Rearranging files

common/frame_rate.cpp

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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.
+*/
+#include "frame_rate.hpp"
+
+#include <chrono>
+
+typedef std::chrono::high_resolution_clock Clock;
+
+static int frameCount = 0;
+static int lastFrameRate = 0;
+static Clock::time_point tick = Clock::now();
+
+int clockFrameRate() {
+	frameCount++;
+	if (Clock::now() - tick >= std::chrono::duration<int>(1)) {
+		lastFrameRate = frameCount;
+		frameCount = 0;
+		tick = Clock::now();
+	}
+	return lastFrameRate;
+}
+
+int getFrameRate() {
+	return lastFrameRate;
+}