84 lines
2.4 KiB
Java
84 lines
2.4 KiB
Java
package net.citizensnpcs.trait.waypoint;
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import java.util.Map;
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import org.bukkit.Location;
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import org.bukkit.World;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.EntityType;
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import com.google.common.collect.Maps;
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import net.citizensnpcs.api.CitizensAPI;
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import net.citizensnpcs.api.event.SpawnReason;
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import net.citizensnpcs.api.npc.MemoryNPCDataStore;
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import net.citizensnpcs.api.npc.NPC;
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import net.citizensnpcs.api.npc.NPCRegistry;
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import net.citizensnpcs.npc.ai.NPCHolder;
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import net.citizensnpcs.util.Util;
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/**
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* A helper class for storing a number of entity markers. By default an entity marker is a non-persisted EnderSignal.
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*/
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public class EntityMarkers<T> {
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private final Map<T, Entity> markers = Maps.newHashMap();
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private final NPCRegistry registry = CitizensAPI.createCitizensBackedNPCRegistry(new MemoryNPCDataStore());
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private EntityType type;
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public EntityMarkers() {
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this(DEFAULT_ENTITY_TYPE);
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}
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public EntityMarkers(EntityType type) {
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this.type = type;
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}
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/**
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* Creates and persists (in memory) an {@link Entity} marker.
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*
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* @param marker
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* the storage marker
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* @param at
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* the spawn location
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* @return the created entity
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*/
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public Entity createMarker(T marker, Location at) {
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Entity entity = spawnMarker(at.getWorld(), at);
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if (entity == null)
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return null;
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markers.put(marker, entity);
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return entity;
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}
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public void destroyMarkers() {
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registry.deregisterAll();
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markers.clear();
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}
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public void removeMarker(T marker) {
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Entity entity = markers.remove(marker);
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if (entity != null) {
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((NPCHolder) entity).getNPC().destroy();
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}
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}
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/**
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* Spawns a marker {@link Entity} without storing it for later use.
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*
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* @param world
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* the world (unused currently)
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* @param at
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* the location
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* @return the spawned entity
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*/
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public Entity spawnMarker(World world, Location at) {
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NPC npc = registry.createNPC(type, "");
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npc.data().set(NPC.Metadata.NAMEPLATE_VISIBLE, false);
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npc.spawn(at.clone().add(0.5, 0, 0.5), SpawnReason.CREATE);
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return npc.getEntity();
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}
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private static final EntityType DEFAULT_ENTITY_TYPE = Util.getFallbackEntityType("SHULKER_BULLET", "ENDER_SIGNAL");
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} |