#pragma once

#include <winexcep.h>

/******************************************************************************
The abstraction for a windowed drawing application.
******************************************************************************/

class KEngine : public KWindow, public KDirectDrawOverlay
{

#ifdef KDEBUG
	KException::KWinException e_win;
#endif

	HINSTANCE m_hInst;
	bool m_focus_past, m_focus_present;

	void OnKeyDown(WPARAM wParam, LPARAM lParam);

	LRESULT WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
	
	void HookReportHandler(UINT msg, WPARAM wParam, LPARAM lParam);

	void GetWndClassEx(WNDCLASSEX & wc);

	void SetWinRect( void );

	void Render(void);

	bool TimeToDie(void);	

public:
	
	KEngine();

	KEngine(HINSTANCE hInst, HWND target_window, DWORD pid);

	~KEngine();

	WPARAM MessageLoop(void);

	HWND GetEngineWindowHandle(void);

	RECT m_win_rect;
	HWND m_target_window;
	DWORD m_target_pid;

	void InitScene(void);

	//struct Squares
	//{
	//	float x;
	//	float y;
	//	DWORD c;
	//	int plane;
	//	int size;
	//};

	//enum
	//{
	//	NUM_OF_SQUARES = 100
	//};

	//Squares * sq;

	RECT m_dest_rect, m_src_rect;
};