org.bukkit.event.entity.EntityDamageEvent.DamageCause#ENTITY_ATTACK源码实例Demo

@SuppressWarnings("deprecation")
@EventHandler
public void onHit(EntityDamageByEntityEvent e) {
	if (e.isCancelled())
		return;
	if (e.getDamager() instanceof Player) {
		Player d = (Player) e.getDamager();
		if ((e.getCause() == DamageCause.ENTITY_ATTACK || e.getCause() == DamageCause.ENTITY_SWEEP_ATTACK)) {
			if (QualityArmory.isMisc(d.getItemInHand())) {
				CustomBaseObject aa = QualityArmory.getMisc(d.getItemInHand());
				if (aa instanceof MeleeItems) {
					DEBUG("Setting damage for " + aa.getName() + " to be equal to " + ((MeleeItems) aa).getDamage()
							+ ". was " + e.getDamage());
					e.setDamage(((MeleeItems) aa).getDamage());
				}
				if (aa.getSoundOnHit() != null) {
					e.getEntity().getWorld().playSound(e.getEntity().getLocation(), aa.getSoundOnHit(), 1, 1);
				}
			}
		}
		if (QualityArmory.isGun(d.getItemInHand())
				|| QualityArmory.isIronSights(d.getItemInHand()))
			DEBUG("The player " + e.getEntity().getName() + " was Hit with a gun! Damage=" + e.getDamage());
	}
}
 

private void stomp(EntityDamageEvent e) {
    Player p = (Player) e.getEntity();
    p.getWorld().playSound(p.getLocation(), Sound.ENTITY_ZOMBIE_BREAK_WOODEN_DOOR, 1F, 2F);
    p.setVelocity(new Vector(0.0, 0.7, 0.0));

    for (Entity n : p.getNearbyEntities(4, 4, 4)) {
        if (n instanceof LivingEntity && !n.getUniqueId().equals(p.getUniqueId())) {
            Vector velocity = n.getLocation().toVector().subtract(p.getLocation().toVector()).normalize().multiply(1.4);
            n.setVelocity(velocity);

            if (!(n instanceof Player) || (p.getWorld().getPVP() && SlimefunPlugin.getProtectionManager().hasPermission(p, n.getLocation(), ProtectableAction.PVP))) {
                EntityDamageByEntityEvent event = new EntityDamageByEntityEvent(p, n, DamageCause.ENTITY_ATTACK, e.getDamage() / 2);
                Bukkit.getPluginManager().callEvent(event);
                if (!event.isCancelled()) ((LivingEntity) n).damage(e.getDamage() / 2);
            }
        }
    }

    for (BlockFace face : BlockFace.values()) {
        Block b = p.getLocation().getBlock().getRelative(BlockFace.DOWN).getRelative(face);
        p.getWorld().playEffect(b.getLocation(), Effect.STEP_SOUND, b.getType());
    }
}
 

@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onDamageGet(EntityDamageEvent e) {
    if (e.getEntity() instanceof Player) {
        if (e.getCause() == DamageCause.LAVA) {
            Talisman.checkFor(e, SlimefunItems.TALISMAN_LAVA);
        }

        if (e.getCause() == DamageCause.DROWNING) {
            Talisman.checkFor(e, SlimefunItems.TALISMAN_WATER);
        }

        if (e.getCause() == DamageCause.FALL) {
            Talisman.checkFor(e, SlimefunItems.TALISMAN_ANGEL);
        }

        if (e.getCause() == DamageCause.FIRE) {
            Talisman.checkFor(e, SlimefunItems.TALISMAN_FIRE);
        }

        if (e.getCause() == DamageCause.ENTITY_ATTACK) {
            Talisman.checkFor(e, SlimefunItems.TALISMAN_KNIGHT);
            Talisman.checkFor(e, SlimefunItems.TALISMAN_WARRIOR);
        }

        if (e.getCause() == DamageCause.PROJECTILE && ((EntityDamageByEntityEvent) e).getDamager() instanceof Projectile) {
            Projectile projectile = (Projectile) ((EntityDamageByEntityEvent) e).getDamager();

            if (Talisman.checkFor(e, SlimefunItems.TALISMAN_WHIRLWIND)) {
                returnProjectile((Player) e.getEntity(), projectile);
            }
        }
    }
}
 

private void pushEntity(Player p, Entity entity) {
    Vector vector = entity.getLocation().toVector().subtract(p.getLocation().toVector()).normalize();
    vector.multiply(STRENGTH);
    vector.setY(0.9);
    entity.setVelocity(vector);

    if (entity.getType() != EntityType.PLAYER || p.getWorld().getPVP()) {
        EntityDamageByEntityEvent event = new EntityDamageByEntityEvent(p, entity, DamageCause.ENTITY_ATTACK, 6D);
        Bukkit.getPluginManager().callEvent(event);

        if (!event.isCancelled()) {
            ((LivingEntity) entity).damage(DAMAGE);
        }
    }
}
 

public void onEntityDamageEvent(EntityDamageEvent event, SpleefPlayer damaged) {
	boolean disableDamage = getPropertyValue(GameProperty.DISABLE_DAMAGE);
	
	if (event.getCause() != DamageCause.ENTITY_ATTACK && disableDamage) {
		event.setCancelled(true);
	}
}
 

@Override
public boolean damageEntity(DamageSource source, float damage) {
    if(godmode || noDamageTicks > 0) {
        return false;
    }

    DamageCause cause = null;
    org.bukkit.entity.Entity bEntity = null;
    if(source instanceof EntityDamageSource) {
        Entity damager = source.getEntity();
        cause = DamageCause.ENTITY_ATTACK;
        if(source instanceof EntityDamageSourceIndirect) {
            damager = ((EntityDamageSourceIndirect) source).getProximateDamageSource();
            if(damager.getBukkitEntity() instanceof ThrownPotion) {
                cause = DamageCause.MAGIC;
            } else if(damager.getBukkitEntity() instanceof Projectile) {
                cause = DamageCause.PROJECTILE;
            }
        }

        bEntity = damager.getBukkitEntity();
    } else if(source == DamageSource.FIRE)
        cause = DamageCause.FIRE;
    else if(source == DamageSource.STARVE)
        cause = DamageCause.STARVATION;
    else if(source == DamageSource.WITHER)
        cause = DamageCause.WITHER;
    else if(source == DamageSource.STUCK)
        cause = DamageCause.SUFFOCATION;
    else if(source == DamageSource.DROWN)
        cause = DamageCause.DROWNING;
    else if(source == DamageSource.BURN)
        cause = DamageCause.FIRE_TICK;
    else if(source == CraftEventFactory.MELTING)
        cause = DamageCause.MELTING;
    else if(source == CraftEventFactory.POISON)
        cause = DamageCause.POISON;
    else if(source == DamageSource.MAGIC) {
        cause = DamageCause.MAGIC;
    } else if(source == DamageSource.OUT_OF_WORLD) {
        cause = DamageCause.VOID;
    }

    if(cause != null) {
        NPCDamageEvent event = new NPCDamageEvent(this, bEntity, cause, (double) damage);
        Bukkit.getPluginManager().callEvent(event);
        if(!event.isCancelled()) {
            return super.damageEntity(source, (float) event.getDamage());
        } else {
            return false;
        }
    }

    if(super.damageEntity(source, damage)) {
        if(bEntity != null) {
            Entity e = ((CraftEntity) bEntity).getHandle();
            double d0 = e.locX - this.locX;

            double d1;
            for(d1 = e.locZ - this.locZ; d0 * d0 + d1 * d1 < 0.0001D; d1 = (Math.random() - Math.random()) * 0.01D) {
                d0 = (Math.random() - Math.random()) * 0.01D;
            }

            a(e, damage, d0, d1);
        }

        return true;
    } else {
        return false;
    }
}