    001    package net.minecraft.src;
    002
    003    public class ContainerChest extends Container
    004    {
    005        private IInventory lowerChestInventory;
    006        private int numRows;
    007
    008        public ContainerChest(IInventory par1IInventory, IInventory par2IInventory)
    009        {
    010            this.lowerChestInventory = par2IInventory;
    011            this.numRows = par2IInventory.getSizeInventory() / 9;
    012            par2IInventory.openChest();
    013            int var3 = (this.numRows - 4) * 18;
    014            int var4;
    015            int var5;
    016
    017            for (var4 = 0; var4 < this.numRows; ++var4)
    018            {
    019                for (var5 = 0; var5 < 9; ++var5)
    020                {
    021                    this.addSlotToContainer(new Slot(par2IInventory, var5 + var4 * 9, 8 + var5 * 18, 18 + var4 * 18));
    022                }
    023            }
    024
    025            for (var4 = 0; var4 < 3; ++var4)
    026            {
    027                for (var5 = 0; var5 < 9; ++var5)
    028                {
    029                    this.addSlotToContainer(new Slot(par1IInventory, var5 + var4 * 9 + 9, 8 + var5 * 18, 103 + var4 * 18 + var3));
    030                }
    031            }
    032
    033            for (var4 = 0; var4 < 9; ++var4)
    034            {
    035                this.addSlotToContainer(new Slot(par1IInventory, var4, 8 + var4 * 18, 161 + var3));
    036            }
    037        }
    038
    039        public boolean canInteractWith(EntityPlayer par1EntityPlayer)
    040        {
    041            return this.lowerChestInventory.isUseableByPlayer(par1EntityPlayer);
    042        }
    043
    044        /**
    045         * Called to transfer a stack from one inventory to the other eg. when shift clicking.
    046         */
    047        public ItemStack transferStackInSlot(int par1)
    048        {
    049            ItemStack var2 = null;
    050            Slot var3 = (Slot)this.inventorySlots.get(par1);
    051
    052            if (var3 != null && var3.getHasStack())
    053            {
    054                ItemStack var4 = var3.getStack();
    055                var2 = var4.copy();
    056
    057                if (par1 < this.numRows * 9)
    058                {
    059                    if (!this.mergeItemStack(var4, this.numRows * 9, this.inventorySlots.size(), true))
    060                    {
    061                        return null;
    062                    }
    063                }
    064                else if (!this.mergeItemStack(var4, 0, this.numRows * 9, false))
    065                {
    066                    return null;
    067                }
    068
    069                if (var4.stackSize == 0)
    070                {
    071                    var3.putStack((ItemStack)null);
    072                }
    073                else
    074                {
    075                    var3.onSlotChanged();
    076                }
    077            }
    078
    079            return var2;
    080        }
    081
    082        /**
    083         * Callback for when the crafting gui is closed.
    084         */
    085        public void onCraftGuiClosed(EntityPlayer par1EntityPlayer)
    086        {
    087            super.onCraftGuiClosed(par1EntityPlayer);
    088            this.lowerChestInventory.closeChest();
    089        }
    090    }