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diff --git a/kreversi/Move.cpp b/kreversi/Move.cpp
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+/* Yo Emacs, this -*- C++ -*-
+ *******************************************************************
+ *******************************************************************
+ *
+ *
+ * KREVERSI
+ *
+ *
+ *******************************************************************
+ *
+ * A Reversi (or sometimes called Othello) game
+ *
+ *******************************************************************
+ *
+ * Created 1997 by Mario Weilguni <[email protected]>. This file
+ * is ported from Mats Luthman's <[email protected]> JAVA applet.
+ * Many thanks to Mr. Luthman who has allowed me to put this port
+ * under the GNU GPL. Without his wonderful game engine kreversi
+ * would be just another of those Reversi programs a five year old
+ * child could beat easily. But with it it's a worthy opponent!
+ *
+ * If you are interested on the JAVA applet of Mr. Luthman take a
+ * look at http://www.sylog.se/~mats/
+ *
+ *******************************************************************
+ *
+ * This file is part of the KDE project "KREVERSI"
+ *
+ * KREVERSI 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, or (at your option)
+ * any later version.
+ *
+ * KREVERSI 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 KREVERSI; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ *******************************************************************
+ */
+
+#include "Move.h"
+
+
+SimpleMove::SimpleMove(Color color, int x, int y)
+{
+  m_color = color;
+  m_x     = x;
+  m_y     = y;
+}
+
+
+SimpleMove::SimpleMove(const SimpleMove &move)
+{
+  *this = move;
+}
+
+
+QString SimpleMove::asString() const
+{
+  if (m_x == -1)
+    return QString("pass");
+  else
+    return QString("%1%2").arg(" ABCDEFGH"[m_x]).arg(" 12345678"[m_y]);
+}
+
+
+// ================================================================
+
+
+Move::Move()
+  : SimpleMove()
+{
+  m_turnedPieces.clear();
+}
+
+
+Move::Move(Color color, int x, int y)
+  : SimpleMove(color, x, y)
+{
+  m_turnedPieces.clear();
+}
+
+
+Move::Move(const Move &move)
+  : SimpleMove((SimpleMove&) move)
+{
+  m_turnedPieces.clear();
+}
+
+
+Move::Move(const SimpleMove &move)
+  : SimpleMove(move)
+{
+  m_turnedPieces.clear();
+}
+
+
+// ----------------------------------------------------------------
+
+
+bool Move::squareModified(uint x, uint y) const
+{
+  return (m_x == (int) x && m_y == (int) y) || wasTurned(x, y);
+}
+
+
+bool Move::wasTurned(uint x, uint y) const
+{
+  // findIndex returns the first index where the item is found, or -1
+  // if not found.
+  return (m_turnedPieces.findIndex(10 * x + y) != -1);
+}