StepObjective.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.Material;
import org.bukkit.block.Block;
import org.bukkit.event.EventHandler;
import org.bukkit.event.HandlerList;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.EquipmentSlot;

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

/**
 * The player must step on the pressure plate
 * 
 * @author Jakub Sapalski
 */
public class StepObjective extends Objective implements Listener {

	private final LocationData loc;

	public StepObjective(Instruction instruction) throws InstructionParseException {
		super(instruction);
		template = ObjectiveData.class;
		loc = instruction.getLocation();
	}

	@EventHandler
	public void onStep(PlayerInteractEvent event) {
		// Only fire the event for the main hand to avoid that the event is triggered two times.
		if (event.getHand() == EquipmentSlot.OFF_HAND && event.getHand() != null) {
			return; // off hand packet, ignore.
		}
		if (event.getAction() != Action.PHYSICAL) {
			return;
		}
		if (event.getClickedBlock() == null) {
			return;
		}
		try {
			String playerID = PlayerConverter.getID(event.getPlayer());
			Material type = event.getClickedBlock().getType();
			Block block = loc.getLocation(playerID).getBlock();
			if (!event.getClickedBlock().equals(block)) {
				return;
			}
			if (type != Material.STONE_PLATE && type != Material.WOOD_PLATE && type != Material.GOLD_PLATE
					&& type != Material.IRON_PLATE) {
				return;
			}
			if (!containsPlayer(playerID)) {
				return;
			}
			// player stepped on the pressure plate
			if (checkConditions(playerID))
				completeObjective(playerID);
		} catch (QuestRuntimeException e) {
			Debug.error("Error while handling '" + instruction.getID() + "' objective: " + e.getMessage());
		}
	}

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

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

	@Override
	public String getDefaultDataInstruction() {
		return "";
	}

	@Override
	public String getProperty(String name, String playerID) {
		if (name.equalsIgnoreCase("location")) {
			Block block;
			try {
				block = loc.getLocation(playerID).getBlock();
			} catch (QuestRuntimeException e) {
				Debug.error("Error while getting location property in '" + instruction.getID() + "' objective: "
						+ e.getMessage());
				return "";
			}
			return "X: " + block.getX() + ", Y: " + block.getY() + ", Z: " + block.getZ();
		}
		return "";
	}
}