001package net.minecraft.inventory;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import net.minecraft.entity.player.EntityPlayer;
006import net.minecraft.entity.player.InventoryPlayer;
007import net.minecraft.item.ItemStack;
008import net.minecraft.tileentity.TileEntityBrewingStand;
009
010public 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 i;
026
027        for (i = 0; i < 3; ++i)
028        {
029            for (int j = 0; j < 9; ++j)
030            {
031                this.addSlotToContainer(new Slot(par1InventoryPlayer, j + i * 9 + 9, 8 + j * 18, 84 + i * 18));
032            }
033        }
034
035        for (i = 0; i < 9; ++i)
036        {
037            this.addSlotToContainer(new Slot(par1InventoryPlayer, i, 8 + i * 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 i = 0; i < this.crafters.size(); ++i)
055        {
056            ICrafting icrafting = (ICrafting)this.crafters.get(i);
057
058            if (this.brewTime != this.tileBrewingStand.getBrewTime())
059            {
060                icrafting.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 itemstack = null;
087        Slot slot = (Slot)this.inventorySlots.get(par2);
088
089        if (slot != null && slot.getHasStack())
090        {
091            ItemStack itemstack1 = slot.getStack();
092            itemstack = itemstack1.copy();
093
094            if ((par2 < 0 || par2 > 2) && par2 != 3)
095            {
096                if (!this.theSlot.getHasStack() && this.theSlot.isItemValid(itemstack1))
097                {
098                    if (!this.mergeItemStack(itemstack1, 3, 4, false))
099                    {
100                        return null;
101                    }
102                }
103                else if (SlotBrewingStandPotion.canHoldPotion(itemstack))
104                {
105                    if (!this.mergeItemStack(itemstack1, 0, 3, false))
106                    {
107                        return null;
108                    }
109                }
110                else if (par2 >= 4 && par2 < 31)
111                {
112                    if (!this.mergeItemStack(itemstack1, 31, 40, false))
113                    {
114                        return null;
115                    }
116                }
117                else if (par2 >= 31 && par2 < 40)
118                {
119                    if (!this.mergeItemStack(itemstack1, 4, 31, false))
120                    {
121                        return null;
122                    }
123                }
124                else if (!this.mergeItemStack(itemstack1, 4, 40, false))
125                {
126                    return null;
127                }
128            }
129            else
130            {
131                if (!this.mergeItemStack(itemstack1, 4, 40, true))
132                {
133                    return null;
134                }
135
136                slot.onSlotChange(itemstack1, itemstack);
137            }
138
139            if (itemstack1.stackSize == 0)
140            {
141                slot.putStack((ItemStack)null);
142            }
143            else
144            {
145                slot.onSlotChanged();
146            }
147
148            if (itemstack1.stackSize == itemstack.stackSize)
149            {
150                return null;
151            }
152
153            slot.onPickupFromSlot(par1EntityPlayer, itemstack1);
154        }
155
156        return itemstack;
157    }
158}