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 "wx/stockitem.h"
  27
  28 #include "bombs.h"
  29
  30 #include <stdlib.h>
  31
  32 #ifndef __WXWINCE__
  33 #   include <time.h>
  34 #endif
  35
  36 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) \
  37     || defined(__WXMAC__) || defined(__WXMGL__)
  38 #   include "bombs.xpm"
  39 #endif
  40
  41 IMPLEMENT_APP(BombsApp)
  42
  43 #ifdef __WXWINCE__
  44     STDAPI_(__int64) CeGetRandomSeed();
  45 #endif
  46
  47 // Called to initialize the program
  48 bool BombsApp::OnInit()
  49 {
  50 #ifdef __WXWINCE__
  51     srand((unsigned) CeGetRandomSeed());
  52 #else
  53     srand((unsigned) time(NULL));
  54 #endif
  55
  56     m_frame = new BombsFrame(&m_game);
  57
  58     m_frame->NewGame(bombsID_EASY, false);
  59
  60     return true;
  61 }
  62
  63 BEGIN_EVENT_TABLE(BombsFrame, wxFrame)
  64     EVT_MENU(bombsID_EASY,       BombsFrame::OnNewEasyGame)
  65     EVT_MENU(bombsID_MEDIUM,     BombsFrame::OnNewMediumGame)
  66     EVT_MENU(bombsID_HARD,       BombsFrame::OnNewHardGame)
  67     EVT_MENU(bombsID_EASYCORNER, BombsFrame::OnEasyCorner)
  68     EVT_MENU(wxID_EXIT,          BombsFrame::OnExit)
  69     EVT_MENU(wxID_ABOUT,         BombsFrame::OnAbout)
  70 END_EVENT_TABLE()
  71
  72 BombsFrame::BombsFrame(BombsGame *game)
  73     : wxFrame(NULL, wxID_ANY, wxT("wxBombs"), wxDefaultPosition,
  74         wxSize(300, 300), wxDEFAULT_DIALOG_STYLE|wxMINIMIZE_BOX)
  75 {
  76     m_game = game;
  77     m_easyCorner = false;
  78     m_lastLevel = bombsID_EASY;
  79
  80     SetIcon(wxICON(bombs));
  81
  82 #if wxUSE_STATUSBAR
  83     CreateStatusBar();
  84 #endif
  85
  86     // Create a menu bar for the frame
  87     wxMenuBar *menuBar = new wxMenuBar;
  88     wxMenu *menuFile = new wxMenu;
  89     wxMenu *menuLevel = new wxMenu;
  90     menuLevel->AppendRadioItem(bombsID_EASY, wxT("&Easy (10x10)\tCtrl-1"));
  91     menuLevel->AppendRadioItem(bombsID_MEDIUM, wxT("&Medium (15x15)\tCtrl-2"));
  92     menuLevel->AppendRadioItem(bombsID_HARD, wxT("&Hard (25x20)\tCtrl-3"));
  93
  94     menuFile->Append(bombsID_NEWGAME, wxT("&New Game"),
  95         menuLevel, wxT("Starts a new game"));
  96     menuFile->AppendCheckItem(bombsID_EASYCORNER, wxT("&Easy corner"));
  97
  98     menuFile->AppendSeparator();
  99     menuFile->Append(wxID_EXIT, wxGetStockLabel(wxID_EXIT), wxT("Quits the application"));
 100
 101     menuBar->Append(menuFile, wxT("&File"));
 102
 103
 104     wxMenu *menuHelp = new wxMenu;
 105     menuHelp->Append(wxID_ABOUT, wxT("&About"),
 106         wxT("Displays the program information") );
 107
 108     menuBar->Append(menuHelp, wxT("&Help"));
 109
 110     SetMenuBar(menuBar);
 111
 112     // Create child subwindows.
 113     m_canvas = new BombsCanvas(this, m_game);
 114
 115     // Ensure the subwindows get resized o.k.
 116     //  OnSize(width, height);
 117
 118     // Centre frame on the screen.
 119     Centre(wxBOTH);
 120
 121     // Show the frame.
 122     Show();
 123 }
 124
 125 void BombsFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 126 {
 127     Close();
 128 }
 129
 130 void BombsFrame::NewGame(int level, bool query)
 131 {
 132     if(query)
 133     {
 134        int ok = wxMessageBox(
 135                   wxT("Start new game regardless previous board?"),
 136                   wxT("Confirm"),
 137                   wxYES_NO | wxICON_QUESTION,
 138                   this
 139                 );
 140        if(ok!=wxYES)return;
 141     }
 142
 143     int numHorzCells = 20, numVertCells = 20;
 144     m_lastLevel = level;
 145
 146     switch(level)
 147     {
 148     case bombsID_EASY:
 149         numHorzCells = numVertCells = 10;
 150         break;
 151
 152     case bombsID_MEDIUM:
 153         numHorzCells = numVertCells = 15;
 154         break;
 155
 156     case bombsID_HARD:
 157         numHorzCells = 25; numVertCells = 20;
 158         break;
 159
 160     default :
 161         wxFAIL_MSG(wxT("Invalid level"));
 162         break;
 163     }
 164
 165     m_game->Init(numHorzCells, numVertCells, m_easyCorner);
 166
 167     GetMenuBar()->Check(level, true);
 168
 169     m_canvas->UpdateGridSize();
 170     SetClientSize(m_canvas->GetGridSizeInPixels());
 171 }
 172
 173 void BombsFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 174 {
 175     wxMessageBox(
 176         wxT("wxBombs (c) 1996 by P. Foggia\n<foggia@amalfi.dis.unina.it>"),
 177         wxT("About wxBombs") );
 178 }
 179
 180 void BombsFrame::OnNewEasyGame(wxCommandEvent& WXUNUSED(event))
 181 {
 182     NewGame(bombsID_EASY, true);
 183 }
 184
 185 void BombsFrame::OnNewMediumGame(wxCommandEvent& WXUNUSED(event))
 186 {
 187     NewGame(bombsID_MEDIUM, true);
 188 }
 189
 190 void BombsFrame::OnNewHardGame(wxCommandEvent& WXUNUSED(event))
 191 {
 192     NewGame(bombsID_HARD, true);
 193 }
 194
 195 void BombsFrame::OnEasyCorner(wxCommandEvent& WXUNUSED(event))
 196 {
 197     wxString msg;
 198     if(m_easyCorner)
 199         msg = wxT("enable");
 200     else
 201         msg = wxT("disable");
 202
 203     msg = wxT("Do you really want to ") + msg + wxT(" having\ntop left corner always empty for easier start?");
 204
 205     int ok = wxMessageBox(
 206                msg,
 207                wxT("Confirm"),
 208                wxYES_NO | wxICON_QUESTION,
 209                this
 210              );
 211
 212     if(ok!=wxYES)return;
 213
 214     m_easyCorner = !m_easyCorner;
 215
 216     NewGame(m_lastLevel, true);
 217 }
 218
 219 BEGIN_EVENT_TABLE(BombsCanvas, wxPanel)
 220     EVT_PAINT(BombsCanvas::OnPaint)
 221     EVT_MOUSE_EVENTS(BombsCanvas::OnMouseEvent)
 222     EVT_CHAR(BombsCanvas::OnChar)
 223 END_EVENT_TABLE()
 224
 225 BombsCanvas::BombsCanvas(wxFrame *parent, BombsGame *game)
 226     : wxPanel(parent, wxID_ANY)
 227 {
 228     m_game = game;
 229     int sx, sy;
 230     wxClientDC dc(this);
 231     wxFont font= BOMBS_FONT;
 232     dc.SetFont(font);
 233
 234     long chw, chh;
 235     wxString buf = wxT("M");
 236
 237     dc.GetTextExtent(buf, &chw, &chh);
 238     dc.SetFont(wxNullFont);
 239
 240     dc.SetMapMode(wxMM_METRIC);
 241
 242     int xcm = dc.LogicalToDeviceX(10);
 243     int ycm = dc.LogicalToDeviceY(10);
 244     // To have a square cell, there must be :
 245     //    sx*ycm == sy*xcm
 246     if (chw*ycm < chh*xcm)
 247     {
 248         sy = chh;
 249         sx = chh*xcm/ycm;
 250     }
 251     else
 252     {
 253         sx = chw;
 254         sy = chw*ycm/xcm;
 255     }
 256
 257     m_cellWidth = (sx+3+X_UNIT)/X_UNIT;
 258     m_cellHeight = (sy+3+Y_UNIT)/Y_UNIT;
 259     dc.SetMapMode(wxMM_TEXT);
 260     m_bmp = NULL;
 261 }
 262
 263 BombsCanvas::~BombsCanvas()
 264 {
 265     if (m_bmp)
 266     {
 267         delete m_bmp;
 268         m_bmp = NULL;
 269     }
 270 }
 271
 272 // Called when canvas needs to be repainted.
 273 void BombsCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 274 {
 275     wxPaintDC dc(this);
 276
 277     const int numHorzCells = m_game->GetWidth();
 278     const int numVertCells = m_game->GetHeight();
 279     // Insert your drawing code here.
 280     if (!m_bmp)
 281     {
 282         wxSize size = dc.GetSize();
 283         m_bmp = new wxBitmap(size.GetWidth(), size.GetHeight());
 284         if (m_bmp)
 285         {
 286             wxMemoryDC memDC;
 287             memDC.SelectObject(*m_bmp);
 288             DrawField(&memDC, 0, 0, numHorzCells-1, numVertCells-1);
 289             memDC.SelectObject(wxNullBitmap);
 290         }
 291     }
 292
 293     if (m_bmp)
 294     {
 295         wxMemoryDC memDC;
 296         memDC.SelectObject(*m_bmp);
 297         wxSize size = dc.GetSize();
 298         dc.Blit(0, 0, size.GetWidth(), size.GetHeight(),
 299             &memDC, 0, 0, wxCOPY);
 300       memDC.SelectObject(wxNullBitmap);
 301     }
 302     else
 303     {
 304         DrawField(&dc, 0, 0, numHorzCells-1, numVertCells-1);
 305     }
 306 }
 307
 308 void BombsCanvas::UpdateGridSize()
 309 {
 310
 311     if (m_bmp)
 312     {
 313         delete m_bmp;
 314         m_bmp = NULL;
 315     }
 316     SetSize(GetGridSizeInPixels());
 317     Refresh();
 318 }
 319
 320 wxSize BombsCanvas::GetGridSizeInPixels() const
 321 {
 322     return wxSize(m_cellWidth*X_UNIT*m_game->GetWidth(),
 323         m_cellHeight*Y_UNIT*m_game->GetHeight());
 324 }
 325