001package net.minecraft.inventory;
002
003import net.minecraft.block.Block;
004import net.minecraft.entity.player.EntityPlayer;
005import net.minecraft.entity.player.InventoryPlayer;
006import net.minecraft.item.ItemStack;
007import net.minecraft.item.crafting.CraftingManager;
008import net.minecraft.world.World;
009
010public class ContainerWorkbench extends Container
011{
012    /** The crafting matrix inventory (3x3). */
013    public InventoryCrafting craftMatrix = new InventoryCrafting(this, 3, 3);
014    public IInventory craftResult = new InventoryCraftResult();
015    private World worldObj;
016    private int posX;
017    private int posY;
018    private int posZ;
019
020    public ContainerWorkbench(InventoryPlayer par1InventoryPlayer, World par2World, int par3, int par4, int par5)
021    {
022        this.worldObj = par2World;
023        this.posX = par3;
024        this.posY = par4;
025        this.posZ = par5;
026        this.addSlotToContainer(new SlotCrafting(par1InventoryPlayer.player, this.craftMatrix, this.craftResult, 0, 124, 35));
027        int var6;
028        int var7;
029
030        for (var6 = 0; var6 < 3; ++var6)
031        {
032            for (var7 = 0; var7 < 3; ++var7)
033            {
034                this.addSlotToContainer(new Slot(this.craftMatrix, var7 + var6 * 3, 30 + var7 * 18, 17 + var6 * 18));
035            }
036        }
037
038        for (var6 = 0; var6 < 3; ++var6)
039        {
040            for (var7 = 0; var7 < 9; ++var7)
041            {
042                this.addSlotToContainer(new Slot(par1InventoryPlayer, var7 + var6 * 9 + 9, 8 + var7 * 18, 84 + var6 * 18));
043            }
044        }
045
046        for (var6 = 0; var6 < 9; ++var6)
047        {
048            this.addSlotToContainer(new Slot(par1InventoryPlayer, var6, 8 + var6 * 18, 142));
049        }
050
051        this.onCraftMatrixChanged(this.craftMatrix);
052    }
053
054    /**
055     * Callback for when the crafting matrix is changed.
056     */
057    public void onCraftMatrixChanged(IInventory par1IInventory)
058    {
059        this.craftResult.setInventorySlotContents(0, CraftingManager.getInstance().findMatchingRecipe(this.craftMatrix, this.worldObj));
060    }
061
062    /**
063     * Callback for when the crafting gui is closed.
064     */
065    public void onCraftGuiClosed(EntityPlayer par1EntityPlayer)
066    {
067        super.onCraftGuiClosed(par1EntityPlayer);
068
069        if (!this.worldObj.isRemote)
070        {
071            for (int var2 = 0; var2 < 9; ++var2)
072            {
073                ItemStack var3 = this.craftMatrix.getStackInSlotOnClosing(var2);
074
075                if (var3 != null)
076                {
077                    par1EntityPlayer.dropPlayerItem(var3);
078                }
079            }
080        }
081    }
082
083    public boolean canInteractWith(EntityPlayer par1EntityPlayer)
084    {
085        return this.worldObj.getBlockId(this.posX, this.posY, this.posZ) != Block.workbench.blockID ? false : par1EntityPlayer.getDistanceSq((double)this.posX + 0.5D, (double)this.posY + 0.5D, (double)this.posZ + 0.5D) <= 64.0D;
086    }
087
088    /**
089     * Called when a player shift-clicks on a slot. You must override this or you will crash when someone does that.
090     */
091    public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
092    {
093        ItemStack var3 = null;
094        Slot var4 = (Slot)this.inventorySlots.get(par2);
095
096        if (var4 != null && var4.getHasStack())
097        {
098            ItemStack var5 = var4.getStack();
099            var3 = var5.copy();
100
101            if (par2 == 0)
102            {
103                if (!this.mergeItemStack(var5, 10, 46, true))
104                {
105                    return null;
106                }
107
108                var4.onSlotChange(var5, var3);
109            }
110            else if (par2 >= 10 && par2 < 37)
111            {
112                if (!this.mergeItemStack(var5, 37, 46, false))
113                {
114                    return null;
115                }
116            }
117            else if (par2 >= 37 && par2 < 46)
118            {
119                if (!this.mergeItemStack(var5, 10, 37, false))
120                {
121                    return null;
122                }
123            }
124            else if (!this.mergeItemStack(var5, 10, 46, false))
125            {
126                return null;
127            }
128
129            if (var5.stackSize == 0)
130            {
131                var4.putStack((ItemStack)null);
132            }
133            else
134            {
135                var4.onSlotChanged();
136            }
137
138            if (var5.stackSize == var3.stackSize)
139            {
140                return null;
141            }
142
143            var4.onPickupFromSlot(par1EntityPlayer, var5);
144        }
145
146        return var3;
147    }
148}