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azerothcore-wotlk/src/common/Collision/Maps/MapDefines.h

103 lines
3.4 KiB
C

/*
* This file is part of the AzerothCore 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 Affero General Public License as published by the
* Free Software Foundation; either version 3 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 Affero 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 _MAPDEFINES_H
#define _MAPDEFINES_H
#include "Define.h"
#include "DetourNavMesh.h"
#define MAX_NUMBER_OF_GRIDS 64
#define MAX_NUMBER_OF_CELLS 8
#define SIZE_OF_GRIDS 533.3333f
#define MMAP_MAGIC 0x4d4d4150 // 'MMAP'
#define MMAP_VERSION 17
struct MmapTileRecastConfig
{
float walkableSlopeAngle;
uint8 walkableRadius; // 1
uint8 walkableHeight; // 1
uint8 walkableClimb; // 1
uint8 padding0{0}; // 1 → align next to 4
uint32 vertexPerMapEdge;
uint32 vertexPerTileEdge;
uint32 tilesPerMapEdge;
float baseUnitDim;
float cellSizeHorizontal;
float cellSizeVertical;
float maxSimplificationError;
bool operator==(const MmapTileRecastConfig& b) const {
return walkableSlopeAngle == b.walkableSlopeAngle &&
walkableRadius == b.walkableRadius &&
walkableHeight == b.walkableHeight &&
walkableClimb == b.walkableClimb &&
vertexPerMapEdge == b.vertexPerMapEdge &&
vertexPerTileEdge == b.vertexPerTileEdge &&
tilesPerMapEdge == b.tilesPerMapEdge &&
baseUnitDim == b.baseUnitDim &&
cellSizeHorizontal == b.cellSizeHorizontal &&
cellSizeVertical == b.cellSizeVertical &&
maxSimplificationError == b.maxSimplificationError;
}
};
static_assert(sizeof(MmapTileRecastConfig) == 36, "Unexpected size of MmapTileRecastConfig");
struct MmapTileHeader
{
uint32 mmapMagic{MMAP_MAGIC};
uint32 dtVersion;
uint32 mmapVersion{MMAP_VERSION};
uint32 size{0};
char usesLiquids{true};
char padding[3] {};
MmapTileRecastConfig recastConfig;
MmapTileHeader() : dtVersion(DT_NAVMESH_VERSION) { }
};
// All padding fields must be handled and initialized to ensure mmaps_generator will produce binary-identical *.mmtile files
static_assert(sizeof(MmapTileHeader) == 56, "MmapTileHeader size is not correct, adjust the padding field size");
static_assert(sizeof(MmapTileHeader) == (sizeof(MmapTileHeader::mmapMagic) +
sizeof(MmapTileHeader::dtVersion) +
sizeof(MmapTileHeader::mmapVersion) +
sizeof(MmapTileHeader::size) +
sizeof(MmapTileHeader::usesLiquids) +
sizeof(MmapTileHeader::padding)+
sizeof(MmapTileRecastConfig)), "MmapTileHeader has uninitialized padding fields");
enum NavTerrain
{
NAV_EMPTY = 0x00,
NAV_GROUND = 0x01,
NAV_MAGMA = 0x02,
NAV_SLIME = 0x04,
NAV_WATER = 0x08,
NAV_UNUSED1 = 0x10,
NAV_UNUSED2 = 0x20,
NAV_UNUSED3 = 0x40,
NAV_UNUSED4 = 0x80
// we only have 8 bits
};
#endif /* _MAPDEFINES_H */