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) 2017-2019 Vincent Quatrevieux

 */

package fr.quatrevieux.araknemu.game.fight.castable.effect.handler.characteristic;

import fr.quatrevieux.araknemu.game.fight.castable.FightCastScope;

import fr.quatrevieux.araknemu.game.fight.castable.effect.EffectValue;

import fr.quatrevieux.araknemu.game.fight.castable.effect.buff.Buff;

import fr.quatrevieux.araknemu.game.fight.castable.effect.buff.BuffEffect;

import fr.quatrevieux.araknemu.game.fight.castable.effect.buff.BuffHook;

import fr.quatrevieux.araknemu.game.fight.castable.effect.handler.EffectHandler;

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

import fr.quatrevieux.araknemu.game.spell.effect.SpellEffect;

/**

 * Alter a characteristic with buff effect

 */

public abstract class AbstractAlterCharacteristicHandler implements EffectHandler, BuffHook {

    private final AlterCharacteristicHook hook;

    private final boolean canBeDispelled;

    /**

     * @param hook Buff hook which handle characteristic change

     * @param canBeDispelled Added buff effect can be dispelled. See: {@link Buff#canBeDispelled()}

     */

    public AbstractAlterCharacteristicHandler(AlterCharacteristicHook hook, boolean canBeDispelled) {

        this.hook = hook;

        this.canBeDispelled = canBeDispelled;

    }

    @Override

    public void buff(FightCastScope cast, FightCastScope.EffectScope effect) {

        final SpellEffect spellEffect = effect.effect();

        final Fighter caster = cast.caster();

        EffectValue.forEachTargets(

            spellEffect,

            caster,

            effect.targets(),

            (target, effectValue) -> target.buffs().add(new Buff(

                BuffEffect.fixed(spellEffect, effectValue.value()),

                cast.action(),

                caster,

                target,

                this,

                canBeDispelled

            ))

        );

    }

    @Override

    public void onBuffStarted(Buff buff) {

        hook.onBuffStarted(buff);

    }

    @Override

    public void onBuffTerminated(Buff buff) {

        hook.onBuffTerminated(buff);

    }

}