[Ability] Implement Ice Face (#1755)

* implement ice face ability

* remove showing ability bar

* fixes

* add documentations

* move code out of phases.ts

* add hardcoded eiscue check, localization

* add KO locale

* remove unnecessary constructor

* use && instead of || to specify ice form on eiscue

src/battle-scene.ts

@@ -59,6 +59,7 @@ import {InputsController} from "./inputs-controller";
 import {UiInputs} from "./ui-inputs";
 import { MoneyFormat } from "./enums/money-format";
 import { NewArenaEvent } from "./battle-scene-events";
+import { Abilities } from "./data/enums/abilities";
 import ArenaFlyout from "./ui/arena-flyout";
 import { EaseType } from "./ui/enums/ease-type";
 
@@ -1048,6 +1049,12 @@ export default class BattleScene extends SceneBase {
       if (resetArenaState) {
         this.arena.removeAllTags();
         playerField.forEach((_, p) => this.unshiftPhase(new ReturnPhase(this, p)));
+
+        for (const pokemon of this.getParty()) {
+          if (pokemon.hasAbility(Abilities.ICE_FACE)) {
+            pokemon.formIndex = 0;
+          }
+        }
         this.unshiftPhase(new ShowTrainerPhase(this));
       }
       for (const pokemon of this.getParty()) {

src/data/ability.ts

@@ -3344,6 +3344,48 @@ export class PostSummonStatChangeOnArenaAbAttr extends PostSummonStatChangeAbAtt
   }
 }
 
+/**
+ * Applies immunity to physical moves.
+ * This is used in Ice Face ability.
+ */
+export class IceFaceMoveImmunityAbAttr extends MoveImmunityAbAttr {
+  /**
+   * Applies the Ice Face pre-defense ability to the Pokémon.
+   * Removes BattlerTagType.ICE_FACE hit by physical attack and is in Ice Face form.
+   *
+   * @param {Pokemon} pokemon - The Pokémon with the Ice Face ability.
+   * @param {boolean} passive - Whether the ability is passive.
+   * @param {Pokemon} attacker - The attacking Pokémon.
+   * @param {PokemonMove} move - The move being used.
+   * @param {Utils.BooleanHolder} cancelled - A holder for whether the move was cancelled.
+   * @param {any[]} args - Additional arguments.
+   * @returns {boolean} - Whether the immunity was applied.
+   */
+  applyPreDefend(pokemon: Pokemon, passive: boolean, attacker: Pokemon, move: PokemonMove, cancelled: Utils.BooleanHolder, args: any[]): boolean {
+    const isImmune = super.applyPreDefend(pokemon, passive, attacker, move, cancelled, args);
+
+    if (isImmune) {
+      const simulated = args.length > 1 && args[1];
+      if (!simulated) {
+        pokemon.removeTag(BattlerTagType.ICE_FACE);
+      }
+    }
+
+    return isImmune;
+  }
+
+  /**
+   * Gets the message triggered when the Pokémon avoids damage using the Ice Face ability.
+   * @param {Pokemon} pokemon - The Pokémon with the Ice Face ability.
+   * @param {string} abilityName - The name of the ability.
+   * @param {...any} args - Additional arguments.
+   * @returns {string} - The trigger message.
+   */
+  getTriggerMessage(pokemon: Pokemon, abilityName: string, ...args: any[]): string {
+    return i18next.t("abilityTriggers:iceFaceAvoidedDamage", { pokemonName: pokemon.name, abilityName: abilityName });
+  }
+}
+
 function applyAbAttrsInternal<TAttr extends AbAttr>(attrType: { new(...args: any[]): TAttr },
   pokemon: Pokemon, applyFunc: AbAttrApplyFunc<TAttr>, args: any[], isAsync: boolean = false, showAbilityInstant: boolean = false, quiet: boolean = false, passive: boolean = false): Promise<void> {
   return new Promise(resolve => {
@@ -4330,8 +4372,14 @@ export function initAbilities() {
       .attr(UnsuppressableAbilityAbAttr)
       .attr(NoTransformAbilityAbAttr)
       .attr(NoFusionAbilityAbAttr)
-      .ignorable()
-      .unimplemented(),
+      // Add BattlerTagType.ICE_FACE if the pokemon is in ice face form
+      .conditionalAttr(pokemon => pokemon.formIndex === 0, PostSummonAddBattlerTagAbAttr, BattlerTagType.ICE_FACE, 0, false)
+      // When summoned with active HAIL or SNOW, add BattlerTagType.ICE_FACE
+      .conditionalAttr(getWeatherCondition(WeatherType.HAIL, WeatherType.SNOW), PostSummonAddBattlerTagAbAttr, BattlerTagType.ICE_FACE, 0)
+      // When weather changes to HAIL or SNOW while pokemon is fielded, add BattlerTagType.ICE_FACE
+      .attr(PostWeatherChangeAddBattlerTagAttr, BattlerTagType.ICE_FACE, 0, WeatherType.HAIL, WeatherType.SNOW)
+      .attr(IceFaceMoveImmunityAbAttr, (target, user, move) => move.getMove().category === MoveCategory.PHYSICAL && !!target.getTag(BattlerTagType.ICE_FACE))
+      .ignorable(),
     new Ability(Abilities.POWER_SPOT, 8)
       .unimplemented(),
     new Ability(Abilities.MIMICRY, 8)

src/data/battler-tags.ts

@@ -15,6 +15,8 @@ import { TerrainType } from "./terrain";
 import { WeatherType } from "./weather";
 import { BattleStat } from "./battle-stat";
 import { allAbilities } from "./ability";
+import { SpeciesFormChangeManualTrigger } from "./pokemon-forms";
+import { Species } from "./enums/species";
 
 export enum BattlerTagLapseType {
   FAINT,
@@ -1354,6 +1356,57 @@ export class CursedTag extends BattlerTag {
   }
 }
 
+/**
+ * Provides the Ice Face ability's effects.
+ */
+export class IceFaceTag extends BattlerTag {
+  constructor(sourceMove: Moves) {
+    super(BattlerTagType.ICE_FACE, BattlerTagLapseType.CUSTOM, 1, sourceMove);
+  }
+
+  /**
+   * Determines if the Ice Face tag can be added to the Pokémon.
+   * @param {Pokemon} pokemon - The Pokémon to which the tag might be added.
+   * @returns {boolean} - True if the tag can be added, false otherwise.
+   */
+  canAdd(pokemon: Pokemon): boolean {
+    const weatherType = pokemon.scene.arena.weather?.weatherType;
+    const isWeatherSnowOrHail = weatherType === WeatherType.HAIL || weatherType === WeatherType.SNOW;
+    const isFormIceFace = pokemon.formIndex === 0;
+
+
+    // Hard code Eiscue for now, this is to prevent the game from crashing if fused pokemon has Ice Face
+    if ((pokemon.species.speciesId === Species.EISCUE && isFormIceFace) ||  isWeatherSnowOrHail) {
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Applies the Ice Face tag to the Pokémon.
+   * Triggers a form change to Ice Face if the Pokémon is not in its Ice Face form.
+   * @param {Pokemon} pokemon - The Pokémon to which the tag is added.
+   */
+  onAdd(pokemon: Pokemon): void {
+    super.onAdd(pokemon);
+
+    if (pokemon.formIndex !== 0) {
+      pokemon.scene.triggerPokemonFormChange(pokemon, SpeciesFormChangeManualTrigger);
+    }
+  }
+
+  /**
+   * Removes the Ice Face tag from the Pokémon.
+   * Triggers a form change to Noice when the tag is removed.
+   * @param {Pokemon} pokemon - The Pokémon from which the tag is removed.
+   */
+  onRemove(pokemon: Pokemon): void {
+    super.onRemove(pokemon);
+
+    pokemon.scene.triggerPokemonFormChange(pokemon, SpeciesFormChangeManualTrigger);
+  }
+}
+
 export function getBattlerTag(tagType: BattlerTagType, turnCount: integer, sourceMove: Moves, sourceId: integer): BattlerTag {
   switch (tagType) {
   case BattlerTagType.RECHARGING:
@@ -1467,6 +1520,8 @@ export function getBattlerTag(tagType: BattlerTagType, turnCount: integer, sourc
     return new MinimizeTag();
   case BattlerTagType.DESTINY_BOND:
     return new DestinyBondTag(sourceMove, sourceId);
+  case BattlerTagType.ICE_FACE:
+    return new IceFaceTag(sourceMove);
   case BattlerTagType.NONE:
   default:
     return new BattlerTag(tagType, BattlerTagLapseType.CUSTOM, turnCount, sourceMove, sourceId);

src/data/enums/battler-tag-type.ts

@@ -57,5 +57,6 @@ export enum BattlerTagType {
   GROUNDED = "GROUNDED",
   MAGNET_RISEN = "MAGNET_RISEN",
   MINIMIZED = "MINIMIZED",
-  DESTINY_BOND = "DESTINY_BOND"
+  DESTINY_BOND = "DESTINY_BOND",
+  ICE_FACE = "ICE_FACE"
 }

src/data/pokemon-forms.ts

@@ -730,6 +730,10 @@ export const pokemonFormChanges: PokemonFormChanges = {
   [Species.GALAR_DARMANITAN]: [
     new SpeciesFormChange(Species.GALAR_DARMANITAN, "", "zen", new SpeciesFormChangeManualTrigger(), true),
     new SpeciesFormChange(Species.GALAR_DARMANITAN, "zen", "", new SpeciesFormChangeManualTrigger(), true)
+  ],
+  [Species.EISCUE]: [
+    new SpeciesFormChange(Species.EISCUE, "", "no-ice", new SpeciesFormChangeManualTrigger(), true),
+    new SpeciesFormChange(Species.EISCUE, "no-ice", "", new SpeciesFormChangeManualTrigger(), true),
   ]
 };
 

src/locales/de/ability-trigger.ts

@@ -4,4 +4,5 @@ export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{pokemonName}} wurde durch {{abilityName}}\nvor Rückstoß geschützt!",
   "badDreams": "{{pokemonName}} ist in einem Alptraum gefangen!",
   "windPowerCharged": "Being hit by {{moveName}} charged {{pokemonName}} with power!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/en/ability-trigger.ts

@@ -5,5 +5,6 @@ export const abilityTriggers: SimpleTranslationEntries = {
   "badDreams": "{{pokemonName}} is tormented!",
   "windPowerCharged": "Being hit by {{moveName}} charged {{pokemonName}} with power!",
   "perishBody": "{{pokemonName}}'s {{abilityName}}\nwill faint both pokemon in 3 turns!",
-  "poisonHeal": "{{pokemonName}}'s {{abilityName}}\nrestored its HP a little!"
+  "poisonHeal": "{{pokemonName}}'s {{abilityName}}\nrestored its HP a little!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/es/ability-trigger.ts

@@ -4,4 +4,5 @@ export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "¡{{abilityName}} de {{pokemonName}}\nlo protegió del daño de retroceso!",
   "badDreams": "¡{{pokemonName}} está atormentado!",
   "windPowerCharged": "¡{{pokemonName}} se ha cargado de electricidad gracias a {{moveName}}!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/fr/ability-trigger.ts

@@ -3,5 +3,6 @@ import { SimpleTranslationEntries } from "#app/plugins/i18n";
 export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{abilityName}}\nde {{pokemonName}} le protège du contrecoup !",
   "badDreams": "{{pokemonName}} a le sommeil agité !",
-  "windPowerCharged": "{{pokemonName}} a été touché par la capacité {{moveName}} et se charge en électricité !"
+  "windPowerCharged": "{{pokemonName}} a été touché par la capacité {{moveName}} et se charge en électricité !",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/it/ability-trigger.ts

@@ -4,4 +4,5 @@ export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{abilityName}} di {{pokemonName}}\nl'ha protetto dal contraccolpo!",
   "badDreams": "{{pokemonName}} è tormentato!",
   "windPowerCharged": "Being hit by {{moveName}} charged {{pokemonName}} with power!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/ko/ability-trigger.ts

@@ -3,4 +3,5 @@ import { SimpleTranslationEntries } from "#app/plugins/i18n";
 export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{pokemonName}}[[는]] {{abilityName}} 때문에\n반동 데미지를 받지 않는다!",
   "badDreams": "{{pokemonName}}[[는]]\n나이트메어 때문에 시달리고 있다!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/pt_BR/ability-trigger.ts

@@ -3,5 +3,6 @@ import { SimpleTranslationEntries } from "#app/plugins/i18n";
 export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{abilityName}} de {{pokemonName}}\nprotegeu-o do dano de recuo!",
   "badDreams": "{{pokemonName}} está tendo pesadelos!",
-  "windPowerCharged": "Ser atingido por {{moveName}} carregou {{pokemonName}} com poder!"
+  "windPowerCharged": "Ser atingido por {{moveName}} carregou {{pokemonName}} com poder!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/zh_CN/ability-trigger.ts

@@ -3,5 +3,6 @@ import { SimpleTranslationEntries } from "#app/plugins/i18n";
 export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{pokemonName}} 的 {{abilityName}}\n抵消了反作用力！",
   "badDreams": "{{pokemonName}} 被折磨着!",
-  "windPowerCharged": "受 {{moveName}} 的影响， {{pokemonName}} 提升了能力！"
+  "windPowerCharged": "受 {{moveName}} 的影响， {{pokemonName}} 提升了能力！",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;

src/locales/zh_TW/ability-trigger.ts

@@ -3,5 +3,6 @@ import { SimpleTranslationEntries } from "#app/plugins/i18n";
 export const abilityTriggers: SimpleTranslationEntries = {
   "blockRecoilDamage" : "{{pokemonName}} 的 {{abilityName}}\n抵消了反作用力!",
   "badDreams": "{{pokemonName}} 被折磨着!",
-  "windPowerCharged": "Being hit by {{moveName}} charged {{pokemonName}} with power!"
+  "windPowerCharged": "Being hit by {{moveName}} charged {{pokemonName}} with power!",
+  "iceFaceAvoidedDamage": "{{pokemonName}} avoided\ndamage with {{abilityName}}!"
 } as const;