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 /**
041 * Returns the name of the inventory.
042 */
043 public String getInvName()
044 {
045 return this.name;
046 }
047
048 /**
049 * Returns the stack in slot i
050 */
051 public ItemStack getStackInSlot(int par1)
052 {
053 return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.getStackInSlot(par1 - this.upperChest.getSizeInventory()) : this.upperChest.getStackInSlot(par1);
054 }
055
056 /**
057 * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
058 * new stack.
059 */
060 public ItemStack decrStackSize(int par1, int par2)
061 {
062 return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.decrStackSize(par1 - this.upperChest.getSizeInventory(), par2) : this.upperChest.decrStackSize(par1, par2);
063 }
064
065 /**
066 * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
067 * like when you close a workbench GUI.
068 */
069 public ItemStack getStackInSlotOnClosing(int par1)
070 {
071 return par1 >= this.upperChest.getSizeInventory() ? this.lowerChest.getStackInSlotOnClosing(par1 - this.upperChest.getSizeInventory()) : this.upperChest.getStackInSlotOnClosing(par1);
072 }
073
074 /**
075 * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
076 */
077 public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
078 {
079 if (par1 >= this.upperChest.getSizeInventory())
080 {
081 this.lowerChest.setInventorySlotContents(par1 - this.upperChest.getSizeInventory(), par2ItemStack);
082 }
083 else
084 {
085 this.upperChest.setInventorySlotContents(par1, par2ItemStack);
086 }
087 }
088
089 /**
090 * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
091 * this more of a set than a get?*
092 */
093 public int getInventoryStackLimit()
094 {
095 return this.upperChest.getInventoryStackLimit();
096 }
097
098 /**
099 * Called when an the contents of an Inventory change, usually
100 */
101 public void onInventoryChanged()
102 {
103 this.upperChest.onInventoryChanged();
104 this.lowerChest.onInventoryChanged();
105 }
106
107 /**
108 * Do not make give this method the name canInteractWith because it clashes with Container
109 */
110 public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
111 {
112 return this.upperChest.isUseableByPlayer(par1EntityPlayer) && this.lowerChest.isUseableByPlayer(par1EntityPlayer);
113 }
114
115 public void openChest()
116 {
117 this.upperChest.openChest();
118 this.lowerChest.openChest();
119 }
120
121 public void closeChest()
122 {
123 this.upperChest.closeChest();
124 this.lowerChest.closeChest();
125 }
126 }