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InvisibleTrait.java
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InvisibleTrait.java
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package com.denizenscript.denizen.npc.traits;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.persistence.Persist;
import net.citizensnpcs.api.trait.Trait;
import net.citizensnpcs.trait.ArmorStandTrait;
import net.citizensnpcs.trait.Toggleable;
import net.citizensnpcs.util.NMS;
import org.bukkit.entity.ArmorStand;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.LivingEntity;
import org.bukkit.event.Listener;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
public class InvisibleTrait extends Trait implements Listener, Toggleable {
// <--[language]
// @name Invisible Trait
// @group NPC Traits
// @description
// The invisible trait will allow a NPC to remain invisible, even after a server restart. It permanently applies
// the invisible potion effect. Use '/trait invisible' or the 'invisible' script command to toggle this trait.
//
// Note that player-type NPCs must have '/npc playerlist' toggled to be turned invisible.
// Once invisible, the player-type NPCs can be taken off the playerlist.
// This only applies specifically to player-type NPCs.
// Playerlist will be enabled automatically if not set in advance, but not automatically removed.
// -->
@Persist("")
private boolean invisible = true;
private static PotionEffect invis = new PotionEffect(PotionEffectType.INVISIBILITY, Integer.MAX_VALUE, 1, false, false);
public InvisibleTrait() {
super("invisible");
}
public void setInvisible(boolean invisible) {
this.invisible = invisible;
if (npc.isSpawned() && npc.getEntity() instanceof LivingEntity) {
setInvisible((LivingEntity) npc.getEntity(), npc, invisible);
}
}
public static void setInvisible(LivingEntity ent, NPC npc, boolean invisible) {
if (invisible) {
setInvisible(ent, npc);
}
else {
setVisible(ent, npc);
}
}
public static void setVisible(LivingEntity ent, NPC npc) {
if (ent.hasPotionEffect(PotionEffectType.INVISIBILITY)) {
ent.removePotionEffect(PotionEffectType.INVISIBILITY);
}
if (ent.getType() == EntityType.ARMOR_STAND) {
((ArmorStand) ent).setVisible(true);
if (npc != null) {
npc.getOrAddTrait(ArmorStandTrait.class).setVisible(true);
}
}
}
public static void setInvisible(LivingEntity ent, NPC npc) {
// Apply NPC Playerlist if necessary
if (npc != null && ent.getType() == EntityType.PLAYER) {
npc.data().setPersistent("removefromplayerlist", false);
NMS.addOrRemoveFromPlayerList(ent, false);
}
if (ent.getType() == EntityType.ARMOR_STAND) {
((ArmorStand) ent).setVisible(false);
if (npc != null) {
npc.getOrAddTrait(ArmorStandTrait.class).setVisible(false);
}
}
else {
invis.apply(ent);
}
}
private void setInvisible() {
if (npc.isSpawned() && npc.getEntity() instanceof LivingEntity) {
setInvisible((LivingEntity) npc.getEntity(), npc);
}
}
public boolean isInvisible() {
return invisible;
}
@Override
public void onSpawn() {
if (invisible) {
setInvisible();
}
}
@Override
public boolean toggle() {
setInvisible(!invisible);
return invisible;
}
@Override
public void onRemove() {
setInvisible(false);
}
@Override
public void onAttach() {
setInvisible(invisible);
}
}