BlockEntity.h

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#pragma once

#include "ChunkDef.h"





class cChunk;
class cItems;
class cPlayer;
class cWorld;
class cBlockEntity;

using OwnedBlockEntity = std::unique_ptr<cBlockEntity>;
using cBlockEntities = std::unordered_map<size_t, OwnedBlockEntity>;





// tolua_begin
class cBlockEntity
{
protected:

    cBlockEntity(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Vector3i a_Pos, cWorld * a_World);

public:

    // tolua_end

    virtual ~cBlockEntity() = default;  // force a virtual destructor in all descendants

    OwnedBlockEntity Clone(Vector3i a_Pos);

    virtual cItems ConvertToPickups() const;

    virtual void CopyFrom(const cBlockEntity & a_Src);

    static OwnedBlockEntity CreateByBlockType(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Vector3i a_Pos, cWorld * a_World = nullptr);

    virtual void Destroy();

    static bool IsBlockEntityBlockType(BLOCKTYPE a_BlockType);

    virtual void OnRemoveFromWorld();

    virtual void SendTo(cClientHandle & a_Client) = 0;

    void SetPos(Vector3i a_NewPos);

    void SetWorld(cWorld * a_World);

    virtual bool Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk);

    virtual bool UsedBy(cPlayer * a_Player) = 0;

    // tolua_begin

    // Position, in absolute block coordinates:
    Vector3i GetPos() const { return m_Pos; }
    int GetPosX() const { return m_Pos.x; }
    int GetPosY() const { return m_Pos.y; }
    int GetPosZ() const { return m_Pos.z; }

    Vector3i GetRelPos() const { return Vector3i(m_RelX, m_Pos.y, m_RelZ); }

    BLOCKTYPE GetBlockType() const { return m_BlockType; }

    cWorld * GetWorld() const { return m_World; }

    int GetChunkX() const { return FAST_FLOOR_DIV(m_Pos.x, cChunkDef::Width); }
    int GetChunkZ() const { return FAST_FLOOR_DIV(m_Pos.z, cChunkDef::Width); }

    int GetRelX() const { return m_RelX; }
    int GetRelZ() const { return m_RelZ; }

    // tolua_end


protected:

    Vector3i m_Pos;

    int m_RelX, m_RelZ;

    BLOCKTYPE m_BlockType;

    NIBBLETYPE m_BlockMeta;

    cWorld * m_World;
} ;  // tolua_export