package net.minecraft.inventory;

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

public class ContainerChest extends Container
{
	private IInventory lowerChestInventory;
	private int numRows;
	private static final String __OBFID = "CL_00001742";

	public ContainerChest(IInventory par1IInventory, IInventory par2IInventory)
	{
		this.lowerChestInventory = par2IInventory;
		this.numRows = par2IInventory.getSizeInventory() / 9;
		par2IInventory.openInventory();
		int i = (this.numRows - 4) * 18;
		int j;
		int k;

		for (j = 0; j < this.numRows; ++j)
		{
			for (k = 0; k < 9; ++k)
			{
				this.addSlotToContainer(new Slot(par2IInventory, k + j * 9, 8 + k * 18, 18 + j * 18));
			}
		}

		for (j = 0; j < 3; ++j)
		{
			for (k = 0; k < 9; ++k)
			{
				this.addSlotToContainer(new Slot(par1IInventory, k + j * 9 + 9, 8 + k * 18, 103 + j * 18 + i));
			}
		}

		for (j = 0; j < 9; ++j)
		{
			this.addSlotToContainer(new Slot(par1IInventory, j, 8 + j * 18, 161 + i));
		}
	}

	public boolean canInteractWith(EntityPlayer par1EntityPlayer)
	{
		return this.lowerChestInventory.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.numRows * 9)
			{
				if (!this.mergeItemStack(itemstack1, this.numRows * 9, this.inventorySlots.size(), true))
				{
					return null;
				}
			}
			else if (!this.mergeItemStack(itemstack1, 0, this.numRows * 9, 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.lowerChestInventory.closeInventory();
	}

	public IInventory getLowerChestInventory()
	{
		return this.lowerChestInventory;
	}
}