Fix bug with releasing first party member

src/battle-phases.ts

@@ -379,6 +379,12 @@ export class CheckSwitchPhase extends BattlePhase {
   start() {
     super.start();
 
+    if (this.scene.field.getAll().indexOf(this.scene.getPlayerPokemon()) === -1) {
+      this.scene.unshiftPhase(new SummonMissingPhase(this.scene));
+      super.end();
+      return;
+    }
+
     this.scene.ui.showText('Will you switch\nPOKéMON?', null, () => {
       this.scene.ui.setMode(Mode.CONFIRM, () => {
         this.scene.unshiftPhase(new SwitchPhase(this.scene, false, true));
@@ -388,6 +394,17 @@ export class CheckSwitchPhase extends BattlePhase {
   }
 }
 
+export class SummonMissingPhase extends SummonPhase {
+  constructor(scene: BattleScene) {
+    super(scene);
+  }
+
+  preSummon(): void {
+    this.scene.ui.showText(`Go! ${this.scene.getPlayerPokemon().name}!`);
+    this.scene.time.delayedCall(250, () => this.summon());
+  }
+}
+
 export class CommandPhase extends BattlePhase {
   constructor(scene: BattleScene) {
     super(scene)
@@ -1375,6 +1392,7 @@ export class AttemptCapturePhase extends BattlePhase {
                 });
               });
             }, () => {
+              this.scene.ui.setMode(Mode.MESSAGE);
               pokemon.hp = 0;
               end();
             });

src/pokemon.ts

@@ -15,7 +15,7 @@ import { initMoveAnim, loadMoveAnimAssets } from './battle-anims';
 import { Status, StatusEffect } from './status-effect';
 import { tmSpecies } from './tms';
 import { pokemonEvolutions, SpeciesEvolution, SpeciesEvolutionCondition } from './pokemon-evolutions';
-import { MessagePhase, StatChangePhase } from './battle-phases';
+import { MessagePhase } from './battle-phases';
 import { BattleStat } from './battle-stat';
 import { BattleTag, BattleTagLapseType, BattleTagType } from './battle-tag';
 
@@ -716,6 +716,11 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       this.scene.sound.play('sparkle');
     }
   }
+
+  destroy(): void {
+    this.battleInfo.destroy();
+    super.destroy();
+  }
 }
 
 export class PlayerPokemon extends Pokemon {

src/ui/party-ui-handler.ts

@@ -1,4 +1,4 @@
-import { CommandPhase } from "../battle-phases";
+import { CommandPhase, SummonMissingPhase } from "../battle-phases";
 import BattleScene, { Button } from "../battle-scene";
 import { PlayerPokemon, PokemonMove } from "../pokemon";
 import { addTextObject, TextStyle } from "../text";
@@ -411,7 +411,8 @@ export default class PartyUiHandler extends MessageUiHandler {
     this.showText(this.getReleaseMessage(this.scene.getParty()[slotIndex].name), null, () => {
       this.clearPartySlots();
       this.scene.removePartyMemberModifiers(slotIndex);
-      this.scene.getParty().splice(slotIndex, 1);
+      const releasedPokemon = this.scene.getParty().splice(slotIndex, 1)[0];
+      releasedPokemon.destroy();
       this.populatePartySlots();
       if (this.cursor >= this.scene.getParty().length)
         this.setCursor(this.cursor - 1);