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+/*
+ * Spider-Arachnid: A plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id$
+ */
+
+#ifndef VDR_SPIDER_HISTORY_H
+#define VDR_SPIDER_HISTORY_H
+
+#include "spider.h"
+class Pack;
+class Pile;
+typedef Array<Pile*> Piles;
+class FinalHeap;
+class Move;
+typedef Vector<Move*> Moves;
+
+
+/** --- class History ------------------------------------------------------ **/
+
+class History
+{
+private:
+  Moves history;
+  unsigned int executed;
+
+public:
+
+  /** Constructor */
+  History();
+
+  /** Destructor */
+  ~History();
+
+  /** Current move in the history */
+  Move* current();
+
+  /** Add a new move */
+  void add(Move* move);
+
+  /** Set previous move as current */
+  void backward();
+
+  /** Set next move as current */
+  void forward();
+
+  /** Are there executed moves in the history */
+  bool movesExecuted();
+
+  /** Are there moves to execute in the history */
+  bool movesToExecute();
+};
+
+
+/** --- base class Move ---------------------------------------------------- **/
+
+class Move
+{
+public:
+
+  /** Do the move */
+  virtual void execute() = 0;
+
+  /** Redo the move */
+  virtual void takeBack() = 0;
+};
+
+
+/** --- class DealMove ----------------------------------------------------- **/
+
+class DealMove : public Move
+{
+private:
+  Pack* source;
+  Piles& destination;
+
+public:
+
+  /** Constructor */
+  DealMove(Pack* s, Piles& d);
+
+  /** Do the move */
+  void execute();
+
+  /** Redo the move */
+  void takeBack();
+};
+
+
+/** --- class NormalMove --------------------------------------------------- **/
+
+class NormalMove : public Move
+{
+private:
+  Pile* source;
+  Pile* destination;
+  int count;
+  bool turn;
+
+public:
+
+  /** Constructor */
+  NormalMove(Pile* s, Pile* d, int c, bool t);
+
+  /** Do the move */
+  void execute();
+
+  /** Redo the move */
+  void takeBack();
+};
+
+
+/** --- class FinalMove ---------------------------------------------------- **/
+
+class FinalMove : public Move
+{
+private:
+  Pile* source;
+  FinalHeap* destination;
+  int count;
+  bool turn;
+  bool bonus;
+
+public:
+
+  /** Constructor */
+  FinalMove(Pile* s, FinalHeap* d, int c, bool t, bool b);
+
+  /** Do the move */
+  void execute();
+
+  /** Redo the move */
+  void takeBack();
+};
+
+#endif // VDR_SPIDER_HISTORY_H