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143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef EXPRESSIONSAMPLE_H
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#define EXPRESSIONSAMPLE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "interpolatortypes.h"
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class CUtlBuffer;
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class ISceneTokenProcessor;
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class IChoreoStringPool;
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#pragma pack(1)
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struct EdgeInfo_t
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{
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EdgeInfo_t() :
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m_bActive( false ),
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m_CurveType( CURVE_DEFAULT ),
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m_flZeroPos( 0.0f )
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{
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}
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bool m_bActive;
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unsigned short m_CurveType;
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float m_flZeroPos;
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};
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struct CExpressionSample
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{
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CExpressionSample() :
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value( 0.0f ),
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time( 0.0f )
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{
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selected = 0;
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m_curvetype = CURVE_DEFAULT;
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}
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void SetCurveType( int curveType )
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{
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m_curvetype = curveType;
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}
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int GetCurveType() const
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{
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return m_curvetype;
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}
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// Height
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float value;
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// time from start of event
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float time;
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unsigned short selected : 1;
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private:
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unsigned short m_curvetype : 15;
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};
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#pragma pack()
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//-----------------------------------------------------------------------------
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// Purpose: Provides generic access to scene or event ramp data
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//-----------------------------------------------------------------------------
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class ICurveDataAccessor
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{
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public:
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virtual ~ICurveDataAccessor(){}
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virtual float GetDuration() = 0;
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virtual bool CurveHasEndTime() = 0; // only matters for events
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virtual int GetDefaultCurveType() = 0;
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};
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//-----------------------------------------------------------------------------
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// Purpose: The generic curve data
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//-----------------------------------------------------------------------------
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class CCurveData
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{
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public:
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int GetCount( void );
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CExpressionSample *Get( int index );
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CExpressionSample *Add( float time, float value, bool selected );
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void Delete( int index );
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void Clear( void );
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void Resort( ICurveDataAccessor *data );
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EdgeInfo_t *GetEdgeInfo( int idx );
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void SetEdgeInfo( bool leftEdge, int curveType, float zero );
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void GetEdgeInfo( bool leftEdge, int& curveType, float& zero ) const;
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void SetEdgeActive( bool leftEdge, bool state );
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bool IsEdgeActive( bool leftEdge ) const;
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int GetEdgeCurveType( bool leftEdge ) const;
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float GetEdgeZeroValue( bool leftEdge ) const;
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void RemoveOutOfRangeSamples( ICurveDataAccessor *data );
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void SaveToBuffer( CUtlBuffer& buf, IChoreoStringPool *pStringPool );
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bool RestoreFromBuffer( CUtlBuffer& buf, IChoreoStringPool *pStringPool );
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void Parse( ISceneTokenProcessor *tokenizer, ICurveDataAccessor *data );
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void FileSave( CUtlBuffer& buf, int level, const char *name );
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float GetIntensity( ICurveDataAccessor *data, float time );
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CExpressionSample *GetBoundedSample( ICurveDataAccessor *data, int number, bool& bClamped );
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CCurveData & operator = (const CCurveData &src)
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{
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// Copy ramp over
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m_Ramp.RemoveAll();
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int i;
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for ( i = 0; i < src.m_Ramp.Count(); i++ )
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{
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CExpressionSample sample = src.m_Ramp[ i ];
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CExpressionSample *newSample = Add( sample.time, sample.value, sample.selected );
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newSample->SetCurveType( sample.GetCurveType() );
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}
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m_RampEdgeInfo[ 0 ] = src.m_RampEdgeInfo[ 0 ];
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m_RampEdgeInfo[ 1 ] = src.m_RampEdgeInfo[ 1 ];
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return *this;
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};
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private:
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CUtlVector< CExpressionSample > m_Ramp;
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EdgeInfo_t m_RampEdgeInfo[ 2 ];
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public:
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float GetIntensityArea( ICurveDataAccessor *data, float time );
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private:
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void UpdateIntensityArea( ICurveDataAccessor *data );
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CUtlVector< float > m_RampAccumulator;
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};
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#endif // EXPRESSIONSAMPLE_H
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