Merge branch 'master' into Playerbot
This commit is contained in:
Yunfan Li
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/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Affero General Public License as published by the
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* Free Software Foundation; either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRID_TERRAIN_DATA_H
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#define GRID_TERRAIN_DATA_H
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#include "Common.h"
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#include <fstream>
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#include <G3D/Plane.h>
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#include <memory>
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#define MAX_HEIGHT 100000.0f // can be use for find ground height at surface
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#define INVALID_HEIGHT -100000.0f // for check, must be equal to VMAP_INVALID_HEIGHT, real value for unknown height is VMAP_INVALID_HEIGHT_VALUE
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#define MAX_FALL_DISTANCE 250000.0f // "unlimited fall" to find VMap ground if it is available, just larger than MAX_HEIGHT - INVALID_HEIGHT
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#define MIN_HEIGHT -500.0f
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#define MAP_LIQUID_STATUS_SWIMMING (LIQUID_MAP_IN_WATER | LIQUID_MAP_UNDER_WATER)
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#define MAP_LIQUID_STATUS_IN_CONTACT (MAP_LIQUID_STATUS_SWIMMING | LIQUID_MAP_WATER_WALK)
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#define MAP_LIQUID_TYPE_NO_WATER 0x00
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#define MAP_LIQUID_TYPE_WATER 0x01
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#define MAP_LIQUID_TYPE_OCEAN 0x02
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#define MAP_LIQUID_TYPE_MAGMA 0x04
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#define MAP_LIQUID_TYPE_SLIME 0x08
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#define MAP_ALL_LIQUIDS (MAP_LIQUID_TYPE_WATER | MAP_LIQUID_TYPE_OCEAN | MAP_LIQUID_TYPE_MAGMA | MAP_LIQUID_TYPE_SLIME)
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#define MAP_LIQUID_TYPE_DARK_WATER 0x10
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// ******************************************
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// Map file format defines
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// ******************************************
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union u_map_magic
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{
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char asChar[4];
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uint32 asUInt;
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};
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const u_map_magic MapMagic = { {'M', 'A', 'P', 'S'} };
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const uint32 MapVersionMagic = 9;
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const u_map_magic MapAreaMagic = { {'A', 'R', 'E', 'A'} };
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const u_map_magic MapHeightMagic = { {'M', 'H', 'G', 'T'} };
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const u_map_magic MapLiquidMagic = { {'M', 'L', 'I', 'Q'} };
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struct map_fileheader
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{
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uint32 mapMagic;
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uint32 versionMagic;
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uint32 buildMagic;
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uint32 areaMapOffset;
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uint32 areaMapSize;
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uint32 heightMapOffset;
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uint32 heightMapSize;
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uint32 liquidMapOffset;
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uint32 liquidMapSize;
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uint32 holesOffset;
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uint32 holesSize;
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};
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#define MAP_AREA_NO_AREA 0x0001
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struct map_areaHeader
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{
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uint32 fourcc;
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uint16 flags;
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uint16 gridArea;
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};
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#define MAP_HEIGHT_NO_HEIGHT 0x0001
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#define MAP_HEIGHT_AS_INT16 0x0002
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#define MAP_HEIGHT_AS_INT8 0x0004
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#define MAP_HEIGHT_HAS_FLIGHT_BOUNDS 0x0008
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struct map_heightHeader
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{
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uint32 fourcc;
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uint32 flags;
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float gridHeight;
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float gridMaxHeight;
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};
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#define MAP_LIQUID_NO_TYPE 0x0001
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#define MAP_LIQUID_NO_HEIGHT 0x0002
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struct map_liquidHeader
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{
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uint32 fourcc;
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uint8 flags;
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uint8 liquidFlags;
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uint16 liquidType;
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uint8 offsetX;
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uint8 offsetY;
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uint8 width;
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uint8 height;
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float liquidLevel;
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};
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// ******************************************
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// Loaded map data structures
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// ******************************************
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struct LoadedAreaData
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{
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typedef std::array<uint16, 16 * 16> AreaMapType;
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uint16 gridArea;
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std::unique_ptr<AreaMapType> areaMap;
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};
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struct LoadedHeightData
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{
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typedef std::array<G3D::Plane, 8> HeightPlanesType;
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struct Uint16HeightData
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{
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typedef std::array<uint16, 129 * 129> V9Type;
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typedef std::array<uint16, 128 * 128> V8Type;
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V9Type v9;
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V8Type v8;
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float gridIntHeightMultiplier;
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};
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struct Uint8HeightData
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{
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typedef std::array<uint8, 129 * 129> V9Type;
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typedef std::array<uint8, 128 * 128> V8Type;
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V9Type v9;
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V8Type v8;
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float gridIntHeightMultiplier;
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};
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struct FloatHeightData
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{
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typedef std::array<float, 129 * 129> V9Type;
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typedef std::array<float, 128 * 128> V8Type;
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V9Type v9;
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V8Type v8;
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};
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float gridHeight;
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std::unique_ptr<Uint16HeightData> uint16HeightData;
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std::unique_ptr<Uint8HeightData> uint8HeightData;
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std::unique_ptr<FloatHeightData> floatHeightData;
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std::unique_ptr<HeightPlanesType> minHeightPlanes;
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};
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struct LoadedLiquidData
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{
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typedef std::array<uint16, 16 * 16> LiquidEntryType;
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typedef std::array<uint8, 16 * 16> LiquidFlagsType;
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typedef std::vector<float> LiquidMapType;
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uint16 liquidGlobalEntry;
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uint8 liquidGlobalFlags;
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uint8 liquidOffX;
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uint8 liquidOffY;
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uint8 liquidWidth;
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uint8 liquidHeight;
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float liquidLevel;
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std::unique_ptr<LiquidEntryType> liquidEntry;
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std::unique_ptr<LiquidFlagsType> liquidFlags;
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std::unique_ptr<LiquidMapType> liquidMap;
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};
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struct LoadedHoleData
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{
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typedef std::array<uint16, 16 * 16> HolesType;
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HolesType holes;
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};
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enum LiquidStatus
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{
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LIQUID_MAP_NO_WATER = 0x00000000,
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LIQUID_MAP_ABOVE_WATER = 0x00000001,
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LIQUID_MAP_WATER_WALK = 0x00000002,
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LIQUID_MAP_IN_WATER = 0x00000004,
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LIQUID_MAP_UNDER_WATER = 0x00000008
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};
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struct LiquidData
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{
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LiquidData() = default;
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uint32 Entry{ 0 };
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uint32 Flags{ 0 };
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float Level{ INVALID_HEIGHT };
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float DepthLevel{ INVALID_HEIGHT };
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LiquidStatus Status{ LIQUID_MAP_NO_WATER };
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};
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enum class TerrainMapDataReadResult
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{
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Success,
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NotFound,
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ReadError,
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InvalidMagic,
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InvalidAreaData,
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InvalidHeightData,
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InvalidLiquidData,
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InvalidHoleData
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};
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class GridTerrainData
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{
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bool LoadAreaData(std::ifstream& fileStream, uint32 const offset);
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bool LoadHeightData(std::ifstream& fileStream, uint32 const offset);
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bool LoadLiquidData(std::ifstream& fileStream, uint32 const offset);
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bool LoadHolesData(std::ifstream& fileStream, uint32 const offset);
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std::unique_ptr<LoadedAreaData> _loadedAreaData;
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std::unique_ptr<LoadedHeightData> _loadedHeightData;
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std::unique_ptr<LoadedLiquidData> _loadedLiquidData;
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std::unique_ptr<LoadedHoleData> _loadedHoleData;
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bool isHole(int row, int col) const;
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// Get height functions and pointers
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typedef float (GridTerrainData::* GetHeightPtr) (float x, float y) const;
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GetHeightPtr _gridGetHeight;
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float getHeightFromFloat(float x, float y) const;
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float getHeightFromUint16(float x, float y) const;
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float getHeightFromUint8(float x, float y) const;
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float getHeightFromFlat(float x, float y) const;
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public:
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GridTerrainData();
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~GridTerrainData() { };
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TerrainMapDataReadResult Load(std::string const& mapFileName);
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uint16 getArea(float x, float y) const;
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inline float getHeight(float x, float y) const { return (this->*_gridGetHeight)(x, y); }
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float getMinHeight(float x, float y) const;
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float getLiquidLevel(float x, float y) const;
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LiquidData const GetLiquidData(float x, float y, float z, float collisionHeight, uint8 ReqLiquidType) const;
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};
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#endif
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