#pragma once

#include <Array.h>
#include <Punkt.h>
#include <ReferenceCounter.h>
#include <Vec3.h>
#include <Writer.h>

class MultiblockStructureType;
class Block;

class MultiblockStructureEnum
{
public:
    static const int TREE = 0;
};

class MultiblockStructure : public virtual Framework::ReferenceCounter
{
private:
    Framework::Array<Framework::Punkt> affectedChunks;
    Framework::Array<Framework::Vec3<int>> memberBlockPositions;
    Framework::Vec3<int> uniquePosition;
    int dimensionId;
    __int64 structureId;
    int structureTypeId;
    bool isLoading;

protected:
    Framework::RCArray<Block> loadedMembers;

public:
    MultiblockStructure(int dimensionId,
        __int64 structureId,
        Framework::Vec3<int> uniquePosition,
        int structureTypeId);
    ~MultiblockStructure();
    void onBlockLoaded(Block* block);
    void onBlockUnloaded(Block* zBlock);
    void addMemberPosition(Framework::Vec3<int> blockPos);
    virtual void onBlockRemoved(Block* zBlock);

    bool isEmpty() const;
    bool isFullyLoaded() const;
    bool isFullyUnloaded() const;
    bool isBlockMember(Block* zBlock) const;
    __int64 getStructureId() const;
    Framework::Vec3<int> getUniquePosition() const;
    int getStructureTypeId() const;

    friend MultiblockStructureType;
};

class MultiblockStructureType : public Framework::ReferenceCounter
{
private:
    const int id;

protected:
    MultiblockStructureType(int id);
    ~MultiblockStructureType();
    virtual void loadSuperStructure(MultiblockStructure* zStructure,
        Framework::StreamReader* zReader) const;
    virtual void saveSuperStructure(MultiblockStructure* zStructure,
        Framework::StreamWriter* zWriter) const;
    virtual MultiblockStructure* createStructure(int dimensionId,
        __int64 structureId,
        Framework::Vec3<int> uniquePosition) const
        = 0;

public:
    MultiblockStructure* loadStructure(int dimensionId,
        __int64 structureId,
        Framework::Vec3<int> uniquePosition,
        Framework::StreamReader* zReader) const;
    void saveStructure(MultiblockStructure* zStructure,
        Framework::StreamWriter* zWriter) const;
    int getId() const;
};