1/////////////////////////////////////////////////////////////////////////////// 2// Name: bombs1.cpp 3// Purpose: Bombs game 4// Author: P. Foggia 1996 5// Modified by: Wlodzimierz Skiba (ABX) since 2003 6// Created: 1996 7// RCS-ID: $Id: bombs1.cpp 35650 2005-09-23 12:56:45Z MR $ 8// Copyright: (c) 1996 P. Foggia 9// Licence: wxWindows licence 10/////////////////////////////////////////////////////////////////////////////// 11 12/* 13 * implementation of the methods DrawField and OnEvent of the 14 * class BombsCanvas 15 */ 16 17#include "wx/wxprec.h" 18 19#ifdef __BORLANDC__ 20# pragma hdrstop 21#endif 22 23#ifndef WX_PRECOMP 24# include "wx/wx.h" 25#endif //precompiled headers 26 27#include "bombs.h" 28 29// Draws the field on the device context dc 30// xc1,yc1 etc. are the (inclusive) limits of the area to be drawn, 31// expressed in cells. 32void BombsCanvas::DrawField(wxDC *dc, int xc1, int yc1, int xc2, int yc2) 33{ 34 wxString buf; 35 long chw, chh; 36 37 wxColour wxYellow = wxTheColourDatabase->Find(wxT("YELLOW")); 38 wxColour wxFocused = wxTheColourDatabase->Find(wxT("GREY")); 39 40 wxPen *bluePen = wxThePenList->FindOrCreatePen(*wxBLUE, 1, wxSOLID); 41 42 wxBrush *focusedBrush = wxTheBrushList->FindOrCreateBrush(wxFocused, wxSOLID); 43 wxBrush *yellowBrush = wxTheBrushList->FindOrCreateBrush(wxYellow, wxSOLID); 44 45 dc->SetPen(*wxBLACK_PEN); 46 47 int x, y; 48 int xMax = this->GetGridSizeInPixels().GetWidth(); 49 int yMax = this->GetGridSizeInPixels().GetHeight(); 50 for(x=xc1; x<=xc2; x++) 51 dc->DrawLine(x*m_cellWidth*X_UNIT, 0, x*m_cellWidth*X_UNIT, yMax); 52 for(y=xc1; y<=yc2; y++) 53 dc->DrawLine(0, y*m_cellHeight*Y_UNIT, xMax, y*m_cellHeight*Y_UNIT); 54 55 56 wxFont font= BOMBS_FONT; 57 dc->SetFont(font); 58 59 for(x=xc1; x<=xc2; x++) 60 for(y=yc1; y<=yc2; y++) 61 { 62 if (m_game->IsMarked(x,y)) 63 { 64 dc->SetPen(*wxBLACK_PEN); 65 66 if (m_game->IsFocussed(x, y)) 67 dc->SetBrush(*focusedBrush); 68 else 69 dc->SetBrush(*wxLIGHT_GREY_BRUSH); 70 71 dc->DrawRectangle( x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT, 72 m_cellWidth*X_UNIT+1, m_cellHeight*Y_UNIT+1); 73 buf = wxT("M"); 74 if (!m_game->IsHidden(x,y) && m_game->IsBomb(x,y)) 75 dc->SetTextForeground(*wxBLUE); 76 else 77 dc->SetTextForeground(*wxRED); 78 79 dc->SetTextBackground(*wxLIGHT_GREY); 80 dc->GetTextExtent(buf, &chw, &chh); 81 dc->DrawText( buf, 82 x*m_cellWidth*X_UNIT + (m_cellWidth*X_UNIT-chw)/2, 83 y*m_cellHeight*Y_UNIT + (m_cellHeight*Y_UNIT-chh)/2 ); 84 85 if (!m_game->IsHidden(x,y) && m_game->IsBomb(x,y)) 86 { 87 dc->SetPen(*wxRED_PEN); 88 dc->DrawLine(x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT, 89 (x+1)*m_cellWidth*X_UNIT, (y+1)*m_cellHeight*Y_UNIT); 90 dc->DrawLine(x*m_cellWidth*X_UNIT, (y+1)*m_cellHeight*Y_UNIT, 91 (x+1)*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT); 92 } 93 } 94 else if (m_game->IsHidden(x,y)) 95 { 96 dc->SetPen(*wxBLACK_PEN); 97 if (m_game->IsFocussed(x, y)) 98 dc->SetBrush(*focusedBrush); 99 else 100 dc->SetBrush(*wxLIGHT_GREY_BRUSH); 101 102 dc->DrawRectangle( x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT, 103 m_cellWidth*X_UNIT+1, m_cellHeight*Y_UNIT+1); 104 } 105 else if (m_game->IsBomb(x,y)) 106 { 107 dc->SetPen(*wxBLACK_PEN); 108 dc->SetBrush(*wxRED_BRUSH); 109 dc->DrawRectangle( x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT, 110 m_cellWidth*X_UNIT+1, m_cellHeight*Y_UNIT+1); 111 buf = wxT("B"); 112 dc->SetTextForeground(*wxBLACK); 113 dc->SetTextBackground(*wxRED); 114 dc->GetTextExtent(buf, &chw, &chh); 115 dc->DrawText( buf, 116 x*m_cellWidth*X_UNIT + (m_cellWidth*X_UNIT-chw)/2, 117 y*m_cellHeight*Y_UNIT + (m_cellHeight*Y_UNIT-chh)/2); 118 if (m_game->IsExploded(x,y)) 119 { 120 dc->SetPen(*bluePen); 121 dc->DrawLine(x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT, 122 (x+1)*m_cellWidth*X_UNIT, (y+1)*m_cellHeight*Y_UNIT); 123 dc->DrawLine(x*m_cellWidth*X_UNIT, (y+1)*m_cellHeight*Y_UNIT, 124 (x+1)*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT); 125 } 126 } 127 else // Display a digit 128 { 129 dc->SetPen(*wxBLACK_PEN); 130 if (m_game->IsFocussed(x, y)) 131 dc->SetBrush(*focusedBrush); 132 else if (m_game->IsSelected(x,y)) 133 dc->SetBrush(*wxWHITE_BRUSH); 134 else 135 dc->SetBrush(*yellowBrush); 136 dc->DrawRectangle( x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT, 137 m_cellWidth*X_UNIT+1, m_cellHeight*Y_UNIT+1); 138 139 int digit_value = m_game->Get(x,y) & BG_MASK; 140 switch(digit_value) 141 { 142 case 0: 143 buf = wxT("0"); 144 dc->SetTextForeground(*wxGREEN); 145 break; 146 case 1: 147 buf = wxT("1"); 148 dc->SetTextForeground(*wxBLUE); 149 break; 150 default: 151 buf.Printf(wxT("%d"),digit_value); 152 dc->SetTextForeground(*wxBLACK); 153 break; 154 } 155 dc->GetTextExtent(buf, &chw, &chh); 156 dc->SetTextBackground(*wxWHITE); 157 dc->DrawText( buf, 158 x*m_cellWidth*X_UNIT + (m_cellWidth*X_UNIT-chw)/2, 159 y*m_cellHeight*Y_UNIT + (m_cellHeight*Y_UNIT-chh)/2); 160 } 161 } 162 dc->SetFont(wxNullFont); 163 164 wxString msg; 165 msg.Printf(wxT("%d bombs, %u marked, %d remaining cells"), 166 m_game->GetNumBombs(), m_game->GetNumMarkedCells(), 167 m_game->GetNumRemainingCells() ); 168 169#if wxUSE_LOG && wxUSE_STATUSBAR 170 wxLogStatus(msg); 171#else 172 this->GetParent()->SetTitle(msg); 173#endif 174} 175 176// Refreshes the field image 177// xc1,yc1 etc. are the (inclusive) limits of the area to be drawn, 178// expressed in cells. 179void BombsCanvas::RefreshField(int xc1, int yc1, int xc2, int yc2) 180{ 181 wxClientDC dc(this); 182 DrawField(& dc, xc1, yc1, xc2, yc2); 183 if (m_bmp) 184 { 185 wxMemoryDC memDC; 186 memDC.SelectObject(*m_bmp); 187 DrawField(&memDC, xc1, yc1, xc2, yc2); 188 memDC.SelectObject(wxNullBitmap); 189 } 190} 191 192// Called when uncovering a cell. 193void BombsCanvas::Uncover(int x, int y) 194{ 195 m_game->Unhide(x,y,true); 196 RefreshField(x, y, x, y); 197 198 const int gridWidth = m_game->GetWidth(); 199 const int gridHeight = m_game->GetHeight(); 200 201 const bool hasWon = m_game->GetNumRemainingCells() == 0; 202 if (m_game->IsBomb(x,y) || hasWon) 203 { 204 wxBell(); 205 if (hasWon) 206 { 207 wxMessageBox(wxT("Nice! You found all the bombs!"), 208 wxT("wxWin Bombs"), wxOK|wxCENTRE); 209 } 210 else // x,y is a bomb 211 { 212 m_game->Explode(x, y); 213 } 214 215 for(x=0; x<gridWidth; x++) 216 for(y=0; y<gridHeight; y++) 217 m_game->Unhide(x,y,false); 218 219 RefreshField(0, 0, gridWidth-1, gridHeight-1); 220 } 221 else if (0 == (m_game->Get(x, y) & BG_MASK)) 222 { 223 int left = ( x > 0 ) ? x-1 : 0; 224 int right = ( x < gridWidth - 1 ) 225 ? x+1 226 : gridWidth - 1; 227 int top = ( y > 0 ) ? y-1 : 0; 228 int bottom = ( y < gridHeight - 1 ) 229 ? y+1 230 : gridHeight - 1; 231 232 int i, j; 233 for (j=top; j<=bottom; j++) 234 for (i=left; i<=right; i++) 235 if ( (i != x || j != y) && m_game->IsHidden(i, j) 236 && !m_game->IsMarked(i, j) ) 237 { 238 Uncover(i, j); 239 } 240 } 241} 242 243// Called when the canvas receives a mouse event. 244void BombsCanvas::OnMouseEvent(wxMouseEvent& event) 245{ 246 const int gridWidth = m_game->GetWidth(); 247 const int gridHeight = m_game->GetHeight(); 248 249 wxCoord fx, fy; 250 event.GetPosition(&fx, &fy); 251 int x = fx/(m_cellWidth*X_UNIT); 252 int y = fy/(m_cellHeight*Y_UNIT); 253 if (x<gridWidth && y<gridHeight) 254 { 255 if ( (event.RightDown() || (event.LeftDown() && event.ShiftDown())) 256 && (m_game->IsHidden(x,y) 257 || !m_game->GetNumRemainingCells() ) ) 258 { 259 // store previous and current field 260 int prevFocusX = m_game->m_gridFocusX; 261 int prevFocusY = m_game->m_gridFocusY; 262 m_game->m_gridFocusX = x; 263 m_game->m_gridFocusY = y; 264 RefreshField(prevFocusX, prevFocusY, prevFocusX, prevFocusY); 265 m_game->Mark(x, y); 266 RefreshField(x, y, x, y); 267 return; 268 } 269 else if (event.LeftDown() && m_game->IsHidden(x,y) 270 && !m_game->IsMarked(x,y)) 271 { 272 // store previous and current field 273 int prevGridFocusX = m_game->m_gridFocusX; 274 int prevGridFocusY = m_game->m_gridFocusY; 275 m_game->m_gridFocusX = x; 276 m_game->m_gridFocusY = y; 277 RefreshField(prevGridFocusX, prevGridFocusY, 278 prevGridFocusX, prevGridFocusY); 279 Uncover(x, y); 280 return; 281 } 282 } 283} 284 285void BombsCanvas::OnChar(wxKeyEvent& event) 286{ 287 int keyCode = event.GetKeyCode(); 288 int prevGridFocusX = m_game->m_gridFocusX; 289 int prevGridFocusY = m_game->m_gridFocusY; 290 291 const int gridWidth = m_game->GetWidth(); 292 const int gridHeight = m_game->GetHeight(); 293 294 switch(keyCode) 295 { 296 297 case WXK_RIGHT: 298 m_game->m_gridFocusX++; 299 if (m_game->m_gridFocusX >= gridWidth) m_game->m_gridFocusX = 0; 300 break; 301 302 case WXK_LEFT: 303 m_game->m_gridFocusX--; 304 if (m_game->m_gridFocusX<0) m_game->m_gridFocusX = gridWidth-1; 305 break; 306 307 case WXK_DOWN: 308 m_game->m_gridFocusY++; 309 if (m_game->m_gridFocusY >= gridHeight) m_game->m_gridFocusY = 0; 310 break; 311 312 case WXK_UP: 313 m_game->m_gridFocusY--; 314 if (m_game->m_gridFocusY<0) m_game->m_gridFocusY = gridHeight-1; 315 break; 316 317 case WXK_RETURN: 318 if ( (prevGridFocusX == m_game->m_gridFocusX) 319 && (prevGridFocusY == m_game->m_gridFocusY) 320 && (m_game->IsHidden(m_game->m_gridFocusX, m_game->m_gridFocusY)) ) 321 { 322 m_game->Mark(m_game->m_gridFocusX, m_game->m_gridFocusY); 323 if (!m_game->IsMarked(m_game->m_gridFocusX, m_game->m_gridFocusY)) 324 { 325 Uncover(m_game->m_gridFocusX, m_game->m_gridFocusY); 326 } 327 RefreshField(m_game->m_gridFocusX, m_game->m_gridFocusY, 328 m_game->m_gridFocusX, m_game->m_gridFocusY); 329 } 330 break; 331 332 default: 333 event.Skip(); 334 335 } 336 337 if ((prevGridFocusX != m_game->m_gridFocusX) 338 || (prevGridFocusY != m_game->m_gridFocusY)) 339 { 340 // cause focused field to be visible after first key hit after launching new game 341 if( m_game->m_gridFocusX < 0 ) m_game->m_gridFocusX = 0; 342 if( m_game->m_gridFocusY < 0 ) m_game->m_gridFocusY = 0; 343 344 // refresh previous field and focused field 345 RefreshField(prevGridFocusX, prevGridFocusY, 346 prevGridFocusX, prevGridFocusY); 347 RefreshField(m_game->m_gridFocusX, m_game->m_gridFocusY, 348 m_game->m_gridFocusX, m_game->m_gridFocusY); 349 } 350} 351