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

#include "BlockEntityWithItems.h"
#include "../FurnaceRecipe.h"





namespace Json
{
	class Value;
}

class cClientHandle;





// tolua_begin
class cFurnaceEntity :
	public cBlockEntityWithItems
{
	typedef cBlockEntityWithItems super;
	
public:
	enum
	{
		fsInput  = 0,  // Input slot number
		fsFuel   = 1,  // Fuel slot number
		fsOutput = 2,  // Output slot number
		
		ContentsWidth  = 3,
		ContentsHeight = 1,
	};
	
	// tolua_end
	
	/** Constructor used for normal operation */
	cFurnaceEntity(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, cWorld * a_World);
	
	virtual ~cFurnaceEntity();

	static const char * GetClassStatic() { return "cFurnaceEntity"; }
	
	// cBlockEntity overrides:
	virtual void SendTo(cClientHandle & a_Client) override;
	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
	virtual void UsedBy(cPlayer * a_Player) override;
	virtual void Destroy() override
	{
		m_IsDestroyed = true;
		super::Destroy();
	}

	/** Restarts cooking
	Used after the furnace is loaded from storage to set up the internal variables so that cooking continues, if it was active
	Returns true if cooking */
	bool ContinueCooking(void);
	
	// tolua_begin
	
	/** Returns the item in the input slot */
	const cItem & GetInputSlot(void) const { return GetSlot(fsInput); }
	
	/** Returns the item in the fuel slot */
	const cItem & GetFuelSlot(void) const { return GetSlot(fsFuel); }
	
	/** Returns the item in the output slot */
	const cItem & GetOutputSlot(void) const { return GetSlot(fsOutput); }
	
	/** Sets the item in the input slot */
	void SetInputSlot(const cItem & a_Item) { SetSlot(fsInput, a_Item); }
	
	/** Sets the item in the fuel slot */
	void SetFuelSlot(const cItem & a_Item) { SetSlot(fsFuel, a_Item); }
	
	/** Sets the item in the output slot */
	void SetOutputSlot(const cItem & a_Item) { SetSlot(fsOutput, a_Item); }
	
	/** Returns the time that the current item has been cooking, in ticks */
	int GetTimeCooked(void) const { return m_TimeCooked; }
	
	/** Returns the time until the current item finishes cooking, in ticks */
	int GetCookTimeLeft(void) const { return m_NeedCookTime - m_TimeCooked; }
	
	/** Returns the time until the current fuel is depleted, in ticks */
	int GetFuelBurnTimeLeft(void) const { return m_FuelBurnTime - m_TimeBurned; }
	
	/** Returns true if there's time left before the current fuel is depleted */
	bool HasFuelTimeLeft(void) const { return (GetFuelBurnTimeLeft() > 0); }
	
	// tolua_end
	
	void SetBurnTimes(int a_FuelBurnTime, int a_TimeBurned)
	{
		m_FuelBurnTime = a_FuelBurnTime;
		m_TimeBurned = a_TimeBurned;
	}

	void SetCookTimes(int a_NeedCookTime, int a_TimeCooked)
	{
		m_NeedCookTime = a_NeedCookTime;
		m_TimeCooked = a_TimeCooked;
	}
	
protected:
	
	/** Block meta of the block currently represented by this entity */
	NIBBLETYPE m_BlockMeta;

	/** The recipe for the current input slot */
	const cFurnaceRecipe::cRecipe * m_CurrentRecipe;
	
	/** The item that is being smelted */
	cItem m_LastInput;

	/** Set to true when the furnace entity has been destroyed to prevent the block being set again */
	bool m_IsDestroyed;
	
	/** Set to true if the furnace is cooking an item */
	bool m_IsCooking;
	
	/** Amount of ticks needed to fully cook current item */
	int m_NeedCookTime;

	/** Amount of ticks that the current item has been cooking */
	int m_TimeCooked;

	/** Amount of ticks that the current fuel can burn (in total); zero if no fuel burning */
	int m_FuelBurnTime;

	/** Amount of ticks that the current fuel has been burning */
	int m_TimeBurned;	
	
	/** Sends the specified progressbar value to all clients of the window */
	void BroadcastProgress(short a_ProgressbarID, short a_Value);
	
	/** One item finished cooking */
	void FinishOne();
	
	/** Starts burning a new fuel, if possible */
	void BurnNewFuel(void);
	
	/** Updates the recipe, based on the current input */
	void UpdateInput(void);
	
	/** Called when the fuel slot changes or when the fuel is spent, burns another piece of fuel if appropriate */
	void UpdateFuel(void);
	
	/** Called when the output slot changes */
	void UpdateOutput(void);
	
	/** Returns true if the input can be cooked into output and the item counts allow for another cooking operation */
	bool CanCookInputToOutput(void) const;
	
	/** Broadcasts progressbar updates, if needed */
	void UpdateProgressBars(bool a_ForceUpdate = false);
	
	/** Sets the m_IsCooking variable, updates the furnace block type based on the value */
	void SetIsCooking(bool a_IsCooking);
	
	// cItemGrid::cListener overrides:
	virtual void OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum) override;
	
} ;  // tolua_export