AchievementTrigger.java

package com.yolp900.itsjustacharm.common.avchievemetns;

import net.minecraft.item.ItemStack;
import net.minecraft.stats.Achievement;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.PlayerEvent;

public class AchievementTrigger {

	@SubscribeEvent
	public void onItemPickUp(PlayerEvent.ItemPickupEvent event) {
		ItemStack stack = event.pickedUp.getEntityItem();
		if (stack != null && stack.getItem() instanceof IPickupAchievement) {
			Achievement achievement = ((IPickupAchievement)stack.getItem()).getAchievementOnPickup(stack, event.player, event.pickedUp);
			if (achievement != null) {
				event.player.addStat(achievement, 1);
			}
		}
	}

	@SubscribeEvent
	public void onItemCrafted(PlayerEvent.ItemCraftedEvent event) {
		ItemStack stack = event.crafting;
		if (stack != null && stack.getItem() instanceof ICraftAchievement) {
			Achievement achievement = ((ICraftAchievement)stack.getItem()).getAchievementOnCraft(stack, event.player, event.craftMatrix);
			if (achievement != null) {
				event.player.addStat(achievement, 1);
			}
		}
	}

	@SubscribeEvent
	public void inItemSmelted(PlayerEvent.ItemSmeltedEvent event) {
		ItemStack stack = event.smelting;
		if (stack != null && stack.getItem() instanceof ISmeltAchievement) {
			Achievement achievement = ((ISmeltAchievement)stack.getItem()).getAchievementOnSmelt(stack, event.player);
			if (achievement != null) {
				event.player.addStat(achievement, 1);
			}
		}
	}

}