【VC开源代码栏目提醒】:网学会员,鉴于大家对VC开源代码十分关注，论文会员在此为大家搜集整理了“BONUSSTATUS.CPP”一文，供大家参考学习!

    /*****************************************************************************
    *                                                                             
    *   BonusStatus.cpp
    *                                                                             
    *   Electrical Engineering Faculty - Software Lab                             
    *   Spring semester 1998                                                      
    *                                                                             
    *   Tanks game                                                                
    *                                                                             
    *   Module description: Implements the bonus status object displayed on the 
    *                       main dialog.
    *                       
    *                                                                             
    *   Authors: Eran Yariv - 28484475                                           
    *            Moshe Zur  - 24070856                                           
    *                                                                            
    *                                                                            
    *   Date: 23/09/98                                                           
    *                                                                            
    ******************************************************************************/
    #include "stdafx.h"
    #include "Tanks.h"
    #include "BonusStatus.h"
    
    #ifdef _DEBUG
    #define new DEBUG_NEW
    #undef THIS_FILE
    static char THIS_FILE[] = __FILE__;
    #endif
    
    BEGIN_MESSAGE_MAP(CBonusStatus, CButton)
        //{{AFX_MSG_MAP(CBonusStatus)
        ON_WM_QUERYNEWPALETTE()
        ON_WM_PALETTECHANGED()
        //}}AFX_MSG_MAP
    END_MESSAGE_MAP()
    
    CBonusStatus::CBonusStatus():
             m_bFastFire (FALSE),
             m_bAerial (FALSE),
             m_bChangeDisplay (TRUE)
    {
        m_DIB.CreateEmpty (AMMO_STATUS_WIDTH, MAP_HEIGHT - AMMO_STATUS_HEIGHT);
        m_DIB.GetPaletteFromResourceBitmap (IDB_BULLET);
    }
    
    void CBonusStatus::Create ()
    {
        m_DIBBomb.ReadFromResource (IDB_BOMB_ICON);
        m_DIBFastFire.ReadFromResource (IDB_FASTFIRE);
        m_uFastFireXPos = (AMMO_STATUS_WIDTH / 2) - (m_DIBFastFire.Width() / 2);
        m_uFastFireYPos = MAP_HEIGHT - AMMO_STATUS_HEIGHT - m_DIBFastFire.Height();
        m_uBombXPos = (AMMO_STATUS_WIDTH / 2) - (m_DIBBomb.Width() / 2);
        m_uBombYPos = m_uFastFireYPos - 10 - m_DIBBomb.Height();
    }
    
    
    void CBonusStatus::SetAerialSupport (BOOL bOn)
    {
        m_bAerial = bOn;
        m_bChangeDisplay = TRUE;
        InvalidateRect (NULL, FALSE);
    }
    
    void CBonusStatus::SetFastFireRate (BOOL bOn)
    {
        m_bFastFire = bOn;
        m_bChangeDisplay = TRUE;
        InvalidateRect (NULL, FALSE);
    }
    
    CDIB *CBonusStatus::GetImage ()
    {
        if (m_bChangeDisplay)
        {   // Something has changed - recreate image
            m_DIB.FillSolidColor (0,0,0);
            if (m_bFastFire)
                m_DIB.CopyRectFrom (&m_DIBFastFire, 
                                    0, 
                                    0, 
                                    m_DIBFastFire.Width(), 
                                    m_DIBFastFire.Height(), 
                                    m_uFastFireXPos, 
                                    m_uFastFireYPos);
            if (m_bAerial)
                m_DIB.CopyRectFrom (&m_DIBBomb, 
                                    0, 
                                    0, 
                                    m_DIBBomb.Width(), 
                                    m_DIBBomb.Height(), 
                                    m_uBombXPos, 
                                    m_uBombYPos);
            m_bChangeDisplay = FALSE;
        }
        return &m_DIB;
    }
    

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