(C++) ConnectThreeWidget

 

 

ConnectThreeWidget is a widget for a ConnectThree game.

Technical facts

 

 

 

 

 

 

./CppConnectThreeWidget/CppConnectThreeWidget.pri

 

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INCLUDEPATH += \     ../../Classes/CppConnectThreeWidget SOURCES += \     ../../Classes/CppConnectThreeWidget/connectthreewidget.cpp HEADERS  += \     ../../Classes/CppConnectThreeWidget/connectthreewidget.h OTHER_FILES += \     ../../Classes/CppConnectThreeWidget/Licence.txt

 

 

 

 

 

./CppConnectThreeWidget/connectthreewidget.h

 

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//--------------------------------------------------------------------------- /* ConnectThreeWidget. GUI independent ConnectThree widget. Copyright 2010-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppConnectThreeWidget.htm //--------------------------------------------------------------------------- #ifndef CONNECTTHREEWIDGET_H #define CONNECTTHREEWIDGET_H #include <bitset> #include <string> #include <vector> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include <boost/shared_ptr.hpp> #include <boost/tuple/tuple.hpp> #include "connectthree.h" #include "connectthreefwd.h" #pragma GCC diagnostic pop namespace ribi { struct TextCanvas; namespace con3 { struct ConnectThree; ///ConnectThreeWidget embodies the interaction with a user ///It keeps track which players are human and whose turn it is struct ConnectThreeWidget {   enum class Key { up, right, down, left, select };   explicit ConnectThreeWidget(     const std::bitset<3>& is_player_human = CreateDefaultIsPlayerHuman(),     const int n_cols = 16,     const int n_rows = 12);   bool CanDoMove() const noexcept { return CanDoMove(m_x,m_y); }   bool CanSelect(const int x, const int y) const noexcept;   static std::bitset<3> CreateDefaultIsPlayerHuman() noexcept;   ///Let the computer do a move   void DoComputerMove() noexcept;   ///Press select at the current place   void DoMove() noexcept;   const boost::shared_ptr<const ConnectThree> GetGame() const noexcept { return m_game; }   const std::bitset<3>& GetIsPlayerHuman() const noexcept { return m_is_player_human; }   static std::string GetVersion() noexcept;   static std::vector<std::string> GetVersionHistory() noexcept;   bool IsComputerTurn() const noexcept;   bool IsHuman(const Player player) const noexcept;   void OnKeyPress(const Key key) noexcept;   void Restart() noexcept;   void Select(const int x, const int y) noexcept;   void SetIsPlayerHuman(const std::bitset<3>& is_player_human) noexcept;   const boost::shared_ptr<Move> SuggestMove() const noexcept;   const boost::shared_ptr<TextCanvas> ToTextCanvas() const noexcept;   void Tick() noexcept;   private:   ~ConnectThreeWidget() noexcept {}   friend void boost::checked_delete<>(ConnectThreeWidget*);   friend void boost::checked_delete<>(const ConnectThreeWidget*);   boost::shared_ptr<ConnectThree> m_game;   std::bitset<3> m_is_player_human;   //X coordinat of cursor   int m_x;   //Y coordinat of cursor   int m_y;   bool CanDoMove(const int x, const int y) const noexcept;   void DoMove(const int x, const int y) noexcept;   int PlayerToIndex(const Player player) const noexcept;   #ifndef NDEBUG   static void Test() noexcept;   #endif }; } //~namespace con3 } //~namespace ribi #endif // CONNECTTHREEWIDGET_H

 

 

 

 

 

./CppConnectThreeWidget/connectthreewidget.cpp

 

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//--------------------------------------------------------------------------- /* ConnectThreeWidget. GUI independent ConnectThree widget. Copyright 2010-2015 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppConnectThreeWidget.htm //--------------------------------------------------------------------------- #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include "connectthreewidget.h" #pragma GCC diagnostic pop #include <cassert> #include <stdexcept> #include "connectthree.h" #include "connectthreemove.h" #include "testtimer.h" #include "textcanvas.h" #include "trace.h" ribi::con3::ConnectThreeWidget::ConnectThreeWidget(   const std::bitset<3>& is_player_human,   const int n_cols,   const int n_rows)   : m_game(new ConnectThree(n_cols,n_rows)),     m_is_player_human(is_player_human),     m_x{n_cols / 2},     m_y{n_rows / 2} {   #ifndef NDEBUG   Test();   #endif   assert(m_game);   assert(m_x >= 0);   assert(m_y >= 0);   assert(n_cols > 0);   assert(n_rows > 0);   assert(m_x < n_cols);   assert(m_y < n_rows); } bool ribi::con3::ConnectThreeWidget::CanDoMove(const int x,const int y) const noexcept {   return m_game->CanDoMove(x,y); } bool ribi::con3::ConnectThreeWidget::CanSelect(const int x, const int y) const noexcept {   return        x >= 0 && x < GetGame()->GetCols()     && y >= 0 && y < GetGame()->GetRows()     && GetGame()->GetSquare(x,y) == Square::empty; } std::bitset<3> ribi::con3::ConnectThreeWidget::CreateDefaultIsPlayerHuman() noexcept {   std::bitset<3> b;   b[0] = true;   b[1] = true;   b[2] = true;   return b; } void ribi::con3::ConnectThreeWidget::DoComputerMove() noexcept {   const auto move = SuggestMove();   assert(CanDoMove(move->GetX(),move->GetY()));   DoMove(move->GetX(),move->GetY()); } void ribi::con3::ConnectThreeWidget::DoMove() noexcept {   assert(CanDoMove());   assert(CanDoMove(m_x,m_y));   m_game->DoMove(m_x,m_y); } void ribi::con3::ConnectThreeWidget::DoMove(const int x,const int y) noexcept {   assert(CanDoMove(x,y));   m_game->DoMove(x,y); } std::string ribi::con3::ConnectThreeWidget::GetVersion() noexcept {   return "1.0"; } std::vector<std::string> ribi::con3::ConnectThreeWidget::GetVersionHistory() noexcept {   return {     "2011-04-20: version 1.0: initial version"   }; } bool ribi::con3::ConnectThreeWidget::IsComputerTurn() const noexcept {   assert(m_game);   return !IsHuman(m_game->GetActivePlayer()); } bool ribi::con3::ConnectThreeWidget::IsHuman(const Player player) const noexcept {   const int player_index{PlayerToIndex(player)};   assert(player_index >= 0);   assert(player_index < static_cast<int>(m_is_player_human.size()));   return m_is_player_human[player_index]; } void ribi::con3::ConnectThreeWidget::OnKeyPress(const Key key) noexcept {   assert(m_x >= 0);   assert(m_y >= 0);   assert(m_x < m_game->GetCols());   assert(m_y < m_game->GetRows());   switch (key)   {     case Key::up   : if (m_y > 0) --m_y; break;     case Key::right: if (m_x + 1 < m_game->GetCols()) ++m_x; break;     case Key::down : if (m_y + 1 < m_game->GetRows()) ++m_y; break;     case Key::left : if (m_x > 0) --m_x; break;     case Key::select:       if (m_game->CanDoMove(m_x,m_y)) { m_game->DoMove(m_x,m_y); }       break;   }   assert(m_x >= 0);   assert(m_y >= 0);   assert(m_x < m_game->GetCols());   assert(m_y < m_game->GetRows()); } int ribi::con3::ConnectThreeWidget::PlayerToIndex(const Player player) const noexcept {   switch(player)   {     case Player::player1: return 0;     case Player::player2: return 1;     case Player::player3: return 2;     default:       assert(!"Should not get here");       throw std::logic_error("Unknown player");   } } void ribi::con3::ConnectThreeWidget::Restart() noexcept {   assert(m_game);   m_game->Restart(); } void ribi::con3::ConnectThreeWidget::Select(const int x, const int y) noexcept {   assert(CanSelect(x,y));   m_x = x;   m_y = y; } void ribi::con3::ConnectThreeWidget::SetIsPlayerHuman(const std::bitset<3>& is_player_human) noexcept {   if (m_is_player_human != is_player_human)   {     //Only restart game if something changed     m_is_player_human = is_player_human;     Restart();   } } const boost::shared_ptr<ribi::con3::Move> ribi::con3::ConnectThreeWidget::SuggestMove() const noexcept {   return m_game->SuggestMove(m_is_player_human); } #ifndef NDEBUG void ribi::con3::ConnectThreeWidget::Test() noexcept {   {     static bool is_tested{false};     if (is_tested) return;     is_tested = true;   }   const TestTimer test_timer(__func__,__FILE__,1.0);   const boost::shared_ptr<ConnectThreeWidget> widget {     new ConnectThreeWidget   };   assert(widget->IsHuman(Player::player1));   assert(widget->IsHuman(Player::player2));   assert(widget->IsHuman(Player::player3));   assert(widget->GetGame()->GetCols() == 16);   assert(widget->GetGame()->GetRows() == 12);   while (widget->GetGame()->GetWinner() == Winner::no_winner)   {     switch ((std::rand() >> 4) % 5)     {       case 0: widget->OnKeyPress(Key::up); break;       case 1: widget->OnKeyPress(Key::right); break;       case 2: widget->OnKeyPress(Key::down); break;       case 3: widget->OnKeyPress(Key::left); break;       case 4: widget->OnKeyPress(Key::select); break;     }   } } #endif ///Tick does either wait for a human to make his/her move ///or lets a computer do its move. Tick must be called by ///external timers like Wt::WTimer or QTimer. void ribi::con3::ConnectThreeWidget::Tick() noexcept {   if (IsComputerTurn())   {     const auto m = m_game->SuggestMove(m_is_player_human);     m_game->DoMove(m);   } } const boost::shared_ptr<ribi::TextCanvas> ribi::con3::ConnectThreeWidget::ToTextCanvas() const noexcept {   assert(m_game);   const int n_cols { m_game->GetCols() };   const int n_rows { m_game->GetRows() };   const boost::shared_ptr<TextCanvas> canvas {     new TextCanvas(n_cols,n_rows)   };   for (int y=0; y!=n_rows; ++y)   {     for (int x=0; x!=n_cols; ++x)     {       char c = ' ';       assert(m_game->CanGetSquare(x,y));       switch (m_game->GetSquare(x,y))       {         case Square::empty  : c = '.'; break;         case Square::player1: c = 'O'; break;         case Square::player2: c = 'X'; break;         case Square::player3: c = 'A'; break;         default:           assert(!"Should not get here");       }       canvas->PutChar(x,y,c);     }   }   const char c = canvas->GetChar(m_x,m_y);   char d = ' ';   switch (c)   {     case ' ': d = '.'; break;     case '.': d = ' '; break;     case 'O': d = 'o'; break;     case 'X': d = 'x'; break;     case 'A': d = 'a'; break;     case 'o': d = 'O'; break;     case 'x': d = 'X'; break;     case 'a': d = 'A'; break;   }   canvas->PutChar(m_x,m_y,d);   return canvas; }