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SpaceCadetPinball
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Merge from classic: better frame time tool, negative sleep remainder.

This commit is contained in:
Muzychenko Andrey 2021-11-18 12:11:25 +03:00
parent 200a7dbf79
commit 545af17b3b
1 changed files with 8 additions and 13 deletions
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21
SpaceCadetPinball/winmain.cpp
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@ -237,7 +237,7 @@ int winmain::WinMain(LPCSTR lpCmdLine)
if (DispGRhistory)
{
auto width = 300;
auto height = 64;
auto height = 64, halfHeight = height / 2;
if (!gfr_display)
{
gfr_display = new gdrv_bitmap8(width, height, false);
@ -245,18 +245,14 @@ int winmain::WinMain(LPCSTR lpCmdLine)
}
gdrv::ScrollBitmapHorizontal(gfr_display, -1);
gdrv::fill_bitmap(gfr_display, 1, halfHeight, width - 1, 0, ColorRgba::Black()); // Background
gdrv::fill_bitmap(gfr_display, 1, halfHeight, width - 1, halfHeight, ColorRgba::White()); // Target
auto target = static_cast<float>(TargetFrameTime.count());
auto scale = height / target / 2;
gdrv::fill_bitmap(gfr_display, 1, height, width - 1, 0, ColorRgba::Black()); // Background
auto targetVal = dt < target ? dt : target;
auto targetHeight = std::min(static_cast<int>(std::round(targetVal * scale)), height);
gdrv::fill_bitmap(gfr_display, 1, targetHeight, width - 1, height - targetHeight, ColorRgba::White()); // Target
auto diffVal = dt < target ? target - dt : dt - target;
auto diffHeight = std::min(static_cast<int>(std::round(diffVal * scale)), height);
gdrv::fill_bitmap(gfr_display, 1, diffHeight, width - 1, height - targetHeight - diffHeight, ColorRgba::Red()); // Target diff
auto scale = halfHeight / target;
auto diffHeight = std::min(static_cast<int>(std::round(std::abs(target - dt) * scale)), halfHeight);
auto yOffset = dt < target ? halfHeight : halfHeight - diffHeight;
gdrv::fill_bitmap(gfr_display, 1, diffHeight, width - 1, yOffset, ColorRgba::Red()); // Target diff
}
updateCounter++;
}
@ -294,15 +290,14 @@ int winmain::WinMain(LPCSTR lpCmdLine)
{
std::this_thread::sleep_for(targetTimeDelta);
frameEnd = Clock::now();
sleepRemainder = DurationMs(frameEnd - updateEnd) - targetTimeDelta;
}
else
{
frameEnd = updateEnd;
sleepRemainder = DurationMs(0);
}
// Limit duration to 2 * target time
sleepRemainder = std::max(std::min(DurationMs(frameEnd - updateEnd) - targetTimeDelta, TargetFrameTime), -TargetFrameTime);
frameDuration = std::min<DurationMs>(DurationMs(frameEnd - frameStart), 2 * TargetFrameTime);
frameStart = frameEnd;
UpdateToFrameCounter++;