partially implemented protean/libero

src/data/ability.ts

@@ -964,6 +964,34 @@ export class FieldPreventExplosiveMovesAbAttr extends AbAttr {
   }
 }
 
+export class PokemonTypeChangeAttr extends PreAttackAbAttr {
+  private condition: PokemonAttackCondition;
+
+  constructor(condition: PokemonAttackCondition){
+    super(true);
+    this.condition = condition;
+  }
+
+  applyPreAttack(pokemon: Pokemon, passive: boolean, defender: Pokemon, move: PokemonMove, args: any[]): boolean {
+    const moveType = move.getMove().type;
+    let effectiveType = moveType;
+    if (args && args.length > 0 && args[0] instanceof Utils.IntegerHolder) {
+      effectiveType = args[0].value;
+    }
+
+    const pokemonType = pokemon.getTypes();
+    if(this.condition(pokemon, defender, move.getMove()))
+      if(pokemonType.length > 1 || pokemonType[0] != effectiveType){
+        pokemon.summonData.types = [effectiveType]
+        pokemon.updateInfo();
+    
+        pokemon.scene.queueMessage(getPokemonMessage(pokemon, ` transformed into the ${Utils.toReadableString(Type[effectiveType])} type!`));
+        return true;
+      }
+    return false;
+  }
+}
+
 export class MoveTypeChangeAttr extends PreAttackAbAttr {
   private newType: Type;
   private powerMultiplier: number;
@@ -3236,7 +3264,8 @@ export function initAbilities() {
     new Ability(Abilities.CHEEK_POUCH, 6)
       .unimplemented(),
     new Ability(Abilities.PROTEAN, 6)
-      .unimplemented(),
+      .attr(PokemonTypeChangeAttr, (user, target, move) => !move.hasFlag(MoveFlags.CALLS_OTHER_MOVES) && move.id !== Moves.STRUGGLE && move.id !== Moves.REVELATION_DANCE && move.id !== Moves.CAMOUFLAGE)
+      .partial(),
     new Ability(Abilities.FUR_COAT, 6)
       .attr(ReceivedMoveDamageMultiplierAbAttr, (target, user, move) => move.category === MoveCategory.PHYSICAL, 0.5)
       .ignorable(),
@@ -3458,7 +3487,8 @@ export function initAbilities() {
       .attr(PostSummonStatChangeAbAttr, BattleStat.DEF, 1, true)
       .condition(getOncePerBattleCondition(Abilities.DAUNTLESS_SHIELD)),
     new Ability(Abilities.LIBERO, 8)
-      .unimplemented(),
+    .attr(PokemonTypeChangeAttr, (user, target, move) => !move.hasFlag(MoveFlags.CALLS_OTHER_MOVES) && move.id !== Moves.STRUGGLE && move.id !== Moves.REVELATION_DANCE && move.id !== Moves.CAMOUFLAGE)
+    .partial(),
     new Ability(Abilities.BALL_FETCH, 8)
       .unimplemented(),
     new Ability(Abilities.COTTON_DOWN, 8)

src/data/move.ts

@@ -77,6 +77,7 @@ export enum MoveFlags {
   WIND_MOVE         = 1 << 14,
   TRIAGE_MOVE       = 1 << 15,
   IGNORE_ABILITIES  = 1 << 16,
+  CALLS_OTHER_MOVES = 1 << 17,
 }
 
 type MoveConditionFunc = (user: Pokemon, target: Pokemon, move: Move) => boolean;
@@ -317,6 +318,11 @@ export default class Move implements Localizable {
     return this;
   }
 
+  callsOtherMoves(callsOtherMoves?: boolean): this {
+    this.setFlag(MoveFlags.CALLS_OTHER_MOVES, callsOtherMoves);
+    return this;
+  }
+
   checkFlag(flag: MoveFlags, user: Pokemon, target: Pokemon): boolean {
     switch (flag) {
       case MoveFlags.MAKES_CONTACT:
@@ -2261,7 +2267,7 @@ export class ThunderAccuracyAttr extends VariableAccuracyAttr {
 
 export class ToxicAccuracyAttr extends VariableAccuracyAttr {
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-      if (user.isOfType(Type.POISON)) {
+      if (user.isOfType(Type.POISON) || user.hasAbility(Abilities.PROTEAN)) {
         const accuracy = args[0] as Utils.NumberHolder;
         accuracy.value = -1;
         return true;
@@ -4384,9 +4390,11 @@ export function initMoves() {
       .unimplemented(),
     new SelfStatusMove(Moves.METRONOME, Type.NORMAL, -1, 10, -1, 0, 1)
       .attr(RandomMoveAttr)
+      .callsOtherMoves()
       .ignoresVirtual(),
     new StatusMove(Moves.MIRROR_MOVE, Type.FLYING, -1, 20, -1, 0, 1)
       .attr(CopyMoveAttr)
+      .callsOtherMoves()
       .ignoresVirtual(),
     new AttackMove(Moves.SELF_DESTRUCT, Type.NORMAL, MoveCategory.PHYSICAL, 200, 100, 5, -1, 0, 1)
       .attr(SacrificialAttr)
@@ -4656,6 +4664,7 @@ export function initMoves() {
       .attr(BypassSleepAttr)
       .attr(RandomMovesetMoveAttr)
       .condition((user, target, move) => user.status?.effect === StatusEffect.SLEEP)
+      .callsOtherMoves()
       .ignoresVirtual(),
     new StatusMove(Moves.HEAL_BELL, Type.NORMAL, -1, 5, -1, 0, 2)
       .attr(PartyStatusCureAttr, "A bell chimed!", Abilities.SOUNDPROOF)
@@ -4817,6 +4826,7 @@ export function initMoves() {
       .unimplemented(),
     new StatusMove(Moves.NATURE_POWER, Type.NORMAL, -1, 20, -1, 0, 3)
       .attr(NaturePowerAttr)
+      .callsOtherMoves()
       .ignoresVirtual(),
     new SelfStatusMove(Moves.CHARGE, Type.ELECTRIC, -1, 20, -1, 0, 3)
       .attr(StatChangeAttr, BattleStat.SPDEF, 1, true)
@@ -4835,6 +4845,7 @@ export function initMoves() {
       .attr(AddArenaTagAttr, ArenaTagType.WISH, 2, true),
     new SelfStatusMove(Moves.ASSIST, Type.NORMAL, -1, 20, -1, 0, 3)
       .attr(RandomMovesetMoveAttr, true)
+      .callsOtherMoves()
       .ignoresVirtual(),
     new SelfStatusMove(Moves.INGRAIN, Type.GRASS, -1, 20, -1, 0, 3)
       .attr(AddBattlerTagAttr, BattlerTagType.INGRAIN, true, true),
@@ -4870,6 +4881,7 @@ export function initMoves() {
     new SelfStatusMove(Moves.GRUDGE, Type.GHOST, -1, 5, -1, 0, 3)
       .unimplemented(),
     new SelfStatusMove(Moves.SNATCH, Type.DARK, -1, 10, -1, 4, 3)
+      .callsOtherMoves()
       .unimplemented(),
     new AttackMove(Moves.SECRET_POWER, Type.NORMAL, MoveCategory.PHYSICAL, 70, 100, 20, 30, 0, 3)
       .makesContact(false)
@@ -5127,11 +5139,13 @@ export function initMoves() {
       .target(MoveTarget.USER_SIDE)
       .unimplemented(),
     new StatusMove(Moves.ME_FIRST, Type.NORMAL, -1, 20, -1, 0, 4)
+      .callsOtherMoves()
       .ignoresVirtual()
       .target(MoveTarget.NEAR_ENEMY)
       .unimplemented(),
     new SelfStatusMove(Moves.COPYCAT, Type.NORMAL, -1, 20, -1, 0, 4)
       .attr(CopyMoveAttr)
+      .callsOtherMoves()
       .ignoresVirtual(),
     new StatusMove(Moves.POWER_SWAP, Type.PSYCHIC, -1, 10, -1, 0, 4)
       .unimplemented(),

src/field/pokemon.ts

@@ -27,7 +27,7 @@ import { TempBattleStat } from '../data/temp-battle-stat';
 import { ArenaTagSide, WeakenMoveScreenTag, WeakenMoveTypeTag } from '../data/arena-tag';
 import { ArenaTagType } from "../data/enums/arena-tag-type";
 import { Biome } from "../data/enums/biome";
-import { Ability, AbAttr, BattleStatMultiplierAbAttr, BlockCritAbAttr, BonusCritAbAttr, BypassBurnDamageReductionAbAttr, FieldPriorityMoveImmunityAbAttr, FieldVariableMovePowerAbAttr, IgnoreOpponentStatChangesAbAttr, MoveImmunityAbAttr, MoveTypeChangeAttr, NonSuperEffectiveImmunityAbAttr, PreApplyBattlerTagAbAttr, PreDefendFullHpEndureAbAttr, ReceivedMoveDamageMultiplierAbAttr, ReduceStatusEffectDurationAbAttr, StabBoostAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, VariableMovePowerAbAttr, VariableMoveTypeAbAttr, WeightMultiplierAbAttr, allAbilities, applyAbAttrs, applyBattleStatMultiplierAbAttrs, applyPostDefendAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs, UnsuppressableAbilityAbAttr, SuppressFieldAbilitiesAbAttr, NoFusionAbilityAbAttr, MultCritAbAttr, IgnoreTypeImmunityAbAttr } from '../data/ability';
+import { Ability, AbAttr, BattleStatMultiplierAbAttr, BlockCritAbAttr, BonusCritAbAttr, BypassBurnDamageReductionAbAttr, FieldPriorityMoveImmunityAbAttr, FieldVariableMovePowerAbAttr, IgnoreOpponentStatChangesAbAttr, MoveImmunityAbAttr, MoveTypeChangeAttr, NonSuperEffectiveImmunityAbAttr, PreApplyBattlerTagAbAttr, PreDefendFullHpEndureAbAttr, ReceivedMoveDamageMultiplierAbAttr, ReduceStatusEffectDurationAbAttr, StabBoostAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, VariableMovePowerAbAttr, VariableMoveTypeAbAttr, WeightMultiplierAbAttr, allAbilities, applyAbAttrs, applyBattleStatMultiplierAbAttrs, applyPostDefendAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs, UnsuppressableAbilityAbAttr, SuppressFieldAbilitiesAbAttr, NoFusionAbilityAbAttr, MultCritAbAttr, IgnoreTypeImmunityAbAttr, PokemonTypeChangeAttr } from '../data/ability';
 import { Abilities } from "#app/data/enums/abilities";
 import PokemonData from '../system/pokemon-data';
 import Battle, { BattlerIndex } from '../battle';
@@ -1288,6 +1288,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     applyMoveAttrs(VariableMoveTypeAttr, source, this, move, variableType);
     // 2nd argument is for MoveTypeChangePowerMultiplierAbAttr
     applyAbAttrs(VariableMoveTypeAbAttr, source, null, variableType, typeChangeMovePowerMultiplier);
+    applyPreAttackAbAttrs(PokemonTypeChangeAttr, source, this, battlerMove, variableType, typeChangeMovePowerMultiplier);
     applyPreAttackAbAttrs(MoveTypeChangeAttr, source, this, battlerMove, variableType, typeChangeMovePowerMultiplier);
     const type = variableType.value as Type;
     const types = this.getTypes(true, true);