Partially Implemented Flower Veil

- Blocks status conditions on self and allies that are grass type
- Blocks stat lowering by other Pokémon on self and allies that are grass type

src/data/ability.ts

@@ -1646,6 +1646,29 @@ export class ProtectStatAbAttr extends PreStatChangeAbAttr {
   }
 }
 
+export class AllyProtectStatAbAttr extends PreStatChangeAbAttr {
+  private protectedStat: BattleStat;
+
+  constructor(protectedStat?: BattleStat) {
+    super();
+
+    this.protectedStat = protectedStat;
+  }
+
+  applyPreStatChange(pokemon: Pokemon, passive: boolean, stat: BattleStat, cancelled: Utils.BooleanHolder, args: any[]): boolean {
+    if (this.protectedStat === undefined || stat === this.protectedStat) {
+      cancelled.value = true;
+      return true;
+    }
+    
+    return false;
+  }
+
+  getTriggerMessage(pokemon: Pokemon, abilityName: string, ...args: any[]): string {
+    return getPokemonMessage(pokemon, `'s ${abilityName}\nprevents lowering its ${this.protectedStat !== undefined ? getBattleStatName(this.protectedStat) : 'stats'}!`);
+  }
+}
+
 export class PreSetStatusAbAttr extends AbAttr {
   applyPreSetStatus(pokemon: Pokemon, passive: boolean, effect: StatusEffect, cancelled: Utils.BooleanHolder, args: any[]): boolean | Promise<boolean> {
     return false;
@@ -1675,6 +1698,29 @@ export class StatusEffectImmunityAbAttr extends PreSetStatusAbAttr {
   }
 }
 
+export class AllyStatusEffectImmunityAbAttr extends PreSetStatusAbAttr {
+  private immuneEffects: StatusEffect[];
+
+  constructor(...immuneEffects: StatusEffect[]) {
+    super();
+
+    this.immuneEffects = immuneEffects;
+  }
+
+  applyPreSetStatus(pokemon: Pokemon, passive: boolean, effect: StatusEffect, cancelled: Utils.BooleanHolder, args: any[]): boolean {
+    if (!this.immuneEffects.length || this.immuneEffects.indexOf(effect) > -1) {
+      cancelled.value = true;
+      return true;
+    }
+
+    return false;
+  }
+
+  getTriggerMessage(pokemon: Pokemon, abilityName: string, ...args: any[]): string {
+    return getPokemonMessage(pokemon, `'s ${abilityName}\nprevents ${this.immuneEffects.length ? getStatusEffectDescriptor(args[0] as StatusEffect) : 'status problems'}!`);
+  }
+}
+
 export class PreApplyBattlerTagAbAttr extends AbAttr {
   applyPreApplyBattlerTag(pokemon: Pokemon, passive: boolean, tag: BattlerTag, cancelled: Utils.BooleanHolder, args: any[]): boolean | Promise<boolean> {
     return false;
@@ -1704,6 +1750,29 @@ export class BattlerTagImmunityAbAttr extends PreApplyBattlerTagAbAttr {
   }
 }
 
+export class AllyBattlerTagImmunityAbAttr extends PreApplyBattlerTagAbAttr {
+  private immuneTagType: BattlerTagType;
+
+  constructor(immuneTagType: BattlerTagType) {
+    super();
+
+    this.immuneTagType = immuneTagType;
+  }
+
+  applyPreApplyBattlerTag(pokemon: Pokemon, passive: boolean, tag: BattlerTag, cancelled: Utils.BooleanHolder, args: any[]): boolean {
+    if (tag.tagType === this.immuneTagType) {
+      cancelled.value = true;
+      return true;
+    }
+
+    return false;
+  }
+
+  getTriggerMessage(pokemon: Pokemon, abilityName: string, ...args: any[]): string {
+    return getPokemonMessage(pokemon, `'s ${abilityName}\nprevents ${(args[0] as BattlerTag).getDescriptor()}!`);
+  }
+}
+
 export class BlockCritAbAttr extends AbAttr {
   apply(pokemon: Pokemon, passive: boolean, cancelled: Utils.BooleanHolder, args: any[]): boolean {
     (args[0] as Utils.BooleanHolder).value = true;
@@ -3232,9 +3301,16 @@ export function initAbilities() {
     new Ability(Abilities.AROMA_VEIL, 6)
       .ignorable()
       .unimplemented(),
-    new Ability(Abilities.FLOWER_VEIL, 6)
+    new Ability(Abilities.FLOWER_VEIL, 6) // TODO: Check against Spectral Thief once implemented, check against Toxic orb and flame orb once implemented.
+    // Also needs to not prevent the user from using Rest.
+      .conditionalAttr(p => (p.isOfType(Type.GRASS)), ProtectStatAbAttr)
+      .conditionalAttr(p => (p.isOfType(Type.GRASS)), AllyProtectStatAbAttr)
+      .conditionalAttr(p => (p.isOfType(Type.GRASS)), StatusEffectImmunityAbAttr)
+      .conditionalAttr(p => (p.isOfType(Type.GRASS)), AllyStatusEffectImmunityAbAttr)
+      .conditionalAttr(p => (p.isOfType(Type.GRASS)), BattlerTagImmunityAbAttr, BattlerTagType.DROWSY)
+      .conditionalAttr(p => (p.isOfType(Type.GRASS)), AllyBattlerTagImmunityAbAttr, BattlerTagType.DROWSY)
       .ignorable()
-      .unimplemented(),
+      .partial(), 
     new Ability(Abilities.CHEEK_POUCH, 6)
       .unimplemented(),
     new Ability(Abilities.PROTEAN, 6)

src/data/arena-tag.ts

@@ -9,7 +9,7 @@ import { StatusEffect } from "./status-effect";
 import { BattlerIndex } from "../battle";
 import { Moves } from "./enums/moves";
 import { ArenaTagType } from "./enums/arena-tag-type";
-import { BlockNonDirectDamageAbAttr, ProtectStatAbAttr, applyAbAttrs } from "./ability";
+import { AllyProtectStatAbAttr, BlockNonDirectDamageAbAttr, ProtectStatAbAttr, applyAbAttrs } from "./ability";
 import { BattleStat } from "./battle-stat";
 
 export enum ArenaTagSide {
@@ -436,6 +436,10 @@ class StickyWebTag extends ArenaTrapTag {
     if (pokemon.isGrounded()) {
       const cancelled = new Utils.BooleanHolder(false);
       applyAbAttrs(ProtectStatAbAttr, pokemon, cancelled);
+      if (!cancelled.value) {
+        applyAbAttrs(AllyProtectStatAbAttr, pokemon.getAlly(), cancelled);
+      }
+
       if (!cancelled.value) {
         pokemon.scene.queueMessage(`The opposing ${pokemon.name} was caught in a sticky web!`);
         const statLevels = new Utils.NumberHolder(-1);

src/field/pokemon.ts

@@ -27,7 +27,7 @@ import { TempBattleStat } from '../data/temp-battle-stat';
 import { ArenaTagSide, WeakenMoveScreenTag, WeakenMoveTypeTag } from '../data/arena-tag';
 import { ArenaTagType } from "../data/enums/arena-tag-type";
 import { Biome } from "../data/enums/biome";
-import { Ability, AbAttr, BattleStatMultiplierAbAttr, BlockCritAbAttr, BonusCritAbAttr, BypassBurnDamageReductionAbAttr, FieldPriorityMoveImmunityAbAttr, FieldVariableMovePowerAbAttr, IgnoreOpponentStatChangesAbAttr, MoveImmunityAbAttr, MoveTypeChangeAttr, NonSuperEffectiveImmunityAbAttr, PreApplyBattlerTagAbAttr, PreDefendFullHpEndureAbAttr, ReceivedMoveDamageMultiplierAbAttr, ReduceStatusEffectDurationAbAttr, StabBoostAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, VariableMovePowerAbAttr, VariableMoveTypeAbAttr, WeightMultiplierAbAttr, allAbilities, applyAbAttrs, applyBattleStatMultiplierAbAttrs, applyPostDefendAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs, UnsuppressableAbilityAbAttr, SuppressFieldAbilitiesAbAttr, NoFusionAbilityAbAttr, MultCritAbAttr, IgnoreTypeImmunityAbAttr } from '../data/ability';
+import { Ability, AbAttr, BattleStatMultiplierAbAttr, BlockCritAbAttr, BonusCritAbAttr, BypassBurnDamageReductionAbAttr, FieldPriorityMoveImmunityAbAttr, FieldVariableMovePowerAbAttr, IgnoreOpponentStatChangesAbAttr, MoveImmunityAbAttr, MoveTypeChangeAttr, NonSuperEffectiveImmunityAbAttr, PreApplyBattlerTagAbAttr, PreDefendFullHpEndureAbAttr, ReceivedMoveDamageMultiplierAbAttr, ReduceStatusEffectDurationAbAttr, StabBoostAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, VariableMovePowerAbAttr, VariableMoveTypeAbAttr, WeightMultiplierAbAttr, allAbilities, applyAbAttrs, applyBattleStatMultiplierAbAttrs, applyPostDefendAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs, UnsuppressableAbilityAbAttr, SuppressFieldAbilitiesAbAttr, NoFusionAbilityAbAttr, MultCritAbAttr, IgnoreTypeImmunityAbAttr, AllyStatusEffectImmunityAbAttr } from '../data/ability';
 import { Abilities } from "#app/data/enums/abilities";
 import PokemonData from '../system/pokemon-data';
 import Battle, { BattlerIndex } from '../battle';
@@ -2021,6 +2021,8 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
 
     const cancelled = new Utils.BooleanHolder(false);
     applyPreSetStatusAbAttrs(StatusEffectImmunityAbAttr, this, effect, cancelled, quiet);
+    if (!cancelled.value)
+      applyPreSetStatusAbAttrs(AllyStatusEffectImmunityAbAttr, this.getAlly(), effect, cancelled, quiet);
 
     if (cancelled.value)
       return false;

src/phases.ts

@@ -30,7 +30,7 @@ import { Weather, WeatherType, getRandomWeatherType, getTerrainBlockMessage, get
 import { TempBattleStat } from "./data/temp-battle-stat";
 import { ArenaTagSide, ArenaTrapTag, MistTag, TrickRoomTag } from "./data/arena-tag";
 import { ArenaTagType } from "./data/enums/arena-tag-type";
-import { CheckTrappedAbAttr, IgnoreOpponentStatChangesAbAttr, PostAttackAbAttr, PostBattleAbAttr, PostDefendAbAttr, PostSummonAbAttr, PostTurnAbAttr, PostWeatherLapseAbAttr, PreSwitchOutAbAttr, PreWeatherDamageAbAttr, ProtectStatAbAttr, RedirectMoveAbAttr, BlockRedirectAbAttr, RunSuccessAbAttr, StatChangeMultiplierAbAttr, SuppressWeatherEffectAbAttr, SyncEncounterNatureAbAttr, applyAbAttrs, applyCheckTrappedAbAttrs, applyPostAttackAbAttrs, applyPostBattleAbAttrs, applyPostDefendAbAttrs, applyPostSummonAbAttrs, applyPostTurnAbAttrs, applyPostWeatherLapseAbAttrs, applyPreStatChangeAbAttrs, applyPreSwitchOutAbAttrs, applyPreWeatherEffectAbAttrs, BattleStatMultiplierAbAttr, applyBattleStatMultiplierAbAttrs, IncrementMovePriorityAbAttr, applyPostVictoryAbAttrs, PostVictoryAbAttr, applyPostBattleInitAbAttrs, PostBattleInitAbAttr, BlockNonDirectDamageAbAttr as BlockNonDirectDamageAbAttr, applyPostKnockOutAbAttrs, PostKnockOutAbAttr, PostBiomeChangeAbAttr, applyPostFaintAbAttrs, PostFaintAbAttr, IncreasePpAbAttr, PostStatChangeAbAttr, applyPostStatChangeAbAttrs, AlwaysHitAbAttr, PreventBerryUseAbAttr, StatChangeCopyAbAttr } from "./data/ability";
+import { CheckTrappedAbAttr, IgnoreOpponentStatChangesAbAttr, PostAttackAbAttr, PostBattleAbAttr, PostDefendAbAttr, PostSummonAbAttr, PostTurnAbAttr, PostWeatherLapseAbAttr, PreSwitchOutAbAttr, PreWeatherDamageAbAttr, ProtectStatAbAttr, RedirectMoveAbAttr, BlockRedirectAbAttr, RunSuccessAbAttr, StatChangeMultiplierAbAttr, SuppressWeatherEffectAbAttr, SyncEncounterNatureAbAttr, applyAbAttrs, applyCheckTrappedAbAttrs, applyPostAttackAbAttrs, applyPostBattleAbAttrs, applyPostDefendAbAttrs, applyPostSummonAbAttrs, applyPostTurnAbAttrs, applyPostWeatherLapseAbAttrs, applyPreStatChangeAbAttrs, applyPreSwitchOutAbAttrs, applyPreWeatherEffectAbAttrs, BattleStatMultiplierAbAttr, applyBattleStatMultiplierAbAttrs, IncrementMovePriorityAbAttr, applyPostVictoryAbAttrs, PostVictoryAbAttr, applyPostBattleInitAbAttrs, PostBattleInitAbAttr, BlockNonDirectDamageAbAttr as BlockNonDirectDamageAbAttr, applyPostKnockOutAbAttrs, PostKnockOutAbAttr, PostBiomeChangeAbAttr, applyPostFaintAbAttrs, PostFaintAbAttr, IncreasePpAbAttr, PostStatChangeAbAttr, applyPostStatChangeAbAttrs, AlwaysHitAbAttr, PreventBerryUseAbAttr, StatChangeCopyAbAttr, AllyProtectStatAbAttr } from "./data/ability";
 import { Unlockables, getUnlockableName } from "./system/unlockables";
 import { getBiomeKey } from "./field/arena";
 import { BattleType, BattlerIndex, TurnCommand } from "./battle";
@@ -2740,6 +2740,8 @@ export class StatChangePhase extends PokemonPhase {
 
       if (!cancelled.value && !this.selfTarget && this.levels < 0)
         applyPreStatChangeAbAttrs(ProtectStatAbAttr, this.getPokemon(), stat, cancelled);
+        if (!cancelled.value && !this.selfTarget)
+          applyPreStatChangeAbAttrs(AllyProtectStatAbAttr, this.getPokemon().getAlly(), stat, cancelled);
       
       return !cancelled.value;
     });