{

DECLARE_SIMPLE_DATADESC();

Vector m_vecScreenPos;

float m_flDieTime;

float m_flTexCoord;

float m_flWidthVariance;

{

DECLARE_CLASS( CSpriteTrail, CSprite );

DECLARE_DATADESC();

DECLARE_NETWORKCLASS();

DECLARE_PREDICTABLE();

public:

CSpriteTrail( void );

// Sets parameters of the sprite trail

void SetLifeTime( float time );

void SetStartWidth( float flStartWidth );

void SetEndWidth( float flEndWidth );

void SetStartWidthVariance( float flStartWidthVariance );

void SetTextureResolution( float flTexelsPerInch );

void SetMinFadeLength( float flMinFadeLength );

void SetSkybox( const Vector &vecSkyboxOrigin, float flSkyboxScale );

// Is the trail in the skybox?

bool IsInSkybox() const;

void Spawn( void );

void Precache( void );

void SetTransmit( bool bTransmit = true ) { m_bDrawForMoveParent = bTransmit; }

#if defined( CLIENT_DLL )

// Client only code

virtual int DrawModel( int flags );

virtual const Vector &GetRenderOrigin( void );

virtual const QAngle &GetRenderAngles( void );

// On data update

virtual void OnPreDataChanged( DataUpdateType_t updateType );

virtual void OnDataChanged( DataUpdateType_t updateType );

virtual void GetRenderBounds( Vector& mins, Vector& maxs );

virtual void ClientThink();

virtual bool ValidateEntityAttachedToPlayer( bool &bShouldRetry );

#else

// Server only code

virtual int ShouldTransmit( const CCheckTransmitInfo *pInfo );

static CSpriteTrail *SpriteTrailCreate( const char *pSpriteName, const Vector &origin, bool animate );

#endif

private:

#if defined( CLIENT_DLL )

enum

{

// NOTE: # of points max must be a power of two!

MAX_SPRITE_TRAIL_POINTS = 256,

MAX_SPRITE_TRAIL_MASK = MAX_SPRITE_TRAIL_POINTS - 1,

};

TrailPoint_t *GetTrailPoint( int n );

void UpdateTrail( void );

void ComputeScreenPosition( Vector *pScreenPos );

void ConvertSkybox();

void UpdateBoundingBox( void );

TrailPoint_t m_vecSteps[MAX_SPRITE_TRAIL_POINTS];

int m_nFirstStep;

int m_nStepCount;

float m_flUpdateTime;

Vector m_vecPrevSkyboxOrigin;

float m_flPrevSkyboxScale;

Vector m_vecRenderMins;

Vector m_vecRenderMaxs;

#endif

CNetworkVar( float, m_flLifeTime ); // Amount of time before a new trail segment fades away

CNetworkVar( float, m_flStartWidth ); // The starting scale

CNetworkVar( float, m_flEndWidth ); // The ending scale

CNetworkVar( float, m_flStartWidthVariance ); // The starting scale

CNetworkVar( float, m_flTextureRes ); // Texture resolution along the trail

CNetworkVar( float, m_flMinFadeLength ); // The end of the trail must fade out for this many units

CNetworkVector( m_vecSkyboxOrigin ); // What's our skybox origin?

CNetworkVar( float, m_flSkyboxScale ); // What's our skybox scale?

string_t m_iszSpriteName;

bool m_bAnimate;

bool m_bDrawForMoveParent;

#if defined( CLIENT_DLL )

public:

void SetUpdateTime(float setTo){ m_flUpdateTime = setTo; }

#endif