feat: Enhance weapon switching logic and add tests for animation pacing and menu behavior

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

packages/wolf_3d_dart/test/rendering/map_overlay_renderer_test.dart

@@ -49,6 +49,27 @@ void main() {
       expect(mapPixels.contains(ColorPalette.vga32Bit[2]), isTrue);
       expect(mapPixels[hudProbeIndex], equals(normalPixels[hudProbeIndex]));
     });
+
+    test('software renderer does not apply bonus flash while menu is open', () {
+      final input = _MutableInput();
+      final engine = _buildEngine(input: input);
+      engine.init();
+      input.isBack = true;
+      engine.tick(const Duration(milliseconds: 16));
+      input.isBack = false;
+
+      expect(engine.isMenuOpen, isTrue);
+
+      final renderer = SoftwareRenderer();
+
+      engine.player.bonusFlash = 0.0;
+      final List<int> menuBaseline = List<int>.from(renderer.render(engine).pixels);
+
+      engine.player.bonusFlash = 1.0;
+      final List<int> menuWithFlash = List<int>.from(renderer.render(engine).pixels);
+
+      expect(menuWithFlash, equals(menuBaseline));
+    });
   });
 }
 
@@ -69,7 +90,12 @@ class _StaticInput extends Wolf3dInput {
   }
 }
 
-WolfEngine _buildEngine() {
+class _MutableInput extends Wolf3dInput {
+  @override
+  void update() {}
+}
+
+WolfEngine _buildEngine({Wolf3dInput? input}) {
   final wallGrid = _buildGrid();
   final objectGrid = _buildGrid();
 
@@ -115,7 +141,7 @@ WolfEngine _buildEngine() {
     difficulty: Difficulty.medium,
     startingEpisode: 0,
     frameBuffer: FrameBuffer(96, 96),
-    input: _StaticInput(),
+    input: input ?? _StaticInput(),
     onGameWon: () {},
   );
 }