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  1. // dialog_newgame.cpp
  2.  
  3. #include "../common.h"
  4.  
  5.  
  6. // dialog template
  7. #define THIS_DIALOG DIALOG_NEWGAME
  8.  
  9.  
  10. // game type definitons
  11. #define GAMETYPE_ONLINE 1
  12. #define GAMETYPE_COMPUTER 2
  13. #define GAMETYPE_TWOPLAYERS 3
  14.  
  15.  
  16. // global variables used in this module only
  17. static int newgame_type = 0;
  18. static char ascii_hostname[256];
  19.  
  20.  
  21. // prototypes of local functions
  22. static void StartThread_ThisDialog (void *thread_parms);
  23. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam);
  24.  
  25.  
  26. void DialogBox_NewGame (void)
  27. {
  28.    // helper function to fire up the modeless dialog box
  29.  
  30.    // HACK to prevent the player to click and block the view angles while the slide-in is not finished
  31.    command_ignoretime = current_time + 2.0f; // allow 2 seconds
  32.  
  33.    is_dialogbox_displayed = true;
  34.    _beginthread (StartThread_ThisDialog, 0, NULL); // so fire up a new one
  35.  
  36.    the_scene.gui.want_spinwheel = true; // start spinning wheel
  37.  
  38.    return; // return as soon as the thread is fired up
  39. }
  40.  
  41.  
  42. void DialogBox_NewGame_Validated (void)
  43. {
  44.    // callback function called by the main game thread when the dialog box is validated
  45.  
  46.    // remember this callback is no longer to be called
  47.    is_dialogbox_newgame_validated = false;
  48.  
  49.    Scene_Shutdown (&the_scene); // release scene
  50.    Board_Shutdown (&the_board); // release chess game
  51.  
  52.    if (newgame_type == GAMETYPE_ONLINE)
  53.    {
  54.       Board_Init (&the_board, PLAYER_HUMAN, PLAYER_INTERNET, FENSTARTUP_STANDARDCHESS); // we want an online opponent
  55.       the_board.game_state = STATE_UNKNOWN; // game does NOT start immediately
  56.    }
  57.    else if (newgame_type == GAMETYPE_COMPUTER)
  58.    {
  59.       Board_Init (&the_board, PLAYER_HUMAN, PLAYER_COMPUTER, FENSTARTUP_STANDARDCHESS); // we want a computer opponent
  60.       the_board.game_state = STATE_PLAYING; // game starts immediately
  61.    }
  62.    else
  63.    {
  64.       Board_Init (&the_board, PLAYER_HUMAN, PLAYER_HUMAN, FENSTARTUP_STANDARDCHESS); // we want a human opponent
  65.       the_board.game_state = STATE_PLAYING; // game starts immediately
  66.       DialogBox_RenameSides (); // pop up the opponents naming dialog box
  67.    }
  68.    Scene_Init (&the_scene, &the_board); // initialize scene
  69.  
  70.    SetWindowText (hMainWnd, PROGRAM_NAME); // update window title
  71.    the_board.reevaluate = true; // evaluate the new board
  72.    the_scene.update = true; // update scene
  73.  
  74.    return; // finished, a new game of the chosen type is being fired up
  75. }
  76.  
  77.  
  78. static void StartThread_ThisDialog (void *thread_parms)
  79. {
  80.    // this function runs in a separate thread, for that's the only way (seemingly)
  81.    // to implement a non-modal message box using the Common Controls library.
  82.  
  83.    // display the dialog box
  84.    newgame_type = DialogBox (hAppInstance, MAKEINTRESOURCE (THIS_DIALOG), hMainWnd, DialogProc_ThisDialog);
  85.    if (newgame_type > 0)
  86.       is_dialogbox_newgame_validated = true;
  87.    is_dialogbox_displayed = false;
  88.  
  89.    the_board.reevaluate = true; // refresh the GUI buttons if needed
  90.    return; // _endthread() implied
  91. }
  92.  
  93.  
  94. static int CALLBACK DialogProc_ThisDialog (HWND hWnd, unsigned int message, WPARAM wParam, LPARAM lParam)
  95. {
  96.    // message handler for the dialog box
  97.  
  98.    unsigned long connection_state;
  99.    unsigned short wParam_hiword;
  100.    unsigned short wParam_loword;
  101.  
  102.    // filter out the commonly used message values
  103.    wParam_hiword = HIWORD (wParam);
  104.    wParam_loword = LOWORD (wParam);
  105.  
  106.    // have we just fired up this window ?
  107.    if (message == WM_INITDIALOG)
  108.    {
  109.       // center the window
  110.       CenterWindow (hWnd, hMainWnd);
  111.  
  112.       // set dialog icons (small one for title bar & big one for task manager)
  113.       SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  114.       SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) LoadIcon (hAppInstance, MAKEINTRESOURCE (ICON_MAIN)));
  115.  
  116.       // set window title and control texts
  117.       SetWindowText (hWnd, LOCALIZE (L"NewGame_Title"));
  118.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_NEWGAME_QUESTION), LOCALIZE (L"NewGame_Question"));
  119.  
  120.       // if computer is connected to a network, enable online mode, else don't.
  121.       SetWindowText (GetDlgItem (hWnd, BUTTON_NEWGAME_ONLINE), LOCALIZE (L"NewGame_Online"));
  122.       if (InternetGetConnectedState (&connection_state, 0)
  123.           && (ConvertTo7BitASCII (ascii_hostname, sizeof (ascii_hostname), options.network.server_address), gethostbyname (ascii_hostname) != NULL))
  124.       {
  125.          Static_SetText (GetDlgItem (hWnd, STATICTEXT_NEWGAME_ONLINEDESCRIPTION), LOCALIZE (L"NewGame_OnlineDescription"));
  126.          EnableWindow (GetDlgItem (hWnd, BUTTON_NEWGAME_ONLINE), true);
  127.          EnableWindow (GetDlgItem (hWnd, STATICTEXT_NEWGAME_ONLINEDESCRIPTION), true);
  128.       }
  129.       else
  130.       {
  131.          Static_SetText (GetDlgItem (hWnd, STATICTEXT_NEWGAME_ONLINEDESCRIPTION), LOCALIZE (L"Error_NetworkInitializationFailed"));
  132.          EnableWindow (GetDlgItem (hWnd, BUTTON_NEWGAME_ONLINE), false);
  133.          EnableWindow (GetDlgItem (hWnd, STATICTEXT_NEWGAME_ONLINEDESCRIPTION), false);
  134.       }
  135.  
  136.       SetWindowText (GetDlgItem (hWnd, BUTTON_NEWGAME_COMPUTER), LOCALIZE (L"NewGame_Computer"));
  137.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_NEWGAME_COMPUTERDESCRIPTION), LOCALIZE (L"NewGame_ComputerDescription"));
  138.  
  139.       SetWindowText (GetDlgItem (hWnd, BUTTON_NEWGAME_HUMAN), LOCALIZE (L"NewGame_Human"));
  140.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_NEWGAME_HUMANDESCRIPTION), LOCALIZE (L"NewGame_HumanDescription"));
  141.  
  142.       Static_SetText (GetDlgItem (hWnd, STATICTEXT_NEWGAME_STATUSBAR), LOCALIZE (L"NewGame_StatusBar"));
  143.  
  144.       // convert the status bar message to a hyperlink
  145.       ConvertStaticToHyperlink (GetDlgItem (hWnd, STATICTEXT_NEWGAME_STATUSBAR));
  146.  
  147.       // and stop the center message display
  148.       the_scene.gui.want_spinwheel = false;
  149.    }
  150.  
  151.    // else did we click the close button on the title bar or hit the escape key ?
  152.    else if (message == WM_CLOSE)
  153.       EndDialog (hWnd, 0); // close the dialog box
  154.  
  155.    // else did we take action on one of the controls ?
  156.    else if (message == WM_COMMAND)
  157.    {
  158.       // did we cancel the dialog box ? (IDCANCEL is a system-wide dialog box handler value, that catches the ESC key)
  159.       if (wParam_loword == IDCANCEL)
  160.          EndDialog (hWnd, 0); // close the dialog box
  161.  
  162.       // else was it the new online game button ?
  163.       else if (wParam_loword == BUTTON_NEWGAME_ONLINE)
  164.          EndDialog (hWnd, GAMETYPE_ONLINE); // close the dialog box and return a "new online game" code
  165.  
  166.       // else was it the new game versus computer button ?
  167.       else if (wParam_loword == BUTTON_NEWGAME_COMPUTER)
  168.          EndDialog (hWnd, GAMETYPE_COMPUTER); // close the dialog box and return a "new game versus computer" code
  169.  
  170.       // else was it the new game versus human button ?
  171.       else if (wParam_loword == BUTTON_NEWGAME_HUMAN)
  172.          EndDialog (hWnd, GAMETYPE_TWOPLAYERS); // close the dialog box and return a "new game versus human" code
  173.  
  174.       // else was it the status bar hyperlink ?
  175.       else if (wParam_loword == STATICTEXT_NEWGAME_STATUSBAR)
  176.          ShellExecute (NULL, L"open", PROGRAM_URL, NULL, NULL, SW_MAXIMIZE); // open the donation page in the default browser, maximized
  177.    }
  178.  
  179.    // call the default dialog message processing function to keep things going
  180.    return (false);
  181. }
  182.