Implement Double Battles (#1)

* Add WiP logic for double battles

* Minor changes for double battles

* More fixes for double battles

* Show battle info for both in double battles

* Improvements to double battles

* Add double battle version of party UI

* Fix some issues with double battles

* Updates to double battles

* More work on double battles for stability

* Fix issues with ability bar and evolution screen

* Add chance for double battles

src/arena.ts

@@ -161,7 +161,7 @@ export class Arena {
     this.weather = weather ? new Weather(weather, viaMove ? 5 : 0) : null;
 
     if (this.weather) {
-      this.scene.unshiftPhase(new CommonAnimPhase(this.scene, true, CommonAnim.SUNNY + (weather - 1)));
+      this.scene.unshiftPhase(new CommonAnimPhase(this.scene, undefined, undefined, CommonAnim.SUNNY + (weather - 1)));
       this.scene.queueMessage(getWeatherStartMessage(weather));
     } else
       this.scene.queueMessage(getWeatherClearMessage(oldWeatherType));

src/battle-scene.ts

@@ -1,15 +1,14 @@
 import Phaser from 'phaser';
 import { Biome } from './data/biome';
 import UI from './ui/ui';
-import { EncounterPhase, SummonPhase, CommandPhase, NextEncounterPhase, NewBiomeEncounterPhase, SelectBiomePhase, MessagePhase, CheckLoadPhase } from './battle-phases';
+import { EncounterPhase, SummonPhase, NextEncounterPhase, NewBiomeEncounterPhase, SelectBiomePhase, MessagePhase, CheckLoadPhase, TurnInitPhase, ReturnPhase, ToggleDoublePositionPhase, CheckSwitchPhase } from './battle-phases';
-import Pokemon, { PlayerPokemon, EnemyPokemon } from './pokemon';
+import Pokemon, { PlayerPokemon, EnemyPokemon, FieldPosition } from './pokemon';
 import PokemonSpecies, { allSpecies, getPokemonSpecies, initSpecies } from './data/pokemon-species';
 import * as Utils from './utils';
 import { Modifier, ModifierBar, ConsumablePokemonModifier, ConsumableModifier, PokemonHpRestoreModifier, HealingBoosterModifier, PersistentModifier, PokemonHeldItemModifier, ModifierPredicate } from './modifier/modifier';
 import { PokeballType } from './data/pokeball';
 import { Species } from './data/species';
 import { initAutoPlay } from './system/auto-play';
-import { Battle } from './battle';
 import { initCommonAnims, initMoveAnim, loadCommonAnimAssets, loadMoveAnimAssets, populateAnims } from './data/battle-anims';
 import { BattlePhase } from './battle-phase';
 import { initGameSpeed } from './system/game-speed';
@@ -20,7 +19,8 @@ import { TextStyle, addTextObject } from './ui/text';
 import { Moves, initMoves } from './data/move';
 import { getDefaultModifierTypeForTier, getEnemyModifierTypesForWave } from './modifier/modifier-type';
 import AbilityBar from './ui/ability-bar';
-import { BlockItemTheftAbAttr, applyAbAttrs, initAbilities } from './data/ability';
+import { BlockItemTheftAbAttr, DoubleBattleChanceAbAttr, applyAbAttrs, initAbilities } from './data/ability';
+import Battle from './battle';
 
 const enableAuto = true;
 const quickStart = false;
@@ -156,7 +156,8 @@ export default class BattleScene extends Phaser.Scene {
 		this.loadAtlas('prompt', 'ui');
 		this.loadImage('cursor', 'ui');
 		this.loadImage('pbinfo_player', 'ui');
-		this.loadImage('pbinfo_enemy', 'ui');
+		this.loadImage('pbinfo_player_mini', 'ui');
+		this.loadImage('pbinfo_enemy_mini', 'ui');
 		this.loadImage('overlay_lv', 'ui');
 		this.loadAtlas('numbers', 'ui');
 		this.loadAtlas('overlay_hp', 'ui');
@@ -168,6 +169,7 @@ export default class BattleScene extends Phaser.Scene {
 		this.loadImage('boolean_window', 'ui');
 
 		this.loadImage('party_bg', 'ui');
+		this.loadImage('party_bg_double', 'ui');
 		this.loadAtlas('party_slot_main', 'ui');
 		this.loadAtlas('party_slot', 'ui');
 		this.loadImage('party_slot_overlay_lv', 'ui');
@@ -209,6 +211,8 @@ export default class BattleScene extends Phaser.Scene {
 		this.loadImage('starter_select_gen_cursor', 'ui');
 		this.loadImage('starter_select_gen_cursor_highlight', 'ui');
 
+		this.loadImage('default_bg', 'arenas');
+
 		// Load arena images
 		Utils.getEnumValues(Biome).map(bt => {
 			const btKey = Biome[bt].toLowerCase();
@@ -446,21 +450,35 @@ export default class BattleScene extends Phaser.Scene {
 		return this.party;
 	}
 
-	getEnemyParty(): EnemyPokemon[] {
+	getPlayerPokemon(): PlayerPokemon {
-		return this.getEnemyPokemon() ? [ this.getEnemyPokemon() ] : [];
+		return this.getPlayerField().find(p => p.isActive());
 	}
 
-	getPlayerPokemon(): PlayerPokemon {
+	getPlayerField(): PlayerPokemon[] {
-		return this.getParty()[0];
+		const party = this.getParty();
+		return party.slice(0, Math.min(party.length, this.currentBattle?.double ? 2 : 1));
 	}
 
 	getEnemyPokemon(): EnemyPokemon {
-		return this.currentBattle?.enemyPokemon;
+		return this.getEnemyField().find(p => p.isActive());
+	}
+
+	getEnemyField(): EnemyPokemon[] {
+		return this.currentBattle?.enemyField || [];
+	}
+
+	getField(): Pokemon[] {
+		const ret = new Array(4).fill(null);
+		const playerField = this.getPlayerField();
+		const enemyField = this.getEnemyField();
+		ret.splice(0, playerField.length, ...playerField);
+		ret.splice(2, enemyField.length, ...enemyField);
+		return ret;
 	}
 
 	getPokemonById(pokemonId: integer): Pokemon {
 		const findInParty = (party: Pokemon[]) => party.find(p => p.id === pokemonId);
-		return findInParty(this.getParty()) || findInParty(this.getEnemyParty());
+		return findInParty(this.getParty()) || findInParty(this.getEnemyField());
 	}
 
 	reset(): void {
@@ -475,7 +493,7 @@ export default class BattleScene extends Phaser.Scene {
 		for (let p of this.getParty())
 			p.destroy();
 		this.party = [];
-		for (let p of this.getEnemyParty())
+		for (let p of this.getEnemyField())
 			p.destroy();
 			
 		this.currentBattle = null;
@@ -493,11 +511,26 @@ export default class BattleScene extends Phaser.Scene {
 		this.trainer.setPosition(406, 132);
 	}
 
-	newBattle(waveIndex?: integer): Battle {
+	newBattle(waveIndex?: integer, double?: boolean): Battle {
+		let newWaveIndex = waveIndex || ((this.currentBattle?.waveIndex || (startingWave - 1)) + 1);
+		let newDouble: boolean;
+
+		if (double === undefined) {
+			const doubleChance = new Utils.IntegerHolder(newWaveIndex % 10 === 0 ? 32 : 8);
+			this.getPlayerField().forEach(p => applyAbAttrs(DoubleBattleChanceAbAttr, p, null, doubleChance));
+			newDouble = !Utils.randInt(doubleChance.value);
+		} else
+			newDouble = double;
+
+		const lastBattle = this.currentBattle;
+
+		this.currentBattle = new Battle(newWaveIndex, newDouble);
+		this.currentBattle.incrementTurn(this);
+
 		if (!waveIndex) {
-			if (this.currentBattle) {
+			if (lastBattle) {
-				this.getEnemyPokemon().destroy();
+				this.getEnemyField().forEach(enemyPokemon => enemyPokemon.destroy());
-				if (this.currentBattle.waveIndex % 10)
+				if (lastBattle.waveIndex % 10)
 					this.pushPhase(new NextEncounterPhase(this));
 				else {
 					this.pushPhase(new SelectBiomePhase(this));
@@ -509,12 +542,29 @@ export default class BattleScene extends Phaser.Scene {
 				else {
 					this.arena.playBgm();
 					this.pushPhase(new EncounterPhase(this));
-					this.pushPhase(new SummonPhase(this));
+					this.pushPhase(new SummonPhase(this, 0));
-				}
 				}
 			}
 
-		this.currentBattle = new Battle(waveIndex || ((this.currentBattle?.waveIndex || (startingWave - 1)) + 1));
+			if ((lastBattle?.double || false) !== newDouble) {
+				const availablePartyMemberCount = this.getParty().filter(p => !p.isFainted()).length;
+				if (newDouble) {
+					this.pushPhase(new ToggleDoublePositionPhase(this, true));
+					if (availablePartyMemberCount > 1)
+						this.pushPhase(new SummonPhase(this, 1));
+				} else {
+					if (availablePartyMemberCount > 1)
+						this.pushPhase(new ReturnPhase(this, 1));
+					this.pushPhase(new ToggleDoublePositionPhase(this, false));
+				}
+			}
+
+			if (lastBattle) {
+				this.pushPhase(new CheckSwitchPhase(this, 0, newDouble));
+				if (newDouble)
+					this.pushPhase(new CheckSwitchPhase(this, 1, newDouble));
+			}
+		}
 		
 		return this.currentBattle;
 	}
@@ -699,7 +749,7 @@ export default class BattleScene extends Phaser.Scene {
 	}
 
 	populatePhaseQueue(): void {
-		this.phaseQueue.push(new CommandPhase(this));
+		this.phaseQueue.push(new TurnInitPhase(this));
 	}
 
 	addModifier(modifier: Modifier, playSound?: boolean, virtual?: boolean): Promise<void> {
@@ -828,7 +878,9 @@ export default class BattleScene extends Phaser.Scene {
 			}
 			if (isBoss)
 				count = Math.max(count, Math.floor(chances / 2));
-			getEnemyModifierTypesForWave(waveIndex, count, this.getEnemyParty()).map(mt => mt.newModifier(this.getEnemyPokemon()).add(this.enemyModifiers, false));
+			const enemyField = this.getEnemyField();
+			getEnemyModifierTypesForWave(waveIndex, count, this.getEnemyField())
+				.map(mt => mt.newModifier(enemyField[Utils.randInt(enemyField.length)]).add(this.enemyModifiers, false));
 
 			this.updateModifiers(false).then(() => resolve());
 		});
@@ -855,7 +907,7 @@ export default class BattleScene extends Phaser.Scene {
 					modifiers.splice(modifiers.indexOf(modifier), 1);
 			}
 
-			this.updatePartyForModifiers(player ? this.getParty() : this.getEnemyParty()).then(() => {
+			this.updatePartyForModifiers(player ? this.getParty() : this.getEnemyField().filter(p => p.isActive())).then(() => {
 				(player ? this.modifierBar : this.enemyModifierBar).updateModifiers(modifiers);
 				if (!player)
 					this.updateWaveCountPosition();

src/battle.ts

@@ -1,18 +1,44 @@
-import { EnemyPokemon, PlayerPokemon } from "./pokemon";
+import BattleScene, { PokeballCounts } from "./battle-scene";
+import { EnemyPokemon, PlayerPokemon, QueuedMove } from "./pokemon";
+import { Command } from "./ui/command-ui-handler";
 import * as Utils from "./utils";
 
-export class Battle {
+export enum BattlerIndex {
+    PLAYER,
+    PLAYER_2,
+    ENEMY,
+    ENEMY_2
+}
+
+export interface TurnCommand {
+    command: Command;
+    cursor?: integer;
+    move?: QueuedMove;
+    targets?: BattlerIndex[];
+    args?: any[];
+};
+
+interface TurnCommands {
+    [key: integer]: TurnCommand
+}
+
+export default class Battle {
     public waveIndex: integer;
-    public enemyLevel: integer;
+    public enemyLevels: integer[];
-    public enemyPokemon: EnemyPokemon;
+    public enemyField: EnemyPokemon[];
+    public double: boolean;
     public turn: integer;
+    public turnCommands: TurnCommands;
+    public turnPokeballCounts: PokeballCounts;
     public playerParticipantIds: Set<integer> = new Set<integer>();
     public escapeAttempts: integer = 0;
 
-    constructor(waveIndex: integer) {
+    constructor(waveIndex: integer, double: boolean) {
         this.waveIndex = waveIndex;
-        this.enemyLevel = this.getLevelForWave();
+        this.enemyLevels = new Array(double ? 2 : 1).fill(null).map(() => this.getLevelForWave());
-        this.turn = 1;
+        this.enemyField = [];
+        this.double = double;
+        this.turn = 0;
     }
 
     private getLevelForWave(): number {
@@ -29,8 +55,14 @@ export class Battle {
         return Math.max(Math.round(baseLevel + Math.abs(Utils.randGauss(deviation))), 1);
     }
 
-    incrementTurn() {
+    getBattlerCount(): integer {
+        return this.double ? 2 : 1;
+    }
+
+    incrementTurn(scene: BattleScene): void {
         this.turn++;
+        this.turnCommands = Object.fromEntries(Utils.getEnumValues(BattlerIndex).map(bt => [ bt, null ]));
+        this.turnPokeballCounts = Object.assign({}, scene.pokeballCounts);
     }
 
     addParticipant(playerPokemon: PlayerPokemon): void {

src/data/ability.ts

@@ -1,4 +1,4 @@
-import Pokemon, { MoveResult, PokemonMove } from "../pokemon";
+import Pokemon, { HitResult, MoveResult, PokemonMove } from "../pokemon";
 import { Type } from "./type";
 import * as Utils from "../utils";
 import { BattleStat, getBattleStatName } from "./battle-stat";
@@ -83,6 +83,18 @@ export class BlockRecoilDamageAttr extends AbAttr {
   }
 }
 
+export class DoubleBattleChanceAbAttr extends AbAttr {
+  constructor() {
+    super(false);
+  }
+
+  apply(pokemon: Pokemon, cancelled: Utils.BooleanHolder, args: any[]): boolean {
+    const doubleChance = (args[0] as Utils.IntegerHolder);
+    doubleChance.value = Math.max(doubleChance.value / 2, 1);
+    return true;
+  }
+}
+
 export class PreDefendAbAttr extends AbAttr {
   applyPreDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, cancelled: Utils.BooleanHolder, args: any[]): boolean {
     return false;
@@ -155,9 +167,10 @@ export class TypeImmunityHealAbAttr extends TypeImmunityAbAttr {
   applyPreDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, cancelled: Utils.BooleanHolder, args: any[]): boolean {
     const ret = super.applyPreDefend(pokemon, attacker, move, cancelled, args);
 
-    if (ret && pokemon.getHpRatio() < 1) {
+    if (ret) {
-      const scene = pokemon.scene;
+      if (pokemon.getHpRatio() < 1)
-      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.isPlayer(), Math.max(Math.floor(pokemon.getMaxHp() / 4), 1), getPokemonMessage(pokemon, `'s ${pokemon.getAbility().name}\nrestored its HP a little!`), true));
+        pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.getBattlerIndex(),
+          Math.max(Math.floor(pokemon.getMaxHp() / 4), 1), getPokemonMessage(pokemon, `'s ${pokemon.getAbility().name}\nrestored its HP a little!`), true));
       return true;
     }
     
@@ -181,7 +194,7 @@ class TypeImmunityStatChangeAbAttr extends TypeImmunityAbAttr {
 
     if (ret) {
       cancelled.value = true;
-      pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.isPlayer(), true, [ this.stat ], this.levels));
+      pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, [ this.stat ], this.levels));
     }
     
     return ret;
@@ -232,14 +245,14 @@ export class NonSuperEffectiveImmunityAbAttr extends TypeImmunityAbAttr {
 }
 
 export class PostDefendAbAttr extends AbAttr {
-  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, moveResult: MoveResult, args: any[]): boolean {
+  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, hitResult: HitResult, args: any[]): boolean {
     return false;
   }
 }
 
 export class PostDefendTypeChangeAbAttr extends PostDefendAbAttr {
-  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, moveResult: MoveResult, args: any[]): boolean {
+  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, hitResult: HitResult, args: any[]): boolean {
-    if (moveResult < MoveResult.NO_EFFECT) {
+    if (hitResult < HitResult.NO_EFFECT) {
       const type = move.getMove().type;
       const pokemonTypes = pokemon.getTypes();
       if (pokemonTypes.length !== 1 || pokemonTypes[0] !== type) {
@@ -267,7 +280,7 @@ export class PostDefendContactApplyStatusEffectAbAttr extends PostDefendAbAttr {
     this.effects = effects;
   }
 
-  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, moveResult: MoveResult, args: any[]): boolean {
+  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, hitResult: HitResult, args: any[]): boolean {
     if (move.getMove().hasFlag(MoveFlags.MAKES_CONTACT) && Utils.randInt(100) < this.chance) {
       const effect = this.effects.length === 1 ? this.effects[0] : this.effects[Utils.randInt(this.effects.length)];
       return attacker.trySetStatus(effect);
@@ -290,7 +303,7 @@ export class PostDefendContactApplyTagChanceAbAttr extends PostDefendAbAttr {
     this.turnCount = turnCount;
   }
 
-  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, moveResult: MoveResult, args: any[]): boolean {
+  applyPostDefend(pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, hitResult: HitResult, args: any[]): boolean {
     if (move.getMove().hasFlag(MoveFlags.MAKES_CONTACT) && Utils.randInt(100) < this.chance)
       return attacker.addTag(this.tagType, this.turnCount, move.moveId, pokemon.id);
 
@@ -406,13 +419,21 @@ export class PostSummonStatChangeAbAttr extends PostSummonAbAttr {
   }
 
   applyPostSummon(pokemon: Pokemon, args: any[]): boolean {
-    const statChangePhase = new StatChangePhase(pokemon.scene, pokemon.isPlayer() === this.selfTarget, this.selfTarget, this.stats, this.levels);
+    const statChangePhases: StatChangePhase[] = [];
 
-    if (!this.selfTarget && !pokemon.getOpponent()?.summonData)
+    if (this.selfTarget)
+      statChangePhases.push(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, this.stats, this.levels));
+    else {
+      for (let opponent of pokemon.getOpponents())
+        statChangePhases.push(new StatChangePhase(pokemon.scene, opponent.getBattlerIndex(), false, this.stats, this.levels));
+    }
+
+    for (let statChangePhase of statChangePhases) {
+      if (!this.selfTarget && !statChangePhase.getPokemon().summonData)
         pokemon.scene.pushPhase(statChangePhase); // TODO: This causes the ability bar to be shown at the wrong time
       else
         pokemon.scene.unshiftPhase(statChangePhase);
-
+    }
    
     return true;
   }
@@ -576,7 +597,7 @@ export class PostTurnAbAttr extends AbAttr {
 
 export class PostTurnSpeedBoostAbAttr extends PostTurnAbAttr {
   applyPostTurn(pokemon: Pokemon, args: any[]): boolean {
-    pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.isPlayer(), true, [ BattleStat.SPD ], 1));
+    pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, [ BattleStat.SPD ], 1));
     return true;
   }
 }
@@ -594,7 +615,8 @@ export class PostTurnHealAbAttr extends PostTurnAbAttr {
   applyPostTurn(pokemon: Pokemon, args: any[]): boolean {
     if (pokemon.getHpRatio() < 1) {
       const scene = pokemon.scene;
-      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.isPlayer(), Math.max(Math.floor(pokemon.getMaxHp() / 16), 1), getPokemonMessage(pokemon, `'s ${pokemon.getAbility().name}\nrestored its HP a little!`), true));
+      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.getBattlerIndex(),
+        Math.max(Math.floor(pokemon.getMaxHp() / 16), 1), getPokemonMessage(pokemon, `'s ${pokemon.getAbility().name}\nrestored its HP a little!`), true));
       return true;
     }
 
@@ -632,7 +654,8 @@ export class PostWeatherLapseHealAbAttr extends PostWeatherLapseAbAttr {
   applyPostWeatherLapse(pokemon: Pokemon, weather: Weather, args: any[]): boolean {
     if (pokemon.getHpRatio() < 1) {
       const scene = pokemon.scene;
-      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.isPlayer(), Math.max(Math.floor(pokemon.getMaxHp() / (16 / this.healFactor)), 1), getPokemonMessage(pokemon, `'s ${pokemon.getAbility().name}\nrestored its HP a little!`), true));
+      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.getBattlerIndex(),
+        Math.max(Math.floor(pokemon.getMaxHp() / (16 / this.healFactor)), 1), getPokemonMessage(pokemon, `'s ${pokemon.getAbility().name}\nrestored its HP a little!`), true));
       return true;
     }
 
@@ -653,7 +676,7 @@ export class PostWeatherLapseDamageAbAttr extends PostWeatherLapseAbAttr {
     if (pokemon.getHpRatio() < 1) {
       const scene = pokemon.scene;
       scene.queueMessage(getPokemonMessage(pokemon, ` is hurt\nby its ${pokemon.getAbility()}!`));
-      scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer(), MoveResult.OTHER));
+      scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex(), HitResult.OTHER));
       pokemon.damage(Math.ceil(pokemon.getMaxHp() * (16 / this.damageFactor)));
       return true;
     }
@@ -685,7 +708,6 @@ export function applyAbAttrs(attrType: { new(...args: any[]): AbAttr }, pokemon:
 
   const ability = pokemon.getAbility();
   const attrs = ability.getAttrs(attrType) as AbAttr[];
-  console.log(attrs, ability);
   for (let attr of attrs) {
     if (!canApplyAttr(pokemon, attr))
       continue;
@@ -726,7 +748,7 @@ export function applyPreDefendAbAttrs(attrType: { new(...args: any[]): PreDefend
 }
 
 export function applyPostDefendAbAttrs(attrType: { new(...args: any[]): PostDefendAbAttr },
-  pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, moveResult: MoveResult, ...args: any[]): void {
+  pokemon: Pokemon, attacker: Pokemon, move: PokemonMove, hitResult: HitResult, ...args: any[]): void {
   if (!pokemon.canApplyAbility())
     return;
 
@@ -736,7 +758,7 @@ export function applyPostDefendAbAttrs(attrType: { new(...args: any[]): PostDefe
     if (!canApplyAttr(pokemon, attr))
       continue;
     pokemon.scene.setPhaseQueueSplice();
-    if (attr.applyPostDefend(pokemon, attacker, move, moveResult, args)) {
+    if (attr.applyPostDefend(pokemon, attacker, move, hitResult, args)) {
       if (attr.showAbility)
         queueShowAbility(pokemon);
       const message = attr.getTriggerMessage(pokemon, attacker, move);
@@ -988,7 +1010,7 @@ function canApplyAttr(pokemon: Pokemon, attr: AbAttr): boolean {
 }
 
 function queueShowAbility(pokemon: Pokemon): void {
-  pokemon.scene.unshiftPhase(new ShowAbilityPhase(pokemon.scene, pokemon.isPlayer()));
+  pokemon.scene.unshiftPhase(new ShowAbilityPhase(pokemon.scene, pokemon.getBattlerIndex()));
   pokemon.scene.clearPhaseQueueSplice();
 }
 
@@ -1210,7 +1232,8 @@ export function initAbilities() {
     new Ability(Abilities.HUSTLE, "Hustle (N)", "Boosts the ATTACK stat, but lowers accuracy.", 3),
     new Ability(Abilities.HYPER_CUTTER, "Hyper Cutter", "Prevents other POKéMON from lowering ATTACK stat.", 3)
       .attr(ProtectStatAbAttr, BattleStat.ATK),
-    new Ability(Abilities.ILLUMINATE, "Illuminate (N)", "Raises the likelihood of meeting wild POKéMON.", 3),
+    new Ability(Abilities.ILLUMINATE, "Illuminate", "Raises the likelihood of an encounter being a double battle.", 3)
+      .attr(DoubleBattleChanceAbAttr),
     new Ability(Abilities.IMMUNITY, "Immunity", "Prevents the POKéMON from getting poisoned.", 3)
       .attr(StatusEffectImmunityAbAttr, StatusEffect.POISON),
     new Ability(Abilities.INNER_FOCUS, "Inner Focus", "The POKéMON is protected from flinching.", 3)
@@ -1232,8 +1255,8 @@ export function initAbilities() {
     new Ability(Abilities.MAGMA_ARMOR, "Magma Armor", "Prevents the POKéMON from becoming frozen.", 3)
       .attr(StatusEffectImmunityAbAttr, StatusEffect.FREEZE),
     new Ability(Abilities.MAGNET_PULL, "Magnet Pull", "Prevents STEEL-type POKéMON from escaping.", 3)
-      .attr(ArenaTrapAbAttr)
+      /*.attr(ArenaTrapAbAttr)
-      .condition((pokemon: Pokemon) => pokemon.getOpponent()?.isOfType(Type.STEEL)),
+      .condition((pokemon: Pokemon) => pokemon.getOpponent()?.isOfType(Type.STEEL))*/, // TODO: Rework
     new Ability(Abilities.MARVEL_SCALE, "Marvel Scale (N)", "Ups DEFENSE if there is a status problem.", 3),
     new Ability(Abilities.MINUS, "Minus (N)", "Ups SP. ATK if another POKéMON has PLUS or MINUS.", 3),
     new Ability(Abilities.NATURAL_CURE, "Natural Cure (N)", "All status problems heal when it switches out.", 3),

src/data/arena-tag.ts

@@ -3,7 +3,7 @@ import { Type } from "./type";
 import * as Utils from "../utils";
 import { Moves, allMoves } from "./move";
 import { getPokemonMessage } from "../messages";
-import Pokemon, { DamageResult, MoveResult } from "../pokemon";
+import Pokemon, { DamageResult, HitResult, MoveResult } from "../pokemon";
 import { DamagePhase, ObtainStatusEffectPhase } from "../battle-phases";
 import { StatusEffect } from "./status-effect";
 import { BattlerTagType } from "./battler-tag";
@@ -143,8 +143,7 @@ class SpikesTag extends ArenaTrapTag {
     super.onAdd(arena);
 
     const source = arena.scene.getPokemonById(this.sourceId);
-    const target = source.getOpponent();
+    arena.scene.queueMessage(`${this.getMoveName()} were scattered\nall around ${source.getOpponentDescriptor()}'s feet!`);
-    arena.scene.queueMessage(`${this.getMoveName()} were scattered\nall around ${target.name}'s feet!`);
   }
 
   activateTrap(pokemon: Pokemon): boolean {
@@ -152,7 +151,7 @@ class SpikesTag extends ArenaTrapTag {
       const damageHpRatio = 1 / (10 - 2 * this.layers);
 
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' is hurt\nby the spikes!'));
-      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer(), MoveResult.OTHER));
+      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex(), HitResult.OTHER));
       pokemon.damage(Math.ceil(pokemon.getMaxHp() * damageHpRatio));
       return true;
     }
@@ -170,15 +169,14 @@ class ToxicSpikesTag extends ArenaTrapTag {
     super.onAdd(arena);
     
     const source = arena.scene.getPokemonById(this.sourceId);
-    const target = source.getOpponent();
+    arena.scene.queueMessage(`${this.getMoveName()} were scattered\nall around ${source.getOpponentDescriptor()}'s feet!`);
-    arena.scene.queueMessage(`${this.getMoveName()} were scattered\nall around ${target.name}'s feet!`);
   }
 
   activateTrap(pokemon: Pokemon): boolean {
     if (!pokemon.status && (!pokemon.isOfType(Type.FLYING) || pokemon.getTag(BattlerTagType.IGNORE_FLYING) || pokemon.scene.arena.getTag(ArenaTagType.GRAVITY))) {
       const toxic = this.layers > 1;
 
-      pokemon.scene.unshiftPhase(new ObtainStatusEffectPhase(pokemon.scene, pokemon.isPlayer(),
+      pokemon.scene.unshiftPhase(new ObtainStatusEffectPhase(pokemon.scene, pokemon.getBattlerIndex(),
         !toxic ? StatusEffect.POISON : StatusEffect.TOXIC, null, `the ${this.getMoveName()}`));
       return true;
     }
@@ -196,8 +194,7 @@ class StealthRockTag extends ArenaTrapTag {
     super.onAdd(arena);
 
     const source = arena.scene.getPokemonById(this.sourceId);
-    const target = source.getOpponent();
+    arena.scene.queueMessage(`Pointed stones float in the air\naround ${source.getOpponentDescriptor()}!`);
-    arena.scene.queueMessage(`Pointed stones float in the air\naround ${target.name}!`);
   }
 
   activateTrap(pokemon: Pokemon): boolean {
@@ -228,7 +225,7 @@ class StealthRockTag extends ArenaTrapTag {
 
     if (damageHpRatio) {
       pokemon.scene.queueMessage(`Pointed stones dug into\n${pokemon.name}!`);
-      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer(), MoveResult.OTHER));
+      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex(), HitResult.OTHER));
       pokemon.damage(Math.ceil(pokemon.getMaxHp() * damageHpRatio));
     }
 
@@ -242,8 +239,8 @@ export class TrickRoomTag extends ArenaTag {
   }
 
   apply(args: any[]): boolean {
-    const speedDelayed = args[0] as Utils.BooleanHolder;
+    const speedReversed = args[0] as Utils.BooleanHolder;
-    speedDelayed.value = !speedDelayed.value;
+    speedReversed.value = !speedReversed.value;
     return true;
   }
 

src/data/battle-anims.ts

@@ -1,8 +1,9 @@
 //import { battleAnimRawData } from "./battle-anim-raw-data";
 import BattleScene from "../battle-scene";
-import { ChargeAttr, Moves, allMoves, getMoveTarget } from "./move";
+import { ChargeAttr, Moves, allMoves } from "./move";
 import Pokemon from "../pokemon";
 import * as Utils from "../utils";
+import { BattlerIndex } from "../battle";
 //import fs from 'vite-plugin-fs/browser';
 
 export enum AnimFrameTarget {
@@ -831,8 +832,8 @@ export class CommonBattleAnim extends BattleAnim {
 export class MoveAnim extends BattleAnim {
     public move: Moves;
     
-    constructor(move: Moves, user: Pokemon) {
+    constructor(move: Moves, user: Pokemon, target: BattlerIndex) {
-        super(user, getMoveTarget(user, move));
+        super(user, user.scene.getField()[target]);
 
         this.move = move;
     }
@@ -852,7 +853,7 @@ export class MoveChargeAnim extends MoveAnim {
     private chargeAnim: ChargeAnim;
     
     constructor(chargeAnim: ChargeAnim, move: Moves, user: Pokemon) {
-        super(move, user);
+        super(move, user, 0);
 
         this.chargeAnim = chargeAnim;
     }

src/data/battler-tag.ts

@@ -103,7 +103,7 @@ export class RechargingTag extends BattlerTag {
   onAdd(pokemon: Pokemon): void {
     super.onAdd(pokemon);
 
-    pokemon.getMoveQueue().push({ move: Moves.NONE })
+    pokemon.getMoveQueue().push({ move: Moves.NONE, targets: [] })
   }
 
   lapse(pokemon: Pokemon, lapseType: BattlerTagLapseType): boolean {
@@ -177,7 +177,7 @@ export class ConfusedTag extends BattlerTag {
   onAdd(pokemon: Pokemon): void {
     super.onAdd(pokemon);
     
-    pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.isPlayer(), CommonAnim.CONFUSION));
+    pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.getBattlerIndex(), undefined, CommonAnim.CONFUSION));
     pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' became\nconfused!'));
   }
 
@@ -198,14 +198,14 @@ export class ConfusedTag extends BattlerTag {
 
     if (ret) {
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' is\nconfused!'));
-      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.isPlayer(), CommonAnim.CONFUSION));
+      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.getBattlerIndex(), undefined, CommonAnim.CONFUSION));
 
       if (Utils.randInt(2)) {
         const atk = pokemon.getBattleStat(Stat.ATK);
         const def = pokemon.getBattleStat(Stat.DEF);
         const damage = Math.ceil(((((2 * pokemon.level / 5 + 2) * 40 * atk / def) / 50) + 2) * ((Utils.randInt(15) + 85) / 100));
         pokemon.scene.queueMessage('It hurt itself in its\nconfusion!');
-        pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer()));
+        pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex()));
         pokemon.damage(damage);
         (pokemon.scene.getCurrentPhase() as MovePhase).cancel();
       }
@@ -245,7 +245,7 @@ export class InfatuatedTag extends BattlerTag {
 
     if (ret) {
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, ` is in love\nwith ${pokemon.scene.getPokemonById(this.sourceId).name}!`));
-      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.isPlayer(), CommonAnim.ATTRACT));
+      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.getBattlerIndex(), undefined, CommonAnim.ATTRACT));
 
       if (Utils.randInt(2)) {
         pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' is\nimmobilized by love!'));
@@ -282,12 +282,13 @@ export class SeedTag extends BattlerTag {
     const ret = lapseType !== BattlerTagLapseType.CUSTOM || super.lapse(pokemon, lapseType);
 
     if (ret) {
-      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, !pokemon.isPlayer(), CommonAnim.LEECH_SEED));
+      const source = pokemon.scene.getPokemonById(this.sourceId);
+      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, source.getBattlerIndex(), pokemon.getBattlerIndex(), CommonAnim.LEECH_SEED));
 
       const damage = Math.max(Math.floor(pokemon.getMaxHp() / 8), 1);
-      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer()));
+      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex()));
       pokemon.damage(damage);
-      pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, !pokemon.isPlayer(), damage, getPokemonMessage(pokemon, '\'s health is\nsapped by LEECH SEED!'), false, true));
+      pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, source.getBattlerIndex(), damage, getPokemonMessage(pokemon, '\'s health is\nsapped by LEECH SEED!'), false, true));
     }
     
     return ret;
@@ -320,10 +321,10 @@ export class NightmareTag extends BattlerTag {
 
     if (ret) {
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' is locked\nin a NIGHTMARE!'));
-      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.isPlayer(), CommonAnim.CURSE)); // TODO: Update animation type
+      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.getBattlerIndex(), undefined, CommonAnim.CURSE)); // TODO: Update animation type
 
       const damage = Math.ceil(pokemon.getMaxHp() / 4);
-      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer()));
+      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex()));
       pokemon.damage(damage);
     }
     
@@ -344,7 +345,7 @@ export class IngrainTag extends TrappedTag {
     const ret = lapseType !== BattlerTagLapseType.CUSTOM || super.lapse(pokemon, lapseType);
 
     if (ret)
-      pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.isPlayer(), Math.floor(pokemon.getMaxHp() / 16),
+      pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.getBattlerIndex(), Math.floor(pokemon.getMaxHp() / 16),
         getPokemonMessage(pokemon, ` absorbed\nnutrients with its roots!`), true));
     
     return ret;
@@ -374,7 +375,8 @@ export class AquaRingTag extends BattlerTag {
     const ret = lapseType !== BattlerTagLapseType.CUSTOM || super.lapse(pokemon, lapseType);
 
     if (ret)
-      pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.isPlayer(), Math.floor(pokemon.getMaxHp() / 16), `${this.getMoveName()} restored\n${pokemon.name}\'s HP!`, true));
+      pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.getBattlerIndex(),
+        Math.floor(pokemon.getMaxHp() / 16), `${this.getMoveName()} restored\n${pokemon.name}\'s HP!`, true));
     
     return ret;
   }
@@ -393,7 +395,7 @@ export class DrowsyTag extends BattlerTag {
 
   lapse(pokemon: Pokemon, lapseType: BattlerTagLapseType): boolean {
     if (!super.lapse(pokemon, lapseType)) {
-      pokemon.scene.unshiftPhase(new ObtainStatusEffectPhase(pokemon.scene, pokemon.isPlayer(), StatusEffect.SLEEP));
+      pokemon.scene.unshiftPhase(new ObtainStatusEffectPhase(pokemon.scene, pokemon.getBattlerIndex(), StatusEffect.SLEEP));
       return false;
     }
 
@@ -423,10 +425,10 @@ export abstract class DamagingTrapTag extends TrappedTag {
 
     if (ret) {
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, ` is hurt\nby ${this.getMoveName()}!`));
-      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.isPlayer(), this.commonAnim));
+      pokemon.scene.unshiftPhase(new CommonAnimPhase(pokemon.scene, pokemon.getBattlerIndex(), undefined, this.commonAnim));
 
       const damage = Math.ceil(pokemon.getMaxHp() / 16);
-      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.isPlayer()));
+      pokemon.scene.unshiftPhase(new DamagePhase(pokemon.scene, pokemon.getBattlerIndex()));
       pokemon.damage(damage);
     }
 
@@ -541,7 +543,7 @@ export class TruantTag extends BattlerTag {
 
     if (lastMove && lastMove.move !== Moves.NONE) {
       (pokemon.scene.getCurrentPhase() as MovePhase).cancel();
-      pokemon.scene.unshiftPhase(new ShowAbilityPhase(pokemon.scene, pokemon.isPlayer()));
+      pokemon.scene.unshiftPhase(new ShowAbilityPhase(pokemon.scene, pokemon.getBattlerIndex()));
       pokemon.scene.queueMessage(getPokemonMessage(pokemon, ' is\nloafing around!'));
     }
 

src/data/berry.ts

@@ -1,6 +1,6 @@
 import { PokemonHealPhase, StatChangePhase } from "../battle-phases";
 import { getPokemonMessage } from "../messages";
-import Pokemon, { MoveResult } from "../pokemon";
+import Pokemon, { HitResult, MoveResult } from "../pokemon";
 import { getBattleStatName } from "./battle-stat";
 import { BattleStat } from "./battle-stat";
 import { BattlerTagType } from "./battler-tag";
@@ -54,12 +54,7 @@ export function getBerryPredicate(berryType: BerryType): BerryPredicate {
     case BerryType.LUM:
       return (pokemon: Pokemon) => !!pokemon.status || !!pokemon.getTag(BattlerTagType.CONFUSED);
     case BerryType.ENIGMA:
-      return (pokemon: Pokemon) => {
+      return (pokemon: Pokemon) => !!pokemon.turnData.attacksReceived.filter(a => a.result === HitResult.SUPER_EFFECTIVE).length;
-        const opponent = pokemon.getOpponent();
-        const opponentLastMove = opponent ? opponent.getLastXMoves(1).find(() => true) : null; // TODO: Update so this works even if opponent has fainted
-        
-        return opponentLastMove && opponentLastMove.turn === pokemon.scene.currentBattle?.turn - 1 && opponentLastMove.result === MoveResult.SUPER_EFFECTIVE;
-      };
     case BerryType.LIECHI:
     case BerryType.GANLON:
     case BerryType.SALAC:
@@ -83,7 +78,8 @@ export function getBerryEffectFunc(berryType: BerryType): BerryEffectFunc {
     case BerryType.SITRUS:
      case BerryType.ENIGMA:
       return (pokemon: Pokemon) => {
-        pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.isPlayer(), Math.floor(pokemon.getMaxHp() / 4), getPokemonMessage(pokemon, `'s ${getBerryName(berryType)}\nrestored its HP!`), true));
+        pokemon.scene.unshiftPhase(new PokemonHealPhase(pokemon.scene, pokemon.getBattlerIndex(),
+          Math.floor(pokemon.getMaxHp() / 4), getPokemonMessage(pokemon, `'s ${getBerryName(berryType)}\nrestored its HP!`), true));
       };
     case BerryType.LUM:
       return (pokemon: Pokemon) => {
@@ -101,13 +97,13 @@ export function getBerryEffectFunc(berryType: BerryType): BerryEffectFunc {
     case BerryType.APICOT:
       return (pokemon: Pokemon) => {
         const battleStat = (berryType - BerryType.LIECHI) as BattleStat;
-        pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.isPlayer(), true, [ battleStat ], 1));
+        pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, [ battleStat ], 1));
       };
     case BerryType.LANSAT:
       return (pokemon: Pokemon) => {
         pokemon.addTag(BattlerTagType.CRIT_BOOST);
       };
     case BerryType.STARF:
-      return (pokemon: Pokemon) => pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.isPlayer(), true, [ BattleStat.RAND ], 2));
+      return (pokemon: Pokemon) => pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), true, [ BattleStat.RAND ], 2));
   }
 }

src/data/move.ts

@@ -1,9 +1,9 @@
 import { ChargeAnim, MoveChargeAnim, initMoveAnim, loadMoveAnimAssets } from "./battle-anims";
-import { DamagePhase, EnemyMovePhase, ObtainStatusEffectPhase, PlayerMovePhase, PokemonHealPhase, StatChangePhase } from "../battle-phases";
+import { DamagePhase, MovePhase, ObtainStatusEffectPhase, PokemonHealPhase, StatChangePhase } from "../battle-phases";
 import { BattleStat } from "./battle-stat";
 import { BattlerTagType } from "./battler-tag";
 import { getPokemonMessage } from "../messages";
-import Pokemon, { AttackMoveResult, EnemyPokemon, MoveResult, PlayerPokemon, PokemonMove, TurnMove } from "../pokemon";
+import Pokemon, { AttackMoveResult, EnemyPokemon, HitResult, MoveResult, PlayerPokemon, PokemonMove, TurnMove } from "../pokemon";
 import { StatusEffect, getStatusEffectDescriptor } from "./status-effect";
 import { Type } from "./type";
 import * as Utils from "../utils";
@@ -11,6 +11,8 @@ import { WeatherType } from "./weather";
 import { ArenaTagType, ArenaTrapTag } from "./arena-tag";
 import { BlockRecoilDamageAttr, applyAbAttrs } from "./ability";
 import { PokemonHeldItemModifier } from "../modifier/modifier";
+import { BattlerIndex } from "../battle";
+import { Stat } from "./pokemon-stat";
 
 export enum MoveCategory {
   PHYSICAL,
@@ -24,14 +26,13 @@ export enum MoveTarget {
   ALL_OTHERS,
   NEAR_OTHER,
   ALL_NEAR_OTHERS,
-  ENEMY,
   NEAR_ENEMY,
   ALL_NEAR_ENEMIES,
   RANDOM_NEAR_ENEMY,
   ALL_ENEMIES,
   ATTACKER,
-  ALLY,
   NEAR_ALLY,
+  ALLY,
   USER_OR_NEAR_ALLY,
   USER_AND_ALLIES,
   ALL,
@@ -47,6 +48,7 @@ export enum MoveFlags {
 }
 
 type MoveCondition = (user: Pokemon, target: Pokemon, move: Move) => boolean;
+type UserMoveCondition = (user: Pokemon, move: Move) => boolean;
 
 export default class Move {
   public id: Moves;
@@ -159,12 +161,67 @@ export default class Move {
 
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    let score = 0;
+
+    for (let attr of this.attrs)
+      score += attr.getUserBenefitScore(user, target, move);
+
+    return score;
+  }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    let score = 0;
+
+    for (let attr of this.attrs)
+      score += attr.getTargetBenefitScore(user, target, move);
+
+    return score;
+  }
 }
 
 export class AttackMove extends Move {
   constructor(id: Moves, name: string, type: Type, category: MoveCategory, power: integer, accuracy: integer, pp: integer, tm: integer, effect: string, chance: integer, priority: integer, generation: integer) {
     super(id, name, type, category, MoveTarget.NEAR_OTHER, power, accuracy, pp, tm, effect, chance, priority, generation);
   }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    let ret = super.getTargetBenefitScore(user, target, move);
+
+    let attackScore = 0;
+
+    const effectiveness = target.getAttackMoveEffectiveness(this.type);
+    attackScore = Math.pow(effectiveness - 1, 2) * effectiveness < 1 ? -2 : 2;
+    if (attackScore) {
+      if (this.category === MoveCategory.PHYSICAL) {
+        if (user.getBattleStat(Stat.ATK) > user.getBattleStat(Stat.SPATK)) {
+          const statRatio = user.getBattleStat(Stat.SPATK) / user.getBattleStat(Stat.ATK);
+          if (statRatio <= 0.75)
+            attackScore *= 2;
+          else if (statRatio <= 0.875)
+            attackScore *= 1.5;
+        }
+      } else {
+        if (user.getBattleStat(Stat.SPATK) > user.getBattleStat(Stat.ATK)) {
+          const statRatio = user.getBattleStat(Stat.ATK) / user.getBattleStat(Stat.SPATK);
+          if (statRatio <= 0.75)
+            attackScore *= 2;
+          else if (statRatio <= 0.875)
+            attackScore *= 1.5;
+        }
+      }
+
+      const power = new Utils.NumberHolder(this.power);
+      applyMoveAttrs(VariablePowerAttr, user, target, move, power);
+
+      attackScore += Math.floor(power.value / 5);
+    }
+
+    ret -= attackScore;
+
+    return ret;
+  }
 }
 
 export class StatusMove extends Move {
@@ -755,6 +812,14 @@ export abstract class MoveAttr {
   getCondition(): MoveCondition {
     return null;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return 0;
+  }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return 0;
+  }
 }
 
 export class MoveEffectAttr extends MoveAttr {
@@ -792,6 +857,10 @@ export class HighCritAttr extends MoveAttr {
 
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return 3;
+  }
 }
 
 export class CritOnlyAttr extends MoveAttr {
@@ -800,6 +869,10 @@ export class CritOnlyAttr extends MoveAttr {
 
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return 5;
+  }
 }
 
 export class FixedDamageAttr extends MoveAttr {
@@ -889,12 +962,16 @@ export class RecoilAttr extends MoveEffectAttr {
       return false;
 
     const recoilDamage = Math.max(Math.floor((!this.useHp ? user.turnData.damageDealt : user.getMaxHp()) / 4), 1);
-    user.scene.unshiftPhase(new DamagePhase(user.scene, user.isPlayer(), MoveResult.OTHER));
+    user.scene.unshiftPhase(new DamagePhase(user.scene, user.getBattlerIndex(), HitResult.OTHER));
     user.scene.queueMessage(getPokemonMessage(user, ' is hit\nwith recoil!'));
     user.damage(recoilDamage);
 
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return Math.floor((move.power / 5) / -4);
+  }
 }
 
 export class SacrificialAttr extends MoveEffectAttr {
@@ -906,11 +983,15 @@ export class SacrificialAttr extends MoveEffectAttr {
     if (!super.apply(user, target, move, args))
       return false;
 
-    user.scene.unshiftPhase(new DamagePhase(user.scene, user.isPlayer(), MoveResult.OTHER));
+    user.scene.unshiftPhase(new DamagePhase(user.scene, user.getBattlerIndex(), HitResult.OTHER));
     user.damage(user.getMaxHp());
 
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return Math.ceil((1 - user.getHpRatio()) * 10) - 10;
+  }
 }
 
 export enum MultiHitType {
@@ -936,7 +1017,12 @@ export class HealAttr extends MoveEffectAttr {
   }
 
   addHealPhase(user: Pokemon, healRatio: number) {
-    user.scene.unshiftPhase(new PokemonHealPhase(user.scene, user.isPlayer(), Math.max(Math.floor(user.getMaxHp() * healRatio), 1), getPokemonMessage(user, ' regained\nhealth!'), true, !this.showAnim));
+    user.scene.unshiftPhase(new PokemonHealPhase(user.scene, user.getBattlerIndex(),
+      Math.max(Math.floor(user.getMaxHp() * healRatio), 1), getPokemonMessage(user, ' regained\nhealth!'), true, !this.showAnim));
+  }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return (1 - (this.selfTarget ? user : target).getHpRatio()) * 20;
   }
 }
 
@@ -977,9 +1063,14 @@ export class HitHealAttr extends MoveHitEffectAttr {
   }
 
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    user.scene.unshiftPhase(new PokemonHealPhase(user.scene, user.isPlayer(), Math.max(Math.floor(user.turnData.damageDealt * this.healRatio), 1), getPokemonMessage(target, ` had its\nenergy drained!`), false, true));
+    user.scene.unshiftPhase(new PokemonHealPhase(user.scene, user.getBattlerIndex(),
+      Math.max(Math.floor(user.turnData.damageDealt * this.healRatio), 1), getPokemonMessage(target, ` had its\nenergy drained!`), false, true));
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return Math.floor(Math.max((1 - user.getHpRatio()) - 0.33, 0) * ((move.power / 5) / 4));
+  }
 }
 
 export class MultiHitAttr extends MoveAttr {
@@ -1016,6 +1107,10 @@ export class MultiHitAttr extends MoveAttr {
     (args[0] as Utils.IntegerHolder).value = hitTimes;
     return true;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): number {
+    return 5;
+  }
 }
 
 export class StatusEffectAttr extends MoveHitEffectAttr {
@@ -1034,12 +1129,16 @@ export class StatusEffectAttr extends MoveHitEffectAttr {
     if (statusCheck) {
       const pokemon = this.selfTarget ? user : target;
       if (!pokemon.status || (pokemon.status.effect === this.effect && move.chance < 0)) {
-        user.scene.unshiftPhase(new ObtainStatusEffectPhase(user.scene, pokemon.isPlayer(), this.effect, this.cureTurn));
+        user.scene.unshiftPhase(new ObtainStatusEffectPhase(user.scene, pokemon.getBattlerIndex(), this.effect, this.cureTurn));
         return true;
       }
     }
     return false;
   }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): number {
+    return !(this.selfTarget ? user : target).status ? Math.floor(move.chance * -0.1) : 0;
+  }
 }
 
 export class StealHeldItemAttr extends MoveHitEffectAttr {
@@ -1048,8 +1147,7 @@ export class StealHeldItemAttr extends MoveHitEffectAttr {
   }
 
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    const heldItems = user.scene.findModifiers(m => m instanceof PokemonHeldItemModifier
+    const heldItems = this.getTargetHeldItems(target);
-      && (m as PokemonHeldItemModifier).pokemonId === target.id, target.isPlayer()) as PokemonHeldItemModifier[];
     if (heldItems.length) {
       const stolenItem = heldItems[Utils.randInt(heldItems.length)];
       user.scene.tryTransferHeldItemModifier(stolenItem, user, false, false);
@@ -1060,6 +1158,21 @@ export class StealHeldItemAttr extends MoveHitEffectAttr {
 
     return false;
   }
+
+  getTargetHeldItems(target: Pokemon): PokemonHeldItemModifier[] {
+    return target.scene.findModifiers(m => m instanceof PokemonHeldItemModifier
+      && (m as PokemonHeldItemModifier).pokemonId === target.id, target.isPlayer()) as PokemonHeldItemModifier[];
+  }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): number {
+    const heldItems = this.getTargetHeldItems(target);
+    return heldItems.length ? 5 : 0;
+  }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): number {
+    const heldItems = this.getTargetHeldItems(target);
+    return heldItems.length ? -5 : 0;
+  }
 }
 
 export class HealStatusEffectAttr extends MoveEffectAttr {
@@ -1086,6 +1199,10 @@ export class HealStatusEffectAttr extends MoveEffectAttr {
 
     return false;
   }
+
+  getUserBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return user.status ? 10 : 0;
+  }
 }
 
 export class BypassSleepAttr extends MoveAttr {
@@ -1170,8 +1287,8 @@ export class ChargeAttr extends OverrideMoveEffectAttr {
             user.addTag(this.tagType, 1, move.id, user.id);
           if (this.chargeEffect)
             applyMoveAttrs(MoveEffectAttr, user, target, move);
-          user.pushMoveHistory({ move: move.id, result: MoveResult.OTHER });
+          user.pushMoveHistory({ move: move.id, targets: [ target.getBattlerIndex() ], result: MoveResult.OTHER });
-          user.getMoveQueue().push({ move: move.id, ignorePP: true });
+          user.getMoveQueue().push({ move: move.id, targets: [ target.getBattlerIndex() ], ignorePP: true });
           resolve(true);
         });
       } else
@@ -1214,7 +1331,7 @@ export class StatChangeAttr extends MoveEffectAttr {
 
     if (move.chance < 0 || move.chance === 100 || Utils.randInt(100) < move.chance) {
       const levels = this.getLevels(user);
-      user.scene.unshiftPhase(new StatChangePhase(user.scene, user.isPlayer() === this.selfTarget, this.selfTarget, this.stats, levels));
+      user.scene.unshiftPhase(new StatChangePhase(user.scene, (this.selfTarget ? user : target).getBattlerIndex(), this.selfTarget, this.stats, levels));
       return true;
     }
 
@@ -1224,6 +1341,12 @@ export class StatChangeAttr extends MoveEffectAttr {
   getLevels(_user: Pokemon): integer {
     return this.levels;
   }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    // TODO: Add awareness of level limits
+    const levels = this.getLevels(user);
+    return (levels * 4) + (levels > 0 ? -2 : 2);
+  }
 }
 
 export class GrowthStatChangeAttr extends StatChangeAttr {
@@ -1273,7 +1396,7 @@ export abstract class ConsecutiveUsePowerMultiplierAttr extends MovePowerMultipl
       let count = 0;
       let turnMove: TurnMove;
 
-      while (((turnMove = moveHistory.shift())?.move === move.id || (comboMoves.length && comboMoves.indexOf(turnMove?.move) > -1)) && (!resetOnFail || turnMove.result < MoveResult.NO_EFFECT)) {
+      while (((turnMove = moveHistory.shift())?.move === move.id || (comboMoves.length && comboMoves.indexOf(turnMove?.move) > -1)) && (!resetOnFail || turnMove.result === MoveResult.SUCCESS)) {
         if (count < (limit - 1))
           count++;
         else if (resetOnLimit)
@@ -1458,16 +1581,16 @@ export class BlizzardAccuracyAttr extends VariableAccuracyAttr {
 }
 
 export class MissEffectAttr extends MoveAttr {
-  private missEffectFunc: MoveCondition;
+  private missEffectFunc: UserMoveCondition;
 
-  constructor(missEffectFunc: MoveCondition) {
+  constructor(missEffectFunc: UserMoveCondition) {
     super();
 
     this.missEffectFunc = missEffectFunc;
   }
 
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    this.missEffectFunc(user, target, move);
+    this.missEffectFunc(user, move);
     return true;
   }
 }
@@ -1530,7 +1653,7 @@ export class FrenzyAttr extends MoveEffectAttr {
   }
 
   canApply(user: Pokemon, target: Pokemon, move: Move, args: any[]) {
-    return !!(this.selfTarget ? user.hp : target.hp);
+    return !(this.selfTarget ? user : target).isFainted();
   }
 
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
@@ -1540,7 +1663,7 @@ export class FrenzyAttr extends MoveEffectAttr {
     if (!user.getMoveQueue().length) {
       if (!user.getTag(BattlerTagType.FRENZY)) {
         const turnCount = Utils.randInt(2) + 1;
-        new Array(turnCount).fill(null).map(() => user.getMoveQueue().push({ move: move.id, ignorePP: true }));
+        new Array(turnCount).fill(null).map(() => user.getMoveQueue().push({ move: move.id, targets: [ target.getBattlerIndex() ], ignorePP: true }));
         user.addTag(BattlerTagType.FRENZY, 1, move.id, user.id);
       } else {
         applyMoveAttrs(AddBattlerTagAttr, user, target, move, args);
@@ -1553,7 +1676,7 @@ export class FrenzyAttr extends MoveEffectAttr {
   }
 }
 
-export const frenzyMissFunc: MoveCondition = (user: Pokemon, target: Pokemon, move: Move) => {
+export const frenzyMissFunc: UserMoveCondition = (user: Pokemon, move: Move) => {
   while (user.getMoveQueue().length && user.getMoveQueue()[0].move === move.id)
     user.getMoveQueue().shift();
   user.lapseTag(BattlerTagType.FRENZY);
@@ -1596,6 +1719,48 @@ export class AddBattlerTagAttr extends MoveEffectAttr {
       ? (user: Pokemon, target: Pokemon, move: Move) => !(this.selfTarget ? user : target).getTag(this.tagType)
       : null;
   }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    switch (this.tagType) {
+      case BattlerTagType.FLINCHED:
+        return -5;
+      case BattlerTagType.CONFUSED:
+        return -5;
+      case BattlerTagType.INFATUATED:
+        return -5;
+      case BattlerTagType.SEEDED:
+        return -3;
+      case BattlerTagType.NIGHTMARE:
+        return -5;
+      case BattlerTagType.FRENZY:
+        return -2;
+      case BattlerTagType.INGRAIN:
+        return 3;
+      case BattlerTagType.AQUA_RING:
+        return 3;
+      case BattlerTagType.DROWSY:
+        return -5;
+      case BattlerTagType.TRAPPED:
+      case BattlerTagType.BIND:
+      case BattlerTagType.WRAP:
+      case BattlerTagType.FIRE_SPIN:
+      case BattlerTagType.WHIRLPOOL:
+      case BattlerTagType.CLAMP:
+      case BattlerTagType.SAND_TOMB:
+      case BattlerTagType.MAGMA_STORM:
+        return -3;
+      case BattlerTagType.PROTECTED:
+        return 10;
+      case BattlerTagType.FLYING:
+        return 5;
+      case BattlerTagType.CRIT_BOOST:
+        return 5;
+      case BattlerTagType.NO_CRIT:
+        return -5;
+      case BattlerTagType.IGNORE_ACCURACY:
+        return 3;
+    }
+  }
 }
 
 export class LapseBattlerTagAttr extends MoveEffectAttr {
@@ -1646,7 +1811,7 @@ export class ProtectAttr extends AddBattlerTagAttr {
       let timesUsed = 0;
       const moveHistory = user.getLastXMoves(-1);
       let turnMove: TurnMove;
-      while (moveHistory.length && (turnMove = moveHistory.shift()).move === move.id && turnMove.result === MoveResult.STATUS)
+      while (moveHistory.length && (turnMove = moveHistory.shift()).move === move.id && turnMove.result === MoveResult.SUCCESS)
         timesUsed++;
       if (timesUsed)
         return !Utils.randInt(Math.pow(2, timesUsed));
@@ -1680,6 +1845,10 @@ export class HitsTagAttr extends MoveAttr {
     this.tagType = tagType;
     this.doubleDamage = !!doubleDamage;
   }
+
+  getTargetBenefitScore(user: Pokemon, target: Pokemon, move: Move): integer {
+    return target.getTag(this.tagType) ? this.doubleDamage ? 10 : 5 : 0;
+  }
 }
 
 export class AddArenaTagAttr extends MoveEffectAttr {
@@ -1768,10 +1937,16 @@ export class RandomMovesetMoveAttr extends OverrideMoveEffectAttr {
     if (moves.length) {
       const move = moves[Utils.randInt(moves.length)];
       const moveIndex = moveset.findIndex(m => m.moveId === move.moveId);
-      user.getMoveQueue().push({ move: move.moveId, ignorePP: this.enemyMoveset });
+      const moveTargets = getMoveTargets(user, move.moveId);
-      user.scene.unshiftPhase(user.isPlayer()
+      if (!moveTargets.targets.length)
-        ? new PlayerMovePhase(user.scene, user as PlayerPokemon, moveset[moveIndex], true)
+        return false;
-        : new EnemyMovePhase(user.scene, user as EnemyPokemon, moveset[moveIndex], true));
+      const targets = moveTargets.multiple || moveTargets.targets.length === 1
+        ? moveTargets.targets
+        : moveTargets.targets.indexOf(target.getBattlerIndex()) > -1
+          ? [ target.getBattlerIndex() ]
+          : [ moveTargets.targets[Utils.randInt(moveTargets.targets.length)] ];
+      user.getMoveQueue().push({ move: move.moveId, targets: targets, ignorePP: this.enemyMoveset });
+      user.scene.unshiftPhase(new MovePhase(user.scene, user, targets, moveset[moveIndex], true));
       return true;
     }
 
@@ -1784,10 +1959,19 @@ export class RandomMoveAttr extends OverrideMoveEffectAttr {
     return new Promise(resolve => {
       const moveIds = Utils.getEnumValues(Moves).filter(m => !allMoves[m].hasFlag(MoveFlags.IGNORE_VIRTUAL));
       const moveId = moveIds[Utils.randInt(moveIds.length)];
-      user.getMoveQueue().push({ move: moveId, ignorePP: true });
+      
-      user.scene.unshiftPhase(user.isPlayer()
+      const moveTargets = getMoveTargets(user, moveId);
-        ? new PlayerMovePhase(user.scene, user as PlayerPokemon, new PokemonMove(moveId, 0, 0, true), true)
+      if (!moveTargets.targets.length) {
-        : new EnemyMovePhase(user.scene, user as EnemyPokemon, new PokemonMove(moveId, 0, 0, true), true));
+        resolve(false);
+        return;
+      }
+      const targets = moveTargets.multiple || moveTargets.targets.length === 1
+        ? moveTargets.targets
+        : moveTargets.targets.indexOf(target.getBattlerIndex()) > -1
+          ? [ target.getBattlerIndex() ]
+          : [ moveTargets.targets[Utils.randInt(moveTargets.targets.length)] ];
+      user.getMoveQueue().push({ move: moveId, targets: targets, ignorePP: true });
+      user.scene.unshiftPhase(new MovePhase(user.scene, user, targets, new PokemonMove(moveId, 0, 0, true), true));
       initMoveAnim(moveId).then(() => {
         loadMoveAnimAssets(user.scene, [ moveId ], true)
           .then(() => resolve(true));
@@ -1822,10 +2006,18 @@ export class CopyMoveAttr extends OverrideMoveEffectAttr {
 
     const copiedMove = targetMoves[0];
 
-    user.getMoveQueue().push({ move: copiedMove.move, ignorePP: true });
+    const moveTargets = getMoveTargets(user, copiedMove.move);
-    user.scene.unshiftPhase(user.isPlayer()
+    if (!moveTargets.targets.length)
-      ? new PlayerMovePhase(user.scene, user as PlayerPokemon, new PokemonMove(copiedMove.move, 0, 0, true), true)
+      return false;
-      : new EnemyMovePhase(user.scene, user as EnemyPokemon, new PokemonMove(copiedMove.move, 0, 0, true), true));
+
+    const targets = moveTargets.multiple || moveTargets.targets.length === 1
+      ? moveTargets.targets
+      : moveTargets.targets.indexOf(target.getBattlerIndex()) > -1
+        ? [ target.getBattlerIndex() ]
+        : [ moveTargets.targets[Utils.randInt(moveTargets.targets.length)] ];
+    user.getMoveQueue().push({ move: copiedMove.move, targets: targets, ignorePP: true });
+
+    user.scene.unshiftPhase(new MovePhase(user.scene, user as PlayerPokemon, targets, new PokemonMove(copiedMove.move, 0, 0, true), true));
 
     return true;
   }
@@ -1932,20 +2124,60 @@ export function applyFilteredMoveAttrs(attrFilter: MoveAttrFilter, user: Pokemon
   return applyMoveAttrsInternal(attrFilter, user, target, move, args);
 }
 
-export function getMoveTarget(user: Pokemon, move: Moves): Pokemon {
+export type MoveTargetSet = {
-  const moveTarget = allMoves[move].moveTarget;
+  targets: BattlerIndex[];
+  multiple: boolean;
+}
 
-  const other = user.getOpponent();
+export function getMoveTargets(user: Pokemon, move: Moves): MoveTargetSet {
+  const moveTarget = move ? allMoves[move].moveTarget : move === undefined ? MoveTarget.NEAR_ENEMY : [];
+  const opponents = user.getOpponents();
+  
+  let set: BattlerIndex[] = [];
+  let multiple = false;
 
   switch (moveTarget) {
     case MoveTarget.USER:
+      set = [ user.getBattlerIndex() ];
+      break;
+    case MoveTarget.NEAR_OTHER:
+    case MoveTarget.OTHER:
+    case MoveTarget.ALL_NEAR_OTHERS:
+    case MoveTarget.ALL_OTHERS:
+      set = (opponents.concat([ user.getAlly() ])).map(p => p?.getBattlerIndex());
+      multiple = moveTarget === MoveTarget.ALL_NEAR_OTHERS || moveTarget === MoveTarget.ALL_OTHERS
+      break;
+    case MoveTarget.NEAR_ENEMY:
+    case MoveTarget.ALL_NEAR_ENEMIES:
+    case MoveTarget.ALL_ENEMIES:
+    case MoveTarget.ENEMY_SIDE:
+      set = opponents.map(p => p.getBattlerIndex());
+      multiple = moveTarget !== MoveTarget.NEAR_ENEMY;
+      break;
+    case MoveTarget.RANDOM_NEAR_ENEMY:
+      set = [ opponents[Utils.randInt(opponents.length)].getBattlerIndex() ];
+      break;
+    case MoveTarget.ATTACKER:
+      set = [ user.scene.getPokemonById(user.turnData.attacksReceived[0].sourceId).getBattlerIndex() ];
+      break;
+    case MoveTarget.NEAR_ALLY:
+    case MoveTarget.ALLY:
+      set = [ user.getAlly()?.getBattlerIndex() ];
+      break;
     case MoveTarget.USER_OR_NEAR_ALLY:
     case MoveTarget.USER_AND_ALLIES:
     case MoveTarget.USER_SIDE:
-      return user;
+      set = [ user, user.getAlly() ].map(p => p?.getBattlerIndex());
-    default:
+      multiple = moveTarget !== MoveTarget.USER_OR_NEAR_ALLY;
-      return other;
+      break;
+    case MoveTarget.ALL:
+    case MoveTarget.BOTH_SIDES:
+      set = [ user, user.getAlly() ].concat(user.getOpponents()).map(p => p?.getBattlerIndex());
+      multiple = true;
+      break;
   }
+
+  return { targets: set.filter(t => t !== undefined), multiple };
 }
 
 export const allMoves = [
@@ -2002,7 +2234,7 @@ export function initMoves() {
       .attr(MultiHitAttr, MultiHitType._2),
     new AttackMove(Moves.MEGA_KICK, "Mega Kick", Type.NORMAL, MoveCategory.PHYSICAL, 120, 75, 5, -1, "", -1, 0, 1),
     new AttackMove(Moves.JUMP_KICK, "Jump Kick", Type.FIGHTING, MoveCategory.PHYSICAL, 100, 95, 10, -1, "If it misses, the user loses half their HP.", -1, 0, 1)
-      .attr(MissEffectAttr, (user: Pokemon, target: Pokemon, move: Move) => { user.damage(Math.floor(user.getMaxHp() / 2)); return true; })
+      .attr(MissEffectAttr, (user: Pokemon, move: Move) => { user.damage(Math.floor(user.getMaxHp() / 2)); return true; })
       .condition(failOnGravityCondition),
     new AttackMove(Moves.ROLLING_KICK, "Rolling Kick", Type.FIGHTING, MoveCategory.PHYSICAL, 60, 85, 15, -1, "May cause flinching.", 30, 0, 1)
       .attr(FlinchAttr),
@@ -2070,13 +2302,15 @@ export function initMoves() {
       .target(MoveTarget.USER_SIDE),
     new AttackMove(Moves.WATER_GUN, "Water Gun", Type.WATER, MoveCategory.SPECIAL, 40, 100, 25, -1, "", -1, 0, 1),
     new AttackMove(Moves.HYDRO_PUMP, "Hydro Pump", Type.WATER, MoveCategory.SPECIAL, 110, 80, 5, 142, "", -1, 0, 1),
-    new AttackMove(Moves.SURF, "Surf", Type.WATER, MoveCategory.SPECIAL, 90, 100, 15, 123, "Hits all adjacent Pokémon.", -1, 0, 1), // TODO
+    new AttackMove(Moves.SURF, "Surf", Type.WATER, MoveCategory.SPECIAL, 90, 100, 15, 123, "Hits all adjacent Pokémon.", -1, 0, 1)
+      .target(MoveTarget.ALL_NEAR_OTHERS),
     new AttackMove(Moves.ICE_BEAM, "Ice Beam", Type.ICE, MoveCategory.SPECIAL, 90, 100, 10, 135, "May freeze opponent.", 10, 0, 1)
       .attr(StatusEffectAttr, StatusEffect.FREEZE)
       .target(MoveTarget.ALL_NEAR_OTHERS),
     new AttackMove(Moves.BLIZZARD, "Blizzard", Type.ICE, MoveCategory.SPECIAL, 110, 70, 5, 143, "May freeze opponent.", 10, 0, 1)
       .attr(BlizzardAccuracyAttr)
-      .attr(StatusEffectAttr, StatusEffect.FREEZE), // TODO: 30% chance to hit protect/detect in hail
+      .attr(StatusEffectAttr, StatusEffect.FREEZE) // TODO: 30% chance to hit protect/detect in hail
+      .target(MoveTarget.ALL_NEAR_ENEMIES),
     new AttackMove(Moves.PSYBEAM, "Psybeam", Type.PSYCHIC, MoveCategory.SPECIAL, 65, 100, 20, 16, "May confuse opponent.", 10, 0, 1)
       .attr(ConfuseAttr)
       .target(MoveTarget.ALL_NEAR_ENEMIES),
@@ -2253,7 +2487,7 @@ export function initMoves() {
     new SelfStatusMove(Moves.SOFT_BOILED, "Soft-Boiled", Type.NORMAL, -1, 5, -1, "User recovers half its max HP.", -1, 0, 1)
       .attr(HealAttr, 0.5),
     new AttackMove(Moves.HIGH_JUMP_KICK, "High Jump Kick", Type.FIGHTING, MoveCategory.PHYSICAL, 130, 90, 10, -1, "If it misses, the user loses half their HP.", -1, 0, 1)
-      .attr(MissEffectAttr, (user: Pokemon, target: Pokemon, move: Move) => { user.damage(Math.floor(user.getMaxHp() / 2)); return true; })
+      .attr(MissEffectAttr, (user: Pokemon, move: Move) => { user.damage(Math.floor(user.getMaxHp() / 2)); return true; })
       .condition(failOnGravityCondition),
     new StatusMove(Moves.GLARE, "Glare", Type.NORMAL, 100, 30, -1, "Paralyzes opponent.", -1, 0, 1)
       .attr(StatusEffectAttr, StatusEffect.PARALYSIS),
@@ -2337,7 +2571,7 @@ export function initMoves() {
       .ignoresVirtual(),
     new AttackMove(Moves.TRIPLE_KICK, "Triple Kick", Type.FIGHTING, MoveCategory.PHYSICAL, 10, 90, 10, -1, "Hits thrice in one turn at increasing power.", -1, 0, 2)
       .attr(MultiHitAttr, MultiHitType._3_INCR)
-      .attr(MissEffectAttr, (user: Pokemon, target: Pokemon, move: Move) => {
+      .attr(MissEffectAttr, (user: Pokemon, move: Move) => {
         user.turnData.hitsLeft = 0;
         return true;
       }),

src/data/weather.ts

@@ -100,17 +100,10 @@ export class Weather {
   }
 
   isEffectSuppressed(scene: BattleScene): boolean {
-    const playerPokemon = scene.getPlayerPokemon();
+    const field = scene.getField().filter(p => p);
-    const enemyPokemon = scene.getEnemyPokemon();
 
-    if (playerPokemon) {
+    for (let pokemon of field) {
-      const suppressWeatherEffectAbAttr = playerPokemon.getAbility().getAttrs(SuppressWeatherEffectAbAttr).find(() => true) as SuppressWeatherEffectAbAttr;
+      const suppressWeatherEffectAbAttr = pokemon.getAbility().getAttrs(SuppressWeatherEffectAbAttr).find(() => true) as SuppressWeatherEffectAbAttr;
-      if (suppressWeatherEffectAbAttr && (!this.isImmutable() || suppressWeatherEffectAbAttr.affectsImmutable))
-        return true;
-    }
-
-    if (enemyPokemon) {
-      const suppressWeatherEffectAbAttr = enemyPokemon.getAbility().getAttrs(SuppressWeatherEffectAbAttr).find(() => true) as SuppressWeatherEffectAbAttr;
       if (suppressWeatherEffectAbAttr && (!this.isImmutable() || suppressWeatherEffectAbAttr.affectsImmutable))
         return true;
     }

src/evolution-phase.ts

@@ -44,7 +44,7 @@ export class EvolutionPhase extends BattlePhase {
 
       this.evolutionContainer = (this.scene.ui.getHandler() as EvolutionSceneHandler).evolutionContainer;
 
-      this.evolutionBaseBg = this.scene.add.image(0, 0, 'plains_bg');
+      this.evolutionBaseBg = this.scene.add.image(0, 0, 'default_bg');
       this.evolutionBaseBg.setOrigin(0, 0);
       this.evolutionContainer.add(this.evolutionBaseBg);
 
@@ -98,6 +98,7 @@ export class EvolutionPhase extends BattlePhase {
         const levelMoves = pokemon.getLevelMoves(this.lastLevel + 1);
         for (let lm of levelMoves)
           this.scene.unshiftPhase(new LearnMovePhase(this.scene, this.partyMemberIndex, lm));  
+        this.scene.unshiftPhase(new EndEvolutionPhase(this.scene));
 
         this.scene.time.delayedCall(1000, () => {
           const evolutionBgm = this.scene.sound.add('evolution');
@@ -444,3 +445,11 @@ export class EvolutionPhase extends BattlePhase {
     updateParticle();
   }
 }
+
+export class EndEvolutionPhase extends BattlePhase {
+  start() {
+    super.start();
+
+    this.scene.ui.setModeForceTransition(Mode.MESSAGE).then(() => this.end());
+  }
+}

src/modifier/modifier-type.ts

@@ -11,7 +11,6 @@ import * as Utils from '../utils';
 import { TempBattleStat, getTempBattleStatBoosterItemName, getTempBattleStatName } from '../data/temp-battle-stat';
 import { BerryType, getBerryEffectDescription, getBerryName } from '../data/berry';
 import { Unlockables } from '../system/unlockables';
-import { maxExpLevel } from '../battle-scene';
 
 type Modifier = Modifiers.Modifier;
 
@@ -128,7 +127,7 @@ export class PokemonReviveModifierType extends PokemonHpRestoreModifierType {
   constructor(name: string, restorePercent: integer, iconImage?: string) {
     super(name, restorePercent, true, (_type, args) => new Modifiers.PokemonHpRestoreModifier(this, (args[0] as PlayerPokemon).id, this.restorePoints, true, true),
       ((pokemon: PlayerPokemon) => {
-        if (pokemon.hp)
+        if (!pokemon.isFainted())
           return PartyUiHandler.NoEffectMessage;
         return null;
       }), iconImage, 'revive');
@@ -669,15 +668,15 @@ const modifierPool = {
       return statusEffectPartyMemberCount * 6;
     }),
     new WeightedModifierType(modifierTypes.REVIVE, (party: Pokemon[]) => {
-      const faintedPartyMemberCount = Math.min(party.filter(p => !p.hp).length, 3);
+      const faintedPartyMemberCount = Math.min(party.filter(p => p.isFainted()).length, 3);
       return faintedPartyMemberCount * 9;
     }),
     new WeightedModifierType(modifierTypes.MAX_REVIVE, (party: Pokemon[]) => {
-      const faintedPartyMemberCount = Math.min(party.filter(p => !p.hp).length, 3);
+      const faintedPartyMemberCount = Math.min(party.filter(p => p.isFainted()).length, 3);
       return faintedPartyMemberCount * 3;
     }),
     new WeightedModifierType(modifierTypes.SACRED_ASH, (party: Pokemon[]) => {
-      return party.filter(p => !p.hp).length >= Math.ceil(party.length / 2) ? 1 : 0;
+      return party.filter(p => p.isFainted()).length >= Math.ceil(party.length / 2) ? 1 : 0;
     }),
     new WeightedModifierType(modifierTypes.HYPER_POTION, (party: Pokemon[]) => {
       const thresholdPartyMemberCount = Math.min(party.filter(p => p.getInverseHp() >= 100 || p.getHpRatio() <= 0.625).length, 3);

src/modifier/modifier.ts

@@ -480,7 +480,8 @@ export class TurnHealModifier extends PokemonHeldItemModifier {
 
     if (pokemon.getHpRatio() < 1) {
       const scene = pokemon.scene;
-      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.isPlayer(), Math.max(Math.floor(pokemon.getMaxHp() / 16) * this.stackCount, 1), getPokemonMessage(pokemon, `'s ${this.type.name}\nrestored its HP a little!`), true));
+      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.getBattlerIndex(),
+        Math.max(Math.floor(pokemon.getMaxHp() / 16) * this.stackCount, 1), getPokemonMessage(pokemon, `'s ${this.type.name}\nrestored its HP a little!`), true));
     }
 
     return true;
@@ -509,7 +510,8 @@ export class HitHealModifier extends PokemonHeldItemModifier {
 
     if (pokemon.turnData.damageDealt && pokemon.getHpRatio() < 1) {
       const scene = pokemon.scene;
-      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.isPlayer(), Math.max(Math.floor(pokemon.turnData.damageDealt / 8) * this.stackCount, 1), getPokemonMessage(pokemon, `'s ${this.type.name}\nrestored its HP a little!`), true));
+      scene.unshiftPhase(new PokemonHealPhase(scene, pokemon.getBattlerIndex(),
+        Math.max(Math.floor(pokemon.turnData.damageDealt / 8) * this.stackCount, 1), getPokemonMessage(pokemon, `'s ${this.type.name}\nrestored its HP a little!`), true));
     }
 
     return true;
@@ -1001,7 +1003,7 @@ export abstract class HeldItemTransferModifier extends PokemonHeldItemModifier {
 
   apply(args: any[]): boolean {
     const pokemon = args[0] as Pokemon;
-    const targetPokemon = pokemon.getOpponent();
+    const targetPokemon = pokemon.getOpponent(args.length > 1 ? args[1] as integer : !pokemon.scene.currentBattle.double ? 0 : Utils.randInt(2));
     if (!targetPokemon)
       return false;
 

src/pokemon.ts

@@ -1,7 +1,7 @@
 import Phaser from 'phaser';
 import BattleScene from './battle-scene';
 import BattleInfo, { PlayerBattleInfo, EnemyBattleInfo } from './ui/battle-info';
-import Move, { StatChangeAttr, HighCritAttr, HitsTagAttr, applyMoveAttrs, FixedDamageAttr, VariablePowerAttr, Moves, allMoves, MoveCategory, TypelessAttr, CritOnlyAttr } from "./data/move";
+import Move, { StatChangeAttr, HighCritAttr, HitsTagAttr, applyMoveAttrs, FixedDamageAttr, VariablePowerAttr, Moves, allMoves, MoveCategory, TypelessAttr, CritOnlyAttr, getMoveTargets, AttackMove, AddBattlerTagAttr } from "./data/move";
 import { pokemonLevelMoves } from './data/pokemon-level-moves';
 import { default as PokemonSpecies, PokemonSpeciesForm, getPokemonSpecies } from './data/pokemon-species';
 import * as Utils from './utils';
@@ -21,10 +21,17 @@ import { BattlerTag, BattlerTagLapseType, BattlerTagType, TypeBoostTag, getBattl
 import { Species } from './data/species';
 import { WeatherType } from './data/weather';
 import { TempBattleStat } from './data/temp-battle-stat';
-import { ArenaTagType, GravityTag, WeakenMoveTypeTag } from './data/arena-tag';
+import { ArenaTagType, WeakenMoveTypeTag } from './data/arena-tag';
 import { Biome } from './data/biome';
-import { Abilities, Ability, BattleStatMultiplierAbAttr, BlockCritAbAttr, PreApplyBattlerTagAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, VariableMovePowerAbAttr, abilities, applyBattleStatMultiplierAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs } from './data/ability';
+import { Abilities, Ability, BattleStatMultiplierAbAttr, BattlerTagImmunityAbAttr, BlockCritAbAttr, PreApplyBattlerTagAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, VariableMovePowerAbAttr, abilities, applyBattleStatMultiplierAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs } from './data/ability';
 import PokemonData from './system/pokemon-data';
+import { BattlerIndex } from './battle';
+
+export enum FieldPosition {
+  CENTER,
+  LEFT,
+  RIGHT
+}
 
 export default abstract class Pokemon extends Phaser.GameObjects.Container {
   public id: integer;
@@ -50,6 +57,8 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
   public battleSummonData: PokemonBattleSummonData;
   public turnData: PokemonTurnData;
 
+  public fieldPosition: FieldPosition;
+
   public maskEnabled: boolean;
   public maskSprite: Phaser.GameObjects.Sprite;
 
@@ -139,7 +148,9 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
 
     this.calculateStats();
 
-    scene.fieldUI.addAt(this.battleInfo, 0);
+    this.fieldPosition = FieldPosition.CENTER;
+
+    scene.fieldUI.add(this.battleInfo);
     
     this.battleInfo.initInfo(this);
 
@@ -177,8 +188,20 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     }
   }
 
+  isFainted(checkStatus?: boolean): boolean {
+    return !this.hp && (!checkStatus || this.status?.effect === StatusEffect.FAINT);
+  }
+
+  isActive(): boolean {
+    return !this.isFainted() && !!this.scene;
+  }
+
   abstract isPlayer(): boolean;
 
+  abstract getFieldIndex(): integer;
+
+  abstract getBattlerIndex(): BattlerIndex;
+
   loadAssets(): Promise<void> {
     return new Promise(resolve => {
       const moveIds = this.getMoveset().map(m => m.getMove().id);
@@ -266,6 +289,52 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     this.getTintSprite().play(this.getBattleSpriteKey());
   }
 
+  getFieldPositionOffset(): [ number, number ] {
+    switch (this.fieldPosition) {
+      case FieldPosition.CENTER:
+        return [ 0, 0 ];
+      case FieldPosition.LEFT:
+        return [ -32, -8 ];
+      case FieldPosition.RIGHT:
+        return [ 32, 0 ];
+    }
+  }
+
+  setFieldPosition(fieldPosition: FieldPosition, duration?: integer): Promise<void> {
+    return new Promise(resolve => {
+      if (fieldPosition === this.fieldPosition) {
+        resolve();
+        return;
+      }
+
+      const initialOffset = this.getFieldPositionOffset();
+
+      this.fieldPosition = fieldPosition;
+
+      this.battleInfo.setMini(fieldPosition !== FieldPosition.CENTER);
+      this.battleInfo.setOffset(fieldPosition === FieldPosition.RIGHT);
+
+      const newOffset = this.getFieldPositionOffset();
+
+      let relX = newOffset[0] - initialOffset[0];
+      let relY = newOffset[1] - initialOffset[1];
+
+      if (duration) {
+        this.scene.tweens.add({
+          targets: this,
+          x: (_target, _key, value: number) => value + relX,
+          y: (_target, _key, value: number) => value + relY,
+          duration: duration,
+          ease: 'Sine.easeOut',
+          onComplete: () => resolve()
+        });
+      } else {
+        this.x += relX;
+        this.y += relY;
+      }
+    });
+  }
+
   getBattleStat(stat: Stat): integer {
     if (stat === Stat.HP)
       return this.stats[Stat.HP];
@@ -360,7 +429,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
   }
 
   canApplyAbility(): boolean {
-    return !this.getAbility().conditions.find(condition => !condition(this));
+    return this.hp && !this.getAbility().conditions.find(condition => !condition(this));
   }
 
   getAttackMoveEffectiveness(moveType: Type): TypeDamageMultiplier {
@@ -405,7 +474,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
   setMove(moveIndex: integer, moveId: Moves): void {
     const move = moveId ? new PokemonMove(moveId) : null;
     this.moveset[moveIndex] = move;
-    if (this.summonData.moveset)
+    if (this.summonData?.moveset)
       this.summonData.moveset[moveIndex] = move;
   }
 
@@ -496,15 +565,30 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     this.levelExp = this.exp - getLevelTotalExp(this.level, this.getSpeciesForm().growthRate);
   }
 
-  getOpponent(): Pokemon {
+  getOpponent(targetIndex: integer): Pokemon {
-    const ret = this.isPlayer() ? this.scene.getEnemyPokemon() : this.scene.getPlayerPokemon();
+    const ret = this.getOpponents()[targetIndex];
     if (ret.summonData)
       return ret;
     return null;
   }
 
-  apply(source: Pokemon, battlerMove: PokemonMove): MoveResult {
+  getOpponents(): Pokemon[] {
-    let result: MoveResult;
+    return ((this.isPlayer() ? this.scene.getEnemyField() : this.scene.getPlayerField()) as Pokemon[]).filter(p => p.isActive());
+  }
+
+  getOpponentDescriptor(): string {
+    const opponents = this.getOpponents();
+    if (opponents.length === 1)
+      return opponents[0].name;
+    return this.isPlayer() ? 'the opposing team' : 'your team';
+  }
+
+  getAlly(): Pokemon {
+    return (this.isPlayer() ? this.scene.getPlayerField() : this.scene.getEnemyField())[this.getFieldIndex() ? 0 : 1];
+  }
+
+  apply(source: Pokemon, battlerMove: PokemonMove): HitResult {
+    let result: HitResult;
     const move = battlerMove.getMove();
     const moveCategory = move.category;
     let damage = 0;
@@ -526,7 +610,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
           applyPreDefendAbAttrs(TypeImmunityAbAttr, this, source, battlerMove, cancelled, typeMultiplier);
 
         if (cancelled.value)
-          result = MoveResult.NO_EFFECT;
+          result = HitResult.NO_EFFECT;
         else {
           if (source.findTag(t => t instanceof TypeBoostTag && (t as TypeBoostTag).boostedType === move.type))
             power.value *= 1.5;
@@ -567,46 +651,50 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
           if (damage && fixedDamage.value) {
             damage = fixedDamage.value;
             isCritical = false;
-            result = MoveResult.EFFECTIVE;
+            result = HitResult.EFFECTIVE;
           }
 
           console.log('damage', damage, move.name, move.power, sourceAtk, targetDef);
           
           if (!result) {
             if (typeMultiplier.value >= 2)
-              result = MoveResult.SUPER_EFFECTIVE;
+              result = HitResult.SUPER_EFFECTIVE;
             else if (typeMultiplier.value >= 1)
-              result = MoveResult.EFFECTIVE;
+              result = HitResult.EFFECTIVE;
             else if (typeMultiplier.value > 0)
-              result = MoveResult.NOT_VERY_EFFECTIVE;
+              result = HitResult.NOT_VERY_EFFECTIVE;
             else
-              result = MoveResult.NO_EFFECT;
+              result = HitResult.NO_EFFECT;
           }
 
           if (damage) {
-            this.scene.unshiftPhase(new DamagePhase(this.scene, this.isPlayer(), result as DamageResult));
+            this.scene.unshiftPhase(new DamagePhase(this.scene, this.getBattlerIndex(), result as DamageResult));
             if (isCritical)
               this.scene.queueMessage('A critical hit!');
+            this.scene.setPhaseQueueSplice();
             this.damage(damage);
             source.turnData.damageDealt += damage;
             this.turnData.attacksReceived.unshift({ move: move.id, result: result as DamageResult, damage: damage, sourceId: source.id });
           }
 
           switch (result) {
-            case MoveResult.SUPER_EFFECTIVE:
+            case HitResult.SUPER_EFFECTIVE:
               this.scene.queueMessage('It\'s super effective!');
               break;
-            case MoveResult.NOT_VERY_EFFECTIVE:
+            case HitResult.NOT_VERY_EFFECTIVE:
               this.scene.queueMessage('It\'s not very effective!');
               break;
-            case MoveResult.NO_EFFECT:
+            case HitResult.NO_EFFECT:
               this.scene.queueMessage(`It doesn\'t affect ${this.name}!`);
               break;
           }
+
+          if (damage)
+            this.scene.clearPhaseQueueSplice();
         }
         break;
       case MoveCategory.STATUS:
-        result = MoveResult.STATUS;
+        result = HitResult.STATUS;
         break;
     }
 
@@ -614,7 +702,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
   }
 
   damage(damage: integer, preventEndure?: boolean): void {
-    if (!this.hp)
+    if (this.isFainted())
       return;
 
     if (this.hp > 1 && this.hp - damage <= 0 && !preventEndure) {
@@ -625,10 +713,9 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
     }
 
     this.hp = Math.max(this.hp - damage, 0);
-    if (!this.hp) {
+    if (this.isFainted()) {
-      this.scene.pushPhase(new FaintPhase(this.scene, this.isPlayer()));
+      this.scene.unshiftPhase(new FaintPhase(this.scene, this.getBattlerIndex()));
       this.resetSummonData();
-      this.getOpponent()?.resetBattleSummonData();
     }
   }
 
@@ -946,6 +1033,14 @@ export class PlayerPokemon extends Pokemon {
     return true;
   }
 
+  getFieldIndex(): integer {
+    return this.scene.getPlayerField().indexOf(this);
+  }
+
+  getBattlerIndex(): BattlerIndex {
+    return this.getFieldIndex();
+  }
+
   generateCompatibleTms(): void {
     this.compatibleTms = [];
 
@@ -1041,7 +1136,7 @@ export class EnemyPokemon extends Pokemon {
       : null;
     if (queuedMove) {
       if (queuedMove.isUsable(this.getMoveQueue()[0].ignorePP))
-        return { move: queuedMove.moveId, ignorePP: this.getMoveQueue()[0].ignorePP };
+        return { move: queuedMove.moveId, targets: this.getMoveQueue()[0].targets, ignorePP: this.getMoveQueue()[0].ignorePP };
       else {
         this.getMoveQueue().shift();
         return this.getNextMove();
@@ -1051,52 +1146,26 @@ export class EnemyPokemon extends Pokemon {
     const movePool = this.getMoveset().filter(m => m.isUsable());
     if (movePool.length) {
       if (movePool.length === 1)
-        return { move: movePool[0].moveId };
+        return { move: movePool[0].moveId, targets: this.getNextTargets(movePool[0].moveId) };
       switch (this.aiType) {
         case AiType.RANDOM:
-          return { move: movePool[Utils.randInt(movePool.length)].moveId };
+          const moveId = movePool[Utils.randInt(movePool.length)].moveId;
+          return { move: moveId, targets: this.getNextTargets(moveId) };
         case AiType.SMART_RANDOM:
         case AiType.SMART:
-          const target = this.scene.getPlayerPokemon();
           const moveScores = movePool.map(() => 0);
+          const moveTargets = Object.fromEntries(movePool.map(m => [ m.moveId, this.getNextTargets(m.moveId) ]));
           for (let m in movePool) {
             const pokemonMove = movePool[m];
             const move = pokemonMove.getMove();
             let moveScore = moveScores[m];
-            if (move.category === MoveCategory.STATUS)
+
-              moveScore++;
+            for (let mt of moveTargets[move.id]) {
-            else {
+              const target = this.scene.getField()[mt];
-              const effectiveness = this.getAttackMoveEffectiveness(move.type);
+              moveScore += move.getUserBenefitScore(this, target, move) + move.getTargetBenefitScore(this, target, move) * (mt < BattlerIndex.ENEMY === this.isPlayer() ? 1 : -1);
-              moveScore = Math.pow(effectiveness - 1, 2) * effectiveness < 1 ? -2 : 2;
-              if (moveScore) {
-                if (move.category === MoveCategory.PHYSICAL) {
-                  if (this.getBattleStat(Stat.ATK) > this.getBattleStat(Stat.SPATK)) {
-                    const statRatio = this.getBattleStat(Stat.SPATK) / this.getBattleStat(Stat.ATK);
-                    if (statRatio <= 0.75)
-                      moveScore *= 2;
-                    else if (statRatio <= 0.875)
-                      moveScore *= 1.5;
-                  }
-                } else {
-                  if (this.getBattleStat(Stat.SPATK) > this.getBattleStat(Stat.ATK)) {
-                    const statRatio = this.getBattleStat(Stat.ATK) / this.getBattleStat(Stat.SPATK);
-                    if (statRatio <= 0.75)
-                      moveScore *= 2;
-                    else if (statRatio <= 0.875)
-                      moveScore *= 1.5;
-                  }
             }
 
-                moveScore += Math.floor(move.power / 5);
+            moveScore /= moveTargets[move.id].length
-              }
-            }
-
-            const statChangeAttrs = move.getAttrs(StatChangeAttr) as StatChangeAttr[];
-
-            for (let sc of statChangeAttrs) {
-              moveScore += ((sc.levels >= 1) === sc.selfTarget ? -2 : 2) + sc.levels * (sc.selfTarget ? 4 : -4);
-              // TODO: Add awareness of current levels
-            }
 
             // could make smarter by checking opponent def/spdef
             moveScores[m] = moveScore;
@@ -1116,17 +1185,48 @@ export class EnemyPokemon extends Pokemon {
               r++;
           }
           console.log(movePool.map(m => m.getName()), moveScores, r, sortedMovePool.map(m => m.getName()));
-          return { move: sortedMovePool[r].moveId };
+          return { move: sortedMovePool[r].moveId, targets: moveTargets[sortedMovePool[r].moveId] };
       }
     }
 
-    return { move: Moves.STRUGGLE };
+    return { move: Moves.STRUGGLE, targets: this.getNextTargets(Moves.STRUGGLE) };
+  }
+
+  getNextTargets(moveId: Moves): BattlerIndex[] {
+    const moveTargets = getMoveTargets(this, moveId);
+    const targets = this.scene.getField().filter(p => p?.isActive() && moveTargets.targets.indexOf(p.getBattlerIndex()) > -1);
+    if (moveTargets.multiple)
+      return targets.map(p => p.getBattlerIndex());
+
+    const move = allMoves[moveId];
+
+    let benefitScores = targets
+      .map(p => [ p.getBattlerIndex(), move.getTargetBenefitScore(this, p, move) * (p.isPlayer() === this.isPlayer() ? 1 : -1) ]);
+
+    const sortedBenefitScores = benefitScores.slice(0);
+    sortedBenefitScores.sort((a, b) => {
+      const scoreA = a[1];
+      const scoreB = b[1];
+      return scoreA < scoreB ? 1 : scoreA > scoreB ? -1 : 0;
+    });
+
+    // TODO: Add some randomness
+
+    return [ sortedBenefitScores[0][0] ];
   }
 
   isPlayer() {
     return false;
   }
 
+  getFieldIndex(): integer {
+    return this.scene.getEnemyField().indexOf(this);
+  }
+
+  getBattlerIndex(): BattlerIndex {
+    return BattlerIndex.ENEMY + this.getFieldIndex();
+  }
+
   addToParty() {
     const party = this.scene.getParty();
     let ret: PlayerPokemon = null;
@@ -1143,6 +1243,7 @@ export class EnemyPokemon extends Pokemon {
 
 export interface TurnMove {
   move: Moves;
+  targets?: BattlerIndex[];
   result: MoveResult;
   virtual?: boolean;
   turn?: integer;
@@ -1150,6 +1251,7 @@ export interface TurnMove {
 
 export interface QueuedMove {
   move: Moves;
+  targets: BattlerIndex[];
   ignorePP?: boolean;
 }
 
@@ -1188,17 +1290,25 @@ export enum AiType {
 }
 
 export enum MoveResult {
+  PENDING,
+  SUCCESS,
+  FAIL,
+  MISS,
+  OTHER
+}
+
+export enum HitResult {
   EFFECTIVE = 1,
   SUPER_EFFECTIVE,
   NOT_VERY_EFFECTIVE,
   NO_EFFECT,
   STATUS,
-  FAILED,
+  FAIL,
-  MISSED,
+  MISS,
   OTHER
 }
 
-export type DamageResult = MoveResult.EFFECTIVE | MoveResult.SUPER_EFFECTIVE | MoveResult.NOT_VERY_EFFECTIVE | MoveResult.OTHER;
+export type DamageResult = HitResult.EFFECTIVE | HitResult.SUPER_EFFECTIVE | HitResult.NOT_VERY_EFFECTIVE | HitResult.OTHER;
 
 export class PokemonMove {
   public moveId: Moves;

src/system/auto-play.ts

@@ -24,7 +24,7 @@ export function initAutoPlay() {
     const commandUiHandler = this.ui.handlers[Mode.COMMAND] as CommandUiHandler;
     const fightUiHandler = this.ui.handlers[Mode.FIGHT] as FightUiHandler;
     const partyUiHandler = this.ui.handlers[Mode.PARTY] as PartyUiHandler;
-    const switchCheckUiHandler = this.ui.handlers[Mode.CONFIRM] as ConfirmUiHandler;
+    const confirmUiHandler = this.ui.handlers[Mode.CONFIRM] as ConfirmUiHandler;
     const modifierSelectUiHandler = this.ui.handlers[Mode.MODIFIER_SELECT] as ModifierSelectUiHandler;
 
     const getBestPartyMemberIndex = () => {
@@ -153,15 +153,15 @@ export function initAutoPlay() {
         }
     };
 
-    const originalSwitchCheckUiHandlerShow = switchCheckUiHandler.show;
+    const originalSwitchCheckUiHandlerShow = confirmUiHandler.show;
-    switchCheckUiHandler.show = function (args: any[]) {
+    confirmUiHandler.show = function (args: any[]) {
         originalSwitchCheckUiHandlerShow.apply(this, [ args ]);
         if (thisArg.auto) {
             const bestPartyMemberIndex = getBestPartyMemberIndex();
             thisArg.time.delayedCall(20, () => {
                 if (bestPartyMemberIndex)
                     nextPartyMemberIndex = bestPartyMemberIndex;
-                switchCheckUiHandler.setCursor(bestPartyMemberIndex ? 1 : 0);
+                confirmUiHandler.setCursor(bestPartyMemberIndex ? 1 : 0);
                 thisArg.time.delayedCall(20, () =>  this.processInput(Button.ACTION));
             });
         }
@@ -193,7 +193,7 @@ export function initAutoPlay() {
 
             const party = thisArg.getParty();
             const modifierTypeOptions = modifierSelectUiHandler.options.map(o => o.modifierTypeOption);
-            const faintedPartyMemberIndex = party.findIndex(p => !p.hp);
+            const faintedPartyMemberIndex = party.findIndex(p => p.isFainted());
             const lowHpPartyMemberIndex = party.findIndex(p => p.getHpRatio() <= 0.5);
             const criticalHpPartyMemberIndex = party.findIndex(p => p.getHpRatio() <= 0.25);
 

src/system/game-data.ts

@@ -21,7 +21,7 @@ interface SystemSaveData {
 
 interface SessionSaveData {
   party: PokemonData[];
-  enemyParty: PokemonData[];
+  enemyField: PokemonData[];
   modifiers: PersistentModifierData[];
   enemyModifiers: PersistentModifierData[];
   arena: ArenaData;
@@ -126,9 +126,9 @@ export class GameData {
   saveSession(scene: BattleScene): boolean {
     const sessionData = {
       party: scene.getParty().map(p => new PokemonData(p)),
-      enemyParty: scene.getEnemyParty().map(p => new PokemonData(p)),
+      enemyField: scene.getEnemyField().map(p => new PokemonData(p)),
-      modifiers: scene.findModifiers(m => true).map(m => new PersistentModifierData(m, true)),
+      modifiers: scene.findModifiers(() => true).map(m => new PersistentModifierData(m, true)),
-      enemyModifiers: scene.findModifiers(m => true, false).map(m => new PersistentModifierData(m, false)),
+      enemyModifiers: scene.findModifiers(() => true, false).map(m => new PersistentModifierData(m, false)),
       arena: new ArenaData(scene.arena),
       pokeballCounts: scene.pokeballCounts,
       waveIndex: scene.currentBattle.waveIndex,
@@ -153,7 +153,7 @@ export class GameData {
 
       try {
         const sessionData = JSON.parse(atob(localStorage.getItem('sessionData')), (k: string, v: any) => {
-          if (k === 'party' || k === 'enemyParty') {
+          if (k === 'party' || k === 'enemyField') {
             const ret: PokemonData[] = [];
             for (let pd of v)
               ret.push(new PokemonData(pd));
@@ -188,16 +188,19 @@ export class GameData {
           party.push(pokemon);
         }
 
-        const enemyPokemon = sessionData.enemyParty[0].toPokemon(scene) as EnemyPokemon;
-
         Object.keys(scene.pokeballCounts).forEach((key: string) => {
           scene.pokeballCounts[key] = sessionData.pokeballCounts[key] || 0;
         });
 
-        scene.newArena(sessionData.arena.biome, true);
+        scene.newArena(sessionData.arena.biome, sessionData.enemyField.length > 1);
-        scene.newBattle(sessionData.waveIndex).enemyPokemon = enemyPokemon;
+        const battle = scene.newBattle(sessionData.waveIndex, sessionData.enemyField.length > 1);
+
+        sessionData.enemyField.forEach((enemyData, e) => {
+          const enemyPokemon = enemyData.toPokemon(scene) as EnemyPokemon;
+          battle.enemyField[e] = enemyPokemon;
 
           loadPokemonAssets.push(enemyPokemon.loadAssets());
+        });
 
         scene.arena.weather = sessionData.arena.weather;
         // TODO

src/system/modifier-data.ts

@@ -37,7 +37,7 @@ export default class ModifierData {
     type.generatorId = this.typeGeneratorId;
 
     if (type instanceof ModifierTypeGenerator)
-      type = (type as ModifierTypeGenerator).generateType(this.player ? scene.getParty() : scene.getEnemyParty(), this.typePregenArgs);
+      type = (type as ModifierTypeGenerator).generateType(this.player ? scene.getParty() : scene.getEnemyField(), this.typePregenArgs);
 
     const ret = Reflect.construct(constructor, ([ type ] as any[]).concat(this.args).concat(this.stackCount)) as PersistentModifier
 

src/ui/ability-bar.ts

@@ -4,6 +4,7 @@ import { TextStyle, addTextObject } from "./text";
 
 const hiddenX = -91;
 const shownX = 10;
+const baseY = -116;
 
 export default class AbilityBar extends Phaser.GameObjects.Container {
   private bg: Phaser.GameObjects.Image;
@@ -15,7 +16,7 @@ export default class AbilityBar extends Phaser.GameObjects.Container {
   public shown: boolean;
 
   constructor(scene: BattleScene) {
-    super(scene, hiddenX, (-scene.game.canvas.height / 6) + 64);
+    super(scene, hiddenX, baseY);
   }
 
   setup(): void {
@@ -43,9 +44,12 @@ export default class AbilityBar extends Phaser.GameObjects.Container {
     if (this.shown)
       return;
 
+    (this.scene as BattleScene).fieldUI.bringToTop(this);
+
     if (this.tween)
       this.tween.stop();
 
+    this.y = baseY + ((this.scene as BattleScene).currentBattle.double ? 14 : 0);
     this.tween = this.scene.tweens.add({
       targets: this,
       x: shownX,

src/ui/ball-ui-handler.ts

@@ -60,12 +60,12 @@ export default class BallUiHandler extends UiHandler {
 
     let success = false;
 
-    const pokeballTypeCount = Object.keys(this.scene.pokeballCounts).length;
+    const pokeballTypeCount = Object.keys(this.scene.currentBattle.turnPokeballCounts).length;
 
     if (button === Button.ACTION || button === Button.CANCEL) {
       success = true;
       if (button === Button.ACTION && this.cursor < pokeballTypeCount) {
-        if (this.scene.pokeballCounts[this.cursor]) {
+        if (this.scene.currentBattle.turnPokeballCounts[this.cursor]) {
           if ((this.scene.getCurrentPhase() as CommandPhase).handleCommand(Command.BALL, this.cursor)) {
             this.scene.ui.setMode(Mode.COMMAND);
             this.scene.ui.setMode(Mode.MESSAGE);
@@ -93,7 +93,7 @@ export default class BallUiHandler extends UiHandler {
   }
 
   updateCounts() {
-    this.countsText.setText(Object.values(this.scene.pokeballCounts).map(c => `x${c}`).join('\n'));
+    this.countsText.setText(Object.values(this.scene.currentBattle.turnPokeballCounts).map(c => `x${c}`).join('\n'));
   }
 
   setCursor(cursor: integer): boolean {

src/ui/battle-info.ts

@@ -4,10 +4,12 @@ import * as Utils from '../utils';
 import { addTextObject, TextStyle } from './text';
 import { getGenderSymbol, getGenderColor } from '../data/gender';
 import { StatusEffect } from '../data/status-effect';
-import BattleScene, { maxExpLevel } from '../battle-scene';
+import { maxExpLevel } from '../battle-scene';
 
 export default class BattleInfo extends Phaser.GameObjects.Container {
   private player: boolean;
+  private mini: boolean;
+  private offset: boolean;
   private lastName: string;
   private lastStatus: StatusEffect;
   private lastHp: integer;
@@ -17,9 +19,10 @@ export default class BattleInfo extends Phaser.GameObjects.Container {
   private lastLevelExp: integer;
   private lastLevel: integer;
 
+  private box: Phaser.GameObjects.Sprite;
   private nameText: Phaser.GameObjects.Text;
   private genderText: Phaser.GameObjects.Text;
-  private ownedIcon: Phaser.GameObjects.Image;
+  private ownedIcon: Phaser.GameObjects.Sprite;
   private statusIndicator: Phaser.GameObjects.Sprite;
   private levelContainer: Phaser.GameObjects.Container;
   private hpBar: Phaser.GameObjects.Image;
@@ -30,6 +33,8 @@ export default class BattleInfo extends Phaser.GameObjects.Container {
   constructor(scene: Phaser.Scene, x: number, y: number, player: boolean) {
     super(scene, x, y);
     this.player = player;
+    this.mini = !player;
+    this.offset = false;
     this.lastName = null;
     this.lastStatus = StatusEffect.NONE;
     this.lastHp = -1;
@@ -42,9 +47,9 @@ export default class BattleInfo extends Phaser.GameObjects.Container {
     // Initially invisible and shown via Pokemon.showInfo
     this.setVisible(false);
 
-    const box = this.scene.add.image(0, 0, `pbinfo_${player ? 'player' : 'enemy'}`);
+    this.box = this.scene.add.sprite(0, 0, this.getTextureName());
-    box.setOrigin(1, 0.5);
+    this.box.setOrigin(1, 0.5);
-    this.add(box);
+    this.add(this.box);
 
     this.nameText = addTextObject(this.scene, player ? -115 : -124, player ? -15.2 : -11.2, '', TextStyle.BATTLE_INFO);
     this.nameText.setOrigin(0, 0);
@@ -56,7 +61,7 @@ export default class BattleInfo extends Phaser.GameObjects.Container {
     this.add(this.genderText);
 
     if (!this.player) {
-      this.ownedIcon = this.scene.add.image(0, 0, 'icon_owned');
+      this.ownedIcon = this.scene.add.sprite(0, 0, 'icon_owned');
       this.ownedIcon.setVisible(false);
       this.ownedIcon.setOrigin(0, 0);
       this.ownedIcon.setPositionRelative(this.nameText, 0, 11.5);
@@ -115,10 +120,11 @@ export default class BattleInfo extends Phaser.GameObjects.Container {
     }
 
     this.hpBar.setScale(pokemon.getHpRatio(), 1);
+    this.lastHpFrame = this.hpBar.scaleX > 0.5 ? 'high' : this.hpBar.scaleX > 0.25 ? 'medium' : 'low';
+    this.hpBar.setFrame(this.lastHpFrame);
     if (this.player)
       this.setHpNumbers(pokemon.hp, pokemon.getMaxHp());
     this.lastHp = pokemon.hp;
-    this.lastHpFrame = this.hpBar.scaleX > 0.5 ? 'high' : this.hpBar.scaleX > 0.25 ? 'medium' : 'low';
     this.lastMaxHp = pokemon.getMaxHp();
 
     this.setLevel(pokemon.level);
@@ -131,6 +137,39 @@ export default class BattleInfo extends Phaser.GameObjects.Container {
     }
   }
 
+  getTextureName(): string {
+    return `pbinfo_${this.player ? 'player' : 'enemy'}${this.mini ? '_mini' : ''}`;
+  }
+
+  setMini(mini: boolean): void {
+    if (this.mini === mini)
+      return;
+
+    this.mini = mini;
+
+    this.box.setTexture(this.getTextureName());
+
+    if (this.player) {
+      this.y -= 12 * (mini ? 1 : -1);
+    }
+
+    const offsetElements = [ this.nameText, this.genderText, this.statusIndicator, this.levelContainer ];
+    offsetElements.forEach(el => el.y += 1.5 * (mini ? -1 : 1));
+
+    const toggledElements = [ this.hpNumbersContainer, this.expBar ];
+    toggledElements.forEach(el => el.setVisible(!mini));
+  }
+  
+  setOffset(offset: boolean): void {
+    if (this.offset === offset)
+      return;
+    
+    this.offset = offset;
+
+    this.x += 10 * (offset === this.player ? 1 : -1);
+    this.y += 27 * (offset ? 1 : -1);
+  }
+
   updateInfo(pokemon: Pokemon, instant?: boolean): Promise<void> {
     return new Promise(resolve => {
       if (!this.scene) {
@@ -290,4 +329,6 @@ export class EnemyBattleInfo extends BattleInfo {
   constructor(scene: Phaser.Scene) {
     super(scene, 140, -141, false);
   }
+
+  setMini(mini: boolean): void { } // Always mini
 }

src/ui/command-ui-handler.ts

@@ -43,7 +43,7 @@ export default class CommandUiHandler extends UiHandler {
     const messageHandler = this.getUi().getMessageHandler();
     messageHandler.bg.setTexture('bg_command');
     messageHandler.message.setWordWrapWidth(1110);
-    messageHandler.showText(`What will\n${this.scene.getPlayerPokemon().name} do?`, 0);
+    messageHandler.showText(`What will\n${(this.scene.getCurrentPhase() as CommandPhase).getPokemon().name} do?`, 0);
     this.setCursor(this.cursor);
   }
 
@@ -65,7 +65,7 @@ export default class CommandUiHandler extends UiHandler {
             success = true;
             break;
           case 2:
-            ui.setMode(Mode.PARTY, PartyUiMode.SWITCH);
+            ui.setMode(Mode.PARTY, PartyUiMode.SWITCH, (this.scene.getCurrentPhase() as CommandPhase).getPokemon().getFieldIndex());
             success = true;
             break;
           case 3:

src/ui/evolution-scene-handler.ts

@@ -14,6 +14,12 @@ export default class EvolutionSceneHandler extends UiHandler {
       this.scene.fieldUI.add(this.evolutionContainer);
     }
 
+    show(_args: any[]): void {
+      super.show(_args);
+
+      this.scene.fieldUI.bringToTop(this.evolutionContainer);
+    }
+  
     processInput(button: Button) {
       this.scene.ui.getMessageHandler().processInput(button);
     }

src/ui/fight-ui-handler.ts

@@ -91,7 +91,7 @@ export default class FightUiHandler extends UiHandler {
       ui.add(this.cursorObj);
     }
 
-    const moveset = this.scene.getPlayerPokemon().getMoveset();
+    const moveset = (this.scene.getCurrentPhase() as CommandPhase).getPokemon().getMoveset();
 
     const hasMove = cursor < moveset.length;
 
@@ -114,7 +114,7 @@ export default class FightUiHandler extends UiHandler {
   }
 
   displayMoves() {
-    const moveset = this.scene.getPlayerPokemon().getMoveset();
+    const moveset = (this.scene.getCurrentPhase() as CommandPhase).getPokemon().getMoveset();
     for (let m = 0; m < 4; m++) {
       const moveText = addTextObject(this.scene, m % 2 === 0 ? 0 : 100, m < 2 ? 0 : 16, '-', TextStyle.WINDOW);
       if (m < moveset.length)

src/ui/party-ui-handler.ts

@@ -42,7 +42,9 @@ export type PokemonMoveSelectFilter = (pokemonMove: PokemonMove) => string;
 
 export default class PartyUiHandler extends MessageUiHandler {
   private partyUiMode: PartyUiMode;
+  private fieldIndex: integer;
 
+  private partyBg: Phaser.GameObjects.Image;
   private partyContainer: Phaser.GameObjects.Container;
   private partySlotsContainer: Phaser.GameObjects.Container;
   private partySlots: PartySlot[];
@@ -67,7 +69,7 @@ export default class PartyUiHandler extends MessageUiHandler {
   private static FilterAll = (_pokemon: PlayerPokemon) => null;
 
   public static FilterNonFainted = (pokemon: PlayerPokemon) => {
-    if (!pokemon.hp)
+    if (pokemon.isFainted())
       return `${pokemon.name} has no energy\nleft to battle!`;
     return null;
   };
@@ -96,10 +98,10 @@ export default class PartyUiHandler extends MessageUiHandler {
 
     this.partyContainer = partyContainer;
 
-    const partyBg = this.scene.add.image(0, 0, 'party_bg');
+    this.partyBg = this.scene.add.image(0, 0, 'party_bg');
-    partyContainer.add(partyBg);
+    partyContainer.add(this.partyBg);
 
-    partyBg.setOrigin(0, 1);
+    this.partyBg.setOrigin(0, 1);
 
     const partySlotsContainer = this.scene.add.container(0, 0);
     partyContainer.add(partySlotsContainer);
@@ -143,17 +145,20 @@ export default class PartyUiHandler extends MessageUiHandler {
 
     this.partyUiMode = args[0] as PartyUiMode;
 
+    this.fieldIndex = args.length > 1 ? args[1] as integer : -1;
+
     this.partyContainer.setVisible(true);
+    this.partyBg.setTexture(`party_bg${this.scene.currentBattle.double ? '_double' : ''}`);
     this.populatePartySlots();
     this.setCursor(this.cursor < 6 ? this.cursor : 0);
 
-    if (args.length > 1 && args[1] instanceof Function)
+    if (args.length > 2 && args[2] instanceof Function)
-      this.selectCallback = args[1];
+      this.selectCallback = args[2];
-    this.selectFilter = args.length > 2 && args[2] instanceof Function
+    this.selectFilter = args.length > 3 && args[3] instanceof Function
-      ? args[2] as PokemonSelectFilter
+      ? args[3] as PokemonSelectFilter
       : PartyUiHandler.FilterAll;
-    this.moveSelectFilter = args.length > 3 && args[3] instanceof Function
+    this.moveSelectFilter = args.length > 4 && args[4] instanceof Function
-      ? args[3] as PokemonMoveSelectFilter
+      ? args[4] as PokemonMoveSelectFilter
       : PartyUiHandler.FilterAllMoves;
   }
 
@@ -226,7 +231,7 @@ export default class PartyUiHandler extends MessageUiHandler {
         } else if (option === PartyOption.RELEASE) {
           this.clearOptions();
           ui.playSelect();
-          if (this.cursor) {
+          if (this.cursor >= this.scene.currentBattle.getBattlerCount()) {
             this.showText(`Do you really want to release ${pokemon.name}?`, null, () => {
               ui.setModeWithoutClear(Mode.CONFIRM, () => {
                 ui.setMode(Mode.PARTY);
@@ -292,12 +297,13 @@ export default class PartyUiHandler extends MessageUiHandler {
           success = this.setCursor(this.cursor < 6 ? this.cursor < slotCount - 1 ? this.cursor + 1 : 6 : 0);
           break;
         case Button.LEFT:
-          if (this.cursor && this.cursor < 6)
+          if (this.cursor >= this.scene.currentBattle.getBattlerCount() && this.cursor < 6)
             success = this.setCursor(0);
           break;
         case Button.RIGHT:
-          if (!this.cursor)
+          const battlerCount = this.scene.currentBattle.getBattlerCount();
-            success = this.setCursor(this.lastCursor < 6 ? this.lastCursor || 1 : 1);
+          if (this.cursor < battlerCount)
+            success = this.setCursor(this.lastCursor < 6 ? this.lastCursor || battlerCount : battlerCount);
           break;
       }
     }
@@ -411,10 +417,11 @@ export default class PartyUiHandler extends MessageUiHandler {
         case PartyUiMode.SWITCH:
         case PartyUiMode.FAINT_SWITCH:
         case PartyUiMode.POST_BATTLE_SWITCH:
-          if (this.cursor) {
+          if (this.cursor >= this.scene.currentBattle.getBattlerCount()) {
             this.options.push(PartyOption.SEND_OUT);
             if (this.partyUiMode !== PartyUiMode.FAINT_SWITCH
-                && this.scene.findModifier(m => m instanceof SwitchEffectTransferModifier && (m as SwitchEffectTransferModifier).pokemonId === this.scene.getPlayerPokemon().id))
+                && this.scene.findModifier(m => m instanceof SwitchEffectTransferModifier
+                  && (m as SwitchEffectTransferModifier).pokemonId === this.scene.getPlayerField()[this.fieldIndex].id))
               this.options.push(PartyOption.PASS_BATON);
           }
           break;
@@ -578,7 +585,9 @@ class PartySlot extends Phaser.GameObjects.Container {
   private slotHpOverlay: Phaser.GameObjects.Sprite;
 
   constructor(scene: BattleScene, slotIndex: integer, pokemon: PlayerPokemon) {
-    super(scene, slotIndex ? 230.5 : 64, slotIndex ? -184 + 28 * slotIndex : -124);
+    super(scene, slotIndex >= scene.currentBattle.getBattlerCount() ? 230.5 : 64,
+      slotIndex >= scene.currentBattle.getBattlerCount() ? -184 + (scene.currentBattle.double ? -38 : 0)
+      + (28 + (scene.currentBattle.double ? 6 : 0)) * slotIndex : -124 + (scene.currentBattle.double ? -8 : 0) + slotIndex * 64);
 
     this.slotIndex = slotIndex;
     this.pokemon = pokemon;
@@ -587,14 +596,16 @@ class PartySlot extends Phaser.GameObjects.Container {
   }
 
   setup() {
-    const slotKey = `party_slot${this.slotIndex ? '' : '_main'}`;
+    const battlerCount = (this.scene as BattleScene).currentBattle.getBattlerCount();
+
+    const slotKey = `party_slot${this.slotIndex >= battlerCount ? '' : '_main'}`;
 
     const slotBg = this.scene.add.sprite(0, 0, slotKey, `${slotKey}${this.pokemon.hp ? '' : '_fnt'}`);
     this.slotBg = slotBg;
 
     this.add(slotBg);
 
-    const slotPb = this.scene.add.sprite(this.slotIndex ? -85.5 : -51, this.slotIndex ? 0 : -20.5, 'party_pb');
+    const slotPb = this.scene.add.sprite(this.slotIndex >= battlerCount ? -85.5 : -51, this.slotIndex >= battlerCount ? 0 : -20.5, 'party_pb');
     this.slotPb = slotPb;
 
     this.add(slotPb);
@@ -609,7 +620,7 @@ class PartySlot extends Phaser.GameObjects.Container {
     this.add(slotInfoContainer);
 
     const slotName = addTextObject(this.scene, 0, 0, this.pokemon.name, TextStyle.PARTY);
-    slotName.setPositionRelative(slotBg, this.slotIndex ? 21 : 24, this.slotIndex ? 3 : 10);
+    slotName.setPositionRelative(slotBg, this.slotIndex >= battlerCount ? 21 : 24, this.slotIndex >= battlerCount ? 3 : 10);
     slotName.setOrigin(0, 0);
 
     const slotLevelLabel = this.scene.add.image(0, 0, 'party_slot_overlay_lv');
@@ -621,7 +632,7 @@ class PartySlot extends Phaser.GameObjects.Container {
     slotLevelText.setOrigin(0, 0.25);
 
     const slotHpBar = this.scene.add.image(0, 0, 'party_slot_hp_bar');
-    slotHpBar.setPositionRelative(slotBg, this.slotIndex ? 72 : 8, this.slotIndex ? 7 : 31);
+    slotHpBar.setPositionRelative(slotBg, this.slotIndex >= battlerCount ? 72 : 8, this.slotIndex >= battlerCount ? 7 : 31);
     slotHpBar.setOrigin(0, 0);
 
     const hpRatio = this.pokemon.getHpRatio();
@@ -669,8 +680,9 @@ class PartySlot extends Phaser.GameObjects.Container {
   }
 
   private updateSlotTexture(): void {
-    this.slotBg.setTexture(`party_slot${this.slotIndex ? '' : '_main'}`,
+    const battlerCount = (this.scene as BattleScene).currentBattle.getBattlerCount();
-      `party_slot${this.slotIndex ? '' : '_main'}${this.transfer ? '_swap' : this.pokemon.hp ? '' : '_fnt'}${this.selected ? '_sel' : ''}`);
+    this.slotBg.setTexture(`party_slot${this.slotIndex >= battlerCount ? '' : '_main'}`,
+      `party_slot${this.slotIndex >= battlerCount ? '' : '_main'}${this.transfer ? '_swap' : this.pokemon.hp ? '' : '_fnt'}${this.selected ? '_sel' : ''}`);
   }
 }
 

src/ui/target-select-ui-handler.ts

@@ -0,0 +1,121 @@
+import { BattlerIndex } from "../battle";
+import BattleScene, { Button } from "../battle-scene";
+import { Moves, getMoveTargets } from "../data/move";
+import { Mode } from "./ui";
+import UiHandler from "./uiHandler";
+import * as Utils from "../utils";
+
+export type TargetSelectCallback = (cursor: integer) => void;
+
+export default class TargetSelectUiHandler extends UiHandler {
+  private fieldIndex: integer;
+  private move: Moves;
+  private targetSelectCallback: TargetSelectCallback;
+
+  private targets: BattlerIndex[];
+  private targetFlashTween: Phaser.Tweens.Tween;
+
+  constructor(scene: BattleScene) {
+    super(scene, Mode.TARGET_SELECT);
+
+    this.cursor = -1;
+  }
+
+  setup(): void { }
+
+  show(args: any[]) {
+    if (args.length < 3)
+      return;
+
+    super.show(args);
+
+    this.fieldIndex = args[0] as integer;
+    this.move = args[1] as Moves;
+    this.targetSelectCallback = args[2] as TargetSelectCallback;
+
+    this.targets = getMoveTargets(this.scene.getPlayerField()[this.fieldIndex], this.move).targets;
+
+    if (!this.targets.length)
+      return;
+
+    this.setCursor(this.targets.indexOf(this.cursor) > -1 ? this.cursor : this.targets[0]);
+  }
+
+  processInput(button: Button) {
+    const ui = this.getUi();
+
+    let success = false;
+
+    if (button === Button.ACTION || button === Button.CANCEL) {
+      this.targetSelectCallback(button === Button.ACTION ? this.cursor : -1);
+      success = true;
+    } else {
+      switch (button) {
+        case Button.UP:
+          if (this.cursor < BattlerIndex.ENEMY && this.targets.find(t => t >= BattlerIndex.ENEMY))
+            success = this.setCursor(this.targets.find(t => t >= BattlerIndex.ENEMY));
+          break;
+        case Button.DOWN:
+          if (this.cursor >= BattlerIndex.ENEMY && this.targets.find(t => t < BattlerIndex.ENEMY))
+            success = this.setCursor(this.targets.find(t => t < BattlerIndex.ENEMY));
+          break;
+        case Button.LEFT:
+          if (this.cursor % 2 && this.targets.find(t => t === this.cursor - 1))
+            success = this.setCursor(this.cursor - 1);
+          break;
+        case Button.RIGHT:
+          if (!(this.cursor % 2) && this.targets.find(t => t === this.cursor + 1))
+            success = this.setCursor(this.cursor + 1);
+          break;
+      }
+    }
+
+    if (success)
+      ui.playSelect();
+  }
+
+  setCursor(cursor: integer): boolean {
+    const lastCursor = this.cursor;
+
+    const ret = super.setCursor(cursor);
+
+    if (this.targetFlashTween) {
+      this.targetFlashTween.stop();
+      const lastTarget = this.scene.getField()[lastCursor];
+      if (lastTarget)
+        lastTarget.setAlpha(1);
+    }
+
+    const target = this.scene.getField()[cursor];
+
+    this.targetFlashTween = this.scene.tweens.add({
+      targets: [ target ],
+      alpha: 0,
+      loop: -1,
+      duration: new Utils.FixedInt(250) as unknown as integer,
+      ease: 'Sine.easeIn',
+      yoyo: true,
+      onUpdate: t => {
+        if (target)
+          target.setAlpha(t.getValue());
+      }
+    });
+
+    return ret;
+  }
+
+  eraseCursor() {
+    const target = this.scene.getField()[this.cursor];
+    if (this.targetFlashTween) {
+      this.targetFlashTween.stop();
+      this.targetFlashTween = null;
+    }
+    if (target)
+      target.setAlpha(1);
+  }
+
+  clear() {
+    super.clear();
+    this.eraseCursor();
+  }
+}

src/ui/ui.ts

@@ -12,12 +12,14 @@ import SummaryUiHandler from './summary-ui-handler';
 import StarterSelectUiHandler from './starter-select-ui-handler';
 import EvolutionSceneHandler from './evolution-scene-handler';
 import BiomeSelectUiHandler from './biome-select-ui-handler';
+import TargetSelectUiHandler from './target-select-ui-handler';
 
 export enum Mode {
   MESSAGE,
   COMMAND,
   FIGHT,
   BALL,
+  TARGET_SELECT,
   MODIFIER_SELECT,
   PARTY,
   SUMMARY,
@@ -54,6 +56,7 @@ export default class UI extends Phaser.GameObjects.Container {
       new CommandUiHandler(scene),
       new FightUiHandler(scene),
       new BallUiHandler(scene),
+      new TargetSelectUiHandler(scene),
       new ModifierSelectUiHandler(scene),
       new PartyUiHandler(scene),
       new SummaryUiHandler(scene),

src/utils.ts

@@ -25,6 +25,8 @@ export function padInt(value: integer, length: integer, padWith?: string): strin
 export function randInt(range: integer, min?: integer): integer {
   if (!min)
     min = 0;
+  if (range === 1)
+    return min;
   return Math.floor(Math.random() * range) + min;
 }