126 lines
3.2 KiB
C++
126 lines
3.2 KiB
C++
// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Core/Types/BaseTypes.h"
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#include "Engine/Platform/CriticalSection.h"
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#include "NavMeshData.h"
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class NavigationScene;
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class dtNavMesh;
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class dtNavMeshQuery;
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class NavMeshTile
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{
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public:
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int32 X;
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int32 Y;
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int32 Layer;
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NavigationScene* Scene;
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BytesContainer Data;
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};
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class NavMeshRuntime
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{
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public:
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static NavMeshRuntime* Get();
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private:
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dtNavMesh* _navMesh;
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dtNavMeshQuery* _navMeshQuery;
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float _tileSize;
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Array<NavMeshTile> _tiles;
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public:
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NavMeshRuntime();
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~NavMeshRuntime();
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public:
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/// <summary>
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/// The object locker.
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/// </summary>
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CriticalSection Locker;
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/// <summary>
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/// Gets the size of the tile (in world-units). Returns zero if not initialized yet.
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/// </summary>
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FORCE_INLINE float GetTileSize() const
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{
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return _tileSize;
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}
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dtNavMesh* GetNavMesh() const
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{
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return _navMesh;
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}
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dtNavMeshQuery* GetNavMeshQuery() const
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{
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return _navMeshQuery;
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}
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int32 GetTilesCapacity() const;
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public:
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/// <summary>
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/// Sets the size of the tile (if not assigned). Disposes the mesh if added tiles have different size.
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/// </summary>
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/// <param name="tileSize">The size of the tile.</param>
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void SetTileSize(float tileSize);
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/// <summary>
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/// Ensures the navmesh capacity for adding new tiles. Performs resizing if needed.
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/// </summary>
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/// <param name="tilesToAddCount">The new tiles amount.</param>
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void EnsureCapacity(int32 tilesToAddCount);
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/// <summary>
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/// Adds the tiles from the given scene to the runtime navmesh.
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/// </summary>
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/// <param name="scene">The navigation scene.</param>
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void AddTiles(NavigationScene* scene);
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/// <summary>
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/// Adds the tile from the given scene to the runtime navmesh.
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/// </summary>
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/// <param name="scene">The navigation scene.</param>
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/// <param name="tileData">The tile data.</param>
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void AddTile(NavigationScene* scene, NavMeshTileData& tileData);
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/// <summary>
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/// Removes all the tiles from the navmesh that has been added from the given navigation scene.
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/// </summary>
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/// <param name="scene">The scene.</param>
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void RemoveTiles(NavigationScene* scene);
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/// <summary>
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/// Removes the tile from the navmesh.
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/// </summary>
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/// <param name="x">The tile X coordinate.</param>
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/// <param name="y">The tile Y coordinate.</param>
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/// <param name="layer">The tile layer.</param>
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void RemoveTile(int32 x, int32 y, int32 layer);
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/// <summary>
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/// Removes all the tiles that custom prediction callback marks.
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/// </summary>
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/// <param name="prediction">The prediction callback, returns true for tiles to remove and false for tiles to preserve.</param>
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/// <param name="userData">The user data passed to the callback method.</param>
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void RemoveTiles(bool (*prediction)(const NavMeshRuntime* navMesh, const NavMeshTile& tile, void* customData), void* userData);
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/// <summary>
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/// Releases the navmesh.
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/// </summary>
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void Dispose();
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private:
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void AddTileInternal(NavigationScene* scene, NavMeshTileData& tileData);
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};
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