// INCLUDES /////////////////////////////////////////////// #include #include #include #include #include #include // DEFINES //////////////////////////////////////////////// #define MAX_X 77 // maximum x position for player #define SCROLL_POS 24 // the point that scrolling occurs // PROTOTYPES ///////////////////////////////////////////// void Init_Graphics(void); inline void Set_Color(int fcolor, int bcolor); inline void Draw_String(int x, int y, char *string); // GLOBALS //////////////////////////////////////////////// CONSOLE_SCREEN_BUFFER_INFO con_info; // holds screen info HANDLE hconsole; // handle to console int game_running = 1; // state of game, 0=done, 1=run // FUNCTIONS ////////////////////////////////////////////// void Init_Graphics(void) { // this function initializes the console graphics engine COORD console_size = { 80,25 }; // size of console // seed the random number generator with time srand((unsigned)time(NULL)); // open i/o channel to console screen hconsole = CreateFile(L"CONOUT$", GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, 0L, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0L); // make sure we are in 80x25 SetConsoleScreenBufferSize(hconsole, console_size); // get details for console screen GetConsoleScreenBufferInfo(hconsole, &con_info); } // end Init_Graphics /////////////////////////////////////////////////////////// inline void Set_Color(int fcolor, int bcolor = 0) { // this function sets the color of the console output SetConsoleTextAttribute(hconsole, (WORD)((bcolor << 4) | fcolor)); } // Set_Color /////////////////////////////////////////////////////////// inline void Draw_String(int x, int y, char *string) { // this function draws a string at the given x,y COORD cursor_pos; // used to pass coords // set printing position cursor_pos.X = x; cursor_pos.Y = y; SetConsoleCursorPosition(hconsole, cursor_pos); // print the string in current color printf("%s", string); } // end Draw_String /////////////////////////////////////////////////////////// inline void Clear_Screen(void) { // this function clears the screen // set color to white on black Set_Color(15, 0); // clear the screen for (int index = 0; index <= 25; index++) Draw_String(0, SCROLL_POS, "\n"); } // end Clear_Screen // MAIN GAME LOOP ///////////////////////////////////////// void main(void) { char key; // player input data int player_x = 40; // player's x position // SECTION: initialization // set up the console text graphics system Init_Graphics(); // clear the screen Clear_Screen(); // SECTION: main event loop, this is where all the action // takes place, the general loop is erase-move-draw while (game_running) { // SECTION: erase all the objects or clear screen // nothing to erase in our case // SECTION: get player input if (kbhit()) { // get keyboard data, and filter it key = toupper(_getch()); // is player trying to exit, if so exit if (key == 'Q' || key == 27) game_running = 0; // is player moving left if (key == 'A') player_x--; // is player moving right if (key == 'S') player_x++; } // end if // SECTION: game logic and further processing // make sure player stays on screen if (++player_x > MAX_X) player_x = MAX_X; if (--player_x < 0) player_x = 0; // SECTION: draw everything // draw next star at random position Set_Color(15, 0); Draw_String(rand() % 80, SCROLL_POS, ".\n"); // draw player Set_Color(rand() % 15, 0); Draw_String(player_x, 0, "<-*->"); Draw_String(0, 0, ""); // SECTION: synchronize to a constant frame rate Sleep(40); } // end while // SECTION: shutdown and bail Clear_Screen(); printf("\nG A M E O V E R \n\n"); } // end main

c++ crash