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diff --git a/public/dme_controls/particlesystempanel.h b/public/dme_controls/particlesystempanel.h
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+++ b/public/dme_controls/particlesystempanel.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#ifndef DMEPARTICLEPANEL_H
+#define DMEPARTICLEPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "matsys_controls/PotteryWheelPanel.h"
+#include "datamodel/dmattributetypes.h"
+#include "particles/particles.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class IMaterial;
+class CMeshBuilder;
+class Vector;
+class CParticleCollection;
+class CColorPickerButton;
+class CDmeParticleSystemDefinition;
+class CDmeParticleFunction;
+class CControlPointPage;
+
+namespace vgui
+{
+	class ScrollBar;
+	class IScheme;
+	class PropertyPage;
+	class PropertySheet;
+	class Splitter;
+	class Label;
+	class TextEntry;
+}
+
+
+//-----------------------------------------------------------------------------
+// Particle System Viewer Panel
+//-----------------------------------------------------------------------------
+class CParticleSystemPanel : public CPotteryWheelPanel
+{
+	DECLARE_CLASS_SIMPLE( CParticleSystemPanel, CPotteryWheelPanel );
+
+public:
+	// constructor, destructor
+	CParticleSystemPanel( vgui::Panel *pParent, const char *pName );
+	virtual ~CParticleSystemPanel();
+
+	// Set the particle system to draw
+	void SetParticleSystem( CDmeParticleSystemDefinition *pDef );
+	void SetDmeElement( CDmeParticleSystemDefinition *pDef );
+
+	CParticleCollection *GetParticleSystem();
+
+	// Indicates that bounds should be drawn
+	void RenderBounds( bool bEnable );
+
+	// Indicates that cull sphere should be drawn
+	void RenderCullBounds( bool bEnable );
+
+	// Indicates that helpers should be drawn
+	void RenderHelpers( bool bEnable );
+
+	// Indicates which helper to draw
+	void SetRenderedHelper( CDmeParticleFunction *pOp );
+
+	virtual void OnTick();
+	virtual void ApplySchemeSettings( vgui::IScheme *pScheme );
+
+	// Accessor for control point values
+	const Vector& GetControlPointValue( int nControlPoint ) const;
+	void SetControlPointValue( int nControlPoint, const Vector &value );
+
+private:
+	// Shutdown, startup particle collection
+	void StartupParticleCollection();
+	void ShutdownParticleCollection();
+
+	// Draw bounds
+	void DrawBounds();
+	void DrawCullBounds();
+ 
+	// paint it!
+	virtual void OnPaint3D();
+
+private:
+	bool m_bRenderBounds : 1;
+	bool m_bRenderCullBounds : 1;
+	bool m_bRenderHelpers : 1;
+	bool m_bPerformNameBasedLookup : 1;
+
+	Vector m_pControlPointValue[MAX_PARTICLE_CONTROL_POINTS];
+
+	DmObjectId_t m_RenderHelperId;
+	float m_flLastTime;
+
+	// Stores the id or name of the particle system being viewed
+	DmObjectId_t m_ParticleSystemId;
+	CUtlString m_ParticleSystemName;
+
+	// The particle system to draw
+	CParticleCollection *m_pParticleSystem;
+
+	// A texture to use for a lightmap
+	CTextureReference m_pLightmapTexture;
+
+	// The default env_cubemap
+	CTextureReference m_DefaultEnvCubemap;
+};
+
+
+//-----------------------------------------------------------------------------
+// Accessor for control point values
+//-----------------------------------------------------------------------------
+inline const Vector& CParticleSystemPanel::GetControlPointValue( int nControlPoint ) const
+{
+	return m_pControlPointValue[nControlPoint];
+}
+
+inline void CParticleSystemPanel::SetControlPointValue( int nControlPoint, const Vector &value )
+{
+	m_pControlPointValue[nControlPoint] = value;
+}
+
+
+//-----------------------------------------------------------------------------
+// This panel has a particle system viewer as well as controls
+//-----------------------------------------------------------------------------
+class CParticleSystemPreviewPanel : public vgui::EditablePanel
+{
+	DECLARE_CLASS_SIMPLE( CParticleSystemPreviewPanel, vgui::EditablePanel );
+
+public:
+	// constructor, destructor
+	CParticleSystemPreviewPanel( vgui::Panel *pParent, const char *pName );
+	virtual ~CParticleSystemPreviewPanel();
+
+	// Set the material to draw
+	void SetParticleSystem( CDmeParticleSystemDefinition *pDef );
+	void SetParticleFunction( CDmeParticleFunction *pFunction );
+	void SetDmeElement( CDmeParticleSystemDefinition *pDef );
+	virtual void OnThink();
+
+private:
+	MESSAGE_FUNC_PARAMS( OnCheckButtonChecked, "CheckButtonChecked", params );
+	MESSAGE_FUNC_PARAMS( OnBackgroundColorChanged, "ColorPickerPicked", params );
+	MESSAGE_FUNC_PARAMS( OnBackgroundColorPreview, "ColorPickerPreview", params );
+	MESSAGE_FUNC_PARAMS( OnBackgroundColorCancel, "ColorPickerCancel", params );
+	MESSAGE_FUNC( OnParticleSystemReconstructed, "ParticleSystemReconstructed" );
+
+	vgui::Splitter *m_Splitter;
+	CParticleSystemPanel *m_pParticleSystemPanel;
+	vgui::PropertySheet *m_pControlSheet;
+	vgui::PropertyPage *m_pRenderPage;
+	CControlPointPage *m_pControlPointPage;
+
+	vgui::CheckButton *m_pRenderCullBounds;
+	vgui::CheckButton *m_pRenderBounds;
+	vgui::CheckButton *m_pRenderHelpers;
+	CColorPickerButton *m_pBackgroundColor;
+	vgui::Label *m_pParticleCount;
+};
+
+
+
+#endif // DMEPARTICLEPANEL_H
+	    
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