feat(ai): Add giver percent life simulator

src/main/java/fr/quatrevieux/araknemu/game/GameModule.java

@@ -148,6 +148,7 @@
 import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.ArmorSimulator;
 import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.DamageSimulator;
 import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.FixedCasterDamage;
+import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.GivePercentLifeSimulator;
 import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.HealOrMultiplyDamageSimulator;
 import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.HealSimulator;
 import fr.quatrevieux.araknemu.game.fight.ai.simulation.effect.InvokeDoubleSimulator;
@@ -968,6 +969,7 @@ private void configureServices(ContainerConfigurator configurator) {
 
             // Heal
             simulator.register(108, new HealSimulator());
+            simulator.register(90, new GivePercentLifeSimulator());
 
             // Misc
             simulator.register(950, new SetStateSimulator()

src/main/java/fr/quatrevieux/araknemu/game/fight/ai/simulation/effect/GivePercentLifeSimulator.java

@@ -0,0 +1,50 @@
+/*
+ * 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.ai.simulation.effect;
+
+import fr.arakne.utils.value.Interval;
+import fr.quatrevieux.araknemu.game.fight.ai.AI;
+import fr.quatrevieux.araknemu.game.fight.ai.simulation.CastSimulation;
+import fr.quatrevieux.araknemu.game.fight.castable.CastScope;
+import fr.quatrevieux.araknemu.game.fight.castable.effect.EffectValue;
+import fr.quatrevieux.araknemu.game.fight.fighter.FighterData;
+import fr.quatrevieux.araknemu.game.fight.map.BattlefieldCell;
+
+/**
+ * Simulate the "give percent life" effect
+ * The simulator will compute the damage to the caster, and add the heal to the targets
+ *
+ * @see fr.quatrevieux.araknemu.game.fight.castable.effect.handler.heal.GivePercentLifeHandler The simulated effect
+ */
+public final class GivePercentLifeSimulator implements EffectSimulator {
+    @Override
+    public void simulate(CastSimulation simulation, AI ai, CastScope.EffectScope<? extends FighterData, ? extends BattlefieldCell> effect) {
+        final FighterData caster = ai.fighter();
+        final int heal = EffectValue.create(effect.effect(), caster, caster).value() * caster.life().current() / 100;
+
+        simulation.addDamage(Interval.of(heal), caster);
+
+        for (FighterData target : effect.targets()) {
+            if (!target.equals(caster)) {
+                simulation.addHeal(Interval.of(heal), target);
+            }
+        }
+    }
+}

src/test/java/fr/quatrevieux/araknemu/game/fight/ai/simulation/effect/GivePercentLifeSimulatorTest.java

@@ -0,0 +1,105 @@
+/*
+ * 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.ai.simulation.effect;
+
+import fr.quatrevieux.araknemu.data.value.EffectArea;
+import fr.quatrevieux.araknemu.game.fight.Fight;
+import fr.quatrevieux.araknemu.game.fight.FightBaseCase;
+import fr.quatrevieux.araknemu.game.fight.ai.FighterAI;
+import fr.quatrevieux.araknemu.game.fight.ai.action.logic.NullGenerator;
+import fr.quatrevieux.araknemu.game.fight.ai.simulation.CastSimulation;
+import fr.quatrevieux.araknemu.game.fight.castable.CastScope;
+import fr.quatrevieux.araknemu.game.fight.castable.effect.Element;
+import fr.quatrevieux.araknemu.game.fight.fighter.Fighter;
+import fr.quatrevieux.araknemu.game.fight.fighter.player.PlayerFighter;
+import fr.quatrevieux.araknemu.game.fight.map.FightCell;
+import fr.quatrevieux.araknemu.game.spell.Spell;
+import fr.quatrevieux.araknemu.game.spell.SpellConstraints;
+import fr.quatrevieux.araknemu.game.spell.effect.SpellEffect;
+import fr.quatrevieux.araknemu.game.spell.effect.area.CellArea;
+import fr.quatrevieux.araknemu.game.spell.effect.area.CircleArea;
+import fr.quatrevieux.araknemu.game.spell.effect.target.SpellEffectTarget;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class GivePercentLifeSimulatorTest extends FightBaseCase {
+    private Fight fight;
+    private PlayerFighter fighter;
+    private Fighter target;
+    private FighterAI ai;
+
+    @Override
+    @BeforeEach
+    public void setUp() throws Exception {
+        super.setUp();
+
+        fight = createFight();
+        fighter = player.fighter();
+        target = other.fighter();
+
+        fighter.init();
+        target.init();
+
+        target.life().alter(target, -30);
+
+        ai = new FighterAI(fighter, fight, new NullGenerator());
+    }
+
+    @Test
+    void simulateWithoutTarget() {
+        CastSimulation simulation = simulate();
+
+        assertEquals(0, simulation.enemiesLife());
+        assertEquals(-29, simulation.selfLife());
+    }
+
+    @Test
+    void simulateWithTarget() {
+        fighter.move(fight.map().get(182));
+        target.move(fight.map().get(196));
+
+        CastSimulation simulation = simulate();
+
+        assertEquals(29, simulation.enemiesLife());
+        assertEquals(-29, simulation.selfLife());
+    }
+
+    private CastSimulation simulate() {
+        SpellEffect effect = Mockito.mock(SpellEffect.class);
+        Spell spell = Mockito.mock(Spell.class);
+        SpellConstraints constraints = Mockito.mock(SpellConstraints.class);
+
+        Mockito.when(effect.min()).thenReturn(10);
+        Mockito.when(effect.area()).thenReturn(new CircleArea(new EffectArea(EffectArea.Type.CIRCLE, 1)));
+        Mockito.when(effect.target()).thenReturn(SpellEffectTarget.DEFAULT);
+        Mockito.when(spell.constraints()).thenReturn(constraints);
+        Mockito.when(constraints.freeCell()).thenReturn(false);
+
+        CastSimulation simulation = new CastSimulation(spell, fighter, fighter.cell());
+
+        CastScope<Fighter, FightCell> scope = makeCastScope(fighter, spell, effect, fighter.cell());
+        new GivePercentLifeSimulator().simulate(simulation, ai, scope.effects().get(0));
+
+        return simulation;
+    }
+}