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[xplane] Added display of simulation time ratio in simulator component

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This commit is contained in:
Mat Sutcliffe
2020-01-12 17:34:48 +00:00
parent c88b05a734
commit 35cfaebc7d
9 changed files with 79 additions and 19 deletions
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46
src/xswiftbus/service.cpp
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@@ -30,33 +30,48 @@ namespace XSwiftBus
DataRef<xplane::data::sim::time::framerate_period> m_thisFramePeriodXP11;
std::vector<float> m_samples;
float m_total = 0;
float m_totalOverBudget = 0;
size_t m_lastSampleIndex = 0;
static constexpr size_t c_maxSampleCount = 500;
static constexpr float c_framePeriodBudget = 0.05f;
FramePeriodSampler() : CDrawable(xplm_Phase_LastCockpit, false) {}
float getAverageFPS()
std::pair<float, float> getFrameStats()
{
if (m_total == 0) { return 0; }
if (m_total == 0) { return {}; }
const float fps = m_samples.size() / m_total;
const float ratio = 1 - m_totalOverBudget / m_total;
m_total = 0;
m_totalOverBudget = 0;
m_samples.clear();
m_lastSampleIndex = 0;
return fps;
return { fps, ratio };
}
protected:
virtual void draw() override // called once per frame
{
float current = m_thisFramePeriodXP11.isValid() ? m_thisFramePeriodXP11.get() : m_thisFramePeriod.get();
++m_lastSampleIndex %= c_maxSampleCount;
if (m_samples.size() == c_maxSampleCount)
{
m_total -= m_samples[m_lastSampleIndex];
m_samples[m_lastSampleIndex] = current;
auto& oldSample = m_samples[m_lastSampleIndex];
m_total -= oldSample;
if (oldSample > c_framePeriodBudget)
{
m_totalOverBudget -= oldSample - c_framePeriodBudget;
}
oldSample = current;
}
else { m_samples.push_back(current); }
m_total += m_samples[m_lastSampleIndex];
m_total += current;
if (current > c_framePeriodBudget)
{
m_totalOverBudget += current - c_framePeriodBudget;
}
}
};
@@ -95,10 +110,11 @@ namespace XSwiftBus
return XSWIFTBUS_COMMIT;
}
double CService::getAverageFPS()
std::pair<double, double> CService::getFrameStats()
{
if (!m_framePeriodSampler) { return 0; }
return static_cast<double>(m_framePeriodSampler->getAverageFPS());
if (!m_framePeriodSampler) { return {}; }
const auto result = m_framePeriodSampler->getFrameStats();
return { static_cast<double>(result.first), static_cast<double>(result.second) };
}
void CService::addTextMessage(const std::string &text, double red, double green, double blue)
@@ -547,6 +563,18 @@ namespace XSwiftBus
sendDBusReply(sender, serial, isUsingRealTime());
});
}
else if (message.getMethodName() == "getFrameStats")
{
queueDBusCall([ = ]()
{
const auto stats = getFrameStats();
CDBusMessage reply = CDBusMessage::createReply(sender, serial);
reply.beginArgumentWrite();
reply.appendArgument(stats.first);
reply.appendArgument(stats.second);
sendDBusMessage(reply);
});
}
else if (message.getMethodName() == "getLatitudeDeg")
{
queueDBusCall([ = ]()