public class MyEventHandler
{
	static final Random rand = new Random();

	public MyEventHandler()
	{

	}

	@SubscribeEvent(priority=EventPriority.HIGHEST)
	public void onLivingHurt(LivingHurtEvent event)
	{
		/*sorry about so many sanity checks. I'm trying to find the error. there was a ton of logger messages too,
		 * but I removed them for clarity. I also removed the event handlers that have nothing to do with the problem.
		 */

		if(event == null)
		{
			return;
		}
		else if(event.isCanceled())
		{
			return;
		}
		else if(event.source == null)
		{
			return;
		}
		else if(event.entityLiving == null)
		{
			return;
		}

		if(event.entityLiving instanceof EntityPlayer)
		{
			playerGotHurt(event);
		}
		else if(event.source.getEntity() instanceof EntityPlayer)
		{
			playerHurtSomething(event);
		}
	}

	void playerGotHurt(LivingHurtEvent event)
	{
		//more sanity checks throughout the code. bear with me
		float health = 10.0f;
		try
		{
			EntityLivingBase player = event.entityLiving;
			if(player == null)
			{
				return;
			}

			if(Float.isNaN(player.getHealth()))//THIS! I get NaN as HP a lot.
			{
				player.setHealth(20.0f);
				event.ammount = 0;
				return;
			}

			health = player.getHealth();

			PotionEffect effect;

			effect = player.getActivePotionEffect(ModPotions.poisonImmunity);
			if(effect != null)
			{
				player.removePotionEffect(Potion.poison.id);
			}

			if(event.source == DamageSource.lava)
			{
				effect = player.getActivePotionEffect(Potion.fireResistance);
				if(effect != null)
				{

					event.ammount = 0;
					return;
				}
			}
			//ooze is a blue fluid from the mod Lycanites Mobs. I initialize this field properly, don't worry.
			if(event.source == ModDamageSources.ooze)
			{
				effect = player.getActivePotionEffect(ModPotions.frostResistance);
				if(effect != null)
				{
					event.ammount = 0;
					return;
				}
			}
			if(event.source == DamageSource.fall)
			{
				effect = player.getActivePotionEffect(ModPotions.bonelessness);
				if(effect != null)
				{
					event.ammount = 0;
					return;
				}
			}
			if(event.source == DamageSource.wither)
			{
				effect = player.getActivePotionEffect(ModPotions.witherImmunity);
				if(effect != null)
				{
					player.removePotionEffect(Potion.wither.id);
					event.ammount = 0;
					return;
				}
			}
			if(event.source == ModDamageSources.frost)
			{
				effect = player.getActivePotionEffect(ModPotions.frostResistance);
				if(effect != null)
				{
					reduceDamage(event, effect.getAmplifier());
					return;
				}
			}

			if(event.source == ModDamageSources.acid)
			{
				effect = player.getActivePotionEffect(ModPotions.acidResistance);
				if(effect != null)
				{
					reduceDamage(event, effect.getAmplifier());
					return;
				}
			}
			if(OtherMods.lycanitesmobsLoaded)//I also initialize this properly
			{
				if(event.source instanceof EntityDamageSourceIndirect)
				{
					EntityDamageSourceIndirect indirectDamageSource = (EntityDamageSourceIndirect) event.source;

					if(indirectDamageSource.getSourceOfDamage() == null)
					{
						return;
					}

					/* EntityProjectileBase is also from Lycanites Mobs.
					 * It's the base class for every ranged attack in the mod. I added a field to this class.
					 * Lycanites Mobs license allows it, as seen here:
					 *
					 * 4. Modification rights
					 * ----------------------
					 *
					 * The user has the right to decompile the source code, look at either the
					 * decompiled version or the original source code, and to modify it.
					 *
					 * 5. Derivation rights
					 * --------------------
					 *
					 * The user has the rights to derive code from this mod, that is to say to
					 * write code that extends or instanciate the mod classes or interfaces, refer to
					 * its objects, or calls its functions. This code is known as "derived" code, and
					 * can be licensed under a license different from this mod.
					 *
					 * - as seen at
					 * https://github.com/Lycanite/LycanitesMobs/blob/master/LICENSE
					 */
					if(indirectDamageSource.getSourceOfDamage() instanceof EntityProjectileBase)
					{
						EntityProjectileBase directEntity = (EntityProjectileBase)indirectDamageSource.getSourceOfDamage();

						/* bellow I check for the field I added. It's a simple enumeration,
						 * with no constructor or anything. when attacking with ranged attacks,
						 * each mob creates an instance of a derived class of
						 * EntityProjectileBase. I set this field of mine inside the constructor
						 * of each and every one of those derived classes, and I also set a defaulf
						 * value (MOB) in EntityProjectileBase class itself
						 */
						if(directEntity.damageType == null)//yet, there's a sanity check anyway.
						{
							return;
						}

						switch(directEntity.damageType)
						{
						case ARCANE:
							effect = player.getActivePotionEffect(ModPotions.magicResistance);
							if(effect != null)
							{
								reduceDamage(event, effect.getAmplifier());
								return;
							}
							break;
						case BLAST:
							break;
						case BOSS:
							break;
						case FIRE:
							effect = player.getActivePotionEffect(Potion.fireResistance);
							if(effect != null)
							{
								reduceDamage(event, effect.getAmplifier());
								return;
							}
							break;
						case FROST:
							effect = player.getActivePotionEffect(ModPotions.frostResistance);
							if(effect != null)
							{
								reduceDamage(event, effect.getAmplifier());
								return;
							}
							break;
						case MOB:
							break;
						case NATURE:
							break;
						case UNHOLY:
							effect = player.getActivePotionEffect(ModPotions.unholyResistance);
							if(effect != null)
							{
								reduceDamage(event, effect.getAmplifier());
								return;
							}
							break;
						case VENOM:
							effect = player.getActivePotionEffect(ModPotions.poisonImmunity);
							if(effect != null)
							{
								event.ammount = 0;
								return;
							}
							break;
						default:
							break;

						}
					}
				}
			}
		}
		catch(Exception e)//never saw this happen
		{
			GumballWeapons.instance.logger.error("an exception occurred at player got hurt");
			GumballWeapons.instance.logger.error("e: " + e.getMessage());
		}

		//this never happened either
		if(event.entityLiving instanceof EntityPlayer && Float.isNaN(event.entityLiving.getHealth()))
		{
			event.entityLiving.setHealth(health);
			event.ammount = 0;
			return;
		}
	}

	void playerHurtSomething(LivingHurtEvent event)
	{
		//unimportant
	}

	void reduceDamage(LivingHurtEvent event , float resistanceAmplifier)
	{
		if(event.ammount <= resistanceAmplifier)
			event.ammount = 0;
		else
		{
			event.ammount /= resistanceAmplifier;
			if(event.ammount < 1.0f)
				event.ammount = 1.0f;
		}
	}

	public static void postInit(FMLPostInitializationEvent event)
	{
		MinecraftForge.EVENT_BUS.register(new ModEventHandler());
	}
}