Arakne / Araknemu

 * This file is part of Araknemu.

 *

 * Araknemu is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Araknemu 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with Araknemu.  If not, see <https://www.gnu.org/licenses/>.

 *

 * Copyright (c) 2017-2022 Vincent Quatrevieux

 */

package fr.quatrevieux.araknemu.game.fight.ai.action;

import fr.quatrevieux.araknemu.game.fight.ai.AI;

import fr.quatrevieux.araknemu.game.fight.ai.action.util.CastSpell;

import fr.quatrevieux.araknemu.game.fight.ai.simulation.CastSimulation;

import fr.quatrevieux.araknemu.game.fight.ai.simulation.Simulator;

import fr.quatrevieux.araknemu.game.fight.fighter.ActiveFighter;

import fr.quatrevieux.araknemu.game.fight.turn.action.Action;

import fr.quatrevieux.araknemu.game.fight.turn.action.factory.ActionsFactory;

import java.util.Optional;

/**

 * Try to heal allies

 *

 * Select spells which heal allies or self

 * All cells are tested for select the most effective target for each spells

 */

public final class Heal<F extends ActiveFighter> implements ActionGenerator<F>, CastSpell.SimulationSelector {

    private final CastSpell<F> generator;

    @SuppressWarnings({"assignment", "argument"})

    public Heal(Simulator simulator) {

        this.generator = new CastSpell<>(simulator, this);

    }

    @Override

    public void initialize(AI<F> ai) {

        generator.initialize(ai);

    }

    @Override

    public Optional<Action> generate(AI<F> ai, ActionsFactory<F> actions) {

        return generator.generate(ai, actions);

    }

    @Override

    public boolean valid(CastSimulation simulation) {

        if (

            simulation.alliesLife() + simulation.selfLife() <= 0

            || simulation.killedAllies() > 0.1

            || simulation.suicideProbability() > 0.1

        ) {

            return false;

        }

        // Apply more heal on enemies than allies

        return simulation.alliesLife() + simulation.selfLife() > simulation.enemiesLife();

    }

    @Override

    public double score(CastSimulation simulation) {

        final double score = healScore(simulation) + boostScore(simulation);

        return score / simulation.actionPointsCost();

    }

    private double healScore(CastSimulation simulation) {

        return simulation.alliesLife() + simulation.selfLife() - simulation.enemiesLife();

    }

}