Merge 92c42694cd into 3b36ab17e4

src/constants.ts

@@ -94,3 +94,10 @@ export const AVERAGE_ENCOUNTERS_PER_RUN_TARGET = 12;
  * So anti-variance adds -15/256 to the spawn weight check for ME spawn.
  */
 export const ANTI_VARIANCE_WEIGHT_MODIFIER = 15;
+
+/**
+ * The chance (out of 1) that a different title logo will show when the title screen is drawn.
+ * Inverted during April Fools (such that this becomes the chance for the _normal_ title logo is displayed).
+ * Default: `10000` (0.01%)
+ */
+export const FAKE_TITLE_LOGO_CHANCE = 10000;

src/loading-scene.ts

@@ -29,6 +29,7 @@ export class LoadingScene extends SceneBase {
 
     this.loadImage("loading_bg", "arenas");
     this.loadImage("logo", "");
+    this.loadImage("logo_fake", "");
 
     // Load menu images
     this.loadAtlas("bg", "ui");

src/timed-event-manager.ts

@@ -397,6 +397,16 @@ export class TimedEventManager {
     return timedEvents.some((te: TimedEvent) => this.isActive(te));
   }
 
+  /**
+   * Check whether the current event is active and for April Fools.
+   * @returns Whether the April Fools event is currently active.
+   */
+  isAprilFoolsActive(): boolean {
+    return timedEvents.some(
+      te => this.isActive(te) && te.hasOwnProperty("bannerKey") && te.bannerKey!.startsWith("aprf"),
+    );
+  }
+
   activeEventHasBanner(): boolean {
     const activeEvents = timedEvents.filter(te => this.isActive(te) && te.hasOwnProperty("bannerKey"));
     return activeEvents.length > 0;

src/ui/title-ui-handler.ts

@@ -1,4 +1,5 @@
 import { pokerogueApi } from "#api/pokerogue-api";
+import { FAKE_TITLE_LOGO_CHANCE } from "#app/constants";
 import { timedEventManager } from "#app/global-event-manager";
 import { globalScene } from "#app/global-scene";
 import { TimedEventDisplay } from "#app/timed-event-manager";
@@ -41,7 +42,7 @@ export class TitleUiHandler extends OptionSelectUiHandler {
     this.titleContainer.setAlpha(0);
     ui.add(this.titleContainer);
 
-    const logo = globalScene.add.image(globalScene.game.canvas.width / 6 / 2, 8, "logo");
+    const logo = globalScene.add.image(globalScene.scaledCanvas.width / 2, 8, this.getLogo());
     logo.setOrigin(0.5, 0);
     this.titleContainer.add(logo);
 
@@ -186,4 +187,14 @@ export class TitleUiHandler extends OptionSelectUiHandler {
       ease: "Sine.easeInOut",
     });
   }
+
+  /**
+   * Get the logo file path to load, with a 0.1% chance to use the fake logo instead.
+   * @returns The path to the image.
+   */
+  private getLogo(): string {
+    // Invert spawn chances on april fools
+    const aprilFools = timedEventManager.isAprilFoolsActive();
+    return aprilFools === !!randInt(FAKE_TITLE_LOGO_CHANCE) ? "logo_fake" : "logo";
+  }
 }

src/utils/common.ts

@@ -70,12 +70,16 @@ export function padInt(value: number, length: number, padWith?: string): string
 }
 
 /**
- * Returns a random integer between min and min + range
- * @param range The amount of possible numbers
- * @param min The starting number
+ * Returns a **completely unseeded** random integer between `min` and `min + range`.
+ * @param range - The amount of possible numbers to pick
+ * @param min - The minimum number to pick; default `0`
+ * @returns A psuedo-random, unseeded integer within the interval [min, min+range].
+ * @remarks
+ * This should not be used for battles or other outwards-facing randomness;
+ * battles are intended to be seeded and deterministic.
  */
 export function randInt(range: number, min = 0): number {
-  if (range === 1) {
+  if (range <= 1) {
     return min;
   }
   return Math.floor(Math.random() * range) + min;