ClearEvent.java

/**
 * BetonQuest - advanced quests for Bukkit
 * Copyright (C) 2016  Jakub "Co0sh" Sapalski
 * 
 * This program 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.
 * 
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package pl.betoncraft.betonquest.events;

import java.util.Collection;
import java.util.List;

import org.bukkit.Location;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.LivingEntity;
import org.bukkit.metadata.MetadataValue;

import pl.betoncraft.betonquest.Instruction;
import pl.betoncraft.betonquest.InstructionParseException;
import pl.betoncraft.betonquest.QuestRuntimeException;
import pl.betoncraft.betonquest.VariableNumber;
import pl.betoncraft.betonquest.api.QuestEvent;
import pl.betoncraft.betonquest.utils.LocationData;
import pl.betoncraft.betonquest.utils.Utils;

/**
 * Clears all specified monsters in a certain location
 * 
 * @author Jakub Sapalski
 */
public class ClearEvent extends QuestEvent {

	private EntityType[] types;
	private LocationData loc;
	private VariableNumber range;
	private String name;
	private boolean kill;
	private String marked;

	public ClearEvent(Instruction instruction) throws InstructionParseException {
		super(instruction);
		staticness = true;
		String[] entities = instruction.getArray();
		types = new EntityType[entities.length];
		for (int i = 0; i < types.length; i++) {
			try {
				types[i] = EntityType.valueOf(entities[i].toUpperCase());
			} catch (IllegalArgumentException e) {
				throw new InstructionParseException("Entity type '" + entities[i] + "' does not exist");
			}
		}
		loc = instruction.getLocation();
		range = instruction.getVarNum();
		name = instruction.getOptional("name");
		kill = instruction.hasArgument("kill");
		marked = instruction.getOptional("marked");
		if (marked != null) {
			marked = Utils.addPackage(instruction.getPackage(), marked);
		}
	}

	@Override
	public void run(String playerID) throws QuestRuntimeException {
		Location location = loc.getLocation(playerID);
		Collection<Entity> entities = location.getWorld().getEntities();
		loop:
		for (Entity entity : entities) {
			if (!(entity instanceof LivingEntity)) {
				continue;
			}
			if (name != null && (entity.getCustomName() == null || !entity.getCustomName().equals(name))) {
				continue;
			}
			if (marked != null) {
				if (!entity.hasMetadata("betonquest-marked")) {
					continue;
				}
				List<MetadataValue> meta = entity.getMetadata("betonquest-marked");
				for (MetadataValue m : meta) {
					if (!m.asString().equals(marked)) {
						continue loop;
					}
				}
			}
			double r = range.getDouble(playerID);
			if (entity.getLocation().distanceSquared(location) < r * r) {
				EntityType entityType = entity.getType();
				for (EntityType allowedType : types) {
					if (entityType == allowedType) {
						if (kill) {
							LivingEntity living = (LivingEntity) entity;
							living.damage(living.getHealth() + 10);
						} else {
							entity.remove();
						}
						break;
					}
				}
			}
		}
	}

}