1

public/appframework/AppFramework.h

@@ -0,0 +1,158 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: An application framework 
+//
+// $Revision: $
+// $NoKeywords: $
+//===========================================================================//
+
+#ifndef APPFRAMEWORK_H
+#define APPFRAMEWORK_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "appframework/IAppSystemGroup.h"
+
+
+//-----------------------------------------------------------------------------
+// Gets the application instance..
+//-----------------------------------------------------------------------------
+void *GetAppInstance();
+
+
+//-----------------------------------------------------------------------------
+// Sets the application instance, should only be used if you're not calling AppMain.
+//-----------------------------------------------------------------------------
+void SetAppInstance( void* hInstance );
+
+
+//-----------------------------------------------------------------------------
+// Main entry point for the application
+//-----------------------------------------------------------------------------
+int AppMain( void* hInstance, void* hPrevInstance, const char* lpCmdLine, int nCmdShow, CAppSystemGroup *pAppSystemGroup );
+int AppMain( int argc, char **argv, CAppSystemGroup *pAppSystemGroup );
+
+
+//-----------------------------------------------------------------------------
+// Used to startup/shutdown the application
+//-----------------------------------------------------------------------------
+int AppStartup( void* hInstance, void* hPrevInstance, const char* lpCmdLine, int nCmdShow, CAppSystemGroup *pAppSystemGroup );
+int AppStartup( int argc, char **argv, CAppSystemGroup *pAppSystemGroup );
+void AppShutdown( CAppSystemGroup *pAppSystemGroup );
+
+
+//-----------------------------------------------------------------------------
+// Macros to create singleton application objects for windowed + console apps
+//-----------------------------------------------------------------------------
+#if !defined( _X360 )
+
+#ifdef WIN32
+#define DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( _globalVarName ) \
+	int __stdcall WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )	\
+	{																							\
+		return AppMain( hInstance, hPrevInstance, lpCmdLine, nCmdShow, &_globalVarName );		\
+	}
+#elif defined( OSX )
+#define DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( _globalVarName ) \
+	int main( int argc, char **argv )										\
+	{																							\
+		extern int ValveCocoaMain( int argc, char **argv, CAppSystemGroup *pAppSystemGroup ); \
+		return ValveCocoaMain( argc, argv, &_globalVarName ); \
+	}
+#elif defined( LINUX )
+#define DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( _globalVarName ) \
+	int main( int argc, char **argv )										\
+	{																							\
+		extern int ValveLinuxWindowedMain( int argc, char **argv, CAppSystemGroup *pAppSystemGroup ); \
+		return ValveLinuxWindowedMain( argc, argv, &_globalVarName ); \
+	}
+#else
+#error
+#endif
+	
+#else
+#define DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( _globalVarName )	\
+	void __cdecl main()																\
+	{																				\
+		AppMain( (HINSTANCE)1, (HINSTANCE)0, NULL, 0, &_globalVarName );		\
+	}
+#endif
+
+#if !defined( _X360 )
+#define DEFINE_CONSOLE_APPLICATION_OBJECT_GLOBALVAR( _globalVarName ) \
+	int main( int argc, char **argv )			\
+	{											\
+		return AppMain( argc, argv, &_globalVarName );	\
+	}
+#else
+#define DEFINE_CONSOLE_APPLICATION_OBJECT_GLOBALVAR( _globalVarName ) \
+	void __cdecl main()							\
+	{											\
+		AppMain( 0, (char**)NULL, &_globalVarName );	\
+	}
+#endif
+
+#define DEFINE_WINDOWED_APPLICATION_OBJECT( _className )	\
+	static _className __s_ApplicationObject;				\
+	DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( __s_ApplicationObject )
+
+#define DEFINE_CONSOLE_APPLICATION_OBJECT( _className )	\
+	static _className __s_ApplicationObject;			\
+	DEFINE_CONSOLE_APPLICATION_OBJECT_GLOBALVAR( __s_ApplicationObject )
+
+
+//-----------------------------------------------------------------------------
+// This class is a helper class used for steam-based applications.
+// It loads up the file system in preparation for using it to load other
+// required modules from steam.
+//-----------------------------------------------------------------------------
+class CSteamApplication : public CAppSystemGroup
+{
+	typedef CAppSystemGroup BaseClass;
+
+public:
+	CSteamApplication( CSteamAppSystemGroup *pAppSystemGroup );
+
+	// Implementation of IAppSystemGroup
+	virtual bool Create( );
+	virtual bool PreInit( );
+	virtual int Main( );
+	virtual void PostShutdown();
+	virtual void Destroy();
+
+	// Use this version in cases where you can't control the main loop and
+	// expect to be ticked
+	virtual int Startup();
+	virtual void Shutdown();
+
+protected:
+	IFileSystem *m_pFileSystem;
+	CSteamAppSystemGroup *m_pChildAppSystemGroup;
+	bool m_bSteam;
+};
+
+
+//-----------------------------------------------------------------------------
+// Macros to help create singleton application objects for windowed + console steam apps
+//-----------------------------------------------------------------------------
+#define DEFINE_WINDOWED_STEAM_APPLICATION_OBJECT_GLOBALVAR( _className, _varName )	\
+	static CSteamApplication __s_SteamApplicationObject( &_varName );	\
+	DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( __s_SteamApplicationObject )
+
+#define DEFINE_WINDOWED_STEAM_APPLICATION_OBJECT( _className )	\
+	static _className __s_ApplicationObject;				\
+	static CSteamApplication __s_SteamApplicationObject( &__s_ApplicationObject );	\
+	DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( __s_SteamApplicationObject )
+
+#define DEFINE_CONSOLE_STEAM_APPLICATION_OBJECT_GLOBALVAR( _className, _varName )	\
+	static CSteamApplication __s_SteamApplicationObject( &_varName );	\
+	DEFINE_CONSOLE_APPLICATION_OBJECT_GLOBALVAR( __s_SteamApplicationObject )
+
+#define DEFINE_CONSOLE_STEAM_APPLICATION_OBJECT( _className )	\
+	static _className __s_ApplicationObject;			\
+	static CSteamApplication __s_SteamApplicationObject( &__s_ApplicationObject );	\
+	DEFINE_CONSOLE_APPLICATION_OBJECT_GLOBALVAR( __s_SteamApplicationObject )
+
+#endif // APPFRAMEWORK_H

public/appframework/IAppSystem.h

@@ -0,0 +1,122 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: An application framework 
+//
+// $Revision: $
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef IAPPSYSTEM_H
+#define IAPPSYSTEM_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/interface.h"
+
+
+//-----------------------------------------------------------------------------
+// Client systems are singleton objects in the client codebase responsible for
+// various tasks
+// The order in which the client systems appear in this list are the
+// order in which they are initialized and updated. They are shut down in
+// reverse order from which they are initialized.
+//-----------------------------------------------------------------------------
+
+enum InitReturnVal_t
+{
+	INIT_FAILED = 0,
+	INIT_OK,
+
+	INIT_LAST_VAL,
+};
+
+
+abstract_class IAppSystem
+{
+public:
+	// Here's where the app systems get to learn about each other 
+	virtual bool Connect( CreateInterfaceFn factory ) = 0;
+	virtual void Disconnect() = 0;
+
+	// Here's where systems can access other interfaces implemented by this object
+	// Returns NULL if it doesn't implement the requested interface
+	virtual void *QueryInterface( const char *pInterfaceName ) = 0;
+
+	// Init, shutdown
+	virtual InitReturnVal_t Init() = 0;
+	virtual void Shutdown() = 0;
+};
+
+
+//-----------------------------------------------------------------------------
+// Helper empty implementation of an IAppSystem
+//-----------------------------------------------------------------------------
+template< class IInterface > 
+class CBaseAppSystem : public IInterface
+{
+public:
+	// Here's where the app systems get to learn about each other 
+	virtual bool Connect( CreateInterfaceFn factory ) { return true; }
+	virtual void Disconnect() {}
+
+	// Here's where systems can access other interfaces implemented by this object
+	// Returns NULL if it doesn't implement the requested interface
+	virtual void *QueryInterface( const char *pInterfaceName ) { return NULL; }
+
+	// Init, shutdown
+	virtual InitReturnVal_t Init() { return INIT_OK; }
+	virtual void Shutdown() {}
+};
+
+
+//-----------------------------------------------------------------------------
+// Helper implementation of an IAppSystem for tier0
+//-----------------------------------------------------------------------------
+template< class IInterface > 
+class CTier0AppSystem : public CBaseAppSystem< IInterface >
+{
+public:
+	CTier0AppSystem( bool bIsPrimaryAppSystem = true )
+	{
+		m_bIsPrimaryAppSystem = bIsPrimaryAppSystem;
+	}
+
+protected:
+	// NOTE: a single DLL may have multiple AppSystems it's trying to
+	// expose. If this is true, you must return true from only
+	// one of those AppSystems; not doing so will cause all static
+	// libraries connected to it to connect/disconnect multiple times
+
+	// NOTE: We don't do this as a virtual function to avoid
+	// having to up the version on all interfaces
+	bool IsPrimaryAppSystem() { return m_bIsPrimaryAppSystem; }
+
+private:
+	bool m_bIsPrimaryAppSystem;
+};
+
+
+//-----------------------------------------------------------------------------
+// This is the version of IAppSystem shipped 10/15/04
+// NOTE: Never change this!!!
+//-----------------------------------------------------------------------------
+abstract_class IAppSystemV0
+{
+public:
+	// Here's where the app systems get to learn about each other 
+	virtual bool Connect( CreateInterfaceFn factory ) = 0;
+	virtual void Disconnect() = 0;
+
+	// Here's where systems can access other interfaces implemented by this object
+	// Returns NULL if it doesn't implement the requested interface
+	virtual void *QueryInterface( const char *pInterfaceName ) = 0;
+
+	// Init, shutdown
+	virtual InitReturnVal_t Init() = 0;
+	virtual void Shutdown() = 0;
+};
+
+#endif // IAPPSYSTEM_H
+

public/appframework/IAppSystemGroup.h

@@ -0,0 +1,265 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// The copyright to the contents herein is the property of Valve, L.L.C.
+// The contents may be used and/or copied only with the written permission of
+// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
+// the agreement/contract under which the contents have been supplied.
+//
+// Purpose: Defines a group of app systems that all have the same lifetime
+// that need to be connected/initialized, etc. in a well-defined order
+//
+// $Revision: $
+// $NoKeywords: $
+//=============================================================================
+
+#ifndef IAPPSYSTEMGROUP_H
+#define IAPPSYSTEMGROUP_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "tier1/interface.h"
+#include "tier1/utlvector.h"
+#include "tier1/utldict.h"
+#include "IAppSystem.h"
+
+//-----------------------------------------------------------------------------
+// forward declarations
+//-----------------------------------------------------------------------------
+class IAppSystem;
+class CSysModule;
+class IBaseInterface;
+class IFileSystem;
+
+//-----------------------------------------------------------------------------
+// Handle to a DLL
+//-----------------------------------------------------------------------------
+typedef int AppModule_t;
+
+enum
+{
+	APP_MODULE_INVALID = (AppModule_t)~0
+};
+
+
+//-----------------------------------------------------------------------------
+// NOTE: The following methods must be implemented in your application
+// although they can be empty implementations if you like...
+//-----------------------------------------------------------------------------
+abstract_class IAppSystemGroup
+{
+public:
+	// An installed application creation function, you should tell the group
+	// the DLLs and the singleton interfaces you want to instantiate.
+	// Return false if there's any problems and the app will abort
+	virtual bool Create( ) = 0;
+
+	// Allow the application to do some work after AppSystems are connected but 
+	// they are all Initialized.
+	// Return false if there's any problems and the app will abort
+	virtual bool PreInit() = 0;
+
+	// Main loop implemented by the application
+	virtual int Main( ) = 0;
+
+	// Allow the application to do some work after all AppSystems are shut down
+	virtual void PostShutdown() = 0;
+
+	// Call an installed application destroy function, occurring after all modules
+	// are unloaded
+	virtual void Destroy() = 0;
+};
+
+
+//-----------------------------------------------------------------------------
+// Specifies a module + interface name for initialization
+//-----------------------------------------------------------------------------
+struct AppSystemInfo_t
+{
+	const char *m_pModuleName;
+	const char *m_pInterfaceName;
+};
+
+
+//-----------------------------------------------------------------------------
+// This class represents a group of app systems that all have the same lifetime
+// that need to be connected/initialized, etc. in a well-defined order
+//-----------------------------------------------------------------------------
+class CAppSystemGroup : public IAppSystemGroup
+{
+public:
+	// Used to determine where we exited out from the system
+	enum AppSystemGroupStage_t
+	{
+		CREATION = 0,
+		CONNECTION,
+		PREINITIALIZATION,
+		INITIALIZATION,
+		SHUTDOWN,
+		POSTSHUTDOWN,
+		DISCONNECTION,
+		DESTRUCTION,
+
+		NONE,	// This means no error
+	};
+
+public:
+	// constructor
+	CAppSystemGroup( CAppSystemGroup *pParentAppSystem = NULL );
+
+	// Runs the app system group.
+	// First, modules are loaded, next they are connected, followed by initialization
+	// Then Main() is run
+	// Then modules are shut down, disconnected, and unloaded
+	int Run( );
+
+	// Use this version in cases where you can't control the main loop and
+	// expect to be ticked
+	virtual int Startup();
+	virtual void Shutdown();
+
+	// Returns the stage at which the app system group ran into an error
+	AppSystemGroupStage_t GetErrorStage() const;
+
+protected:
+	// These methods are meant to be called by derived classes of CAppSystemGroup
+
+	// Methods to load + unload DLLs
+	AppModule_t LoadModule( const char *pDLLName );
+	AppModule_t LoadModule( CreateInterfaceFn factory );
+
+	// Method to add various global singleton systems 
+	IAppSystem *AddSystem( AppModule_t module, const char *pInterfaceName );
+	void AddSystem( IAppSystem *pAppSystem, const char *pInterfaceName );
+
+	// Simpler method of doing the LoadModule/AddSystem thing.
+	// Make sure the last AppSystemInfo has a NULL module name
+	bool AddSystems( AppSystemInfo_t *pSystems );
+
+	// Method to look up a particular named system...
+	void *FindSystem( const char *pInterfaceName );
+
+	// Gets at a class factory for the topmost appsystem group in an appsystem stack
+	static CreateInterfaceFn GetFactory();
+
+private:
+	int OnStartup();
+	void OnShutdown();
+
+	void UnloadAllModules( );
+	void RemoveAllSystems();
+
+	// Method to connect/disconnect all systems
+	bool ConnectSystems( );
+	void DisconnectSystems();
+
+	// Method to initialize/shutdown all systems
+	InitReturnVal_t InitSystems();
+	void ShutdownSystems();
+ 
+	// Gets at the parent appsystem group
+	CAppSystemGroup *GetParent();
+
+	// Loads a module the standard way
+	virtual CSysModule *LoadModuleDLL( const char *pDLLName );
+
+	void	ReportStartupFailure( int nErrorStage, int nSysIndex );
+
+	struct Module_t
+	{
+		CSysModule *m_pModule;
+		CreateInterfaceFn m_Factory;
+		char *m_pModuleName;
+	};
+
+	CUtlVector<Module_t> m_Modules;
+	CUtlVector<IAppSystem*> m_Systems;
+	CUtlDict<int, unsigned short> m_SystemDict;
+	CAppSystemGroup *m_pParentAppSystem;
+	AppSystemGroupStage_t m_nErrorStage;
+
+	friend void *AppSystemCreateInterfaceFn(const char *pName, int *pReturnCode);
+	friend class CSteamAppSystemGroup;
+};
+
+
+//-----------------------------------------------------------------------------
+// This class represents a group of app systems that are loaded through steam
+//-----------------------------------------------------------------------------
+class CSteamAppSystemGroup : public CAppSystemGroup
+{
+public:
+	CSteamAppSystemGroup( IFileSystem *pFileSystem = NULL, CAppSystemGroup *pParentAppSystem = NULL );
+
+	// Used by CSteamApplication to set up necessary pointers if we can't do it in the constructor
+	void Setup( IFileSystem *pFileSystem, CAppSystemGroup *pParentAppSystem );
+
+protected:
+	// Sets up the search paths
+	bool SetupSearchPaths( const char *pStartingDir, bool bOnlyUseStartingDir, bool bIsTool );
+
+	// Returns the game info path. Only works if you've called SetupSearchPaths first
+	const char *GetGameInfoPath() const;
+
+private:
+	virtual CSysModule *LoadModuleDLL( const char *pDLLName );
+
+	IFileSystem *m_pFileSystem;
+	char m_pGameInfoPath[ MAX_PATH ];
+};
+
+
+//-----------------------------------------------------------------------------
+// Helper empty decorator implementation of an IAppSystemGroup
+//-----------------------------------------------------------------------------
+template< class CBaseClass > 
+class CDefaultAppSystemGroup : public CBaseClass
+{
+public:
+	virtual bool Create( ) { return true; }
+	virtual bool PreInit() { return true; }
+	virtual void PostShutdown() {}
+	virtual void Destroy() {}
+};
+
+
+//-----------------------------------------------------------------------------
+// Special helper for game info directory suggestion
+//-----------------------------------------------------------------------------
+
+class CFSSteamSetupInfo;	// Forward declaration
+
+//
+// SuggestGameInfoDirFn_t
+//		Game info suggestion function.
+//		Provided by the application to possibly detect the suggested game info
+//		directory and initialize all the game-info-related systems appropriately.
+// Parameters:
+//		pFsSteamSetupInfo		steam file system setup information if available.
+//		pchPathBuffer			buffer to hold game info directory path on return.
+//		nBufferLength			length of the provided buffer to hold game info directory path.
+//		pbBubbleDirectories		should contain "true" on return to bubble the directories up searching for game info file.
+// Return values:
+//		Returns "true" if the game info directory path suggestion is available and
+//		was successfully copied into the provided buffer.
+//		Returns "false" otherwise, interpreted that no suggestion will be used.
+//
+typedef bool ( * SuggestGameInfoDirFn_t ) ( CFSSteamSetupInfo const *pFsSteamSetupInfo, char *pchPathBuffer, int nBufferLength, bool *pbBubbleDirectories );
+
+//
+// SetSuggestGameInfoDirFn
+//		Installs the supplied game info directory suggestion function.
+// Parameters:
+//		pfnNewFn				the new game info directory suggestion function.
+// Returns:
+//		The previously installed suggestion function or NULL if none was installed before.
+//		This function never fails.
+//
+SuggestGameInfoDirFn_t SetSuggestGameInfoDirFn( SuggestGameInfoDirFn_t pfnNewFn );
+
+
+#endif // APPSYSTEMGROUP_H
+
+

public/appframework/VguiMatSysApp.h

@@ -0,0 +1,71 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// The copyright to the contents herein is the property of Valve, L.L.C.
+// The contents may be used and/or copied only with the written permission of
+// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
+// the agreement/contract under which the contents have been supplied.
+//
+// $Header: $
+// $NoKeywords: $
+//
+// Material editor
+//=============================================================================
+
+#ifndef VGUIMATSYSAPP_H
+#define VGUIMATSYSAPP_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "appframework/tier3app.h"
+
+
+//-----------------------------------------------------------------------------
+// The application object
+//-----------------------------------------------------------------------------
+class CVguiMatSysApp : public CVguiSteamApp
+{
+	typedef CVguiSteamApp BaseClass;
+
+public:
+	CVguiMatSysApp();
+
+	// Methods of IApplication
+	virtual bool Create();
+	virtual bool PreInit();
+	virtual void PostShutdown();
+	virtual void Destroy();
+
+	// Returns the window handle (HWND in Win32)
+	void* GetAppWindow();
+
+	// Gets the window size
+	int GetWindowWidth() const;
+	int GetWindowHeight() const;
+
+protected:
+	void AppPumpMessages();
+
+	// Sets the video mode
+	bool SetVideoMode( );
+
+	// Sets up the game path
+	bool SetupSearchPaths( const char *pStartingDir, bool bOnlyUseStartingDir, bool bIsTool );
+
+private:
+	// Returns the app name
+	virtual const char *GetAppName() = 0;
+	virtual bool AppUsesReadPixels() { return false; }
+
+	// Creates the app window
+	virtual void *CreateAppWindow( char const *pTitle, bool bWindowed, int w, int h );
+
+	void *m_HWnd;
+	int m_nWidth;
+	int m_nHeight;
+};
+
+
+#endif // VGUIMATSYSAPP_H

public/appframework/ilaunchermgr.h

@@ -0,0 +1,155 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+//	ilaunchermgr.h
+//
+//==================================================================================================
+#ifndef ILAUNCHERMGR_H
+#define ILAUNCHERMGR_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#if defined( USE_SDL )
+
+#include "tier0/threadtools.h"
+#include "appframework/IAppSystem.h"
+
+#if defined( DX_TO_GL_ABSTRACTION )
+#include "togl/linuxwin/glmgrbasics.h"
+#include "togl/linuxwin/glmdisplay.h"
+
+class GLMDisplayDB;
+class CShowPixelsParams;
+#endif
+
+// if you rev this version also update materialsystem/cmaterialsystem.cpp CMaterialSystem::Connect as it defines the string directly
+#define SDLMGR_INTERFACE_VERSION "SDLMgrInterface001"
+
+class CCocoaEvent;
+class CStackCrawlParams;
+
+typedef struct SDL_Cursor SDL_Cursor;
+
+class ILauncherMgr : public IAppSystem
+{
+public:
+	virtual bool Connect( CreateInterfaceFn factory ) = 0;
+	virtual void Disconnect() = 0;
+	
+	virtual void *QueryInterface( const char *pInterfaceName ) = 0;
+	
+	// Init, shutdown
+	virtual InitReturnVal_t Init() = 0;
+	virtual void Shutdown() = 0;
+	
+	// Create the window.
+	virtual bool CreateGameWindow( const char *pTitle, bool bWindowed, int width, int height ) = 0;
+	
+	virtual void IncWindowRefCount() = 0;
+	virtual void DecWindowRefCount() = 0;
+		
+	// Get the next N events. The function returns the number of events that were filled into your array.
+	virtual int GetEvents( CCocoaEvent *pEvents, int nMaxEventsToReturn, bool debugEvents = false ) = 0;
+#ifdef LINUX
+	virtual int PeekAndRemoveKeyboardEvents( bool *pbEsc, bool *pbReturn, bool *pbSpace, bool debugEvents = false ) = 0;
+#endif
+
+	// Set the mouse cursor position.
+	virtual void SetCursorPosition( int x, int y ) = 0;
+	
+	virtual void SetWindowFullScreen( bool bFullScreen, int nWidth, int nHeight ) = 0;
+	virtual bool IsWindowFullScreen() = 0;
+	virtual void MoveWindow( int x, int y ) = 0;
+	virtual void SizeWindow( int width, int tall ) = 0;
+	virtual void PumpWindowsMessageLoop() = 0;
+		
+	virtual void DestroyGameWindow() = 0;
+	virtual void SetApplicationIcon( const char *pchAppIconFile ) = 0;
+	
+	virtual void GetMouseDelta( int &x, int &y, bool bIgnoreNextMouseDelta = false ) = 0;
+
+	virtual void GetNativeDisplayInfo( int nDisplay, uint &nWidth, uint &nHeight, uint &nRefreshHz ) = 0; // Retrieve the size of the monitor (desktop)
+	virtual void RenderedSize( uint &width, uint &height, bool set ) = 0;	// either set or retrieve rendered size value (from dxabstract)
+	virtual void DisplayedSize( uint &width, uint &height ) = 0;			// query backbuffer size (window size whether FS or windowed)
+	
+#if defined( DX_TO_GL_ABSTRACTION )
+	virtual PseudoGLContextPtr	GetMainContext() = 0;
+	// Get the NSGLContext for a window's main view - note this is the carbon windowref as an argument
+	virtual PseudoGLContextPtr GetGLContextForWindow( void* windowref ) = 0;
+	virtual PseudoGLContextPtr CreateExtraContext() = 0;
+	virtual void DeleteContext( PseudoGLContextPtr hContext ) = 0;
+	virtual bool MakeContextCurrent( PseudoGLContextPtr hContext ) = 0;
+	virtual GLMDisplayDB *GetDisplayDB( void ) = 0;
+	virtual void GetDesiredPixelFormatAttribsAndRendererInfo( uint **ptrOut, uint *countOut, GLMRendererInfoFields *rendInfoOut ) = 0;
+	virtual void ShowPixels( CShowPixelsParams *params ) = 0;
+#endif
+
+	virtual void GetStackCrawl( CStackCrawlParams *params ) = 0;	
+	
+	virtual void WaitUntilUserInput( int msSleepTime ) = 0;
+	
+	virtual void *GetWindowRef() = 0;
+
+	virtual void SetMouseVisible( bool bState ) = 0;
+	virtual void SetMouseCursor( SDL_Cursor *hCursor ) = 0;
+	virtual void SetForbidMouseGrab( bool bForbidMouseGrab ) = 0;
+	virtual void OnFrameRendered() = 0;
+
+	virtual void SetGammaRamp( const uint16 *pRed, const uint16 *pGreen, const uint16 *pBlue ) = 0;
+
+	virtual double GetPrevGLSwapWindowTime() = 0;
+};
+
+extern ILauncherMgr *g_pLauncherMgr;
+
+enum CocoaEventType_t
+{
+	CocoaEvent_KeyDown,
+	CocoaEvent_KeyUp,
+	CocoaEvent_MouseButtonDown,
+	CocoaEvent_MouseMove,
+	CocoaEvent_MouseButtonUp,
+	CocoaEvent_AppActivate,
+	CocoaEvent_MouseScroll,
+	CocoaEvent_AppQuit,
+	CocoaEvent_Deleted, // Event was one of the above, but has been handled and should be ignored now.
+};
+
+// enum values need to match bit-shifting logic in CInputSystem::UpdateMouseButtonState and 
+// the codes from NSEvent pressedMouseButtons, turns out the two are in agreement right now
+enum CocoaMouseButton_t
+{
+	COCOABUTTON_LEFT = 1 << 0,
+	COCOABUTTON_RIGHT = 1 << 1,
+	COCOABUTTON_MIDDLE = 1 << 2,
+	COCOABUTTON_4 = 1 << 3,	
+	COCOABUTTON_5 = 1 << 4,	
+};
+
+enum ECocoaKeyModifier
+{
+	eCapsLockKey,
+	eShiftKey,
+	eControlKey,
+	eAltKey,		// aka option
+	eCommandKey
+};
+
+class CCocoaEvent
+{
+public:
+	CocoaEventType_t m_EventType;
+	int m_VirtualKeyCode;
+	wchar_t m_UnicodeKey;
+	wchar_t m_UnicodeKeyUnmodified;
+	uint m_ModifierKeyMask;		// 
+	int m_MousePos[2];
+	int m_MouseButtonFlags;	// Current state of the mouse buttons. See COCOABUTTON_xxxx.
+	uint m_nMouseClickCount;
+	int m_MouseButton; // which of the CocoaMouseButton_t buttons this is for from above
+};
+
+#endif // defined( USE_SDL )
+
+#endif // ILAUNCHERMGR_H

public/appframework/tier2app.h

@@ -0,0 +1,85 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// The copyright to the contents herein is the property of Valve, L.L.C.
+// The contents may be used and/or copied only with the written permission of
+// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
+// the agreement/contract under which the contents have been supplied.
+//
+// $Header: $
+// $NoKeywords: $
+//
+// The application object for apps that use tier2
+//=============================================================================
+
+#ifndef TIER2APP_H
+#define TIER2APP_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "appframework/AppFramework.h"
+#include "tier2/tier2dm.h"
+#include "tier1/convar.h"
+
+
+//-----------------------------------------------------------------------------
+// The application object for apps that use tier2
+//-----------------------------------------------------------------------------
+class CTier2SteamApp : public CSteamAppSystemGroup
+{
+	typedef CSteamAppSystemGroup BaseClass;
+
+public:
+	// Methods of IApplication
+	virtual bool PreInit()
+	{
+		CreateInterfaceFn factory = GetFactory();
+		ConnectTier1Libraries( &factory, 1 );
+		ConVar_Register( 0 );
+		ConnectTier2Libraries( &factory, 1 );
+		return true;			
+	}
+
+	virtual void PostShutdown()
+	{
+		DisconnectTier2Libraries();
+		ConVar_Unregister();
+		DisconnectTier1Libraries();
+	}
+};
+
+
+//-----------------------------------------------------------------------------
+// The application object for apps that use tier2 and datamodel
+//-----------------------------------------------------------------------------
+class CTier2DmSteamApp : public CTier2SteamApp
+{
+	typedef CTier2SteamApp BaseClass;
+
+public:
+	// Methods of IApplication
+	virtual bool PreInit()
+	{
+		if ( !BaseClass::PreInit() )
+			return false;
+
+		CreateInterfaceFn factory = GetFactory();
+		if ( !ConnectDataModel( factory ) )
+			return false;
+
+		InitReturnVal_t nRetVal = InitDataModel();
+		return ( nRetVal == INIT_OK );
+	}
+
+	virtual void PostShutdown()
+	{
+		ShutdownDataModel();
+		DisconnectDataModel();
+		BaseClass::PostShutdown();
+	}
+};
+
+
+#endif // TIER2APP_H

public/appframework/tier3app.h

@@ -0,0 +1,121 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// The copyright to the contents herein is the property of Valve, L.L.C.
+// The contents may be used and/or copied only with the written permission of
+// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
+// the agreement/contract under which the contents have been supplied.
+//
+// $Header: $
+// $NoKeywords: $
+//
+// The application objects for apps that use tier3
+//=============================================================================
+
+#ifndef TIER3APP_H
+#define TIER3APP_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "appframework/tier2app.h"
+#include "tier3/tier3.h"
+#include "vgui_controls/Controls.h"
+
+
+//-----------------------------------------------------------------------------
+// The application object for apps that use tier3
+//-----------------------------------------------------------------------------
+class CTier3SteamApp : public CTier2SteamApp
+{
+	typedef CTier2SteamApp BaseClass;
+
+public:
+	// Methods of IApplication
+	virtual bool PreInit()
+	{
+		if ( !BaseClass::PreInit() )
+			return false;
+
+		CreateInterfaceFn factory = GetFactory();
+		ConnectTier3Libraries( &factory, 1 );
+		return true;			
+	}
+
+	virtual void PostShutdown()
+	{
+		DisconnectTier3Libraries();
+		BaseClass::PostShutdown();
+	}
+};
+
+
+//-----------------------------------------------------------------------------
+// The application object for apps that use tier3
+//-----------------------------------------------------------------------------
+class CTier3DmSteamApp : public CTier2DmSteamApp
+{
+	typedef CTier2DmSteamApp BaseClass;
+
+public:
+	// Methods of IApplication
+	virtual bool PreInit()
+	{
+		if ( !BaseClass::PreInit() )
+			return false;
+
+		CreateInterfaceFn factory = GetFactory();
+		ConnectTier3Libraries( &factory, 1 );
+		return true;			
+	}
+
+	virtual void PostShutdown()
+	{
+		DisconnectTier3Libraries();
+		BaseClass::PostShutdown();
+	}
+};
+
+
+//-----------------------------------------------------------------------------
+// The application object for apps that use vgui
+//-----------------------------------------------------------------------------
+class CVguiSteamApp : public CTier3SteamApp
+{
+	typedef CTier3SteamApp BaseClass;
+
+public:
+	// Methods of IApplication
+	virtual bool PreInit()
+	{
+		if ( !BaseClass::PreInit() )
+			return false;
+
+		CreateInterfaceFn factory = GetFactory();
+		return vgui::VGui_InitInterfacesList( "CVguiSteamApp", &factory, 1 );
+	}
+};
+
+
+//-----------------------------------------------------------------------------
+// The application object for apps that use vgui
+//-----------------------------------------------------------------------------
+class CVguiDmSteamApp : public CTier3DmSteamApp
+{
+	typedef CTier3DmSteamApp BaseClass;
+
+public:
+	// Methods of IApplication
+	virtual bool PreInit()
+	{
+		if ( !BaseClass::PreInit() )
+			return false;
+
+		CreateInterfaceFn factory = GetFactory();
+		return vgui::VGui_InitInterfacesList( "CVguiSteamApp", &factory, 1 );
+	}
+};
+
+
+#endif // TIER3APP_H