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dEntity.java
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dEntity.java
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package net.aufdemrand.denizen.objects;
import net.aufdemrand.denizen.npc.traits.HealthTrait;
import net.aufdemrand.denizen.objects.properties.entity.EntityAge;
import net.aufdemrand.denizen.objects.properties.entity.EntityColor;
import net.aufdemrand.denizen.objects.properties.entity.EntityTame;
import net.aufdemrand.denizen.scripts.containers.core.EntityScriptContainer;
import net.aufdemrand.denizen.scripts.containers.core.EntityScriptHelper;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.depends.Depends;
import net.aufdemrand.denizen.utilities.entity.DenizenEntityType;
import net.aufdemrand.denizen.utilities.entity.EntityMovement;
import net.aufdemrand.denizen.utilities.entity.Rotation;
import net.aufdemrand.denizen.utilities.nbt.CustomNBT;
import net.aufdemrand.denizencore.objects.*;
import net.aufdemrand.denizencore.objects.properties.Property;
import net.aufdemrand.denizencore.objects.properties.PropertyParser;
import net.aufdemrand.denizencore.scripts.ScriptRegistry;
import net.aufdemrand.denizencore.tags.Attribute;
import net.aufdemrand.denizencore.tags.TagContext;
import net.aufdemrand.denizencore.utilities.CoreUtilities;
import net.citizensnpcs.api.CitizensAPI;
import net.minecraft.server.v1_8_R2.*;
import org.bukkit.*;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.BlockFace;
import org.bukkit.craftbukkit.v1_8_R2.CraftWorld;
import org.bukkit.craftbukkit.v1_8_R2.entity.CraftAnimals;
import org.bukkit.craftbukkit.v1_8_R2.entity.CraftCreature;
import org.bukkit.craftbukkit.v1_8_R2.entity.CraftLivingEntity;
import org.bukkit.craftbukkit.v1_8_R2.entity.CraftPlayer;
import org.bukkit.entity.*;
import org.bukkit.entity.Entity;
import org.bukkit.event.entity.EntityTargetEvent;
import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.bukkit.util.Vector;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class dEntity implements dObject, Adjustable {
/////////////////////
// STATIC METHODS
/////////////////
public static boolean isNPC(Entity entity) {
return entity != null && entity.hasMetadata("NPC") && entity.getMetadata("NPC").get(0).asBoolean();
}
public static boolean isCitizensNPC(Entity entity) {
return entity != null && Depends.citizens != null && CitizensAPI.getNPCRegistry().isNPC(entity);
}
public static dNPC getNPCFrom(Entity entity) {
if (isCitizensNPC(entity))
return dNPC.fromEntity(entity);
else
return null;
}
public static boolean isPlayer(Entity entity) {
return entity != null && entity instanceof Player && !isNPC(entity);
}
public static dPlayer getPlayerFrom(Entity entity) {
if (isPlayer(entity))
return dPlayer.mirrorBukkitPlayer((Player) entity);
else
return null;
}
//////////////////
// OBJECT FETCHER
////////////////
public static dEntity valueOf(String string) {
return valueOf(string, null);
}
/**
* Gets a dEntity Object from a string form. </br>
* </br>
* Unique dEntities: </br>
* n@13 will return the entity object of NPC 13 </br>
* e@5884 will return the entity object for the entity with the entityid of 5884 </br>
* e@jimmys_pet will return the saved entity object for the id 'jimmys pet' </br>
* p@aufdemrand will return the entity object for aufdemrand </br>
* </br>
* New dEntities: </br>
* zombie will return an unspawned Zombie dEntity </br>
* super_creeper will return an unspawned custom 'Super_Creeper' dEntity </br>
*
* @param string the string or dScript argument String
* @return a dEntity, or null
*/
@Fetchable("e")
public static dEntity valueOf(String string, TagContext context) {
if (string == null) return null;
Matcher m;
///////
// Handle objects with properties through the object fetcher
m = ObjectFetcher.DESCRIBED_PATTERN.matcher(string);
if (m.matches()) {
return ObjectFetcher.getObjectFrom(dEntity.class, string);
}
// Choose a random entity type if "RANDOM" is used
if (string.equalsIgnoreCase("RANDOM")) {
EntityType randomType = null;
// When selecting a random entity type, ignore invalid or inappropriate ones
while (randomType == null ||
randomType.name().matches("^(COMPLEX_PART|DROPPED_ITEM|ENDER_CRYSTAL" +
"|ENDER_DRAGON|FISHING_HOOK|ITEM_FRAME|LEASH_HITCH|LIGHTNING" +
"|PAINTING|PLAYER|UNKNOWN|WEATHER|WITHER|WITHER_SKULL)$")) {
randomType = EntityType.values()[CoreUtilities.getRandom().nextInt(EntityType.values().length)];
}
return new dEntity(DenizenEntityType.getByName(randomType.name()), "RANDOM");
}
///////
// Match @object format
// Make sure string matches what this interpreter can accept.
m = entity_by_id.matcher(string);
if (m.matches()) {
String entityGroup = m.group(1).toUpperCase();
// NPC entity
if (entityGroup.matches("N@")) {
dNPC npc = dNPC.valueOf(string);
if (npc != null)
return new dEntity(npc);
else dB.echoError("NPC '" + string
+ "' does not exist!");
}
// Player entity
else if (entityGroup.matches("P@")) {
LivingEntity returnable = dPlayer.valueOf(m.group(2)).getPlayerEntity();
if (returnable != null) return new dEntity(returnable);
else dB.echoError("Invalid Player! '" + m.group(2)
+ "' could not be found. Has the player logged off?");
}
// Assume entity
else {
try {
UUID entityID = UUID.fromString(m.group(2));
Entity entity = getEntityForID(entityID);
if (entity != null) return new dEntity(entity);
return null;
}
catch (Exception ex) {
ex.getCause(); // DO NOTHING
}
// else if (isSaved(m.group(2)))
// return getSaved(m.group(2));
}
}
string = string.replace("e@", "");
////////
// Match Custom Entity
if (ScriptRegistry.containsScript(string, EntityScriptContainer.class)) {
// Construct a new custom unspawned entity from script
return ScriptRegistry.getScriptContainerAs(string, EntityScriptContainer.class).getEntityFrom();
}
////////
// Match Entity_Type
m = entity_with_data.matcher(string);
if (m.matches()) {
String data1 = null;
String data2 = null;
if (m.group(2) != null) {
data1 = m.group(2);
}
if (m.group(3) != null) {
data2 = m.group(3);
}
// Handle custom DenizenEntityTypes
if (DenizenEntityType.isRegistered(m.group(1))) {
return new dEntity(DenizenEntityType.getByName(m.group(1)), data1, data2);
}
}
dB.log("valueOf dEntity returning null: " + string);
return null;
}
@Deprecated
public static Entity getEntityForID(UUID ID) {
for (World world : Bukkit.getWorlds()) {
net.minecraft.server.v1_8_R2.Entity nmsEntity = ((CraftWorld) world).getHandle().getEntity(ID);
// Make sure the nmsEntity is valid, to prevent unpleasant errors
if (nmsEntity != null) {
return nmsEntity.getBukkitEntity();
}
}
return null;
}
final static Pattern entity_by_id = Pattern.compile("(n@|e@|p@)(.+)",
Pattern.CASE_INSENSITIVE);
final static Pattern entity_with_data = Pattern.compile("(\\w+),?(\\w+)?,?(\\w+)?",
Pattern.CASE_INSENSITIVE);
public static boolean matches(String arg) {
// Accept anything that starts with a valid entity object identifier.
Matcher m;
m = entity_by_id.matcher(arg);
if (m.matches()) return true;
// No longer picky about e@.. let's remove it from the arg
arg = arg.replace("e@", "").toUpperCase();
// Allow 'random'
if (arg.equals("RANDOM"))
return true;
// Allow any entity script
if (ScriptRegistry.containsScript(arg, EntityScriptContainer.class))
return true;
// Use regex to make some matcher groups
m = entity_with_data.matcher(arg);
if (m.matches()) {
// Check first word with a valid entity_type (other groups are datas used in constructors)
if (DenizenEntityType.isRegistered(m.group(1)))
return true;
}
// No luck otherwise!
return false;
}
/////////////////////
// CONSTRUCTORS
//////////////////
public dEntity(Entity entity) {
if (entity != null) {
this.entity = entity;
entityScript = EntityScriptHelper.getEntityScript(entity);
this.uuid = entity.getUniqueId();
this.entity_type = DenizenEntityType.getByEntity(entity);
if (isCitizensNPC(entity)) {
this.npc = getNPCFrom(entity);
}
} else dB.echoError("Entity referenced is null!");
}
@Deprecated
public dEntity(EntityType entityType) {
if (entityType != null) {
this.entity = null;
this.entity_type = DenizenEntityType.getByName(entityType.name());
} else dB.echoError("Entity_type referenced is null!");
}
@Deprecated
public dEntity(EntityType entityType, ArrayList<Mechanism> mechanisms) {
this(entityType);
this.mechanisms = mechanisms;
}
@Deprecated
public dEntity(EntityType entityType, String data1) {
if (entityType != null) {
this.entity = null;
this.entity_type = DenizenEntityType.getByName(entityType.name());
this.data1 = data1;
} else dB.echoError("Entity_type referenced is null!");
}
@Deprecated
public dEntity(EntityType entityType, String data1, String data2) {
if (entityType != null) {
this.entity = null;
this.entity_type = DenizenEntityType.getByName(entityType.name());
this.data1 = data1;
this.data2 = data2;
} else dB.echoError("Entity_type referenced is null!");
}
public dEntity(DenizenEntityType entityType) {
if (entityType != null) {
this.entity = null;
this.entity_type = entityType;
} else dB.echoError("DenizenEntityType referenced is null!");
}
public dEntity(DenizenEntityType entityType, ArrayList<Mechanism> mechanisms) {
this(entityType);
this.mechanisms = mechanisms;
}
public dEntity(DenizenEntityType entityType, String data1) {
if (entityType != null) {
this.entity = null;
this.entity_type = entityType;
this.data1 = data1;
}
else dB.echoError("DenizenEntityType referenced is null!");
}
public dEntity(DenizenEntityType entityType, String data1, String data2) {
if (entityType != null) {
this.entity = null;
this.entity_type = entityType;
this.data1 = data1;
this.data2 = data2;
} else dB.echoError("DenizenEntityType referenced is null!");
}
public dEntity(dNPC npc) {
if (Depends.citizens == null) {
return;
}
if (npc != null) {
this.npc = npc;
if (npc.isSpawned()) {
this.entity = npc.getEntity();
this.entity_type = DenizenEntityType.getByName(npc.getEntityType().name());
this.uuid = entity.getUniqueId();
}
} else dB.echoError("NPC referenced is null!");
}
/////////////////////
// INSTANCE FIELDS/METHODS
/////////////////
private Entity entity = null;
private DenizenEntityType entity_type = null;
private String data1 = null;
private String data2 = null;
private DespawnedEntity despawned_entity = null;
private dNPC npc = null;
private UUID uuid = null;
private String entityScript = null;
public DenizenEntityType getEntityType() {
return entity_type;
}
public EntityType getBukkitEntityType() {
return entity_type.getBukkitEntityType();
}
public void setEntityScript(String entityScript) {
this.entityScript = entityScript;
}
public String getEntityScript() {
return entityScript;
}
/**
* Returns the unique UUID of this entity
*
* @return The UUID
*/
public UUID getUUID() {
return uuid;
}
/**
* Get the dObject that most accurately describes this entity,
* useful for automatically saving dEntities to contexts as
* dNPCs and dPlayers
*
* @return The dObject
*/
public dObject getDenizenObject() {
if (entity == null) return null;
if (isCitizensNPC())
return getDenizenNPC();
else if (isPlayer())
return new dPlayer(getPlayer());
else
return this;
}
/**
* Get the Bukkit entity corresponding to this dEntity
*
* @return the underlying Bukkit entity
*/
public Entity getBukkitEntity() {
return entity;
}
/**
* Get the living entity corresponding to this dEntity
*
* @return The living entity
*/
public LivingEntity getLivingEntity() {
if (entity instanceof LivingEntity)
return (LivingEntity) entity;
else return null;
}
/**
* Check whether this dEntity is a living entity
*
* @return true or false
*/
public boolean isLivingEntity() {
return (entity instanceof LivingEntity);
}
public boolean hasInventory() { return getBukkitEntity() instanceof InventoryHolder || isCitizensNPC(); }
/**
* Get the dNPC corresponding to this dEntity
*
* @return The dNPC
*/
public dNPC getDenizenNPC() {
if (npc != null)
return npc;
else
return getNPCFrom(entity);
}
/**
* Check whether this dEntity is an NPC
*
* @return true or false
*/
public boolean isNPC() {
return npc != null || isNPC(entity);
}
public boolean isCitizensNPC() {
return npc != null || isCitizensNPC(entity);
}
/**
* Get the Player corresponding to this dEntity
*
* @return The Player
*/
public Player getPlayer() {
if (isPlayer())
return (Player) entity;
else
return null;
}
/**
* Get the dPlayer corresponding to this dEntity
*
* @return The dPlayer
*/
public dPlayer getDenizenPlayer() {
if (isPlayer())
return new dPlayer(getPlayer());
else
return null;
}
/**
* Check whether this dEntity is a Player
*
* @return true or false
*/
public boolean isPlayer() {
return entity instanceof Player && !isNPC();
}
/**
* Get this dEntity as a Projectile
*
* @return The Projectile
*/
public Projectile getProjectile() {
return (Projectile) entity;
}
/**
* Check whether this dEntity is a Projectile
*
* @return true or false
*/
public boolean isProjectile() {
return entity instanceof Projectile;
}
/**
* Get this Projectile entity's shooter
*
* @return A dEntity of the shooter
*/
public dEntity getShooter() {
if (hasShooter())
return new dEntity((LivingEntity) getProjectile().getShooter());
else
return null;
}
/**
* Set this Projectile entity's shooter
*
*/
public void setShooter(dEntity shooter) {
if (isProjectile() && shooter.isLivingEntity())
getProjectile().setShooter(shooter.getLivingEntity());
}
/**
* Check whether this entity has a shooter.
*
* @return true or false
*/
public boolean hasShooter() {
return isProjectile() && getProjectile().getShooter() != null && getProjectile().getShooter() instanceof LivingEntity;
// TODO: Handle other shooter source thingy types
}
public Inventory getBukkitInventory() {
if (hasInventory()) {
if (!isCitizensNPC())
return ((InventoryHolder) getBukkitEntity()).getInventory();
}
return null;
}
/**
* Returns this entity's dInventory.
*
* @return the entity's dInventory
*/
public dInventory getInventory() {
return hasInventory() ? isCitizensNPC() ? getDenizenNPC().getDenizenInventory()
: new dInventory(getBukkitInventory()) : null;
}
public String getName() {
if (isCitizensNPC())
return getDenizenNPC().getCitizen().getName();
if (entity instanceof Player)
return ((Player) entity).getName();
if (isLivingEntity()) {
String customName = getLivingEntity().getCustomName();
if (customName != null)
return customName;
}
return entity_type.getName();
}
/**
* Returns this entity's equipment
*
* @return the entity's equipment
*/
public dList getEquipment() {
if (isCitizensNPC() || isPlayer()) {
return getInventory().getEquipment(); // TODO: Is this part needed?
}
ItemStack[] equipment = getLivingEntity().getEquipment().getArmorContents();
dList equipmentList = new dList();
for (ItemStack item : equipment) {
equipmentList.add(new dItem(item).identify());
}
return equipmentList;
}
/**
* Whether this entity identifies as a generic
* entity type, for instance "e@cow", instead of
* a spawned entity
*
* @return true or false
*/
public boolean isGeneric() {
return !isUnique();
}
/**
* Get the location of this entity
*
* @return The Location
*/
public dLocation getLocation() {
if (isUnique() && entity != null) {
return new dLocation(entity.getLocation());
}
return null;
}
/**
* Get the eye location of this entity
*
* @return The location
*/
public dLocation getEyeLocation() {
if (isPlayer()) {
return new dLocation(getPlayer().getEyeLocation());
}
else if (!isGeneric() && isLivingEntity()) {
return new dLocation(getLivingEntity().getEyeLocation());
}
else if (!isGeneric()) {
return new dLocation(getBukkitEntity().getLocation());
}
return null;
}
/**
* Gets the velocity of this entity
*
* @return The velocity's vector
*/
public Vector getVelocity() {
if (!isGeneric()) {
return entity.getVelocity();
}
return null;
}
/**
* Sets the velocity of this entity
*
*/
public void setVelocity(Vector vector) {
if (!isGeneric()) {
if (entity instanceof WitherSkull) {
((WitherSkull) entity).setDirection(vector);
}
else {
entity.setVelocity(vector);
}
}
}
/**
* Gets the world of this entity
*
* @return The entity's world
*/
public World getWorld() {
if (!isGeneric()) {
return entity.getWorld();
}
return null;
}
public void spawnAt(Location location) {
// If the entity is already spawned, teleport it.
if (isCitizensNPC()) {
if (getDenizenNPC().getCitizen().isSpawned())
getDenizenNPC().getCitizen().teleport(location, TeleportCause.PLUGIN);
else {
getDenizenNPC().getCitizen().spawn(location);
entity = getDenizenNPC().getCitizen().getEntity();
uuid = getDenizenNPC().getCitizen().getEntity().getUniqueId();
}
}
else if (entity != null && isUnique()) entity.teleport(location);
else {
if (entity_type != null) {
if (despawned_entity != null) {
// If entity had a custom_script, use the script to rebuild the base entity.
if (despawned_entity.custom_script != null) {
// TODO: Build entity from custom script
}
// Else, use the entity_type specified/remembered
else
entity = entity_type.spawnNewEntity(location, mechanisms);
getLivingEntity().teleport(location);
getLivingEntity().getEquipment().setArmorContents(despawned_entity.equipment);
getLivingEntity().setHealth(despawned_entity.health);
despawned_entity = null;
}
else {
org.bukkit.entity.Entity ent = null;
if (entity_type.getName().equals("PLAYER")) {
if (Depends.citizens == null) {
dB.echoError("Cannot spawn entity of type PLAYER!");
return;
}
else {
dNPC npc = new dNPC(net.citizensnpcs.api.CitizensAPI.getNPCRegistry().createNPC(EntityType.PLAYER, data1));
npc.getCitizen().spawn(location);
entity = npc.getEntity();
uuid = entity.getUniqueId();
}
}
else if (entity_type.getName().equals("FALLING_BLOCK")) {
Material material = null;
if (data1 != null && dMaterial.matches(data1)) {
material = dMaterial.valueOf(data1).getMaterial();
// If we did not get a block with "RANDOM", or we got
// air or portals, keep trying
while (data1.equalsIgnoreCase("RANDOM") &&
((!material.isBlock()) ||
material == Material.AIR ||
material == Material.PORTAL ||
material == Material.ENDER_PORTAL)) {
material = dMaterial.valueOf(data1).getMaterial();
}
}
// If material is null or not a block, default to SAND
if (material == null || (!material.isBlock())) {
material = Material.SAND;
}
byte materialData = 0;
// Get special data value from data2 if it is a valid integer
if (data2 != null && aH.matchesInteger(data2)) {
materialData = (byte) aH.getIntegerFrom(data2);
}
// This is currently the only way to spawn a falling block
ent = location.getWorld().spawnFallingBlock(location, material, materialData);
entity = ent;
uuid = entity.getUniqueId();
}
else {
ent = entity_type.spawnNewEntity(location, mechanisms);
entity = ent;
if (entity == null) {
return;
}
uuid = entity.getUniqueId();
if (entityScript != null)
EntityScriptHelper.setEntityScript(entity, entityScript);
if (entity_type.getName().equals("PIG_ZOMBIE")) {
// Give pig zombies golden swords by default, unless data2 specifies
// a different weapon
if (!dItem.matches(data1)) {
data1 = "gold_sword";
}
((PigZombie) entity).getEquipment()
.setItemInHand(dItem.valueOf(data1).getItemStack());
}
else if (entity_type.getName().equals("SKELETON")) {
// Give skeletons bows by default, unless data2 specifies
// a different weapon
if (!dItem.matches(data2)) {
data2 = "bow";
}
((Skeleton) entity).getEquipment()
.setItemInHand(dItem.valueOf(data2).getItemStack());
}
// If there is some special subtype data associated with this dEntity,
// use the setSubtype method to set it in a clean, object-oriented
// way that uses reflection
//
// Otherwise, just use entity-specific methods manually
if (data1 != null) {
// TODO: Discourage usage of + delete the below (Use properties instead!)
// TODO: Remove in 1.0
try {
// Allow creepers to be powered - replaced by EntityPowered
if (ent instanceof Creeper && data1.equalsIgnoreCase("POWERED")) {
((Creeper) entity).setPowered(true);
}
// Allow setting of blocks held by endermen - replaced by EntityItem
else if (ent instanceof Enderman && dMaterial.matches(data1)) {
((Enderman) entity).setCarriedMaterial(dMaterial.valueOf(data1).getMaterialData());
}
// Allow setting of horse variants and colors - replaced by EntityColor
else if (ent instanceof Horse) {
setSubtype("org.bukkit.entity.Horse", "org.bukkit.entity.Horse$Variant", "setVariant", data1);
if (data2 != null) {
setSubtype("org.bukkit.entity.Horse", "org.bukkit.entity.Horse$Color", "setColor", data2);
}
}
// Allow setting of ocelot types - replaced by EntityColor
else if (ent instanceof Ocelot) {
setSubtype("org.bukkit.entity.Ocelot", "org.bukkit.entity.Ocelot$Type", "setCatType", data1);
}
// Allow setting of sheep colors - replaced by EntityColor
else if (ent instanceof Sheep) {
setSubtype("org.bukkit.entity.Sheep", "org.bukkit.DyeColor", "setColor", data1);
}
// Allow setting of skeleton types - replaced by EntitySkeleton
else if (ent instanceof Skeleton) {
setSubtype("org.bukkit.entity.Skeleton", "org.bukkit.entity.Skeleton$SkeletonType", "setSkeletonType", data1);
}
// Allow setting of slime sizes - replaced by EntitySize
else if (ent instanceof Slime && aH.matchesInteger(data1)) {
((Slime) entity).setSize(aH.getIntegerFrom(data1));
}
// Allow setting of villager professions - replaced by EntityProfession
else if (ent instanceof Villager) {
setSubtype("org.bukkit.entity.Villager", "org.bukkit.entity.Villager$Profession", "setProfession", data1);
}
} catch (Exception e) {
dB.echoError("Error setting custom entity data.");
dB.echoError(e);
}
}
}
}
}
else dB.echoError("Cannot spawn a null dEntity!");
if (!isUnique()) {
dB.echoError("Error spawning entity - bad entity type, blocked by another plugin, or tried to spawn in an unloaded chunk?");
return;
}
for (Mechanism mechanism: mechanisms) {
adjust(mechanism);
}
mechanisms.clear();
}
}
public void despawn() {
despawned_entity = new DespawnedEntity(this);
getLivingEntity().remove();
}
public void respawn() {
if (despawned_entity != null)
spawnAt(despawned_entity.location);
else if (entity == null)
dB.echoError("Cannot respawn a null dEntity!");
}
public boolean isSpawned() {
return entity != null && isValid();
}
public boolean isValid() {
return entity != null && entity.isValid();
}
public void remove() {
EntityScriptHelper.unlinkEntity(entity);
entity.remove();
}
public void teleport(Location location) {
if (isCitizensNPC())
getDenizenNPC().getCitizen().teleport(location, TeleportCause.PLUGIN);
else
entity.teleport(location);
}
/**
* Make this entity target another living entity, attempting both
* old entity AI and new entity AI targeting methods
*
* @param target The LivingEntity target
*/
public void target(LivingEntity target) {
if (!isSpawned() || !(entity instanceof Creature)) {
dB.echoError(identify() + " is not a valid creature entity!");
return;
}
// If the target is not null, cast it to an NMS EntityLiving
// as well for one of the two methods below
EntityLiving nmsTarget = target != null ? ((CraftLivingEntity) target).getHandle()
: null;
((CraftCreature) entity).getHandle().
setGoalTarget(nmsTarget, EntityTargetEvent.TargetReason.CUSTOM, true);
((CraftCreature) entity).setTarget(target);
}
/**
* Set the subtype of this entity by using the chosen method and Enum from
* this Bukkit entity's class and:
* 1) using a random subtype if value is "RANDOM"
* 2) looping through the entity's subtypes until one matches the value string
*
* Example: setSubtype("org.bukkit.entity.Ocelot", "org.bukkit.entity.Ocelot$Type", "setCatType", "SIAMESE_CAT");
*
* @param entityName The name of the entity's class.
* @param typeName The name of the entity class' Enum with subtypes.
* @param method The name of the method used to set the subtype of this entity.
* @param value The value of the subtype.
*/
public void setSubtype (String entityName, String typeName, String method, String value)
throws Exception {
Class<?> entityClass = Class.forName(entityName);