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Think Machine - A Fading Suns character generator (random character creation)

There is a newer version: 0.10.5

package com.softwaremagico.tm.character;

/*-
 * #%L
 * Think Machine (Core)
 * %%
 * Copyright (C) 2017 - 2018 Softwaremagico
 * %%
 * This software is designed by Jorge Hortelano Otero. Jorge Hortelano Otero
 *  Valencia (Spain).
 *  
 * 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 2 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 .
 * #L%
 */

import java.util.Collection;
import java.util.Set;

import com.softwaremagico.tm.InvalidXmlElementException;
import com.softwaremagico.tm.character.factions.Faction;
import com.softwaremagico.tm.character.planets.Planet;
import com.softwaremagico.tm.character.planets.PlanetFactory;
import com.softwaremagico.tm.character.races.InvalidRaceException;
import com.softwaremagico.tm.random.RandomSelector;
import com.softwaremagico.tm.random.exceptions.InvalidRandomElementSelectedException;
import com.softwaremagico.tm.random.selectors.IRandomPreference;

public class RandomPlanet extends RandomSelector {
	private static final int FACTION_PLANET = 50;
	private static final int NEUTRAL_PLANET = 8;
	private static final int ENEMY_PLANET = 1;

	public RandomPlanet(CharacterPlayer characterPlayer, Set preferences)
			throws InvalidXmlElementException {
		super(characterPlayer, preferences);
	}

	@Override
	public void assign() throws InvalidRaceException, InvalidRandomElementSelectedException {
		getCharacterPlayer().getInfo().setPlanet(selectElementByWeight());
	}

	@Override
	protected Collection getAllElements() throws InvalidXmlElementException {
		return PlanetFactory.getInstance().getElements(getCharacterPlayer().getLanguage(),
				getCharacterPlayer().getModuleName());
	}

	@Override
	protected int getWeight(Planet planet) {
		if (planet.getFactions().contains(getCharacterPlayer().getFaction())) {
			return FACTION_PLANET;
		}
		for (final Faction factionsOfPlanet : planet.getFactions()) {
			if (factionsOfPlanet.getFactionGroup() == getCharacterPlayer().getFaction().getFactionGroup()) {
				return ENEMY_PLANET;
			}
		}
		return NEUTRAL_PLANET;
	}

	@Override
	protected void assignIfMandatory(Planet element) throws InvalidXmlElementException {
		return;
	}

	@Override
	protected void assignMandatoryValues(Set mandatoryValues) throws InvalidXmlElementException {
		return;
	}
}