First

include/tl/chrono.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "tl/detail/prologue.h"
+#include <EASTL/chrono.h>
+
+namespace tl
+{
+using namespace eastl;
+
+
+namespace chrono
+{
+
+using namespace eastl::chrono;
+
+template <typename Clock>
+class TL_API chrono final
+{
+public:
+	//! Reset the internal time stamp. If you specify an elapsed time offset it will affect directly to getElapsed.
+	void reset(typename Clock::duration elapsed_offset = Clock::duration::zero()) noexcept
+	{
+		m_start_time_point = Clock::now() + elapsed_offset;
+	}
+
+	//! Return the time passed between the last Reset call and now.
+	typename Clock::duration get_elapsed() const noexcept
+	{
+		return Clock::now() - m_start_time_point;
+	}
+
+	//! Return the time passed between the last Reset call and now and then Reset the Clock.
+	typename Clock::duration get_elapsed_and_reset() noexcept
+	{
+		auto now = Clock::now();
+		auto d = now - m_start_time_point;
+		m_start_time_point = now;
+		return d;
+	}
+
+private:
+	typename Clock::time_point m_start_time_point = Clock::now();
+};
+
+using system_chrono = chrono<eastl::chrono::system_clock>;
+using high_resolution_chrono = chrono<eastl::chrono::high_resolution_clock>;
+
+}
+}