[Bug] Fix strong winds calculation (#2423)

* Fix strong winds calculation

* add unit test

* Add strong winds effect message

* Update src/locales/de/weather.ts

Co-authored-by: Jannik Tappert <38758606+CodeTappert@users.noreply.github.com>

* Update src/locales/es/weather.ts

Co-authored-by: Jannik Tappert <38758606+CodeTappert@users.noreply.github.com>

* Update src/locales/fr/weather.ts

Co-authored-by: Jannik Tappert <38758606+CodeTappert@users.noreply.github.com>

* Update src/locales/it/weather.ts

Co-authored-by: Jannik Tappert <38758606+CodeTappert@users.noreply.github.com>

* Update src/locales/ko/weather.ts

Co-authored-by: Jannik Tappert <38758606+CodeTappert@users.noreply.github.com>

---------

Co-authored-by: torranx <torranicles@gmail.com>
Co-authored-by: Jannik Tappert <38758606+CodeTappert@users.noreply.github.com>

src/field/pokemon.ts

@@ -1162,7 +1162,15 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     return (!cancelled.value ? Number(typeMultiplier.value) : 0) as TypeDamageMultiplier;
   }
 
-  getAttackTypeEffectiveness(moveType: Type, source?: Pokemon, ignoreStrongWinds: boolean = false): TypeDamageMultiplier {
+  /**
+   * Calculates the type effectiveness multiplier for an attack type
+   * @param moveType Type of the move
+   * @param source the Pokemon using the move
+   * @param ignoreStrongWinds whether or not this ignores strong winds (anticipation, forewarn, stealth rocks)
+   * @param simulated tag to only apply the strong winds effect message when the move is used
+   * @returns a multiplier for the type effectiveness
+   */
+  getAttackTypeEffectiveness(moveType: Type, source?: Pokemon, ignoreStrongWinds: boolean = false, simulated: boolean = true): TypeDamageMultiplier {
     if (moveType === Type.STELLAR) {
       return this.isTerastallized() ? 2 : 1;
     }
@@ -1183,8 +1191,11 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     }).reduce((acc, cur) => acc * cur, 1) as TypeDamageMultiplier;
 
     // Handle strong winds lowering effectiveness of types super effective against pure flying
-    if (!ignoreStrongWinds && this.scene.arena.weather?.weatherType === WeatherType.STRONG_WINDS && !this.scene.arena.weather.isEffectSuppressed(this.scene) && multiplier >= 2 && this.isOfType(Type.FLYING) && getTypeDamageMultiplier(moveType, Type.FLYING) === 2) {
+    if (!ignoreStrongWinds && this.scene.arena.weather?.weatherType === WeatherType.STRONG_WINDS && !this.scene.arena.weather.isEffectSuppressed(this.scene) && this.isOfType(Type.FLYING) && getTypeDamageMultiplier(moveType, Type.FLYING) === 2) {
       multiplier /= 2;
+      if (!simulated) {
+        this.scene.queueMessage(i18next.t("weather:strongWindsEffectMessage"));
+      }
     }
 
     if (!!this.summonData?.tags.find((tag) => tag instanceof TypeImmuneTag && tag.immuneType === moveType)) {
@@ -1739,7 +1750,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     const cancelled = new Utils.BooleanHolder(false);
     const typeless = move.hasAttr(TypelessAttr);
     const typeMultiplier = new Utils.NumberHolder(!typeless && (moveCategory !== MoveCategory.STATUS || move.getAttrs(StatusMoveTypeImmunityAttr).find(attr => types.includes(attr.immuneType)))
-      ? this.getAttackTypeEffectiveness(move.type, source)
+      ? this.getAttackTypeEffectiveness(move.type, source, false, false)
       : 1);
     applyMoveAttrs(VariableMoveTypeMultiplierAttr, source, this, move, typeMultiplier);
     if (typeless) {

src/locales/de/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "Alle Flug-Pokémon werden von rätselhaften Luftströmungen geschützt!",
   "strongWindsLapseMessage": "Die rätselhafte Luftströmung hält an.",
+  "strongWindsEffectMessage": "Rätselhafte Luftströmungen haben den Angriff abgeschwächt!",
   "strongWindsClearMessage": "Die rätselhafte Luftströmung hat sich wieder geleget.",
 };

src/locales/en/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "A heavy wind began!",
   "strongWindsLapseMessage": "The wind blows intensely.",
+  "strongWindsEffectMessage": "The mysterious air current weakened the attack!",
   "strongWindsClearMessage": "The heavy wind stopped."
 };

src/locales/es/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "¡Comenzó un fuerte viento!",
   "strongWindsLapseMessage": "El viento sopla intensamente.",
+  "strongWindsEffectMessage": "¡Las misteriosas turbulencias atenúan el ataque!",
   "strongWindsClearMessage": "El fuerte viento cesó."
 };

src/locales/fr/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "Un vent mystérieux se lève !",
   "strongWindsLapseMessage": "Le vent mystérieux souffle violemment !",
+  "strongWindsEffectMessage": "Le courant aérien mystérieux affaiblit l’attaque !",
   "strongWindsClearMessage": "Le vent mystérieux s’est dissipé…"
 };

src/locales/it/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "È apparsa una corrente d'aria misteriosa!",
   "strongWindsLapseMessage": "La corrente d'aria soffia intensamente.",
+  "strongWindsEffectMessage": "La corrente misteriosa indebolisce l’attacco!",
   "strongWindsClearMessage": "La corrente d'aria è cessata."
 };

src/locales/ko/weather.ts

@@ -41,5 +41,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "수수께끼의 난기류가\n비행포켓몬을 지킨다!",
   "strongWindsLapseMessage": "수수께끼의 난기류가 강렬하게 불고 있다",
+  "strongWindsEffectMessage": "수수께끼의 난기류가 공격을 약하게 만들었다!",
   "strongWindsClearMessage": "수수께끼의 난기류가 멈췄다!" // 임의번역
 };

src/locales/pt_BR/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "Ventos fortes apareceram!",
   "strongWindsLapseMessage": "Os ventos fortes continuam.",
+  "strongWindsEffectMessage": "The mysterious air current weakened the attack!",
   "strongWindsClearMessage": "Os ventos fortes diminuíram.",
 };

src/locales/zh_CN/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "吹起了神秘的乱流！",
   "strongWindsLapseMessage": "神秘的乱流势头不减。",
+  "strongWindsEffectMessage": "The mysterious air current weakened the attack!",
   "strongWindsClearMessage": "神秘的乱流停止了。"
 };

src/locales/zh_TW/weather.ts

@@ -40,5 +40,6 @@ export const weather: SimpleTranslationEntries = {
 
   "strongWindsStartMessage": "吹起了神秘的亂流！",
   "strongWindsLapseMessage": "神秘的亂流勢頭不減。",
+  "strongWindsEffectMessage": "The mysterious air current weakened the attack!",
   "strongWindsClearMessage": "神秘的亂流停止了。"
 };

src/test/arena/weather_strong_winds.test.ts

@@ -0,0 +1,82 @@
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+import Phaser from "phaser";
+import GameManager from "#app/test/utils/gameManager";
+import * as overrides from "#app/overrides";
+import { Species } from "#enums/species";
+import {
+  TurnStartPhase,
+} from "#app/phases";
+import { Moves } from "#enums/moves";
+import { getMovePosition } from "#app/test/utils/gameManagerUtils";
+import { Abilities } from "#enums/abilities";
+import { allMoves } from "#app/data/move.js";
+
+describe("Weather - Strong Winds", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    vi.spyOn(overrides, "SINGLE_BATTLE_OVERRIDE", "get").mockReturnValue(true);
+    vi.spyOn(overrides, "STARTING_LEVEL_OVERRIDE", "get").mockReturnValue(10);
+    vi.spyOn(overrides, "OPP_SPECIES_OVERRIDE", "get").mockReturnValue(Species.TAILLOW);
+    vi.spyOn(overrides, "OPP_ABILITY_OVERRIDE", "get").mockReturnValue(Abilities.DELTA_STREAM);
+    vi.spyOn(overrides, "MOVESET_OVERRIDE", "get").mockReturnValue([Moves.THUNDERBOLT, Moves.ICE_BEAM, Moves.ROCK_SLIDE]);
+  });
+
+  it("electric type move is not very effective on Rayquaza", async () => {
+    vi.spyOn(overrides, "OPP_SPECIES_OVERRIDE", "get").mockReturnValue(Species.RAYQUAZA);
+
+    await game.startBattle([Species.PIKACHU]);
+    const pikachu = game.scene.getPlayerPokemon();
+    const enemy = game.scene.getEnemyPokemon();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.THUNDERBOLT));
+
+    await game.phaseInterceptor.to(TurnStartPhase);
+    expect(enemy.getAttackTypeEffectiveness(allMoves[Moves.THUNDERBOLT].type, pikachu)).toBe(0.5);
+  });
+
+  it("electric type move is neutral for flying type pokemon", async () => {
+    await game.startBattle([Species.PIKACHU]);
+    const pikachu = game.scene.getPlayerPokemon();
+    const enemy = game.scene.getEnemyPokemon();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.THUNDERBOLT));
+
+    await game.phaseInterceptor.to(TurnStartPhase);
+    expect(enemy.getAttackTypeEffectiveness(allMoves[Moves.THUNDERBOLT].type, pikachu)).toBe(1);
+  });
+
+  it("ice type move is neutral for flying type pokemon", async () => {
+    await game.startBattle([Species.PIKACHU]);
+    const pikachu = game.scene.getPlayerPokemon();
+    const enemy = game.scene.getEnemyPokemon();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.ICE_BEAM));
+
+    await game.phaseInterceptor.to(TurnStartPhase);
+    expect(enemy.getAttackTypeEffectiveness(allMoves[Moves.ICE_BEAM].type, pikachu)).toBe(1);
+  });
+
+  it("rock type move is neutral for flying type pokemon", async () => {
+    await game.startBattle([Species.PIKACHU]);
+    const pikachu = game.scene.getPlayerPokemon();
+    const enemy = game.scene.getEnemyPokemon();
+
+    game.doAttack(getMovePosition(game.scene, 0, Moves.ROCK_SLIDE));
+
+    await game.phaseInterceptor.to(TurnStartPhase);
+    expect(enemy.getAttackTypeEffectiveness(allMoves[Moves.ROCK_SLIDE].type, pikachu)).toBe(1);
+  });
+});