001    package net.minecraft.inventory;
002    
003    import net.minecraft.entity.player.EntityPlayer;
004    import net.minecraft.entity.player.InventoryPlayer;
005    import net.minecraft.item.ItemArmor;
006    import net.minecraft.item.ItemStack;
007    import net.minecraft.item.crafting.CraftingManager;
008    
009    public class ContainerPlayer extends Container
010    {
011        /** The crafting matrix inventory. */
012        public InventoryCrafting craftMatrix = new InventoryCrafting(this, 2, 2);
013        public IInventory craftResult = new InventoryCraftResult();
014    
015        /** Determines if inventory manipulation should be handled. */
016        public boolean isLocalWorld = false;
017        private final EntityPlayer thePlayer;
018    
019        public ContainerPlayer(InventoryPlayer par1InventoryPlayer, boolean par2, EntityPlayer par3EntityPlayer)
020        {
021            this.isLocalWorld = par2;
022            this.thePlayer = par3EntityPlayer;
023            this.addSlotToContainer(new SlotCrafting(par1InventoryPlayer.player, this.craftMatrix, this.craftResult, 0, 144, 36));
024            int var4;
025            int var5;
026    
027            for (var4 = 0; var4 < 2; ++var4)
028            {
029                for (var5 = 0; var5 < 2; ++var5)
030                {
031                    this.addSlotToContainer(new Slot(this.craftMatrix, var5 + var4 * 2, 88 + var5 * 18, 26 + var4 * 18));
032                }
033            }
034    
035            for (var4 = 0; var4 < 4; ++var4)
036            {
037                this.addSlotToContainer(new SlotArmor(this, par1InventoryPlayer, par1InventoryPlayer.getSizeInventory() - 1 - var4, 8, 8 + var4 * 18, var4));
038            }
039    
040            for (var4 = 0; var4 < 3; ++var4)
041            {
042                for (var5 = 0; var5 < 9; ++var5)
043                {
044                    this.addSlotToContainer(new Slot(par1InventoryPlayer, var5 + (var4 + 1) * 9, 8 + var5 * 18, 84 + var4 * 18));
045                }
046            }
047    
048            for (var4 = 0; var4 < 9; ++var4)
049            {
050                this.addSlotToContainer(new Slot(par1InventoryPlayer, var4, 8 + var4 * 18, 142));
051            }
052    
053            this.onCraftMatrixChanged(this.craftMatrix);
054        }
055    
056        /**
057         * Callback for when the crafting matrix is changed.
058         */
059        public void onCraftMatrixChanged(IInventory par1IInventory)
060        {
061            this.craftResult.setInventorySlotContents(0, CraftingManager.getInstance().findMatchingRecipe(this.craftMatrix, this.thePlayer.worldObj));
062        }
063    
064        /**
065         * Callback for when the crafting gui is closed.
066         */
067        public void onCraftGuiClosed(EntityPlayer par1EntityPlayer)
068        {
069            super.onCraftGuiClosed(par1EntityPlayer);
070    
071            for (int var2 = 0; var2 < 4; ++var2)
072            {
073                ItemStack var3 = this.craftMatrix.getStackInSlotOnClosing(var2);
074    
075                if (var3 != null)
076                {
077                    par1EntityPlayer.dropPlayerItem(var3);
078                }
079            }
080    
081            this.craftResult.setInventorySlotContents(0, (ItemStack)null);
082        }
083    
084        public boolean canInteractWith(EntityPlayer par1EntityPlayer)
085        {
086            return true;
087        }
088    
089        /**
090         * Called when a player shift-clicks on a slot. You must override this or you will crash when someone does that.
091         */
092        public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
093        {
094            ItemStack var3 = null;
095            Slot var4 = (Slot)this.inventorySlots.get(par2);
096    
097            if (var4 != null && var4.getHasStack())
098            {
099                ItemStack var5 = var4.getStack();
100                var3 = var5.copy();
101    
102                if (par2 == 0)
103                {
104                    if (!this.mergeItemStack(var5, 9, 45, true))
105                    {
106                        return null;
107                    }
108    
109                    var4.onSlotChange(var5, var3);
110                }
111                else if (par2 >= 1 && par2 < 5)
112                {
113                    if (!this.mergeItemStack(var5, 9, 45, false))
114                    {
115                        return null;
116                    }
117                }
118                else if (par2 >= 5 && par2 < 9)
119                {
120                    if (!this.mergeItemStack(var5, 9, 45, false))
121                    {
122                        return null;
123                    }
124                }
125                else if (var3.getItem() instanceof ItemArmor && !((Slot)this.inventorySlots.get(5 + ((ItemArmor)var3.getItem()).armorType)).getHasStack())
126                {
127                    int var6 = 5 + ((ItemArmor)var3.getItem()).armorType;
128    
129                    if (!this.mergeItemStack(var5, var6, var6 + 1, false))
130                    {
131                        return null;
132                    }
133                }
134                else if (par2 >= 9 && par2 < 36)
135                {
136                    if (!this.mergeItemStack(var5, 36, 45, false))
137                    {
138                        return null;
139                    }
140                }
141                else if (par2 >= 36 && par2 < 45)
142                {
143                    if (!this.mergeItemStack(var5, 9, 36, false))
144                    {
145                        return null;
146                    }
147                }
148                else if (!this.mergeItemStack(var5, 9, 45, false))
149                {
150                    return null;
151                }
152    
153                if (var5.stackSize == 0)
154                {
155                    var4.putStack((ItemStack)null);
156                }
157                else
158                {
159                    var4.onSlotChanged();
160                }
161    
162                if (var5.stackSize == var3.stackSize)
163                {
164                    return null;
165                }
166    
167                var4.onPickupFromSlot(par1EntityPlayer, var5);
168            }
169    
170            return var3;
171        }
172    }