defeated the stakeout demons

src/data/ability.ts

@@ -9,7 +9,7 @@ import { BattlerTag } from "./battler-tags";
 import { BattlerTagType } from "./enums/battler-tag-type";
 import { StatusEffect, getStatusEffectDescriptor, getStatusEffectHealText } from "./status-effect";
 import { Gender } from "./gender";
-import Move, { AttackMove, MoveCategory, MoveFlags, MoveTarget, RecoilAttr, StatusMoveTypeImmunityAttr, FlinchAttr, OneHitKOAttr, HitHealAttr, StrengthSapHealAttr, allMoves } from "./move";
+import Move, { AttackMove, MoveCategory, MoveFlags, MoveTarget, RecoilAttr, StatusMoveTypeImmunityAttr, FlinchAttr, OneHitKOAttr, HitHealAttr, StrengthSapHealAttr, allMoves, ForceSwitchOutAttr } from "./move";
 import { ArenaTagSide, ArenaTrapTag } from "./arena-tag";
 import { ArenaTagType } from "./enums/arena-tag-type";
 import { Stat } from "./pokemon-stat";
@@ -920,6 +920,31 @@ export class MoveTypePowerBoostAbAttr extends MovePowerBoostAbAttr {
   }
 }
 
+export class StakeoutAbAttr extends MovePowerBoostAbAttr {
+  constructor(powerMultiplier: number = 2) {
+    const condition: PokemonAttackCondition = (user, target, move) => {
+      
+      if(user.scene.currentBattle.turnCommands[target.getBattlerIndex()].command === Command.POKEMON) // covers hard switching
+        return true;
+      // find what move the target's slot used this turn and check if it's a switch-in move.
+      const moveId = user.scene.currentBattle.turnCommands[target.getBattlerIndex()].move.move
+      const targetMove = allMoves[moveId];
+      const usedSwitchMove = targetMove.findAttr(attr => attr instanceof ForceSwitchOutAttr) as ForceSwitchOutAttr;
+
+      if(usedSwitchMove?.isSelfSwitch?.() && target.battleSummonData?.turnCount === 1){ // check if the move switches the user out
+        if(usedSwitchMove.returnUser().id === target.id) // dont activate if the move was used by the target (meaning it hasnt switched out yet)
+          return false;
+        return true;
+      }
+
+      return false;
+    };
+
+    super(condition, powerMultiplier);
+  }
+}
+
+
 export class LowHpMoveTypePowerBoostAbAttr extends MoveTypePowerBoostAbAttr {
   constructor(boostedType: Type) {
     super(boostedType);
@@ -3005,7 +3030,7 @@ export function initAbilities() {
       .attr(NoFusionAbilityAbAttr)
       .partial(),
     new Ability(Abilities.STAKEOUT, 7)
-      .attr(MovePowerBoostAbAttr, (user, target, move) => user.scene.currentBattle.turnCommands[target.getBattlerIndex()].command === Command.POKEMON, 2),
+      .attr(StakeoutAbAttr),
     new Ability(Abilities.WATER_BUBBLE, 7)
       .attr(ReceivedTypeDamageMultiplierAbAttr, Type.FIRE, 0.5)
       .attr(MoveTypePowerBoostAbAttr, Type.WATER, 1)

src/data/move.ts

@@ -2810,6 +2810,7 @@ export class RemoveScreensAttr extends MoveEffectAttr {
 export class ForceSwitchOutAttr extends MoveEffectAttr {
   private user: boolean;
   private batonPass: boolean;
+  private userReference: Pokemon;
   
   constructor(user?: boolean, batonPass?: boolean) {
     super(false, MoveEffectTrigger.POST_APPLY, true);
@@ -2822,6 +2823,7 @@ export class ForceSwitchOutAttr extends MoveEffectAttr {
       if (!this.user && target.isMax())
         return resolve(false);
 
+    this.userReference = user;
   	// Check if the move category is not STATUS or if the switch out condition is not met
     if (move.category !== MoveCategory.STATUS && !this.getSwitchOutCondition()(user, target, move)) {
   	  //Apply effects before switch out i.e. poison point, flame body, etc
@@ -2882,6 +2884,14 @@ export class ForceSwitchOutAttr extends MoveEffectAttr {
     return (user, target, move) => move.category !== MoveCategory.STATUS || this.getSwitchOutCondition()(user, target, move);
   }
 
+  public isSelfSwitch(): boolean {
+    return this.user;
+  }
+
+  returnUser(): Pokemon {
+    return this.userReference;
+  }
+
   getSwitchOutCondition(): MoveConditionFunc {
     return (user, target, move) => {
       const switchOutTarget = (this.user ? user : target);