{

DECLARE_CLASS_SIMPLE( CVMTPanel, CPotteryWheelPanel );

public:

// constructor, destructor

CVMTPanel( vgui::Panel *pParent, const char *pName );

virtual ~CVMTPanel();

// Set the material to draw

void SetMaterial( IMaterial *pMaterial );

// Set rendering mode (stretch to full screen, or use actual size)

void RenderUsingActualSize( bool bEnable );

// performs the layout

virtual void PerformLayout();

virtual void ApplySchemeSettings( vgui::IScheme *pScheme );

private:

// paint it stretched to the window size

void DrawStretchedToPanel( CMeshBuilder &meshBuilder );

// paint it actual size

void DrawActualSize( CMeshBuilder &meshBuilder );

// Draw it on a sphere

void RenderSphere( const Vector &vCenter, float flRadius, int nTheta, int nPhi );

// paint it!

virtual void OnPaint3D();

private:

// The material to draw

IMaterial *m_pMaterial;

// A texture to use for a lightmap

CTextureReference m_pLightmapTexture;

// The default env_cubemap

CTextureReference m_DefaultEnvCubemap;

// Are we using actual size or not?

bool m_bUseActualSize;

// Scroll bars

vgui::ScrollBar *m_pHorizontalBar;

vgui::ScrollBar *m_pVerticalBar;

// The viewable size

int m_iViewableWidth;

int m_iViewableHeight;