RandomCondition.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.conditions;

import java.util.Random;

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.Condition;

/**
 * The condition that is met randomly
 * 
 * @author BYK
 */
public class RandomCondition extends Condition {

	private final VariableNumber valueMax;
	private final VariableNumber rangeOfRandom;

	public RandomCondition(Instruction instruction) throws InstructionParseException {
		super(instruction);
		staticness = true;
		persistent = true;
		String[] values = instruction.next().split("-");
		String packName = instruction.getPackage().getName();
		if (values.length != 2) {
			throw new InstructionParseException("Wrong randomness format");
		}
		try {
			valueMax = new VariableNumber(packName, values[0]);
			rangeOfRandom = new VariableNumber(packName, values[1]);
		} catch (NumberFormatException e) {
			throw new InstructionParseException("Cannot parse randomness values");
		}
	}

	@Override
	public boolean check(String playerID) throws QuestRuntimeException {
		Random generator = new Random();
		int temp = generator.nextInt(rangeOfRandom.getInt(playerID)) + 1;
		if (temp <= valueMax.getInt(playerID)) {
			return true;
		} else {
			return false;
		}
	}

}