SlotAnvil.java

package minefantasy.container;

import net.minecraft.entity.item.EntityXPOrb;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MathHelper;

public class SlotAnvil extends Slot
{
    /** The player that is using the GUI where this slot resides. */
    private EntityPlayer thePlayer;
    private int experiance;
    public float experiancePoints;

    public SlotAnvil(EntityPlayer player, IInventory inventory, int slotNum, int x, int y)
    {
        super(inventory, slotNum, x, y);
    }

    /**
     * Check if the stack is a valid item for this slot. Always true beside for the armor slots.
     */
    public boolean isItemValid(ItemStack item)
    {
        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 slot)
    {
        if (this.getHasStack())
        {
            this.experiance += Math.min(slot, this.getStack().stackSize);
        }

        return super.decrStackSize(slot);
    }
    /**
     * 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 item, int amount)
    {
        this.experiance += amount;
        this.onCrafting(item);
    }

    /**
     * the itemStack passed in is the output - ie, iron ingots, and pickaxes, not ore and wood.
     */
    protected void onCrafting(ItemStack stack)
    {
    	if(thePlayer == null)
    		return;
        stack.onCrafting(this.thePlayer.worldObj, this.thePlayer, this.experiance);

        if (!this.thePlayer.worldObj.isRemote)
        {
            int var2 = this.experiance;
            /**
             * TODO give anvil experience
             */
            float var3 = experiancePoints;
            int var4;

            if (var3 == 0.0F)
            {
                var2 = 0;
            }
            else if (var3 < 1.0F)
            {
                var4 = MathHelper.floor_float((float)var2 * var3);

                if (var4 < MathHelper.ceiling_float_int((float)var2 * var3) && (float)Math.random() < (float)var2 * var3 - (float)var4)
                {
                    ++var4;
                }

                var2 = var4;
            }

            while (var2 > 0)
            {
                var4 = EntityXPOrb.getXPSplit(var2);
                var2 -= var4;
                this.thePlayer.worldObj.spawnEntityInWorld(new EntityXPOrb(this.thePlayer.worldObj, this.thePlayer.posX, this.thePlayer.posY + 0.5D, this.thePlayer.posZ + 0.5D, var4));
            }
        }


        this.experiance = 0;
    }
}