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Move hold note handling into a small class; this allows easy changing of

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the hold note buffer size.  Handle flushing the queue if it fills, so we don't
have to have such a large buffer.  (It may also help performance slightly
if we can make hold note rendering fit in a 256k or 512k D$, but I didn't
benchmark ...)
This commit is contained in:
Glenn Maynard
2004-10-27 21:58:31 +00:00
parent 48fda990cd
commit 227d0ffcba
1 changed files with 65 additions and 27 deletions
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stepmania/src/NoteDisplay.cpp
+65 -27
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@@ -563,19 +563,36 @@ static float ArrowGetAlphaOrGlow( bool bGlow, PlayerNumber pn, int iCol, float f
return ArrowGetAlpha( pn, iCol, fYOffset, fPercentFadeToFail, fYReverseOffsetPixels );
}
struct StripBuffer
{
enum { size = 512 };
RageSpriteVertex buf[size];
RageSpriteVertex *v;
StripBuffer() { Init(); }
void Init()
{
v = buf;
}
void Draw()
{
DISPLAY->DrawQuadStrip( buf, v-buf );
}
int Used() const { return v - buf; }
int Free() const { return size - Used(); }
};
void NoteDisplay::DrawHoldTopCap( const HoldNote& hn, const bool bIsBeingHeld, float fYHead, float fYTail, int fYStep, int iCol, float fPercentFadeToFail, float fColorScale, bool bGlow )
{
//
// Draw the top cap (always wavy)
//
const int size = 4096;
static RageSpriteVertex queue[size];
StripBuffer queue;
Sprite* pSprTopCap = GetHoldTopCapSprite( hn.GetStartBeat(), bIsBeingHeld );
pSprTopCap->SetZoom( ArrowGetZoom( m_PlayerNumber ) );
// draw manually in small segments
RageSpriteVertex *v = &queue[0];
RageTexture* pTexture = pSprTopCap->GetTexture();
const RectF *pRect = pSprTopCap->GetCurrentTextureCoordRect();
DISPLAY->ClearAllTextures();
@@ -620,30 +637,37 @@ void NoteDisplay::DrawHoldTopCap( const HoldNote& hn, const bool bIsBeingHeld, f
if( fAlpha > 0 )
bAllAreTransparent = false;
v[0].p = RageVector3(fXLeft, fY, fZ); v[0].c = color; v[0].t = RageVector2(fTexCoordLeft, fTexCoordTop),
v[1].p = RageVector3(fXRight, fY, fZ); v[1].c = color; v[1].t = RageVector2(fTexCoordRight, fTexCoordTop);
v+=2;
if( v-queue >= size )
break;
queue.v[0].p = RageVector3(fXLeft, fY, fZ); queue.v[0].c = color; queue.v[0].t = RageVector2(fTexCoordLeft, fTexCoordTop);
queue.v[1].p = RageVector3(fXRight, fY, fZ); queue.v[1].c = color; queue.v[1].t = RageVector2(fTexCoordRight, fTexCoordTop);
queue.v+=2;
if( queue.Free() < 2 )
{
/* The queue is full. Render it, clear the buffer, and move back a step to
* start off the quad strip again. */
if( !bAllAreTransparent )
queue.Draw();
queue.Init();
bAllAreTransparent = true;
fY -= fYStep;
}
}
if( !bAllAreTransparent )
DISPLAY->DrawQuadStrip( queue, v-queue );
queue.Draw();
}
void NoteDisplay::DrawHoldBody( const HoldNote& hn, const bool bIsBeingHeld, float fYHead, float fYTail, int fYStep, int iCol, float fPercentFadeToFail, float fColorScale, bool bGlow )
{
//
// Draw the body (always wavy)
//
const int size = 4096;
static RageSpriteVertex queue[size];
StripBuffer queue;
Sprite* pSprBody = GetHoldBodySprite( hn.GetStartBeat(), bIsBeingHeld );
pSprBody->SetZoom( ArrowGetZoom( m_PlayerNumber ) );
// draw manually in small segments
RageSpriteVertex *v = &queue[0];
RageTexture* pTexture = pSprBody->GetTexture();
const RectF *pRect = pSprBody->GetCurrentTextureCoordRect();
DISPLAY->ClearAllTextures();
@@ -691,15 +715,23 @@ void NoteDisplay::DrawHoldBody( const HoldNote& hn, const bool bIsBeingHeld, flo
if( fAlpha > 0 )
bAllAreTransparent = false;
v[0].p = RageVector3(fXLeft, fY, fZ); v[0].c = color; v[0].t = RageVector2(fTexCoordLeft, fTexCoordTop);
v[1].p = RageVector3(fXRight, fY, fZ); v[1].c = color; v[1].t = RageVector2(fTexCoordRight, fTexCoordTop);
v+=2;
if( v-queue >= size )
break;
queue.v[0].p = RageVector3(fXLeft, fY, fZ); queue.v[0].c = color; queue.v[0].t = RageVector2(fTexCoordLeft, fTexCoordTop);
queue.v[1].p = RageVector3(fXRight, fY, fZ); queue.v[1].c = color; queue.v[1].t = RageVector2(fTexCoordRight, fTexCoordTop);
queue.v+=2;
if( queue.Free() < 2 )
{
/* The queue is full. Render it, clear the buffer, and move back a step to
* start off the quad strip again. */
if( !bAllAreTransparent )
queue.Draw();
queue.Init();
bAllAreTransparent = true;
fY -= fYStep;
}
}
if( !bAllAreTransparent )
DISPLAY->DrawQuadStrip( queue, v-queue );
queue.Draw();
}
void NoteDisplay::DrawHoldBottomCap( const HoldNote& hn, const bool bIsBeingHeld, float fYHead, float fYTail, int fYStep, int iCol, float fPercentFadeToFail, float fColorScale, bool bGlow )
@@ -707,15 +739,13 @@ void NoteDisplay::DrawHoldBottomCap( const HoldNote& hn, const bool bIsBeingHeld
//
// Draw the bottom cap (always wavy)
//
const int size = 4096;
static RageSpriteVertex queue[size];
StripBuffer queue;
Sprite* pBottomCap = GetHoldBottomCapSprite( hn.GetStartBeat(), bIsBeingHeld );
pBottomCap->SetZoom( ArrowGetZoom( m_PlayerNumber ) );
// draw manually in small segments
RageSpriteVertex *v = &queue[0];
RageTexture* pTexture = pBottomCap->GetTexture();
const RectF *pRect = pBottomCap->GetCurrentTextureCoordRect();
DISPLAY->ClearAllTextures();
@@ -759,14 +789,22 @@ void NoteDisplay::DrawHoldBottomCap( const HoldNote& hn, const bool bIsBeingHeld
if( fAlpha > 0 )
bAllAreTransparent = false;
v[0].p = RageVector3(fXLeft, fY, fZ); v[0].c = color; v[0].t = RageVector2(fTexCoordLeft, fTexCoordTop),
v[1].p = RageVector3(fXRight, fY, fZ); v[1].c = color; v[1].t = RageVector2(fTexCoordRight, fTexCoordTop);
v+=2;
if( v-queue >= size )
break;
queue.v[0].p = RageVector3(fXLeft, fY, fZ); queue.v[0].c = color; queue.v[0].t = RageVector2(fTexCoordLeft, fTexCoordTop);
queue.v[1].p = RageVector3(fXRight, fY, fZ); queue.v[1].c = color; queue.v[1].t = RageVector2(fTexCoordRight, fTexCoordTop);
queue.v+=2;
if( queue.Free() < 2 )
{
/* The queue is full. Render it, clear the buffer, and move back a step to
* start off the quad strip again. */
if( !bAllAreTransparent )
queue.Draw();
queue.Init();
bAllAreTransparent = true;
fY -= fYStep;
}
}
if( !bAllAreTransparent )
DISPLAY->DrawQuadStrip( queue, v-queue );
queue.Draw();
}
void NoteDisplay::DrawHoldTail( const HoldNote& hn, bool bIsBeingHeld, float fYTail, int iCol, float fPercentFadeToFail, float fColorScale, bool bGlow )