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dEntity.java
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dEntity.java
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package net.aufdemrand.denizen.objects;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.aufdemrand.denizen.scripts.ScriptRegistry;
import net.aufdemrand.denizen.scripts.containers.core.EntityScriptContainer;
import net.aufdemrand.denizen.tags.Attribute;
import net.aufdemrand.denizen.utilities.Utilities;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.nbt.CustomNBT;
import net.citizensnpcs.api.CitizensAPI;
import net.citizensnpcs.api.npc.NPC;
import net.minecraft.server.v1_6_R2.EntityLiving;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.craftbukkit.v1_6_R2.CraftWorld;
import org.bukkit.craftbukkit.v1_6_R2.entity.CraftCreature;
import org.bukkit.craftbukkit.v1_6_R2.entity.CraftLivingEntity;
import org.bukkit.entity.Creeper;
import org.bukkit.entity.Enderman;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Horse;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Ocelot;
import org.bukkit.entity.PigZombie;
import org.bukkit.entity.Player;
import org.bukkit.entity.Projectile;
import org.bukkit.entity.Sheep;
import org.bukkit.entity.Skeleton;
import org.bukkit.entity.Slime;
import org.bukkit.entity.Tameable;
import org.bukkit.entity.Villager;
import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
import org.bukkit.inventory.ItemStack;
import org.bukkit.util.Vector;
public class dEntity implements dObject {
/////////////////////
// PATTERNS
/////////////////
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);
/////////////////////
// STATIC METHODS
/////////////////
public static Map<String, dEntity> uniqueObjects = new HashMap<String, dEntity>();
public static boolean isSaved(String id) {
return uniqueObjects.containsKey(id.toUpperCase());
}
public static boolean isSaved(dEntity entity) {
return uniqueObjects.containsValue(entity);
}
public static dEntity getSaved(String id) {
if (uniqueObjects.containsKey(id.toUpperCase()))
return uniqueObjects.get(id.toUpperCase());
else return null;
}
public static String getSaved(dEntity entity) {
for (Map.Entry<String, dEntity> i : uniqueObjects.entrySet())
if (i.getValue() == entity) return i.getKey();
return null;
}
public static void saveAs(dEntity entity, String id) {
if (entity == null) return;
uniqueObjects.put(id.toUpperCase(), entity);
}
public static void remove(String id) {
uniqueObjects.remove(id.toUpperCase());
}
//////////////////
// OBJECT FETCHER
////////////////
/**
* 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
*/
@ObjectFetcher("e")
public static dEntity valueOf(String string) {
if (string == null) return null;
// 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|LIGHTNING|PAINTING|PLAYER|UNKNOWN|WEATHER|WITHER|WITHER_SKULL)$")) {
randomType = EntityType.values()[Utilities.getRandom().nextInt(EntityType.values().length)];
}
return new dEntity(randomType, "RANDOM");
}
///////
// Match @object format
// Make sure string matches what this interpreter can accept.
Matcher m;
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 npc.getDenizenEntity();
}
else dB.echoError("NPC '" + string
+ "' does not exist!");
}
// Player entity
else if (entityGroup.matches("P@")) {
LivingEntity returnable = aH.getPlayerFrom(m.group(2)).getPlayerEntity();
if (returnable != null) return new dEntity(returnable);
else dB.echoError("Invalid Player! '" + entityGroup
+ "' could not be found. Has the player logged off?");
}
// Assume entity
else {
if (aH.matchesInteger(m.group(2))) {
int entityID = Integer.valueOf(m.group(2));
Entity entity = null;
for (World world : Bukkit.getWorlds()) {
net.minecraft.server.v1_6_R2.Entity nmsEntity = ((CraftWorld) world).getHandle().getEntity(entityID);
// Make sure the nmsEntity is valid, to prevent
// unpleasant errors
if (nmsEntity != null) {
entity = nmsEntity.getBukkitEntity();
}
else {
return null;
}
if (entity != null) break;
}
if (entity != null) return new dEntity(entity);
}
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(m.group(0), 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);
}
for (EntityType type : EntityType.values()) {
if (type.name().equalsIgnoreCase(m.group(1)))
// Construct a new 'vanilla' unspawned dEntity
return new dEntity(type, data1, data2);
}
}
dB.log("valueOf dEntity returning null: " + string);
return null;
}
public static boolean matches(String arg) {
Matcher m;
m = entity_by_id.matcher(arg);
if (m.matches()) return true;
arg = arg.replace("e@", "");
if (arg.equalsIgnoreCase("RANDOM"))
return true;
if (ScriptRegistry.containsScript(arg, EntityScriptContainer.class))
return true;
m = entity_with_data.matcher(arg);
if (m.matches()) {
for (EntityType type : EntityType.values())
if (type.name().equalsIgnoreCase(m.group(1))) return true;
}
return false;
}
/////////////////////
// CONSTRUCTORS
//////////////////
public dEntity(Entity entity) {
if (entity != null) {
this.entity = entity;
this.entity_type = entity.getType();
} else dB.echoError("Entity referenced is null!");
}
public dEntity(EntityType entityType) {
if (entityType != null) {
this.entity = null;
this.entity_type = entityType;
} else dB.echoError("Entity_type referenced is null!");
}
public dEntity(EntityType entityType, String data1) {
if (entityType != null) {
this.entity = null;
this.entity_type = entityType;
this.data1 = data1;
} else dB.echoError("Entity_type referenced is null!");
}
public dEntity(EntityType entityType, String data1, String data2) {
if (entityType != null) {
this.entity = null;
this.entity_type = entityType;
this.data1 = data1;
this.data2 = data2;
} else dB.echoError("Entity_type referenced is null!");
}
/////////////////////
// INSTANCE FIELDS/METHODS
/////////////////
private Entity entity = null;
private EntityType entity_type = null;
private String data1 = null;
private String data2 = null;
private DespawnedEntity despawned_entity = null;
public EntityType getEntityType() {
return entity_type;
}
/**
* 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 (isNPC()) return new dNPC(getNPC());
else if (isPlayer()) return new dPlayer(getPlayer());
else return this;
}
/**
* Get the Bukkit entity corresponding to this dEntity
*
* @return The NPC
*/
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);
}
/**
* Get the NPC corresponding to this dEntity
*
* @return The NPC
*/
public NPC getNPC() {
return CitizensAPI.getNPCRegistry().getNPC(entity);
}
/**
* Get the dNPC corresponding to this dEntity
*
* @return The dNPC
*/
public dNPC getDenizenNPC() {
return new dNPC(getNPC());
}
/**
* Check whether this dEntity is an NPC
*
* @return true or false
*/
public boolean isNPC() {
return CitizensAPI.getNPCRegistry().isNPC(entity);
}
/**
* Get the Player corresponding to this dEntity
*
* @return The Player
*/
public Player getPlayer() {
return (Player) entity;
}
/**
* Check whether this dEntity is a Player
*
* @return true or false
*/
public boolean isPlayer() {
return !isNPC() && entity instanceof Player;
}
/**
* 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(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;
}
/**
* 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 identify().matches("e@\\D+");
}
/**
* Get the location of this entity
*
* @return The Location
*/
public dLocation getLocation() {
if (!isGeneric()) {
return new dLocation(entity.getLocation());
}
return null;
}
/**
* Get the eye location of this entity
*
* @return The location
*/
public dLocation getEyeLocation() {
if (!isGeneric() && isLivingEntity()) {
return new dLocation(getLivingEntity().getEyeLocation());
}
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()) {
entity.setVelocity(vector);
}
}
public void spawnAt(Location location) {
// If the entity is already spawned, teleport it.
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 = location.getWorld().spawnEntity(location, entity_type);
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.name().matches("PLAYER")) {
NPC npc = CitizensAPI.getNPCRegistry().createNPC(EntityType.PLAYER, data1);
npc.spawn(location);
}
else if (entity_type.name().matches("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;
}
else {
ent = location.getWorld().spawnEntity(location, entity_type);
entity = ent;
if (entity_type.name().matches("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.name().matches("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) {
try {
// Allow creepers to be powered
if (ent instanceof Creeper && data1.equalsIgnoreCase("POWERED")) {
((Creeper) entity).setPowered(true);
}
// Allow setting of blocks held by endermen
else if (ent instanceof Enderman && dMaterial.matches(data1)) {
((Enderman) entity).setCarriedMaterial(dMaterial.valueOf(data1).getMaterialData());
}
// Allow setting of horse variants and colors
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$Color", "setColor", data2);
}
}
// Allow setting of ocelot types
else if (ent instanceof Ocelot) {
setSubtype("org.bukkit.entity.Ocelot", "org.bukkit.entity.Ocelot$Type", "setCatType", data1);
}
// Allow setting of sheep colors
else if (ent instanceof Sheep) {
setSubtype("org.bukkit.entity.Sheep", "org.bukkit.DyeColor", "setColor", data1);
}
// Allow setting of skeleton types
else if (ent instanceof Skeleton) {
setSubtype("org.bukkit.entity.Skeleton", "org.bukkit.entity.Skeleton$SkeletonType", "setSkeletonType", data1);
}
// Allow setting of slime sizes
else if (ent instanceof Slime && aH.matchesInteger(data1)) {
((Slime) entity).setSize(aH.getIntegerFrom(data1));
}
// Allow setting of villager professions
else if (ent instanceof Villager) {
setSubtype("org.bukkit.entity.Villager", "org.bukkit.entity.Villager$Profession", "setProfession", data1);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
else dB.echoError("Cannot spawn a null dEntity!");
}
}
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.echoDebug("Entity " + identify() + " is already spawned!");
else
dB.echoError("Cannot respawn a null dEntity!");
}
public boolean isSpawned() {
return entity != null;
}
public boolean isValid() {
return entity.isValid();
}
public void remove() {
entity.remove();
}
public dEntity rememberAs(String id) {
dEntity.saveAs(this, id);
return this;
}
public void teleport(Location location) {
if (isNPC())
getNPC().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 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);
((CraftCreature) entity).getHandle().
setGoalTarget(((CraftLivingEntity) target).getHandle());
((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);
Class<?> typeClass = Class.forName(typeName);
Object[] types = typeClass.getEnumConstants();
if (value.equalsIgnoreCase("RANDOM")) {
entityClass.getMethod(method, typeClass).invoke(entity, types[Utilities.getRandom().nextInt(types.length)]);
}
else {
for (Object type : types) {
if (type.toString().equalsIgnoreCase(value)) {
entityClass.getMethod(method, typeClass).invoke(entity, type);
break;
}
}
}
}
// Used to store some information about a livingEntity while it's despawned
private class DespawnedEntity {
Double health = null;
Location location = null;
ItemStack[] equipment = null;
String custom_script = null;
public DespawnedEntity(dEntity entity) {
if (entity != null) {
// Save some important info to rebuild the entity
health = entity.getLivingEntity().getHealth();
location = entity.getLivingEntity().getLocation();
equipment = entity.getLivingEntity().getEquipment().getArmorContents();
if (CustomNBT.hasCustomNBT(entity.getLivingEntity(), "denizen-script-id"))
custom_script = CustomNBT.getCustomNBT(entity.getLivingEntity(), "denizen-script-id");
}
}
}
//////////////////////////////
// DSCRIPT ARGUMENT METHODS
/////////////////////////
private String prefix = "Entity";
@Override
public String getObjectType() {
return "Entity";
}
@Override
public String getPrefix() {
return prefix;
}
@Override
public dEntity setPrefix(String prefix) {
this.prefix = prefix;
return this;
}
@Override
public String debug() {
return "<G>" + prefix + "='<Y>" + identify() + "<G>' ";
}
public int comparesTo(dEntity entity) {
// If provided is unique, and both are the same unique entity, return 1.
if (entity.isUnique() && entity.identify().equals(identify())) return 1;
// If provided isn't unique...
if (!entity.isUnique()) {
// Return 1 if this object isn't unique either, but matches
if (!isUnique() && entity.identify().equals(identify()))
return 1;
// Return 1 if the provided object isn't unique, but whose entity_type
// matches this object, even if this object is unique.
if (entity_type == entity.entity_type) return 1;
}
return 0;
}
@Override
public String identify() {
// Check if entity is a Player or NPC
if (entity != null) {
if (isNPC())
return "n@" + getNPC().getId();
else if (entity instanceof Player)
return "p@" + ((Player) entity).getName();
}
// Check if entity is a 'saved entity'
if (isSaved(this))
return "e@" + getSaved(this);
else if (isSpawned())
return "e@" + entity.getEntityId();
// Check if an entity_type is available
else if (entity_type != null)
return "e@" + entity_type.name();
return "null";
}
@Override
public String toString() {
return identify();
}
@Override
public boolean isUnique() {
return (isPlayer() || isNPC() || isSaved(this) || isSpawned());
}
@Override
public String getAttribute(Attribute attribute) {
if (attribute == null) return null;
if (entity == null) {
dB.echoDebug("dEntity has returned null.");
return "null";
}
/////////////////////
// DEBUG ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <e@entity.debug.log>
// @returns Element(Boolean)
// @description
// Debugs the entity in the log and returns true.
// -->
if (attribute.startsWith("debug.log")) {
dB.log(debug());
return new Element(Boolean.TRUE.toString())
.getAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <e@entity.debug.no_color>
// @returns Element
// @description
// Returns the entity's debug with no color.
// -->
if (attribute.startsWith("debug.no_color")) {
return new Element(ChatColor.stripColor(debug()))
.getAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <e@entity.debug>
// @returns Element
// @description
// Returns the entity's debug.
// -->
if (attribute.startsWith("debug")) {
return new Element(debug())
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <e@entity.prefix>
// @returns Element
// @description
// Returns the prefix of the entity.
// -->
if (attribute.startsWith("prefix"))
return new Element(prefix)
.getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <e@entity.type>
// @returns Element
// @description
// Returns 'Entity', the type of this dObject.
// -->
if (attribute.startsWith("type")) {
return new Element(getObjectType())
.getAttribute(attribute.fulfill(1));
}
/////////////////////
// IDENTIFICATION ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <e@entity.custom_id>
// @returns dScript/Element
// @description
// If the entity has a script ID, returns the dScript of that
// ID. Else, returns the name of the entity type.
// -->
if (attribute.startsWith("custom_id")) {
if (CustomNBT.hasCustomNBT(getLivingEntity(), "denizen-script-id"))
return new dScript(CustomNBT.getCustomNBT(getLivingEntity(), "denizen-script-id"))
.getAttribute(attribute.fulfill(1));
else
return new Element(entity.getType().name())
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <e@entity.custom_name>
// @returns Element
// @description
// If the entity has a custom name, returns the name as an
// Element. Else, returns null.
// -->