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1 files changed, 70 insertions, 0 deletions

diff --git a/public/matsys_controls/vtfpreviewpanel.h b/public/matsys_controls/vtfpreviewpanel.h
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+++ b/public/matsys_controls/vtfpreviewpanel.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef VTFPREVIEWPANEL_H
+#define VTFPREVIEWPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "vgui_controls/Panel.h"
+#include "tier1/utlstring.h"
+#include "materialsystem/MaterialSystemUtil.h"
+#include "mathlib/vector.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+
+
+//-----------------------------------------------------------------------------
+//
+// VTF Preview panel
+//
+//-----------------------------------------------------------------------------
+class CVTFPreviewPanel : public vgui::Panel
+{
+	DECLARE_CLASS_SIMPLE( CVTFPreviewPanel, vgui::Panel );
+
+public:
+	// constructor
+	CVTFPreviewPanel( vgui::Panel *pParent, const char *pName );
+	virtual ~CVTFPreviewPanel();
+
+	void SetVTF( const char *pFullPath, bool bLoadImmediately = true );
+	const char *GetVTF() const;
+
+	// Paints the texture
+	virtual void Paint( void );
+
+private:
+	void PaintNormalMapTexture( void );
+	void PaintCubeTexture( void );
+	void PaintStandardTexture( void );
+	void PaintVolumeTexture( void );
+
+	// Set up a projection matrix for a 90 degree fov
+	void SetupProjectionMatrix( int nWidth, int nHeight );
+
+	// Sets the camera to look at the the thing we're spinning around
+	void LookAt( const Vector &vecLookAt, float flRadius );
+
+	// Draw a sphere
+	void RenderSphere( const Vector &vCenter, float flRadius, int nTheta, int nPhi );
+
+	CUtlString m_VTFName;
+	CTextureReference m_PreviewTexture;
+	CMaterialReference m_PreviewMaterial;
+	int m_nTextureID;
+	Vector m_vecCameraDirection;
+	float m_flLastRotationTime;
+};
+
+
+#endif // VTFPREVIEWPANEL_H
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