streamnavmeshcache.h

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#pragma once
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
 
#include "core/refcounted.h"
#include "resources/resourceloader.h"
#include "nflatbuffer/flatbufferinterface.h"
#include "flat/navigation/navmesh.h"
#include "ids/idallocator.h"
 
class dtNavMesh;
class dtNavMeshQuery;
 
#define MAX_NAV_NODES 8192
 
namespace Navigation
{
 
enum NavigationIdType
{
    NavMeshIdType
};
 
RESOURCE_ID_TYPE(NavMeshId);
 
class StreamNavMeshCache : public Resources::ResourceLoader
{
    __DeclareClass(StreamNavMeshCache);
 
public:
    
    StreamNavMeshCache();
    virtual ~StreamNavMeshCache();

    dtNavMesh* GetDetourMesh(NavMeshId id);

    Util::Array<NavMeshId> GetLoadedMeshes();
 
private:
    
    ResourceLoader::ResourceInitOutput InitializeResource(const ResourceLoadJob& job, const Ptr<IO::Stream>& stream) override;
    void Unload(const Resources::ResourceId id);
 
    enum
    {
        Nav_Name,
        Nav_Mesh,
        Nav_Query,
        Nav_MeshInfo
    };
    Ids::IdAllocatorSafe<0xff,
        Util::StringAtom,
        dtNavMesh*,
        dtNavMeshQuery*,
        NavMeshT> allocator;
};
}