Implement Sticky Web

src/data/arena-tag.ts

@@ -1,15 +1,16 @@
 import { Arena } from "../field/arena";
 import { Type } from "./type";
 import * as Utils from "../utils";
-import { MoveCategory, allMoves } from "./move";
+import { MoveCategory, StatChangeAttr, allMoves } from "./move";
 import { getPokemonMessage } from "../messages";
 import Pokemon, { HitResult, PokemonMove } from "../field/pokemon";
-import { MoveEffectPhase } from "../phases";
+import { MoveEffectPhase, StatChangePhase } from "../phases";
 import { StatusEffect } from "./status-effect";
 import { BattlerIndex } from "../battle";
 import { Moves } from "./enums/moves";
 import { ArenaTagType } from "./enums/arena-tag-type";
-import { BlockNonDirectDamageAbAttr, applyAbAttrs } from "./ability";
+import { BlockNonDirectDamageAbAttr, ProtectStatAbAttr, applyAbAttrs } from "./ability";
+import { BattleStat } from "./battle-stat";
 
 export enum ArenaTagSide {
   BOTH,
@@ -392,6 +393,34 @@ class StealthRockTag extends ArenaTrapTag {
   }
 }
 
+class StickyWebTag extends ArenaTrapTag {
+  constructor(sourceId: integer, side: ArenaTagSide) {
+    super(ArenaTagType.STICKY_WEB, Moves.STICKY_WEB, sourceId, side, 1);
+  }
+
+  onAdd(arena: Arena): void {
+    super.onAdd(arena);
+    
+    const source = arena.scene.getPokemonById(this.sourceId);
+    arena.scene.queueMessage(`A ${this.getMoveName()} has been laid out on the ground around the opposing team!`);
+  }
+
+  activateTrap(pokemon: Pokemon): boolean {
+    if (pokemon.isGrounded()) {
+      const cancelled = new Utils.BooleanHolder(false);
+      applyAbAttrs(ProtectStatAbAttr, pokemon, cancelled);
+      if (!cancelled.value) {
+        pokemon.scene.queueMessage(`The opposing ${pokemon.name} was caught in a sticky web!`);
+        const statLevels = new Utils.NumberHolder(-1);
+        pokemon.scene.unshiftPhase(new StatChangePhase(pokemon.scene, pokemon.getBattlerIndex(), false, [BattleStat.SPD], statLevels.value));
+      }
+    }
+
+    return false;
+  }
+
+}
+
 export class TrickRoomTag extends ArenaTag {
   constructor(turnCount: integer, sourceId: integer) {
     super(ArenaTagType.TRICK_ROOM, turnCount, Moves.TRICK_ROOM, sourceId);
@@ -443,6 +472,8 @@ export function getArenaTag(tagType: ArenaTagType, turnCount: integer, sourceMov
       return new DelayedAttackTag(tagType, sourceMove, sourceId, targetIndex);
     case ArenaTagType.STEALTH_ROCK:
       return new StealthRockTag(sourceId, side);
+    case ArenaTagType.STICKY_WEB:
+      return new StickyWebTag(sourceId, side);
     case ArenaTagType.TRICK_ROOM:
       return new TrickRoomTag(turnCount, sourceId);
     case ArenaTagType.GRAVITY:

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

@@ -9,6 +9,7 @@ export enum ArenaTagType {
   FUTURE_SIGHT = "FUTURE_SIGHT",
   DOOM_DESIRE = "DOOM_DESIRE",
   STEALTH_ROCK = "STEALTH_ROCK",
+  STICKY_WEB = "STICKY_WEB",
   TRICK_ROOM = "TRICK_ROOM",
   GRAVITY = "GRAVITY",
   REFLECT = "REFLECT",

src/data/move.ts

@@ -4176,7 +4176,8 @@ export function initMoves() {
     new AttackMove(Moves.BELCH, "Belch (P)", Type.POISON, MoveCategory.SPECIAL, 120, 90, 10, "The user lets out a damaging belch at the target. The user must eat a held Berry to use this move.", -1, 0, 6),
     new StatusMove(Moves.ROTOTILLER, "Rototiller (N)", Type.GROUND, -1, 10, "Tilling the soil, the user makes it easier for plants to grow. This raises the Attack and Sp. Atk stats of Grass-type Pokémon.", 100, 0, 6)
       .target(MoveTarget.ALL),
-    new StatusMove(Moves.STICKY_WEB, "Sticky Web (N)", Type.BUG, -1, 20, "The user weaves a sticky net around the opposing team, which lowers their Speed stats upon switching into battle.", -1, 0, 6)
+    new StatusMove(Moves.STICKY_WEB, "Sticky Web", Type.BUG, -1, 20, "The user weaves a sticky net around the opposing team, which lowers their Speed stats upon switching into battle.", -1, 0, 6)
+      .attr(AddArenaTrapTagAttr, ArenaTagType.STICKY_WEB)
       .target(MoveTarget.ENEMY_SIDE),
     new AttackMove(Moves.FELL_STINGER, "Fell Stinger (P)", Type.BUG, MoveCategory.PHYSICAL, 50, 100, 25, "When the user knocks out a target with this move, the user's Attack stat rises drastically.", -1, 0, 6),
     new AttackMove(Moves.PHANTOM_FORCE, "Phantom Force", Type.GHOST, MoveCategory.PHYSICAL, 90, 100, 10, "The user vanishes somewhere, then strikes the target on the next turn. This move hits even if the target protects itself.", -1, 0, 6)