Improved weapon switching

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/input/input_manager.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/services.dart';
+import 'package:wolf_dart/features/weapon/weapon.dart';
 
 class InputManager {
   Set<LogicalKeyboardKey> _previousKeys = {};
@@ -14,7 +15,7 @@ class InputManager {
   // Continuous
   bool isFiring = false;
 
-  int? requestedWeaponIndex;
+  WeaponType? requestedWeapon;
 
   void update() {
     final pressedKeys = HardwareKeyboard.instance.logicalKeysPressed;
@@ -39,17 +40,19 @@ class InputManager {
         !pressedKeys.contains(LogicalKeyboardKey.space);
 
     // * Manual Weapon Switching
-    requestedWeaponIndex = null;
+    requestedWeapon = null;
 
     // Iterate through newly pressed keys and switch on them
     for (final LogicalKeyboardKey key in newlyPressedKeys) {
       switch (key) {
         case LogicalKeyboardKey.digit1:
-          requestedWeaponIndex = 0; // Knife
+          requestedWeapon = WeaponType.knife;
         case LogicalKeyboardKey.digit2:
-          requestedWeaponIndex = 1; // Pistol
+          requestedWeapon = WeaponType.pistol;
         case LogicalKeyboardKey.digit3:
-          requestedWeaponIndex = 2; // Machine Gun
+          requestedWeapon = WeaponType.machineGun;
+        case LogicalKeyboardKey.digit4:
+          requestedWeapon = WeaponType.chainGun;
       }
     }