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apply effect history to frame width

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This commit is contained in:
Glenn Maynard
2007-01-16 00:46:16 +00:00
parent e5d4983eac
commit 7fe61e5b9c
4 changed files with 45 additions and 3 deletions
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stepmania/src/ArrowEffects.cpp
+33
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@@ -11,6 +11,7 @@
#include "PlayerState.h"
#include "GameState.h"
#include "Style.h"
#include "ThemeMetric.h"
#include <float.h>
const float ARROW_SPACING = ARROW_SIZE;// + 2;
@@ -596,6 +597,38 @@ float ArrowEffects::GetZoom( const PlayerState* pPlayerState )
return fZoom;
}
static ThemeMetric<float> FRAME_WIDTH_EFFECTS_PIXELS_PER_SECOND( "ArrowEffects", "FrameWidthEffectsPixelsPerSecond" );
static ThemeMetric<float> FRAME_WIDTH_EFFECTS_MIN_MULTIPLIER( "ArrowEffects", "FrameWidthEffectsMinMultiplier" );
static ThemeMetric<float> FRAME_WIDTH_EFFECTS_MAX_MULTIPLIER( "ArrowEffects", "FrameWidthEffectsMaxMultiplier" );
static ThemeMetric<bool> FRAME_WIDTH_LOCK_EFFECTS_TO_OVERLAPPING( "ArrowEffects", "FrameWidthLockEffectsToOverlapping" );
static ThemeMetric<float> FRAME_WIDTH_LOCK_EFFECTS_TWEEN_PIXELS( "ArrowEffects", "FrameWidthLockEffectsTweenPixels" );
float ArrowEffects::GetFrameWidthScale( const PlayerState* pPlayerState, float fYOffset, float fOverlappedTime )
{
float fFrameWidthMultiplier = 1.0f;
float fPixelsPerSecond = FRAME_WIDTH_EFFECTS_PIXELS_PER_SECOND;
float fSecond = fYOffset / fPixelsPerSecond;
float fWidthEffect = pPlayerState->m_EffectHistory.GetSample( fSecond );
if( fWidthEffect != 0 && FRAME_WIDTH_LOCK_EFFECTS_TO_OVERLAPPING )
{
/* Don't display effect data that happened before this hold overlapped the top. */
float fFromEndOfOverlapped = fOverlappedTime - fSecond;
float fTrailingPixels = FRAME_WIDTH_LOCK_EFFECTS_TWEEN_PIXELS;
float fTrailingSeconds = fTrailingPixels / fPixelsPerSecond;
float fScaleEffect = SCALE( fFromEndOfOverlapped, 0.0f, fTrailingSeconds, 0.0f, 1.0f );
CLAMP( fScaleEffect, 0.0f, 1.0f );
fWidthEffect *= fScaleEffect;
}
if( fWidthEffect > 0 )
fFrameWidthMultiplier *= SCALE( fWidthEffect, 0.0f, 1.0f, 1.0f, FRAME_WIDTH_EFFECTS_MAX_MULTIPLIER );
else if( fWidthEffect < 0 )
fFrameWidthMultiplier *= SCALE( fWidthEffect, 0.0f, -1.0f, 1.0f, FRAME_WIDTH_EFFECTS_MIN_MULTIPLIER );
return fFrameWidthMultiplier;
}
/*
* (c) 2001-2004 Chris Danford
* All rights reserved.