container

package com.ButterAleks.RandomIdeas.blocks.container;

import com.ButterAleks.RandomIdeas.blocks.tileentity.TileEntityRainbowChestBlock;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraft.util.math.BlockPos;

public class ContainerRainbowChestBlock extends Container
{
private final int numRows;
private final TileEntityRainbowChestBlock chestInventory;

public ContainerRainbowChestBlock(InventoryPlayer playerInv, TileEntityRainbowChestBlock tileEntityRainbowChestBlock, EntityPlayer player)
{
	this.chestInventory = tileEntityRainbowChestBlock;
	this.numRows = tileEntityRainbowChestBlock.getSizeInventory() / 9;
	tileEntityRainbowChestBlock.openInventory(player);

	for(int i = 0; i < this.numRows; ++ i)
	{
		for(int j = 0; j < 9; ++ j)
		{
			this.addSlotToContainer(new Slot(tileEntityRainbowChestBlock, j + i*9, 8 + j*18, 18 + i*18));
		}
	}
	for(int y = 0; y < 3; y++)
	{
		for(int x = 0; x < 9; x++)
		{
			this.addSlotToContainer(new Slot(playerInv, x + y*9 + 9, 8 + x*18, 175 + y*18));
		}
	}
	for(int x = 0; x < 9; x++)
	{
		this.addSlotToContainer(new Slot(playerInv, x, 8 + x*18, 233));
	}

}
@Override
public boolean canInteractWith(EntityPlayer playerIn)
{
	return this.chestInventory.isUsableByPlayer(playerIn);
}

@Override
public void onContainerClosed(EntityPlayer playerIn)
{
	super.onContainerClosed(playerIn);
	chestInventory.closeInventory(playerIn);
}

@Override
public ItemStack transferStackInSlot(EntityPlayer playerIn, int index)
{
    ItemStack itemstack = ItemStack.EMPTY;
    Slot slot = this.inventorySlots.get(index);

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

        if (index < this.numRows * 9)
        {
            if (!this.mergeItemStack(itemstack1, this.numRows * 9, this.inventorySlots.size(), true))
            {
                return ItemStack.EMPTY;
            }
        }
        else if (!this.mergeItemStack(itemstack1, 0, this.numRows * 9, false))
        {
            return ItemStack.EMPTY;
        }

        if (itemstack1.isEmpty())
        {
            slot.putStack(ItemStack.EMPTY);
        }
        else
        {
            slot.onSlotChanged();
        }
    }

    return itemstack;
}
public TileEntityRainbowChestBlock getChestInventory()
{
	return this.chestInventory;
}
}