zflog.cpp

选自《3D游戏编程》第5章 实战例题：3D编程技术的实战例题

#include "ZFLog.h"
#include <time.h>


ZFLog::ZFLog( UINT32 nTarget, LPSTR szFilename )
{
	m_nTarget = nTarget;

	if( nTarget & ZF_LOG_TARGET_FILE )
		strcpy( m_szFilename, szFilename );
	else
		m_szFilename[0] = NULL;

	if( nTarget & ZF_LOG_TARGET_WINDOW )
		CreateLogWindow();
	else
		m_hwnd = NULL;

	Log( "F-Killer Logging Started..." );
}

ZFLog::~ZFLog()
{
	DestroyWindow( m_hwnd );
}

void ZFLog::CreateLogWindow()
{
	int			x, y, cx, cy;
	WNDCLASS	wc;
	RECT		rc;

	wc.style			= CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
	wc.lpfnWndProc		= (WNDPROC)ZFLog::WndProcZFLog;
	wc.cbClsExtra		= 0;									// No Extra Window Data
	wc.cbWndExtra		= 0;									// No Extra Window Data
	wc.hInstance		= GetModuleHandle( NULL );
	wc.hIcon			= LoadIcon(NULL, IDI_WINLOGO);			// Load The Default Icon
	wc.hCursor			= LoadCursor(NULL, IDC_ARROW);			// Load The Arrow Pointer
	wc.hbrBackground	= (HBRUSH)GetStockObject( WHITE_BRUSH) ;
	wc.lpszMenuName		= NULL;
	wc.lpszClassName	= "ZLogWindow";

	RegisterClass(&wc);

	cx = ZF_LOG_WINDOW_CX;
	cy = ZF_LOG_WINDOW_CY;
	x = GetSystemMetrics( SM_CXSCREEN ) - cx;
	y = 0;

	m_hwnd = CreateWindow( "ZLogWindow", ZF_LOG_WINDOW_TITLE, WS_POPUP | WS_CAPTION, x, y, cx, cy, NULL, NULL, GetModuleHandle( NULL ), NULL );
	GetClientRect( m_hwnd, &rc );
	m_hwndList = CreateWindow( "LISTBOX", "", WS_CHILD | WS_VSCROLL, 0, 0, rc.right, rc.bottom, m_hwnd, NULL, GetModuleHandle( NULL ), NULL );
	ShowWindow( m_hwnd, SW_SHOW );
	ShowWindow( m_hwndList, SW_SHOW );
}

int ZFLog::Log( LPSTR fmt, ... )
{
	char	buff[1024];
	char	date[128];
	char	time[128];

	_strdate( date );
	_strtime( time );
	vsprintf( buff, fmt, (char *)(&fmt+1) );

	// 在Console输出的情况 
	if( m_nTarget & ZF_LOG_TARGET_CONSOLE )
	{
		printf( "(date[%s] time[%s]) : %s\n", date, time, buff );
	}

	// 在Log File输出的情况
	if( m_nTarget & ZF_LOG_TARGET_FILE )
	{
		FILE*	fp = NULL;
		fp = fopen( m_szFilename, "a+" );
		if( fp )
		{
			fprintf( fp, "(date[%s] time[%s]) : %s\n", date, time, buff );
			fclose( fp );
		}
	}

	// 在Log Window输出的情况 
	if( m_nTarget & ZF_LOG_TARGET_WINDOW )
	{
		SendMessage( m_hwndList, LB_ADDSTRING, 0, (LPARAM) buff );
		UINT32 n = SendMessage( m_hwndList, LB_GETCOUNT, 0, 0L ) - 1;
		SendMessage( m_hwndList, LB_SETCURSEL, (WPARAM)n, 0L );
	}
	return 1;
}

LRESULT CALLBACK 
ZFLog::WndProcZFLog( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
	return DefWindowProc( hwnd, uMsg, wParam, lParam );
}