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+/**
+ Copyright (c) 2016 Mariano Gonzalez
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+*/
+
+#ifndef spp_timer_h_guard
+#define spp_timer_h_guard
+
+#include <chrono>
+
+namespace spp
+{
+ template<typename time_unit = std::milli>
+ class Timer
+ {
+ public:
+ Timer() { reset(); }
+ void reset() { _start = _snap = clock::now(); }
+ void snap() { _snap = clock::now(); }
+
+ float get_total() const { return get_diff<float>(_start, clock::now()); }
+ float get_delta() const { return get_diff<float>(_snap, clock::now()); }
+
+ private:
+ using clock = std::chrono::high_resolution_clock;
+ using point = std::chrono::time_point<clock>;
+
+ template<typename T>
+ static T get_diff(const point& start, const point& end)
+ {
+ using duration_t = std::chrono::duration<T, time_unit>;
+
+ return std::chrono::duration_cast<duration_t>(end - start).count();
+ }
+
+ point _start;
+ point _snap;
+ };
+}
+
+#endif // spp_timer_h_guard