added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / sim / sim.hpp

diff --git a/src/3dengfx/src/sim/sim.hpp b/src/3dengfx/src/sim/sim.hpp
new file mode 100644 (file)
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--- /dev/null
+++ b/src/3dengfx/src/sim/sim.hpp
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+/*
+This file is part of the simulation module of 3dengfx.
+
+Copyright (c) 2005 John Tsiombikas <nuclear@siggraph.org>
+
+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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* provides a basic framework for running time-based simulations
+ *
+ * Author: John Tsiombikas 2005
+ */
+
+#ifndef _SIM_HPP_
+#define _SIM_HPP_
+
+#include "n3dmath2/n3dmath2.hpp"
+#include "common/timer.h"
+
+#define SIM_STD_TIMESLICE      1.0 / 30.0
+
+class Simulation {
+private:
+       scalar_t timeslice;             // time between two updates (in seconds)
+       scalar_t prev_update;
+       ntimer timer;
+
+protected:
+       virtual void run(unsigned long msec) = 0;       // override this
+
+public:
+       Simulation(scalar_t timeslice = SIM_STD_TIMESLICE);
+       virtual ~Simulation();
+
+       void start();
+       void stop();
+       void reset();
+
+       void update();
+       void update(unsigned long msec);        // overrides dedicated timer
+};
+       
+
+#endif // _SIM_HPP_