feat: major engine overhaul - scene demo with lighting, sphere, ground

- Scene Demo: cube + sphere + ground plane with proper lighting
- Audio: XAudio2 dynamic loading + WAV playback
- Physics: expanded collision system
- Renderer: improved pipeline with materials
- UI: extended widget system
- VisualScript: enhanced serializer + block interactions
- ASM: optimized math/memory/profiling routines
- Window: mouse input + scroll support

Engine/Window/window.c

@@ -58,23 +58,23 @@ static LRESULT CALLBACK window_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM l
             return 0;
 
         case WM_LBUTTONDOWN:
-            if (g_mouse_button_callback) g_mouse_button_callback(0);
+            if (g_mouse_button_callback) g_mouse_button_callback(0, 1);
             return 0;
         case WM_RBUTTONDOWN:
-            if (g_mouse_button_callback) g_mouse_button_callback(1);
+            if (g_mouse_button_callback) g_mouse_button_callback(1, 1);
             return 0;
         case WM_MBUTTONDOWN:
-            if (g_mouse_button_callback) g_mouse_button_callback(2);
+            if (g_mouse_button_callback) g_mouse_button_callback(2, 1);
             return 0;
 
         case WM_LBUTTONUP:
-            if (g_mouse_button_callback) g_mouse_button_callback(0);
+            if (g_mouse_button_callback) g_mouse_button_callback(0, 0);
             return 0;
         case WM_RBUTTONUP:
-            if (g_mouse_button_callback) g_mouse_button_callback(1);
+            if (g_mouse_button_callback) g_mouse_button_callback(1, 0);
             return 0;
         case WM_MBUTTONUP:
-            if (g_mouse_button_callback) g_mouse_button_callback(2);
+            if (g_mouse_button_callback) g_mouse_button_callback(2, 0);
             return 0;
 
         case WM_DESTROY:

Engine/Window/window.h

@@ -20,7 +20,7 @@ typedef struct Window {
 typedef void (*WindowKeyCallback)(int key);
 typedef void (*WindowResizeCallback)(int width, int height);
 typedef void (*WindowMouseMoveCallback)(int x, int y);
-typedef void (*WindowMouseButtonCallback)(int button);
+typedef void (*WindowMouseButtonCallback)(int button, int pressed);
 
 // 创建/销毁
 Window* window_create(const char* title, int width, int height, int fullscreen);