cbperbar.cpp

这是一个游戏程序源码

/////////////
//	CBPerbar.cpp	:	v0010
//	Written by		:	Li Haijun
//	Compiler		:	Microsoft Visual C++ 4.0 & DirectX
//	Library			:	No .Lib
//	Copyright (C)	:	1997 WayAhead Corporation 
//	v0010			:	Mar.21.1997
/////////////
// to declear the class to show and update the percent process bar
//		eg. building process, general blood...
///////////////////////////////////////////////////////////////////////////

#include	"stdafx.h"

#include	"DDApi.h"
#include	"DDCompo.h"

#include	"marco.h"
#include	"CBPerbar.h"
#include	"interfac.h"

////////////////////////////
#include "l_allbmp.h"
extern char	bmpfilename[30];
extern char	listfilename[30];
/////////////////////////////////////

extern	class	CPercentBar FACE_Process;	// to show the process of a product to be producted

// to init the instance of this class
CPercentBar::CPercentBar()
{
	m_nFileNameId = NONE;

	m_dwX = 0;
	m_dwY = 0;

	m_nFrameWidth = 0;

	m_rBar.left = 0;
	m_rBar.top = 0;
	m_rBar.right = 0;
	m_rBar.bottom = 0;
	
	m_nCurrentPercent = 0;
	m_nColor = 184;
}
// to release the resource that that the instance occupy
CPercentBar::~CPercentBar()
{
	Release();
}
// to preload the bitmap background of this percent bar
BOOL CPercentBar::PreLoad(int FilenameId, int x, int y, int FrameWidth, int Color/*=184*/ )
{
	char	fname[20];

	HRESULT			ddrval;
	DDSURFACEDESC	ddsd;

//////////////////////////////////////////////////
	_itoa( FilenameId, fname, 10 );

	class CPicture_imageall picture;

	picture.image_open_compress(bmpfilename);
	picture.image_open_index(listfilename);
	picture.LoadBitmap( &m_BitmapSurface, FilenameId );
	picture.image_close_index();
	picture.image_close_compress();

/////////////////////////////////////////////////////////
	m_nFileNameId = FilenameId;	//set the member veriable m_FileName
    //
    // get size of surface.
    //
    ddsd.dwSize = sizeof(ddsd);
    ddsd.dwFlags = DDSD_HEIGHT | DDSD_WIDTH;

    ddrval = m_BitmapSurface.GetSurface()->GetSurfaceDesc(&ddsd);
	if(ddrval != DD_OK)
		return FALSE;
	m_dwX = x;
	m_dwY = y;

	m_nFrameWidth = FrameWidth;

	m_rBar.left = 0;
	m_rBar.top = 0;
	m_rBar.right = ddsd.dwWidth;
	m_rBar.bottom = ddsd.dwHeight;

	BOOL iResult;
	// to create a surface for you to blit the process 
	iResult = m_ProcessBarSurface.Create( 
					(ddsd.dwWidth - 2*FrameWidth),
					(ddsd.dwHeight - 2*FrameWidth) );
	if( iResult == FALSE )
		return FALSE;
	// to set the process bar color and default is 184
	m_nColor = Color;

	m_ProcessBarSurface.Erase( m_nColor );
	return TRUE;
}
// to release this button's pointer
void CPercentBar::Release()
{
	// release the surface that this button's bitmap used
	m_BitmapSurface.Release();
	// to release the surface that the process bar used
	m_ProcessBarSurface.Release();
}
// to set the new position of this percent bar
void CPercentBar::SetPosition(int x, int y)
{
	m_dwX = x ;
	m_dwY = y ;
}
// to blit this percent bar to the just area of back buffer
void CPercentBar::Blit(int NewPercent/* = -10*/)
{
	POINT	ptDest;

	ptDest.x = m_dwX;
	ptDest.y = m_dwY;

	if( NewPercent != -10 )
	{	
		if( NewPercent < 0 )
			m_nCurrentPercent = 0;
		else if( NewPercent >100 )
			m_nCurrentPercent = 100;
		else
			m_nCurrentPercent = NewPercent;
	}

	m_BitmapSurface.BltToBack( ptDest, &m_rBar );

	int	Length;	// the length of the blood bar
	POINT	ptBDest;
	RECT	FillRect;

	if( this != &FACE_Process )
	{
		if( m_nCurrentPercent < 33)
			m_ProcessBarSurface.Erase( 80 );
		else if( m_nCurrentPercent < 66 )
			m_ProcessBarSurface.Erase( 93 );
		else
			m_ProcessBarSurface.Erase( m_nColor );
	}
	else
		m_ProcessBarSurface.Erase( m_nColor );

	Length = ( m_nCurrentPercent * ( (m_rBar.right-m_rBar.left) - 2*m_nFrameWidth) ) / 100 ;
	ptBDest.x = ptDest.x + m_nFrameWidth;
	ptBDest.y = ptDest.y + m_nFrameWidth;
/*
	FillRect.left = m_dwX + m_nFrameWidth;
	FillRect.top  = m_dwY + m_nFrameWidth;
	FillRect.right = FillRect.left + Length;
	FillRect.bottom = FillRect.top + (m_rBar.bottom - 2*m_nFrameWidth) ;
*/
	FillRect.left = 0;
	FillRect.top  = 0;
	FillRect.right = Length;
	FillRect.bottom = m_rBar.bottom - 2*m_nFrameWidth ;

	m_ProcessBarSurface.BltToBack( ptBDest, &FillRect );
}
// to blit this percent bar to the just area of back buffer
void CPercentBar::Update(void)
{
	RECT	ShowRect;

	ShowRect.left = m_dwX,	ShowRect.top = m_dwY;
	ShowRect.right = m_dwX + m_rBar.right;
	ShowRect.bottom = m_dwY + m_rBar.bottom;
	DDC_UpdateScreen( &ShowRect );
}
// to update this percent bar with a new input percent
void CPercentBar::UpdateData( int NewPercent )
{
	Blit( NewPercent );

	/////////////////////////////////////////////////////////////
	// if current is displaying a menu, return with do nothing
	//	July.24.1997
	if( FACE_GetCommandState() == COMMAND_STATE_MENU )
		return ;

	Update();
}
//blit this percent bar to back buffer and then update it
void CPercentBar::Show(void)
{
	Blit();
	Update();
}