TameObjective.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.objectives;

import org.bukkit.Bukkit;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.HandlerList;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.EntityTameEvent;

import pl.betoncraft.betonquest.BetonQuest;
import pl.betoncraft.betonquest.Instruction;
import pl.betoncraft.betonquest.InstructionParseException;
import pl.betoncraft.betonquest.api.Objective;
import pl.betoncraft.betonquest.utils.PlayerConverter;

/**
 * The player must tame specified amount of specified mobs
 * 
 * @author Jakub Sapalski
 */
public class TameObjective extends Objective implements Listener {

	private enum TamableMobs {
		WOLF, OCELOT, HORSE;
	}

	private final TamableMobs type;
	private final int amount;

	public TameObjective(Instruction instruction) throws InstructionParseException {
		super(instruction);
		template = TameData.class;
		String string = instruction.next();
		try {
			type = TamableMobs.valueOf(string.toUpperCase());
		} catch (IllegalArgumentException e) {
			throw new InstructionParseException("Unknown type: " + string);
		}
		amount = instruction.getInt();
		if (amount < 1) {
			throw new InstructionParseException("Amount cannot be less than 1");
		}
	}

	@EventHandler
	public void onTaming(EntityTameEvent event) {
		if (event.getOwner() instanceof Player) {
			String playerID = PlayerConverter.getID((Player) event.getOwner());
			if (!dataMap.containsKey(playerID)) {
				return;
			}
			LivingEntity entity = event.getEntity();
			TameData playerData = (TameData) dataMap.get(playerID);
			switch (type) {
			case WOLF:
				if (entity.getType().equals(EntityType.WOLF) && checkConditions(playerID)) {
					playerData.subtract();
				}
				break;
			case OCELOT:
				if (entity.getType().equals(EntityType.OCELOT) && checkConditions(playerID)) {
					playerData.subtract();
				}
				break;
			case HORSE:
				if (entity.getType().equals(EntityType.HORSE) && checkConditions(playerID)) {
					playerData.subtract();
				}
				break;
			default:
				break;
			}
			if (playerData.isZero()) {
				completeObjective(playerID);
			}
		}
	}

	@Override
	public void start() {
		Bukkit.getPluginManager().registerEvents(this, BetonQuest.getInstance());
	}

	@Override
	public void stop() {
		HandlerList.unregisterAll(this);
	}

	@Override
	public String getDefaultDataInstruction() {
		return Integer.toString(amount);
	}

	@Override
	public String getProperty(String name, String playerID) {
		if (name.equalsIgnoreCase("left")) {
			return Integer.toString(amount - ((TameData) dataMap.get(playerID)).getAmount());
		} else if (name.equalsIgnoreCase("amount")) {
			return Integer.toString(((TameData) dataMap.get(playerID)).getAmount());
		}
		return "";
	}

	public static class TameData extends ObjectiveData {

		private int amount;

		public TameData(String instruction, String playerID, String objID) {
			super(instruction, playerID, objID);
			amount = Integer.parseInt(instruction);
		}

		@Override
		public String toString() {
			return Integer.toString(amount);
		}

		private int getAmount() {
			return amount;
		}

		private void subtract() {
			amount--;
			update();
		}

		private boolean isZero() {
			return amount <= 0;
		}

	}

}