From 18b506836b47d300486d293f38d06358a911c210 Mon Sep 17 00:00:00 2001
From: NightKev <34855794+DayKev@users.noreply.github.com>
Date: Tue, 1 Oct 2024 21:38:47 -0700
Subject: [PATCH] Diamond Storm should only trigger once when hitting multiple
 pokemon

---
 src/data/move.ts                     |  2 +-
 src/test/moves/diamond_storm.test.ts | 46 ++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 src/test/moves/diamond_storm.test.ts

diff --git a/src/data/move.ts b/src/data/move.ts
index 748f81cdd8b..858ffda64aa 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -8489,7 +8489,7 @@ export function initMoves() {
       .attr(StatStageChangeAttr, [ Stat.SPATK ], -1)
       .soundBased(),
     new AttackMove(Moves.DIAMOND_STORM, Type.ROCK, MoveCategory.PHYSICAL, 100, 95, 5, 50, 0, 6)
-      .attr(StatStageChangeAttr, [ Stat.DEF ], 2, true)
+      .attr(StatStageChangeAttr, [ Stat.DEF ], 2, true, undefined, undefined, undefined, undefined, true)
       .makesContact(false)
       .target(MoveTarget.ALL_NEAR_ENEMIES),
     new AttackMove(Moves.STEAM_ERUPTION, Type.WATER, MoveCategory.SPECIAL, 110, 95, 5, 30, 0, 6)
diff --git a/src/test/moves/diamond_storm.test.ts b/src/test/moves/diamond_storm.test.ts
new file mode 100644
index 00000000000..10863dc4c94
--- /dev/null
+++ b/src/test/moves/diamond_storm.test.ts
@@ -0,0 +1,46 @@
+import { allMoves } from "#app/data/move";
+import { Abilities } from "#enums/abilities";
+import { Moves } from "#enums/moves";
+import { Species } from "#enums/species";
+import { Stat } from "#enums/stat";
+import GameManager from "#test/utils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+
+describe("Moves - Diamond Storm", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override
+      .moveset([Moves.DIAMOND_STORM])
+      .battleType("single")
+      .enemySpecies(Species.MAGIKARP)
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(Moves.SPLASH);
+  });
+
+  it("should only increase defense once even if hitting 2 pokemon", async () => {
+    game.override.battleType("double");
+    const diamondStorm = allMoves[Moves.DIAMOND_STORM];
+    vi.spyOn(diamondStorm, "chance", "get").mockReturnValue(100);
+    vi.spyOn(diamondStorm, "accuracy", "get").mockReturnValue(100);
+    await game.classicMode.startBattle([Species.FEEBAS]);
+
+    game.move.select(Moves.DIAMOND_STORM);
+    await game.phaseInterceptor.to("BerryPhase");
+
+    expect(game.scene.getPlayerPokemon()!.getStatStage(Stat.DEF)).toBe(2);
+  });
+});