Merge c1c66a473b into 0da37a0f0c

* Added Laser Focus locales

* Fixed key for locales text

* Added `MessageAttr`; cleaned up a lot of other jank move attrs

src/@types/move-types.ts

@@ -1,13 +1,24 @@
+import type { Pokemon } from "#field/pokemon";
 import type {
   AttackMove,
   ChargingAttackMove,
   ChargingSelfStatusMove,
+  Move,
   MoveAttr,
   MoveAttrConstructorMap,
   SelfStatusMove,
   StatusMove,
 } from "#moves/move";
 
+/**
+ * A generic function producing a message during a Move's execution.
+ * @param user - The {@linkcode Pokemon} using the move
+ * @param target - The {@linkcode Pokemon} targeted by the move
+ * @param move - The {@linkcode Move} being used
+ * @returns a string
+ */
+export type MoveMessageFunc = (user: Pokemon, target: Pokemon, move: Move) => string;
+
 export type MoveAttrFilter = (attr: MoveAttr) => boolean;
 
 export type * from "#moves/move";

src/data/abilities/ability.ts

@@ -1670,6 +1670,7 @@ export class MoveTypeChangeAbAttr extends PreAttackAbAttr {
   constructor(
     private newType: PokemonType,
     private powerMultiplier: number,
+    // TODO: all moves with this attr solely check the move being used...
     private condition?: PokemonAttackCondition,
   ) {
     super(false);

src/data/moves/move.ts

@@ -86,7 +86,7 @@ import { PokemonHealPhase } from "#phases/pokemon-heal-phase";
 import { SwitchSummonPhase } from "#phases/switch-summon-phase";
 import type { AttackMoveResult } from "#types/attack-move-result";
 import type { Localizable } from "#types/locales";
-import type { ChargingMove, MoveAttrMap, MoveAttrString, MoveClassMap, MoveKindString } from "#types/move-types";
+import type { ChargingMove, MoveAttrMap, MoveAttrString, MoveClassMap, MoveKindString, MoveMessageFunc } from "#types/move-types";
 import type { TurnMove } from "#types/turn-move";
 import { BooleanHolder, type Constructor, isNullOrUndefined, NumberHolder, randSeedFloat, randSeedInt, randSeedItem, toDmgValue } from "#utils/common";
 import { getEnumValues } from "#utils/enums";
@@ -1357,20 +1357,20 @@ export class MoveHeaderAttr extends MoveAttr {
 
 /**
  * Header attribute to queue a message at the beginning of a turn.
- * @see {@link MoveHeaderAttr}
  */
 export class MessageHeaderAttr extends MoveHeaderAttr {
-  private message: string | ((user: Pokemon, move: Move) => string);
+  /** The message to display, or a function producing one. */
+  private message: string | MoveMessageFunc;
 
-  constructor(message: string | ((user: Pokemon, move: Move) => string)) {
+  constructor(message: string | MoveMessageFunc) {
     super();
     this.message = message;
   }
 
-  apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
+  apply(user: Pokemon, target: Pokemon, move: Move): boolean {
     const message = typeof this.message === "string"
       ? this.message
-      : this.message(user, move);
+      : this.message(user, target, move);
 
     if (message) {
       globalScene.phaseManager.queueMessage(message);
@@ -1418,21 +1418,21 @@ export class BeakBlastHeaderAttr extends AddBattlerTagHeaderAttr {
  */
 export class PreMoveMessageAttr extends MoveAttr {
   /** The message to display or a function returning one */
-  private message: string | ((user: Pokemon, target: Pokemon, move: Move) => string | undefined);
+  private message: string | MoveMessageFunc;
 
   /**
    * 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.
+   * @param message - The message to display before move use, either` a literal string or a function producing one.
    * @remarks
-   * If {@linkcode message} evaluates to an empty string (`''`), no message will be displayed
+   * 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)) {
+  constructor(message: string | MoveMessageFunc) {
     super();
     this.message = message;
   }
 
-  apply(user: Pokemon, target: Pokemon, move: Move, _args: any[]): boolean {
+  apply(user: Pokemon, target: Pokemon, move: Move): boolean {
     const message = typeof this.message === "function"
       ? this.message(user, target, move)
       : this.message;
@@ -1453,18 +1453,17 @@ export class PreMoveMessageAttr extends MoveAttr {
  * @extends MoveAttr
  */
 export class PreUseInterruptAttr extends MoveAttr {
-  protected message?: string | ((user: Pokemon, target: Pokemon, move: Move) => string);
-  protected overridesFailedMessage: boolean;
+  protected message: string | MoveMessageFunc;
   protected conditionFunc: MoveConditionFunc;
 
   /**
    * Create a new MoveInterruptedMessageAttr.
    * @param message The message to display when the move is interrupted, or a function that formats the message based on the user, target, and move.
    */
-  constructor(message?: string | ((user: Pokemon, target: Pokemon, move: Move) => string), conditionFunc?: MoveConditionFunc) {
+  constructor(message: string | MoveMessageFunc, conditionFunc: MoveConditionFunc) {
     super();
     this.message = message;
-    this.conditionFunc = conditionFunc ?? (() => true);
+    this.conditionFunc = conditionFunc;
   }
 
   /**
@@ -1485,11 +1484,9 @@ export class PreUseInterruptAttr extends MoveAttr {
    */
   override getFailedText(user: Pokemon, target: Pokemon, move: Move): string | undefined {
     if (this.message && this.conditionFunc(user, target, move)) {
-      const message =
-        typeof this.message === "string"
-          ? (this.message as string)
+      return typeof this.message === "string"
+          ? this.message
           : this.message(user, target, move);
-      return message;
     }
   }
 }
@@ -1694,17 +1691,30 @@ export class SurviveDamageAttr extends ModifiedDamageAttr {
   }
 }
 
-export class SplashAttr extends MoveEffectAttr {
-  apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    globalScene.phaseManager.queueMessage(i18next.t("moveTriggers:splash"));
-    return true;
-  }
-}
+/**
+ * Move attribute to display arbitrary text during a move's execution.
+ */
+export class MessageAttr extends MoveEffectAttr {
+  /** The message to display, either as a string or a function returning one. */
+  private message: string | MoveMessageFunc;
 
-export class CelebrateAttr extends MoveEffectAttr {
-  apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    globalScene.phaseManager.queueMessage(i18next.t("moveTriggers:celebrate", { playerName: loggedInUser?.username }));
-    return true;
+  constructor(message: string | MoveMessageFunc, options?: MoveEffectAttrOptions) {
+    // TODO: Do we need to respect `selfTarget` if we're just displaying text?
+    super(false, options)
+    this.message = message;
+  }
+
+  override apply(user: Pokemon, target: Pokemon, move: Move): 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;
+    }
+    return false;
   }
 }
 
@@ -5931,38 +5941,6 @@ export class ProtectAttr extends AddBattlerTagAttr {
   }
 }
 
-export class IgnoreAccuracyAttr extends AddBattlerTagAttr {
-  constructor() {
-    super(BattlerTagType.IGNORE_ACCURACY, true, false, 2);
-  }
-
-  apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    if (!super.apply(user, target, move, args)) {
-      return false;
-    }
-
-    globalScene.phaseManager.queueMessage(i18next.t("moveTriggers:tookAimAtTarget", { pokemonName: getPokemonNameWithAffix(user), targetName: getPokemonNameWithAffix(target) }));
-
-    return true;
-  }
-}
-
-export class FaintCountdownAttr extends AddBattlerTagAttr {
-  constructor() {
-    super(BattlerTagType.PERISH_SONG, false, true, 4);
-  }
-
-  apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    if (!super.apply(user, target, move, args)) {
-      return false;
-    }
-
-    globalScene.phaseManager.queueMessage(i18next.t("moveTriggers:faintCountdown", { pokemonName: getPokemonNameWithAffix(target), turnCount: this.turnCountMin - 1 }));
-
-    return true;
-  }
-}
-
 /**
  * Attribute to remove all Substitutes from the field.
  * @extends MoveEffectAttr
@@ -6603,8 +6581,10 @@ export class ChillyReceptionAttr extends ForceSwitchOutAttr {
     return (user, target, move) => globalScene.arena.weather?.weatherType !== WeatherType.SNOW || super.getSwitchOutCondition()(user, target, move);
   }
 }
+
 export class RemoveTypeAttr extends MoveEffectAttr {
 
+  // TODO: Remove the message callback
   private removedType: PokemonType;
   private messageCallback: ((user: Pokemon) => void) | undefined;
 
@@ -8299,8 +8279,6 @@ const MoveAttrs = Object.freeze({
   RandomLevelDamageAttr,
   ModifiedDamageAttr,
   SurviveDamageAttr,
-  SplashAttr,
-  CelebrateAttr,
   RecoilAttr,
   SacrificialAttr,
   SacrificialAttrOnHit,
@@ -8443,8 +8421,7 @@ const MoveAttrs = Object.freeze({
   RechargeAttr,
   TrapAttr,
   ProtectAttr,
-  IgnoreAccuracyAttr,
-  FaintCountdownAttr,
+  MessageAttr,
   RemoveAllSubstitutesAttr,
   HitsTagAttr,
   HitsTagForDoubleDamageAttr,
@@ -8938,7 +8915,7 @@ export function initMoves() {
     new AttackMove(MoveId.PSYWAVE, PokemonType.PSYCHIC, MoveCategory.SPECIAL, -1, 100, 15, -1, 0, 1)
       .attr(RandomLevelDamageAttr),
     new SelfStatusMove(MoveId.SPLASH, PokemonType.NORMAL, -1, 40, -1, 0, 1)
-      .attr(SplashAttr)
+      .attr(MessageAttr, i18next.t("moveTriggers:splash"))
       .condition(failOnGravityCondition),
     new SelfStatusMove(MoveId.ACID_ARMOR, PokemonType.POISON, -1, 20, -1, 0, 1)
       .attr(StatStageChangeAttr, [ Stat.DEF ], 2, true),
@@ -9000,7 +8977,10 @@ export function initMoves() {
       .attr(AddBattlerTagAttr, BattlerTagType.TRAPPED, false, true, 1)
       .reflectable(),
     new StatusMove(MoveId.MIND_READER, PokemonType.NORMAL, -1, 5, -1, 0, 2)
-      .attr(IgnoreAccuracyAttr),
+      .attr(AddBattlerTagAttr, BattlerTagType.IGNORE_ACCURACY, true, false, 2)
+      .attr(MessageAttr, (user, target) =>
+        i18next.t("moveTriggers:tookAimAtTarget", { pokemonName: getPokemonNameWithAffix(user), targetName: getPokemonNameWithAffix(target) })
+      ),
     new StatusMove(MoveId.NIGHTMARE, PokemonType.GHOST, 100, 15, -1, 0, 2)
       .attr(AddBattlerTagAttr, BattlerTagType.NIGHTMARE)
       .condition(targetSleptOrComatoseCondition),
@@ -9088,7 +9068,9 @@ export function initMoves() {
         return lastTurnMove.length === 0 || lastTurnMove[0].move !== move.id || lastTurnMove[0].result !== MoveResult.SUCCESS;
       }),
     new StatusMove(MoveId.PERISH_SONG, PokemonType.NORMAL, -1, 5, -1, 0, 2)
-      .attr(FaintCountdownAttr)
+      .attr(AddBattlerTagAttr, BattlerTagType.PERISH_SONG, false, true, 4)
+      .attr(MessageAttr, (_user, target) =>
+         i18next.t("moveTriggers:faintCountdown", { pokemonName: getPokemonNameWithAffix(target), turnCount: 3 }))
       .ignoresProtect()
       .soundBased()
       .condition(failOnBossCondition)
@@ -9104,7 +9086,10 @@ export function initMoves() {
       .attr(MultiHitAttr)
       .makesContact(false),
     new StatusMove(MoveId.LOCK_ON, PokemonType.NORMAL, -1, 5, -1, 0, 2)
-      .attr(IgnoreAccuracyAttr),
+      .attr(AddBattlerTagAttr, BattlerTagType.IGNORE_ACCURACY, true, false, 2)
+      .attr(MessageAttr, (user, target) =>
+        i18next.t("moveTriggers:tookAimAtTarget", { pokemonName: getPokemonNameWithAffix(user), targetName: getPokemonNameWithAffix(target) })
+      ),
     new AttackMove(MoveId.OUTRAGE, PokemonType.DRAGON, MoveCategory.PHYSICAL, 120, 100, 10, -1, 0, 2)
       .attr(FrenzyAttr)
       .attr(MissEffectAttr, frenzyMissFunc)
@@ -9331,8 +9316,8 @@ export function initMoves() {
         && (user.status.effect === StatusEffect.BURN || user.status.effect === StatusEffect.POISON || user.status.effect === StatusEffect.TOXIC || user.status.effect === StatusEffect.PARALYSIS) ? 2 : 1)
       .attr(BypassBurnDamageReductionAttr),
     new AttackMove(MoveId.FOCUS_PUNCH, PokemonType.FIGHTING, MoveCategory.PHYSICAL, 150, 100, 20, -1, -3, 3)
-      .attr(MessageHeaderAttr, (user, move) => i18next.t("moveTriggers:isTighteningFocus", { pokemonName: getPokemonNameWithAffix(user) }))
-      .attr(PreUseInterruptAttr, (user, target, move) => i18next.t("moveTriggers:lostFocus", { pokemonName: getPokemonNameWithAffix(user) }), user => !!user.turnData.attacksReceived.find(r => r.damage))
+      .attr(MessageHeaderAttr, (user) => i18next.t("moveTriggers:isTighteningFocus", { pokemonName: getPokemonNameWithAffix(user) }))
+      .attr(PreUseInterruptAttr, (user) => i18next.t("moveTriggers:lostFocus", { pokemonName: getPokemonNameWithAffix(user) }), user => user.turnData.attacksReceived.some(r => r.damage > 0))
       .punchingMove(),
     new AttackMove(MoveId.SMELLING_SALTS, PokemonType.NORMAL, MoveCategory.PHYSICAL, 70, 100, 10, -1, 0, 3)
       .attr(MovePowerMultiplierAttr, (user, target, move) => target.status?.effect === StatusEffect.PARALYSIS ? 2 : 1)
@@ -10433,7 +10418,8 @@ export function initMoves() {
     new AttackMove(MoveId.DAZZLING_GLEAM, PokemonType.FAIRY, MoveCategory.SPECIAL, 80, 100, 10, -1, 0, 6)
       .target(MoveTarget.ALL_NEAR_ENEMIES),
     new SelfStatusMove(MoveId.CELEBRATE, PokemonType.NORMAL, -1, 40, -1, 0, 6)
-      .attr(CelebrateAttr),
+      // NB: This needs a lambda function as the user will not be logged in by the time the moves are initialized
+      .attr(MessageAttr, () => i18next.t("moveTriggers:celebrate", { playerName: loggedInUser?.username })),
     new StatusMove(MoveId.HOLD_HANDS, PokemonType.NORMAL, -1, 40, -1, 0, 6)
       .ignoresSubstitute()
       .target(MoveTarget.NEAR_ALLY),
@@ -10608,7 +10594,12 @@ export function initMoves() {
       .attr(StatStageChangeAttr, [ Stat.SPD ], -1)
       .reflectable(),
     new SelfStatusMove(MoveId.LASER_FOCUS, PokemonType.NORMAL, -1, 30, -1, 0, 7)
-      .attr(AddBattlerTagAttr, BattlerTagType.ALWAYS_CRIT, true, false),
+      .attr(AddBattlerTagAttr, BattlerTagType.ALWAYS_CRIT, true, false)
+      .attr(MessageAttr, (user) =>
+        i18next.t("battlerTags:laserFocusOnAdd", {
+          pokemonNameWithAffix: getPokemonNameWithAffix(user),
+        }),
+      ),
     new StatusMove(MoveId.GEAR_UP, PokemonType.STEEL, -1, 20, -1, 0, 7)
       .attr(StatStageChangeAttr, [ Stat.ATK, Stat.SPATK ], 1, false, { condition: (user, target, move) => !![ AbilityId.PLUS, AbilityId.MINUS ].find(a => target.hasAbility(a, false)) })
       .ignoresSubstitute()

src/data/phase-priority-queue.ts

@@ -44,6 +44,33 @@ export abstract class PhasePriorityQueue {
   public clear(): void {
     this.queue.splice(0, this.queue.length);
   }
+
+  /**
+   * Attempt to remove one or more Phases from the current queue.
+   * @param phaseFilter - The function to select phases for removal
+   * @param removeCount - The maximum number of phases to remove, or `all` to remove all matching phases;
+   * default `1`
+   * @returns The number of successfully removed phases
+   * @todo Remove this eventually once the patchwork bug this is used for is fixed
+   */
+  public tryRemovePhase(phaseFilter: (phase: Phase) => boolean, removeCount: number | "all" = 1): number {
+    if (removeCount === "all") {
+      removeCount = Number.MAX_SAFE_INTEGER;
+    } else if (removeCount < 1) {
+      return 0;
+    }
+    let numRemoved = 0;
+    let phaseIndex = this.queue.findIndex(phaseFilter);
+    if (phaseIndex === -1) {
+      return 0;
+    }
+    while (numRemoved < removeCount && phaseIndex !== -1) {
+      this.queue.splice(phaseIndex, 1);
+      numRemoved++;
+      phaseIndex = this.queue.findIndex(phaseFilter);
+    }
+    return numRemoved;
+  }
 }
 
 /**
@@ -79,6 +106,7 @@ export class PostSummonPhasePriorityQueue extends PhasePriorityQueue {
   private queueAbilityPhase(phase: PostSummonPhase): void {
     const phasePokemon = phase.getPokemon();
 
+    console.log(phasePokemon.getNameToRender());
     phasePokemon.getAbilityPriorities().forEach((priority, idx) => {
       this.queue.push(new PostSummonActivateAbilityPhase(phasePokemon.getBattlerIndex(), priority, !!idx));
       globalScene.phaseManager.appendToPhase(

src/phase-manager.ts

@@ -355,14 +355,23 @@ export class PhaseManager {
     if (this.phaseQueuePrependSpliceIndex > -1) {
       this.clearPhaseQueueSplice();
     }
-    if (this.phaseQueuePrepend.length) {
-      while (this.phaseQueuePrepend.length) {
-        const poppedPhase = this.phaseQueuePrepend.pop();
-        if (poppedPhase) {
-          this.phaseQueue.unshift(poppedPhase);
-        }
+    this.phaseQueue.unshift(...this.phaseQueuePrepend);
+    this.phaseQueuePrepend.splice(0);
+
+    const unactivatedConditionalPhases: [() => boolean, Phase][] = [];
+    // Check if there are any conditional phases queued
+    for (const [condition, phase] of this.conditionalQueue) {
+      // Evaluate the condition associated with the phase
+      if (condition()) {
+        // If the condition is met, add the phase to the phase queue
+        this.pushPhase(phase);
+      } else {
+        // If the condition is not met, re-add the phase back to the end of the conditional queue
+        unactivatedConditionalPhases.push([condition, phase]);
       }
     }
+    this.conditionalQueue = unactivatedConditionalPhases;
+
     if (!this.phaseQueue.length) {
       this.populatePhaseQueue();
       // Clear the conditionalQueue if there are no phases left in the phaseQueue
@@ -371,24 +380,6 @@ export class PhaseManager {
 
     this.currentPhase = this.phaseQueue.shift() ?? null;
 
-    const unactivatedConditionalPhases: [() => boolean, Phase][] = [];
-    // Check if there are any conditional phases queued
-    while (this.conditionalQueue?.length) {
-      // Retrieve the first conditional phase from the queue
-      const conditionalPhase = this.conditionalQueue.shift();
-      // Evaluate the condition associated with the phase
-      if (conditionalPhase?.[0]()) {
-        // If the condition is met, add the phase to the phase queue
-        this.pushPhase(conditionalPhase[1]);
-      } else if (conditionalPhase) {
-        // If the condition is not met, re-add the phase back to the front of the conditional queue
-        unactivatedConditionalPhases.push(conditionalPhase);
-      } else {
-        console.warn("condition phase is undefined/null!", conditionalPhase);
-      }
-    }
-    this.conditionalQueue.push(...unactivatedConditionalPhases);
-
     if (this.currentPhase) {
       console.log(`%cStart Phase ${this.currentPhase.constructor.name}`, "color:green;");
       this.currentPhase.start();
@@ -520,6 +511,25 @@ export class PhaseManager {
     this.dynamicPhaseQueues[type].push(phase);
   }
 
+  /**
+   * Attempt to remove one or more Phases from the given DynamicPhaseQueue, removing the equivalent amount of {@linkcode ActivatePriorityQueuePhase}s from the queue.
+   * @param type - The {@linkcode DynamicPhaseType} to check
+   * @param phaseFilter - The function to select phases for removal
+   * @param removeCount - The maximum number of phases to remove, or `all` to remove all matching phases;
+   * default `1`
+   * @todo Remove this eventually once the patchwork bug this is used for is fixed
+   */
+  public tryRemoveDynamicPhase(
+    type: DynamicPhaseType,
+    phaseFilter: (phase: Phase) => boolean,
+    removeCount: number | "all" = 1,
+  ): void {
+    const numRemoved = this.dynamicPhaseQueues[type].tryRemovePhase(phaseFilter, removeCount);
+    for (let x = 0; x < numRemoved; x++) {
+      this.tryRemovePhase(p => p.is("ActivatePriorityQueuePhase"));
+    }
+  }
+
   /**
    * Unshifts the top phase from the corresponding dynamic queue onto {@linkcode phaseQueue}
    * @param type {@linkcode DynamicPhaseType} The type of dynamic phase to start

src/phases/check-switch-phase.ts

@@ -2,6 +2,7 @@ import { globalScene } from "#app/global-scene";
 import { getPokemonNameWithAffix } from "#app/messages";
 import { BattleStyle } from "#enums/battle-style";
 import { BattlerTagType } from "#enums/battler-tag-type";
+import { DynamicPhaseType } from "#enums/dynamic-phase-type";
 import { SwitchType } from "#enums/switch-type";
 import { UiMode } from "#enums/ui-mode";
 import { BattlePhase } from "#phases/battle-phase";
@@ -66,6 +67,17 @@ export class CheckSwitchPhase extends BattlePhase {
           UiMode.CONFIRM,
           () => {
             globalScene.ui.setMode(UiMode.MESSAGE);
+            /*
+            Remove any pending `ActivatePriorityQueuePhase`s for the currently leaving Pokemon produced by the prior `SwitchSummonPhase`.
+            This is required to avoid triggering on-switch abilities twice on initial entrance.
+            TODO: Separate the animations from `SwitchSummonPhase` to another phase and call that on initial switch - this is a band-aid fix
+            TODO: Confirm with @emdeann what the maximum number of these things that gets unshifted can be
+            */
+            globalScene.phaseManager.tryRemoveDynamicPhase(
+              DynamicPhaseType.POST_SUMMON,
+              p => p.is("PostSummonPhase") && p.getPokemon() === pokemon,
+              4,
+            );
             globalScene.phaseManager.unshiftNew("SwitchPhase", SwitchType.INITIAL_SWITCH, this.fieldIndex, false, true);
             this.end();
           },

test/abilities/intimidate.test.ts

@@ -35,13 +35,43 @@ describe("Abilities - Intimidate", () => {
   it("should lower all opponents' ATK by 1 stage on entry and switch", async () => {
     await game.classicMode.startBattle([SpeciesId.MIGHTYENA, SpeciesId.POOCHYENA]);
 
+    const [mightyena, poochyena] = game.scene.getPlayerParty();
+
     const enemy = game.field.getEnemyPokemon();
     expect(enemy.getStatStage(Stat.ATK)).toBe(-1);
+    expect(mightyena).toHaveAbilityApplied(AbilityId.INTIMIDATE);
 
     game.doSwitchPokemon(1);
     await game.toNextTurn();
 
+    expect(poochyena.isActive()).toBe(true);
     expect(enemy.getStatStage(Stat.ATK)).toBe(-2);
+    expect(poochyena).toHaveAbilityApplied(AbilityId.INTIMIDATE);
+  });
+
+  it("should trigger once on initial switch prompt without cancelling opposing abilities", async () => {
+    await game.classicMode.runToSummon([SpeciesId.MIGHTYENA, SpeciesId.POOCHYENA]);
+    await game.classicMode.startBattleWithSwitch(1);
+
+    const [poochyena, mightyena] = game.scene.getPlayerParty();
+    expect(poochyena.species.speciesId).toBe(SpeciesId.POOCHYENA);
+
+    const enemy = game.field.getEnemyPokemon();
+    expect(enemy).toHaveStatStage(Stat.ATK, -1);
+    expect(poochyena).toHaveStatStage(Stat.ATK, -1);
+
+    expect(poochyena).toHaveAbilityApplied(AbilityId.INTIMIDATE);
+    expect(mightyena).not.toHaveAbilityApplied(AbilityId.INTIMIDATE);
+  });
+
+  it("should activate on reload with single party", async () => {
+    await game.classicMode.startBattle([SpeciesId.MIGHTYENA]);
+
+    expect(game.field.getEnemyPokemon()).toHaveStatStage(Stat.ATK, -1);
+
+    await game.reload.reloadSession();
+
+    expect(game.field.getEnemyPokemon()).toHaveStatStage(Stat.ATK, -1);
   });
 
   it("should lower ATK of all opponents in a double battle", async () => {

test/moves/whirlwind.test.ts

@@ -1,4 +1,3 @@
-import { globalScene } from "#app/global-scene";
 import { Status } from "#data/status-effect";
 import { AbilityId } from "#enums/ability-id";
 import { BattleType } from "#enums/battle-type";
@@ -179,18 +178,13 @@ describe("Moves - Whirlwind", () => {
     const eligibleEnemy = enemyParty.filter(p => p.hp > 0 && p.isAllowedInBattle());
     expect(eligibleEnemy.length).toBe(1);
 
-    // Spy on the queueMessage function
-    const queueSpy = vi.spyOn(globalScene.phaseManager, "queueMessage");
-
     // Player uses Whirlwind; opponent uses Splash
     game.move.select(MoveId.WHIRLWIND);
     await game.move.selectEnemyMove(MoveId.SPLASH);
     await game.toNextTurn();
 
-    // Verify that the failure message is displayed for Whirlwind
-    expect(queueSpy).toHaveBeenCalledWith(expect.stringContaining("But it failed"));
-    // Verify the opponent's Splash message
-    expect(queueSpy).toHaveBeenCalledWith(expect.stringContaining("But nothing happened!"));
+    const player = game.field.getPlayerPokemon();
+    expect(player).toHaveUsedMove({ move: MoveId.WHIRLWIND, result: MoveResult.FAIL });
   });
 
   it("should not pull in the other trainer's pokemon in a partner trainer battle", async () => {

test/test-utils/helpers/classic-mode-helper.ts

@@ -1,6 +1,7 @@
 import { getGameMode } from "#app/game-mode";
 import overrides from "#app/overrides";
 import { BattleStyle } from "#enums/battle-style";
+import { Button } from "#enums/buttons";
 import { GameModes } from "#enums/game-modes";
 import { Nature } from "#enums/nature";
 import type { SpeciesId } from "#enums/species-id";
@@ -100,4 +101,33 @@ export class ClassicModeHelper extends GameManagerHelper {
     await this.game.phaseInterceptor.to(CommandPhase);
     console.log("==================[New Turn]==================");
   }
+
+  /**
+   * Queue inputs to switch at the start of the next battle, and then start it.
+   * @param pokemonIndex - The 0-indexed position of the party pokemon to switch to.
+   * Should never be called with 0 as that will select the currently active pokemon and freeze
+   * @returns A Promise that resolves once the battle has been started and the switch prompt resolved
+   * @todo Make this work for double battles
+   * @example
+   * ```ts
+   * await game.classicMode.runToSummon([SpeciesId.MIGHTYENA, SpeciesId.POOCHYENA])
+   * await game.startBattleWithSwitch(1);
+   * ```
+   */
+  public async startBattleWithSwitch(pokemonIndex: number): Promise<void> {
+    this.game.scene.battleStyle = BattleStyle.SWITCH;
+    this.game.onNextPrompt(
+      "CheckSwitchPhase",
+      UiMode.CONFIRM,
+      () => {
+        this.game.scene.ui.getHandler().setCursor(0);
+        this.game.scene.ui.getHandler().processInput(Button.ACTION);
+      },
+      () => this.game.isCurrentPhase("CommandPhase") || this.game.isCurrentPhase("TurnInitPhase"),
+    );
+    this.game.doSelectPartyPokemon(pokemonIndex);
+
+    await this.game.phaseInterceptor.to("CommandPhase");
+    console.log("==================[New Battle (Initial Switch)]==================");
+  }
 }