
float getHeightFromUint16(float x, float y) const;
float getHeightFromUint8(float x, float y) const;
float getHeightFromFlat(float x, float y) const;
public:
GridMap();
~GridMap();
enum class LoadResult
{
Ok,
FileDoesNotExist,
InvalidFile
};
LoadResult loadData(char const* filename);
void unloadData();
uint16 getArea(float x, float y) const;
float getHeight(float x, float y) const { return (this->*_gridGetHeight)(x, y); }
float getMinHeight(float x, float y) const;
float getLiquidLevel(float x, float y) const;
ZLiquidStatus GetLiquidStatus(float x, float y, float z, Optional<map_liquidHeaderTypeFlags> ReqLiquidType, LiquidData* data = nullptr, float collisionHeight = 2.03128f) const; // DEFAULT_COLLISION_HEIGHT in Object.h
};
#endif // TRINITY_GRID_MAP_H
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