demos/bombs/bombs.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        bombs.cpp
   3 // Purpose:     Bombs game
   4 // Author:      P. Foggia 1996
   5 // Modified by: Wlodzimierz Skiba (ABX) 2003
   6 // Created:     1996
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1996 P. Foggia
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #   pragma implementation
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19 #   pragma hdrstop
  20 #endif
  21
  22 #ifndef  WX_PRECOMP
  23 #   include "wx/wx.h"
  24 #endif //precompiled headers
  25
  26 #include "bombs.h"
  27
  28 #include <stdlib.h>
  29
  30 #ifndef __WXWINCE__
  31 #   include <time.h>
  32 #endif
  33
  34 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) \
  35     || defined(__WXMAC__) || defined(__WXMGL__)
  36 #   include "bombs.xpm"
  37 #endif
  38
  39 IMPLEMENT_APP(BombsApp)
  40
  41 #ifdef __WXWINCE__
  42     STDAPI_(__int64) CeGetRandomSeed();
  43 #endif
  44
  45 // Called to initialize the program
  46 bool BombsApp::OnInit()
  47 {
  48 #ifdef __WXWINCE__
  49     srand((unsigned) CeGetRandomSeed());
  50 #else
  51     srand((unsigned) time(NULL));
  52 #endif
  53
  54     m_frame = new BombsFrame(&m_game);
  55
  56     m_frame->NewGame(bombsID_EASY);
  57
  58     return true;
  59 }
  60
  61 BEGIN_EVENT_TABLE(BombsFrame, wxFrame)
  62     EVT_MENU(bombsID_EASY, BombsFrame::OnNewEasyGame)
  63     EVT_MENU(bombsID_MEDIUM, BombsFrame::OnNewMediumGame)
  64     EVT_MENU(bombsID_HARD, BombsFrame::OnNewHardGame)
  65     EVT_MENU(wxID_EXIT, BombsFrame::OnExit)
  66     EVT_MENU(wxID_ABOUT, BombsFrame::OnAbout)
  67 END_EVENT_TABLE()
  68
  69 BombsFrame::BombsFrame(BombsGame *game)
  70     : wxFrame(NULL, wxID_ANY, wxT("wxBombs"), wxDefaultPosition,
  71         wxSize(300, 300), wxDEFAULT_DIALOG_STYLE|wxMINIMIZE_BOX)
  72 {
  73     m_game = game;
  74
  75     SetIcon(wxICON(bombs));
  76
  77 #if wxUSE_STATUSBAR
  78     CreateStatusBar();
  79 #endif
  80
  81     // Create a menu bar for the frame
  82     wxMenuBar *menuBar = new wxMenuBar;
  83     wxMenu *menuFile = new wxMenu;
  84     wxMenu *menuLevel = new wxMenu;
  85     menuLevel->AppendRadioItem(bombsID_EASY, wxT("&Easy (10x10)\tCtrl-1"));
  86     menuLevel->AppendRadioItem(bombsID_MEDIUM, wxT("&Medium (15x15)\tCtrl-2"));
  87     menuLevel->AppendRadioItem(bombsID_HARD, wxT("&Hard (25x20)\tCtrl-3"));
  88
  89     menuFile->Append(bombsID_NEWGAME, wxT("&New Game"),
  90         menuLevel, wxT("Starts a new game"));
  91
  92     menuFile->AppendSeparator();
  93     menuFile->Append(wxID_EXIT, wxT("E&xit"), wxT("Quits the application"));
  94
  95     menuBar->Append(menuFile, wxT("&File"));
  96
  97
  98     wxMenu *menuHelp = new wxMenu;
  99     menuHelp->Append(wxID_ABOUT, wxT("&About"),
 100         wxT("Displays the program information") );
 101
 102     menuBar->Append(menuHelp, wxT("&Help"));
 103
 104     SetMenuBar(menuBar);
 105
 106     // Create child subwindows.
 107     m_canvas = new BombsCanvas(this, m_game);
 108
 109     // Ensure the subwindows get resized o.k.
 110     //  OnSize(width, height);
 111
 112     // Centre frame on the screen.
 113     Centre(wxBOTH);
 114
 115     // Show the frame.
 116     Show();
 117 }
 118
 119 void BombsFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 120 {
 121     Close();
 122 }
 123
 124 void BombsFrame::NewGame(int level)
 125 {
 126
 127     int numHorzCells = 20, numVertCells = 20;
 128
 129     switch(level)
 130     {
 131     case bombsID_EASY:
 132         numHorzCells = numVertCells = 10;
 133         break;
 134
 135     case bombsID_MEDIUM:
 136         numHorzCells = numVertCells = 15;
 137         break;
 138
 139     case bombsID_HARD:
 140         numHorzCells = 25; numVertCells = 20;
 141         break;
 142
 143     default :
 144         wxFAIL_MSG(wxT("Invalid level"));
 145         break;
 146     }
 147
 148     m_game->Init(numHorzCells, numVertCells);
 149
 150     GetMenuBar()->Check(level, true);
 151
 152     m_canvas->UpdateGridSize();
 153     SetClientSize(m_canvas->GetGridSizeInPixels());
 154 }
 155
 156 void BombsFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 157 {
 158     wxMessageBox(
 159         wxT("wxBombs (c) 1996 by P. Foggia\n<foggia@amalfi.dis.unina.it>"),
 160         wxT("About wxBombs") );
 161 }
 162
 163 void BombsFrame::OnNewEasyGame(wxCommandEvent& WXUNUSED(event))
 164 {
 165     NewGame(bombsID_EASY);
 166 }
 167
 168 void BombsFrame::OnNewMediumGame(wxCommandEvent& WXUNUSED(event))
 169 {
 170     NewGame(bombsID_MEDIUM);
 171 }
 172
 173 void BombsFrame::OnNewHardGame(wxCommandEvent& WXUNUSED(event))
 174 {
 175     NewGame(bombsID_HARD);
 176 }
 177
 178 BEGIN_EVENT_TABLE(BombsCanvas, wxPanel)
 179     EVT_PAINT(BombsCanvas::OnPaint)
 180     EVT_MOUSE_EVENTS(BombsCanvas::OnMouseEvent)
 181     EVT_CHAR(BombsCanvas::OnChar)
 182 END_EVENT_TABLE()
 183
 184 BombsCanvas::BombsCanvas(wxFrame *parent, BombsGame *game)
 185     : wxPanel(parent, wxID_ANY)
 186 {
 187     m_game = game;
 188     int sx, sy;
 189     wxClientDC dc(this);
 190     wxFont font= BOMBS_FONT;
 191     dc.SetFont(font);
 192
 193     long chw, chh;
 194     wxString buf = wxT("M");
 195
 196     dc.GetTextExtent(buf, &chw, &chh);
 197     dc.SetFont(wxNullFont);
 198
 199     dc.SetMapMode(wxMM_METRIC);
 200
 201     int xcm = dc.LogicalToDeviceX(10);
 202     int ycm = dc.LogicalToDeviceY(10);
 203     // To have a square cell, there must be :
 204     //    sx*ycm == sy*xcm
 205     if (chw*ycm < chh*xcm)
 206     {
 207         sy = chh;
 208         sx = chh*xcm/ycm;
 209     }
 210     else
 211     {
 212         sx = chw;
 213         sy = chw*ycm/xcm;
 214     }
 215
 216     m_cellWidth = (sx+3+X_UNIT)/X_UNIT;
 217     m_cellHeight = (sy+3+Y_UNIT)/Y_UNIT;
 218     dc.SetMapMode(wxMM_TEXT);
 219     m_bmp = NULL;
 220 }
 221
 222 BombsCanvas::~BombsCanvas()
 223 {
 224     if (m_bmp)
 225     {
 226         delete m_bmp;
 227         m_bmp = NULL;
 228     }
 229 }
 230
 231 // Called when canvas needs to be repainted.
 232 void BombsCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 233 {
 234     wxPaintDC dc(this);
 235
 236     const int numHorzCells = m_game->GetWidth();
 237     const int numVertCells = m_game->GetHeight();
 238     // Insert your drawing code here.
 239     if (!m_bmp)
 240     {
 241         wxSize size = dc.GetSize();
 242         m_bmp = new wxBitmap(size.GetWidth(), size.GetHeight());
 243         if (m_bmp)
 244         {
 245             wxMemoryDC memDC;
 246             memDC.SelectObject(*m_bmp);
 247             DrawField(&memDC, 0, 0, numHorzCells-1, numVertCells-1);
 248             memDC.SelectObject(wxNullBitmap);
 249         }
 250     }
 251
 252     if (m_bmp)
 253     {
 254         wxMemoryDC memDC;
 255         memDC.SelectObject(*m_bmp);
 256         wxSize size = dc.GetSize();
 257         dc.Blit(0, 0, size.GetWidth(), size.GetHeight(),
 258             &memDC, 0, 0, wxCOPY);
 259       memDC.SelectObject(wxNullBitmap);
 260     }
 261     else
 262     {
 263         DrawField(&dc, 0, 0, numHorzCells-1, numVertCells-1);
 264     }
 265 }
 266
 267 void BombsCanvas::UpdateGridSize()
 268 {
 269
 270     if (m_bmp)
 271     {
 272         delete m_bmp;
 273         m_bmp = NULL;
 274     }
 275
 276     Refresh();
 277 }
 278
 279 wxSize BombsCanvas::GetGridSizeInPixels() const
 280 {
 281     return wxSize(m_cellWidth*X_UNIT*m_game->GetWidth(),
 282         m_cellHeight*Y_UNIT*m_game->GetHeight());
 283 }
 284