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Only iterate over the section of a hold note that's on screen. Fixes slowness

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with extremely long hold notes; now, even if a hold note has a
MAX_NOTE_ROW duration (which would be a bug), we shouldn't slow down.
This commit is contained in:
Glenn Maynard
2005-02-07 21:00:21 +00:00
parent 1962259078
commit d1fbf3f1f5
3 changed files with 26 additions and 10 deletions
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stepmania/src/NoteDisplay.cpp
+23 -7
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@@ -669,7 +669,8 @@ void NoteDisplay::DrawHoldTopCap( const TapNote& tn, int iCol, int iBeat, const
}
void NoteDisplay::DrawHoldBody( const TapNote& tn, int iCol, int iBeat, const bool bIsBeingHeld, float fYHead, float fYTail, int fYStep, float fPercentFadeToFail, float fColorScale, bool bGlow )
void NoteDisplay::DrawHoldBody( const TapNote& tn, int iCol, int iBeat, const bool bIsBeingHeld, float fYHead, float fYTail, int fYStep, float fPercentFadeToFail, float fColorScale, bool bGlow,
float fYStartOffset, float fYEndOffset )
{
//
// Draw the body (always wavy)
@@ -701,14 +702,29 @@ void NoteDisplay::DrawHoldBody( const TapNote& tn, int iCol, int iBeat, const bo
if( bGlow )
fColorScale = 1;
/* Only draw the section that's within the range specified. If a hold note is
* very long, don't process or draw the part outside of the range. Don't change
* fYBodyTop or fYBodyBottom; they need to be left alone to calculate texture
* coordinates. */
float fDrawYBodyTop;
float fDrawYBodyBottom;
{
float fYStartPos = ArrowEffects::GetYPos( m_pPlayerState, iCol, fYStartOffset, m_fYReverseOffsetPixels );
fDrawYBodyTop = max( fYBodyTop, fYStartPos );
}
{
float fYEndPos = ArrowEffects::GetYPos( m_pPlayerState, iCol, fYEndOffset, m_fYReverseOffsetPixels );
fDrawYBodyBottom = min( fYBodyBottom, fYEndPos );
}
// top to bottom
bool bAllAreTransparent = true;
bool bLast = false;
for( float fY = fYBodyTop; !bLast; fY += fYStep )
for( float fY = fDrawYBodyTop; !bLast; fY += fYStep )
{
if( fY >= fYBodyBottom )
if( fY >= fDrawYBodyBottom )
{
fY = fYBodyBottom;
fY = fDrawYBodyBottom;
bLast = true;
}
@@ -926,7 +942,7 @@ void NoteDisplay::DrawHoldHead( const TapNote& tn, int iCol, int iBeat, const bo
}
}
void NoteDisplay::DrawHold( const TapNote &tn, int iCol, int iBeat, bool bIsBeingHeld, bool bIsActive, const HoldNoteResult &Result, float fPercentFadeToFail, bool bDrawGlowOnly, float fReverseOffsetPixels )
void NoteDisplay::DrawHold( const TapNote &tn, int iCol, int iBeat, bool bIsBeingHeld, bool bIsActive, const HoldNoteResult &Result, float fPercentFadeToFail, bool bDrawGlowOnly, float fReverseOffsetPixels, float fYStartOffset, float fYEndOffset )
{
int iEndBeat = iBeat + tn.iDuration;
@@ -972,7 +988,7 @@ void NoteDisplay::DrawHold( const TapNote &tn, int iCol, int iBeat, bool bIsBein
if( !bFlipHeadAndTail )
DrawHoldBottomCap( tn, iCol, iBeat, bIsBeingHeld, fYHead, fYTail, fYStep, fPercentFadeToFail, fColorScale, bDrawGlowOnly );
DrawHoldBody( tn, iCol, iBeat, bIsBeingHeld, fYHead, fYTail, fYStep, fPercentFadeToFail, fColorScale, bDrawGlowOnly );
DrawHoldBody( tn, iCol, iBeat, bIsBeingHeld, fYHead, fYTail, fYStep, fPercentFadeToFail, fColorScale, bDrawGlowOnly, fYStartOffset, fYEndOffset );
if( bFlipHeadAndTail )
DrawHoldTopCap( tn, iCol, iBeat, bIsBeingHeld, fYHead, fYTail, fYStep, fPercentFadeToFail, fColorScale, bDrawGlowOnly );
@@ -984,7 +1000,7 @@ void NoteDisplay::DrawHold( const TapNote &tn, int iCol, int iBeat, bool bIsBein
// now, draw the glow pass
if( !bDrawGlowOnly )
DrawHold( tn, iCol, iBeat, bIsBeingHeld, bIsActive, Result, fPercentFadeToFail, true, fReverseOffsetPixels );
DrawHold( tn, iCol, iBeat, bIsBeingHeld, bIsActive, Result, fPercentFadeToFail, true, fReverseOffsetPixels, fYStartOffset, fYEndOffset );
}
void NoteDisplay::DrawActor( Actor* pActor, int iCol, float fBeat, float fPercentFadeToFail, float fLife, float fReverseOffsetPixels, bool bUseLighting )