ContainerPlayer.java

package net.minecraft.inventory;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.item.ItemArmor;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.CraftingManager;

public class ContainerPlayer extends Container
{
    /** The crafting matrix inventory. */
    public InventoryCrafting craftMatrix = new InventoryCrafting(this, 2, 2);
    public IInventory craftResult = new InventoryCraftResult();

    /** Determines if inventory manipulation should be handled. */
    public boolean isLocalWorld = false;
    private final EntityPlayer thePlayer;

    public ContainerPlayer(InventoryPlayer par1InventoryPlayer, boolean par2, EntityPlayer par3EntityPlayer)
    {
        this.isLocalWorld = par2;
        this.thePlayer = par3EntityPlayer;
        this.addSlotToContainer(new SlotCrafting(par1InventoryPlayer.player, this.craftMatrix, this.craftResult, 0, 144, 36));
        int i;
        int j;

        for (i = 0; i < 2; ++i)
        {
            for (j = 0; j < 2; ++j)
            {
                this.addSlotToContainer(new Slot(this.craftMatrix, j + i * 2, 88 + j * 18, 26 + i * 18));
            }
        }

        for (i = 0; i < 4; ++i)
        {
            this.addSlotToContainer(new SlotArmor(this, par1InventoryPlayer, par1InventoryPlayer.getSizeInventory() - 1 - i, 8, 8 + i * 18, i));
        }

        for (i = 0; i < 3; ++i)
        {
            for (j = 0; j < 9; ++j)
            {
                this.addSlotToContainer(new Slot(par1InventoryPlayer, j + (i + 1) * 9, 8 + j * 18, 84 + i * 18));
            }
        }

        for (i = 0; i < 9; ++i)
        {
            this.addSlotToContainer(new Slot(par1InventoryPlayer, i, 8 + i * 18, 142));
        }

        this.onCraftMatrixChanged(this.craftMatrix);
    }

    /**
     * Callback for when the crafting matrix is changed.
     */
    public void onCraftMatrixChanged(IInventory par1IInventory)
    {
        this.craftResult.setInventorySlotContents(0, CraftingManager.getInstance().findMatchingRecipe(this.craftMatrix, this.thePlayer.worldObj));
    }

    /**
     * Callback for when the crafting gui is closed.
     */
    public void onCraftGuiClosed(EntityPlayer par1EntityPlayer)
    {
        super.onCraftGuiClosed(par1EntityPlayer);

        for (int i = 0; i < 4; ++i)
        {
            ItemStack itemstack = this.craftMatrix.getStackInSlotOnClosing(i);

            if (itemstack != null)
            {
                par1EntityPlayer.dropPlayerItem(itemstack);
            }
        }

        this.craftResult.setInventorySlotContents(0, (ItemStack)null);
    }

    public boolean canInteractWith(EntityPlayer par1EntityPlayer)
    {
        return true;
    }

    /**
     * Called when a player shift-clicks on a slot. You must override this or you will crash when someone does that.
     */
    public ItemStack transferStackInSlot(EntityPlayer par1EntityPlayer, int par2)
    {
        ItemStack itemstack = null;
        Slot slot = (Slot)this.inventorySlots.get(par2);

        if (slot != null && slot.getHasStack())
        {
            ItemStack itemstack1 = slot.getStack();
            itemstack = itemstack1.copy();

            if (par2 == 0)
            {
                if (!this.mergeItemStack(itemstack1, 9, 45, true))
                {
                    return null;
                }

                slot.onSlotChange(itemstack1, itemstack);
            }
            else if (par2 >= 1 && par2 < 5)
            {
                if (!this.mergeItemStack(itemstack1, 9, 45, false))
                {
                    return null;
                }
            }
            else if (par2 >= 5 && par2 < 9)
            {
                if (!this.mergeItemStack(itemstack1, 9, 45, false))
                {
                    return null;
                }
            }
            else if (itemstack.getItem() instanceof ItemArmor && !((Slot)this.inventorySlots.get(5 + ((ItemArmor)itemstack.getItem()).armorType)).getHasStack())
            {
                int j = 5 + ((ItemArmor)itemstack.getItem()).armorType;

                if (!this.mergeItemStack(itemstack1, j, j + 1, false))
                {
                    return null;
                }
            }
            else if (par2 >= 9 && par2 < 36)
            {
                if (!this.mergeItemStack(itemstack1, 36, 45, false))
                {
                    return null;
                }
            }
            else if (par2 >= 36 && par2 < 45)
            {
                if (!this.mergeItemStack(itemstack1, 9, 36, false))
                {
                    return null;
                }
            }
            else if (!this.mergeItemStack(itemstack1, 9, 45, false))
            {
                return null;
            }

            if (itemstack1.stackSize == 0)
            {
                slot.putStack((ItemStack)null);
            }
            else
            {
                slot.onSlotChanged();
            }

            if (itemstack1.stackSize == itemstack.stackSize)
            {
                return null;
            }

            slot.onPickupFromSlot(par1EntityPlayer, itemstack1);
        }

        return itemstack;
    }

    public boolean func_94530_a(ItemStack par1ItemStack, Slot par2Slot)
    {
        return par2Slot.inventory != this.craftResult && super.func_94530_a(par1ItemStack, par2Slot);
    }
}