mirror of
https://github.com/seekrs/MacroLibX.git
synced 2026-01-11 22:53:34 +00:00
45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* fps.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/01/18 14:56:17 by maldavid #+# #+# */
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/* Updated: 2024/01/18 15:20:03 by maldavid ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <core/fps.h>
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#include <chrono>
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#include <SDL2/SDL.h>
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#include <thread>
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namespace mlx
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{
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void FpsManager::init()
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{
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_timer = SDL_GetTicks64();
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_fps_before = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count());
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_fps_now = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count());
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}
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bool FpsManager::update()
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{
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using namespace std::chrono_literals;
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_fps_now = static_cast<uint64_t>(std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count());
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if(SDL_GetTicks64() - _timer > 1000)
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_timer += 1000;
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_fps_elapsed_time = _fps_now - _fps_before;
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if(_fps_elapsed_time >= _ns)
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{
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_fps_before += _ns;
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return true;
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}
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std::this_thread::sleep_for(std::chrono::duration<double, std::nano>(_ns));
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return false;
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}
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}
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