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Fixed off by one in frame time tool.

This commit is contained in:
Muzychenko Andrey 2021-11-13 15:48:16 +03:00
parent 585a2f7113
commit bbbdb2d9d4
1 changed files with 7 additions and 12 deletions
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19
SpaceCadetPinball/winmain.cpp
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@ -290,25 +290,20 @@ int winmain::WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
if (DispGRhistory)
{
auto width = render::vscreen.Width / 2;
auto height = 64;
auto height = 64, halfHeight = height / 2;
if (!gfr_display.BmpBufPtr1)
{
gdrv::create_bitmap(&gfr_display, width, height);
}
gdrv::ScrollBitmapHorizontal(&gfr_display, -1);
gdrv::fill_bitmap(&gfr_display, 1, halfHeight, width - 1, 0, 0); // Background
gdrv::fill_bitmap(&gfr_display, 1, halfHeight, width - 1, halfHeight, -1); // Target
float target = TargetFrameTime;
auto scale = height / target / 2;
gdrv::fill_bitmap(&gfr_display, 1, height, width - 1, 0, 0); // Background
auto targetVal = dt < target ? dt : target;
auto targetHeight = min(static_cast<int>(std::floor(targetVal * scale)), height);
gdrv::fill_bitmap(&gfr_display, 1, targetHeight, width - 1, height - targetHeight, -1); // Target
auto diffVal = dt < target ? target - dt : dt - target;
auto diffHeight = min(static_cast<int>(std::floor(diffVal * scale)), height);
gdrv::fill_bitmap(&gfr_display, 1, diffHeight, width - 1, height - targetHeight - diffHeight, 1); // Target diff
auto scale = halfHeight / TargetFrameTime;
auto diffHeight = min(static_cast<int>(std::round(std::abs(TargetFrameTime - dt) * scale)), halfHeight);
auto yOffset = dt < TargetFrameTime ? halfHeight : halfHeight - diffHeight;
gdrv::fill_bitmap(&gfr_display, 1, diffHeight, width - 1, yOffset, 1); // Target diff
gdrv::blit(&gfr_display, 0, 0, render::vscreen.Width - width, 0, width, height);
}