pokerogue/src/battle-phase.ts

import BattleScene from "./battle-scene";
import { default as Pokemon, PlayerPokemon, EnemyPokemon, PokemonMove } from "./pokemon";
import * as Utils from './utils';
import { allMoves, Moves as Move, MoveCategory, Moves } from "./move";
import { Mode } from './ui/ui';
import { Command } from "./ui/command-ui-handler";
import { Stat } from "./pokemon-stat";
import { ExpBoosterModifier, ExpShareModifier, ExtraModifierModifier, getModifierTypesForWave, ModifierType, PokemonModifierType, regenerateModifierPoolThresholds } from "./modifier";
import PartyUiHandler from "./ui/party-ui-handler";
import { doPokeballBounceAnim, getPokeballAtlasKey, getPokeballCatchMultiplier, getPokeballTintColor as getPokeballTintColor, PokeballType } from "./pokeball";
import { pokemonLevelMoves } from "./pokemon-level-moves";
import { MoveAnim, loadMoveAnimAssets } from "./battle-anims";
import { StatusEffect } from "./status-effect";

export class BattlePhase {
  protected scene: BattleScene;

  constructor(scene: BattleScene) {
    this.scene = scene;
  }

  start() {
    console.log(`Start Phase ${this.constructor.name}`)
  }

  end() {
    this.scene.shiftPhase();
  }
}

export class EncounterPhase extends BattlePhase {
  constructor(scene: BattleScene) {
    super(scene);
  }

  start() {
    super.start();

    const battle = this.scene.currentBattle;
    const enemySpecies = this.scene.arena.randomSpecies(1, battle.enemyLevel);
		battle.enemyPokemon = new EnemyPokemon(this.scene, enemySpecies, battle.enemyLevel);
    const enemyPokemon = this.scene.getEnemyPokemon();

    console.log(enemyPokemon.species.name, enemyPokemon.species.speciesId, enemyPokemon.stats);

    enemyPokemon.loadAssets().then(() => {
      this.scene.field.add(enemyPokemon);
      if (this.scene.getPlayerPokemon().visible)
        this.scene.field.moveBelow(enemyPokemon, this.scene.getPlayerPokemon());
      enemyPokemon.tint(0, 0.5);
      this.doEncounter();
    });
  }

  doEncounter() {
    const enemyPokemon = this.scene.getEnemyPokemon();
    this.scene.tweens.add({
      targets: [ this.scene.arenaEnemy, enemyPokemon, this.scene.arenaPlayer, this.scene.trainer ],
      x: (_target, _key, value, targetIndex: integer) => targetIndex < 2 ? value + 300 : value - 300,
      duration: 2000,
      onComplete: () => {
        enemyPokemon.untint(100, 'Sine.easeOut');
        enemyPokemon.cry();
        enemyPokemon.showInfo();
        this.scene.ui.showText(`A wild ${enemyPokemon.name} appeared!`, null, () => this.end(), 1500);
      }
    });
  }

  end() {
    if (this.scene.getEnemyPokemon().shiny)
      this.scene.unshiftPhase(new ShinySparklePhase(this.scene, false));
      // TODO: Remove
    //this.scene.unshiftPhase(new SelectModifierPhase(this.scene));

    super.end();
  }
}

export class NextEncounterPhase extends EncounterPhase {
  constructor(scene: BattleScene) {
    super(scene);
  }

  doEncounter(): void {
    const enemyPokemon = this.scene.getEnemyPokemon();
    this.scene.tweens.add({
      targets: [ this.scene.arenaEnemy, this.scene.arenaNextEnemy, enemyPokemon ],
      x: '+=300',
      duration: 2000,
      onComplete: () => {
        this.scene.arenaEnemy.setX(this.scene.arenaNextEnemy.x);
        this.scene.arenaNextEnemy.setX(this.scene.arenaNextEnemy.x - 300);
        enemyPokemon.untint(100, 'Sine.easeOut');
        enemyPokemon.cry();
        enemyPokemon.showInfo();
        this.scene.ui.showText(`A wild ${enemyPokemon.name} appeared!`, null, () => this.end(), 1500);
      }
    });
  }

  end() {
    if (this.scene.getEnemyPokemon().shiny)
      this.scene.unshiftPhase(new ShinySparklePhase(this.scene, false));

    this.scene.unshiftPhase(new CheckSwitchPhase(this.scene));

    super.end();
  }
}

export class NewBiomeEncounterPhase extends NextEncounterPhase {
  constructor(scene: BattleScene) {
    super(scene);
  }

  doEncounter(): void {
    const enemyPokemon = this.scene.getEnemyPokemon();
    this.scene.tweens.add({
      targets: [ this.scene.arenaEnemy, enemyPokemon ],
      x: (_target, _key, value, targetIndex: integer) => targetIndex < 2 ? value + 300 : value - 300,
      duration: 2000,
      onComplete: () => {
        enemyPokemon.untint(100, 'Sine.easeOut');
        enemyPokemon.cry();
        enemyPokemon.showInfo();
        this.scene.ui.showText(`A wild ${enemyPokemon.name} appeared!`, null, () => this.end(), 1500);
      }
    });
  }
}

export class SwitchBiomePhase extends BattlePhase {
  constructor(scene: BattleScene) {
    super(scene);
  }

  start() {
    super.start();

    this.scene.arena.fadeOutBgm(2000);

    this.scene.tweens.add({
      targets: this.scene.arenaEnemy,
      x: '+=300',
      duration: 2000,
      onComplete: () => {
        this.scene.arenaEnemy.setX(this.scene.arenaEnemy.x - 600);

        this.scene.newBiome();

        const biomeKey = this.scene.arena.getBiomeKey();
        const bgTexture = `${biomeKey}_bg`;
        const playerTexture = `${biomeKey}_a`;
        const enemyTexture = `${biomeKey}_b`;
        this.scene.arenaBgTransition.setTexture(bgTexture)
        this.scene.arenaBgTransition.setAlpha(0);
        this.scene.arenaBgTransition.setVisible(true);
        this.scene.arenaPlayerTransition.setTexture(playerTexture)
        this.scene.arenaPlayerTransition.setAlpha(0);
        this.scene.arenaPlayerTransition.setVisible(true);

        this.scene.time.delayedCall(1000, () => this.scene.arena.playBgm());

        this.scene.tweens.add({
          targets: [ this.scene.arenaBgTransition, this.scene.arenaPlayerTransition ],
          duration: 1000,
          delay: 1000,
          ease: 'Sine.easeInOut',
          alpha: 1,
          onComplete: () => {
            this.scene.arenaBg.setTexture(bgTexture);
            this.scene.arenaPlayer.setTexture(playerTexture);
            this.scene.arenaEnemy.setTexture(enemyTexture);
            this.scene.arenaNextEnemy.setTexture(enemyTexture);
            this.scene.arenaBgTransition.setVisible(false);
            this.scene.arenaPlayerTransition.setVisible(false);

            this.end();
          }
        })
      }
    });
  }
}

export class SummonPhase extends BattlePhase {
  constructor(scene: BattleScene) {
    super(scene);
  }

  start() {
    super.start();

    this.preSummon();
  }

  preSummon(): void {
    this.scene.ui.showText(`Go! ${this.scene.getPlayerPokemon().name}!`);
    this.scene.trainer.play('trainer_m_pb');
    this.scene.tweens.add({
      targets: this.scene.trainer,
      x: -36,
      duration: 1000
    });
    this.scene.time.delayedCall(750, () => this.summon());
  }

  summon(): void {
    const pokeball = this.scene.add.sprite(36, 80, 'pb', 'pb');
    pokeball.setVisible(false);
    pokeball.setOrigin(0.5, 0.625);
    this.scene.field.add(pokeball);

    const playerPokemon = this.scene.getPlayerPokemon();

    pokeball.setVisible(true);
    this.scene.tweens.add({
      targets: pokeball,
      ease: 'Cubic.easeOut',
      duration: 150,
      x: 54,
      y: 70,
      onComplete: () => {
        this.scene.tweens.add({
          targets: pokeball,
          duration: 500,
          angle: 1440,
          x: 100,
          y: 132,
          ease: 'Cubic.easeIn',
          onComplete: () => {
            this.scene.sound.play('pb_rel');
            pokeball.destroy();
            this.scene.add.existing(playerPokemon);
            this.scene.field.add(playerPokemon);
            playerPokemon.showInfo();
            playerPokemon.setVisible(true);
            playerPokemon.setScale(0.5);
            playerPokemon.tint(getPokeballTintColor(playerPokemon.pokeball));
            playerPokemon.untint(250, 'Sine.easeIn');
            this.scene.tweens.add({
              targets: playerPokemon,
              duration: 250,
              ease: 'Sine.easeIn',
              scale: 1,
              onComplete: () => {
                playerPokemon.cry();
                playerPokemon.getSprite().clearTint();
                playerPokemon.resetSummonData();
                this.scene.time.delayedCall(1000, () => this.end());
              }
            });
          }
        });
      }
    });
  }

  end() {
    if (this.scene.getPlayerPokemon().shiny)
      this.scene.unshiftPhase(new ShinySparklePhase(this.scene, true));

    super.end();
  }
}

export class SwitchSummonPhase extends SummonPhase {
  private slotIndex: integer;
  private doReturn: boolean;

  constructor(scene: BattleScene, slotIndex: integer, doReturn: boolean) {
    super(scene);

    this.slotIndex = slotIndex;
    this.doReturn = doReturn;
  }

  start() {
    super.start();
  }

  preSummon(): void {
    if (!this.doReturn) {
      this.switchAndSummon();
      return;
    }

    const playerPokemon = this.scene.getPlayerPokemon();

    this.scene.ui.showText(`Come back, ${this.scene.getPlayerPokemon().name}!`);
    this.scene.sound.play('pb_rel');
    playerPokemon.hideInfo();
    playerPokemon.tint(getPokeballTintColor(playerPokemon.pokeball), 1, 250, 'Sine.easeIn');
    this.scene.tweens.add({
      targets: playerPokemon,
      duration: 250,
      ease: 'Sine.easeIn',
      scale: 0.5,
      onComplete: () => {
        playerPokemon.setVisible(false);
        this.scene.field.remove(playerPokemon);
        this.scene.time.delayedCall(750, () => this.switchAndSummon());
      }
    });
  }

  switchAndSummon() {
    const party = this.scene.getParty();
    const switchedPokemon = party[this.slotIndex];
    party[this.slotIndex] = this.scene.getPlayerPokemon();
    party[0] = switchedPokemon;
    this.scene.ui.showText(`Go! ${switchedPokemon.name}!`);
    this.summon();
  }
}

export class CheckSwitchPhase extends BattlePhase {
  constructor(scene: BattleScene) {
    super(scene)
  }

  start() {
    super.start();

    this.scene.ui.showText('Will you switch\nPOKéMON?', null, () => {
      this.scene.ui.setMode(Mode.SWITCH_CHECK, () => this.end());
    });
  }
}

export class CommandPhase extends BattlePhase {
  constructor(scene: BattleScene) {
    super(scene)
  }

  start() {
    super.start();

    this.scene.ui.setMode(Mode.COMMAND);
    this.scene.currentBattle.addParticipant(this.scene.getPlayerPokemon());

    this.scene.getPlayerPokemon().resetTurnData();
    this.scene.getEnemyPokemon().resetTurnData();
  }

  handleCommand(command: Command, cursor: integer): boolean{
    const playerPokemon = this.scene.getPlayerPokemon();
    const enemyPokemon = this.scene.getEnemyPokemon();
    let success: boolean;
    let delayed: boolean;

    switch (command) {
      case Command.FIGHT:
        if (playerPokemon.trySelectMove(cursor)) {
          const playerPhase = new PlayerMovePhase(this.scene, playerPokemon, playerPokemon.moveset[cursor]);
          delayed = playerPokemon.stats[Stat.SPD] < enemyPokemon.stats[Stat.SPD]
            || (playerPokemon.stats[Stat.SPD] === enemyPokemon.stats[Stat.SPD] && Utils.randInt(2) === 1)
          this.scene.pushPhase(playerPhase);
          success = true;
        }
        break;
      case Command.BALL:
        if (cursor < 4) {
          this.scene.unshiftPhase(new AttemptCapturePhase(this.scene, cursor as PokeballType));
          success = true;
        }
        break;
      case Command.POKEMON:
        this.scene.unshiftPhase(new SwitchSummonPhase(this.scene, cursor, true));
        success = true;
        break;
    }
    if (success) {
      const enemyMove = enemyPokemon.getNextMove();
      const enemyPhase = new EnemyMovePhase(this.scene, enemyPokemon, enemyMove);
      if (delayed)
        this.scene.unshiftPhase(enemyPhase);
      else
        this.scene.pushPhase(enemyPhase);
      this.end();
    }

    return success;
  }

  end() {
    super.end();
    this.scene.ui.setMode(Mode.MESSAGE);
  }
}

export abstract class PokemonPhase extends BattlePhase {
  protected player: boolean;

  constructor(scene: BattleScene, player: boolean) {
    super(scene);

    this.player = player;
  }

  getPokemon() {
    return this.player ? this.scene.getPlayerPokemon() : this.scene.getEnemyPokemon();
  }
}

export abstract class PartyMemberPokemonPhase extends PokemonPhase {
  protected partyMemberIndex: integer;

  constructor(scene: BattleScene, partyMemberIndex: integer) {
    super(scene, true);

    this.partyMemberIndex = partyMemberIndex;
  }

  getPokemon() {
    return this.scene.getParty()[this.partyMemberIndex];
  }
}

abstract class MovePhase extends BattlePhase {
  protected pokemon: Pokemon;
  protected move: PokemonMove;

  constructor(scene: BattleScene, pokemon: Pokemon, move: PokemonMove) {
    super(scene);

    this.pokemon = pokemon;
    this.move = move;
  }

  abstract getEffectPhase(): MoveEffectPhase;

  canMove(): boolean {
    return !!this.pokemon.hp;
  }

  start() {
    super.start();

    if (!this.canMove()) {
      this.end();
      return;
    }
    if (!this.move)
      console.log(this.pokemon.moveset);
    this.scene.ui.showText(`${this.pokemon.name} used\n${this.move.getName()}!`, null, () => {
      this.move.ppUsed++;

      if (this.move.getMove().category !== MoveCategory.STATUS) {
        if (this.hitCheck())
          this.scene.unshiftPhase(this.getEffectPhase());
        else
          this.scene.unshiftPhase(new MessagePhase(this.scene, `${this.pokemon instanceof EnemyPokemon ? 'Foe ' : ''}${this.pokemon.name}'s\nattack missed!`));
      } else
        this.scene.unshiftPhase(this.getEffectPhase());
      this.end();
    }, 500);
  }

  hitCheck(): boolean {
    if (this.move.getMove().category !== MoveCategory.STATUS) {
      const userAccuracyLevel = 0;
      const targetEvasionLevel = 0;
      const rand = Utils.randInt(100, 1);
      let accuracyMultiplier = 1;
      if (userAccuracyLevel !== targetEvasionLevel) {
        accuracyMultiplier = userAccuracyLevel > targetEvasionLevel
          ? (3 + Math.min(userAccuracyLevel - targetEvasionLevel, 6)) / 3
          : 3 / (3 + Math.min(targetEvasionLevel - userAccuracyLevel, 6));
      }
      return rand <= this.move.getMove().accuracy * accuracyMultiplier;
    }
    return true;
  }

}

export class PlayerMovePhase extends MovePhase {
  constructor(scene: BattleScene, pokemon: PlayerPokemon, move: PokemonMove) {
    super(scene, pokemon, move);
  }

  getEffectPhase(): MoveEffectPhase {
    return new PlayerMoveEffectPhase(this.scene, this.move);
  }
}

export class EnemyMovePhase extends MovePhase {
  constructor(scene: BattleScene, pokemon: EnemyPokemon, move: PokemonMove) {
    super(scene, pokemon, move);
  }

  getEffectPhase(): MoveEffectPhase {
    return new EnemyMoveEffectPhase(this.scene, this.move);
  }
}

abstract class MoveEffectPhase extends PokemonPhase {
  protected move: PokemonMove;
  
  constructor(scene: BattleScene, player: boolean, move: PokemonMove) {
    super(scene, player);

    this.move = move;
  }

  start() {
    super.start();

    const user = this.getUserPokemon();
    const target = this.getTargetPokemon();

    new MoveAnim(this.move.getMove().id as Moves, user, target).play(this.scene, () =>{
      this.getTargetPokemon().apply(this.getUserPokemon(), this.move, () => this.end());
      if (this.getUserPokemon().hp <= 0) {
        this.scene.pushPhase(new FaintPhase(this.scene, this.player));
        this.getTargetPokemon().resetBattleSummonData();
      }
      if (this.getTargetPokemon().hp <= 0) {
        this.scene.pushPhase(new FaintPhase(this.scene, !this.player));
        this.getUserPokemon().resetBattleSummonData();
      }
    });
  }

  abstract getUserPokemon(): Pokemon;

  abstract getTargetPokemon(): Pokemon;
}

export class PlayerMoveEffectPhase extends MoveEffectPhase {
  constructor(scene: BattleScene, move: PokemonMove) {
    super(scene, true, move);
  }

  getUserPokemon(): Pokemon {
    return this.scene.getPlayerPokemon();
  }

  getTargetPokemon(): Pokemon {
    /*if (this.move.getMove().category === MoveCategory.STATUS)
      return this.getUserPokemon();*/
    return this.scene.getEnemyPokemon();
  }
}

export class EnemyMoveEffectPhase extends MoveEffectPhase {
  constructor(scene: BattleScene, move: PokemonMove) {
    super(scene, false, move);
  }

  getUserPokemon(): Pokemon {
    return this.scene.getEnemyPokemon();
  }

  getTargetPokemon(): Pokemon {
    /*if (this.move.getMove().category === MoveCategory.STATUS)
      return this.getUserPokemon();*/
    return this.scene.getPlayerPokemon();
  }
}

export class ObtainStatusEffectPhase extends PokemonPhase {
  private statusEffect: StatusEffect;

  constructor(scene: BattleScene, player: boolean, statusEffect: StatusEffect) {
    super(scene, player);
  }

  start() {
    const pokemon = this.getPokemon();
    if (pokemon.status === StatusEffect.NONE) {
      pokemon.status = this.statusEffect;
      // Show message and animation
      this.end();
    } else
      this.end();
  }
}

export class MessagePhase extends BattlePhase {
  private text: string;
  private prompt: boolean;

  constructor(scene: BattleScene, text: string, prompt?: boolean) {
    super(scene);

    this.text = text;
    this.prompt = prompt;
  }

  start() {
    super.start();

    this.scene.ui.showText(this.text, null, () => this.end(), this.prompt ? 0 : 1500, this.prompt);
  }
}

export class FaintPhase extends PokemonPhase {
  constructor(scene: BattleScene, player: boolean) {
    super(scene, player);
  }

  start() {
    super.start();

    if (this.player) {
      this.scene.unshiftPhase(new MessagePhase(this.scene, `${this.getPokemon().name} fainted!`, true));
      this.scene.unshiftPhase(new SwitchPhase(this.scene, true, false));
    } else {
      this.scene.unshiftPhase(new MessagePhase(this.scene, `Foe ${this.getPokemon().name} fainted!`, true));
      this.scene.unshiftPhase(new VictoryPhase(this.scene));
    }
      
    const pokemon = this.getPokemon();
    pokemon.faintCry(() => {
      pokemon.hideInfo();
      this.scene.sound.play('faint');
      this.scene.tweens.add({
        targets: pokemon,
        duration: 500,
        y: pokemon.y + 150,
        ease: 'Sine.easeIn',
        onComplete: () => {
          pokemon.setVisible(false);
          pokemon.y -= 150;
          if (pokemon instanceof PlayerPokemon)
            this.scene.currentBattle.removeFaintedParticipant(pokemon as PlayerPokemon);
          this.scene.field.remove(pokemon);
          this.end();
        }
      });
    });
  }
}

export class VictoryPhase extends PokemonPhase {
  constructor(scene: BattleScene) {
    super(scene, true);
  }

  start() {
    super.start();

    const participantIds = this.scene.currentBattle.playerParticipantIds;
    const party = this.scene.getParty();
    const expShareModifier = this.scene.getModifier(ExpShareModifier) as ExpShareModifier;
    const expValue = this.scene.getEnemyPokemon().getExpValue(party[0]);
    for (let pm = 0; pm < party.length; pm++) {
      const pokemon = party[pm];
      if (!pokemon.hp)
        continue;
      const pId = pokemon.id;
      const participated = participantIds.has(pId);
      if (!participated && !expShareModifier)
        continue;
      if (pokemon.level < 100) {
        let expMultiplier = 0;
        if (participated)
          expMultiplier += (1 / participantIds.size);
        if (expShareModifier)
          expMultiplier += expShareModifier.stackCount * 0.1;
        console.log(pokemon.species.name, expMultiplier)
        this.scene.unshiftPhase(new ExpPhase(this.scene, pm, expValue * expMultiplier));
      }
    }
    this.scene.unshiftPhase(new SelectModifierPhase(this.scene));
    this.scene.newBattle();

    this.end();
  }
}

export class SwitchPhase extends BattlePhase {
  private isModal: boolean;
  private doReturn: boolean;

  constructor(scene: BattleScene, isModal: boolean, doReturn: boolean) {
    super(scene);

    this.doReturn = doReturn;
    this.isModal = isModal;
  }

  start() {
    super.start();

    this.scene.ui.setMode(Mode.PARTY, this.isModal, (slotIndex: integer) => {
      if (slotIndex && slotIndex < 6)
        this.scene.unshiftPhase(new SwitchSummonPhase(this.scene, slotIndex, this.doReturn));
      this.scene.ui.setMode(Mode.MESSAGE);
      super.end();
    }, PartyUiHandler.FilterNonFainted);
  }
}

export class ExpPhase extends PartyMemberPokemonPhase {
  private expValue: number;

  constructor(scene: BattleScene, partyMemberIndex: integer, expValue: number) {
    super(scene, partyMemberIndex);

    this.expValue = expValue;
  }

  start() {
    super.start();

    const pokemon = this.getPokemon();
    let exp = new Utils.NumberHolder(this.expValue);
    this.scene.applyModifiers(ExpBoosterModifier, exp);
    exp.value = Math.floor(exp.value);
    this.scene.ui.showText(`${pokemon.name} gained\n${exp.value} EXP. Points!`, null, () => {
      const lastLevel = pokemon.level;
      let newLevel: integer;
      pokemon.addExp(exp.value);
      newLevel = pokemon.level;
      if (newLevel > lastLevel)
        this.scene.unshiftPhase(new LevelUpPhase(this.scene, this.partyMemberIndex, newLevel));
      pokemon.updateInfo(() => this.end());
    }, null, true);
  }


}

export class LevelUpPhase extends PartyMemberPokemonPhase {
  private level: integer;

  constructor(scene: BattleScene, partyMemberIndex: integer, level: integer) {
    super(scene, partyMemberIndex);

    this.level = level;
  }

  start() {
    super.start();

    const pokemon = this.getPokemon();
    const prevStats = pokemon.stats.slice(0);
    pokemon.calculateStats();
    pokemon.updateInfo();
    this.scene.pauseBgm();
    this.scene.sound.play('level_up_fanfare');
    this.scene.ui.showText(`${this.getPokemon().name} grew to\nLV. ${this.level}!`, null, () => this.scene.ui.getMessageHandler().promptLevelUpStats(prevStats, false, () => this.end()), null, true);
    const levelMoves = pokemonLevelMoves[pokemon.species.speciesId];
    if (levelMoves) {
      for (let lm of levelMoves) {
        const level = lm[0];
        if (level < this.level)
          continue;
        else if (level > this.level)
          break;
        this.scene.unshiftPhase(new LearnMovePhase(this.scene, this.partyMemberIndex, lm[1]));
      }
    }
    this.scene.time.delayedCall(1500, () => this.scene.resumeBgm());
  }
}

export class LearnMovePhase extends PartyMemberPokemonPhase {
  private moveId: Move;

  constructor(scene: BattleScene, partyMemberIndex: integer, moveId: Move) {
    super(scene, partyMemberIndex);

    this.moveId = moveId;
  }

  start() {
    super.start();

    const pokemon = this.getPokemon();
    const move = allMoves[this.moveId - 1];

    if (pokemon.moveset.length < 4) {
      pokemon.moveset.push(new PokemonMove(this.moveId, 0, 0));
      loadMoveAnimAssets(this.scene, [ this.moveId ])
        .then(() => {
          this.scene.sound.play('level_up_fanfare');
          this.scene.ui.showText(`${pokemon.name} learned\n${Utils.toPokemonUpperCase(move.name)}!`, null, () => this.end(), null, true);
        });
    } else
      this.end();
  }
}

export class AttemptCapturePhase extends BattlePhase {
  private pokeballType: PokeballType;
  private pokeball: Phaser.GameObjects.Sprite;
  private originalY: number;

  constructor(scene: BattleScene, pokeballType: PokeballType) {
    super(scene);

    this.pokeballType = pokeballType;
  }

  start() {
    super.start();

    this.scene.pokeballCounts[this.pokeballType]--;

    const pokemon = this.scene.getEnemyPokemon();
    this.originalY = pokemon.y;

    const _3m = 3 * pokemon.getMaxHp();
    const _2h = 2 * pokemon.hp;
    const catchRate = pokemon.species.catchRate;
    const pokeballMultiplier = getPokeballCatchMultiplier(this.pokeballType);
    const statusMultiplier = 1;
    const x = Math.round((((_3m - _2h) * catchRate * pokeballMultiplier) / _3m) * statusMultiplier);
    const y = Math.round(65536 / Math.sqrt(Math.sqrt(255 / x)));

    const pokeballAtlasKey = getPokeballAtlasKey(this.pokeballType);
    this.pokeball = this.scene.add.sprite(16, 80, 'pb', pokeballAtlasKey);
    this.pokeball.setOrigin(0.5, 0.625);
    this.scene.field.add(this.pokeball);

    this.scene.sound.play('pb_throw');
    this.scene.time.delayedCall(300, () => {
      this.scene.field.moveBelow(this.pokeball, pokemon);
    });
    this.scene.tweens.add({
      targets: this.pokeball,
      x: { value: 236, ease: 'Linear' },
      y: { value: 16, ease: 'Cubic.easeOut' },
      duration: 500,
      onComplete: () => {
        this.pokeball.setTexture('pb', `${pokeballAtlasKey}_opening`);
        this.scene.time.delayedCall(17, () => this.pokeball.setTexture('pb', `${pokeballAtlasKey}_open`));
        this.scene.sound.play('pb_rel');
        pokemon.tint(getPokeballTintColor(this.pokeballType));
        this.scene.tweens.add({
          targets: pokemon,
          duration: 250,
          ease: 'Sine.easeIn',
          scale: 0.25,
          y: 20,
          onComplete: () => {
            this.pokeball.setTexture('pb', `${pokeballAtlasKey}_opening`);
            pokemon.setVisible(false);
            this.scene.sound.play('pb_catch');
            this.scene.time.delayedCall(17, () => this.pokeball.setTexture('pb', `${pokeballAtlasKey}`));

            const doShake = this.pokeballType !== PokeballType.MASTER_BALL ? () => {
              let shakeCount = 0;
              const pbX = this.pokeball.x;
              const shakeCounter = this.scene.tweens.addCounter({
                from: 0,
                to: 1,
                repeat: 4,
                yoyo: true,
                ease: 'Cubic.easeOut',
                duration: 250,
                repeatDelay: 500,
                onUpdate: t => {
                  if (shakeCount && shakeCount < 4) {
                    const value = t.getValue();
                    const directionMultiplier = shakeCount % 2 === 1 ? 1 : -1;
                    this.pokeball.setX(pbX + value * 4 * directionMultiplier);
                    this.pokeball.setAngle(value * 27.5 * directionMultiplier);
                  }
                },
                onRepeat: () => {
                  if (shakeCount++ < 3) {
                    if (Utils.randInt(65536) < y)
                      this.scene.sound.play('pb_move');
                    else {
                      shakeCounter.stop();
                      this.release(shakeCount);
                    }
                  } else
                    this.scene.sound.play('pb_lock')
                },
                onComplete: () => {
                  this.catch();
                }
              });
            } : () => this.catch();

            this.scene.time.delayedCall(250, () => doPokeballBounceAnim(this.scene, this.pokeball, 16, 72, 350, doShake));
          }
        });
      }
    });
  }

  release(shakeCount: integer) {
    const pokemon = this.scene.getEnemyPokemon();

    this.scene.sound.play('pb_rel');
    pokemon.setY(this.originalY);
    pokemon.cry();
    pokemon.tint(getPokeballTintColor(this.pokeballType));
    pokemon.setVisible(true);
    pokemon.untint(250, 'Sine.easeOut');

    const pokeballAtlasKey = getPokeballAtlasKey(this.pokeballType);
    this.pokeball.setTexture('pb', `${pokeballAtlasKey}_opening`);
    this.scene.time.delayedCall(17, () => this.pokeball.setTexture('pb', `${pokeballAtlasKey}_open`));

    this.scene.tweens.add({
      targets: pokemon,
      duration: 250,
      ease: 'Sine.easeOut',
      scale: 1
    });
    
    this.removePb();
    this.end();
  }

  catch() {
    console.log(this, 'catch')
    const pokemon = this.scene.getEnemyPokemon();
    this.scene.unshiftPhase(new VictoryPhase(this.scene));
    this.scene.ui.showText(`${pokemon.name} was caught!`, null, () => {
      pokemon.hideInfo();
      const newPokemon = pokemon.addToParty();
      this.scene.field.remove(pokemon, true);
      newPokemon.loadAssets().then(() => {
        this.removePb();
        this.end();
      });
    }, 0, true);
  }

  removePb() {
    this.scene.tweens.add({
      targets: this.pokeball,
      duration: 250,
      delay: 250,
      ease: 'Sine.easeIn',
      alpha: 0,
      onComplete: () => this.pokeball.destroy()
    });
  }
}

export class SelectModifierPhase extends BattlePhase {
  constructor(scene: BattleScene) {
    super(scene);
  }

  start() {
    super.start();

    regenerateModifierPoolThresholds(this.scene.getParty());
    const modifierCount = new Utils.IntegerHolder(3);
    this.scene.applyModifiers(ExtraModifierModifier, modifierCount);
    const types: Array<ModifierType> = getModifierTypesForWave(this.scene.currentBattle.waveIndex - 1, modifierCount.value);

    this.scene.ui.setMode(Mode.MODIFIER_SELECT, types, (cursor: integer) => {
      if (cursor < 0) {
        this.scene.ui.setMode(Mode.MESSAGE);
        super.end();
        return;
      }

      const modifierType = types[cursor];
      if (modifierType instanceof PokemonModifierType) {
        const pokemonModifierType = modifierType as PokemonModifierType;
        this.scene.ui.setModeWithoutClear(Mode.PARTY, false, (slotIndex: integer) => {
          if (slotIndex < 6) {
            this.scene.ui.setMode(Mode.MODIFIER_SELECT);
            this.scene.addModifier(types[cursor].newModifier(this.scene.getParty()[slotIndex]));
            this.scene.ui.setMode(Mode.MESSAGE);
            super.end();
          } else
            this.scene.ui.setMode(Mode.MODIFIER_SELECT);
        }, pokemonModifierType.selectFilter);
      } else {
        this.scene.addModifier(types[cursor].newModifier())
        this.scene.ui.setMode(Mode.MESSAGE);
        super.end();
      }
    });
  }
}

export class ShinySparklePhase extends PokemonPhase {
  constructor(scene: BattleScene, player: boolean) {
    super(scene, player);
  }

  start() {
    super.start();

    this.getPokemon().sparkle();
    this.scene.time.delayedCall(1000, () => this.end());
  }
}