001package net.minecraft.inventory;
002
003import net.minecraft.entity.player.EntityPlayer;
004import net.minecraft.item.ItemStack;
005
006public class InventoryLargeChest implements IInventory
007{
008    /** Name of the chest. */
009    private String name;
010
011    /** Inventory object corresponding to double chest upper part */
012    private IInventory upperChest;
013
014    /** Inventory object corresponding to double chest lower part */
015    private IInventory lowerChest;
016
017    public InventoryLargeChest(String par1Str, IInventory par2IInventory, IInventory par3IInventory)
018    {
019        this.name = par1Str;
020
021        if (par2IInventory == null)
022        {
023            par2IInventory = par3IInventory;
024        }
025
026        if (par3IInventory == null)
027        {
028            par3IInventory = par2IInventory;
029        }
030
031        this.upperChest = par2IInventory;
032        this.lowerChest = par3IInventory;
033    }
034
035    /**
036     * Returns the number of slots in the inventory.
037     */
038    public int getSizeInventory()
039    {
040        return this.upperChest.getSizeInventory() + this.lowerChest.getSizeInventory();
041    }
042
043    /**
044     * Return whether the given inventory is part of this large chest.
045     */
046    public boolean isPartOfLargeChest(IInventory par1IInventory)
047    {
048        return this.upperChest == par1IInventory || this.lowerChest == par1IInventory;
049    }
050
051    /**
052     * Returns the name of the inventory.
053     */
054    public String getInvName()
055    {
056        return this.upperChest.func_94042_c() ? this.upperChest.getInvName() : (this.lowerChest.func_94042_c() ? this.lowerChest.getInvName() : this.name);
057    }
058
059    public boolean func_94042_c()
060    {
061        return this.upperChest.func_94042_c() || this.lowerChest.func_94042_c();
062    }
063
064    /**
065     * Returns the stack in slot i
066     */
067    public ItemStack getStackInSlot(int par1)
068    {
069        return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.getStackInSlot(par1 - this.upperChest.getSizeInventory()) : this.upperChest.getStackInSlot(par1);
070    }
071
072    /**
073     * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
074     * new stack.
075     */
076    public ItemStack decrStackSize(int par1, int par2)
077    {
078        return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.decrStackSize(par1 - this.upperChest.getSizeInventory(), par2) : this.upperChest.decrStackSize(par1, par2);
079    }
080
081    /**
082     * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
083     * like when you close a workbench GUI.
084     */
085    public ItemStack getStackInSlotOnClosing(int par1)
086    {
087        return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.getStackInSlotOnClosing(par1 - this.upperChest.getSizeInventory()) : this.upperChest.getStackInSlotOnClosing(par1);
088    }
089
090    /**
091     * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
092     */
093    public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
094    {
095        if (par1 >= this.upperChest.getSizeInventory())
096        {
097            this.lowerChest.setInventorySlotContents(par1 - this.upperChest.getSizeInventory(), par2ItemStack);
098        }
099        else
100        {
101            this.upperChest.setInventorySlotContents(par1, par2ItemStack);
102        }
103    }
104
105    /**
106     * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
107     * this more of a set than a get?*
108     */
109    public int getInventoryStackLimit()
110    {
111        return this.upperChest.getInventoryStackLimit();
112    }
113
114    /**
115     * Called when an the contents of an Inventory change, usually
116     */
117    public void onInventoryChanged()
118    {
119        this.upperChest.onInventoryChanged();
120        this.lowerChest.onInventoryChanged();
121    }
122
123    /**
124     * Do not make give this method the name canInteractWith because it clashes with Container
125     */
126    public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
127    {
128        return this.upperChest.isUseableByPlayer(par1EntityPlayer) && this.lowerChest.isUseableByPlayer(par1EntityPlayer);
129    }
130
131    public void openChest()
132    {
133        this.upperChest.openChest();
134        this.lowerChest.openChest();
135    }
136
137    public void closeChest()
138    {
139        this.upperChest.closeChest();
140        this.lowerChest.closeChest();
141    }
142
143    public boolean func_94041_b(int par1, ItemStack par2ItemStack)
144    {
145        return true;
146    }
147}