Moved every platform specific code to their own folder

overlay_experimental/windows/OpenGL_Hook.h

@@ -0,0 +1,42 @@
+#ifndef __INCLUDED_OPENGL_HOOK_H__
+#define __INCLUDED_OPENGL_HOOK_H__
+
+#include "Base_Hook.h"
+#ifndef NO_OVERLAY
+
+class OpenGL_Hook : public Base_Hook
+{
+public:
+    static constexpr const char *DLL_NAME = "opengl32.dll";
+    
+    using wglSwapBuffers_t = BOOL(WINAPI*)(HDC);
+
+private:
+    static OpenGL_Hook* _inst;
+
+    // Variables
+    bool hooked;
+    bool initialized;
+
+    // Functions
+    OpenGL_Hook();
+
+    void resetRenderState();
+    void prepareForOverlay(HDC hDC);
+
+    // Hook to render functions
+    static BOOL WINAPI MywglSwapBuffers(HDC hDC);
+
+    wglSwapBuffers_t wglSwapBuffers;
+
+public:
+    virtual ~OpenGL_Hook();
+
+    bool start_hook();
+    static OpenGL_Hook* Inst();
+    virtual const char* get_lib_name() const;
+    void loadFunctions(wglSwapBuffers_t pfnwglSwapBuffers);
+};
+
+#endif//NO_OVERLAY
+#endif//__INCLUDED_OPENGL_HOOK_H__