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game/client/fx_quad.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "clientsideeffects.h"
+
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialsystem.h"
+
+#ifndef FX_QUAD_H
+#define FX_QUAD_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+// Flags
+#define	FXQUAD_BIAS_SCALE	0x0001	//Bias the scale's interpolation function
+#define	FXQUAD_BIAS_ALPHA	0x0002	//Bias the alpha's interpolation function
+#define FXQUAD_COLOR_FADE	0x0004	//Blend the color towards black via the alpha (overcomes additive ignoring alpha)
+
+struct FXQuadData_t
+{
+	FXQuadData_t( void )
+	{
+		m_flLifeTime	= 0.0f;
+		m_flDieTime		= 0.0f;
+		m_uiFlags		= 0;
+	}
+
+	void SetFlags( unsigned int flags )			{ m_uiFlags |= flags; }
+	void SetOrigin( const Vector &origin )		{ m_vecOrigin = origin; }
+	void SetNormal( const Vector &normal )		{ m_vecNormal = normal; }
+	void SetScale( float start, float end )		{ m_flStartScale = start; m_flEndScale = end; }
+	void SetAlpha( float start, float end )		{ m_flStartAlpha = start; m_flEndAlpha = end; }
+	void SetLifeTime( float lifetime )			{ m_flDieTime = lifetime; }
+	void SetColor( float r, float g, float b )	{ m_Color = Vector( r, g, b ); }
+	void SetAlphaBias( float bias )				{ m_flAlphaBias = bias; }
+	void SetScaleBias( float bias )				{ m_flScaleBias = bias; }
+	void SetYaw( float yaw, float delta = 0.0f ){ m_flYaw = yaw; m_flDeltaYaw = delta; }
+
+	void SetMaterial( const char *shader )	
+	{ 
+		m_pMaterial = materials->FindMaterial( shader, TEXTURE_GROUP_CLIENT_EFFECTS );
+
+		if ( m_pMaterial != NULL )
+		{
+			m_pMaterial->IncrementReferenceCount();
+		}
+	}
+
+	unsigned int	m_uiFlags;
+	IMaterial		*m_pMaterial;
+	Vector			m_vecOrigin;
+	Vector			m_vecNormal;
+	float			m_flStartScale;
+	float			m_flEndScale;
+	float			m_flDieTime;
+	float			m_flLifeTime;
+	float			m_flStartAlpha;
+	float			m_flEndAlpha;
+	Vector			m_Color;
+	float			m_flYaw;
+	float			m_flDeltaYaw;
+	
+	// Only used with FXQUAD_BIAS_ALPHA and FXQUAD_BIAS_SCALE
+	float			m_flScaleBias;
+	float			m_flAlphaBias;
+};
+
+class CFXQuad : public CClientSideEffect
+{
+public:
+
+	CFXQuad( const FXQuadData_t &data );
+	
+	~CFXQuad( void );
+
+	virtual void	Draw( double frametime );
+	virtual bool	IsActive( void );
+	virtual void	Destroy( void );
+	virtual	void	Update( double frametime );
+
+protected:
+
+	FXQuadData_t	m_FXData;
+};
+
+#endif // FX_QUAD_H