001 package net.minecraft.src;
002
003 import java.util.List;
004
005 public class InventoryBasic implements IInventory
006 {
007 private String inventoryTitle;
008 private int slotsCount;
009 private ItemStack[] inventoryContents;
010 private List field_70480_d;
011
012 public InventoryBasic(String par1Str, int par2)
013 {
014 this.inventoryTitle = par1Str;
015 this.slotsCount = par2;
016 this.inventoryContents = new ItemStack[par2];
017 }
018
019 /**
020 * Returns the stack in slot i
021 */
022 public ItemStack getStackInSlot(int par1)
023 {
024 return this.inventoryContents[par1];
025 }
026
027 /**
028 * Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
029 * new stack.
030 */
031 public ItemStack decrStackSize(int par1, int par2)
032 {
033 if (this.inventoryContents[par1] != null)
034 {
035 ItemStack var3;
036
037 if (this.inventoryContents[par1].stackSize <= par2)
038 {
039 var3 = this.inventoryContents[par1];
040 this.inventoryContents[par1] = null;
041 this.onInventoryChanged();
042 return var3;
043 }
044 else
045 {
046 var3 = this.inventoryContents[par1].splitStack(par2);
047
048 if (this.inventoryContents[par1].stackSize == 0)
049 {
050 this.inventoryContents[par1] = null;
051 }
052
053 this.onInventoryChanged();
054 return var3;
055 }
056 }
057 else
058 {
059 return null;
060 }
061 }
062
063 /**
064 * When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
065 * like when you close a workbench GUI.
066 */
067 public ItemStack getStackInSlotOnClosing(int par1)
068 {
069 if (this.inventoryContents[par1] != null)
070 {
071 ItemStack var2 = this.inventoryContents[par1];
072 this.inventoryContents[par1] = null;
073 return var2;
074 }
075 else
076 {
077 return null;
078 }
079 }
080
081 /**
082 * Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
083 */
084 public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
085 {
086 this.inventoryContents[par1] = par2ItemStack;
087
088 if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit())
089 {
090 par2ItemStack.stackSize = this.getInventoryStackLimit();
091 }
092
093 this.onInventoryChanged();
094 }
095
096 /**
097 * Returns the number of slots in the inventory.
098 */
099 public int getSizeInventory()
100 {
101 return this.slotsCount;
102 }
103
104 /**
105 * Returns the name of the inventory.
106 */
107 public String getInvName()
108 {
109 return this.inventoryTitle;
110 }
111
112 /**
113 * Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
114 * this more of a set than a get?*
115 */
116 public int getInventoryStackLimit()
117 {
118 return 64;
119 }
120
121 /**
122 * Called when an the contents of an Inventory change, usually
123 */
124 public void onInventoryChanged()
125 {
126 if (this.field_70480_d != null)
127 {
128 for (int var1 = 0; var1 < this.field_70480_d.size(); ++var1)
129 {
130 ((IInvBasic)this.field_70480_d.get(var1)).onInventoryChanged(this);
131 }
132 }
133 }
134
135 /**
136 * Do not make give this method the name canInteractWith because it clashes with Container
137 */
138 public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
139 {
140 return true;
141 }
142
143 public void openChest() {}
144
145 public void closeChest() {}
146 }