[client] screen gamepad as default on mobile devices

src/client/haxe/ru/m/Device.hx

@@ -0,0 +1,20 @@
+package ru.m;
+
+class Device {
+
+    private static var MOBILES(default, never):Array<String> = [
+        "Android", "webOS", "iPhone", "iPad", "iPod", "BlackBerry", "Windows Phone",
+    ];
+
+    public static function isMobile():Bool {
+        #if js
+        var userAgent = js.Browser.navigator.userAgent;
+        for (mobile in MOBILES) {
+            if (userAgent.indexOf(mobile) > -1) {
+                return true;
+            }
+        }
+        #end
+        return false;
+    }
+}

src/client/haxe/ru/m/tankz/storage/SettingsStorage.hx

@@ -26,7 +26,8 @@ class SettingsStorage extends SharedObjectStorage {
     }
 
     public static function getDefaultBinding(index:Int):Binding {
-        return ObjectUtil.clone(defaults.exists(index) ? defaults.get(index) : defaults.get(-1));
+        var binding = (Device.isMobile() ? mobileDefaults : defaults).get(index);
+        return binding != null ? ObjectUtil.clone(binding) : buildEmpty();
     }
 
     public static function buildDeviceBinding(device:DeviceType):Binding {
@@ -39,14 +40,21 @@ class SettingsStorage extends SharedObjectStorage {
         ];
     }
 
-    private static var defaults:Map<Int, Binding> = [
-        -1 => [
+    public static function buildEmpty():Binding {
+        return [
             MOVE(Direction.TOP) => null,
             MOVE(Direction.LEFT) => null,
             MOVE(Direction.BOTTOM) => null,
             MOVE(Direction.RIGHT) => null,
             SHOT => null,
-        ],
+        ];
+    }
+
+    private static var mobileDefaults:Map<Int, Binding> = [
+        0 => buildDeviceBinding(SCREEN),
+    ];
+
+    private static var defaults:Map<Int, Binding> = [
         0 => [
             MOVE(Direction.TOP) => {device: KEYBOARD, action: KEY(Keyboard.W)},
             MOVE(Direction.LEFT) => {device: KEYBOARD, action: KEY(Keyboard.A)},