1 files changed, 96 insertions, 0 deletions

diff --git a/src/BlockEntities/HopperEntity.h b/src/BlockEntities/HopperEntity.h
new file mode 100644
index 000000000..3eaa05b7c
--- /dev/null
+++ b/src/BlockEntities/HopperEntity.h
@@ -0,0 +1,96 @@
+
+// HopperEntity.h
+
+// Declares the cHopperEntity representing a hopper block entity
+
+
+
+
+
+#pragma once
+
+#include "BlockEntityWithItems.h"
+#include "../UI/WindowOwner.h"
+
+
+
+
+
+class cHopperEntity :  // tolua_export
+	public cBlockEntityWindowOwner,
+	// tolua_begin
+	public cBlockEntityWithItems
+{
+	typedef cBlockEntityWithItems super;
+
+public:
+	enum {
+		ContentsHeight = 1,
+		ContentsWidth  = 5,
+		TICKS_PER_TRANSFER = 8,  ///< How many ticks at minimum between two item transfers to or from the hopper
+	} ;
+
+	// tolua_end
+	
+	/// Constructor used for normal operation
+	cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
+	
+	/** Returns the block coords of the block receiving the output items, based on the meta
+	Returns false if unattached.
+	Exported in ManualBindings.cpp
+	*/
+	bool GetOutputBlockPos(NIBBLETYPE a_BlockMeta, int & a_OutputX, int & a_OutputY, int & a_OutputZ);
+	
+	static const char * GetClassStatic(void) { return "cHopperEntity"; }
+	
+protected:
+
+	Int64 m_LastMoveItemsInTick;
+	Int64 m_LastMoveItemsOutTick;
+
+	// cBlockEntity overrides:
+	virtual bool Tick(float a_Dt, cChunk & a_Chunk) override;
+	virtual void SaveToJson(Json::Value & a_Value) override;
+	virtual void SendTo(cClientHandle & a_Client) override;
+	virtual void UsedBy(cPlayer * a_Player) override;
+	
+	/// Opens a new chest window for this chest. Scans for neighbors to open a double chest window, if appropriate.
+	void OpenNewWindow(void);
+
+	/// Moves items from the container above it into this hopper. Returns true if the contents have changed.
+	bool MoveItemsIn(cChunk & a_Chunk, Int64 a_CurrentTick);
+	
+	/// Moves pickups from above this hopper into it. Returns true if the contents have changed.
+	bool MovePickupsIn(cChunk & a_Chunk, Int64 a_CurrentTick);
+	
+	/// Moves items out from this hopper into the destination. Returns true if the contents have changed.
+	bool MoveItemsOut(cChunk & a_Chunk, Int64 a_CurrentTick);
+	
+	/// Moves items from a chest (dblchest) above the hopper into this hopper. Returns true if contents have changed.
+	bool MoveItemsFromChest(cChunk & a_Chunk);
+	
+	/// Moves items from a furnace above the hopper into this hopper. Returns true if contents have changed.
+	bool MoveItemsFromFurnace(cChunk & a_Chunk);
+	
+	/// Moves items from the specified a_Entity's Contents into this hopper. Returns true if contents have changed.
+	bool MoveItemsFromGrid(cBlockEntityWithItems & a_Entity);
+	
+	/// Moves one piece from the specified itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack.
+	bool MoveItemsFromSlot(cBlockEntityWithItems & a_Entity, int a_SrcSlotNum, bool a_AllowNewStacks);
+	
+	/// Moves items to the chest at the specified coords. Returns true if contents have changed
+	bool MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ);
+	
+	/// Moves items to the furnace at the specified coords. Returns true if contents have changed
+	bool MoveItemsToFurnace(cChunk & a_Chunk, int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_HopperMeta);
+	
+	/// Moves items to the specified ItemGrid. Returns true if contents have changed
+	bool MoveItemsToGrid(cBlockEntityWithItems & a_Entity);
+
+	/// Moves one piece to the specified entity's contents' slot. Returns true if contents have changed.
+	bool MoveItemsToSlot(cBlockEntityWithItems & a_Entity, int a_DstSlotNum);
+} ;  // tolua_export
+
+
+
+