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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.castable.validator; |
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import fr.arakne.utils.maps.constant.Direction; |
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import fr.quatrevieux.araknemu.game.fight.castable.Castable; |
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import fr.quatrevieux.araknemu.game.fight.map.FightCell; |
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import fr.quatrevieux.araknemu.game.fight.turn.Turn; |
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import fr.quatrevieux.araknemu.network.game.out.info.Error; |
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/** |
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* Check if spell should be cast in line launch |
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*/ |
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public final class LineLaunchValidator implements CastConstraintValidator { |
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@Override |
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public Error validate(Turn turn, Castable castable, FightCell target) { |
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if (check(turn, castable, target)) { |
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return null; |
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} |
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return Error.cantCastLineLaunch(); |
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} |
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@Override |
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public boolean check(Turn turn, Castable castable, FightCell target) { |
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if (!castable.constraints().lineLaunch()) { |
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return true; |
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} |
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if (castable.constraints().range().max() < 2 || target.equals(turn.fighter().cell())) { |
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return true; |
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} |
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final int mapWidth = target.map().dimensions().width(); |
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for (Direction direction : Direction.values()) { |
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if (!direction.restricted()) { |
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continue; |
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} |
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final int diff = Math.abs(turn.fighter().cell().id() - target.id()); |
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final int inc = direction.nextCellIncrement(mapWidth); |
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// cell ids diff is multiple of inc => cells are in same line |
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1 |
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if (diff / inc < (mapWidth * 2 + 1) && diff % inc == 0) { |
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return true; |
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} |
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} |
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1 |
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return false; |
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} |
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} |
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Arakne /
Araknemu
