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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) 2017-2020 Vincent Quatrevieux |
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*/ |
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package fr.quatrevieux.araknemu.game.fight.turn.action.util; |
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import fr.arakne.utils.value.helper.RandomUtil; |
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import fr.quatrevieux.araknemu.data.constant.Characteristic; |
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import fr.quatrevieux.araknemu.game.fight.fighter.ActiveFighter; |
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import org.checkerframework.checker.index.qual.NonNegative; |
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import org.checkerframework.checker.index.qual.Positive; |
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/** |
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* Base algorithm for compute criticality |
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*/ |
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public final class BaseCriticalityStrategy implements CriticalityStrategy { |
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1 |
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private final RandomUtil random = new RandomUtil(); |
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@Override |
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public @Positive int hitRate(ActiveFighter fighter, int base) { |
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if (base <= 2) { |
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return Math.max(base, 1); |
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} |
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base -= fighter.characteristics().get(Characteristic.CRITICAL_BONUS); |
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final int agility = Math.max(fighter.characteristics().get(Characteristic.AGILITY), 0); |
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final int rate = Math.min((int) ((base * 2.9901) / Math.log(agility + 12)), base); |
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return Math.max(rate, 2); |
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} |
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@Override |
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public boolean hit(ActiveFighter fighter, @NonNegative int baseRate) { |
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if (baseRate < 2) { // No criticality |
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return false; |
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} |
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return random.reverseBool(hitRate(fighter, baseRate)); |
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} |
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@Override |
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public @Positive int failureRate(ActiveFighter fighter, @Positive int base) { |
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return Math.max(base - fighter.characteristics().get(Characteristic.FAIL_MALUS), 2); |
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} |
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@Override |
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public boolean failed(ActiveFighter fighter, @NonNegative int baseRate) { |
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return baseRate > 0 && random.reverseBool(failureRate(fighter, baseRate)); |
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} |
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} |
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Arakne /
Araknemu
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