Added ship change sound

src/scripts/view/Preload.ts

@@ -10,7 +10,7 @@ module SpaceTac.View {
             this.preloadBar.position.set((1280 - this.preloadBar.width) / 2, (720 - this.preloadBar.height) / 2);
             this.load.setPreloadSprite(this.preloadBar);
 
-            // Load assets
+            // Load images
             this.loadImage("battle/waiting.png");
             this.loadImage("battle/shiplist-base.png");
             this.loadImage("battle/shiplist-normal.png");
@@ -32,6 +32,9 @@ module SpaceTac.View {
             this.loadImage("ship/scout/portrait.png");
             this.loadImage("common/standard-bar-background.png");
             this.loadImage("common/standard-bar-foreground.png");
+
+            // Load sounds
+            this.loadSound("battle/ship-change.wav");
         }
 
         create() {
@@ -41,5 +44,10 @@ module SpaceTac.View {
         private loadImage(path: string) {
             this.load.image(path.replace(/\//g, "-").replace(".png", "").replace(".jpg", ""), "assets/images/" + path);
         }
+
+        private loadSound(path: string) {
+            var key = path.replace(/\//g, "-").replace(".wav", "");
+            this.load.audio(key, "assets/sounds/" + path);
+        }
     }
 }

src/scripts/view/battle/Arena.ts

@@ -104,6 +104,8 @@ module SpaceTac.View {
                 arena_ship.setPlaying(true);
             }
             this.playing = arena_ship;
+
+            Sound.playOnce(this.game, "battle-ship-change");
         }
     }
 }

src/scripts/view/common/Sound.ts

@@ -0,0 +1,14 @@
+module SpaceTac.View {
+    "use strict";
+
+    // Utility functions for sounds
+    export class Sound {
+
+        // Play a ponctual sound
+        static playOnce(game: Phaser.Game, key: string): void {
+            if (game.sound.context) {
+                game.sound.play("battle-ship-change");
+            }
+        }
+    }
+}