miningPotion.java

package com.gmail.loustak347.common;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.EnumAction;
import net.minecraft.item.ItemStack;
import net.minecraft.potion.PotionEffect;
import net.minecraft.world.World;
import net.minecraft.item.Item;


public class miningPotion extends Item {

    @Override
    public int getMaxItemUseDuration(ItemStack stack) {
        return 72000;
    }
    public EnumAction getItemUseAction(ItemStack par1ItemStack)
    {
        return EnumAction.drink;
    }
    public ItemStack onItemRightClick(ItemStack stack, World world, EntityPlayer player)
    {
    player.setItemInUse(stack, this.getMaxItemUsageDuration(stack));
    player.addPotionEffect(new PotionEffect(3, 1200, 2));
    if (!player.capabilities.isCreativeMode)
        {
          --stack.stackSize;
        }
    return stack;
    }
}