pokerogue/test/moves/powder.test.ts

import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
import Phaser from "phaser";
import GameManager from "#test/testUtils/gameManager";
import { Abilities } from "#enums/abilities";
import { Moves } from "#enums/moves";
import { Species } from "#enums/species";
import { BerryPhase } from "#app/phases/berry-phase";
import { MoveResult, PokemonMove } from "#app/field/pokemon";
import { PokemonType } from "#enums/pokemon-type";
import { MoveEffectPhase } from "#app/phases/move-effect-phase";
import { StatusEffect } from "#enums/status-effect";
import { BattlerIndex } from "#app/battle";

describe("Moves - Powder", () => {
  let phaserGame: Phaser.Game;
  let game: GameManager;

  beforeAll(() => {
    phaserGame = new Phaser.Game({
      type: Phaser.HEADLESS,
    });
  });

  afterEach(() => {
    game.phaseInterceptor.restoreOg();
  });

  beforeEach(() => {
    game = new GameManager(phaserGame);
    game.override.battleStyle("single");

    game.override
      .enemySpecies(Species.SNORLAX)
      .enemyLevel(100)
      .enemyMoveset(Moves.EMBER)
      .enemyAbility(Abilities.INSOMNIA)
      .startingLevel(100)
      .moveset([Moves.POWDER, Moves.SPLASH, Moves.FIERY_DANCE, Moves.ROAR]);
  });

  it("should cancel the target's Fire-type move, damage the target, and still consume the target's PP", async () => {
    // Cannot use enemy moveset override for this test, since it interferes with checking PP
    game.override.enemyMoveset([]);
    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;
    enemyPokemon.moveset = [new PokemonMove(Moves.EMBER)];

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
    expect(enemyPokemon.moveset[0]!.ppUsed).toBe(1);

    await game.toNextTurn();

    game.move.select(Moves.SPLASH);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.SUCCESS);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
    expect(enemyPokemon.moveset[0]!.ppUsed).toBe(2);
  });

  it("should have no effect against Grass-type Pokemon", async () => {
    game.override.enemySpecies(Species.AMOONGUSS);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.SUCCESS);
    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
  });

  it("should have no effect against Pokemon with Overcoat", async () => {
    game.override.enemyAbility(Abilities.OVERCOAT);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.SUCCESS);
    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
  });

  it("should not damage the target if the target has Magic Guard", async () => {
    game.override.enemyAbility(Abilities.MAGIC_GUARD);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
  });

  it("should not damage the target if Primordial Sea is active", async () => {
    game.override.enemyAbility(Abilities.PRIMORDIAL_SEA);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
  });

  it("should not prevent the target from thawing out with Flame Wheel", async () => {
    game.override.enemyMoveset(Array(4).fill(Moves.FLAME_WHEEL)).enemyStatusEffect(StatusEffect.FREEZE);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.status?.effect).not.toBe(StatusEffect.FREEZE);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
  });

  it("should not allow a target with Protean to change to Fire type", async () => {
    game.override.enemyAbility(Abilities.PROTEAN);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBeLessThan(enemyPokemon.getMaxHp());
    expect(enemyPokemon.summonData.types).not.toBe(PokemonType.FIRE);
  });

  it("should cancel Fire-type moves generated by the target's Dancer ability", async () => {
    game.override.battleStyle("double").enemySpecies(Species.BLASTOISE).enemyAbility(Abilities.DANCER);

    await game.classicMode.startBattle([Species.CHARIZARD, Species.CHARIZARD]);

    const playerPokemon = game.scene.getPlayerPokemon()!;
    const enemyPokemon = game.scene.getEnemyPokemon()!;

    // Turn 1: Roar away 1 opponent
    game.move.select(Moves.ROAR, 0, BattlerIndex.ENEMY_2);
    game.move.select(Moves.SPLASH, 1);
    await game.toNextTurn();
    await game.toNextTurn(); // Requires game.toNextTurn() twice due to double battle

    // Turn 2: Enemy should activate Powder twice: From using Ember, and from copying Fiery Dance via Dancer
    playerPokemon.hp = playerPokemon.getMaxHp();
    game.move.select(Moves.FIERY_DANCE, 0, BattlerIndex.ENEMY);
    game.move.select(Moves.POWDER, 1, BattlerIndex.ENEMY);

    await game.phaseInterceptor.to(MoveEffectPhase);
    const enemyStartingHp = enemyPokemon.hp;

    await game.phaseInterceptor.to(BerryPhase, false);

    // player should not take damage
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(playerPokemon.hp).toBe(playerPokemon.getMaxHp());
    // enemy should have taken damage from player's Fiery Dance + 2 Powder procs
    expect(enemyPokemon.hp).toBe(
      enemyStartingHp - playerPokemon.turnData.totalDamageDealt - 2 * Math.floor(enemyPokemon.getMaxHp() / 4),
    );
  });

  it("should cancel Fiery Dance, then prevent it from triggering Dancer", async () => {
    game.override.ability(Abilities.DANCER).enemyMoveset(Moves.FIERY_DANCE);

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const playerPokemon = game.scene.getPlayerPokemon()!;
    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
    expect(playerPokemon.getLastXMoves()[0].move).toBe(Moves.POWDER);
  });

  it("should cancel Revelation Dance if it becomes a Fire-type move", async () => {
    game.override.enemySpecies(Species.CHARIZARD).enemyMoveset(Array(4).fill(Moves.REVELATION_DANCE));

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
  });

  it("should cancel Shell Trap and damage the target, even if the move would fail", async () => {
    game.override.enemyMoveset(Array(4).fill(Moves.SHELL_TRAP));

    await game.classicMode.startBattle([Species.CHARIZARD]);

    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
  });

  it("should cancel Grass Pledge if used after ally's Fire Pledge", async () => {
    game.override.enemyMoveset([Moves.FIRE_PLEDGE, Moves.GRASS_PLEDGE]).battleStyle("double");

    await game.classicMode.startBattle([Species.CHARIZARD, Species.CHARIZARD]);
    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER, 0, BattlerIndex.ENEMY);
    game.move.select(Moves.SPLASH, 1);
    await game.forceEnemyMove(Moves.GRASS_PLEDGE, BattlerIndex.PLAYER);
    await game.forceEnemyMove(Moves.FIRE_PLEDGE, BattlerIndex.PLAYER);
    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.PLAYER_2, BattlerIndex.ENEMY_2, BattlerIndex.ENEMY]);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
  });

  it("should cancel Fire Pledge if used before ally's Water Pledge", async () => {
    game.override.enemyMoveset([Moves.FIRE_PLEDGE, Moves.WATER_PLEDGE]).battleStyle("double");

    await game.classicMode.startBattle([Species.CHARIZARD, Species.CHARIZARD]);
    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER, 0, BattlerIndex.ENEMY);
    game.move.select(Moves.SPLASH, 1);
    await game.forceEnemyMove(Moves.FIRE_PLEDGE, BattlerIndex.PLAYER);
    await game.forceEnemyMove(Moves.WATER_PLEDGE, BattlerIndex.PLAYER);
    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.PLAYER_2, BattlerIndex.ENEMY, BattlerIndex.ENEMY_2]);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.FAIL);
    expect(enemyPokemon.hp).toBe(Math.ceil((3 * enemyPokemon.getMaxHp()) / 4));
  });

  it("should NOT cancel Fire Pledge if used after ally's Water Pledge", async () => {
    game.override.enemyMoveset([Moves.FIRE_PLEDGE, Moves.WATER_PLEDGE]).battleStyle("double");

    await game.classicMode.startBattle([Species.CHARIZARD, Species.CHARIZARD]);
    const enemyPokemon = game.scene.getEnemyPokemon()!;

    game.move.select(Moves.POWDER, 0, BattlerIndex.ENEMY);
    game.move.select(Moves.SPLASH, 1);
    await game.forceEnemyMove(Moves.FIRE_PLEDGE, BattlerIndex.PLAYER);
    await game.forceEnemyMove(Moves.WATER_PLEDGE, BattlerIndex.PLAYER);
    await game.setTurnOrder([BattlerIndex.PLAYER, BattlerIndex.PLAYER_2, BattlerIndex.ENEMY_2, BattlerIndex.ENEMY]);

    await game.phaseInterceptor.to(BerryPhase, false);
    expect(enemyPokemon.getLastXMoves()[0].result).toBe(MoveResult.SUCCESS);
    expect(enemyPokemon.hp).toBe(enemyPokemon.getMaxHp());
  });
});