initial runloop implementation

[chaz/yoink] / src / moof / application.hh

diff --git a/src/moof/application.hh b/src/moof/application.hh
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+
+/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
+**]  All rights reserved.
+*
+* vi:ts=4 sw=4 tw=75
+*
+* Distributable under the terms and conditions of the 2-clause BSD license;
+* see the file COPYING for a complete text of the license.
+*
+**************************************************************************/
+
+#ifndef _MOOF_APPLICATION_HH_
+#define _MOOF_APPLICATION_HH_
+
+/**
+ * \file application.hh
+ * The main loop.
+ */
+
+#include <boost/noncopyable.hpp>
+
+#include <moof/event.hh>
+#include <moof/math.hh>
+#include <moof/runloop.hh>
+#include <moof/timer.hh>
+
+
+namespace moof {
+
+
+class settings;
+
+class application : public runloop
+{
+public:
+
+       application(settings& settings);
+       virtual ~application() {}
+
+       virtual void update(scalar t, scalar dt) = 0;
+       virtual void draw(scalar alpha) const = 0;
+       virtual void handle_event(const event& event) = 0;
+
+
+private:
+
+       void dispatch_update(timer& timer, scalar t);
+       void dispatch_draw(timer& timer, scalar t);
+
+       scalar  next_update_;
+       scalar  total_time_;
+
+       timer   update_timer_;
+       timer   draw_timer_;
+
+
+       scalar  timestep_;
+       scalar  inverse_timestep_;
+};
+
+
+} // namespace moof
+
+#endif // _MOOF_APPLICATION_HH_
+