[Move] Implement Lunar Dance (#4926)

* beginning immplementation of lunar dance

* adding tests

* changing in game message and making full hp message not display

* Reuse Healing Wish's move attr, update test

---------

Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>

src/data/move.ts

@@ -1881,8 +1881,14 @@ export class FlameBurstAttr extends MoveEffectAttr {
 }
 
 export class SacrificialFullRestoreAttr extends SacrificialAttr {
-  constructor() {
+  protected restorePP: boolean;
+  protected moveMessage: string;
+
+  constructor(restorePP: boolean, moveMessage: string) {
     super();
+
+    this.restorePP = restorePP;
+    this.moveMessage = moveMessage;
   }
 
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
@@ -1893,8 +1899,19 @@ export class SacrificialFullRestoreAttr extends SacrificialAttr {
     // We don't know which party member will be chosen, so pick the highest max HP in the party
     const maxPartyMemberHp = user.scene.getPlayerParty().map(p => p.getMaxHp()).reduce((maxHp: integer, hp: integer) => Math.max(hp, maxHp), 0);
 
-    user.scene.pushPhase(new PokemonHealPhase(user.scene, user.getBattlerIndex(),
+    user.scene.pushPhase(
-      maxPartyMemberHp, i18next.t("moveTriggers:sacrificialFullRestore", { pokemonName: getPokemonNameWithAffix(user) }), true, false, false, true), true);
+      new PokemonHealPhase(
+        user.scene,
+        user.getBattlerIndex(),
+        maxPartyMemberHp,
+        i18next.t(this.moveMessage, { pokemonName: getPokemonNameWithAffix(user) }),
+        true,
+        false,
+        false,
+        true,
+        false,
+        this.restorePP),
+      true);
 
     return true;
   }
@@ -9002,7 +9019,7 @@ export function initMoves() {
       .attr(GyroBallPowerAttr)
       .ballBombMove(),
     new SelfStatusMove(Moves.HEALING_WISH, Type.PSYCHIC, -1, 10, -1, 0, 4)
-      .attr(SacrificialFullRestoreAttr)
+      .attr(SacrificialFullRestoreAttr, false, "moveTriggers:sacrificialFullRestore")
       .triageMove(),
     new AttackMove(Moves.BRINE, Type.WATER, MoveCategory.SPECIAL, 65, 100, 10, -1, 0, 4)
       .attr(MovePowerMultiplierAttr, (user, target, move) => target.getHpRatio() < 0.5 ? 2 : 1),
@@ -9279,10 +9296,9 @@ export function initMoves() {
     new AttackMove(Moves.SPACIAL_REND, Type.DRAGON, MoveCategory.SPECIAL, 100, 95, 5, -1, 0, 4)
       .attr(HighCritAttr),
     new SelfStatusMove(Moves.LUNAR_DANCE, Type.PSYCHIC, -1, 10, -1, 0, 4)
-      .attr(SacrificialAttrOnHit)
+      .attr(SacrificialFullRestoreAttr, true, "moveTriggers:lunarDanceRestore")
       .danceMove()
-      .triageMove()
+      .triageMove(),
-      .unimplemented(),
     new AttackMove(Moves.CRUSH_GRIP, Type.NORMAL, MoveCategory.PHYSICAL, -1, 100, 5, -1, 0, 4)
       .attr(OpponentHighHpPowerAttr, 120),
     new AttackMove(Moves.MAGMA_STORM, Type.FIRE, MoveCategory.SPECIAL, 100, 75, 5, -1, 0, 4)

src/phases/pokemon-heal-phase.ts

@@ -21,8 +21,9 @@ export class PokemonHealPhase extends CommonAnimPhase {
   private revive: boolean;
   private healStatus: boolean;
   private preventFullHeal: boolean;
+  private fullRestorePP: boolean;
 
-  constructor(scene: BattleScene, battlerIndex: BattlerIndex, hpHealed: integer, message: string | null, showFullHpMessage: boolean, skipAnim: boolean = false, revive: boolean = false, healStatus: boolean = false, preventFullHeal: boolean = false) {
+  constructor(scene: BattleScene, battlerIndex: BattlerIndex, hpHealed: integer, message: string | null, showFullHpMessage: boolean, skipAnim: boolean = false, revive: boolean = false, healStatus: boolean = false, preventFullHeal: boolean = false, fullRestorePP: boolean = false) {
     super(scene, battlerIndex, undefined, CommonAnim.HEALTH_UP);
 
     this.hpHealed = hpHealed;
@@ -32,6 +33,7 @@ export class PokemonHealPhase extends CommonAnimPhase {
     this.revive = revive;
     this.healStatus = healStatus;
     this.preventFullHeal = preventFullHeal;
+    this.fullRestorePP = fullRestorePP;
   }
 
   start() {
@@ -86,6 +88,13 @@ export class PokemonHealPhase extends CommonAnimPhase {
         lastStatusEffect = pokemon.status.effect;
         pokemon.resetStatus();
       }
+      if (this.fullRestorePP) {
+        for (const move of this.getPokemon().getMoveset()) {
+          if (move) {
+            move.ppUsed = 0;
+          }
+        }
+      }
       pokemon.updateInfo().then(() => super.end());
     } else if (this.healStatus && !this.revive && pokemon.status) {
       lastStatusEffect = pokemon.status.effect;

src/test/moves/lunar_dance.test.ts

@@ -0,0 +1,77 @@
+import { StatusEffect } from "#app/enums/status-effect";
+import { CommandPhase } from "#app/phases/command-phase";
+import { Abilities } from "#enums/abilities";
+import { Moves } from "#enums/moves";
+import { Species } from "#enums/species";
+import GameManager from "#test/utils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, it, expect } from "vitest";
+
+describe("Moves - Lunar Dance", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override
+      .statusEffect(StatusEffect.BURN)
+      .battleType("double")
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(Moves.SPLASH);
+  });
+
+  it("should full restore HP, PP and status of switched in pokemon, then fail second use because no remaining backup pokemon in party", async () => {
+    await game.classicMode.startBattle([ Species.BULBASAUR, Species.ODDISH, Species.RATTATA ]);
+
+    const [ bulbasaur, oddish, rattata ] = game.scene.getPlayerParty();
+    game.move.changeMoveset(bulbasaur, [ Moves.LUNAR_DANCE, Moves.SPLASH ]);
+    game.move.changeMoveset(oddish, [ Moves.LUNAR_DANCE, Moves.SPLASH ]);
+    game.move.changeMoveset(rattata, [ Moves.LUNAR_DANCE, Moves.SPLASH ]);
+
+    game.move.select(Moves.SPLASH, 0);
+    game.move.select(Moves.SPLASH, 1);
+    await game.phaseInterceptor.to(CommandPhase);
+    await game.toNextTurn();
+
+    // Bulbasaur should still be burned and have used a PP for splash and not at max hp
+    expect(bulbasaur.status?.effect).toBe(StatusEffect.BURN);
+    expect(bulbasaur.moveset[1]?.ppUsed).toBe(1);
+    expect(bulbasaur.hp).toBeLessThan(bulbasaur.getMaxHp());
+
+    // Switch out Bulbasaur for Rattata so we can swtich bulbasaur back in with lunar dance
+    game.doSwitchPokemon(2);
+    game.move.select(Moves.SPLASH, 1);
+    await game.phaseInterceptor.to(CommandPhase);
+    await game.toNextTurn();
+
+    game.move.select(Moves.SPLASH, 0);
+    game.move.select(Moves.LUNAR_DANCE);
+    game.doSelectPartyPokemon(2);
+    await game.phaseInterceptor.to("SwitchPhase", false);
+    await game.toNextTurn();
+
+    // Bulbasaur should NOT have any status and have full PP for splash and be at max hp
+    expect(bulbasaur.status?.effect).toBeUndefined();
+    expect(bulbasaur.moveset[1]?.ppUsed).toBe(0);
+    expect(bulbasaur.isFullHp()).toBe(true);
+
+    game.move.select(Moves.SPLASH, 0);
+    game.move.select(Moves.LUNAR_DANCE);
+    await game.phaseInterceptor.to(CommandPhase);
+    await game.toNextTurn();
+
+    // Using Lunar dance again should fail because nothing in party and rattata should be alive
+    expect(rattata.status?.effect).toBe(StatusEffect.BURN);
+    expect(rattata.hp).toBeLessThan(rattata.getMaxHp());
+  });
+});