001    package net.minecraft.inventory;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import net.minecraft.entity.player.EntityPlayer;
006    import net.minecraft.entity.player.InventoryPlayer;
007    import net.minecraft.item.ItemStack;
008    import net.minecraft.tileentity.TileEntityBrewingStand;
009    
010    public class ContainerBrewingStand extends Container
011    {
012        private TileEntityBrewingStand tileBrewingStand;
013    
014        /** Instance of Slot. */
015        private final Slot theSlot;
016        private int brewTime = 0;
017    
018        public ContainerBrewingStand(InventoryPlayer par1InventoryPlayer, TileEntityBrewingStand par2TileEntityBrewingStand)
019        {
020            this.tileBrewingStand = par2TileEntityBrewingStand;
021            this.addSlotToContainer(new SlotBrewingStandPotion(par1InventoryPlayer.player, par2TileEntityBrewingStand, 0, 56, 46));
022            this.addSlotToContainer(new SlotBrewingStandPotion(par1InventoryPlayer.player, par2TileEntityBrewingStand, 1, 79, 53));
023            this.addSlotToContainer(new SlotBrewingStandPotion(par1InventoryPlayer.player, par2TileEntityBrewingStand, 2, 102, 46));
024            this.theSlot = this.addSlotToContainer(new SlotBrewingStandIngredient(this, par2TileEntityBrewingStand, 3, 79, 17));
025            int var3;
026    
027            for (var3 = 0; var3 < 3; ++var3)
028            {
029                for (int var4 = 0; var4 < 9; ++var4)
030                {
031                    this.addSlotToContainer(new Slot(par1InventoryPlayer, var4 + var3 * 9 + 9, 8 + var4 * 18, 84 + var3 * 18));
032                }
033            }
034    
035            for (var3 = 0; var3 < 9; ++var3)
036            {
037                this.addSlotToContainer(new Slot(par1InventoryPlayer, var3, 8 + var3 * 18, 142));
038            }
039        }
040    
041        public void addCraftingToCrafters(ICrafting par1ICrafting)
042        {
043            super.addCraftingToCrafters(par1ICrafting);
044            par1ICrafting.sendProgressBarUpdate(this, 0, this.tileBrewingStand.getBrewTime());
045        }
046    
047        /**
048         * Looks for changes made in the container, sends them to every listener.
049         */
050        public void detectAndSendChanges()
051        {
052            super.detectAndSendChanges();
053    
054            for (int var1 = 0; var1 < this.crafters.size(); ++var1)
055            {
056                ICrafting var2 = (ICrafting)this.crafters.get(var1);
057    
058                if (this.brewTime != this.tileBrewingStand.getBrewTime())
059                {
060                    var2.sendProgressBarUpdate(this, 0, this.tileBrewingStand.getBrewTime());
061                }
062            }
063    
064            this.brewTime = this.tileBrewingStand.getBrewTime();
065        }
066    
067        @SideOnly(Side.CLIENT)
068        public void updateProgressBar(int par1, int par2)
069        {
070            if (par1 == 0)
071            {
072                this.tileBrewingStand.setBrewTime(par2);
073            }
074        }
075    
076        public boolean canInteractWith(EntityPlayer par1EntityPlayer)
077        {
078            return this.tileBrewingStand.isUseableByPlayer(par1EntityPlayer);
079        }
080    
081        /**
082         * Called when a player shift-clicks on a slot. You must override this or you will crash when someone does that.
083         */
084        public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
085        {
086            ItemStack var3 = null;
087            Slot var4 = (Slot)this.inventorySlots.get(par2);
088    
089            if (var4 != null && var4.getHasStack())
090            {
091                ItemStack var5 = var4.getStack();
092                var3 = var5.copy();
093    
094                if ((par2 < 0 || par2 > 2) && par2 != 3)
095                {
096                    if (!this.theSlot.getHasStack() && this.theSlot.isItemValid(var5))
097                    {
098                        if (!this.mergeItemStack(var5, 3, 4, false))
099                        {
100                            return null;
101                        }
102                    }
103                    else if (SlotBrewingStandPotion.canHoldPotion(var3))
104                    {
105                        if (!this.mergeItemStack(var5, 0, 3, false))
106                        {
107                            return null;
108                        }
109                    }
110                    else if (par2 >= 4 && par2 < 31)
111                    {
112                        if (!this.mergeItemStack(var5, 31, 40, false))
113                        {
114                            return null;
115                        }
116                    }
117                    else if (par2 >= 31 && par2 < 40)
118                    {
119                        if (!this.mergeItemStack(var5, 4, 31, false))
120                        {
121                            return null;
122                        }
123                    }
124                    else if (!this.mergeItemStack(var5, 4, 40, false))
125                    {
126                        return null;
127                    }
128                }
129                else
130                {
131                    if (!this.mergeItemStack(var5, 4, 40, true))
132                    {
133                        return null;
134                    }
135    
136                    var4.onSlotChange(var5, var3);
137                }
138    
139                if (var5.stackSize == 0)
140                {
141                    var4.putStack((ItemStack)null);
142                }
143                else
144                {
145                    var4.onSlotChanged();
146                }
147    
148                if (var5.stackSize == var3.stackSize)
149                {
150                    return null;
151                }
152    
153                var4.onPickupFromSlot(par1EntityPlayer, var5);
154            }
155    
156            return var3;
157        }
158    }