c++项目实战

// Game.cpp: implementation of the CGame class. // ////////////////////////////////////////////////////////////////////// #include <stdio.h> #include "Game.h" #include "resource.h" #define SCREEN_W 640 #define SCREEN_H 480 #define OFFSETX 100 #define OFFSETY 48 #define PLAYER1_STARTX 130 #define PLAYER1_STARTY 386 #define PLAYER2_STARTX 258 #define PLAYER2_STARTY 386 #define SAFE_RELEASE(x) if(x){ x->Release(); x = NULL; } CGame* g_pGame; inline int random( int min, int max ) { return (min + rand() % (max - min + 1)); } void TRACE( LPCTSTR format, ... ) { char buf[128]; va_list vl; va_start(vl, format); sprintf(buf, format, vl); OutputDebugString( buf ); va_end(vl); } void CGame::OutputText( int x, int y, LPCTSTR string ) { HDC hdc; if( m_pddsBackBuffer && m_pddsBackBuffer->GetDC(&hdc) == DD_OK ) { SetBkMode( hdc, TRANSPARENT ); SetTextColor( hdc, RGB(255,255,0) ); TextOut( hdc, x, y, string, lstrlen(string) ); m_pddsBackBuffer->ReleaseDC( hdc ); } } ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CGame::CGame() { m_hInst = NULL; m_hWnd = NULL; m_bActive = FALSE; m_bShowStats = FALSE; m_bFullScreen = TRUE; m_bSingle = TRUE; m_pDD = NULL; m_pddsFrontBuffer = NULL; m_pddsBackBuffer = NULL; g_pGame = this; } CGame::~CGame() { } LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) { if( g_pGame ) return g_pGame->MsgProc( hWnd, uMsg, wParam, lParam ); return DefWindowProc( hWnd, uMsg, wParam, lParam ); } LRESULT CGame::MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) { switch( uMsg ) { case WM_ACTIVATEAPP: if( m_bActive = (BOOL)wParam ) m_DirectInput.Acquire(); return 0; case WM_SETCURSOR: if( m_bFullScreen ) { SetCursor( NULL ); return TRUE; } break; case WM_CLOSE: PostQuitMessage(0); return 0; case WM_MOVE: m_bActive = TRUE; GetClientRect( hWnd, &m_rcWindow ); ClientToScreen( hWnd, (LPPOINT)&m_rcWindow ); ClientToScreen( hWnd, (LPPOINT)&m_rcWindow + 1 ); return 0; case WM_MOVING: m_bActive = FALSE; break; case WM_KEYDOWN: switch( wParam ) { case VK_ESCAPE: if( m_gameState == GS_ACTIVE ) m_gameState = GS_SPLASH; else if( m_gameState == GS_SPLASH ) PostQuitMessage(0); else if( m_gameState == GS_OVER ) m_gameState = GS_SPLASH; break; case VK_F4: DDTerm(); m_bFullScreen = !m_bFullScreen; DDInit(); return 0; case VK_F5: m_bShowStats = !m_bShowStats; return 0; case VK_DOWN: case VK_UP: if( m_gameState == GS_SPLASH ) { m_bSingle = !m_bSingle; return 0; } break; case VK_PRIOR: if( m_gameState == GS_ACTIVE && m_nLevel > 1 ) { m_nLevel --; InitLevel(); } break; case VK_NEXT: if( m_gameState == GS_ACTIVE ) { m_nLevel ++; InitLevel(); } break; case VK_RETURN: if( m_gameState == GS_SPLASH ) { ResetGame(); return 0; } else if( m_gameState == GS_ACTIVE && !m_bSingle ) { if( m_player[0].m_nLife > 1 && m_player[1].m_nLife <= 0 ) { m_player[0].m_nLife --; m_player[1].m_nLife = 1; ResetPlayer( m_player[1] ); } else if( m_player[1].m_nLife > 1 && m_player[0].m_nLife <= 0 ) { m_player[1].m_nLife --; m_player[0].m_nLife = 1; ResetPlayer( m_player[0] ); } } break; } break; } return DefWindowProc( hWnd, uMsg, wParam, lParam ); } BOOL CGame::Initialize( HINSTANCE hInst ) { m_hInst = hInst; if( !InitApplication() || !DDInit() || !InitGame() ) { DDTerm(); return FALSE; } return TRUE; } BOOL CGame::InitApplication() { char szClassName[] = "BATTLECITY"; char szTitle[] = "Battle City"; WNDCLASS wc; wc.hInstance = m_hInst; wc.lpszClassName = szClassName; wc.lpfnWndProc = WndProc; wc.style = CS_DBLCLKS; wc.hIcon = LoadIcon( m_hInst, MAKEINTRESOURCE(IDI_TANK) ); wc.hCursor = LoadCursor( NULL, IDC_ARROW ); wc.lpszMenuName = NULL; wc.cbClsExtra = 0; wc.cbWndExtra = 0; wc.hbrBackground = (HBRUSH)GetStockObject( BLACK_BRUSH ); if( !RegisterClass( &wc ) ) { TRACE( "Error In RegisterClassEx\n" ); return FALSE; } m_hWnd = CreateWindow( szClassName, szTitle, WS_OVERLAPPED | WS_MINIMIZEBOX | WS_SYSMENU, CW_USEDEFAULT, CW_USEDEFAULT, 646, 505, NULL, NULL, m_hInst, NULL ); if( !m_hWnd ) { TRACE( "Error In CreateWindow\n" ); return FALSE; } UpdateWindow( m_hWnd ); ShowWindow( m_hWnd, SW_NORMAL ); return TRUE; } int CGame::Run() { MSG msg; while( TRUE ) { if (PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE)) { if (!GetMessage( &msg, NULL, 0, 0)) break; TranslateMessage(&msg); DispatchMessage(&msg); } else if( m_bActive ) { UpdateFrame(); } else WaitMessage(); } DDTerm(); return msg.wParam; } BOOL CGame::DDInit() { HRESULT hr; hr = DirectDrawCreate( NULL, &m_pDD, NULL ); if( FAILED(hr) ) { TRACE( "Error Create DirectDraw\n" ); return FALSE; } if( m_bFullScreen ) m_pDD->SetCooperativeLevel( m_hWnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN ); else m_pDD->SetCooperativeLevel( m_hWnd, DDSCL_NORMAL ); if( m_bFullScreen ) { if( FAILED(m_pDD->SetDisplayMode( 640, 480, 16 )) ) { TRACE( "Error SetDiaplayMode\n" ); return FALSE; } } DDSURFACEDESC ddsd; ZeroMemory( &ddsd, sizeof(ddsd) ); ddsd.dwSize = sizeof(ddsd); ddsd.dwFlags = DDSD_CAPS; ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; if( m_bFullScreen ) { ddsd.dwFlags |= DDSD_BACKBUFFERCOUNT; ddsd.ddsCaps.dwCaps |= DDSCAPS_FLIP | DDSCAPS_COMPLEX; ddsd.dwBackBufferCount = 1; } hr = m_pDD->CreateSurface( &ddsd, &m_pddsFrontBuffer, NULL ); if( FAILED(hr) ) { TRACE( "Error Create Front Buffer\n" ); return FALSE; } if( m_bFullScreen ) { DDSCAPS ddscaps; ZeroMemory( &ddscaps, sizeof(ddscaps) ); ddscaps.dwCaps = DDSCAPS_BACKBUFFER; m_pddsFrontBuffer->GetAttachedSurface( &ddscaps, &m_pddsBackBuffer ); } else m_pddsBackBuffer = DDCreateSurface( SCREEN_W, SCREEN_H ); if( !LoadBitmaps() ) return FALSE; m_plane.BitBlt( m_pBmpList[0] ); m_player[0].BitBlt( m_pBmpList[1], m_pBmpList[2], m_pBmpList[14], m_pBmpList[7] ); m_player[1].BitBlt( m_pBmpList[9], m_pBmpList[2], m_pBmpList[14], m_pBmpList[7] ); for( int i = 0; i < NUM_ENEMYS; i ++ ) m_enemy[i].BitBlt( m_pBmpList[5], m_pBmpList[2], m_pBmpList[14], m_pBmpList[7] ); for( i = 0; i < NUM_EXPLODES; i ++ ) m_explode[i].BitBlt( m_pBmpList[3], m_pBmpList[4] ); m_bonus.BitBlt( m_pBmpList[6] ); m_dwFillColor = DDColorMatch( m_pddsBackBuffer, RGB(128,128,128) ); if( !m_bFullScreen ) { SetWindowPos( m_hWnd, 0, 0, 0, 646, 505, SWP_NOMOVE | SWP_NOZORDER ); m_rcWindow.right = m_rcWindow.left + 640; m_rcWindow.bottom = m_rcWindow.top + 480; } return TRUE; } //----------------------------------------------------------------------------- // Name: DDLoadBitmap() // Desc: Create a DirectDrawSurface from a bitmap resource. //----------------------------------------------------------------------------- LPDIRECTDRAWSURFACE CGame::DDLoadBitmap( LPCSTR szBitmap, int dx, int dy) { HBITMAP hbm; BITMAP bm; DDSURFACEDESC ddsd; LPDIRECTDRAWSURFACE pdds; // // Try to load the bitmap as a resource, if that fails, try it as a file // hbm = (HBITMAP)