#pragma once

#include "cWindowOwner.h"





namespace Json
{
	class Value;
};

class cItem;
class cClientHandle;
class cPlayer;





class cInventory										//tolua_export	
	: public cWindowOwner	
{														//tolua_export
public:
	cInventory(cPlayer* a_Owner);
	~cInventory();

	void Clear();										//tolua_export

	cItem* GetSlotsForType( int a_Type );
	int GetSlotCountForType( int a_Type );

	bool AddItem( cItem & a_Item );						//tolua_export
	bool RemoveItem( cItem & a_Item );					//tolua_export

	void SaveToJson(Json::Value & a_Value);
	bool LoadFromJson(Json::Value & a_Value);

	void SendWholeInventory( cClientHandle* a_Client );
	void SendWholeInventoryToAll(void);

	cItem* GetSlot( int a_SlotNum );					//tolua_export
	cItem* GetSlots() const { return m_Slots; }
	cItem* GetFromHotBar( int a_SlotNum );				//tolua_export

	cItem &       GetEquippedItem(void);							//tolua_export
	const cItem & GetEquippedItem(void) const;
	void SetEquippedSlot( int a_SlotNum );				//tolua_export
	short GetEquippedSlot() { return m_EquippedSlot; }	//tolua_export

	virtual void Clicked(short a_SlotNum, bool a_IsRightClick, bool a_IsShiftPressed, const cItem & a_HeldItem) = 0;

	void SendSlot( int a_SlotNum );						//tolua_export
	
	/// Returns how many items of the specified type would fit into the slot range specified
	int HowManyCanFit(short a_ItemType, short a_ItemDamage, int a_BeginSlot, int a_EndSlot);
	
	/// Moves items, fitting them into the slot range specified, up to a_Count items. Returns the number of items moved
	int MoveItem(short a_ItemType, short a_ItemDamage, int a_Count, int a_BeginSlot, int a_EndSlot);

	static const unsigned int c_NumSlots = 45;
	static const unsigned int c_MainSlots = 27;
	static const unsigned int c_HotSlots = 9;
	static const unsigned int c_CraftSlots = 4;
	static const unsigned int c_ArmorSlots = 4;

	static const unsigned int c_CraftOffset = 0;
	static const unsigned int c_ArmorOffset = 5;
	static const unsigned int c_MainOffset = 9;
	static const unsigned int c_HotOffset = 36;

protected:
	bool AddToBar( cItem & a_Item, const int a_Offset, const int a_Size, bool* a_bChangedSlots, int a_Mode = 0 );

	cItem* m_Slots;
	cItem* m_MainSlots;
	cItem* m_CraftSlots;
	cItem* m_ArmorSlots;
	cItem* m_HotSlots;

	cItem* m_EquippedItem;
	short m_EquippedSlot;

	cPlayer* m_Owner;
	
	// cWindowOwner override:
	virtual void GetBlockPos(int & a_BlockX, int & a_BlockY, int & a_BlockZ) override {}  // UNUSED for an inventory
};	//tolua_export