gistfile1.java

package wesserboysMod.eventHandlers;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;

import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.passive.EntitySquid;
import net.minecraft.item.Item;
import net.minecraft.item.ItemBlock;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraftforge.event.entity.living.LivingEvent.LivingUpdateEvent;
import wesserboysMod.client.particles.EntityItemFX;
import wesserboysMod.client.particles.ParticleHelper;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;

public class LivingUpdateEventHandler {
	
	ArrayList<Class> blacklist = new ArrayList<Class>();
	
	@SubscribeEvent
	public void onLivingUpdateEvent(LivingUpdateEvent event) throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
		Entity entity = event.entity;
		if(entity instanceof EntityLiving){
					try{
						Class<?> c = entity.getClass();
						if(!blacklist.contains(c)){
								updateParticleTimer(entity);
							if(readParticleTimer(entity) == 0){
								Method m = c.getDeclaredMethod("getDropItem");
								m.setAccessible(true);
								Object o = m.invoke(entity);
							
								if(o instanceof Item){
									Item item = (Item)o;
									if(!(item instanceof ItemBlock)){
										spawnItemParticle(item, entity);
									}else{
										if(!blacklist.contains(entity.getClass())){
											blacklist.add(entity.getClass());
										}
									}
								}else{
									if(!blacklist.contains(entity.getClass())){
										blacklist.add(entity.getClass());
									}
								}
							}
						}
						
					} catch (NoSuchMethodException x) {
					    x.printStackTrace();
					    if(!blacklist.contains(entity.getClass())){
					    	blacklist.add(entity.getClass());
					    }
					} catch (InvocationTargetException x) {
					    x.printStackTrace();
					} catch (IllegalAccessException x) {
					    x.printStackTrace();
					}
				}
			}
	
	
	private void spawnItemParticle(Item item, Entity entity){
		float particleX =  ((int)Math.round(entity.posX)) + entity.worldObj.rand.nextFloat();
		float particleY =  ((int)Math.round(entity.posY)) + entity.worldObj.rand.nextFloat();
		float particleZ =  ((int)Math.round(entity.posZ)) + entity.worldObj.rand.nextFloat();
	
		float motionX = -0.5F + entity.worldObj.rand.nextFloat();
		float motionY = 0.5F + entity.worldObj.rand.nextFloat();
		float motionZ = -0.5F + entity.worldObj.rand.nextFloat();
	
		ParticleHelper.spawnParticle(new EntityItemFX(item, entity.worldObj, particleX, particleY, particleZ, motionX, motionY, motionZ));
	}
	
	private int readParticleTimer(Entity entity){
		NBTTagCompound compound = entity.getEntityData();
		if(!compound.hasKey("particleTimer")){
			compound.setInteger("particleTimer", 50);
		}
		return compound.getInteger("particleTimer");
	}
	
	private void updateParticleTimer(Entity entity){
		NBTTagCompound compound = entity.getEntityData();
			int particleTimer = readParticleTimer(entity);
			if(particleTimer > 0){
				particleTimer--;
			}else{
				particleTimer = 100;
			}
			compound.setInteger("particleTimer", particleTimer);
		}

}