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feat(Core/mmaps): Add configuration file for mmaps-generator. (#22506)

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This commit is contained in:
Anton Popovichenko
2025-10-14 23:56:09 +02:00
committed by GitHub
parent 10d5a3c553
commit f2f31acdcf
21 changed files with 15598 additions and 300 deletions
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3
src/common/Collision/Management/MMapMgr.cpp
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@@ -23,9 +23,6 @@
namespace MMAP
{
static char const* const MAP_FILE_NAME_FORMAT = "{}/mmaps/{:03}.mmap";
static char const* const TILE_FILE_NAME_FORMAT = "{}/mmaps/{:03}{:02}{:02}.mmtile";
// ######################## MMapMgr ########################
MMapMgr::~MMapMgr()
{

3
src/common/Collision/Management/MMapMgr.h
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@@ -39,6 +39,9 @@ inline void dtCustomFree(void* ptr)
// move map related classes
namespace MMAP
{
static char const* const MAP_FILE_NAME_FORMAT = "{}/mmaps/{:03}.mmap";
static char const* const TILE_FILE_NAME_FORMAT = "{}/mmaps/{:03}{:02}{:02}.mmtile";
typedef std::unordered_map<uint32, dtTileRef> MMapTileSet;
typedef std::unordered_map<uint32, dtNavMeshQuery*> NavMeshQuerySet;

42
src/common/Collision/Maps/MapDefines.h
View File

@@ -26,7 +26,40 @@
#define SIZE_OF_GRIDS 533.3333f
#define MMAP_MAGIC 0x4d4d4150 // 'MMAP'
#define MMAP_VERSION 16
#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
{
@@ -37,17 +70,20 @@ struct MmapTileHeader
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) == 20, "MmapTileHeader size is not correct, adjust the padding field size");
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)), "MmapTileHeader has uninitialized padding fields");
sizeof(MmapTileHeader::padding)+
sizeof(MmapTileRecastConfig)), "MmapTileHeader has uninitialized padding fields");
enum NavTerrain
{