www.pudn.com > bmbrsrc > BomberMenu.c

int     MenuChoice, MenuFrame, MenuPlayers = 2; 
 
//Initialize the menu 
void InitMenu () 
{ 
  int   i; 
 
  //Draw to front buffer 
  TargetData = MainBitmapData; 
 
  //Clear buffer 
  memset ((char *)TargetData, 0, 221952); 
 
  //Display title 
  Blit (35, 32, 0, 80, 203, 29); 
 
  //Display menu 
  for (i = 0; i < 4; i++) 
    Blit (112, 101 + i * 32, 0, 109 + i * 15, 64, 15); 
 
  //Choose top 
  MenuChoice = 0; 
  MenuFrame = 0; 
  FlushKeys (); 
} 
 
//Display the number of players 
void DrawNumber () 
{ 
  int   yt; 
 
  //Display menu 
  for (yt = 0; yt < 15; yt++) 
    memcpy ((char *)TargetData + 221952 - (101 + yt + 32) * 816 + 537, 
            (char *)BlocksBuf + (168 + yt) * 960 + (MenuPlayers - 1) * 24, 
            24); 
} 
 
//Do the menu stuff 
void MenuLoop () 
{ 
  int   Key; 
 
  //Clear old bomb 
  DrawBlock (5, (3 + MenuChoice) * 2, 10, 2); 
 
  //Read from keyboard 
  Key = getch (); 
 
  //Move cursor 
  if (Key == VK_UP) { 
    MenuChoice--; 
    if (MenuChoice == -1) MenuChoice = 3; 
  } 
  if (Key == VK_DOWN) { 
    MenuChoice++; 
    if (MenuChoice == 4) MenuChoice = 0; 
  } 
 
  //Update number of players 
  if (MenuChoice == 1) { 
    if (Key == VK_LEFT) { 
      MenuPlayers--; 
      if (MenuPlayers == 1) MenuPlayers = 4; 
    } 
    if (Key == VK_RIGHT) { 
      MenuPlayers++; 
      if (MenuPlayers == 5) MenuPlayers = 2; 
    } 
  } 
 
  //Display new bomb 
  MenuFrame ^= 1; 
  DrawBlock (5, (3 + MenuChoice) * 2, 10, MenuFrame); 
  DrawNumber (); 
 
  //Enter key 
  if (Key == VK_RETURN) { 
    switch (MenuChoice) { 
      //Start game 
      case 0: 
      case 1: 
        //Get number of players 
        Players = MenuPlayers; 
        ComputerPlays = 0; 
        if (MenuPlayers == 1) { 
          Players++; 
          ComputerPlays = -1; 
        } 
 
        //Start the game 
        ClearGame (); 
        State = IN_GAME; 
        NewGame (); 
        break; 
      //Setup 
      case 2: 
        State = IN_SETUP; 
        InitSetup (); 
        break; 
      //Quit 
      case 3: 
        Done = -1; 
        break; 
    } 
  } 
}