001 package net.minecraft.src;
002
003 import cpw.mods.fml.common.Side;
004 import cpw.mods.fml.common.asm.SideOnly;
005
006 public class ContainerMerchant extends Container
007 {
008 /** Instance of Merchant. */
009 private IMerchant theMerchant;
010 private InventoryMerchant merchantInventory;
011
012 /** Instance of World. */
013 private final World theWorld;
014
015 public ContainerMerchant(InventoryPlayer par1InventoryPlayer, IMerchant par2IMerchant, World par3World)
016 {
017 this.theMerchant = par2IMerchant;
018 this.theWorld = par3World;
019 this.merchantInventory = new InventoryMerchant(par1InventoryPlayer.player, par2IMerchant);
020 this.addSlotToContainer(new Slot(this.merchantInventory, 0, 36, 53));
021 this.addSlotToContainer(new Slot(this.merchantInventory, 1, 62, 53));
022 this.addSlotToContainer(new SlotMerchantResult(par1InventoryPlayer.player, par2IMerchant, this.merchantInventory, 2, 120, 53));
023 int var4;
024
025 for (var4 = 0; var4 < 3; ++var4)
026 {
027 for (int var5 = 0; var5 < 9; ++var5)
028 {
029 this.addSlotToContainer(new Slot(par1InventoryPlayer, var5 + var4 * 9 + 9, 8 + var5 * 18, 84 + var4 * 18));
030 }
031 }
032
033 for (var4 = 0; var4 < 9; ++var4)
034 {
035 this.addSlotToContainer(new Slot(par1InventoryPlayer, var4, 8 + var4 * 18, 142));
036 }
037 }
038
039 public InventoryMerchant getMerchantInventory()
040 {
041 return this.merchantInventory;
042 }
043
044 public void addCraftingToCrafters(ICrafting par1ICrafting)
045 {
046 super.addCraftingToCrafters(par1ICrafting);
047 }
048
049 /**
050 * Updates crafting matrix; called from onCraftMatrixChanged. Args: none
051 */
052 public void updateCraftingResults()
053 {
054 super.updateCraftingResults();
055 }
056
057 /**
058 * Callback for when the crafting matrix is changed.
059 */
060 public void onCraftMatrixChanged(IInventory par1IInventory)
061 {
062 this.merchantInventory.resetRecipeAndSlots();
063 super.onCraftMatrixChanged(par1IInventory);
064 }
065
066 public void setCurrentRecipeIndex(int par1)
067 {
068 this.merchantInventory.setCurrentRecipeIndex(par1);
069 }
070
071 @SideOnly(Side.CLIENT)
072 public void updateProgressBar(int par1, int par2) {}
073
074 public boolean canInteractWith(EntityPlayer par1EntityPlayer)
075 {
076 return this.theMerchant.getCustomer() == par1EntityPlayer;
077 }
078
079 /**
080 * Called when a player shift-clicks on a slot. You must override this or you will crash when someone does that.
081 */
082 public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
083 {
084 ItemStack var3 = null;
085 Slot var4 = (Slot)this.inventorySlots.get(par2);
086
087 if (var4 != null && var4.getHasStack())
088 {
089 ItemStack var5 = var4.getStack();
090 var3 = var5.copy();
091
092 if (par2 == 2)
093 {
094 if (!this.mergeItemStack(var5, 3, 39, true))
095 {
096 return null;
097 }
098
099 var4.onSlotChange(var5, var3);
100 }
101 else if (par2 != 0 && par2 != 1)
102 {
103 if (par2 >= 3 && par2 < 30)
104 {
105 if (!this.mergeItemStack(var5, 30, 39, false))
106 {
107 return null;
108 }
109 }
110 else if (par2 >= 30 && par2 < 39 && !this.mergeItemStack(var5, 3, 30, false))
111 {
112 return null;
113 }
114 }
115 else if (!this.mergeItemStack(var5, 3, 39, false))
116 {
117 return null;
118 }
119
120 if (var5.stackSize == 0)
121 {
122 var4.putStack((ItemStack)null);
123 }
124 else
125 {
126 var4.onSlotChanged();
127 }
128
129 if (var5.stackSize == var3.stackSize)
130 {
131 return null;
132 }
133
134 var4.onPickupFromSlot(par1EntityPlayer, var5);
135 }
136
137 return var3;
138 }
139
140 /**
141 * Callback for when the crafting gui is closed.
142 */
143 public void onCraftGuiClosed(EntityPlayer par1EntityPlayer)
144 {
145 super.onCraftGuiClosed(par1EntityPlayer);
146 this.theMerchant.setCustomer((EntityPlayer)null);
147 super.onCraftGuiClosed(par1EntityPlayer);
148
149 if (!this.theWorld.isRemote)
150 {
151 ItemStack var2 = this.merchantInventory.getStackInSlotOnClosing(0);
152
153 if (var2 != null)
154 {
155 par1EntityPlayer.dropPlayerItem(var2);
156 }
157
158 var2 = this.merchantInventory.getStackInSlotOnClosing(1);
159
160 if (var2 != null)
161 {
162 par1EntityPlayer.dropPlayerItem(var2);
163 }
164 }
165 }
166 }