Async ai + option dialog + board background

.gitignore

@@ -6,3 +6,4 @@ toruschess.kdevses
 *.o
 moc_*
 qrc_*
+ui_*

src/ai.cpp

@@ -57,8 +57,22 @@ namespace toruschess {
 		}
 		return mx;
 	}
-
+	
-
+	Move ai::getMove(Field &field, Player curp, int depth) {
+		int balance = 0;
+		for (int x = 0; x < 8; x++)
+		for (int y = 0; y < 8; y++) {
+			Pos p(x,y);
+			balance += field.player(p) * piece_value[field.piece(p)];
+		}
+		
+		Move move;
+		minimax(field, balance, curp, depth, &move);
+		
+		return move;
+	}
+	
+	
 	Move ai::getMove(const Game *game) {
 		Player curp = NOPLAYER;
 		switch (game->state()) {
@@ -73,16 +87,6 @@ namespace toruschess {
 		}
 		
 		Field field = *game->field();
-		int balance = 0;
+		return getMove(field, curp, 2);
-		for (int x = 0; x < 8; x++)
-		for (int y = 0; y < 8; y++) {
-			Pos p(x,y);
-			balance += field.player(p) * piece_value[field.piece(p)];
-		}
-		
-		Move move;
-		minimax(field, balance, curp, 2, &move);
-		
-		return move;
 	}
 }

src/ai.h

@@ -28,6 +28,7 @@
 namespace toruschess {
 	class ai{
 	public:
+		static Move getMove(Field &field, Player curp, int depth);
 		static Move getMove(const Game *game);
 	};
 }

src/field2d.cpp

@@ -131,11 +131,9 @@ namespace toruschess {
 		for (int y = 0; y < 8; y++) {
 			bool marked = m_marked[x][y];
 			int place = m_game->field()->place(Pos(x, y));
-			/* #D18B47 for dark, #FFCE9E for white */
-			QBrush fieldBG = ((x+y) % 2 == 1) ? QBrush(QColor(0xD1, 0x8B, 0x47)) : QBrush(QColor(0xFF, 0xCE, 0x9E));
 
 			QRect prect(x * pieceWidth, y * pieceHeight, pieceWidth - 1, pieceHeight - 1);
-			pt.fillRect(prect, fieldBG);
+			m_lib->paint_board(pt, (x+y) % 2 == 1, prect);
 			m_lib->paint(pt, place, prect);
 			if (marked) {
 				int r = qMax(1, (pieceWidth + pieceHeight) / 36);

src/field3d.cpp

@@ -169,11 +169,9 @@ namespace toruschess {
 		for (int y = 0; y < 8; y++) {
 			bool marked = m_marked[x][y];
 			int place = m_game->field()->place(Pos(x, y));
-			/* #D18B47 for dark, #FFCE9E for white */
-			QBrush fieldBG = ((x+y) % 2 == 1) ? QBrush(QColor(0xD1, 0x8B, 0x47)) : QBrush(QColor(0xFF, 0xCE, 0x9E));
 
 			QRect prect(x * pieceSize, y * pieceSize, pieceSize - 1, pieceSize - 1);
-			pt.fillRect(prect, fieldBG);
+			m_lib->paint_board(pt, (x+y) % 2 == 1, prect);
 			m_lib->paint(pt, place, prect);
 			if (marked) {
 				int r = qMax(1, (pieceSize + pieceSize) / 36);

src/media.qrc

@@ -13,5 +13,9 @@
         <file alias="chess_11.svg">../media/Chess_qdt45.svg</file>
         <file alias="chess_12.svg">../media/Chess_kdt45.svg</file>
         <file alias="pawn.3ds">../media/pawn.3ds</file>
+        <file alias="board1_dark.png">../media/board1_dark.png</file>
+        <file alias="board1_white.png">../media/board1_white.png</file>
+        <file alias="board2_dark.png">../media/board2_dark.png</file>
+        <file alias="board2_white.png">../media/board2_white.png</file>
     </qresource>
 </RCC>

src/optiondlg.cpp

@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Stefan Bühler                                   *
+ *   stbuehler@web.de                                                      *
+ *                                                                         *
+ *   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 2 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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include "optiondlg.h"
+#include <QPushButton>
+
+namespace toruschess {
+	
+	OptionDlg::OptionDlg(Game *game, QWidget *parent)
+	: QDialog(parent), m_game(game) {
+		m_curMode = m_game->gameMode();
+		m_curAIStrength = m_game->aiStrength();
+		setupUi(this);
+		
+		m_bgMode = new QButtonGroup(this);
+		m_bgMode->addButton(rb_mode1, HUMAN_HUMAN);
+		m_bgMode->addButton(rb_mode2, HUMAN_COMPUTER);
+		m_bgMode->addButton(rb_mode3, COMPUTER_HUMAN);
+		m_bgMode->addButton(rb_mode4, COMPUTER_COMPUTER);
+		
+		dlgReset();
+		
+		connect(m_game, SIGNAL(changedMode(GameMode)), this, SLOT(gameChangedMode(GameMode)));
+		connect(m_game, SIGNAL(changedAIStrength(int)), this, SLOT(gameChangedAIStrength(int)));
+		
+		connect(this, SIGNAL(accepted()), this, SLOT(dlgAccept()));
+		connect(this, SIGNAL(rejected()), this, SLOT(dlgReset()));
+		
+		connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+		connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+		
+		connect(buttonBox->button(QDialogButtonBox::Reset), SIGNAL(clicked()), this, SLOT(dlgReset()));
+	}
+	
+	void OptionDlg::gameChangedMode(GameMode mode) {
+		if (m_curMode != mode) {
+			if (m_bgMode->checkedId() == m_curMode) {
+				m_bgMode->button(mode)->setChecked(true);
+			}
+			m_curMode = mode;
+		}
+	}
+	
+	void OptionDlg::gameChangedAIStrength(int aiStrength) {
+		if (m_curAIStrength != aiStrength) {
+			if (sb_aiStrength->value() == m_curAIStrength) {
+				sb_aiStrength->setValue(aiStrength);
+			}
+			m_curAIStrength = aiStrength;
+		}
+	}
+	
+	void OptionDlg::dlgReset() {
+		sb_aiStrength->setValue(m_curAIStrength);
+		m_bgMode->button(m_curMode)->setChecked(true);
+	}
+	
+	void OptionDlg::dlgAccept() {
+		m_curAIStrength = sb_aiStrength->value();
+		m_game->setAiStrength(m_curAIStrength);
+		m_curMode = (GameMode) m_bgMode->checkedId();
+		m_game->setGameMode(m_curMode);
+	}
+	
+}

src/optiondlg.h

@@ -0,0 +1,54 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Stefan Bühler                                   *
+ *   stbuehler@web.de                                                      *
+ *                                                                         *
+ *   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 2 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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef TORUSCHESSOPTIONDLG_H
+#define TORUSCHESSOPTIONDLG_H
+
+#include <QDialog>
+#include <QButtonGroup>
+#include "ui_optiondlg.h"
+
+#include "toruschess.h"
+
+/**
+	@author Stefan Bühler <stbuehler@web.de>
+*/
+namespace toruschess {
+	class OptionDlg : public QDialog, private Ui::OptionDlg {
+	Q_OBJECT
+	public:
+		OptionDlg(Game *game, QWidget *parent = 0);
+		
+	private slots:
+		void gameChangedMode(GameMode mode);
+		void gameChangedAIStrength(int aiStrength);
+		
+		void dlgReset();
+		void dlgAccept();
+		
+	private:
+		Game *m_game;
+		GameMode m_curMode;
+		int m_curAIStrength;
+		QButtonGroup *m_bgMode;
+	};
+
+}
+
+#endif

src/optiondlg.ui

@@ -0,0 +1,123 @@
+<ui version="4.0" >
+ <class>OptionDlg</class>
+ <widget class="QWidget" name="OptionDlg" >
+  <property name="windowModality" >
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="geometry" >
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>373</width>
+    <height>227</height>
+   </rect>
+  </property>
+  <property name="windowTitle" >
+   <string>Options</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout" >
+   <item row="0" column="0" colspan="2" >
+    <widget class="QGroupBox" name="groupBox" >
+     <property name="title" >
+      <string>Opponent</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2" >
+      <item>
+       <widget class="QRadioButton" name="rb_mode1" >
+        <property name="text" >
+         <string>Human vs. Human</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QRadioButton" name="rb_mode2" >
+        <property name="text" >
+         <string>Human vs. Computer</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QRadioButton" name="rb_mode3" >
+        <property name="text" >
+         <string>Computer vs. Human</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QRadioButton" name="rb_mode4" >
+        <property name="text" >
+         <string>Computer vs. Computer</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout" >
+        <property name="sizeConstraint" >
+         <enum>QLayout::SetMinimumSize</enum>
+        </property>
+        <item>
+         <widget class="QLabel" name="label" >
+          <property name="sizePolicy" >
+           <sizepolicy vsizetype="Minimum" hsizetype="Preferred" >
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text" >
+           <string>Computer strength (recursion depth)</string>
+          </property>
+          <property name="buddy" >
+           <cstring>sb_aiStrength</cstring>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer" >
+          <property name="orientation" >
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0" >
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QSpinBox" name="sb_aiStrength" >
+          <property name="alignment" >
+           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+          </property>
+          <property name="minimum" >
+           <number>2</number>
+          </property>
+          <property name="maximum" >
+           <number>7</number>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="1" column="0" >
+    <widget class="QDialogButtonBox" name="buttonBox" >
+     <property name="standardButtons" >
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok|QDialogButtonBox::Reset</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>rb_mode1</tabstop>
+  <tabstop>rb_mode2</tabstop>
+  <tabstop>rb_mode3</tabstop>
+  <tabstop>rb_mode4</tabstop>
+  <tabstop>sb_aiStrength</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>

src/piecelibrary.cpp

@@ -133,6 +133,9 @@ typedef size_t (*Lib3dsIoWriteFunc)(void *self, const void *buffer, size_t size)
 
 	PieceLibrary::PieceLibrary(QObject *parent)
 	: QObject(parent), m_pieces(0), m_buffers(0) {
+		m_board = new QImage*[2];
+		m_board[0] = new QImage(":/media/board2_white.png");
+		m_board[1] = new QImage(":/media/board2_dark.png");
 		m_pawn = read_3ds(loadResource(":/media/pawn.3ds"));
 		setSize(45, 45);
 	}
@@ -141,6 +144,7 @@ typedef size_t (*Lib3dsIoWriteFunc)(void *self, const void *buffer, size_t size)
 		if (m_pawn) lib3ds_file_free(m_pawn);
 		delete [] m_pieces;
 		delete [] m_buffers;
+		delete [] m_board;
 	}
 	
 	void PieceLibrary::setSize(int width, int height) {
@@ -179,6 +183,9 @@ typedef size_t (*Lib3dsIoWriteFunc)(void *self, const void *buffer, size_t size)
 		pt.drawImage(rect, *m_buffers[place-1]);
 	}
 	
+	void PieceLibrary::paint_board(QPainter &pt, bool darkField, const QRect &rect) const {
+		pt.drawImage(rect, *m_board[darkField ? 1 : 0]);
+	}
 	
 	void PieceLibrary::paint_pawn() {
 		glEnableClientState(GL_VERTEX_ARRAY);

src/piecelibrary.h

@@ -42,11 +42,13 @@ namespace toruschess {
 		void paint(QPainter &pt, int place) const;
 		void paint(QPainter &pt, int place, const QRect &rect) const;
 		
+		void paint_board(QPainter &pt, bool darkField, const QRect &rect) const;
+		
 		void paint_pawn();
 		
 	private:
 		QSvgRenderer **m_pieces;
-		QImage **m_buffers;
+		QImage **m_buffers, **m_board;
 		int m_width, m_height;
 		
 		Lib3dsFile *m_pawn;

src/src.pro

@@ -4,7 +4,8 @@ SOURCES += main.cpp \
  field2d.cpp \
  piecelibrary.cpp \
  field3d.cpp \
- ai.cpp
+ ai.cpp \
+ optiondlg.cpp
 TEMPLATE = app
 CONFIG += warn_on \
 	  thread \
@@ -22,7 +23,8 @@ toruschess.h \
  field2d.h \
  piecelibrary.h \
  field3d.h \
- ai.h
+ ai.h \
+ optiondlg.h
 
 LIBS += -l3ds
 
@@ -30,3 +32,5 @@ QMAKE_CXXFLAGS_RELEASE += -g
 
 CONFIG -= release
 
+FORMS += optiondlg.ui
+

src/testgame.cpp

@@ -25,6 +25,9 @@
 #include <QPainter>
 #include <QStatusBar>
 
+#include <QMenuBar>
+#include <QMenu>
+
 #include "field2d.h"
 #include "field3d.h"
 
@@ -32,89 +35,7 @@
 
 namespace toruschess {
 
-	TestPlace::TestPlace(QWidget *parent, const PieceLibrary *lib, const Field *field, const Pos &p)
+	TestGame::TestGame(QWidget *parent) : QMainWindow(parent), m_game(new Game()), m_optionDlg(new OptionDlg(m_game, this)) {
-	: QWidget(parent), m_field(field), m_lib(lib), m_pos(p), m_mark(false) {
-		setMinimumSize(m_lib->minPieceSize());
-	}
-	
-	QSize TestPlace::sizeHint() const {
-		return m_lib->pieceSize();
-	}
-	
-	void TestPlace::paintEvent(QPaintEvent *) {
-		QPainter pt(this);
-		int pl = m_field->place(m_pos);
-		if ((m_pos.x() + m_pos.y()) % 2) {
-			// #D18B47
-			pt.fillRect(rect(), QBrush(QColor(0xD1, 0x8B, 0x47)));
-		} else {
-			// #FFCE9E
-			pt.fillRect(rect(), QBrush(QColor(0xFF, 0xCE, 0x9E)));
-		}
-		m_lib->paint(pt, pl);
-		if (m_mark) {
-			int r = qMax(1, (rect().width() + rect().height()) / 36);
-			pt.setBrush(pl != 0 ? Qt::green : Qt::white);
-			pt.setPen(Qt::red);
-			pt.drawEllipse(QPoint(rect().width() / 2, rect().height() / 2), r, r);
-		}
-	}
-	
-	TestField::TestField(QWidget *parent, PieceLibrary *lib, Game *game) : QWidget(parent), m_lib(lib), m_game(game) {
-		QGridLayout *layout = new QGridLayout();
-		for (int y = 0; y < 8; y++) {
-			for (int x = 0; x < 8; x++) {
-				m_places[x][y] = new TestPlace(this, m_lib, m_game->field(), Pos(x, y));
-				layout->addWidget(m_places[x][y], y, x);
-			}
-		}
-		layout->setSpacing(0);
-		setLayout(layout);
-		show();
-	}
-	
-	void TestField::markMoves(const QList<Move> &moves) {
-		foreach(Move m, m_marked) m_places[m.to().x()][m.to().y()]->hideMark();
-		m_marked = moves;
-		foreach(Move m, m_marked) m_places[m.to().x()][m.to().y()]->showMark();
-		update();
-	}
-	
-	void TestField::resizeEvent(QResizeEvent *event) {
-		m_lib->setSize(event->size().width()/8, event->size().height()/8);
-	}
-	
-	void TestField::mousePressEvent(QMouseEvent *event) {
-		if (event->button() == Qt::LeftButton) {
-			QList<Move> moves;
-			int x = (event->x() * 8) / width();
-			int y = (event->y() * 8) / height();
-			if (x < 0 || x >= 8 || y < 0 || y >= 8) {
-				markMoves(moves);
-			} else {
-				moves = m_game->field()->validMoves(Pos(x, y));
-				markMoves(moves);
-			}
-		}
-	}
-	
-	void TestField::mouseReleaseEvent(QMouseEvent *event) {
-		if (event->button() == Qt::LeftButton) {
-			if (m_marked.size() == 0) return;
-			Pos from = m_marked[0].from();
-			QList<Move> moves;
-			markMoves(QList<Move>());
-			int x = (event->x() * 8) / width();
-			int y = (event->y() * 8) / height();
-			if (x < 0 || x >= 8 || y < 0 || y >= 8) {
-				return;
-			}
-			Move m(m_game->field(), from, Pos(x, y));
-			m_game->move(m);
-		}
-	}
-	
-	TestGame::TestGame(QWidget *parent) : QMainWindow(parent), m_game(new Game()) {
 		setWindowTitle("Torus Chess");
 // 		PieceLibrary *lib = new PieceLibrary(this);
 // 		setCentralWidget(new TestField(this, lib, m_game));
@@ -123,16 +44,34 @@ namespace toruschess {
 		connect(m_game, SIGNAL(updated()), this, SLOT(gameUpdated()));
 		connect(m_game, SIGNAL(changed(GameState)), this, SLOT(gameChanged(GameState)));
 		m_game->restart();
+		
+		QMenuBar *menuBar = new QMenuBar(this);
+		QMenu *menuGame = menuBar->addMenu("Game");
+		menuGame->addAction("New Game", this, SLOT(menuRestart()));
+		menuGame->addAction("Options", this, SLOT(menuOptions()));
+		menuGame->addSeparator();
+		menuGame->addAction("Quit", this, SLOT(close()));
+		setMenuBar(menuBar);
+		
 	}
 	
 	void TestGame::gameUpdated() {
-		if (m_game->state() == TURN_BLACK) {
+/*		if (m_game->state() == TURN_BLACK) {
 			Move m = ai::getMove(m_game);
 			if (m.valid()) m_game->move(m);
-		}
+		}*/
 	}
 	
 	void TestGame::gameChanged(GameState state) {
 		statusBar()->showMessage(state2string(state));
 	}
+	
+	void TestGame::menuRestart() {
+		m_game->restart();
+	}
+	
+	void TestGame::menuOptions() {
+		m_optionDlg->exec();
+	}
+	
 }

src/testgame.h

@@ -28,53 +28,13 @@
 #include "toruschess.h"
 #include "piecelibrary.h"
 
+#include "optiondlg.h"
+
 /**
 	@author Stefan Bühler <stbuehler@web.de>
 */
 namespace toruschess {
 	
-	class TestPlace : public QWidget {
-	Q_OBJECT
-	public:
-		TestPlace(QWidget *parent, const PieceLibrary *lib, const Field *field, const Pos &p);
-	
-		const Pos& pos() const { return m_pos; }
-		const Field* field() const { return m_field; }
-	
-		virtual QSize sizeHint() const;
-		
-		void showMark() { m_mark = true; update(); }
-		void hideMark() { m_mark = false; update(); }
-		
-	protected:
-		virtual void paintEvent(QPaintEvent *event);
-	
-	private:
-		const Field *m_field;
-		const PieceLibrary *m_lib;
-		Pos m_pos;
-		bool m_mark;
-	};
-	
-	class TestField : public QWidget {
-	Q_OBJECT
-	public:
-		TestField(QWidget *parent, PieceLibrary *lib, Game *m_game);
-	
-		void markMoves(const QList<Move> &moves);
-		
-	protected:
-		virtual void resizeEvent(QResizeEvent *event);
-		virtual void mousePressEvent(QMouseEvent *event);
-		virtual void mouseReleaseEvent(QMouseEvent *event);
-	
-	private:
-		PieceLibrary *m_lib;
-		Game *m_game;
-		TestPlace* m_places[8][8];
-		QList<Move> m_marked;
-	};
-	
 	class TestGame : public QMainWindow {
 	Q_OBJECT
 	public:
@@ -83,9 +43,13 @@ namespace toruschess {
 	private slots:
 		void gameUpdated();
 		void gameChanged(GameState state);
+		
+		void menuRestart();
+		void menuOptions();
 	
 	private:
 		Game *m_game;
+		OptionDlg *m_optionDlg;
 	};
 }
 

src/toruschess.cpp

@@ -18,9 +18,18 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #include "toruschess.h"
+#include "ai.h"
 
 namespace toruschess {
 
+	static void init() {
+		static bool done = FALSE;
+		if (done) return;
+		done = TRUE;
+		qRegisterMetaType<Move>("Move");
+		qRegisterMetaType<Pos>("Pos");
+	}
+
 	QString state2string(GameState state) {
 		switch (state) {
 		case TURN_WHITE: return "White's turn";
@@ -318,13 +327,16 @@ namespace toruschess {
 	}
 	
 	Game::Game(QObject *parent)
-	: QObject(parent), m_field(new Field()), m_state(TURN_WHITE) { }
+	: QObject(parent), m_field(new Field()), m_state(TURN_WHITE), m_gameMode(HUMAN_COMPUTER), m_aiStrength(2), m_aiThread(0) {
+		init();
+	}
 
 	Game::~Game() {
 		delete m_field;
 	}
 	
 	bool Game::move(const Move &m) {
+		if (m_aiThread) return false;
 		if (!m.valid()) return false;
 		switch (m_state) {
 		case TURN_WHITE:
@@ -357,6 +369,7 @@ namespace toruschess {
 					}
 				}
 			}
+			checkAI();
 			emit moved(m);
 			emit changed(m_state);
 			emit updated();
@@ -368,6 +381,7 @@ namespace toruschess {
 	void Game::restart() {
 		m_state = TURN_WHITE;
 		m_field->reset();
+		checkAI();
 		emit changed(m_state);
 		emit started();
 		emit updated();
@@ -393,4 +407,81 @@ namespace toruschess {
 		}
 		return moves;
 	}
+	
+	void Game::setGameMode(GameMode gm) {
+		m_gameMode = gm;
+		checkAI();
+		emit changedMode(m_gameMode);
+	}
+	
+	void Game::setAiStrength(int s) {
+		m_aiStrength = qMin(7, qMax(2, s));
+		emit changedAIStrength(m_aiStrength);
+	}
+	
+	void Game::checkAI() {
+		if (m_aiThread) {
+			switch (m_gameMode) {
+			case HUMAN_HUMAN:
+				m_ignoreAI = true;
+				break;
+			case HUMAN_COMPUTER:
+				if (m_state != TURN_BLACK) m_ignoreAI = true;
+				break;
+			case COMPUTER_HUMAN:
+				if (m_state != TURN_WHITE) m_ignoreAI = true;
+				break;
+			case COMPUTER_COMPUTER:
+				break;
+			}
+		} else {
+			Player curp = NOPLAYER;
+			switch (m_state) {
+			case TURN_WHITE:
+				curp = WHITE;
+				break;
+			case TURN_BLACK:
+				curp = BLACK;
+				break;
+			default:
+				return;
+			}
+			switch (m_gameMode) {
+			case HUMAN_HUMAN:
+				return;
+			case HUMAN_COMPUTER:
+				if (m_state != TURN_BLACK) return;
+				break;
+			case COMPUTER_HUMAN:
+				if (m_state != TURN_WHITE) return;
+				break;
+			case COMPUTER_COMPUTER:
+				break;
+			}
+			m_aiThread = new GameAIThread(*m_field, curp, m_aiStrength, this);
+			m_ignoreAI = false;
+			connect(m_aiThread, SIGNAL(aiFinished(Move)), this, SLOT(finishedAI(Move)));
+			m_aiThread->start();
+		}
+	}
+	
+	void Game::finishedAI(Move m) {
+		m_aiThread->wait();
+		delete m_aiThread;
+		m_aiThread = 0;
+		if (!m_ignoreAI) {
+			move(m);
+		}
+		checkAI();
+	}
+	
+	GameAIThread::GameAIThread(const Field &field, Player curp, int depth, QObject *parent)
+	: QThread(parent), m_field(field), m_curp(curp), m_depth(depth) {
+	}
+	
+	void GameAIThread::run() {
+		Move m = ai::getMove(m_field, m_curp, m_depth);
+		emit aiFinished(m);
+	}
+	
 }

src/toruschess.h

@@ -22,6 +22,8 @@
 
 #include <QObject>
 #include <QList>
+#include <QThread>
+#include <QMetaType>
 
 /**
 	@author Stefan Bühler <stbuehler@web.de>
@@ -31,10 +33,12 @@ namespace toruschess {
 	class Pos;
 	class Field;
 	class Game;
-
+	class GameAIThread;
+	
 	typedef enum { BLACK = -1, NOPLAYER = 0, WHITE = 1 } Player;
 	typedef enum { NOPIECE = 0, PAWN = 1, KNIGHT = 2, BISHOP = 3, ROOK = 4, QUEEN = 5, KING = 6 } Piece;
 	typedef enum { TURN_WHITE, TURN_BLACK, WON_WHITE, WON_BLACK, DRAW } GameState;
+	typedef enum { HUMAN_HUMAN, HUMAN_COMPUTER, COMPUTER_HUMAN, COMPUTER_COMPUTER } GameMode;
 
 	inline Player place2player(int place) {
 		return (place < 0) ? BLACK : (place > 0) ? WHITE : NOPLAYER;
@@ -49,7 +53,7 @@ namespace toruschess {
 	class Pos {
 	public:
 		Pos() : m_x(0), m_y(0) { }
-		Pos(int x, int y) : m_x(x % 8), m_y(y % 8) { }
+		Pos(int x, int y) : m_x(x & 7), m_y(y & 7) { }
 		
 		int x() const { return m_x; }
 		int y() const { return m_y; }
@@ -132,19 +136,59 @@ namespace toruschess {
 		
 		QList<Move> possibleMoves() const;
 		
+		GameMode gameMode() const { return m_gameMode; }
+		void setGameMode(GameMode gm);
+		
+		int aiStrength() const { return m_aiStrength; }
+		void setAiStrength(int s);
+		
 	signals:
 		void moved(Move m);
 		void updated();
 		void undone(Move m);
 		void changed(GameState state);
 		void started();
-	
+		
+		void changedMode(GameMode mode);
+		void changedAIStrength(int aiStrength);
+		
+	private slots:
+		void finishedAI(Move m);
+		
 	private:
+		
+		void checkAI();
+		
 		Field *m_field;
 		GameState m_state;
-	
+		GameMode m_gameMode;
+		int m_aiStrength;
+		
 		QList<Move> m_moves;
+		
+		GameAIThread *m_aiThread;
+		bool m_ignoreAI;
 	};
+	
+	class GameAIThread : public QThread {
+	Q_OBJECT
+	public:
+		GameAIThread(const Field &field, Player curp, int depth, QObject *parent = 0);
+		
+		void run();
+	
+	signals:
+		void aiFinished(Move m);
+		
+	private:
+		Field m_field;
+		Player m_curp;
+		int m_depth;
+	};
+	
 }
 
+Q_DECLARE_METATYPE(toruschess::Move)
+Q_DECLARE_METATYPE(toruschess::Pos)
+
 #endif

toruschess.kdevelop

@@ -144,7 +144,7 @@
       <programargs/>
       <directoryradio>executable</directoryradio>
       <globaldebugarguments/>
-      <globalcwd>/home/stefan/studium/7. semester/fapra_vis/src/toruschess</globalcwd>
+      <globalcwd>/home/stefan/develop/toruschess</globalcwd>
       <useglobalprogram>false</useglobalprogram>
       <terminal>false</terminal>
       <autocompile>false</autocompile>
@@ -152,13 +152,13 @@
       <autokdesu>false</autokdesu>
       <envvars/>
       <runarguments>
-        <toruschess></toruschess>
+        <toruschess/>
       </runarguments>
       <cwd>
-        <toruschess>/home/stefan/studium/7. semester/fapra_vis/src/toruschess/..</toruschess>
+        <toruschess>/home/stefan/develop/toruschess</toruschess>
       </cwd>
       <debugarguments>
-        <toruschess></toruschess>
+        <toruschess/>
       </debugarguments>
     </run>
     <general>
@@ -213,7 +213,7 @@
     <QMAKE/>
     <VERSION>0.1</VERSION>
     <YEAR>2009</YEAR>
-    <dest>/home/stefan/studium/7. semester/fapra_vis/src/toruschess</dest>
+    <dest>/home/stefan/develop/toruschess</dest>
   </substmap>
   <cppsupportpart>
     <filetemplates>