backmusic.cpp

c++写的游戏

// backmusic.cpp : implementation file
//

#include "stdafx.h"
#include "man.h"
#include "backmusic.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// backmusic

IMPLEMENT_DYNCREATE(backmusic, CWinThread)

backmusic::backmusic()
{
	m_wDeviceID=0;
}

backmusic::~backmusic()
{
}

BOOL backmusic::InitInstance()
{
	// TODO:  perform and per-thread initialization here
	return TRUE;
}

int backmusic::ExitInstance()
{
	// TODO:  perform any per-thread cleanup here
	return CWinThread::ExitInstance();
}

BEGIN_MESSAGE_MAP(backmusic, CWinThread)
	//{{AFX_MSG_MAP(backmusic)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
	ON_THREAD_MESSAGE(WM_PLAYMMSOUND_PLAYFILE,PlaySoundFile)
	ON_THREAD_MESSAGE(WM_PLAYMMSOUND_CLOSEFILE,CloseSoundFile)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// backmusic message handlers
void backmusic::PlaySoundFile(WPARAM wParam,LPARAM lParam)
{
	mciOpenParms.lpstrElementName=TEXT("Music1.mid");
	mciSendCommand(0,MCI_OPEN,MCI_WAIT|MCI_OPEN_ELEMENT,
	(DWORD)(LPMCI_OPEN_PARMS)&mciOpenParms);		
	m_wDeviceID=mciOpenParms.wDeviceID;
	mciPlayParms.dwCallback=(DWORD)GetMainWnd();
	mciPlayParms.dwFrom=0;
	mciPlayParms.dwTo=0;
    mciSendCommand(m_wDeviceID,MCI_PLAY,MCI_NOTIFY,(DWORD)(LPMCI_OPEN_PARMS)&mciPlayParms);
}
void backmusic::CloseSoundFile(WPARAM wParam,LPARAM lParam)
{
	mciSendCommand(m_wDeviceID,MCI_CLOSE,1,NULL);
}