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Merge pull request Arakne#290 from vincent4vx/feature-fight-handle-ph…
…ysical-magical-damage-effects handle physical magical damage effects
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...quatrevieux/araknemu/game/fight/castable/effect/handler/armor/AlterResistanceHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * 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) 2017-2023 Vincent Quatrevieux | ||
| */ | ||
|
|
||
| package fr.quatrevieux.araknemu.game.fight.castable.effect.handler.armor; | ||
|
|
||
| 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.castable.effect.handler.damage.Damage; | ||
| import fr.quatrevieux.araknemu.game.fight.fighter.Fighter; | ||
| import fr.quatrevieux.araknemu.game.spell.effect.SpellEffect; | ||
|
|
||
| /** | ||
| * Buff effect for increasing or decrease magical or physical resistance | ||
| * | ||
| * Like {@link fr.quatrevieux.araknemu.game.fight.castable.effect.handler.characteristic.AddCharacteristicHandler}, | ||
| * the effect value will be computed before the buff is applied, so the resistance is fixed | ||
| * | ||
| * Unlike {@link ReduceDamageHandler}, this effect reduce all damage, not only direct damage | ||
| */ | ||
| public final class AlterResistanceHandler implements EffectHandler, BuffHook { | ||
| private final boolean physical; | ||
| private final int multiplier; | ||
|
|
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| /** | ||
| * @param physical Does this effect alter physical resistance ? If false, it alters magical resistance | ||
| * @param multiplier The multiplier to apply to the resistance. 1 for adding resistance, -1 for reducing resistance | ||
| */ | ||
| public AlterResistanceHandler(boolean physical, int multiplier) { | ||
| this.physical = physical; | ||
| this.multiplier = multiplier; | ||
| } | ||
|
|
||
| @Override | ||
| public void handle(FightCastScope cast, FightCastScope.EffectScope effect) { | ||
| throw new UnsupportedOperationException("AlterResistanceHandler can only be used as buff"); | ||
| } | ||
|
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| @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 | ||
| )) | ||
| ); | ||
| } | ||
|
|
||
| @Override | ||
| public void onDamage(Buff buff, Damage value) { | ||
| if (value.element().physical() != physical) { | ||
| return; | ||
| } | ||
|
|
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| value.fixed(buff.effect().min() * multiplier); | ||
| } | ||
|
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| /** | ||
| * Create effect handler for adding physical resistance | ||
| * So, it will reduce all suffered damage with element neutral or earth | ||
| */ | ||
| public static AlterResistanceHandler increasePhysical() { | ||
| return new AlterResistanceHandler(true, 1); | ||
| } | ||
|
|
||
| /** | ||
| * Create effect handler for adding magical resistance | ||
| * So, it will reduce all suffered damage with element air, fire or water | ||
| */ | ||
| public static AlterResistanceHandler increaseMagical() { | ||
| return new AlterResistanceHandler(false, 1); | ||
| } | ||
|
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||
| /** | ||
| * Create effect handler for reducing magical resistance | ||
| * So, it will increase all suffered damage with element air, fire or water | ||
| */ | ||
| public static AlterResistanceHandler reduceMagical() { | ||
| return new AlterResistanceHandler(false, -1); | ||
| } | ||
| } |
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