cinputdevice.h

来自「Visual C++ 游戏开发与设计实例 源代码(所有)」· C头文件 代码 · 共 68 行

// CMAIN LIB - APPLICATION AND DIRECT WRAPPER
//
// Written by Mauricio Teichmann Ritter
//
// Copyright (C) 2002, Brazil. All rights reserved.
// 
//

// cInputDevice.h: interface for the cInputDevice class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CINPUTDEVICE_H__00716BAA_8084_456C_91FB_03CCE67C3565__INCLUDED_)
#define AFX_CINPUTDEVICE_H__00716BAA_8084_456C_91FB_03CCE67C3565__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


#include "cApplication.h"

class cInputDevice  
{
private:
	static int m_iRefCount;
protected:
	static LPDIRECTINPUT8		m_lpDI; 

public:
	cInputDevice();
	virtual ~cInputDevice();

	BOOL Create()
	{
		HRESULT         hRet; 
		if(!m_lpDI)
		{
			hRet = DirectInput8Create(GetMainApp()->GetInstHandle(), DIRECTINPUT_VERSION, 
					IID_IDirectInput8, (void**)&m_lpDI, NULL); 
			if FAILED(hRet) 
			{ 
				// DirectInput not available
				return FALSE;
			}
		}

		m_iRefCount++;
		return TRUE;
	}

	void Destroy()
	{
		m_iRefCount--;
		if(m_iRefCount == 0)
		{
			if(m_lpDI != NULL){
				m_lpDI->Release();
				m_lpDI = NULL;
			}
		}
	}

};


#endif // !defined(AFX_CINPUTDEVICE_H__00716BAA_8084_456C_91FB_03CCE67C3565__INCLUDED_)