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https://github.com/MaSzyna-EU07/maszyna.git
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74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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namespace Timer {
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double GetTime();
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double GetDeltaTime();
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double GetDeltaRenderTime();
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void set_delta_override(double v);
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void ResetTimers();
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void UpdateTimers(bool pause);
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class stopwatch {
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public:
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// constructors
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stopwatch() = default;
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// methods
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void
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start() {
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m_start = std::chrono::steady_clock::now(); }
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std::chrono::duration<float, std::milli>
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stop() {
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m_last = std::chrono::duration_cast<std::chrono::microseconds>( ( std::chrono::steady_clock::now() - m_start ) );
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m_accumulator = 0.95f * m_accumulator + m_last.count() / 1000.f;
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return m_last;
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}
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float
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average() const {
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return m_accumulator / 20.f;}
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std::chrono::microseconds
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last() const {
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return m_last;
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}
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private:
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// members
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std::chrono::time_point<std::chrono::steady_clock> m_start { std::chrono::steady_clock::now() };
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float m_accumulator { 1000.f / 30.f * 20.f }; // 20 last samples, initial 'neutral' rate of 30 fps
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std::chrono::microseconds m_last;
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};
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struct subsystem_stopwatches {
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stopwatch gfx_total;
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stopwatch gfx_color;
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stopwatch gfx_shadows;
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stopwatch gfx_reflections;
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stopwatch gfx_swap;
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stopwatch gfx_gui;
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stopwatch sim_total;
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stopwatch sim_dynamics;
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stopwatch sim_events;
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stopwatch sim_ai;
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stopwatch mainloop_total;
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};
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extern subsystem_stopwatches subsystem;
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};
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//---------------------------------------------------------------------------
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