VariableEvent.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.ArrayList;

import pl.betoncraft.betonquest.BetonQuest;
import pl.betoncraft.betonquest.Instruction;
import pl.betoncraft.betonquest.InstructionParseException;
import pl.betoncraft.betonquest.ObjectiveID;
import pl.betoncraft.betonquest.QuestRuntimeException;
import pl.betoncraft.betonquest.api.Objective;
import pl.betoncraft.betonquest.api.QuestEvent;
import pl.betoncraft.betonquest.objectives.VariableObjective;
import pl.betoncraft.betonquest.utils.PlayerConverter;

public class VariableEvent extends QuestEvent {
	
	private ObjectiveID id;
	private String key;
	private ArrayList<String> keyVariables;
	private String value;
	private ArrayList<String> valueVariables;

	public VariableEvent(Instruction instruction) throws InstructionParseException {
		super(instruction);
		id = instruction.getObjective();
		key = instruction.next();
		keyVariables = BetonQuest.resolveVariables(key);
		value = instruction.next();
		valueVariables = BetonQuest.resolveVariables(value);
	}

	@Override
	public void run(String playerID) throws QuestRuntimeException {
		Objective obj = BetonQuest.getInstance().getObjective(id);
		if (!(obj instanceof VariableObjective)) {
			throw new QuestRuntimeException(id.getFullID() + " is not a variable objective");
		}
		VariableObjective objective = (VariableObjective) obj;
		String keyReplaced = key;
		for (String v : keyVariables) {
			keyReplaced = keyReplaced.replace(v, BetonQuest.getInstance().getVariableValue(
					instruction.getPackage().getName(), v, playerID));
		}
		String valueReplaced = value;
		for (String v : valueVariables) {
			valueReplaced = valueReplaced.replace(v, BetonQuest.getInstance().getVariableValue(
					instruction.getPackage().getName(), v, playerID));
		}
		if (!objective.store(playerID, keyReplaced.replace('_', ' '), valueReplaced.replace('_', ' '))) {
			throw new QuestRuntimeException("Player " + PlayerConverter.getName(playerID) + " does not have '" +
					id.getFullID() + "' objective, cannot store a variable.");
		}
	}

}