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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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 NODEBASE_H
+#define NODEBASE_H
+
+#include <string>
+#include <cstdlib>
+#include "Node.h"
+using std::string;
+
+namespace Om {
+
+class Plugin;
+class Patch;
+namespace Shared {
+ class ClientInterface;
+} using Shared::ClientInterface;
+
+
+/** Common implementation stuff for Node.
+ *
+ * Pretty much just attributes and getters/setters are here.
+ *
+ * \ingroup engine
+ */
+class NodeBase : public Node
+{
+public:
+ NodeBase(const string& name, size_t poly, Patch* parent, samplerate srate, size_t buffer_size);
+
+ virtual ~NodeBase();
+
+ virtual void activate();
+ virtual void deactivate();
+ bool activated() { return m_activated; }
+
+ virtual void run(size_t nframes);
+
+ virtual void set_port_buffer(size_t voice, size_t port_num, void* buf) {}
+
+ virtual void add_to_patch() {}
+ virtual void remove_from_patch() {}
+
+ void add_to_store();
+ void remove_from_store();
+
+ //void send_creation_messages(ClientInterface* client) const;
+
+ size_t num_ports() const { return m_num_ports; }
+ size_t poly() const { return m_poly; }
+ bool traversed() const { return m_traversed; }
+ void traversed(bool b) { m_traversed = b; }
+
+ const Array<Port*>& ports() const { return m_ports; }
+
+ virtual List<Node*>* providers() { return m_providers; }
+ virtual void providers(List<Node*>* l) { m_providers = l; }
+
+ virtual List<Node*>* dependants() { return m_dependants; }
+ virtual void dependants(List<Node*>* l) { m_dependants = l; }
+
+ Patch* parent_patch() const { return (m_parent == NULL) ? NULL : m_parent->as_patch(); }
+
+ virtual const Plugin* plugin() const { exit(EXIT_FAILURE); }
+ virtual void plugin(const Plugin* const pi) { exit(EXIT_FAILURE); }
+
+ void set_path(const Path& new_path);
+
+protected:
+ // Disallow copies (undefined)
+ NodeBase(const NodeBase&);
+ NodeBase& operator=(const NodeBase&);
+
+ size_t m_poly;
+
+ samplerate m_srate;
+ size_t m_buffer_size;
+ bool m_activated;
+
+ size_t m_num_ports; // number of ports PER VOICE
+ Array<Port*> m_ports;
+
+ bool m_traversed;
+ List<Node*>* m_providers; // Nodes connected to this one's input ports
+ List<Node*>* m_dependants; // Nodes this one's output ports are connected to
+};
+
+
+} // namespace Om
+
+#endif // NODEBASE_H