[Balance] Ability-ignoring effects no longer ignore the source's own …

…Abilities (#3556)

* Ability-ignoring effects no longer ignore the source's Abilities

* Update src/field/arena.ts

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

* RIP `phases.ts`

* `ignoreAbilitySource` --> `ignoringEffectSource`

---------

Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>
Co-authored-by: flx-sta <50131232+flx-sta@users.noreply.github.com>

src/field/arena.ts

@@ -33,6 +33,7 @@ export class Arena {
   public tags: ArenaTag[];
   public bgm: string;
   public ignoreAbilities: boolean;
+  public ignoringEffectSource: BattlerIndex | null;
 
   private lastTimeOfDay: TimeOfDay;
 
@@ -569,8 +570,9 @@ export class Arena {
     }
   }
 
-  setIgnoreAbilities(ignoreAbilities: boolean = true): void {
+  setIgnoreAbilities(ignoreAbilities: boolean, ignoringEffectSource: BattlerIndex | null = null): void {
     this.ignoreAbilities = ignoreAbilities;
+    this.ignoringEffectSource = ignoreAbilities ? ignoringEffectSource : null;
   }
 
   /**

src/field/pokemon.ts

@@ -1364,7 +1364,8 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     if (this.isFusion() && ability.hasAttr(NoFusionAbilityAbAttr)) {
       return false;
     }
-    if (this.scene?.arena.ignoreAbilities && ability.isIgnorable) {
+    const arena = this.scene?.arena;
+    if (arena.ignoreAbilities && arena.ignoringEffectSource !== this.getBattlerIndex() && ability.isIgnorable) {
       return false;
     }
     if (this.summonData?.abilitySuppressed && !ability.hasAttr(UnsuppressableAbilityAbAttr)) {

src/phases/move-phase.ts

@@ -74,7 +74,7 @@ export class MovePhase extends BattlePhase {
 
     if (!this.followUp) {
       if (this.move.getMove().checkFlag(MoveFlags.IGNORE_ABILITIES, this.pokemon, null)) {
-        this.scene.arena.setIgnoreAbilities();
+        this.scene.arena.setIgnoreAbilities(true, this.pokemon.getBattlerIndex());
       }
     } else {
       this.pokemon.turnData.hitsLeft = 0; // TODO: is `0` correct?