package net.minecraft.inventory;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.item.ItemStack;

public class ContainerHopper extends Container
{
	private final IInventory field_94538_a;
	private static final String __OBFID = "CL_00001750";

	public ContainerHopper(InventoryPlayer par1InventoryPlayer, IInventory par2IInventory)
	{
		this.field_94538_a = par2IInventory;
		par2IInventory.openInventory();
		byte b0 = 51;
		int i;

		for (i = 0; i < par2IInventory.getSizeInventory(); ++i)
		{
			this.addSlotToContainer(new Slot(par2IInventory, i, 44 + i * 18, 20));
		}

		for (i = 0; i < 3; ++i)
		{
			for (int j = 0; j < 9; ++j)
			{
				this.addSlotToContainer(new Slot(par1InventoryPlayer, j + i * 9 + 9, 8 + j * 18, i * 18 + b0));
			}
		}

		for (i = 0; i < 9; ++i)
		{
			this.addSlotToContainer(new Slot(par1InventoryPlayer, i, 8 + i * 18, 58 + b0));
		}
	}

	public boolean canInteractWith(EntityPlayer par1EntityPlayer)
	{
		return this.field_94538_a.isUseableByPlayer(par1EntityPlayer);
	}

	public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
	{
		ItemStack itemstack = null;
		Slot slot = (Slot)this.inventorySlots.get(par2);

		if (slot != null && slot.getHasStack())
		{
			ItemStack itemstack1 = slot.getStack();
			itemstack = itemstack1.copy();

			if (par2 < this.field_94538_a.getSizeInventory())
			{
				if (!this.mergeItemStack(itemstack1, this.field_94538_a.getSizeInventory(), this.inventorySlots.size(), true))
				{
					return null;
				}
			}
			else if (!this.mergeItemStack(itemstack1, 0, this.field_94538_a.getSizeInventory(), false))
			{
				return null;
			}

			if (itemstack1.stackSize == 0)
			{
				slot.putStack((ItemStack)null);
			}
			else
			{
				slot.onSlotChanged();
			}
		}

		return itemstack;
	}

	public void onContainerClosed(EntityPlayer par1EntityPlayer)
	{
		super.onContainerClosed(par1EntityPlayer);
		this.field_94538_a.closeInventory();
	}
}