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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; |
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import fr.quatrevieux.araknemu.game.fight.castable.CastScope; |
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import fr.quatrevieux.araknemu.game.fight.castable.effect.handler.EffectHandler; |
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import fr.quatrevieux.araknemu.game.fight.fighter.PassiveFighter; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Set; |
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/** |
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* Handle fight effects |
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*/ |
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public final class EffectsHandler { |
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private final Map<Integer, EffectHandler> handlers = new HashMap<>(); |
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public void register(int effectId, EffectHandler applier) { |
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handlers.put(effectId, applier); |
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} |
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/** |
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* Apply a cast to the fight |
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*/ |
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public void apply(CastScope cast) { |
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applyCastTarget(cast); |
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for (CastScope.EffectScope effect : cast.effects()) { |
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// @todo Warning if handler is not found |
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if (handlers.containsKey(effect.effect().effect())) { |
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final EffectHandler handler = handlers.get(effect.effect().effect()); |
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if (effect.effect().duration() == 0) { |
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handler.handle(cast, effect); |
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} else { |
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handler.buff(cast, effect); |
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} |
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} |
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} |
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} |
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/** |
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* Call {@link fr.quatrevieux.araknemu.game.fight.castable.effect.buff.Buffs#onCastTarget(CastScope)} |
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* on each target. |
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* |
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* If a target is changed (by calling {@link CastScope#replaceTarget(PassiveFighter, PassiveFighter)}), |
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* new targets will also be called |
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*/ |
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private void applyCastTarget(CastScope cast) { |
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Set<PassiveFighter> visitedTargets = Collections.emptySet(); |
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for (;;) { |
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final Set<PassiveFighter> currentTargets = cast.targets(); |
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boolean hasChanged = false; |
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for (PassiveFighter target : currentTargets) { |
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// Ignore already called targets |
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if (!visitedTargets.contains(target)) { |
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if (!target.buffs().onCastTarget(cast)) { |
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// The hook notify a target change |
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hasChanged = true; |
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} |
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} |
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} |
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// There is no new targets, we can stop here |
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if (!hasChanged) { |
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return; |
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} |
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// cast#targets() always contains all resolved targets, including removed ones |
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// so simple change visitedTargets by this value is enough to keep track of all already called fighters |
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visitedTargets = currentTargets; |
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} |
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} |
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} |
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Arakne /
Araknemu
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