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/* |
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* This file is part of Araknemu. |
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* |
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* Araknemu is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Araknemu is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with Araknemu. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* Copyright (c) 2017-2019 Vincent Quatrevieux |
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*/ |
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package fr.quatrevieux.araknemu.game.fight.castable.effect.handler.damage; |
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import fr.quatrevieux.araknemu.data.constant.Characteristic; |
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import fr.quatrevieux.araknemu.game.fight.Fight; |
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import fr.quatrevieux.araknemu.game.fight.castable.effect.EffectValue; |
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import fr.quatrevieux.araknemu.game.fight.castable.effect.Element; |
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import fr.quatrevieux.araknemu.game.fight.castable.effect.buff.Buff; |
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import fr.quatrevieux.araknemu.game.fight.fighter.ActiveFighter; |
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import fr.quatrevieux.araknemu.game.fight.fighter.PassiveFighter; |
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import fr.quatrevieux.araknemu.game.spell.effect.SpellEffect; |
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import fr.quatrevieux.araknemu.network.game.out.fight.action.ActionEffect; |
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/** |
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* Apply simple damage to fighter |
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* |
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* Returns the effect damage value. |
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* When applies damage, a negative value will be returned (-50 => The target lose 50 LP) |
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* When no effect, zero will be returned |
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* When damage is transformed to heal, will return a positive value (50 => The target win 50 LP) |
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*/ |
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public final class DamageApplier { |
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private final Element element; |
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private final Fight fight; |
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public DamageApplier(Element element, Fight fight) { |
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this.element = element; |
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this.fight = fight; |
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} |
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/** |
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* Apply a direct damage effect to a fighter |
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* |
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* Note: do not use this method for a buff, it will call the invalid buff hook |
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* |
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* @param caster The spell caster |
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* @param effect The effect to apply |
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* @param target The target |
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* |
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* @return The real damage value |
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* |
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* @see DamageApplier#apply(Buff) For apply a buff damage (i.e. poison) |
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* @see fr.quatrevieux.araknemu.game.fight.castable.effect.buff.Buffs#onDirectDamage(ActiveFighter, Damage) The called buff hook |
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*/ |
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public int apply(ActiveFighter caster, SpellEffect effect, PassiveFighter target) { |
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final Damage damage = computeDamage(caster, effect, target); |
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target.buffs().onDirectDamage(caster, damage); |
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if (!caster.equals(target)) { |
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damage.reflect(target.characteristics().get(Characteristic.COUNTER_DAMAGE)); |
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} |
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return applyDamage(caster, damage, target); |
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} |
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/** |
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* Apply a damage buff effect |
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* |
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* @param buff Buff to apply |
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* |
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* @return The real damage value |
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* |
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* @see fr.quatrevieux.araknemu.game.fight.castable.effect.buff.Buffs#onBuffDamage(Buff, Damage) The called buff hook |
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*/ |
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public int apply(Buff buff) { |
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final PassiveFighter target = buff.target(); |
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final ActiveFighter caster = buff.caster(); |
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final Damage damage = computeDamage(caster, buff.effect(), target); |
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target.buffs().onBuffDamage(buff, damage); |
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return applyDamage(caster, damage, target); |
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} |
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/** |
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* Create the damage object |
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*/ |
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private Damage computeDamage(ActiveFighter caster, SpellEffect effect, PassiveFighter target) { |
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final EffectValue value = new EffectValue(effect) |
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.percent(caster.characteristics().get(element.boost())) |
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.percent(caster.characteristics().get(Characteristic.PERCENT_DAMAGE)) |
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.fixed(caster.characteristics().get(Characteristic.FIXED_DAMAGE)) |
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; |
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return new Damage(value.value(), element) |
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.percent(target.characteristics().get(element.percentResistance())) |
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.fixed(target.characteristics().get(element.fixedResistance())) |
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; |
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} |
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/** |
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* Apply the damage object to the target |
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* |
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* @return The life change value. Negative for damage, positive for heal. |
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*/ |
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private int applyDamage(ActiveFighter caster, Damage damage, PassiveFighter target) { |
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if (damage.reducedDamage() > 0) { |
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fight.send(ActionEffect.reducedDamage(target, damage.reducedDamage())); |
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} |
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final int lifeChange = target.life().alter(caster, -damage.value()); |
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if (lifeChange < 0 && !target.equals(caster) && damage.reflectedDamage() > 0) { |
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applyReflectedDamage(target, caster, damage); |
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} |
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return lifeChange; |
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} |
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/** |
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* Apply returned damage on the original caster |
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* |
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* Notes: |
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* - do not handle target change chain |
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* - use resistance on returned damage ? |
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* |
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* @param caster The original spell caster |
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* @param damage The applied damage |
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*/ |
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private void applyReflectedDamage(PassiveFighter castTarget, ActiveFighter caster, Damage damage) { |
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final ReflectedDamage returnedDamage = new ReflectedDamage(damage, caster); |
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caster.buffs().onReflectedDamage(returnedDamage); |
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if (returnedDamage.baseValue() > 0) { |
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fight.send(ActionEffect.reflectedDamage(castTarget, returnedDamage.baseValue())); |
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returnedDamage.target().life().alter(castTarget, -returnedDamage.value()); |
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} |
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} |
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} |
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Arakne /
Araknemu
