/
EntitySpawnScriptEvent.java
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/
EntitySpawnScriptEvent.java
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package com.denizenscript.denizen.events.entity;
import com.denizenscript.denizen.objects.EntityTag;
import com.denizenscript.denizen.objects.LocationTag;
import com.denizenscript.denizen.utilities.implementation.BukkitScriptEntryData;
import com.denizenscript.denizen.events.BukkitScriptEvent;
import com.denizenscript.denizencore.objects.core.ElementTag;
import com.denizenscript.denizencore.objects.ObjectTag;
import com.denizenscript.denizencore.scripts.ScriptEntryData;
import org.bukkit.entity.Entity;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.CreatureSpawnEvent;
import org.bukkit.event.entity.EntitySpawnEvent;
import org.bukkit.event.entity.SpawnerSpawnEvent;
public class EntitySpawnScriptEvent extends BukkitScriptEvent implements Listener {
// <--[event]
// @Events
// entity spawns
// entity spawns (because <cause>)
// <entity> spawns
// <entity> spawns (because <cause>)
//
// @Regex ^on [^\s]+ spawns( because [^\s]+)?$
//
// @Group Entity
//
// @Location true
//
// @Cancellable true
//
// @Warning This event may fire very rapidly.
//
// @Triggers when an entity spawns.
//
// @Context
// <context.entity> returns the EntityTag that spawned.
// <context.location> returns the location the entity will spawn at.
// <context.reason> returns the reason the entity spawned, can be ENTITY_SPAWN or any of: <@link url https://hub.spigotmc.org/javadocs/spigot/org/bukkit/event/entity/CreatureSpawnEvent.SpawnReason.html>
// <context.spawner_location> returns the location of the mob spawner, when reason is SPAWNER.
//
// -->
public EntitySpawnScriptEvent() {
instance = this;
}
public static EntitySpawnScriptEvent instance;
public EntityTag entity;
public LocationTag location;
public ElementTag reason;
public EntitySpawnEvent event;
@Override
public boolean couldMatch(ScriptPath path) {
if (!path.eventArgLowerAt(1).equals("spawns")) {
return false;
}
if (path.eventLower.startsWith("item") || path.eventLower.startsWith("spawner") || path.eventLower.startsWith("npc")) {
return false;
}
if (!couldMatchEntity(path.eventArgLowerAt(0))) {
return false;
}
return true;
}
@Override
public boolean matches(ScriptPath path) {
if (!tryEntity(entity, path.eventArgLowerAt(0))) {
return false;
}
if (path.eventArgLowerAt(2).equals("because")
&& !runGenericCheck(path.eventArgLowerAt(3), reason.toString())) {
return false;
}
if (!runInCheck(path, location)) {
return false;
}
return super.matches(path);
}
@Override
public String getName() {
return "EntitySpawn";
}
@Override
public ScriptEntryData getScriptEntryData() {
return new BukkitScriptEntryData(entity);
}
@Override
public ObjectTag getContext(String name) {
if (name.equals("entity")) {
return entity;
}
else if (name.equals("location")) {
return location;
}
else if (name.equals("reason")) {
return reason;
}
else if (name.equals("spawner_location") && event instanceof SpawnerSpawnEvent) {
return new LocationTag(((SpawnerSpawnEvent) event).getSpawner().getLocation());
}
return super.getContext(name);
}
@EventHandler
public void onEntitySpawn(EntitySpawnEvent event) {
Entity entity = event.getEntity();
this.entity = new EntityTag(entity);
location = new LocationTag(event.getLocation());
if (event instanceof CreatureSpawnEvent) {
CreatureSpawnEvent.SpawnReason creatureReason = ((CreatureSpawnEvent) event).getSpawnReason();
if (creatureReason == CreatureSpawnEvent.SpawnReason.SPAWNER) {
return; // Let the SpawnerSpawnEvent happen and handle it instead
}
reason = new ElementTag(creatureReason.name());
}
else if (event instanceof SpawnerSpawnEvent) {
reason = new ElementTag("SPAWNER");
}
else {
reason = new ElementTag("ENTITY_SPAWN");
}
this.event = event;
EntityTag.rememberEntity(entity);
fire(event);
EntityTag.forgetEntity(entity);
}
}