Merge b393cf8914 into 1ff2701964

fix: wrap setOverlayMode args in array to mystery-encounter

Co-authored-by: Sirz Benjie <142067137+SirzBenjie@users.noreply.github.com>

src/data/abilities/ability.ts

@@ -6542,13 +6542,26 @@ export class PostFaintContactDamageAbAttr extends PostFaintAbAttr {
     _hitResult?: HitResult,
     ..._args: any[]
   ): boolean {
-    const diedToDirectDamage =
-      move !== undefined &&
-      attacker !== undefined &&
-      move.doesFlagEffectApply({ flag: MoveFlags.MAKES_CONTACT, user: attacker, target: pokemon });
+    // Return early if ability user did not die to a direct-contact attack.
+    if (
+      move === undefined ||
+      attacker === undefined ||
+      !move.doesFlagEffectApply({ flag: MoveFlags.MAKES_CONTACT, user: attacker, target: pokemon })
+    ) {
+      return false;
+    }
+
     const cancelled = new BooleanHolder(false);
-    globalScene.getField(true).map(p => applyAbAttrs("FieldPreventExplosiveMovesAbAttr", p, cancelled, simulated));
-    return !(!diedToDirectDamage || cancelled.value || attacker!.hasAbilityWithAttr("BlockNonDirectDamageAbAttr"));
+    // TODO: This should be in speed order
+    globalScene.getField(true).forEach(p => applyAbAttrs("FieldPreventExplosiveMovesAbAttr", p, cancelled, simulated));
+
+    if (cancelled.value) {
+      return false;
+    }
+
+    // TODO: Does aftermath display text if the attacker has Magic Guard?
+    applyAbAttrs("BlockNonDirectDamageAbAttr", attacker, cancelled);
+    return !cancelled.value;
   }
 
   override applyPostFaint(
@@ -6557,15 +6570,15 @@ export class PostFaintContactDamageAbAttr extends PostFaintAbAttr {
     simulated: boolean,
     attacker?: Pokemon,
     _move?: Move,
-    _hitResult?: HitResult,
-    ..._args: any[]
   ): void {
-    if (!simulated) {
-      attacker!.damageAndUpdate(toDmgValue(attacker!.getMaxHp() * (1 / this.damageRatio)), {
-        result: HitResult.INDIRECT,
-      });
-      attacker!.turnData.damageTaken += toDmgValue(attacker!.getMaxHp() * (1 / this.damageRatio));
+    if (simulated) {
+      return;
     }
+
+    attacker!.damageAndUpdate(toDmgValue(attacker!.getMaxHp() * (1 / this.damageRatio)), {
+      result: HitResult.INDIRECT,
+    });
+    attacker!.turnData.damageTaken += toDmgValue(attacker!.getMaxHp() * (1 / this.damageRatio));
   }
 
   getTriggerMessage(pokemon: Pokemon, abilityName: string, ..._args: any[]): string {
@@ -6577,27 +6590,38 @@ export class PostFaintContactDamageAbAttr extends PostFaintAbAttr {
 }
 
 /**
- * Attribute used for abilities (Innards Out) that damage the opponent based on how much HP the last attack used to knock out the owner of the ability.
+ * Attribute used for abilities that damage an opponent who faints the ability holder
+ * equal to the amount of damage the last attack inflicted.
+ *
+ * Used for {@linkcode Abilities.INNARDS_OUT}.
  */
 export class PostFaintHPDamageAbAttr extends PostFaintAbAttr {
   override applyPostFaint(
     pokemon: Pokemon,
     _passive: boolean,
-    simulated: boolean,
+    _simulated: boolean,
     attacker?: Pokemon,
     move?: Move,
-    _hitResult?: HitResult,
-    ..._args: any[]
   ): void {
-    //If the mon didn't die to indirect damage
-    if (move !== undefined && attacker !== undefined && !simulated) {
-      const damage = pokemon.turnData.attacksReceived[0].damage;
-      attacker.damageAndUpdate(damage, { result: HitResult.INDIRECT });
-      attacker.turnData.damageTaken += damage;
+    // return early if the user died to indirect damage, target has magic guard or was KO'd by an ally
+    if (move === undefined || attacker === undefined || attacker.getAlly() === pokemon) {
+      return;
     }
+
+    // TODO: Confirm that magic guard's flyout shows here?
+    const cancelled = new BooleanHolder(false);
+    applyAbAttrs("BlockNonDirectDamageAbAttr", attacker, cancelled);
+    if (cancelled.value) {
+      return;
+    }
+
+    const damage = pokemon.turnData.attacksReceived[0].damage;
+    attacker.damageAndUpdate(damage, { result: HitResult.INDIRECT });
+    attacker.turnData.damageTaken += damage;
   }
 
-  getTriggerMessage(pokemon: Pokemon, abilityName: string, ..._args: any[]): string {
+  // Oddly, Innards Out still shows a flyout if the effect was blocked due to Magic Guard...
+  override getTriggerMessage(pokemon: Pokemon, abilityName: string): string {
     return i18next.t("abilityTriggers:postFaintHpDamage", {
       pokemonNameWithAffix: getPokemonNameWithAffix(pokemon),
       abilityName,

src/data/moves/move.ts

@@ -93,6 +93,10 @@ import { ChargingMove, MoveAttrMap, MoveAttrString, MoveKindString, MoveClassMap
 import { applyMoveAttrs } from "./apply-attrs";
 import { frenzyMissFunc, getMoveTargets } from "./move-utils";
 
+/**
+ * A function used to conditionally determine execution of a given {@linkcode MoveAttr}.
+ * Conventionally returns `true` for success and `false` for failure.
+*/
 type MoveConditionFunc = (user: Pokemon, target: Pokemon, move: Move) => boolean;
 export type UserMoveConditionFunc = (user: Pokemon, move: Move) => boolean;
 
@@ -1390,18 +1394,31 @@ export class BeakBlastHeaderAttr extends AddBattlerTagHeaderAttr {
   }
 }
 
+/**
+ * Attribute to display a message before a move is executed.
+ */
 export class PreMoveMessageAttr extends MoveAttr {
-  private message: string | ((user: Pokemon, target: Pokemon, move: Move) => string);
+  /** The message to display or a function returning one */
+  private message: string | ((user: Pokemon, target: Pokemon, move: Move) => string | undefined);
 
+  /**
+   * Create a new {@linkcode PreMoveMessageAttr} to display a message before move execution.
+   * @param message - The message to display before move use, either as a string or a function producing one.
+   * @remarks
+   * If {@linkcode message} evaluates to an empty string (`''`), no message will be displayed
+   * (though the move will still succeed).
+   */
   constructor(message: string | ((user: Pokemon, target: Pokemon, move: Move) => string)) {
     super();
     this.message = message;
   }
 
-  apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    const message = typeof this.message === "string"
-      ? this.message as string
-      : this.message(user, target, move);
+  apply(user: Pokemon, target: Pokemon, move: Move, _args: any[]): boolean {
+    const message = typeof this.message === "function"
+      ? this.message(user, target, move)
+      : this.message;
+
+    // TODO: Consider changing if/when MoveAttr `apply` return values become significant
     if (message) {
       globalScene.phaseManager.queueMessage(message, 500);
       return true;
@@ -11299,7 +11316,11 @@ export function initMoves() {
       .attr(ForceSwitchOutAttr, true, SwitchType.SHED_TAIL)
       .condition(failIfLastInPartyCondition),
     new SelfStatusMove(MoveId.CHILLY_RECEPTION, PokemonType.ICE, -1, 10, -1, 0, 9)
-      .attr(PreMoveMessageAttr, (user, move) => i18next.t("moveTriggers:chillyReception", { pokemonName: getPokemonNameWithAffix(user) }))
+      .attr(PreMoveMessageAttr, (user, _target, _move) =>
+        // Don't display text if current move phase is follow up (ie move called indirectly)
+        isVirtual((globalScene.phaseManager.getCurrentPhase() as MovePhase).useMode)
+          ? ""
+          : i18next.t("moveTriggers:chillyReception", { pokemonName: getPokemonNameWithAffix(user) }))
       .attr(ChillyReceptionAttr, true),
     new SelfStatusMove(MoveId.TIDY_UP, PokemonType.NORMAL, -1, 10, -1, 0, 9)
       .attr(StatStageChangeAttr, [ Stat.ATK, Stat.SPD ], 1, true)

src/data/mystery-encounters/utils/encounter-pokemon-utils.ts

@@ -751,7 +751,7 @@ export async function catchPokemon(
                       UiMode.POKEDEX_PAGE,
                       pokemon.species,
                       pokemon.formIndex,
-                      attributes,
+                      [attributes],
                       null,
                       () => {
                         globalScene.ui.setMode(UiMode.MESSAGE).then(() => {

src/data/pokemon-species.ts

@@ -764,7 +764,7 @@ export default class PokemonSpecies extends PokemonSpeciesForm implements Locali
   readonly subLegendary: boolean;
   readonly legendary: boolean;
   readonly mythical: boolean;
-  readonly species: string;
+  public category: string;
   readonly growthRate: GrowthRate;
   /** The chance (as a decimal) for this Species to be male, or `null` for genderless species */
   readonly malePercent: number | null;
@@ -778,7 +778,7 @@ export default class PokemonSpecies extends PokemonSpeciesForm implements Locali
     subLegendary: boolean,
     legendary: boolean,
     mythical: boolean,
-    species: string,
+    category: string,
     type1: PokemonType,
     type2: PokemonType | null,
     height: number,
@@ -829,7 +829,7 @@ export default class PokemonSpecies extends PokemonSpeciesForm implements Locali
     this.subLegendary = subLegendary;
     this.legendary = legendary;
     this.mythical = mythical;
-    this.species = species;
+    this.category = category;
     this.growthRate = growthRate;
     this.malePercent = malePercent;
     this.genderDiffs = genderDiffs;
@@ -968,6 +968,7 @@ export default class PokemonSpecies extends PokemonSpeciesForm implements Locali
 
   localize(): void {
     this.name = i18next.t(`pokemon:${SpeciesId[this.speciesId].toLowerCase()}`);
+    this.category = i18next.t(`pokemonCategory:${SpeciesId[this.speciesId].toLowerCase()}_category`);
   }
 
   getWildSpeciesForLevel(level: number, allowEvolving: boolean, isBoss: boolean, gameMode: GameMode): SpeciesId {

src/phases/move-phase.ts

@@ -668,6 +668,9 @@ export class MovePhase extends BattlePhase {
       }),
       500,
     );
+
+    // Moves with pre-use messages (Magnitude, Chilly Reception, Fickle Beam, etc.) always display their messages even on failure
+    // TODO: This assumes single target for message funcs - is this sustainable?
     applyMoveAttrs("PreMoveMessageAttr", this.pokemon, this.pokemon.getOpponents(false)[0], this.move.getMove());
   }
 

src/plugins/i18n.ts

@@ -245,6 +245,7 @@ export async function initI18n(): Promise<void> {
       "pokeball",
       "pokedexUiHandler",
       "pokemon",
+      "pokemonCategory",
       "pokemonEvolutions",
       "pokemonForm",
       "pokemonInfo",

src/ui/pokedex-page-ui-handler.ts

@@ -174,6 +174,7 @@ export default class PokedexPageUiHandler extends MessageUiHandler {
   private pokemonCaughtHatchedContainer: Phaser.GameObjects.Container;
   private pokemonCaughtCountText: Phaser.GameObjects.Text;
   private pokemonFormText: Phaser.GameObjects.Text;
+  private pokemonCategoryText: Phaser.GameObjects.Text;
   private pokemonHatchedIcon: Phaser.GameObjects.Sprite;
   private pokemonHatchedCountText: Phaser.GameObjects.Text;
   private pokemonShinyIcons: Phaser.GameObjects.Sprite[];
@@ -409,6 +410,12 @@ export default class PokedexPageUiHandler extends MessageUiHandler {
     this.pokemonFormText.setOrigin(0, 0);
     this.starterSelectContainer.add(this.pokemonFormText);
 
+    this.pokemonCategoryText = addTextObject(100, 18, "Category", TextStyle.WINDOW_ALT, {
+      fontSize: "42px",
+    });
+    this.pokemonCategoryText.setOrigin(1, 0);
+    this.starterSelectContainer.add(this.pokemonCategoryText);
+
     this.pokemonCaughtHatchedContainer = globalScene.add.container(2, 25);
     this.pokemonCaughtHatchedContainer.setScale(0.5);
     this.starterSelectContainer.add(this.pokemonCaughtHatchedContainer);
@@ -2354,6 +2361,7 @@ export default class PokedexPageUiHandler extends MessageUiHandler {
         this.pokemonCaughtHatchedContainer.setVisible(true);
         this.pokemonCandyContainer.setVisible(false);
         this.pokemonFormText.setVisible(false);
+        this.pokemonCategoryText.setVisible(false);
 
         const defaultDexAttr = globalScene.gameData.getSpeciesDefaultDexAttr(species, true, true);
         const props = globalScene.gameData.getSpeciesDexAttrProps(species, defaultDexAttr);
@@ -2382,6 +2390,7 @@ export default class PokedexPageUiHandler extends MessageUiHandler {
       this.pokemonCaughtHatchedContainer.setVisible(false);
       this.pokemonCandyContainer.setVisible(false);
       this.pokemonFormText.setVisible(false);
+      this.pokemonCategoryText.setVisible(false);
 
       this.setSpeciesDetails(species!, {
         // TODO: is this bang correct?
@@ -2534,6 +2543,13 @@ export default class PokedexPageUiHandler extends MessageUiHandler {
         this.pokemonNameText.setText(species ? "???" : "");
       }
 
+      // Setting the category
+      if (isFormCaught) {
+        this.pokemonCategoryText.setText(species.category);
+      } else {
+        this.pokemonCategoryText.setText("");
+      }
+
       // Setting tint of the sprite
       if (isFormCaught) {
         this.species.loadAssets(female!, formIndex, shiny, variant as Variant, true).then(() => {

test/abilities/innards-out.test.ts

@@ -0,0 +1,62 @@
+import { AbilityId } from "#enums/ability-id";
+import { MoveId } from "#enums/move-id";
+import { SpeciesId } from "#enums/species-id";
+import GameManager from "#test/testUtils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+
+describe("Abilities - Innards Out", () => {
+  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
+      .ability(AbilityId.BALL_FETCH)
+      .battleStyle("single")
+      .criticalHits(false)
+      .enemySpecies(SpeciesId.MAGIKARP)
+      .enemyAbility(AbilityId.INNARDS_OUT)
+      .enemyMoveset(MoveId.SPLASH)
+      .startingLevel(100);
+  });
+
+  it("should damage opppnents that faint the ability holder for equal damage", async () => {
+    await game.classicMode.startBattle([SpeciesId.FEEBAS]);
+
+    const magikarp = game.field.getEnemyPokemon();
+    magikarp.hp = 20;
+    game.move.use(MoveId.X_SCISSOR);
+    await game.toEndOfTurn();
+
+    expect(magikarp.isFainted()).toBe(true);
+    const feebas = game.field.getPlayerPokemon();
+    expect(feebas.getInverseHp()).toBe(20);
+  });
+
+  it("should not damage an ally in Double Battles", async () => {
+    game.override.battleStyle("double");
+    await game.classicMode.startBattle([SpeciesId.FEEBAS]);
+
+    const [magikarp1, magikarp2] = game.scene.getEnemyField();
+    magikarp1.hp = 1;
+
+    game.move.use(MoveId.PROTECT);
+    await game.move.forceEnemyMove(MoveId.SPLASH);
+    await game.move.forceEnemyMove(MoveId.SURF);
+    await game.toEndOfTurn();
+
+    expect(magikarp1.isFainted()).toBe(true);
+    expect(magikarp2.getInverseHp()).toBe(0);
+  });
+});

test/abilities/magic_guard.test.ts

@@ -1,19 +1,18 @@
-import { getArenaTag } from "#app/data/arena-tag";
+import { BattlerIndex } from "#enums/battler-index";
 import { ArenaTagSide } from "#enums/arena-tag-side";
+import { allMoves } from "#app/data/data-lists";
 import { getStatusEffectCatchRateMultiplier } from "#app/data/status-effect";
-import { TurnEndPhase } from "#app/phases/turn-end-phase";
+import { toDmgValue } from "#app/utils/common";
 import { AbilityId } from "#enums/ability-id";
 import { ArenaTagType } from "#enums/arena-tag-type";
-import { BattlerTagType } from "#enums/battler-tag-type";
 import { MoveId } from "#enums/move-id";
 import { SpeciesId } from "#enums/species-id";
 import { StatusEffect } from "#enums/status-effect";
-import { WeatherType } from "#enums/weather-type";
 import GameManager from "#test/testUtils/gameManager";
 import Phaser from "phaser";
-import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
 
-describe("Abilities - Magic Guard", () => {
+describe("AbilityId - Magic Guard", () => {
   let phaserGame: Phaser.Game;
   let game: GameManager;
 
@@ -29,404 +28,142 @@ describe("Abilities - Magic Guard", () => {
 
   beforeEach(() => {
     game = new GameManager(phaserGame);
-
     game.override
-      /** Player Pokemon overrides */
       .ability(AbilityId.MAGIC_GUARD)
-      .moveset([MoveId.SPLASH])
+      .enemySpecies(SpeciesId.BLISSEY)
+      .enemyAbility(AbilityId.NO_GUARD)
       .startingLevel(100)
-      /** Enemy Pokemon overrides */
-      .enemySpecies(SpeciesId.SNORLAX)
-      .enemyAbility(AbilityId.INSOMNIA)
-      .enemyMoveset(MoveId.SPLASH)
       .enemyLevel(100);
   });
 
   //Bulbapedia Reference: https://bulbapedia.bulbagarden.net/wiki/Magic_Guard_(Ability)
 
-  it("ability should prevent damage caused by weather", async () => {
-    game.override.weather(WeatherType.SANDSTORM);
-
+  it.each<{ name: string; move?: MoveId; enemyMove?: MoveId }>([
+    { name: "Non-Volatile Status Conditions", enemyMove: MoveId.TOXIC },
+    { name: "Volatile Status Conditions", enemyMove: MoveId.LEECH_SEED },
+    { name: "Crash Damage", move: MoveId.HIGH_JUMP_KICK },
+    { name: "Variable Recoil Moves", move: MoveId.DOUBLE_EDGE },
+    { name: "HP% Recoil Moves", move: MoveId.CHLOROBLAST },
+  ])("should prevent damage from $name", async ({ move = MoveId.SPLASH, enemyMove = MoveId.SPLASH }) => {
     await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
+    // force a miss on HJK
+    vi.spyOn(allMoves[MoveId.HIGH_JUMP_KICK], "accuracy", "get").mockReturnValue(0);
 
-    const leadPokemon = game.scene.getPlayerPokemon()!;
+    game.move.use(move);
+    await game.move.forceEnemyMove(enemyMove);
+    await game.toEndOfTurn();
 
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-    expect(enemyPokemon).toBeDefined();
-
-    game.move.select(MoveId.SPLASH);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) has not taken damage from weather
-     * - The enemy Pokemon (without Magic Guard) has taken damage from weather
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-    expect(enemyPokemon.hp).toBeLessThan(enemyPokemon.getMaxHp());
+    const magikarp = game.field.getPlayerPokemon();
+    expect(magikarp.hp).toBe(magikarp.getMaxHp());
   });
 
-  it("ability should prevent damage caused by status effects but other non-damage effects still apply", async () => {
-    //Toxic keeps track of the turn counters -> important that Magic Guard keeps track of post-Toxic turns
-    game.override.statusEffect(StatusEffect.POISON);
+  it.each<{ abName: string; move?: MoveId; enemyMove?: MoveId; passive?: AbilityId; enemyAbility?: AbilityId }>([
+    { abName: "Bad Dreams", enemyMove: MoveId.SPORE, enemyAbility: AbilityId.BAD_DREAMS },
+    { abName: "Aftermath", move: MoveId.PSYCHIC_FANGS, enemyAbility: AbilityId.AFTERMATH },
+    { abName: "Innards Out", move: MoveId.PSYCHIC_FANGS, enemyAbility: AbilityId.INNARDS_OUT },
+    { abName: "Rough Skin", move: MoveId.PSYCHIC_FANGS, enemyAbility: AbilityId.ROUGH_SKIN },
+    { abName: "Dry Skin", move: MoveId.SUNNY_DAY, passive: AbilityId.DRY_SKIN },
+    { abName: "Liquid Ooze", move: MoveId.DRAIN_PUNCH, enemyAbility: AbilityId.LIQUID_OOZE },
+  ])(
+    "should prevent damage from $abName",
+    async ({
+      move = MoveId.SPLASH,
+      enemyMove = MoveId.SPLASH,
+      passive = AbilityId.BALL_FETCH,
+      enemyAbility = AbilityId.BALL_FETCH,
+    }) => {
+      game.override.enemyLevel(1).passiveAbility(passive).enemyAbility(enemyAbility);
+      await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
 
+      game.move.use(move);
+      await game.move.forceEnemyMove(enemyMove);
+      await game.toEndOfTurn();
+
+      const magikarp = game.field.getPlayerPokemon();
+      expect(magikarp.hp).toBe(magikarp.getMaxHp());
+    },
+  );
+
+  it.each<{ name: string; move?: MoveId; enemyMove?: MoveId }>([
+    { name: "Struggle recoil", move: MoveId.STRUGGLE },
+    { name: "Self-induced HP cutting", move: MoveId.BELLY_DRUM },
+    { name: "Confusion self-damage", enemyMove: MoveId.CONFUSE_RAY },
+  ])("should not prevent damage from $name", async ({ move = MoveId.SPLASH, enemyMove = MoveId.SPLASH }) => {
+    game.override.confusionActivation(true);
     await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
 
-    const leadPokemon = game.scene.getPlayerPokemon()!;
+    game.move.use(move);
+    await game.move.forceEnemyMove(enemyMove);
+    await game.setTurnOrder([BattlerIndex.ENEMY, BattlerIndex.PLAYER]); // For confuse ray
+    await game.toEndOfTurn();
 
-    game.move.select(MoveId.SPLASH);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) has not taken damage from poison
-     * - The Pokemon's CatchRateMultiplier should be 1.5
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-    expect(getStatusEffectCatchRateMultiplier(leadPokemon.status!.effect)).toBe(1.5);
-  });
-
-  it("ability effect should not persist when the ability is replaced", async () => {
-    game.override.enemyMoveset(MoveId.WORRY_SEED).statusEffect(StatusEffect.POISON);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.SPLASH);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (that just lost its Magic Guard ability) has taken damage from poison
-     */
+    const leadPokemon = game.field.getPlayerPokemon();
     expect(leadPokemon.hp).toBeLessThan(leadPokemon.getMaxHp());
   });
 
-  it("Magic Guard prevents damage caused by burn but other non-damaging effects are still applied", async () => {
-    game.override.enemyStatusEffect(StatusEffect.BURN).enemyAbility(AbilityId.MAGIC_GUARD);
-
+  it("should preserve toxic turn count and deal appropriate damage when disabled", async () => {
+    game.override.statusEffect(StatusEffect.TOXIC);
     await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
 
-    game.move.select(MoveId.SPLASH);
+    game.move.use(MoveId.SPLASH);
+    await game.move.forceEnemyMove(MoveId.SPLASH);
+    await game.toNextTurn();
 
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
+    const magikarp = game.field.getPlayerPokemon();
+    expect(magikarp.hp).toBe(magikarp.getMaxHp());
+    expect(magikarp.status?.toxicTurnCount).toBe(1);
 
-    await game.phaseInterceptor.to(TurnEndPhase);
+    // have a few turns pass
+    game.move.use(MoveId.SPLASH);
+    await game.toNextTurn();
+    game.move.use(MoveId.SPLASH);
+    await game.toNextTurn();
+    game.move.use(MoveId.SPLASH);
+    await game.toNextTurn();
+    expect(magikarp.status?.toxicTurnCount).toBe(4);
 
-    /**
-     * Expect:
-     * - The enemy Pokemon (with Magic Guard) has not taken damage from burn
-     * - The enemy Pokemon's physical attack damage is halved (TBD)
-     * - The enemy Pokemon's hypothetical CatchRateMultiplier should be 1.5
-     */
-    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
-    expect(getStatusEffectCatchRateMultiplier(enemyPokemon.status!.effect)).toBe(1.5);
+    game.move.use(MoveId.SPLASH);
+    await game.move.forceEnemyMove(MoveId.GASTRO_ACID);
+    await game.toNextTurn();
+
+    expect(magikarp.status?.toxicTurnCount).toBe(5);
+    expect(magikarp.getHpRatio(true)).toBeCloseTo(11 / 16, 1);
   });
 
-  it("Magic Guard prevents damage caused by toxic but other non-damaging effects are still applied", async () => {
-    game.override.enemyStatusEffect(StatusEffect.TOXIC).enemyAbility(AbilityId.MAGIC_GUARD);
-
+  it("should preserve burn physical damage halving & status catch boost", async () => {
     await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
 
-    game.move.select(MoveId.SPLASH);
+    // NB: Burn applies directly to the physical dmg formula, so we can't just check attack here
+    game.move.use(MoveId.TACKLE);
+    await game.move.forceEnemyMove(MoveId.WILL_O_WISP);
+    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.ENEMY]);
+    await game.toNextTurn();
 
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
+    const magikarp = game.field.getPlayerPokemon();
+    expect(magikarp.hp).toBe(magikarp.getMaxHp());
+    expect(magikarp.status?.effect).toBe(StatusEffect.BURN);
 
-    const toxicStartCounter = enemyPokemon.status!.toxicTurnCount;
-    //should be 0
+    const blissey = game.field.getEnemyPokemon();
+    const prevDmg = blissey.getInverseHp();
+    blissey.hp = blissey.getMaxHp();
 
-    await game.phaseInterceptor.to(TurnEndPhase);
+    expect(getStatusEffectCatchRateMultiplier(magikarp.status!.effect)).toBe(1.5);
 
-    /**
-     * Expect:
-     * - The enemy Pokemon (with Magic Guard) has not taken damage from toxic
-     * - The enemy Pokemon's status effect duration should be incremented
-     * - The enemy Pokemon's hypothetical CatchRateMultiplier should be 1.5
-     */
-    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
-    expect(enemyPokemon.status!.toxicTurnCount).toBeGreaterThan(toxicStartCounter);
-    expect(getStatusEffectCatchRateMultiplier(enemyPokemon.status!.effect)).toBe(1.5);
+    game.move.use(MoveId.TACKLE);
+    await game.toNextTurn();
+
+    const burntDmg = blissey.getInverseHp();
+    expect(burntDmg).toBeCloseTo(toDmgValue(prevDmg / 2), 0);
   });
 
-  it("Magic Guard prevents damage caused by entry hazards", async () => {
-    //Adds and applies Spikes to both sides of the arena
-    const newTag = getArenaTag(ArenaTagType.SPIKES, 5, MoveId.SPIKES, 0, 0, ArenaTagSide.BOTH)!;
-    game.scene.arena.tags.push(newTag);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.SPLASH);
-
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) has not taken damage from spikes
-     * - The enemy Pokemon (without Magic Guard) has taken damage from spikes
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-    expect(enemyPokemon.hp).toBeLessThan(enemyPokemon.getMaxHp());
-  });
-
-  it("Magic Guard does not prevent poison from Toxic Spikes", async () => {
-    //Adds and applies Spikes to both sides of the arena
-    const playerTag = getArenaTag(ArenaTagType.TOXIC_SPIKES, 5, MoveId.TOXIC_SPIKES, 0, 0, ArenaTagSide.PLAYER)!;
-    const enemyTag = getArenaTag(ArenaTagType.TOXIC_SPIKES, 5, MoveId.TOXIC_SPIKES, 0, 0, ArenaTagSide.ENEMY)!;
-    game.scene.arena.tags.push(playerTag);
-    game.scene.arena.tags.push(enemyTag);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.SPLASH);
-
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - Both Pokemon gain the poison status effect
-     * - The player Pokemon (with Magic Guard) has not taken damage from poison
-     * - The enemy Pokemon (without Magic Guard) has taken damage from poison
-     */
-    expect(leadPokemon.status!.effect).toBe(StatusEffect.POISON);
-    expect(enemyPokemon.status!.effect).toBe(StatusEffect.POISON);
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-    expect(enemyPokemon.hp).toBeLessThan(enemyPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents against damage from volatile status effects", async () => {
-    await game.classicMode.startBattle([SpeciesId.DUSKULL]);
-    game.override.moveset([MoveId.CURSE]).enemyAbility(AbilityId.MAGIC_GUARD);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.CURSE);
-
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) has cut its HP to inflict curse
-     * - The enemy Pokemon (with Magic Guard) is cursed
-     * - The enemy Pokemon (with Magic Guard) does not lose HP from being cursed
-     */
-    expect(leadPokemon.hp).toBeLessThan(leadPokemon.getMaxHp());
-    expect(enemyPokemon.getTag(BattlerTagType.CURSED)).not.toBe(undefined);
-    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents crash damage", async () => {
-    game.override.moveset([MoveId.HIGH_JUMP_KICK]);
+  it("should prevent damage from entry hazards, but not Toxic Spikes poison", async () => {
+    game.scene.arena.addTag(ArenaTagType.SPIKES, -1, MoveId.SPIKES, 0, ArenaTagSide.PLAYER);
+    game.scene.arena.addTag(ArenaTagType.TOXIC_SPIKES, -1, MoveId.TOXIC_SPIKES, 0, ArenaTagSide.PLAYER);
     await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
 
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.HIGH_JUMP_KICK);
-    await game.move.forceMiss();
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) misses High Jump Kick but does not lose HP as a result
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents damage from recoil", async () => {
-    game.override.moveset([MoveId.TAKE_DOWN]);
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.TAKE_DOWN);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) uses a recoil move but does not lose HP from recoil
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-  });
-
-  it("Magic Guard does not prevent damage from Struggle's recoil", async () => {
-    game.override.moveset([MoveId.STRUGGLE]);
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.STRUGGLE);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) uses Struggle but does lose HP from Struggle's recoil
-     */
-    expect(leadPokemon.hp).toBeLessThan(leadPokemon.getMaxHp());
-  });
-
-  //This tests different move attributes than the recoil tests above
-  it("Magic Guard prevents self-damage from attacking moves", async () => {
-    game.override.moveset([MoveId.STEEL_BEAM]);
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.STEEL_BEAM);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) uses a move with an HP cost but does not lose HP from using it
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-  });
-
-  /*
-  it("Magic Guard does not prevent self-damage from confusion", async () => {
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    game.move.select(MoveId.CHARM);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-  });
-*/
-
-  it("Magic Guard does not prevent self-damage from non-attacking moves", async () => {
-    game.override.moveset([MoveId.BELLY_DRUM]);
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.BELLY_DRUM);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) uses a non-attacking move with an HP cost and thus loses HP from using it
-     */
-    expect(leadPokemon.hp).toBeLessThan(leadPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents damage from abilities with PostTurnHurtIfSleepingAbAttr", async () => {
-    //Tests the ability Bad Dreams
-    game.override.statusEffect(StatusEffect.SLEEP);
-    //enemy pokemon is given Spore just in case player pokemon somehow awakens during test
-    game.override
-      .enemyMoveset([MoveId.SPORE, MoveId.SPORE, MoveId.SPORE, MoveId.SPORE])
-      .enemyAbility(AbilityId.BAD_DREAMS);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    game.move.select(MoveId.SPLASH);
-
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) should not lose HP due to this ability attribute
-     * - The player Pokemon is asleep
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-    expect(leadPokemon.status!.effect).toBe(StatusEffect.SLEEP);
-  });
-
-  it("Magic Guard prevents damage from abilities with PostFaintContactDamageAbAttr", async () => {
-    //Tests the abilities Innards Out/Aftermath
-    game.override.moveset([MoveId.TACKLE]).enemyAbility(AbilityId.AFTERMATH);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-    enemyPokemon.hp = 1;
-
-    game.move.select(MoveId.TACKLE);
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) should not lose HP due to this ability attribute
-     * - The enemy Pokemon has fainted
-     */
-    expect(enemyPokemon.hp).toBe(0);
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents damage from abilities with PostDefendContactDamageAbAttr", async () => {
-    //Tests the abilities Iron Barbs/Rough Skin
-    game.override.moveset([MoveId.TACKLE]).enemyAbility(AbilityId.IRON_BARBS);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-
-    game.move.select(MoveId.TACKLE);
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) should not lose HP due to this ability attribute
-     * - The player Pokemon's move should have connected
-     */
-    expect(enemyPokemon.hp).toBeLessThan(enemyPokemon.getMaxHp());
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents damage from abilities with ReverseDrainAbAttr", async () => {
-    //Tests the ability Liquid Ooze
-    game.override.moveset([MoveId.ABSORB]).enemyAbility(AbilityId.LIQUID_OOZE);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-
-    const enemyPokemon = game.scene.getEnemyPokemon()!;
-
-    game.move.select(MoveId.ABSORB);
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) should not lose HP due to this ability attribute
-     * - The player Pokemon's move should have connected
-     */
-    expect(enemyPokemon.hp).toBeLessThan(enemyPokemon.getMaxHp());
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
-  });
-
-  it("Magic Guard prevents HP loss from abilities with PostWeatherLapseDamageAbAttr", async () => {
-    game.override.passiveAbility(AbilityId.SOLAR_POWER).weather(WeatherType.SUNNY);
-
-    await game.classicMode.startBattle([SpeciesId.MAGIKARP]);
-    const leadPokemon = game.scene.getPlayerPokemon()!;
-    game.move.select(MoveId.SPLASH);
-    await game.phaseInterceptor.to(TurnEndPhase);
-
-    /**
-     * Expect:
-     * - The player Pokemon (with Magic Guard) should not lose HP due to this ability attribute
-     */
-    expect(leadPokemon.hp).toBe(leadPokemon.getMaxHp());
+    // Magic guard prevented damage but not poison
+    const player = game.field.getPlayerPokemon();
+    expect(player.hp).toBe(player.getMaxHp());
+    expect(player.status?.effect).toBe(StatusEffect.POISON);
   });
 });

test/battle/battle.test.ts

@@ -26,7 +26,7 @@ import Phaser from "phaser";
 import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
 import { BiomeId } from "#enums/biome-id";
 
-describe("Test Battle Phase", () => {
+describe("Phase - Battle Phase", () => {
   let phaserGame: Phaser.Game;
   let game: GameManager;
 
@@ -197,47 +197,25 @@ describe("Test Battle Phase", () => {
     await game.phaseInterceptor.runFrom(SelectGenderPhase).to(SummonPhase);
   });
 
-  it("2vs1", async () => {
-    game.override.battleStyle("single");
-    game.override.enemySpecies(SpeciesId.MIGHTYENA);
-    game.override.enemyAbility(AbilityId.HYDRATION);
-    game.override.ability(AbilityId.HYDRATION);
-    await game.classicMode.startBattle([SpeciesId.BLASTOISE, SpeciesId.CHARIZARD]);
-    expect(game.scene.ui?.getMode()).toBe(UiMode.COMMAND);
-    expect(game.scene.phaseManager.getCurrentPhase()!.constructor.name).toBe(CommandPhase.name);
-  }, 20000);
+  it.each([
+    { name: "1v1", double: false, qty: 1 },
+    { name: "2v1", double: false, qty: 2 },
+    { name: "2v2", double: true, qty: 2 },
+    { name: "4v2", double: true, qty: 4 },
+  ])("should not crash when starting $name battle", async ({ double, qty }) => {
+    game.override
+      .battleStyle(double ? "double" : "single")
+      .enemySpecies(SpeciesId.MIGHTYENA)
+      .enemyAbility(AbilityId.HYDRATION)
+      .ability(AbilityId.HYDRATION);
 
-  it("1vs1", async () => {
-    game.override.battleStyle("single");
-    game.override.enemySpecies(SpeciesId.MIGHTYENA);
-    game.override.enemyAbility(AbilityId.HYDRATION);
-    game.override.ability(AbilityId.HYDRATION);
-    await game.classicMode.startBattle([SpeciesId.BLASTOISE]);
-    expect(game.scene.ui?.getMode()).toBe(UiMode.COMMAND);
-    expect(game.scene.phaseManager.getCurrentPhase()!.constructor.name).toBe(CommandPhase.name);
-  }, 20000);
+    await game.classicMode.startBattle(
+      [SpeciesId.BLASTOISE, SpeciesId.CHARIZARD, SpeciesId.DARKRAI, SpeciesId.GABITE].slice(0, qty),
+    );
 
-  it("2vs2", async () => {
-    game.override.battleStyle("double");
-    game.override.enemySpecies(SpeciesId.MIGHTYENA);
-    game.override.enemyAbility(AbilityId.HYDRATION);
-    game.override.ability(AbilityId.HYDRATION);
-    game.override.startingWave(3);
-    await game.classicMode.startBattle([SpeciesId.BLASTOISE, SpeciesId.CHARIZARD]);
     expect(game.scene.ui?.getMode()).toBe(UiMode.COMMAND);
-    expect(game.scene.phaseManager.getCurrentPhase()!.constructor.name).toBe(CommandPhase.name);
-  }, 20000);
-
-  it("4vs2", async () => {
-    game.override.battleStyle("double");
-    game.override.enemySpecies(SpeciesId.MIGHTYENA);
-    game.override.enemyAbility(AbilityId.HYDRATION);
-    game.override.ability(AbilityId.HYDRATION);
-    game.override.startingWave(3);
-    await game.classicMode.startBattle([SpeciesId.BLASTOISE, SpeciesId.CHARIZARD, SpeciesId.DARKRAI, SpeciesId.GABITE]);
-    expect(game.scene.ui?.getMode()).toBe(UiMode.COMMAND);
-    expect(game.scene.phaseManager.getCurrentPhase()!.constructor.name).toBe(CommandPhase.name);
-  }, 20000);
+    expect(game.scene.phaseManager.getCurrentPhase()).toBeInstanceOf(CommandPhase);
+  });
 
   it("kill opponent pokemon", async () => {
     const moveToUse = MoveId.SPLASH;

test/moves/chilly_reception.test.ts

@@ -1,11 +1,14 @@
-import { AbilityId } from "#enums/ability-id";
+import { RandomMoveAttr } from "#app/data/moves/move";
+import { MoveResult } from "#enums/move-result";
+import { getPokemonNameWithAffix } from "#app/messages";
 import { MoveId } from "#enums/move-id";
 import { SpeciesId } from "#enums/species-id";
+import { AbilityId } from "#app/enums/ability-id";
 import { WeatherType } from "#enums/weather-type";
 import GameManager from "#test/testUtils/gameManager";
+import i18next from "i18next";
 import Phaser from "phaser";
-//import { TurnInitPhase } from "#app/phases/turn-init-phase";
-import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
 
 describe("Moves - Chilly Reception", () => {
   let phaserGame: Phaser.Game;
@@ -25,95 +28,121 @@ describe("Moves - Chilly Reception", () => {
     game = new GameManager(phaserGame);
     game.override
       .battleStyle("single")
-      .moveset([MoveId.CHILLY_RECEPTION, MoveId.SNOWSCAPE])
+      .moveset([MoveId.CHILLY_RECEPTION, MoveId.SNOWSCAPE, MoveId.SPLASH, MoveId.METRONOME])
       .enemyMoveset(MoveId.SPLASH)
       .enemyAbility(AbilityId.BALL_FETCH)
       .ability(AbilityId.BALL_FETCH);
   });
 
-  it("should still change the weather if user can't switch out", async () => {
+  it("should display message before use, switch the user out and change the weather to snow", async () => {
+    await game.classicMode.startBattle([SpeciesId.SLOWKING, SpeciesId.MEOWTH]);
+
+    const [slowking, meowth] = game.scene.getPlayerParty();
+
+    game.move.select(MoveId.CHILLY_RECEPTION);
+    game.doSelectPartyPokemon(1);
+    await game.toEndOfTurn();
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
+    expect(game.scene.getPlayerPokemon()).toBe(meowth);
+    expect(slowking.isOnField()).toBe(false);
+    expect(game.phaseInterceptor.log).toContain("SwitchSummonPhase");
+    expect(game.textInterceptor.logs).toContain(
+      i18next.t("moveTriggers:chillyReception", { pokemonName: getPokemonNameWithAffix(slowking) }),
+    );
+  });
+
+  it("should still change weather if user can't switch out", async () => {
     await game.classicMode.startBattle([SpeciesId.SLOWKING]);
 
     game.move.select(MoveId.CHILLY_RECEPTION);
+    await game.toEndOfTurn();
 
-    await game.phaseInterceptor.to("BerryPhase", false);
     expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
+    expect(game.phaseInterceptor.log).not.toContain("SwitchSummonPhase");
+    expect(game.scene.getPlayerPokemon()?.getLastXMoves()[0].result).toBe(MoveResult.SUCCESS);
   });
 
-  it("should switch out even if it's snowing", async () => {
+  it("should still switch out even if weather cannot be changed", async () => {
     await game.classicMode.startBattle([SpeciesId.SLOWKING, SpeciesId.MEOWTH]);
-    // first turn set up snow with snowscape, try chilly reception on second turn
+
+    expect(game.scene.arena.weather?.weatherType).not.toBe(WeatherType.SNOW);
+
+    const [slowking, meowth] = game.scene.getPlayerParty();
+
     game.move.select(MoveId.SNOWSCAPE);
-    await game.phaseInterceptor.to("BerryPhase", false);
+    await game.toNextTurn();
+
     expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
 
-    await game.phaseInterceptor.to("TurnInitPhase", false);
     game.move.select(MoveId.CHILLY_RECEPTION);
     game.doSelectPartyPokemon(1);
+    // TODO: Uncomment lines once wimp out PR fixes force switches to not reset summon data immediately
+    //  await game.phaseInterceptor.to("SwitchSummonPhase", false);
+    //  expect(slowking.getLastXMoves()[0].result).toBe(MoveResult.SUCCESS);
+
+    await game.toEndOfTurn();
 
-    await game.phaseInterceptor.to("BerryPhase", false);
     expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
-    expect(game.scene.getPlayerField()[0].species.speciesId).toBe(SpeciesId.MEOWTH);
+    expect(game.phaseInterceptor.log).toContain("SwitchSummonPhase");
+    expect(game.scene.getPlayerPokemon()).toBe(meowth);
+    expect(slowking.isOnField()).toBe(false);
   });
 
-  it("happy case - switch out and weather changes", async () => {
+  // Source: https://replay.pokemonshowdown.com/gen9ou-2367532550
+  it("should fail (while still displaying message) if neither weather change nor switch out succeeds", async () => {
+    await game.classicMode.startBattle([SpeciesId.SLOWKING]);
+
+    expect(game.scene.arena.weather?.weatherType).not.toBe(WeatherType.SNOW);
+
+    const slowking = game.scene.getPlayerPokemon()!;
+
+    game.move.select(MoveId.SNOWSCAPE);
+    await game.toNextTurn();
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
+
+    game.move.select(MoveId.CHILLY_RECEPTION);
+    game.doSelectPartyPokemon(1);
+    await game.toEndOfTurn();
+
+    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
+    expect(game.phaseInterceptor.log).not.toContain("SwitchSummonPhase");
+    expect(game.scene.getPlayerPokemon()).toBe(slowking);
+    expect(slowking.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
+    expect(game.textInterceptor.logs).toContain(
+      i18next.t("moveTriggers:chillyReception", { pokemonName: getPokemonNameWithAffix(slowking) }),
+    );
+  });
+
+  it("should succeed without message if called indirectly", async () => {
+    vi.spyOn(RandomMoveAttr.prototype, "getMoveOverride").mockReturnValue(MoveId.CHILLY_RECEPTION);
     await game.classicMode.startBattle([SpeciesId.SLOWKING, SpeciesId.MEOWTH]);
 
-    game.move.select(MoveId.CHILLY_RECEPTION);
-    game.doSelectPartyPokemon(1);
+    const [slowking, meowth] = game.scene.getPlayerParty();
+
+    game.move.select(MoveId.METRONOME);
+    game.doSelectPartyPokemon(1);
+    await game.toEndOfTurn();
 
-    await game.phaseInterceptor.to("BerryPhase", false);
     expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
-    expect(game.scene.getPlayerField()[0].species.speciesId).toBe(SpeciesId.MEOWTH);
+    expect(game.scene.getPlayerPokemon()).toBe(meowth);
+    expect(slowking.isOnField()).toBe(false);
+    expect(game.phaseInterceptor.log).toContain("SwitchSummonPhase");
+    expect(game.textInterceptor.logs).not.toContain(
+      i18next.t("moveTriggers:chillyReception", { pokemonName: getPokemonNameWithAffix(slowking) }),
+    );
   });
 
-  // enemy uses another move and weather doesn't change
-  it("check case - enemy not selecting chilly reception doesn't change weather ", async () => {
-    game.override.battleStyle("single").enemyMoveset([MoveId.CHILLY_RECEPTION, MoveId.TACKLE]).moveset(MoveId.SPLASH);
-
+  // Bugcheck test for enemy AI bug
+  it("check case - enemy not selecting chilly reception doesn't change weather", async () => {
+    game.override.enemyMoveset([MoveId.CHILLY_RECEPTION, MoveId.TACKLE]);
     await game.classicMode.startBattle([SpeciesId.SLOWKING, SpeciesId.MEOWTH]);
 
     game.move.select(MoveId.SPLASH);
     await game.move.selectEnemyMove(MoveId.TACKLE);
+    await game.toEndOfTurn();
 
-    await game.phaseInterceptor.to("BerryPhase", false);
-    expect(game.scene.arena.weather?.weatherType).toBe(undefined);
-  });
-
-  it("enemy trainer - expected behavior ", async () => {
-    game.override
-      .battleStyle("single")
-      .startingWave(8)
-      .enemyMoveset(MoveId.CHILLY_RECEPTION)
-      .enemySpecies(SpeciesId.MAGIKARP)
-      .moveset([MoveId.SPLASH, MoveId.THUNDERBOLT]);
-
-    await game.classicMode.startBattle([SpeciesId.JOLTEON]);
-    const RIVAL_MAGIKARP1 = game.scene.getEnemyPokemon()?.id;
-
-    game.move.select(MoveId.SPLASH);
-    await game.phaseInterceptor.to("BerryPhase", false);
-    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
-    expect(game.scene.getEnemyPokemon()?.id !== RIVAL_MAGIKARP1);
-
-    await game.phaseInterceptor.to("TurnInitPhase", false);
-    game.move.select(MoveId.SPLASH);
-
-    // second chilly reception should still switch out
-    await game.phaseInterceptor.to("BerryPhase", false);
-    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
-    await game.phaseInterceptor.to("TurnInitPhase", false);
-    expect(game.scene.getEnemyPokemon()?.id === RIVAL_MAGIKARP1);
-    game.move.select(MoveId.THUNDERBOLT);
-
-    // enemy chilly recep move should fail: it's snowing and no option to switch out
-    // no crashing
-    await game.phaseInterceptor.to("BerryPhase", false);
-    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
-    await game.phaseInterceptor.to("TurnInitPhase", false);
-    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
-    game.move.select(MoveId.SPLASH);
-    await game.phaseInterceptor.to("BerryPhase", false);
-    expect(game.scene.arena.weather?.weatherType).toBe(WeatherType.SNOW);
+    expect(game.scene.arena.weather?.weatherType).toBeUndefined();
   });
 });

test/testUtils/helpers/overridesHelper.ts

@@ -209,9 +209,9 @@ export class OverridesHelper extends GameManagerHelper {
   }
 
   /**
-   * Override the player pokemon's {@linkcode StatusEffect | status-effect}
+   * Override the player pokemon's initial {@linkcode StatusEffect | status-effect},
    * @param statusEffect - The {@linkcode StatusEffect | status-effect} to set
-   * @returns
+   * @returns `this`
    */
   public statusEffect(statusEffect: StatusEffect): this {
     vi.spyOn(Overrides, "STATUS_OVERRIDE", "get").mockReturnValue(statusEffect);
@@ -401,9 +401,9 @@ export class OverridesHelper extends GameManagerHelper {
   }
 
   /**
-   * Override the enemy {@linkcode StatusEffect | status-effect} for enemy pokemon
+   * Override the enemy pokemon's initial {@linkcode StatusEffect | status-effect}.
    * @param statusEffect - The {@linkcode StatusEffect | status-effect} to set
-   * @returns
+   * @returns `this`
    */
   public enemyStatusEffect(statusEffect: StatusEffect): this {
     vi.spyOn(Overrides, "OPP_STATUS_OVERRIDE", "get").mockReturnValue(statusEffect);