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diff --git a/src/utils/speedconv.h b/src/utils/speedconv.h
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+/*
+ *  The Mana Server
+ *  Copyright (C) 2004-2010  The Mana World Development Team
+ *
+ *  This file is part of The Mana Server.
+ *
+ *  The Mana Server 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
+ *  any later version.
+ *
+ *  The Mana Server 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 The Mana Server.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SPEEDCONV_H
+#define SPEEDCONV_H
+
+// Simple helper functions for converting between tiles per
+// second and the internal speed representation
+
+#include "defines.h"
+
+namespace utils {
+    /**
+     * tpsToSpeed()
+     * @param tps The speed value in tiles per second
+     * @returns The speed value in the internal representation
+     */
+    double tpsToSpeed(double);
+    /**
+     * speedToTps()
+     * @param speed The speed value in the internal representation
+     * @returns The speed value in tiles per second
+     */
+    double speedToTps(double);
+}
+
+#endif // SPEEDCONV_H