Basic connection between server and unit

server/delta.hpp

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+/* Copyright: (c) Kayne Ruse 2013
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#ifndef DELTA_HPP_
+#define DELTA_HPP_
+
+#include <ctime>
+
+class Delta {
+public:
+	Delta() {
+		time = tick = 0;
+	}
+	int Calculate() {
+		int c = clock();
+		time = c - tick;
+		tick = c;
+		return time;
+	}
+	int GetDelta() const {
+		return time;
+	};
+private:
+	int time, tick;
+};
+
+#endif