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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) 2017-2021 Vincent Quatrevieux |
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*/ |
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package fr.quatrevieux.araknemu.game.fight.ai.util; |
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import fr.quatrevieux.araknemu.game.fight.ai.AI; |
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import fr.quatrevieux.araknemu.game.fight.fighter.ActiveFighter; |
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import fr.quatrevieux.araknemu.game.fight.map.FightCell; |
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import java.util.function.Function; |
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/** |
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* Utility class for perform common AI operations on the current fighter |
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* |
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* @see AI#helper() |
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*/ |
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public final class AIHelper { |
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private final AI ai; |
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private final CellsHelper cells; |
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private final SpellsHelper spells; |
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private final FightersHelper enemies; |
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private final FightersHelper allies; |
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public AIHelper(AI ai) { |
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this.ai = ai; |
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this.cells = new CellsHelper(ai); |
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this.spells = new SpellsHelper(this, ai); |
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this.enemies = new FightersHelper(this, ai, fighter -> !fighter.team().equals(ai.fighter().team())); |
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this.allies = new FightersHelper(this, ai, fighter -> !fighter.equals(ai.fighter()) && fighter.team().equals(ai.fighter().team())); |
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} |
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/** |
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* @return The spells helper |
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*/ |
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public SpellsHelper spells() { |
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return spells; |
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} |
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/** |
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* @return The cells helper |
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*/ |
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public CellsHelper cells() { |
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return cells; |
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} |
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/** |
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* @return Get the fighters helper for enemies |
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*/ |
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public FightersHelper enemies() { |
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return enemies; |
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} |
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/** |
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* @return Get the fighters helper for allies |
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*/ |
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public FightersHelper allies() { |
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return allies; |
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} |
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/** |
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* @return The current number of movement points |
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*/ |
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public int movementPoints() { |
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return ai.turn().points().movementPoints(); |
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} |
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/** |
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* @return The current number of action points |
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*/ |
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public int actionPoints() { |
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return ai.turn().points().actionPoints(); |
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} |
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/** |
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* Does the fighter has at least 1 AP |
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* |
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* @return true if has at least 1 AP |
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*/ |
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public boolean hasActionPoints() { |
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return ai.turn().points().actionPoints() >= 1; |
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} |
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/** |
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* Does the fighter has at least 1 MP |
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* |
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* @return true if has at least 1 MP |
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*/ |
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public boolean hasMovementPoints() { |
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return ai.turn().points().movementPoints() >= 1; |
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} |
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/** |
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* Check if the current fighter has movement points, and he's not blocked by enemies on adjacent cells |
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*/ |
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public boolean canMove() { |
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return hasMovementPoints() && cells().adjacent().anyMatch(FightCell::walkable); |
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} |
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/** |
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* Check if the current fighter can cast a spell |
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* Return true only if the fighter has at least one available spell |
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*/ |
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public boolean canCast() { |
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return hasActionPoints() && spells().hasAvailable(); |
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} |
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/** |
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* Simulate a movement to a given cell by changing the current cell of the fighter |
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* |
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* <pre>{@code |
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* ai.helper().simulateMove(newCell, fighter -> { |
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* // fighter is on "newCell" |
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* return performSimulation(fighter); |
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* }); |
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* }</pre> |
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* |
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* @param cell The new cell |
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* @param task Action to perform on the moved fighter. It takes as argument the fighter, and returns the action result |
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* |
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* @param <R> The action result type |
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* |
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* @return The action result |
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*/ |
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public <R> R simulateMove(FightCell cell, Function<ActiveFighter, R> task) { |
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final ActiveFighter fighter = ai.fighter(); |
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final FightCell currentCell = fighter.cell(); |
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try { |
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fighter.move(cell); |
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return task.apply(fighter); |
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} finally { |
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fighter.move(currentCell); |
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} |
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} |
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} |
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Arakne /
Araknemu
