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diff --git a/game/client/clientsideeffects.h b/game/client/clientsideeffects.h
new file mode 100644
index 0000000..fd74956
--- /dev/null
+++ b/game/client/clientsideeffects.h
@@ -0,0 +1,98 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef CLIENTSIDEEFFECTS_H
+#define CLIENTSIDEEFFECTS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+class	Vector;
+struct	FXQuadData_t;
+struct	FXLineData_t;
+//-----------------------------------------------------------------------------
+// Purpose: Base class for client side effects
+//-----------------------------------------------------------------------------
+abstract_class CClientSideEffect
+{
+public:
+	// Constructs the named effect
+						CClientSideEffect( const char *name );
+	virtual				~CClientSideEffect( void );
+
+	// Update/Draw the effect
+	// Derived classes must implement this method!
+	virtual void		Draw( double frametime ) = 0;
+	// Returns name of effect
+	virtual const char	*GetName( void );
+	// Retuns whether the effect is still active
+	virtual bool		IsActive( void );
+	// Sets the effect to inactive so it can be destroed
+	virtual void		Destroy( void );
+
+	// Sets the effect name (useful for debugging).
+	virtual void		SetEffectName( const char *pszName );
+
+private:
+	// Name of effect ( static data )
+	const char			*m_pszName;
+	// Is the effect active
+	bool				m_bActive;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Base interface to effects list
+//-----------------------------------------------------------------------------
+abstract_class IEffectsList
+{
+public:
+	virtual			~IEffectsList( void ) {}
+
+	// Add an effect to the list of effects
+	virtual void	AddEffect( CClientSideEffect *effect ) = 0;
+	// Remove the specified effect
+	virtual void	RemoveEffect( CClientSideEffect *effect ) = 0;
+	// Simulate/Update/Draw effects on list
+	virtual void	DrawEffects( double frametime ) = 0;
+	// Flush out all effects fbrom the list
+	virtual void	Flush( void ) = 0;
+};
+
+extern IEffectsList *clienteffects;
+
+class IMaterialSystem;
+extern IMaterialSystem *materials;
+
+//Actual function references
+void FX_AddCube( const Vector &mins, const Vector &maxs, const Vector &vColor, float life, const char *materialName );
+void FX_AddCenteredCube( const Vector &center, float size, const Vector &vColor, float life, const char *materialName );
+void FX_AddStaticLine( const Vector& start, const Vector& end, float scale, float life, const char *materialName, unsigned char flags );
+void FX_AddDiscreetLine( const Vector& start, const Vector& direction, float velocity, float length, float clipLength, float scale, float life, const char *shader );
+
+void FX_AddLine( const FXLineData_t &data );
+
+void FX_AddQuad( const FXQuadData_t &data );
+
+void FX_AddQuad( const Vector &origin, 
+				 const Vector &normal, 
+				 float startSize, 
+				 float endSize, 
+				 float sizeBias,
+				 float startAlpha, 
+				 float endAlpha,
+				 float alphaBias,
+				 float yaw,
+				 float deltaYaw,
+				 const Vector &color, 
+				 float lifeTime, 
+				 const char *shader, 
+				 unsigned int flags );
+
+// For safe addition of client effects
+void SetFXCreationAllowed( bool state );
+bool FXCreationAllowed( void );
+
+#endif // CLIENTSIDEEFFECTS_H