pokerogue/src/data/mystery-encounters/encounters/lost-at-sea-encounter.ts

import { getPokemonSpecies } from "#app/data/pokemon-species";
import { MoveId } from "#enums/move-id";
import { SpeciesId } from "#enums/species-id";
import { MysteryEncounterType } from "#enums/mystery-encounter-type";
import { globalScene } from "#app/global-scene";
import type MysteryEncounter from "#app/data/mystery-encounters/mystery-encounter";
import { MysteryEncounterBuilder } from "#app/data/mystery-encounters/mystery-encounter";
import { MysteryEncounterOptionBuilder } from "#app/data/mystery-encounters/mystery-encounter-option";
import { leaveEncounterWithoutBattle, setEncounterExp } from "../utils/encounter-phase-utils";
import { applyDamageToPokemon } from "#app/data/mystery-encounters/utils/encounter-pokemon-utils";
import { MysteryEncounterTier } from "#enums/mystery-encounter-tier";
import { MysteryEncounterOptionMode } from "#enums/mystery-encounter-option-mode";
import { CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES } from "#app/constants";
import { PokemonMove } from "#app/field/pokemon";

const OPTION_1_REQUIRED_MOVE = MoveId.SURF;
const OPTION_2_REQUIRED_MOVE = MoveId.FLY;
/**
 * Damage percentage taken when wandering aimlessly.
 * Can be a number between `0` - `100`.
 * The higher the more damage taken (100% = instant KO).
 */
const DAMAGE_PERCENTAGE: number = 25;
/** The i18n namespace for the encounter */
const namespace = "mysteryEncounters/lostAtSea";

/**
 * Lost at sea encounter.
 * @see {@link https://github.com/pagefaultgames/pokerogue/issues/3793 | GitHub Issue #3793}
 * @see For biome requirements check {@linkcode mysteryEncountersByBiome}
 */
export const LostAtSeaEncounter: MysteryEncounter = MysteryEncounterBuilder.withEncounterType(
  MysteryEncounterType.LOST_AT_SEA,
)
  .withEncounterTier(MysteryEncounterTier.COMMON)
  .withSceneWaveRangeRequirement(...CLASSIC_MODE_MYSTERY_ENCOUNTER_WAVES)
  .withIntroSpriteConfigs([
    {
      spriteKey: "lost_at_sea_buoy",
      fileRoot: "mystery-encounters",
      hasShadow: false,
      x: 20,
      y: 3,
    },
  ])
  .withIntroDialogue([{ text: `${namespace}:intro` }])
  .withOnInit(() => {
    const encounter = globalScene.currentBattle.mysteryEncounter!;

    encounter.setDialogueToken("damagePercentage", String(DAMAGE_PERCENTAGE));
    encounter.setDialogueToken("option1RequiredMove", new PokemonMove(OPTION_1_REQUIRED_MOVE).getName());
    encounter.setDialogueToken("option2RequiredMove", new PokemonMove(OPTION_2_REQUIRED_MOVE).getName());

    return true;
  })
  .setLocalizationKey(`${namespace}`)
  .withTitle(`${namespace}:title`)
  .withDescription(`${namespace}:description`)
  .withQuery(`${namespace}:query`)
  .withOption(
    // Option 1: Use a (non fainted) pokemon that can learn Surf to guide you back/
    MysteryEncounterOptionBuilder.newOptionWithMode(MysteryEncounterOptionMode.DISABLED_OR_DEFAULT)
      .withPokemonCanLearnMoveRequirement(OPTION_1_REQUIRED_MOVE)
      .withDialogue({
        buttonLabel: `${namespace}:option.1.label`,
        disabledButtonLabel: `${namespace}:option.1.label_disabled`,
        buttonTooltip: `${namespace}:option.1.tooltip`,
        disabledButtonTooltip: `${namespace}:option.1.tooltip_disabled`,
        selected: [
          {
            text: `${namespace}:option.1.selected`,
          },
        ],
      })
      .withOptionPhase(async () => handlePokemonGuidingYouPhase())
      .build(),
  )
  .withOption(
    //Option 2: Use a (non fainted) pokemon that can learn fly to guide you back.
    MysteryEncounterOptionBuilder.newOptionWithMode(MysteryEncounterOptionMode.DISABLED_OR_DEFAULT)
      .withPokemonCanLearnMoveRequirement(OPTION_2_REQUIRED_MOVE)
      .withDialogue({
        buttonLabel: `${namespace}:option.2.label`,
        disabledButtonLabel: `${namespace}:option.2.label_disabled`,
        buttonTooltip: `${namespace}:option.2.tooltip`,
        disabledButtonTooltip: `${namespace}:option.2.tooltip_disabled`,
        selected: [
          {
            text: `${namespace}:option.2.selected`,
          },
        ],
      })
      .withOptionPhase(async () => handlePokemonGuidingYouPhase())
      .build(),
  )
  .withSimpleOption(
    // Option 3: Wander aimlessly
    {
      buttonLabel: `${namespace}:option.3.label`,
      buttonTooltip: `${namespace}:option.3.tooltip`,
      selected: [
        {
          text: `${namespace}:option.3.selected`,
        },
      ],
    },
    async () => {
      const allowedPokemon = globalScene.getPlayerParty().filter(p => p.isAllowedInBattle());

      for (const pkm of allowedPokemon) {
        const percentage = DAMAGE_PERCENTAGE / 100;
        const damage = Math.floor(pkm.getMaxHp() * percentage);
        applyDamageToPokemon(pkm, damage);
      }

      leaveEncounterWithoutBattle();

      return true;
    },
  )
  .withOutroDialogue([
    {
      text: `${namespace}:outro`,
    },
  ])
  .build();

/**
 * Generic handler for using a guiding pokemon to guide you back.
 */
function handlePokemonGuidingYouPhase() {
  const laprasSpecies = getPokemonSpecies(SpeciesId.LAPRAS);
  const { mysteryEncounter } = globalScene.currentBattle;

  if (mysteryEncounter?.selectedOption?.primaryPokemon?.id) {
    setEncounterExp(mysteryEncounter.selectedOption.primaryPokemon.id, laprasSpecies.baseExp, true);
  } else {
    console.warn("Lost at sea: No guide pokemon found but pokemon guides player. huh!?");
  }

  leaveEncounterWithoutBattle();
  return true;
}