56 lines
723 B
C++
56 lines
723 B
C++
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#include <Spectre/Game/FPSCounter.h>
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#include <Spectre/System/System.h>
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namespace sp {
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FPSCounter::FPSCounter() :
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m_fps (60.0f)
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{
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m_updateRate = Time::seconds(2);
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reset();
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}
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void FPSCounter::addFrame()
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{
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m_count++;
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}
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float FPSCounter::getFPS() const
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{
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return m_fps;
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}
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void FPSCounter::setUpdateRate(unsigned int rate)
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{
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// Clamp to 1.
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if (rate < 1) {
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rate = 1;
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}
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m_updateRate = Time::seconds(rate);
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// Must reset the counter.
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reset();
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}
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bool FPSCounter::update()
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{
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Time elapsed = m_watch.elapsed();
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if (elapsed >= m_updateRate) {
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m_fps = m_count / elapsed.seconds();
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reset();
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return true;
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}
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return false;
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}
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void FPSCounter::reset()
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{
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m_watch.restart();
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m_count = 0;
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}
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} // namespace sp
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