From 223672dd2445a6fd5f1a984823c1e926da316f41 Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 20 Jan 2007 02:35:34 +0000 Subject: Added Machina. Moved some Jack and RDF functionality down to RAUL from Ingen, for use by Machina. git-svn-id: http://svn.drobilla.net/lad/machina@263 a436a847-0d15-0410-975c-d299462d15a1 --- src/Node.hpp | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/Node.hpp (limited to 'src/Node.hpp') diff --git a/src/Node.hpp b/src/Node.hpp new file mode 100644 index 0000000..353cbc2 --- /dev/null +++ b/src/Node.hpp @@ -0,0 +1,74 @@ +/* This file is part of Machina. Copyright (C) 2007 Dave Robillard. + * + * 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef MACHINA_NODE_HPP +#define MACHINA_NODE_HPP + +#include +#include +#include "types.hpp" +#include "Action.hpp" + +namespace Machina { + +class Edge; + + +/** A node is a state (as in a FSM diagram), or "note". + * + * It contains a action, as well as a duration and pointers to it's + * successors (states/nodes that (may) follow it). + */ +class Node : public boost::noncopyable { +public: + Node(FrameCount duration=0); + + void add_enter_action(Action* action); + void remove_enter_action(Action* action); + + void add_exit_action(Action* action); + void remove_exit_action(Action* action); + + void enter(Timestamp time); + void exit(Timestamp time); + + void add_outgoing_edge(Edge* edge); + void remove_outgoing_edge(Edge* edge); + + Timestamp process(Timestamp time, FrameCount nframes); + + bool is_active() const { return _is_active; } + Timestamp start_time() const { return _start_time; } + Timestamp end_time() const { return _start_time + _duration; } + FrameCount duration() { return _duration; } + void set_duration(FrameCount d) { _duration = d; } + + typedef std::list EdgeList; + const EdgeList& outgoing_edges() const { return _outgoing_edges; } + +private: + bool _is_active; + Timestamp _start_time; ///< valid iff _is_active + FrameCount _duration; + Action* _enter_action; + Action* _exit_action; + EdgeList _outgoing_edges; +}; + + +} // namespace Machina + +#endif // MACHINA_NODE_HPP -- cgit v1.2.1