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path: root/src/BlockEntities/ChestEntity.h
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#pragma once

#include "BlockEntityWithItems.h"
#include "../Simulator/RedstoneSimulator.h"





class cClientHandle;





// tolua_begin
class cChestEntity :
	public cBlockEntityWithItems
{
	// tolua_end

	using Super = cBlockEntityWithItems;

	// tolua_begin

public:

	enum
	{
		ContentsHeight = 3,
		ContentsWidth  = 9,
	} ;

	// tolua_end

	/** Constructor used for normal operation */
	cChestEntity(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Vector3i a_Pos, cWorld * a_World);

	// cBlockEntity overrides:
	virtual void CopyFrom(const cBlockEntity & a_Src) override;
	virtual void OnRemoveFromWorld() override;
	virtual void SendTo(cClientHandle & a_Client) override;
	virtual bool UsedBy(cPlayer * a_Player) override;

	/** Search horizontally adjacent blocks for neighbouring chests of the same type and links them together. */
	void ScanNeighbours();

	/** Opens a new chest window where this is the primary chest and any neighbour is the secondary. */
	void OpenNewWindow();

	/** Forces any players to close the owned window. */
	void DestroyWindow();

	/** Returns true if the chest should not be accessible by players. */
	bool IsBlocked();

	/** Gets the number of players who currently have this chest open */
	int GetNumberOfPlayers(void) const { return m_NumActivePlayers; }

	/** Sets the number of players who currently have this chest open */
	void SetNumberOfPlayers(int a_NumActivePlayers) { m_NumActivePlayers = a_NumActivePlayers; }

private:

	/** Number of players who currently have this chest open */
	int m_NumActivePlayers;

	/** Neighbouring chest that links to form a double chest */
	cChestEntity * m_Neighbour;

	/** cItemGrid::cListener overrides: */
	virtual void OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum) override;
} ;  // tolua_export