001    package net.minecraft.src;
002    
003    public class InventoryLargeChest implements IInventory
004    {
005        /** Name of the chest. */
006        private String name;
007    
008        /** Inventory object corresponding to double chest upper part */
009        private IInventory upperChest;
010    
011        /** Inventory object corresponding to double chest lower part */
012        private IInventory lowerChest;
013    
014        public InventoryLargeChest(String par1Str, IInventory par2IInventory, IInventory par3IInventory)
015        {
016            this.name = par1Str;
017    
018            if (par2IInventory == null)
019            {
020                par2IInventory = par3IInventory;
021            }
022    
023            if (par3IInventory == null)
024            {
025                par3IInventory = par2IInventory;
026            }
027    
028            this.upperChest = par2IInventory;
029            this.lowerChest = par3IInventory;
030        }
031    
032        /**
033         * Returns the number of slots in the inventory.
034         */
035        public int getSizeInventory()
036        {
037            return this.upperChest.getSizeInventory() + this.lowerChest.getSizeInventory();
038        }
039    
040        public boolean func_90010_a(IInventory par1IInventory)
041        {
042            return this.upperChest == par1IInventory || this.lowerChest == par1IInventory;
043        }
044    
045        /**
046         * Returns the name of the inventory.
047         */
048        public String getInvName()
049        {
050            return this.name;
051        }
052    
053        /**
054         * Returns the stack in slot i
055         */
056        public ItemStack getStackInSlot(int par1)
057        {
058            return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.getStackInSlot(par1 - this.upperChest.getSizeInventory()) : this.upperChest.getStackInSlot(par1);
059        }
060    
061        /**
062         * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
063         * new stack.
064         */
065        public ItemStack decrStackSize(int par1, int par2)
066        {
067            return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.decrStackSize(par1 - this.upperChest.getSizeInventory(), par2) : this.upperChest.decrStackSize(par1, par2);
068        }
069    
070        /**
071         * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
072         * like when you close a workbench GUI.
073         */
074        public ItemStack getStackInSlotOnClosing(int par1)
075        {
076            return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.getStackInSlotOnClosing(par1 - this.upperChest.getSizeInventory()) : this.upperChest.getStackInSlotOnClosing(par1);
077        }
078    
079        /**
080         * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
081         */
082        public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
083        {
084            if (par1 >= this.upperChest.getSizeInventory())
085            {
086                this.lowerChest.setInventorySlotContents(par1 - this.upperChest.getSizeInventory(), par2ItemStack);
087            }
088            else
089            {
090                this.upperChest.setInventorySlotContents(par1, par2ItemStack);
091            }
092        }
093    
094        /**
095         * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
096         * this more of a set than a get?*
097         */
098        public int getInventoryStackLimit()
099        {
100            return this.upperChest.getInventoryStackLimit();
101        }
102    
103        /**
104         * Called when an the contents of an Inventory change, usually
105         */
106        public void onInventoryChanged()
107        {
108            this.upperChest.onInventoryChanged();
109            this.lowerChest.onInventoryChanged();
110        }
111    
112        /**
113         * Do not make give this method the name canInteractWith because it clashes with Container
114         */
115        public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
116        {
117            return this.upperChest.isUseableByPlayer(par1EntityPlayer) && this.lowerChest.isUseableByPlayer(par1EntityPlayer);
118        }
119    
120        public void openChest()
121        {
122            this.upperChest.openChest();
123            this.lowerChest.openChest();
124        }
125    
126        public void closeChest()
127        {
128            this.upperChest.closeChest();
129            this.lowerChest.closeChest();
130        }
131    }