ChunkStay.h

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// ChunkStay.h

/* Declares the cChunkStay class representing a base for classes that want to wait for certain chunks to load,
then do some action on them. While the object is enabled, the chunks contained within are locked and will
not unload
*/





#pragma once





// fwd
class cChunkMap;





class cChunkStay
{
public:
    cChunkStay(void);

    virtual ~cChunkStay();

    void Clear(void);

    void Add(int a_ChunkX, int a_ChunkZ);

    void Remove(int a_ChunkX, int a_ChunkZ);

    void Enable (cChunkMap & a_ChunkMap);

    virtual void Disable(void);

    const cChunkCoordsVector & GetChunks(void) const { return m_Chunks; }

    virtual void OnChunkAvailable(int a_ChunkX, int a_ChunkZ) = 0;

    virtual bool OnAllChunksAvailable(void) = 0;

    virtual void OnDisabled(void) = 0;

protected:

    friend class cChunkMap;


    cChunkMap * m_ChunkMap;

    cChunkCoordsVector m_Chunks;

    cChunkCoordsVector m_OutstandingChunks;


    bool ChunkAvailable(int a_ChunkX, int a_ChunkZ);
} ;