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

@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onEntityDamage(EntityDamageEvent event) {
	if (((event.getCause() == DamageCause.FIRE_TICK) || (event.getCause() == DamageCause.FIRE) || (event.getCause() == DamageCause.DROWNING))) {
		for (Player player : ServerPlatform.get().getMiscUtils().getNearbyPlayers(event.getEntity().getLocation(), 48, 128, 48)) {
			if (player != null) {
				Connection connection = ProtocolSupportAPI.getConnection(player);
				if (
					(connection != null) &&
					(connection.getVersion().getProtocolType() == ProtocolType.PC) &&
					connection.getVersion().isBefore(ProtocolVersion.MINECRAFT_1_12)
				) {
					connection.sendPacket(ServerPlatform.get().getPacketFactory().createEntityStatusPacket(event.getEntity(), 2));
				}
			}
		}
	}
}
 

private static DamageCause getBlockDamageCause(Block block) {
  switch (block.getType()) {
    case LAVA:
    case STATIONARY_LAVA:
      return DamageCause.LAVA;

    case FIRE:
      return DamageCause.FIRE;

    default:
      return DamageCause.CONTACT;
  }
}
 

private static DamageCause getBlockDamageCause(Block block) {
    switch(block.getType()) {
        case LAVA:
        case STATIONARY_LAVA:
            return DamageCause.LAVA;

        case FIRE:
            return DamageCause.FIRE;

        default:
            return DamageCause.CONTACT;
    }
}
 

@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);
            }
        }
    }
}
 

@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onEntityKilled(EntityDeathEvent e) {
    if (e.getEntity().getType() != EntityType.SHEEP || !plugin.getConfig().getBoolean("options.sheep.dropMutton", true) || !e.getEntity().getWorld().isGameRule("doMobLoot") || !(e.getEntity() instanceof Ageable)) {
        return;
    }
    Ageable entity = (Ageable) e.getEntity();
    if (!entity.isAdult()) {
        return;
    }
    boolean fireaspect = false;
    int looting = 1;
    if (entity.getLastDamageCause() instanceof EntityDamageByEntityEvent) {
        EntityDamageByEntityEvent dEvent = (EntityDamageByEntityEvent) entity.getLastDamageCause();
        if (dEvent.getDamager() != null && dEvent.getDamager() instanceof Player) {
            ItemStack hand = ((Player) dEvent.getDamager()).getItemInHand();
            fireaspect = hand.containsEnchantment(Enchantment.FIRE_ASPECT);
            if (hand.containsEnchantment(Enchantment.LOOT_BONUS_MOBS))
                looting += hand.getEnchantmentLevel(Enchantment.LOOT_BONUS_MOBS);
            if (looting < 1) //Incase a plugin sets an enchantment level to be negative
                looting = 1;
        } else if (dEvent.getDamager() != null && dEvent.getDamager() instanceof Arrow) {
            Arrow a = (Arrow) dEvent.getDamager();
            if (a.getFireTicks() > 0)
                fireaspect = true;
        }
    }
    if (entity.getLastDamageCause().getCause() == DamageCause.FIRE_TICK || entity.getLastDamageCause().getCause() == DamageCause.FIRE
            || entity.getLastDamageCause().getCause() == DamageCause.LAVA || fireaspect)
        e.getDrops().add(new ItemStack(Carbon.injector().cookedMuttonItemMat, random.nextInt(2) + 1 + random.nextInt(looting)));
    else
        e.getDrops().add(new ItemStack(Carbon.injector().muttonItemMat, random.nextInt(2) + 1 + random.nextInt(looting)));
}
 

@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;
    }
}