SlotCrafting.java

package net.minecraft.inventory;

import cpw.mods.fml.common.FMLCommonHandler;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemHoe;
import net.minecraft.item.ItemPickaxe;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemSword;
import net.minecraft.stats.AchievementList;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.player.PlayerDestroyItemEvent;

public class SlotCrafting extends Slot
{
    /** The craft matrix inventory linked to this result slot. */
    private final IInventory craftMatrix;
    /** The player that is using the GUI where this slot resides. */
    private EntityPlayer thePlayer;
    /** The number of items that have been crafted so far. Gets passed to ItemStack.onCrafting before being reset. */
    private int amountCrafted;
    private static final String __OBFID = "CL_00001761";

    public SlotCrafting(EntityPlayer p_i1823_1_, IInventory p_i1823_2_, IInventory p_i1823_3_, int p_i1823_4_, int p_i1823_5_, int p_i1823_6_)
    {
        super(p_i1823_3_, p_i1823_4_, p_i1823_5_, p_i1823_6_);
        this.thePlayer = p_i1823_1_;
        this.craftMatrix = p_i1823_2_;
    }

    /**
     * Check if the stack is a valid item for this slot. Always true beside for the armor slots.
     */
    public boolean isItemValid(ItemStack stack)
    {
        return false;
    }

    /**
     * Decrease the size of the stack in slot (first int arg) by the amount of the second int arg. Returns the new
     * stack.
     */
    public ItemStack decrStackSize(int p_75209_1_)
    {
        if (this.getHasStack())
        {
            this.amountCrafted += Math.min(p_75209_1_, this.getStack().stackSize);
        }

        return super.decrStackSize(p_75209_1_);
    }

    /**
     * the itemStack passed in is the output - ie, iron ingots, and pickaxes, not ore and wood. Typically increases an
     * internal count then calls onCrafting(item).
     */
    protected void onCrafting(ItemStack p_75210_1_, int p_75210_2_)
    {
        this.amountCrafted += p_75210_2_;
        this.onCrafting(p_75210_1_);
    }

    /**
     * the itemStack passed in is the output - ie, iron ingots, and pickaxes, not ore and wood.
     */
    protected void onCrafting(ItemStack p_75208_1_)
    {
        p_75208_1_.onCrafting(this.thePlayer.worldObj, this.thePlayer, this.amountCrafted);
        this.amountCrafted = 0;

        if (p_75208_1_.getItem() == Item.getItemFromBlock(Blocks.crafting_table))
        {
            this.thePlayer.addStat(AchievementList.buildWorkBench, 1);
        }

        if (p_75208_1_.getItem() instanceof ItemPickaxe)
        {
            this.thePlayer.addStat(AchievementList.buildPickaxe, 1);
        }

        if (p_75208_1_.getItem() == Item.getItemFromBlock(Blocks.furnace))
        {
            this.thePlayer.addStat(AchievementList.buildFurnace, 1);
        }

        if (p_75208_1_.getItem() instanceof ItemHoe)
        {
            this.thePlayer.addStat(AchievementList.buildHoe, 1);
        }

        if (p_75208_1_.getItem() == Items.bread)
        {
            this.thePlayer.addStat(AchievementList.makeBread, 1);
        }

        if (p_75208_1_.getItem() == Items.cake)
        {
            this.thePlayer.addStat(AchievementList.bakeCake, 1);
        }

        if (p_75208_1_.getItem() instanceof ItemPickaxe && ((ItemPickaxe)p_75208_1_.getItem()).getToolMaterial() != Item.ToolMaterial.WOOD)
        {
            this.thePlayer.addStat(AchievementList.buildBetterPickaxe, 1);
        }

        if (p_75208_1_.getItem() instanceof ItemSword)
        {
            this.thePlayer.addStat(AchievementList.buildSword, 1);
        }

        if (p_75208_1_.getItem() == Item.getItemFromBlock(Blocks.enchanting_table))
        {
            this.thePlayer.addStat(AchievementList.enchantments, 1);
        }

        if (p_75208_1_.getItem() == Item.getItemFromBlock(Blocks.bookshelf))
        {
            this.thePlayer.addStat(AchievementList.bookcase, 1);
        }
    }

    public void onPickupFromSlot(EntityPlayer p_82870_1_, ItemStack p_82870_2_)
    {
        FMLCommonHandler.instance().firePlayerCraftingEvent(p_82870_1_, p_82870_2_, craftMatrix);
        this.onCrafting(p_82870_2_);

        for (int i = 0; i < this.craftMatrix.getSizeInventory(); ++i)
        {
            ItemStack itemstack1 = this.craftMatrix.getStackInSlot(i);

            if (itemstack1 != null)
            {
                this.craftMatrix.decrStackSize(i, 1);

                if (itemstack1.getItem().hasContainerItem(itemstack1))
                {
                    ItemStack itemstack2 = itemstack1.getItem().getContainerItem(itemstack1);

                    if (itemstack2 != null && itemstack2.isItemStackDamageable() && itemstack2.getMetadata() > itemstack2.getMaxDurability())
                    {
                        MinecraftForge.EVENT_BUS.post(new PlayerDestroyItemEvent(thePlayer, itemstack2));
                        continue;
                    }

                    if (!itemstack1.getItem().doesContainerItemLeaveCraftingGrid(itemstack1) || !this.thePlayer.inventory.addItemStackToInventory(itemstack2))
                    {
                        if (this.craftMatrix.getStackInSlot(i) == null)
                        {
                            this.craftMatrix.setInventorySlotContents(i, itemstack2);
                        }
                        else
                        {
                            this.thePlayer.dropPlayerItemWithRandomChoice(itemstack2, false);
                        }
                    }
                }
            }
        }
    }
}