Add sounds

frontend/src/scripts/sound-handler.ts

@@ -0,0 +1,44 @@
+import hitSound from '../../static/hit.mp3';
+import shootSound from '../../static/shoot.mp3';
+import clickSound from '../../static/click.mp3';
+import ambientSound from '../../static/ambient.mp3';
+import { OptionsHandler } from './options-handler';
+
+export enum Sounds {
+  hit = 'hit',
+  shoot = 'shoot',
+  click = 'click',
+  ambient = 'ambient',
+}
+
+export abstract class SoundHandler {
+  private static sounds: { [key in Sounds]: HTMLAudioElement };
+
+  public static initialize() {
+    this.sounds = {
+      [Sounds.hit]: new Audio(hitSound),
+      [Sounds.shoot]: new Audio(shootSound),
+      [Sounds.click]: new Audio(clickSound),
+      [Sounds.ambient]: new Audio(ambientSound),
+    };
+    this.sounds.ambient.volume = 0.5;
+  }
+
+  public static play(sound: Sounds) {
+    if (OptionsHandler.options.soundsEnabled) {
+      if (this.sounds[sound].currentTime > 0) {
+        (this.sounds[sound].cloneNode() as HTMLAudioElement).play();
+      } else {
+        this.sounds[sound].play();
+      }
+    }
+  }
+
+  public static playAmbient() {
+    this.sounds.ambient.play();
+  }
+
+  public static stopAmbient() {
+    this.sounds.ambient.pause();
+  }
+}