1 files changed, 104 insertions, 0 deletions
diff --git a/src/engine/Node.cpp b/src/engine/Node.cpp
new file mode 100644
index 0000000..def7a70
--- /dev/null
+++ b/src/engine/Node.cpp
@@ -0,0 +1,104 @@
+/* This file is part of Machina.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Machina 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.
+ * 
+ * Machina 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 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
+ */
+
+#include <cassert>
+#include "machina/Node.hpp"
+#include "machina/Edge.hpp"
+
+namespace Machina {
+
+
+Node::Node(FrameCount duration, bool initial)
+	: _is_initial(initial)
+	, _is_active(false)
+	, _enter_time(0)
+	, _duration(duration)
+	, _enter_action(NULL)
+	, _exit_action(NULL)
+{
+}
+
+
+void
+Node::add_enter_action(Action* action)
+{
+	assert(!_enter_action);
+	_enter_action = action;
+}
+
+
+void
+Node::remove_enter_action(Action* /*action*/)
+{
+	_enter_action = NULL;
+}
+
+
+
+void
+Node::add_exit_action(Action* action)
+{
+	assert(!_exit_action);
+	_exit_action = action;
+}
+
+
+void
+Node::remove_exit_action(Action* /*action*/)
+{
+	_exit_action = NULL;
+}
+
+
+void
+Node::enter(Timestamp time)
+{
+	_is_active = true;
+	_enter_time = time;
+	if (_enter_action)
+		_enter_action->execute(time);
+}
+
+
+void
+Node::exit(Timestamp time)
+{
+	if (_exit_action)
+		_exit_action->execute(time);
+	_is_active = false;
+	_enter_time = 0;
+}
+
+
+void
+Node::add_outgoing_edge(SharedPtr<Edge> edge)
+{
+	assert(edge->src().lock().get() == this);
+	
+	_outgoing_edges.push_back(edge);
+}
+
+
+void
+Node::remove_outgoing_edge(SharedPtr<Edge> edge)
+{
+	_outgoing_edges.erase(_outgoing_edges.find(edge));
+}
+
+
+} // namespace Machina
+