1HEADmaster

14 files changed, 1368 insertions, 0 deletions

diff --git a/public/tier2/beamsegdraw.h b/public/tier2/beamsegdraw.h
new file mode 100644
index 0000000..7a11f9c
--- /dev/null
+++ b/public/tier2/beamsegdraw.h
@@ -0,0 +1,119 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+#if !defined( BEAMSEGDRAW_H )
+#define BEAMSEGDRAW_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define NOISE_DIVISIONS		128
+
+
+#include "mathlib/vector.h"
+#include "materialsystem/imesh.h"
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+struct BeamTrail_t;
+class IMaterial;
+
+
+//-----------------------------------------------------------------------------
+// CBeamSegDraw is a simple interface to beam rendering.
+//-----------------------------------------------------------------------------
+struct BeamSeg_t
+{
+	Vector		m_vPos;
+	Vector		m_vColor;
+	float		m_flTexCoord;	// Y texture coordinate
+	float		m_flWidth;
+	float		m_flAlpha;
+};
+
+class CBeamSegDraw
+{
+public:
+	CBeamSegDraw() : m_pRenderContext( NULL ) {}
+	// Pass null for pMaterial if you have already set the material you want.
+	void			Start( IMatRenderContext *pRenderContext, int nSegs, IMaterial *pMaterial=0, CMeshBuilder *pMeshBuilder = NULL, int nMeshVertCount = 0 );
+	virtual void	NextSeg( BeamSeg_t *pSeg );
+	void			End();
+
+protected:
+	void			SpecifySeg( const Vector &vecCameraPos, const Vector &vNextPos );
+	void			ComputeNormal( const Vector &vecCameraPos, const Vector &vStartPos, const Vector &vNextPos, Vector *pNormal );
+
+	CMeshBuilder	*m_pMeshBuilder;
+	int				m_nMeshVertCount;
+
+	CMeshBuilder	m_Mesh;
+	BeamSeg_t		m_Seg;	
+
+	int				m_nTotalSegs;
+	int				m_nSegsDrawn;
+
+	Vector			m_vNormalLast;
+	IMatRenderContext *m_pRenderContext;
+};
+
+class CBeamSegDrawArbitrary : public CBeamSegDraw
+{
+public:
+	void			SetNormal( const Vector &normal );
+	void			NextSeg( BeamSeg_t *pSeg );
+
+protected:
+	void			SpecifySeg( const Vector &vNextPos );
+
+	BeamSeg_t		m_PrevSeg;
+};
+
+#if 0
+int ScreenTransform( const Vector& point, Vector& screen );
+
+void DrawSegs( int noise_divisions, float *prgNoise, const model_t* spritemodel,
+				float frame, int rendermode, const Vector& source, const Vector& delta, 
+				float startWidth, float endWidth, float scale, float freq, float speed, int segments,
+				int flags, float* color, float fadeLength, float flHDRColorScale = 1.0f );
+void DrawTeslaSegs( int noise_divisions, float *prgNoise, const model_t* spritemodel,
+				float frame, int rendermode, const Vector& source, const Vector& delta, 
+				float startWidth, float endWidth, float scale, float freq, float speed, int segments,
+				int flags, float* color, float fadeLength, float flHDRColorScale = 1.0f );
+void DrawSplineSegs( int noise_divisions, float *prgNoise, 
+				const model_t* beammodel, const model_t* halomodel, float flHaloScale,
+				float frame, int rendermode, int numAttachments, Vector* attachment, 
+				float startWidth, float endWidth, float scale, float freq, float speed, int segments,
+				int flags, float* color, float fadeLength, float flHDRColorScale = 1.0f );
+void DrawHalo(IMaterial* pMaterial, const Vector& source, float scale, float const* color, float flHDRColorScale = 1.0f );
+void BeamDrawHalo( const model_t* spritemodel, float frame, int rendermode, const Vector& source, 
+				  float scale, float* color, float flHDRColorScale = 1.0f );
+void DrawDisk( int noise_divisions, float *prgNoise, const model_t* spritemodel,
+			  float frame, int rendermode, const Vector& source, const Vector& delta, 
+			  float width, float scale, float freq, float speed, 
+			  int segments, float* color, float flHDRColorScale = 1.0f );
+void DrawCylinder( int noise_divisions, float *prgNoise, const model_t* spritemodel, 
+				  float frame, int rendermode, const Vector& source, 
+				  const Vector&  delta, float width, float scale, float freq, 
+				  float speed, int segments, float* color, float flHDRColorScale = 1.0f );
+void DrawRing( int noise_divisions, float *prgNoise, void (*pfnNoise)( float *noise, int divs, float scale ), 
+			  const model_t* spritemodel, float frame, int rendermode, 
+			  const Vector& source, const Vector& delta, float width, float amplitude, 
+			  float freq, float speed, int segments, float* color, float flHDRColorScale = 1.0f );
+void DrawBeamFollow( const model_t* spritemodel, BeamTrail_t* pHead, int frame, int rendermode, Vector& delta, 
+					Vector& screen, Vector& screenLast, float die, const Vector& source, 
+					int flags, float width, float amplitude, float freq, float* color, float flHDRColorScale = 1.0f );
+
+void DrawBeamQuadratic( const Vector &start, const Vector &control, const Vector &end, float width, const Vector &color, float scrollOffset, float flHDRColorScale = 1.0f );
+#endif
+
+//-----------------------------------------------------------------------------
+// Assumes the material has already been bound
+//-----------------------------------------------------------------------------
+void DrawSprite( const Vector &vecOrigin, float flWidth, float flHeight, color32 color );
+
+#endif // BEAMDRAW_H
diff --git a/public/tier2/camerautils.h b/public/tier2/camerautils.h
new file mode 100644
index 0000000..dcaf423
--- /dev/null
+++ b/public/tier2/camerautils.h
@@ -0,0 +1,57 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A set of utilities to deal with camera transforms
+//
+//===========================================================================//
+
+#ifndef CAMERAUTILS_H
+#define CAMERAUTILS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier2/tier2.h"
+#include "Color.h"
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class Vector;
+class QAngle;
+class IMaterial;
+struct matrix3x4_t;
+class VMatrix;
+
+
+//-----------------------------------------------------------------------------
+// Camera state
+// TODO: Maybe this should be a base class of CViewSetup?
+//-----------------------------------------------------------------------------
+struct Camera_t
+{
+	Vector m_origin;
+	QAngle m_angles;
+	float m_flFOV;
+	float m_flZNear;
+	float m_flZFar;
+};
+
+
+//-----------------------------------------------------------------------------
+// accessors for generated matrices
+//-----------------------------------------------------------------------------
+void ComputeViewMatrix( VMatrix *pWorldToCamera, const Camera_t& camera );
+void ComputeViewMatrix( matrix3x4_t *pWorldToCamera, const Camera_t& camera );
+void ComputeProjectionMatrix( VMatrix *pCameraToProjection, const Camera_t& camera, int width, int height );
+
+
+//-----------------------------------------------------------------------------
+// Computes the screen space position given a screen size
+//-----------------------------------------------------------------------------
+void ComputeScreenSpacePosition( Vector2D *pScreenPosition, const Vector &vecWorldPosition, 
+	const Camera_t &camera, int width, int height );
+
+
+#endif // CAMERAUTILS_H
+
diff --git a/public/tier2/fileutils.h b/public/tier2/fileutils.h
new file mode 100644
index 0000000..d349836
--- /dev/null
+++ b/public/tier2/fileutils.h
@@ -0,0 +1,317 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A higher level link library for general use in the game and tools.
+//
+//===========================================================================//
+
+
+#ifndef FILEUTILS_H
+#define FILEUTILS_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#ifndef TIER2_H
+#include "tier2/tier2.h"
+#endif
+
+#ifndef FILESYSTEM_H
+#include "filesystem.h"
+#endif
+
+#include "tier0/platform.h"
+
+// Builds a directory which is a subdirectory of the current mod
+void GetModSubdirectory( const char *pSubDir, char *pBuf, int nBufLen );
+
+// Builds a directory which is a subdirectory of the current mod's *content*
+void GetModContentSubdirectory( const char *pSubDir, char *pBuf, int nBufLen );
+
+// Generates a filename under the 'game' subdirectory given a subdirectory of 'content'
+void ComputeModFilename( const char *pContentFileName, char *pBuf, size_t nBufLen );
+
+// Generates a filename under the 'content' subdirectory given a subdirectory of 'game'
+void ComputeModContentFilename( const char *pGameFileName, char *pBuf, size_t nBufLen );
+
+// Builds a list of all files under a directory with a particular extension
+void AddFilesToList( CUtlVector< CUtlString > &list, const char *pDirectory, const char *pPath, const char *pExtension );
+
+// Returns the search path as a list of paths
+void GetSearchPath( CUtlVector< CUtlString > &path, const char *pPathID );
+
+// Given file name generate a full path using the following rules.
+// 1. if its full path already return
+// 2. if its a relative path try to find it under the path id
+// 3. if find fails treat relative path as relative to the current dir
+bool GenerateFullPath( const char *pFileName, char const *pPathID, char *pBuf, int nBufLen );
+
+
+// Generates a .360 file if it doesn't exist or is out of sync with the pc source file
+#define UOC_FAIL		-1
+#define UOC_NOT_CREATED	0
+#define UOC_CREATED		1
+typedef bool ( *CreateCallback_t )( const char *pSourceName, const char *pTargetName, const char *pPathID, void *pExtraData );
+int UpdateOrCreate( const char *pSourceName, char *pTargetName, int targetLen, const char *pPathID, CreateCallback_t pfnCreate, bool bForce = false, void *pExtraData = NULL );
+
+char *CreateX360Filename( const char *pSourceName, char *pTargetName, int targetLen );
+
+FORCEINLINE const char *AdjustFileExtensionForPlatform( const char *pSourceName, char *pTargetName, int targetLen )
+{
+#ifdef PLATFORM_X360
+	return CreateX360Filename( pSourceName, pTargetName, targetLen );
+#else
+	return pSourceName;
+#endif
+}
+
+// simple file classes. File I/O mode (text/binary, read/write) is based upon the subclass chosen.
+// classes with the word Required on them abort with a message if the file can't be opened.
+// destructores close the file handle, or it can be explicitly closed with the Close() method.
+
+class CBaseFile
+{
+public:
+	FileHandle_t m_FileHandle;
+
+	CBaseFile(void)
+	{
+		m_FileHandle = FILESYSTEM_INVALID_HANDLE;
+	}
+
+	~CBaseFile( void )
+	{
+		Close();
+	}
+
+	FileHandle_t Handle( void ) const
+	{
+		return m_FileHandle;
+	}
+
+	void Close( void )
+	{
+		if ( m_FileHandle != FILESYSTEM_INVALID_HANDLE )
+			g_pFullFileSystem->Close( m_FileHandle );
+		m_FileHandle = FILESYSTEM_INVALID_HANDLE;
+	}
+
+	void Open( char const *fname, char const *modes )
+	{
+		Close();
+		m_FileHandle = g_pFullFileSystem->Open( fname, modes );
+	}
+
+	char *ReadLine( char *pOutput, int maxChars )
+	{
+		return g_pFullFileSystem->ReadLine( pOutput, maxChars, m_FileHandle );
+	}
+
+	// read every line of the file into a vector of strings
+	void ReadLines( CUtlStringList &sList, int nMaxLineLength = 2048 );
+
+	int Read( void* pOutput, int size )
+	{
+		return g_pFullFileSystem->Read( pOutput, size, m_FileHandle );
+	}
+
+	void MustRead( void* pOutput, int size )
+	{
+		int ret=Read( pOutput, size );
+		if (ret != size )
+			Error("failed to read %d bytes\n", size );
+	}
+	
+	int Write( void const* pInput, int size)
+	{
+		return g_pFullFileSystem->Write( pInput, size, m_FileHandle );
+	}
+
+
+	// {Get|Put}{Int|Float} read and write ints and floats from a file in x86 order, swapping on
+	// input for big-endian systems.
+	void PutInt( int n )
+	{
+		int n1=LittleDWord( n );
+		Write(&n1, sizeof( n1 ) );
+	}
+
+	int GetInt( void )
+	{
+		int ret;
+		MustRead( &ret, sizeof( ret ));
+		return LittleDWord( ret );
+	}
+
+	float GetFloat( void )
+	{
+		float ret;
+		MustRead( &ret, sizeof( ret ));
+		LittleFloat( &ret, &ret );
+		return ret;
+	}
+	void PutFloat( float f )
+	{
+		LittleFloat( &f, &f );
+		Write( &f, sizeof( f ) );
+	}
+
+	bool IsOk( void )
+	{
+		return ( m_FileHandle != FILESYSTEM_INVALID_HANDLE) &&
+			( g_pFullFileSystem->IsOk( m_FileHandle ) );
+	}
+
+	void Seek( int pos, FileSystemSeek_t nSeekType = FILESYSTEM_SEEK_HEAD )
+	{
+		g_pFullFileSystem->Seek( m_FileHandle, pos, nSeekType );
+	}
+
+	unsigned int Tell()
+	{
+		return g_pFullFileSystem->Tell( m_FileHandle );
+	}
+
+	unsigned int Size( void )
+	{
+		Assert( IsOk() );
+		return g_pFullFileSystem->Size( m_FileHandle );
+	}
+
+	void ReadFile( CUtlBuffer &dataBuf );
+};
+
+class COutputFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "wb" );
+	}
+
+	COutputFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+
+	COutputFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class COutputTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "w" );
+	}
+
+	COutputTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+
+	COutputTextFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CAppendTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "a+" );
+	}
+
+	CAppendTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+
+	CAppendTextFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CInputFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "rb" );
+	}
+
+	CInputFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CInputFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CInputTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "r" );
+	}
+
+	CInputTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CInputTextFile( void ) : CBaseFile()
+	{
+	}
+	
+
+};
+
+class CRequiredInputTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "r" );
+		if ( ! IsOk() )
+		{
+			Error("error opening required file %s\n", pFname );
+		}
+	}
+
+	CRequiredInputTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CRequiredInputTextFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CRequiredInputFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "rb" );
+		if ( ! IsOk() )
+		{
+			Error("error opening required file %s\n", pFname );
+		}
+	}
+
+	CRequiredInputFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CRequiredInputFile( void ) : CBaseFile()
+	{
+	}
+};
+
+#endif // FILEUTILS_H
+
diff --git a/public/tier2/keybindings.h b/public/tier2/keybindings.h
new file mode 100644
index 0000000..050219e
--- /dev/null
+++ b/public/tier2/keybindings.h
@@ -0,0 +1,42 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//===========================================================================//
+	   
+#ifndef KEYBINDINGS_H
+#define KEYBINDINGS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/utlstring.h"
+#include "inputsystem/ButtonCode.h"
+
+class CUtlBuffer;
+
+
+class CKeyBindings
+{
+public:
+	void SetBinding( ButtonCode_t code, const char *pBinding );
+	void SetBinding( const char *pButtonName, const char *pBinding );
+
+	void Unbind( ButtonCode_t code );
+	void Unbind( const char *pButtonName );
+	void UnbindAll();
+
+	int GetBindingCount() const;
+	void WriteBindings( CUtlBuffer &buf );
+	const char *ButtonNameForBinding( const char *pBinding );
+	const char *GetBindingForButton( ButtonCode_t code );
+
+private:
+	CUtlString m_KeyInfo[ BUTTON_CODE_LAST ];
+};
+
+
+#endif // KEYBINDINGS_H
diff --git a/public/tier2/keyvaluesmacros.h b/public/tier2/keyvaluesmacros.h
new file mode 100644
index 0000000..93d0c26
--- /dev/null
+++ b/public/tier2/keyvaluesmacros.h
@@ -0,0 +1,22 @@
+//===================== Copyright (c) Valve Corporation. All Rights Reserved. ======================
+//
+//==================================================================================================
+
+#pragma once
+
+
+//--------------------------------------------------------------------------------------------------
+// Returns true if the passed string matches the filename style glob, false otherwise
+// * matches any characters, ? matches any single character, otherwise case insensitive matching
+//--------------------------------------------------------------------------------------------------
+bool GlobMatch( const char *pszGlob, const char *pszString );
+
+//--------------------------------------------------------------------------------------------------
+// Processes #insert and #update KeyValues macros
+//
+// #insert inserts a new KeyValues file replacing the KeyValues #insert with the new file
+//
+// #update updates sibling KeyValues blocks subkeys with its subkeys, overwriting and adding
+// KeyValues as necessary
+//--------------------------------------------------------------------------------------------------
+KeyValues *HandleKeyValuesMacros( KeyValues *kv, KeyValues *pkvParent = nullptr );
\ No newline at end of file
diff --git a/public/tier2/meshutils.h b/public/tier2/meshutils.h
new file mode 100644
index 0000000..1a995fc
--- /dev/null
+++ b/public/tier2/meshutils.h
@@ -0,0 +1,26 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A set of utilities to help with generating meshes
+//
+//===========================================================================//
+
+#ifndef MESHUTILS_H
+#define MESHUTILS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+//-----------------------------------------------------------------------------
+// Helper methods to create various standard index buffer types
+//-----------------------------------------------------------------------------
+void GenerateSequentialIndexBuffer( unsigned short* pIndexMemory, int nIndexCount, int nFirstVertex );
+void GenerateQuadIndexBuffer( unsigned short* pIndexMemory, int nIndexCount, int nFirstVertex );
+void GeneratePolygonIndexBuffer( unsigned short* pIndexMemory, int nIndexCount, int nFirstVertex );
+void GenerateLineStripIndexBuffer( unsigned short* pIndexMemory, int nIndexCount, int nFirstVertex );
+void GenerateLineLoopIndexBuffer( unsigned short* pIndexMemory, int nIndexCount, int nFirstVertex );
+
+
+#endif // MESHUTILS_H
+
diff --git a/public/tier2/p4helpers.h b/public/tier2/p4helpers.h
new file mode 100644
index 0000000..61c70c8
--- /dev/null
+++ b/public/tier2/p4helpers.h
@@ -0,0 +1,179 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#ifndef P4HELPERS_H
+#define P4HELPERS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "tier1/utlstring.h"
+#include "tier1/smartptr.h"
+
+
+//
+// Class representing file operations
+//
+class CP4File
+{
+public:
+	explicit CP4File( char const *szFilename );
+	virtual ~CP4File();
+
+public:
+	// Opens the file for edit
+	virtual bool Edit( void );
+	
+	// Opens the file for add
+	virtual bool Add( void );
+
+	// Reverts the file
+	virtual bool Revert( void );
+
+	// Is the file in perforce?
+	virtual bool IsFileInPerforce();
+
+	// Changes the file to the specified filetype.
+	virtual bool SetFileType( const CUtlString& desiredFileType );
+
+protected:
+	// The filename that this class instance represents
+	CUtlString m_sFilename;
+};
+
+//
+// An override of CP4File performing no Perforce interaction
+//
+class CP4File_Dummy : public CP4File
+{
+public:
+	explicit CP4File_Dummy( char const *szFilename ) : CP4File( szFilename ) {}
+
+public:
+	virtual bool Edit( void ) { return true; }
+	virtual bool Add( void ) { return true; }
+	virtual bool IsFileInPerforce() { return false; }
+	virtual bool SetFileType(const CUtlString& desiredFileType) { return true; }
+};
+
+
+//
+// Class representing a factory for creating other helper objects
+//
+class CP4Factory
+{
+public:
+	CP4Factory();
+	~CP4Factory();
+
+public:
+	// Sets whether dummy objects are created by the factory.
+	// Returns the old state of the dummy mode.
+	bool SetDummyMode( bool bDummyMode );
+
+public:
+	// Sets the name of the changelist to open files under,
+	// NULL for "Default" changelist.
+	void SetOpenFileChangeList( const char *szChangeListName );
+
+public:
+	// Creates a file access object for the given filename.
+	CP4File *AccessFile( char const *szFilename ) const;
+
+protected:
+	// Whether the factory is in the "dummy mode" and is creating dummy objects
+	bool m_bDummyMode;
+};
+
+// Default p4 factory
+extern CP4Factory *g_p4factory;
+
+
+//
+// CP4AutoEditFile - edits the file upon construction
+//
+class CP4AutoEditFile
+{
+public:
+	explicit CP4AutoEditFile( char const *szFilename ) : m_spImpl( g_p4factory->AccessFile( szFilename ) ) { m_spImpl->Edit(); }
+
+	CP4File * File() const { return m_spImpl.Get(); }
+
+protected:
+	CPlainAutoPtr< CP4File > m_spImpl;
+};
+
+//
+// CP4AutoAddFile - adds the file upon construction
+//
+class CP4AutoAddFile
+{
+public:
+	explicit CP4AutoAddFile( char const *szFilename ) : m_spImpl( g_p4factory->AccessFile( szFilename ) ) { m_spImpl->Add(); }
+
+	CP4File * File() const { return m_spImpl.Get(); }
+
+protected:
+	CPlainAutoPtr< CP4File > m_spImpl;
+};
+
+//
+// CP4AutoEditAddFile - edits the file upon construction / adds upon destruction
+//
+class CP4AutoEditAddFile
+{
+public:
+	explicit CP4AutoEditAddFile( char const *szFilename ) 
+	: m_spImpl( g_p4factory->AccessFile( szFilename ) )
+	, m_bHasDesiredFileType( false )
+	{ 
+		m_spImpl->Edit(); 
+	}
+
+	explicit CP4AutoEditAddFile( char const *szFilename, const char *szFiletype ) 
+	: m_spImpl( g_p4factory->AccessFile( szFilename ) )
+	, m_sFileType(szFiletype)
+	, m_bHasDesiredFileType( true )
+	{ 
+		m_spImpl->Edit(); 
+		m_spImpl->SetFileType( m_sFileType );
+	}
+
+	~CP4AutoEditAddFile( void ) 
+	{ 
+		m_spImpl->Add(); 
+		if ( m_bHasDesiredFileType )
+			m_spImpl->SetFileType( m_sFileType );
+	}
+
+	CP4File * File() const { return m_spImpl.Get(); }
+
+protected:
+	CPlainAutoPtr< CP4File > m_spImpl;
+	CUtlString m_sFileType;
+	bool m_bHasDesiredFileType;
+};
+
+
+//
+// CP4AutoRevert - reverts the file upon construction
+//
+class CP4AutoRevertFile
+{
+public:
+	explicit CP4AutoRevertFile( char const *szFilename ) : m_spImpl( g_p4factory->AccessFile( szFilename ) ) { m_spImpl->Revert(); }
+
+	CP4File * File() const { return m_spImpl.Get(); }
+
+protected:
+	CPlainAutoPtr< CP4File > m_spImpl;
+};
+
+
+#endif // #ifndef P4HELPERS_H
diff --git a/public/tier2/renderutils.h b/public/tier2/renderutils.h
new file mode 100644
index 0000000..fe3d87c
--- /dev/null
+++ b/public/tier2/renderutils.h
@@ -0,0 +1,69 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A set of utilities to render standard shapes
+//
+//===========================================================================//
+
+#ifndef RENDERUTILS_H
+#define RENDERUTILS_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier2/tier2.h"
+#include "Color.h"
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class Vector;
+class QAngle;
+class IMaterial;
+struct matrix3x4_t;
+
+
+// Renders a wireframe sphere
+void RenderWireframeSphere( const Vector &vCenter, float flRadius, int nTheta, int nPhi, Color c, bool bZBuffer );
+
+// Renders a sphere
+void RenderSphere( const Vector &vCenter, float flRadius, int nTheta, int nPhi, Color c, bool bZBuffer );
+void RenderSphere( const Vector &vCenter, float flRadius, int nTheta, int nPhi, Color c, IMaterial *pMaterial );
+
+// Renders a wireframe box relative to an origin 
+void RenderWireframeBox( const Vector &vOrigin, const QAngle& angles, const Vector &vMins, const Vector &vMaxs, Color c, bool bZBuffer );
+
+// Renders a swept wireframe box
+void RenderWireframeSweptBox( const Vector &vStart, const Vector &vEnd, const QAngle &angles, const Vector &vMins, const Vector &vMaxs, Color c, bool bZBuffer );
+
+// Renders a solid box 
+void RenderBox( const Vector& origin, const QAngle& angles, const Vector& mins, const Vector& maxs, Color c, bool bZBuffer, bool bInsideOut = false );
+void RenderBox( const Vector& origin, const QAngle& angles, const Vector& mins, const Vector& maxs, Color c, IMaterial *pMaterial, bool bInsideOut = false );
+
+// Renders axes, red->x, green->y, blue->z (axis aligned)
+void RenderAxes( const Vector &vOrigin, float flScale, bool bZBuffer );
+void RenderAxes( const matrix3x4_t &transform, float flScale, bool bZBuffer );
+
+// Render a line
+void RenderLine( const Vector& v1, const Vector& v2, Color c, bool bZBuffer );
+
+// Draws a triangle
+void RenderTriangle( const Vector& p1, const Vector& p2, const Vector& p3, Color c, bool bZBuffer );
+void RenderTriangle( const Vector& p1, const Vector& p2, const Vector& p3, Color c, IMaterial *pMaterial );
+
+// Draws a axis-aligned quad
+void RenderQuad( IMaterial *pMaterial, float x, float y, float w, float h, float z, float s0, float t0, float s1, float t1, const Color& clr );
+
+// Renders a screen space quad
+void DrawScreenSpaceRectangle( IMaterial *pMaterial, 
+	int nDestX, int nDestY, int nWidth, int nHeight,	// Rect to draw into in screen space
+	float flSrcTextureX0, float flSrcTextureY0,			// which texel you want to appear at destx/y
+	float flSrcTextureX1, float flSrcTextureY1,			// which texel you want to appear at destx+width-1, desty+height-1
+	int nSrcTextureWidth, int nSrcTextureHeight,		// needed for fixup
+	void *pClientRenderable = NULL,						// Used to pass to the bind proxies
+	int nXDice = 1,
+	int nYDice = 1,
+	float fDepth = 0.0 );								// what Z value to put in the verts
+
+#endif // RENDERUTILS_H
+
diff --git a/public/tier2/riff.h b/public/tier2/riff.h
new file mode 100644
index 0000000..e24b090
--- /dev/null
+++ b/public/tier2/riff.h
@@ -0,0 +1,202 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef RIFF_H
+#define RIFF_H
+#pragma once
+
+#include "commonmacros.h"
+
+
+//-----------------------------------------------------------------------------
+// Purpose: This is a simple abstraction that the RIFF classes use to read from
+//			files/memory
+//-----------------------------------------------------------------------------
+class IFileReadBinary
+{
+public:
+	virtual int open( const char *pFileName ) = 0;
+	virtual int read( void *pOutput, int size, int file ) = 0;
+	virtual void close( int file ) = 0;
+	virtual void seek( int file, int pos ) = 0;
+	virtual unsigned int tell( int file ) = 0;
+	virtual unsigned int size( int file ) = 0;
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Used to read/parse a RIFF format file
+//-----------------------------------------------------------------------------
+class InFileRIFF
+{
+public:
+	InFileRIFF( const char *pFileName, IFileReadBinary &io );
+	~InFileRIFF( void );
+
+	unsigned int RIFFName( void ) { return m_riffName; }
+	unsigned int RIFFSize( void ) { return m_riffSize; }
+
+	int		ReadInt( void );
+	int		ReadData( void *pOutput, int dataSize );
+	int		PositionGet( void );
+	void	PositionSet( int position );
+	bool	IsValid( void ) { return m_file != 0; }
+
+private:
+	const InFileRIFF & operator=( const InFileRIFF & );
+
+	IFileReadBinary		&m_io;
+	int					m_file;
+	unsigned int		m_riffName;
+	unsigned int		m_riffSize;
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Used to iterate over an InFileRIFF
+//-----------------------------------------------------------------------------
+class IterateRIFF
+{
+public:
+	IterateRIFF( InFileRIFF &riff, int size );
+	IterateRIFF( IterateRIFF &parent );
+
+	bool			ChunkAvailable( void );
+	bool			ChunkNext( void );
+
+	unsigned int	ChunkName( void );
+	unsigned int	ChunkSize( void );
+	int				ChunkRead( void *pOutput );
+	int				ChunkReadPartial( void *pOutput, int dataSize );
+	int				ChunkReadInt( void );
+	int				ChunkFilePosition( void ) { return m_chunkPosition; }
+
+private:
+	const IterateRIFF & operator=( const IterateRIFF & );
+
+	void	ChunkSetup( void );
+	void	ChunkClear( void );
+
+	InFileRIFF			&m_riff;
+	int					m_start;
+	int					m_size;
+
+	unsigned int		m_chunkName;
+	int					m_chunkSize;
+	int					m_chunkPosition;
+};
+
+class IFileWriteBinary
+{
+public:
+	virtual int create( const char *pFileName ) = 0;
+	virtual int write( void *pData, int size, int file ) = 0;
+	virtual void close( int file ) = 0;
+	virtual void seek( int file, int pos ) = 0;
+	virtual unsigned int tell( int file ) = 0;
+};
+//-----------------------------------------------------------------------------
+// Purpose: Used to write a RIFF format file
+//-----------------------------------------------------------------------------
+class OutFileRIFF
+{
+public:
+	OutFileRIFF( const char *pFileName, IFileWriteBinary &io );
+	~OutFileRIFF( void );
+
+	bool	WriteInt( int number );
+	bool 	WriteData( void *pOutput, int dataSize );
+	int		PositionGet( void );
+	void	PositionSet( int position );
+	bool	IsValid( void ) { return m_file != 0; }
+	
+	void    HasLISETData( int position );
+
+private:
+	const OutFileRIFF & operator=( const OutFileRIFF & );
+
+	IFileWriteBinary	&m_io;
+	int					m_file;
+	unsigned int		m_riffName;
+	unsigned int		m_riffSize;
+	unsigned int		m_nNamePos;
+
+	// hack to make liset work correctly
+	bool				m_bUseIncorrectLISETLength;
+	int					m_nLISETSize;
+
+
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Used to iterate over an InFileRIFF
+//-----------------------------------------------------------------------------
+class IterateOutputRIFF
+{
+public:
+	IterateOutputRIFF( OutFileRIFF &riff );
+	IterateOutputRIFF( IterateOutputRIFF &parent );
+
+	void			ChunkStart( unsigned int chunkname );
+	void			ChunkFinish( void );
+
+	void			ChunkWrite( unsigned int chunkname, void *pOutput, int size );
+	void			ChunkWriteInt( int number );
+	void			ChunkWriteData( void *pOutput, int size );
+
+	int				ChunkFilePosition( void ) { return m_chunkPosition; }
+
+	unsigned int	ChunkGetPosition( void );
+	void			ChunkSetPosition( int position );
+
+	void			CopyChunkData( IterateRIFF& input );
+
+	void			SetLISETData( int position );
+
+private:
+
+	const IterateOutputRIFF & operator=( const IterateOutputRIFF & );
+
+	OutFileRIFF			&m_riff;
+	int					m_start;
+	int					m_size;
+
+	unsigned int		m_chunkName;
+	int					m_chunkSize;
+	int					m_chunkPosition;
+	int					m_chunkStart;
+};
+
+#define RIFF_ID					MAKEID('R','I','F','F')
+#define RIFF_WAVE				MAKEID('W','A','V','E')
+#define WAVE_FMT				MAKEID('f','m','t',' ')
+#define WAVE_DATA				MAKEID('d','a','t','a')
+#define WAVE_FACT				MAKEID('f','a','c','t')
+#define WAVE_CUE				MAKEID('c','u','e',' ')
+#define WAVE_SAMPLER			MAKEID('s','m','p','l')
+#define WAVE_VALVEDATA			MAKEID('V','D','A','T')
+#define WAVE_PADD				MAKEID('P','A','D','D')
+#define WAVE_LIST				MAKEID('L','I','S','T') 
+
+#ifndef WAVE_FORMAT_PCM
+#define WAVE_FORMAT_PCM			0x0001
+#endif
+#ifndef WAVE_FORMAT_ADPCM
+#define WAVE_FORMAT_ADPCM		0x0002
+#endif
+#define WAVE_FORMAT_XBOX_ADPCM	0x0069
+#ifndef WAVE_FORMAT_XMA
+#define WAVE_FORMAT_XMA			0x0165
+#endif
+
+#endif // RIFF_H
diff --git a/public/tier2/soundutils.h b/public/tier2/soundutils.h
new file mode 100644
index 0000000..eca1337
--- /dev/null
+++ b/public/tier2/soundutils.h
@@ -0,0 +1,31 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Helper methods + classes for sound
+//
+//===========================================================================//
+
+#ifndef SOUNDUTILS_H
+#define SOUNDUTILS_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#include "tier2/riff.h"
+
+
+//-----------------------------------------------------------------------------
+// RIFF reader/writers that use the file system
+//-----------------------------------------------------------------------------
+extern IFileReadBinary *g_pFSIOReadBinary;
+extern IFileWriteBinary *g_pFSIOWriteBinary;
+
+
+//-----------------------------------------------------------------------------
+// Returns the duration of a wav file
+//-----------------------------------------------------------------------------
+float GetWavSoundDuration( const char *pWavFile );
+
+
+#endif // SOUNDUTILS_H
+
diff --git a/public/tier2/tier2.h b/public/tier2/tier2.h
new file mode 100644
index 0000000..68bb6bb
--- /dev/null
+++ b/public/tier2/tier2.h
@@ -0,0 +1,128 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A higher level link library for general use in the game and tools.
+//
+//===========================================================================//
+
+
+#ifndef TIER2_H
+#define TIER2_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#include "tier1/tier1.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class IFileSystem;
+class IMaterialSystem;
+class IColorCorrectionSystem;
+class IMaterialSystemHardwareConfig;
+class IDebugTextureInfo;
+class IVBAllocTracker;
+class IInputSystem;
+class INetworkSystem;
+class IP4;
+class IMdlLib;
+class IQueuedLoader;
+
+
+//-----------------------------------------------------------------------------
+// These tier2 libraries must be set by any users of this library.
+// They can be set by calling ConnectTier2Libraries or InitDefaultFileSystem.
+// It is hoped that setting this, and using this library will be the common mechanism for
+// allowing link libraries to access tier2 library interfaces
+//-----------------------------------------------------------------------------
+extern IFileSystem *g_pFullFileSystem;
+extern IMaterialSystem *materials;
+extern IMaterialSystem *g_pMaterialSystem;
+extern IInputSystem *g_pInputSystem;
+extern INetworkSystem *g_pNetworkSystem;
+extern IMaterialSystemHardwareConfig *g_pMaterialSystemHardwareConfig;
+extern IDebugTextureInfo *g_pMaterialSystemDebugTextureInfo;
+extern IVBAllocTracker *g_VBAllocTracker;
+extern IColorCorrectionSystem *colorcorrection;
+extern IP4 *p4;
+extern IMdlLib *mdllib;
+extern IQueuedLoader *g_pQueuedLoader;
+
+
+//-----------------------------------------------------------------------------
+// Call this to connect to/disconnect from all tier 2 libraries.
+// It's up to the caller to check the globals it cares about to see if ones are missing
+//-----------------------------------------------------------------------------
+void ConnectTier2Libraries( CreateInterfaceFn *pFactoryList, int nFactoryCount );
+void DisconnectTier2Libraries();
+
+
+//-----------------------------------------------------------------------------
+// Call this to get the file system set up to stdio for utilities, etc:
+//-----------------------------------------------------------------------------
+void InitDefaultFileSystem(void);
+void ShutdownDefaultFileSystem(void);
+
+
+//-----------------------------------------------------------------------------
+// for simple utilities using valve libraries, call the entry point below in main(). It will
+// init a filesystem for you, init mathlib, and create the command line.
+//-----------------------------------------------------------------------------
+void InitCommandLineProgram( int argc, char **argv );
+
+
+//-----------------------------------------------------------------------------
+// Helper empty implementation of an IAppSystem for tier2 libraries
+//-----------------------------------------------------------------------------
+template< class IInterface, int ConVarFlag = 0 > 
+class CTier2AppSystem : public CTier1AppSystem< IInterface, ConVarFlag >
+{
+	typedef CTier1AppSystem< IInterface, ConVarFlag > BaseClass;
+
+public:
+	CTier2AppSystem( bool bIsPrimaryAppSystem = true ) : BaseClass( bIsPrimaryAppSystem )
+	{
+	}
+
+	virtual bool Connect( CreateInterfaceFn factory ) 
+	{
+		if ( !BaseClass::Connect( factory ) )
+			return false;
+
+		if ( BaseClass::IsPrimaryAppSystem() )
+		{
+			ConnectTier2Libraries( &factory, 1 );
+		}
+
+		return true;
+	}
+
+	virtual InitReturnVal_t Init()
+	{
+		InitReturnVal_t nRetVal = BaseClass::Init();
+		if ( nRetVal != INIT_OK )
+			return nRetVal;
+
+		return INIT_OK;
+	}
+
+	virtual void Shutdown()
+	{
+		BaseClass::Shutdown();
+	}
+
+	virtual void Disconnect() 
+	{
+		if ( BaseClass::IsPrimaryAppSystem() )
+		{
+			DisconnectTier2Libraries();
+		}
+		BaseClass::Disconnect();
+	}
+};
+
+
+#endif // TIER2_H
+
diff --git a/public/tier2/tier2dm.h b/public/tier2/tier2dm.h
new file mode 100644
index 0000000..40ce58b
--- /dev/null
+++ b/public/tier2/tier2dm.h
@@ -0,0 +1,76 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A higher level link library for general use in the game and tools.
+//
+//===========================================================================//
+
+
+#ifndef TIER2DM_H
+#define TIER2DM_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#include "tier2/tier2.h"
+
+//-----------------------------------------------------------------------------
+// Set up methods related to datamodel interfaces
+//-----------------------------------------------------------------------------
+bool ConnectDataModel( CreateInterfaceFn factory );
+InitReturnVal_t InitDataModel();
+void ShutdownDataModel();
+void DisconnectDataModel();
+
+//-----------------------------------------------------------------------------
+// Helper empty implementation of an IAppSystem for tier2 libraries
+//-----------------------------------------------------------------------------
+template< class IInterface, int ConVarFlag = 0 > 
+class CTier2DmAppSystem : public CTier2AppSystem< IInterface, ConVarFlag >
+{
+	typedef CTier2AppSystem< IInterface, ConVarFlag > BaseClass;
+
+public:
+	CTier2DmAppSystem( bool bIsPrimaryAppSystem = true ) : BaseClass( bIsPrimaryAppSystem )
+	{
+	}
+
+	virtual bool Connect( CreateInterfaceFn factory ) 
+	{
+		if ( !BaseClass::Connect( factory ) )
+			return false;
+
+		ConnectDataModel( factory );
+
+		return true;
+	}
+
+	virtual InitReturnVal_t Init()
+	{
+		InitReturnVal_t nRetVal = BaseClass::Init();
+		if ( nRetVal != INIT_OK )
+			return nRetVal;
+
+		nRetVal = InitDataModel();
+		if ( nRetVal != INIT_OK )
+			return nRetVal;
+
+		return INIT_OK;
+	}
+
+	virtual void Shutdown()
+	{
+		ShutdownDataModel();
+		BaseClass::Shutdown();
+	}
+
+	virtual void Disconnect() 
+	{
+		DisconnectDataModel();
+		BaseClass::Disconnect();
+	}
+};
+
+
+#endif // TIER2DM_H
+
diff --git a/public/tier2/utlstreambuffer.h b/public/tier2/utlstreambuffer.h
new file mode 100644
index 0000000..d1d9c11
--- /dev/null
+++ b/public/tier2/utlstreambuffer.h
@@ -0,0 +1,71 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+// Serialization/unserialization buffer
+//=============================================================================//
+
+#ifndef UTLSTREAMBUFFER_H
+#define UTLSTREAMBUFFER_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/utlbuffer.h"
+#include "filesystem.h"
+
+
+//-----------------------------------------------------------------------------
+// Command parsing..
+//-----------------------------------------------------------------------------
+class CUtlStreamBuffer : public CUtlBuffer
+{
+	typedef CUtlBuffer BaseClass;
+
+public:
+	// See CUtlBuffer::BufferFlags_t for flags
+	CUtlStreamBuffer( );
+	CUtlStreamBuffer( const char *pFileName, const char *pPath, int nFlags = 0, bool bDelayOpen = false );
+	~CUtlStreamBuffer();
+
+	// Open the file. normally done in constructor
+	void Open( const char *pFileName, const char *pPath, int nFlags );
+
+	// close the file. normally done in destructor
+	void Close();
+
+	// Is the file open?
+	bool IsOpen() const;
+
+private:
+	// error flags
+	enum
+	{
+		FILE_OPEN_ERROR = MAX_ERROR_FLAG << 1,
+		FILE_WRITE_ERROR = MAX_ERROR_FLAG << 2,
+	};
+
+	// Overflow functions
+	bool StreamPutOverflow( int nSize );
+	bool StreamGetOverflow( int nSize );
+
+	// Grow allocation size to fit requested size
+	void GrowAllocatedSize( int nSize );
+
+	// Reads bytes from the file; fixes up maxput if necessary and null terminates
+	int ReadBytesFromFile( int nBytesToRead, int nReadOffset );
+
+	FileHandle_t OpenFile( const char *pFileName, const char *pPath );
+
+	FileHandle_t m_hFileHandle;
+
+	char *m_pFileName;
+	char *m_pPath;
+};
+
+
+#endif // UTLSTREAMBUFFER_H
+
diff --git a/public/tier2/vconfig.h b/public/tier2/vconfig.h
new file mode 100644
index 0000000..2ccf9d1
--- /dev/null
+++ b/public/tier2/vconfig.h
@@ -0,0 +1,29 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Utilities for setting vproject settings
+//
+//===========================================================================//
+
+#ifndef _VCONFIG_H
+#define _VCONFIG_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+// The registry keys that vconfig uses to store the current vproject directory.
+//#define VPROJECT_REG_KEY	"SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment"
+// Moved to simply 'Environment' - we need to set in HKEY_CURRENT_USER and not local machine, to avoid security issues in vista!
+#define VPROJECT_REG_KEY "Environment"
+
+// For accessing the environment variables we store the current vproject in.
+void SetVConfigRegistrySetting( const char *pName, const char *pValue, bool bNotify = true );
+bool GetVConfigRegistrySetting( const char *pName, char *pReturn, int size );
+#ifdef _WIN32
+bool RemoveObsoleteVConfigRegistrySetting( const char *pValueName, char *pOldValue = NULL , int size = 0 ); 
+#endif
+bool ConvertObsoleteVConfigRegistrySetting( const char *pValueName );
+
+
+#endif // _VCONFIG_H
\ No newline at end of file