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// 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
} ;
/// Constructor used while generating a chunk; sets m_World to NULL
cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ);
// tolua_end
/// Constructor used for normal operation
cHopperEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World);
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 ItemGrid into this hopper. Returns true if contents have changed.
bool MoveItemsFromGrid(cItemGrid & a_Grid);
/// Moves one of the specified itemstack into this hopper. Returns true if contents have changed. Doesn't change the itemstack.
bool MoveItemsFromSlot(const cItem & a_ItemStack, bool a_AllowNewStacks);
} ;
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