diff --git a/src/main/java/ch/njol/skript/conditions/CondIsPathfinding.java b/src/main/java/ch/njol/skript/conditions/CondIsPathfinding.java new file mode 100644 index 00000000000..3fb40549421 --- /dev/null +++ b/src/main/java/ch/njol/skript/conditions/CondIsPathfinding.java @@ -0,0 +1,105 @@ +/** + * This file is part of Skript. + * + * Skript is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Skript is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Skript. If not, see . + * + * Copyright Peter Güttinger, SkriptLang team and contributors + */ +package ch.njol.skript.conditions; + +import ch.njol.skript.Skript; +import ch.njol.skript.conditions.base.PropertyCondition; +import ch.njol.skript.conditions.base.PropertyCondition.PropertyType; +import ch.njol.skript.doc.Description; +import ch.njol.skript.doc.Examples; +import ch.njol.skript.doc.Name; +import ch.njol.skript.doc.RequiredPlugins; +import ch.njol.skript.doc.Since; +import ch.njol.skript.lang.Condition; +import ch.njol.skript.lang.Expression; +import ch.njol.skript.lang.SkriptParser.ParseResult; +import ch.njol.util.Kleenean; + +import com.destroystokyo.paper.entity.Pathfinder; +import com.destroystokyo.paper.entity.Pathfinder.PathResult; + +import org.bukkit.Location; +import org.bukkit.entity.LivingEntity; +import org.bukkit.entity.Mob; +import org.bukkit.event.Event; +import org.eclipse.jdt.annotation.Nullable; + +@Name("Is Pathfinding") +@Description({ + "Checks whether living entities are pathfinding.", + "Can only be a living entity that is a Mob." +}) +@Examples({ + "make {_entity} pathfind to {_location} at speed 2", + "while {_entity} is pathfinding", + "\twait a second", + "launch flickering trailing burst firework colored red at location of {_entity}", + "subtract 10 from {defence::tower::health}", + "clear entity within {_entity}" +}) +@RequiredPlugins("Paper") +@Since("INSERT VERSION") +public class CondIsPathfinding extends Condition { + + static { + if (Skript.classExists("org.bukkit.entity.Mob") && Skript.methodExists(Mob.class, "getPathfinder")) + PropertyCondition.register(CondIsPathfinding.class, "pathfinding [to[wards] %-livingentity/location%]", "livingentities"); + } + + private Expression entities; + private Expression target; + + @Override + @SuppressWarnings("unchecked") + public boolean init(Expression[] expressions, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) { + entities = (Expression) expressions[0]; + target = expressions[1]; + setNegated(matchedPattern == 1); + return true; + } + + @Override + public boolean check(Event event) { + return entities.check(event, entity -> { + if (!(entity instanceof Mob)) + return false; + Pathfinder pathfind = ((Mob) entity).getPathfinder(); + if (target == null) + return pathfind.hasPath(); + + PathResult current = pathfind.getCurrentPath(); + Object target = this.target.getSingle(event); + if (target == null || current == null) + return false; + Location location = current.getFinalPoint(); + if (target instanceof Location) + return location.equals(target); + assert target instanceof LivingEntity; + LivingEntity entityTarget = (LivingEntity) target; + return location.distance(((Mob) entityTarget).getLocation()) < 1; + }, isNegated()); + } + + @Override + public String toString(@Nullable Event event, boolean debug) { + return PropertyCondition.toString(this, PropertyType.BE, event, debug, entities, "pathfinding" + + target == null ? "" : " to " + target.toString(event, debug)); + } + +}