1

common/GameUI/IGameConsole.h

@@ -0,0 +1,41 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#ifndef IGAMECONSOLE_H
+#define IGAMECONSOLE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/interface.h"
+
+
+//-----------------------------------------------------------------------------
+// Purpose: interface to game/dev console
+//-----------------------------------------------------------------------------
+abstract_class IGameConsole : public IBaseInterface
+{
+public:
+	// activates the console, makes it visible and brings it to the foreground
+	virtual void Activate() = 0;
+
+	virtual void Initialize() = 0;
+
+	// hides the console
+	virtual void Hide() = 0;
+
+	// clears the console
+	virtual void Clear() = 0;
+
+	// return true if the console has focus
+	virtual bool IsConsoleVisible() = 0;
+
+	virtual void SetParent( int parent ) = 0;
+};
+
+#define GAMECONSOLE_INTERFACE_VERSION "GameConsole004"
+
+#endif // IGAMECONSOLE_H

common/GameUI/IGameUI.h

@@ -0,0 +1,121 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef IGAMEUI_H
+#define IGAMEUI_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "interface.h"
+#include "vgui/IPanel.h"
+
+#if !defined( _X360 )
+#include "xbox/xboxstubs.h"
+#endif
+
+// reasons why the user can't connect to a game server
+enum ESteamLoginFailure
+{
+	STEAMLOGINFAILURE_NONE,
+	STEAMLOGINFAILURE_BADTICKET,
+	STEAMLOGINFAILURE_NOSTEAMLOGIN,
+	STEAMLOGINFAILURE_VACBANNED,
+	STEAMLOGINFAILURE_LOGGED_IN_ELSEWHERE
+};
+
+enum ESystemNotify
+{
+	SYSTEMNOTIFY_STORAGEDEVICES_CHANGED,
+	SYSTEMNOTIFY_USER_SIGNEDIN,
+	SYSTEMNOTIFY_USER_SIGNEDOUT,
+	SYSTEMNOTIFY_XUIOPENING,
+	SYSTEMNOTIFY_XUICLOSED,
+	SYSTEMNOTIFY_INVITE_SHUTDOWN,	// Cross-game invite is causing us to shutdown
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: contains all the functions that the GameUI dll exports
+//-----------------------------------------------------------------------------
+abstract_class IGameUI 
+{
+public:
+	// initialization/shutdown
+	virtual void Initialize( CreateInterfaceFn appFactory ) = 0;
+	virtual void PostInit() = 0;
+
+	// connect to other interfaces at the same level (gameui.dll/server.dll/client.dll)
+	virtual void Connect( CreateInterfaceFn gameFactory ) = 0;
+
+	virtual void Start() = 0;
+	virtual void Shutdown() = 0;
+	virtual void RunFrame() = 0;
+
+	// notifications
+	virtual void OnGameUIActivated() = 0;
+	virtual void OnGameUIHidden() = 0;
+	
+	// OLD: Use OnConnectToServer2
+	virtual void OLD_OnConnectToServer(const char *game, int IP, int port) = 0; 
+	
+	virtual void OnDisconnectFromServer_OLD( uint8 eSteamLoginFailure, const char *username ) = 0;
+	virtual void OnLevelLoadingStarted(bool bShowProgressDialog) = 0;
+	virtual void OnLevelLoadingFinished(bool bError, const char *failureReason, const char *extendedReason) = 0;
+
+	// level loading progress, returns true if the screen needs updating
+	virtual bool UpdateProgressBar(float progress, const char *statusText) = 0;
+	// Shows progress desc, returns previous setting... (used with custom progress bars )
+	virtual bool SetShowProgressText( bool show ) = 0;
+
+	// !!!!!!!!!members added after "GameUI011" initial release!!!!!!!!!!!!!!!!!!!
+	virtual void ShowNewGameDialog( int chapter ) = 0;
+
+	// Xbox 360
+	virtual void SessionNotification( const int notification, const int param = 0 ) = 0;
+	virtual void SystemNotification( const int notification ) = 0;
+	virtual void ShowMessageDialog( const uint nType, vgui::Panel *pOwner ) = 0;
+	virtual void UpdatePlayerInfo( uint64 nPlayerId, const char *pName, int nTeam, byte cVoiceState, int nPlayersNeeded, bool bHost ) = 0;
+	virtual void SessionSearchResult( int searchIdx, void *pHostData, XSESSION_SEARCHRESULT *pResult, int ping ) = 0;
+	virtual void OnCreditsFinished( void ) = 0;
+
+	// inserts specified panel as background for level load dialog
+	virtual void SetLoadingBackgroundDialog( vgui::VPANEL panel ) = 0;
+
+	// Bonus maps interfaces
+	virtual void BonusMapUnlock( const char *pchFileName = NULL, const char *pchMapName = NULL ) = 0;
+	virtual void BonusMapComplete( const char *pchFileName = NULL, const char *pchMapName = NULL ) = 0;
+	virtual void BonusMapChallengeUpdate( const char *pchFileName, const char *pchMapName, const char *pchChallengeName, int iBest ) = 0;
+	virtual void BonusMapChallengeNames( char *pchFileName, char *pchMapName, char *pchChallengeName ) = 0;
+	virtual void BonusMapChallengeObjectives( int &iBronze, int &iSilver, int &iGold ) = 0;
+	virtual void BonusMapDatabaseSave( void ) = 0;
+	virtual int BonusMapNumAdvancedCompleted( void ) = 0;
+	virtual void BonusMapNumMedals( int piNumMedals[ 3 ] ) = 0;
+
+	virtual void OnConnectToServer2(const char *game, int IP, int connectionPort, int queryPort) = 0;
+
+	// X360 Storage device validation:
+	//		returns true right away if storage device has been previously selected.
+	//		otherwise returns false and will set the variable pointed by pStorageDeviceValidated to 1
+	//				  once the storage device is selected by user.
+	virtual bool ValidateStorageDevice( int *pStorageDeviceValidated ) = 0;
+
+	virtual void SetProgressOnStart() = 0;
+	virtual void OnDisconnectFromServer( uint8 eSteamLoginFailure ) = 0;
+
+	virtual void OnConfirmQuit( void ) = 0;
+
+	virtual bool IsMainMenuVisible( void ) = 0;
+
+	// Client DLL is providing us with a panel that it wants to replace the main menu with
+	virtual void SetMainMenuOverride( vgui::VPANEL panel ) = 0;
+	// Client DLL is telling us that a main menu command was issued, probably from its custom main menu panel
+	virtual void SendMainMenuCommand( const char *pszCommand ) = 0;
+};
+
+#define GAMEUI_INTERFACE_VERSION "GameUI011"
+
+#endif // IGAMEUI_H

common/GameUI/ObjectList.cpp

@@ -0,0 +1,243 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include <stdio.h>
+#include <malloc.h>
+#include "ObjectList.h"
+#include "tier1/strtools.h"
+
+//#include "port.h"
+//#include "mem.h"
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+ObjectList::ObjectList()
+{
+	head = tail = current = NULL;
+	number = 0;
+}
+
+ObjectList::~ObjectList()
+{
+	Clear( false );
+}
+
+bool ObjectList::AddHead(void * newObject)
+{
+	// create new element
+	element_t * newElement = (element_t *) calloc(1, sizeof(element_t));
+
+	if (newElement == NULL )
+		return false; // out of memory
+
+	// insert element
+	newElement->object = newObject;
+
+	if (head)
+	{
+		newElement->next = head;
+		head->prev = newElement;
+	};
+
+	head = newElement;
+	
+	// if list was empty set new tail
+	if (tail==NULL) tail = head;	
+
+	number++;
+
+	return true;
+
+}
+
+void * ObjectList::RemoveHead()
+{
+	void * retObj;
+	
+	// check head is present
+	if (head)
+	{
+		retObj = head->object;
+		element_t * newHead  = head->next;
+		if (newHead) newHead->prev = NULL;
+
+		// if only one element is in list also update tail
+		// if we remove this prev element
+		if (tail==head) tail = NULL;
+
+		free(head);
+		head = newHead;
+
+		number--;
+
+	} else
+	  retObj = NULL;
+
+	return retObj;
+}
+
+bool ObjectList::AddTail(void * newObject)
+{
+	element_t * newElement = (element_t *) calloc(1, sizeof(element_t));
+
+	if (newElement == NULL) 
+		return false; // out of memory;
+
+	newElement->object = newObject;
+
+	if (tail)
+	{
+		newElement->prev = tail;
+		tail->next = newElement;
+	}
+
+	tail = newElement;
+
+	// if list was empty set new head
+	if (head==NULL) head = tail;
+
+	number++;
+
+	return true;
+
+}
+
+void * ObjectList::RemoveTail()
+{
+	void * retObj;
+	
+	// check tail is present
+	if (tail)
+	{
+		retObj = tail->object;
+		element_t * newTail  = tail->prev;
+		if (newTail) newTail->next = NULL;
+
+		// if only one element is in list also update tail
+		// if we remove this prev element
+		if (head==tail) head = NULL;
+
+		free(tail);
+		tail = newTail;
+
+		number--;
+
+	} else
+		retObj = NULL;
+
+	return retObj;
+}
+
+bool ObjectList::IsEmpty()
+{
+	return ( head == NULL );
+}
+
+int ObjectList::CountElements()
+{
+	return number;
+}
+
+bool ObjectList::Contains(void * object)
+{
+	element_t * e = head;
+
+	while(e && e->object!=object) { e = e->next;}
+
+	if ( e )
+	{
+		current = e;
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}
+
+void ObjectList::Clear( bool freeElementsMemory )
+{
+	element_t * ne;
+
+	element_t * e = head;
+	while(e)
+	{
+		ne = e->next; 
+
+		if ( freeElementsMemory && e->object )
+			free( e->object );
+
+		free(e);
+		e = ne; 
+	}
+
+	head = tail = current = NULL;
+	number = 0;
+
+}
+
+bool ObjectList::Remove( void * object )
+{
+	element_t * e = head;
+
+	while(e && e->object!=object) { e = e->next;}
+
+	if (e!=NULL)
+	{
+		if (e->prev) e->prev->next = e->next;
+		if (e->next) e->next->prev = e->prev;
+		if (head==e) head = e->next;
+		if (tail==e) tail = e->prev;
+		if (current == e) current= e->next;
+		free(e);
+		number--;
+	}
+
+	return (e!=NULL);
+}
+
+void ObjectList::Init()
+{
+	head = tail = current = NULL;
+	number = 0;
+}
+
+void * ObjectList::GetFirst()
+{
+	if (head)
+	{
+		current = head->next;
+		return head->object;
+	} 
+	else
+	{
+		current = NULL;
+		return NULL;
+	};
+	
+}
+
+void * ObjectList::GetNext()
+{
+	void * retObj = NULL;
+	if (current)
+	{	
+		retObj = current->object;
+		current = current->next;
+	}
+	return retObj;
+}
+
+bool ObjectList::Add(void *newObject)
+{
+	return AddTail( newObject );
+}
+

common/GameUI/ObjectList.h

@@ -0,0 +1,58 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// ObjectList.h: interface for the ObjectList class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#ifndef OBJECTLIST_H
+#define OBJECTLIST_H
+
+#pragma once
+
+#include "IObjectContainer.h"	// Added by ClassView
+
+class ObjectList : public IObjectContainer  
+{
+public:
+	void	Init();
+	bool	Add( void * newObject );
+	void *	GetFirst();
+	void *	GetNext();
+	
+
+
+	ObjectList();
+	virtual ~ObjectList();
+
+	void	Clear( bool freeElementsMemory );
+	int		CountElements();
+	void *	RemoveTail();
+	void *	RemoveHead();
+
+	bool	AddTail(void * newObject);
+	bool	AddHead(void * newObject);
+	bool	Remove(void * object);
+	bool	Contains(void * object);
+	bool	IsEmpty();
+
+	typedef struct element_s {
+		element_s *	prev;	// pointer to the last element or NULL
+		element_s *	next;	// pointer to the next elemnet or NULL
+		void *		object;	// the element's object
+	} element_t;
+
+protected:
+
+	element_t *	head;	// first element in list
+	element_t *	tail;	// last element in list
+	element_t *	current; // current element in list
+	int			number;
+
+};
+
+#endif // !defined

common/GameUI/Random.cpp

@@ -0,0 +1,131 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Basic random number generator
+//
+// $NoKeywords: $
+//===========================================================================//
+
+
+#include <time.h>
+#include "Random.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define IA 16807
+#define IM 2147483647
+#define IQ 127773
+#define IR 2836
+#define NTAB 32
+#define NDIV (1+(IM-1)/NTAB)
+
+static long idum = 0;
+
+void SeedRandomNumberGenerator(long lSeed)
+{
+	if (lSeed)
+	{
+		idum = lSeed;
+	}
+	else
+	{
+		idum = -time(NULL);
+	}
+	if (1000 < idum)
+	{
+		idum = -idum;
+	}
+	else if (-1000 < idum)
+	{
+		idum -= 22261048;
+	}
+}
+
+long ran1(void)
+{
+	int j;
+	long k;
+	static long iy=0;
+	static long iv[NTAB];
+	
+	if (idum <= 0 || !iy)
+	{
+		if (-(idum) < 1) idum=1;
+		else idum = -(idum);
+		for (j=NTAB+7;j>=0;j--)
+		{
+			k=(idum)/IQ;
+			idum=IA*(idum-k*IQ)-IR*k;
+			if (idum < 0) idum += IM;
+			if (j < NTAB) iv[j] = idum;
+		}
+		iy=iv[0];
+	}
+	k=(idum)/IQ;
+	idum=IA*(idum-k*IQ)-IR*k;
+	if (idum < 0) idum += IM;
+	j=iy/NDIV;
+	iy=iv[j];
+	iv[j] = idum;
+
+	return iy;
+}
+
+// fran1 -- return a random floating-point number on the interval [0,1)
+//
+#define AM (1.0/IM)
+#define EPS 1.2e-7
+#define RNMX (1.0-EPS)
+float fran1(void)
+{
+	float temp = (float)AM*ran1();
+	if (temp > RNMX) return (float)RNMX;
+	else return temp;
+}
+
+#ifndef _XBOX
+float RandomFloat( float flLow, float flHigh )
+{
+	if (idum == 0)
+	{
+		SeedRandomNumberGenerator(0);
+	}
+
+	float fl = fran1(); // float in [0,1)
+	return (fl * (flHigh-flLow)) + flLow; // float in [low,high)
+}
+#endif
+
+long RandomLong( long lLow, long lHigh )
+{
+	if (idum == 0)
+	{
+		SeedRandomNumberGenerator(0);
+	}
+
+	unsigned long maxAcceptable;
+	unsigned long x = lHigh-lLow+1;
+	unsigned long n;
+	if (x <= 0 || MAX_RANDOM_RANGE < x-1)
+	{
+		return lLow;
+	}
+
+	// The following maps a uniform distribution on the interval [0,MAX_RANDOM_RANGE]
+	// to a smaller, client-specified range of [0,x-1] in a way that doesn't bias
+	// the uniform distribution unfavorably. Even for a worst case x, the loop is
+	// guaranteed to be taken no more than half the time, so for that worst case x,
+	// the average number of times through the loop is 2. For cases where x is
+	// much smaller than MAX_RANDOM_RANGE, the average number of times through the
+	// loop is very close to 1.
+	//
+	maxAcceptable = MAX_RANDOM_RANGE - ((MAX_RANDOM_RANGE+1) % x );
+	do
+	{
+		n = ran1();
+	} while (n > maxAcceptable);
+
+	return lLow + (n % x);
+}
+
+

common/GameUI/Random.h

@@ -0,0 +1,30 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Generalized 32-bit random number generator
+//			Range is 0x00000000 - 0x7FFFFFFF
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef RANDOM_H
+#define RANDOM_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+// the random number seeding is automatic
+
+#define MAX_RANDOM_RANGE 0x7FFFFFFFUL
+
+// restarts random generator 
+// setting lSeed to 0 causes the current time to be used as the seed
+// random number generator will automatically seed itself on first use with current time if this is not called
+extern void SeedRandomNumberGenerator(long lSeed = 0);
+
+// returns a random integer of range [low, high]
+extern long RandomLong( long lLow, long lHigh );
+
+// returns a random float of range [low, high)
+extern float RandomFloat( float flLow, float flHigh );
+
+#endif // RANDOM_H

common/GameUI/cvarslider.cpp

@@ -0,0 +1,334 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cvarslider.h"
+#include <stdio.h>
+#include "tier1/KeyValues.h"
+#include "tier1/convar.h"
+#include <vgui/IVGui.h>
+#include <vgui_controls/PropertyPage.h>
+
+#define CVARSLIDER_SCALE_FACTOR 100.0f
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+using namespace vgui;
+
+DECLARE_BUILD_FACTORY( CCvarSlider );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCvarSlider::CCvarSlider( Panel *parent, const char *name ) : Slider( parent, name )
+{
+	SetupSlider( 0, 1, "", false );
+	m_bCreatedInCode = false;
+
+	AddActionSignalTarget( this );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCvarSlider::CCvarSlider( Panel *parent, const char *panelName, char const *caption,
+		float minValue, float maxValue, char const *cvarname, bool bAllowOutOfRange )
+  : Slider( parent, panelName )
+{
+	AddActionSignalTarget( this );
+
+	SetupSlider( minValue, maxValue, cvarname, bAllowOutOfRange );
+
+	// For backwards compatability. Ignore .res file settings for forced setup sliders.
+	m_bCreatedInCode = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::SetupSlider( float minValue, float maxValue, const char *cvarname, bool bAllowOutOfRange )
+{
+	// make sure min/max don't go outside cvar range if there's one
+	ConVarRef var( cvarname, true );
+	if ( var.IsValid() )
+	{
+		float flCVarMin;
+		if ( var.GetMin( flCVarMin ) )
+		{
+			minValue = m_bUseConVarMinMax ? flCVarMin : MAX( minValue, flCVarMin );
+		}
+		float flCVarMax;
+		if ( var.GetMax( flCVarMax ) )
+		{
+			maxValue = m_bUseConVarMinMax ? flCVarMax : MIN( maxValue, flCVarMax );
+		}
+	}
+
+	m_flMinValue = minValue;
+	m_flMaxValue = maxValue;
+
+	// scale by CVARSLIDER_SCALE_FACTOR
+	SetRange( (int)( CVARSLIDER_SCALE_FACTOR * minValue ), (int)( CVARSLIDER_SCALE_FACTOR * maxValue ) );
+
+	char szMin[ 32 ];
+	char szMax[ 32 ];
+
+	Q_snprintf( szMin, sizeof( szMin ), "%.2f", minValue );
+	Q_snprintf( szMax, sizeof( szMax ), "%.2f", maxValue );
+
+	SetTickCaptions( szMin, szMax );
+
+	Q_strncpy( m_szCvarName, cvarname, sizeof( m_szCvarName ) );
+
+    m_bModifiedOnce = false;
+    m_bAllowOutOfRange = bAllowOutOfRange;
+
+	// Set slider to current value
+	Reset();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCvarSlider::~CCvarSlider()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::ApplySettings( KeyValues *inResourceData )
+{
+	BaseClass::ApplySettings( inResourceData );
+
+	if ( !m_bCreatedInCode )
+	{
+		float minValue = inResourceData->GetFloat( "minvalue", 0 );
+		float maxValue = inResourceData->GetFloat( "maxvalue", 1 );
+		const char *cvarname = inResourceData->GetString( "cvar_name", "" );
+		bool bAllowOutOfRange = inResourceData->GetInt( "allowoutofrange", 0 ) != 0;
+		SetupSlider( minValue, maxValue, cvarname, bAllowOutOfRange );
+
+		if ( GetParent() )
+		{
+			// HACK: If our parent is a property page, we want the dialog containing it
+			if ( dynamic_cast<vgui::PropertyPage*>(GetParent()) && GetParent()->GetParent() )
+			{
+				GetParent()->GetParent()->AddActionSignalTarget( this );
+			}
+			else
+			{
+				GetParent()->AddActionSignalTarget( this );
+			}
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get control settings for editing
+//-----------------------------------------------------------------------------
+void CCvarSlider::GetSettings( KeyValues *outResourceData )
+{
+	BaseClass::GetSettings(outResourceData);
+
+	if ( !m_bCreatedInCode )
+	{
+		outResourceData->SetFloat( "minvalue", m_flMinValue );
+		outResourceData->SetFloat( "maxvalue", m_flMaxValue );
+		outResourceData->SetString( "cvar_name", m_szCvarName );
+		outResourceData->SetInt( "allowoutofrange", m_bAllowOutOfRange );
+	}
+}
+
+void CCvarSlider::SetCVarName( char const *cvarname )
+{
+	Q_strncpy( m_szCvarName, cvarname, sizeof( m_szCvarName ) );
+
+	m_bModifiedOnce = false;
+
+	// Set slider to current value
+	Reset();
+}
+
+void CCvarSlider::SetMinMaxValues( float minValue, float maxValue, bool bSetTickDisplay )
+{
+	SetRange( (int)( CVARSLIDER_SCALE_FACTOR * minValue ), (int)( CVARSLIDER_SCALE_FACTOR * maxValue ) );
+
+	if ( bSetTickDisplay )
+	{
+		char szMin[ 32 ];
+		char szMax[ 32 ];
+
+		Q_snprintf( szMin, sizeof( szMin ), "%.2f", minValue );
+		Q_snprintf( szMax, sizeof( szMax ), "%.2f", maxValue );
+
+
+		SetTickCaptions( szMin, szMax );
+	}
+
+	// Set slider to current value
+	Reset();
+}
+
+void CCvarSlider::SetTickColor( Color color )
+{
+	m_TickColor = color;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::Paint()
+{
+	// Get engine's current value
+//	float curvalue = engine->pfnGetCvarFloat( m_szCvarName );
+	ConVarRef var( m_szCvarName, true );
+	if ( !var.IsValid() )
+		return;
+	float curvalue = var.GetFloat();
+	
+    // did it get changed from under us?
+    if (curvalue != m_fStartValue)
+    {
+        int val = (int)( CVARSLIDER_SCALE_FACTOR * curvalue );
+        m_fStartValue = curvalue;
+        m_fCurrentValue = curvalue;
+        
+        SetValue( val );
+        m_iStartValue = GetValue();
+    }
+
+	BaseClass::Paint();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::ApplyChanges()
+{
+    if (m_bModifiedOnce)
+    {
+        m_iStartValue = GetValue();
+        if (m_bAllowOutOfRange)
+        {
+            m_fStartValue = m_fCurrentValue;
+        }
+        else
+        {
+            m_fStartValue = (float) m_iStartValue / CVARSLIDER_SCALE_FACTOR;
+        }
+    
+		//engine->Cvar_SetValue( m_szCvarName, m_fStartValue );
+		ConVarRef var( m_szCvarName, true );
+		if ( !var.IsValid() )
+			return;
+		var.SetValue( (float)m_fStartValue );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+float CCvarSlider::GetSliderValue()
+{	
+    if (m_bAllowOutOfRange)
+    {
+	    return m_fCurrentValue; 
+    }
+    else
+    {
+        return ((float)GetValue())/ CVARSLIDER_SCALE_FACTOR;
+    }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::SetSliderValue(float fValue)
+{
+    int nVal = (int)( CVARSLIDER_SCALE_FACTOR * fValue );
+    SetValue( nVal, false);
+
+    // remember this slider value
+    m_iLastSliderValue = GetValue();
+
+    if (m_fCurrentValue != fValue)
+    {
+        m_fCurrentValue = fValue;
+        m_bModifiedOnce = true;
+    }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::Reset()
+{
+	// Set slider to current value
+//	m_fStartValue = engine->pfnGetCvarFloat( m_szCvarName );
+	ConVarRef var( m_szCvarName, true );
+	if ( !var.IsValid() )
+	{
+	    m_fCurrentValue = m_fStartValue = 0.0f;
+		SetValue( 0, false );
+		m_iStartValue = GetValue();
+	    m_iLastSliderValue = m_iStartValue;
+		return;
+	}
+	m_fStartValue = var.GetFloat();
+    m_fCurrentValue = m_fStartValue;
+
+    int value = (int)( CVARSLIDER_SCALE_FACTOR * m_fStartValue );
+	SetValue( value, false );
+
+	m_iStartValue = GetValue();
+    m_iLastSliderValue = m_iStartValue;
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CCvarSlider::HasBeenModified()
+{
+    if (GetValue() != m_iStartValue)
+    {
+        m_bModifiedOnce = true;
+    }
+
+    return m_bModifiedOnce;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : position - 
+//-----------------------------------------------------------------------------
+void CCvarSlider::OnSliderMoved()
+{
+	if (HasBeenModified())
+	{
+        if (m_iLastSliderValue != GetValue())
+        {
+            m_iLastSliderValue = GetValue();
+            m_fCurrentValue = ((float) m_iLastSliderValue)/CVARSLIDER_SCALE_FACTOR;
+        }
+
+		// tell parent that we've been modified
+		PostActionSignal(new KeyValues("ControlModified"));
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCvarSlider::OnSliderDragEnd( void )
+{
+	if ( !m_bCreatedInCode )
+	{
+		ApplyChanges();
+	}
+}

common/GameUI/cvarslider.h

@@ -0,0 +1,63 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CVARSLIDER_H
+#define CVARSLIDER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <vgui_controls/Slider.h>
+
+class CCvarSlider : public vgui::Slider
+{
+	DECLARE_CLASS_SIMPLE( CCvarSlider, vgui::Slider );
+
+public:
+
+	CCvarSlider( vgui::Panel *parent, const char *panelName );
+	CCvarSlider( vgui::Panel *parent, const char *panelName, char const *caption,
+		float minValue, float maxValue, char const *cvarname, bool bAllowOutOfRange=false );
+	~CCvarSlider();
+
+	void			SetupSlider( float minValue, float maxValue, const char *cvarname, bool bAllowOutOfRange );
+
+	void			SetCVarName( char const *cvarname );
+	void			SetMinMaxValues( float minValue, float maxValue, bool bSetTickdisplay = true );
+	void			SetTickColor( Color color );
+
+	virtual void	Paint();
+
+	virtual void	ApplySettings( KeyValues *inResourceData );
+	virtual void	GetSettings( KeyValues *outResourceData );
+
+	void			ApplyChanges();
+	float			GetSliderValue();
+    void            SetSliderValue(float fValue);
+    void            Reset();
+    bool            HasBeenModified();
+
+private:
+	MESSAGE_FUNC( OnSliderMoved, "SliderMoved" );
+	MESSAGE_FUNC( OnSliderDragEnd, "SliderDragEnd" );
+
+	CPanelAnimationVar( bool, m_bUseConVarMinMax, "use_convar_minmax", "0" );
+
+    bool        m_bAllowOutOfRange;
+    bool        m_bModifiedOnce;
+    float       m_fStartValue;
+    int         m_iStartValue;
+    int         m_iLastSliderValue;
+    float       m_fCurrentValue;
+	char		m_szCvarName[ 64 ];
+
+	bool		m_bCreatedInCode;
+	float		m_flMinValue;
+	float		m_flMaxValue;
+};
+
+#endif // CVARSLIDER_H

common/GameUI/scriptobject.h

@@ -0,0 +1,155 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef SCRIPTOBJECT_H
+#define SCRIPTOBJECT_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <vgui_controls/Panel.h>
+
+class CPanelListPanel;
+
+#define SCRIPT_VERSION 1.0f
+
+typedef void * FileHandle_t;
+
+enum objtype_t
+{
+	O_BADTYPE,
+	O_BOOL,
+	O_NUMBER,
+	O_LIST,
+	O_STRING,
+	O_OBSOLETE,
+	O_SLIDER,
+	O_CATEGORY,
+};
+
+typedef struct
+{
+	objtype_t type;
+	char szDescription[32];
+} objtypedesc_t;
+
+class CScriptListItem
+{
+public:
+	CScriptListItem();
+	CScriptListItem( char const *strItem, char const *strValue );
+
+	char szItemText[128];
+	char szValue[256];
+
+	CScriptListItem *pNext;
+};
+
+class CScriptObject : public vgui::Panel
+{
+public:
+	void AddItem( CScriptListItem *pItem );
+	void RemoveAndDeleteAllItems( void );
+	CScriptObject( void );
+	~CScriptObject();
+
+	bool ReadFromBuffer( const char **pBuffer, bool isNewObject );
+	void WriteToConfig();
+	void WriteToFile( FileHandle_t fp );
+	void WriteToScriptFile( FileHandle_t fp );
+	void SetCurValue( char const *strValue );
+
+	objtype_t GetType( char *pszType );
+
+	objtype_t type;
+
+	char cvarname[64 ];
+	char prompt[ 256 ];
+	char tooltip[ 256 ];
+
+	CScriptListItem *pListItems;
+
+	float fMin, fMax;
+
+	char	defValue[ 128 ];  // Default value string
+	float   fdefValue; // Float version of default value.
+
+	char	curValue[ 128 ];
+	float   fcurValue;
+
+	bool bSetInfo;  // Prepend "Setinfo" to keyvalue pair in config?
+	// Linked list of default list box items.
+
+	CScriptObject *pNext;
+};
+
+abstract_class CDescription
+{
+public:
+	CDescription( void );
+	virtual ~CDescription();
+
+	bool ReadFromBuffer( const char **pBuffer, bool bAllowNewObject );
+	bool InitFromFile( const char *pszFileName, bool bAllowNewObject = true );
+	void TransferCurrentValues( const char *pszConfigFile );
+
+	void AddObject( CScriptObject *pItem );
+	void WriteToConfig();
+	void WriteToFile( FileHandle_t fp );
+	void WriteToScriptFile( FileHandle_t fp );
+
+	virtual void WriteScriptHeader( FileHandle_t fp ) = 0; // Clients must implement this.
+	virtual void WriteFileHeader( FileHandle_t fp ) = 0; // Clients must implement this.
+
+	void setDescription( const char *pszDesc );
+	void setHint( const char *pszHint );
+
+	const char *GetDescription( void ) { return m_pszDescriptionType; };
+	const char *getHint( void ) { return m_pszHintText; } ;
+public:
+	CScriptObject *pObjList;
+	CScriptObject *FindObject( const char *pszObjectName );
+
+private:
+
+	char *m_pszHintText;
+	char *m_pszDescriptionType;
+};
+
+namespace vgui
+{
+	class Label;
+	class Panel;
+}
+
+class mpcontrol_t : public vgui::Panel
+{
+public:
+	mpcontrol_t( vgui::Panel *parent, char const *panelName );
+
+	virtual	void	OnSizeChanged( int wide, int tall ) OVERRIDE;
+
+	objtype_t		type;
+	vgui::Panel		*pControl;
+	vgui::Label		*pPrompt;
+	CScriptObject	*pScrObj;
+
+	mpcontrol_t		*next;
+};
+
+class CInfoDescription : public CDescription
+{
+public:
+	CInfoDescription( void );
+
+	virtual void WriteScriptHeader( FileHandle_t fp ) OVERRIDE;
+	virtual void WriteFileHeader( FileHandle_t fp ) OVERRIDE; 
+};
+
+void UTIL_StripInvalidCharacters( char *pszInput, int maxlen );
+
+#endif // SCRIPTOBJECT_H