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Add skip detection when timestamping is on

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(could be split off)
This commit is contained in:
Glenn Maynard
2003-03-15 02:44:54 +00:00
parent 9be16c8dbe
commit 7f8e3b3886
1 changed files with 100 additions and 6 deletions
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stepmania/src/ScreenManager.cpp
+100 -6
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@@ -37,6 +37,8 @@ ScreenManager* SCREENMAN = NULL; // global and accessable from anywhere in our p
#define CREDITS_SHADOW_LENGTH THEME->GetMetricF("ScreenManager","CreditsShadowLength")
#define CREDITS_ZOOM THEME->GetMetricF("ScreenManager","CreditsZoom")
const int NUM_SKIPS = 5;
/* This screen is drawn on top of everything else, and receives updates,
* but not input. */
class ScreenSystemLayer: public Screen
@@ -45,6 +47,12 @@ class ScreenSystemLayer: public Screen
BitmapText m_textSystemMessage;
BitmapText m_textCreditInfo[NUM_PLAYERS];
BitmapText m_textSysTime;
BitmapText m_Skips[NUM_SKIPS];
int m_LastSkip;
Quad m_SkipBackground;
RageTimer SkipTimer;
void UpdateTimestampAndSkips();
public:
ScreenSystemLayer();
@@ -90,6 +98,35 @@ ScreenSystemLayer::ScreenSystemLayer()
m_textCreditInfo[p].SetShadowLength( CREDITS_SHADOW_LENGTH );
this->AddChild(&m_textCreditInfo[p]);
}
/* "Was that a skip?" This displays a message when an update takes
* abnormally long, to quantify skips more precisely, verify them
* when they're subtle, and show the time it happened, so you can pinpoint
* the time in the log. Put a dim quad behind it to make it easier to
* read. */
m_LastSkip = 0;
const float SKIP_LEFT = 320.0f, SKIP_TOP = 60.0f,
SKIP_WIDTH = 160.0f, SKIP_Y_DIST = 16.0f;
m_SkipBackground.StretchTo(RectF(SKIP_LEFT-8, SKIP_TOP-8,
SKIP_LEFT+SKIP_WIDTH, SKIP_TOP+SKIP_Y_DIST*NUM_SKIPS));
m_SkipBackground.SetDiffuse( RageColor(0,0,0,0) );
this->AddChild(&m_SkipBackground);
for( int i=0; i<NUM_SKIPS; i++ )
{
/* This is somewhat big. Let's put it on the right side, where it'll
* obscure the 2P side during gameplay; there's nowhere to put it that
* doesn't obscure something, and it's just a diagnostic. */
m_Skips[i].LoadFromFont( THEME->GetPathTo("Fonts","normal") );
m_Skips[i].SetXY( SKIP_LEFT, SKIP_TOP + SKIP_Y_DIST*i );
m_Skips[i].SetHorizAlign( Actor::align_left );
m_Skips[i].SetVertAlign( Actor::align_top );
m_Skips[i].SetZoom( 0.5f );
m_Skips[i].SetDiffuse( RageColor(1,1,1,0) );
m_Skips[i].EnableShadow(false);
this->AddChild(&m_Skips[i]);
}
}
void ScreenSystemLayer::SystemMessage( CString sMessage )
@@ -138,6 +175,68 @@ void ScreenSystemLayer::RefreshCreditsMessages()
}
}
void ScreenSystemLayer::UpdateTimestampAndSkips()
{
if(!PREFSMAN->m_bTimestamping)
{
/* Hide: */
m_textSysTime.SetDiffuse( RageColor(1,1,1,0) );
m_SkipBackground.SetDiffuse( RageColor(0,0,0,0) );
return;
}
m_SkipBackground.SetDiffuse(RageColor(0,0,0,0.4f));
CString time(SecondsToTime(RageTimer::GetTimeSinceStart()));
/* Use our own timer, so we ignore `/tab. */
const float UpdateTime = SkipTimer.GetDeltaTime();
/* FPS is 0 for a little while after we load a screen; don't report
* during this time. Do clear the timer, though, so we don't report
* a big "skip" after this period passes. */
if(DISPLAY->GetFPS())
{
/* We want to display skips. We expect to get updates of about 1.0/FPS ms. */
const float ExpectedUpdate = 1.0f / DISPLAY->GetFPS();
/* These are thresholds for severity of skips. The smallest
* is slightly above expected, to tolerate normal jitter. */
const float Thresholds[] = {
ExpectedUpdate * 2.0f, ExpectedUpdate * 4.0f, 0.1f, -1
};
int skip = 0;
while(Thresholds[skip] != -1 && UpdateTime > Thresholds[skip])
skip++;
if(skip)
{
static const RageColor colors[] = {
RageColor(0,0,0,0), /* unused */
RageColor(0.2f,0.2f,1,1), /* light blue */
RageColor(1,1,0,1), /* yellow */
RageColor(1,0.2f,0.2f,1) /* light red */
};
m_Skips[m_LastSkip].SetText(ssprintf("%s: %.0fms (%.0f)",
time.GetString(), 1000*UpdateTime, UpdateTime/ExpectedUpdate));
m_Skips[m_LastSkip].StopTweening();
m_Skips[m_LastSkip].SetDiffuse(RageColor(1,1,1,1));
m_Skips[m_LastSkip].BeginTweening(0.2f);
m_Skips[m_LastSkip].SetDiffuse(colors[skip]);
m_Skips[m_LastSkip].BeginTweening(3.0f);
m_Skips[m_LastSkip].BeginTweening(0.2f);
m_Skips[m_LastSkip].SetDiffuse(RageColor(1,1,1,0));
m_LastSkip++;
m_LastSkip %= NUM_SKIPS;
}
}
m_textSysTime.SetText( time );
m_textSysTime.SetDiffuse( RageColor(1,0,1,1) );
}
void ScreenSystemLayer::Update( float fDeltaTime )
{
Screen::Update(fDeltaTime);
@@ -157,12 +256,7 @@ void ScreenSystemLayer::Update( float fDeltaTime )
} else
m_textStats.SetDiffuse( RageColor(1,1,1,0) ); /* hide */
if(PREFSMAN->m_bTimestamping)
{
m_textSysTime.SetText( SecondsToTime(RageTimer::GetTimeSinceStart()) );
m_textSysTime.SetDiffuse( RageColor(1,1,1,1) );
} else
m_textSysTime.SetDiffuse( RageColor(1,1,1,0) ); /* hide */
UpdateTimestampAndSkips();
}
ScreenManager::ScreenManager()