1 files changed, 163 insertions, 0 deletions
diff --git a/history.cpp b/history.cpp
new file mode 100644
index 0000000..745dc3e
--- /dev/null
+++ b/history.cpp
@@ -0,0 +1,163 @@
+/*
+ * Spider-Arachnid: A plugin for the Video Disk Recorder
+ *
+ * Copyright (C) 2005-2007, Thomas Günther <tom@toms-cafe.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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * $Id: history.cpp 94 2007-09-20 23:43:48Z tom $
+ */
+
+#include "history.h"
+#include "deck.h"
+#include "heap.h"
+
+
+/** --- class History ------------------------------------------------------ **/
+
+/** Constructor */
+History::History()
+{
+  executed = 0;
+}
+
+/** Destructor */
+History::~History()
+{
+  for (unsigned int pos = history.size(); pos > 0; --pos)
+  {
+    // Remove object created outside of History
+    delete history.back();
+    history.pop_back();
+  }
+}
+
+/** Current move in the history */
+Move* History::current()
+{
+  return history[executed - 1];
+}
+
+/** Add a new move */
+void History::add(Move* move)
+{
+  for (unsigned int pos = history.size(); pos > executed; --pos)
+  {
+    // Remove object created outside of History
+    delete history.back();
+    history.pop_back();
+  }
+  history.push_back(move);
+  ++executed;
+}
+
+/** Set previous move as current */
+void History::backward()
+{
+  if (movesExecuted())
+    --executed;
+}
+
+/** Set next move as current */
+void History::forward()
+{
+  if (movesToExecute())
+    ++executed;
+}
+
+/** Are there executed moves in the history */
+bool History::movesExecuted()
+{
+  return executed > 0;
+}
+
+/** Are there moves to execute in the history */
+bool History::movesToExecute()
+{
+  return executed < history.size();
+}
+
+
+/** --- class DealMove ----------------------------------------------------- **/
+
+/** Constructor */
+DealMove::DealMove(Pack* s, Piles& d) :
+  source(s), destination(d)
+{
+}
+
+/** Do the move */
+void DealMove::execute()
+{
+  source->deal(destination);
+}
+
+/** Redo the move */
+void DealMove::takeBack()
+{
+  source->takeBackDeal(destination);
+}
+
+
+/** --- class NormalMove --------------------------------------------------- **/
+
+/** Constructor */
+NormalMove::NormalMove(Pile* s, Pile* d, int c, bool t) :
+  source(s), destination(d), count(c), turn(t)
+{
+}
+
+/** Do the move */
+void NormalMove::execute()
+{
+  source->moveTo(destination, count);
+  if (turn)
+    source->turn();
+}
+
+/** Redo the move */
+void NormalMove::takeBack()
+{
+  if (turn)
+    source->turn();
+  destination->moveTo(source, count);
+}
+
+
+/** --- class FinalMove ---------------------------------------------------- **/
+
+/** Constructor */
+FinalMove::FinalMove(Pile* s, FinalHeap* d, int c, bool t, bool b) :
+  source(s), destination(d), count(c), turn(t), bonus(b)
+{
+}
+
+/** Do the move */
+void FinalMove::execute()
+{
+  source->moveTo(destination, count);
+  if (turn)
+    source->turn();
+  destination->setBonus(bonus);
+}
+
+/** Redo the move */
+void FinalMove::takeBack()
+{
+  destination->setBonus(false);
+  if (turn)
+    source->turn();
+  destination->moveTo(source, count);
+}