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Shift some complexity out of the inner loop, so the texture coordinate

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calculation is easier to manipulate.
This commit is contained in:
Glenn Maynard
2007-01-07 08:52:23 +00:00
parent c24adab2b3
commit 9f6f64dfec
1 changed files with 20 additions and 8 deletions
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stepmania/src/NoteDisplay.cpp
+20 -8
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@@ -402,6 +402,23 @@ void NoteDisplay::DrawHoldPart( vector<Sprite*> &vpSpr, int iCol, int fYStep, fl
bool bLast = false;
float fAddToTexCoord = 0;
if( !bAnchorToBottom )
{
float fTexCoordBottom = SCALE( fYBottom - fYTop, 0, fFrameHeight, pRect->bottom, pRect->top );
float fWantTexCoordBottom = ceilf( fTexCoordBottom - 0.0001f );
fAddToTexCoord = fWantTexCoordBottom - fTexCoordBottom;
}
if( bWrapping )
{
/* For very large hold notes, shift the texture coordinates to be near 0, so we
* don't send very large values to the renderer. */
const float fDistFromBottom = fYBottom - fYStartPos;
float fTexCoordTop = SCALE( fDistFromBottom, 0, fFrameHeight, pRect->bottom, pRect->top );
fTexCoordTop += fAddToTexCoord;
fAddToTexCoord -= floorf( fTexCoordTop );
}
DISPLAY->ClearAllTextures();
StripBuffer queue;
@@ -419,14 +436,9 @@ void NoteDisplay::DrawHoldPart( vector<Sprite*> &vpSpr, int iCol, int fYStep, fl
const float fXLeft = fX - fFrameWidth/2;
const float fXRight = fX + fFrameWidth/2;
const float fDistFromBottom = fYBottom - fY;
const float fDistFromTop = fY - fYTop;
float fTexCoordTop = SCALE( bAnchorToBottom ? fDistFromBottom : fDistFromTop, 0, fFrameHeight, pRect->top, pRect->bottom );
/* For very large hold notes, shift the texture coordinates to be near 0, so we
* don't send very large values to the renderer. */
if( fY == fYStartPos ) // first
fAddToTexCoord = -floorf( fTexCoordTop );
if( bWrapping )
fTexCoordTop += fAddToTexCoord;
float fTexCoordTop = SCALE( fDistFromBottom, 0, fFrameHeight, pRect->bottom, pRect->top );
fTexCoordTop += fAddToTexCoord;
const float fTexCoordLeft = pRect->left;
const float fTexCoordRight = pRect->right;
const float fAlpha = ArrowGetAlphaOrGlow( bGlow, m_pPlayerState, iCol, fYOffset, fPercentFadeToFail, m_fYReverseOffsetPixels, fDrawDistanceBeforeTargetsPixels, fFadeInPercentOfDrawFar );