Paper/paper-api/src/main/java/org/bukkit/EntityEffect.java

package org.bukkit;

/**
 * A list of all Effects that can happen to entities.
 */
public enum EntityEffect {
	
	/**
	 * When mobs get hurt.
	 */
	HURT((byte) 2),
	
	/**
	 * When a mob dies.
	 * <p>
	 * <b>This will cause client-glitches!
	 */
	DEATH((byte) 3),
	
	/**
	 * The smoke when taming a wolf fails.
	 * <p>
	 * Without client-mods this will be ignored if the entity is not a wolf.
	 */
	WOLF_SMOKE((byte) 6),
	
	/**
	 * The hearts when taming a wolf succeeds.
	 * <p>
	 * Without client-mods this will be ignored if the entity is not a wolf.
	 */
	WOLF_HEARTS((byte) 7),
	
	/**
	 * When a wolf shakes (after being wet).
	 * <p>
	 * Without client-mods this will be ignored if the entity is not a wolf.
	 */
	WOLF_SHAKE((byte) 8);

	private final byte data;

	EntityEffect(byte data)
	{
		this.data = data;
	}

	/**
	 * @return The data-value that is sent to the client to play this effect.
	 */
	public byte getData() {
		return data;
	}
}