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diff --git a/dmserializers/dmserializers.cpp b/dmserializers/dmserializers.cpp
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+//========= 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: $
+//
+// Converts from any one DMX file format to another
+//
+//=============================================================================
+
+#include "dmserializers.h"
+#include "dmserializers/idmserializers.h"
+#include "appframework/iappsystem.h"
+#include "filesystem.h"
+#include "datamodel/idatamodel.h"
+#include "datamodel/dmelementfactoryhelper.h"
+#include "tier2/tier2.h"
+
+
+//-----------------------------------------------------------------------------
+// format updater macros
+//-----------------------------------------------------------------------------
+
+#define DECLARE_FORMAT_UPDATER( _name, _description, _extension, _version, _encoding ) \
+	class CDmFormatUpdater_ ## _name : public IDmFormatUpdater \
+	{ \
+	public: \
+		CDmFormatUpdater_ ## _name() {} \
+		virtual const char *GetName() const { return #_name; } \
+		virtual const char *GetDescription() const { return _description; } \
+		virtual const char *GetExtension() const { return _extension; } \
+		virtual const char *GetDefaultEncoding() const { return _encoding; } \
+		virtual int GetCurrentVersion() const { return _version; } \
+		virtual bool Update( CDmElement **pRoot, int nSourceVersion ) { return true; } \
+	}; \
+	static CDmFormatUpdater_ ## _name s_FormatUpdater ## _name; \
+	void InstallFormatUpdater_ ## _name( IDataModel *pFactory ) \
+	{ \
+		pFactory->AddFormatUpdater( &s_FormatUpdater ## _name ); \
+	}
+
+#define INSTALL_FORMAT_UPDATER( _name ) InstallFormatUpdater_ ## _name( g_pDataModel )
+
+
+//-----------------------------------------------------------------------------
+// format updaters
+//-----------------------------------------------------------------------------
+
+DECLARE_FORMAT_UPDATER( dmx,				"Generic DMX",					"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( movieobjects,		"Generic MovieObjects",			"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( sfm,				"Generic SFM",					"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( sfm_session,		"SFM Session",					"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( sfm_trackgroup,		"SFM TrackGroup",				"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( pcf,				"Particle Configuration File",	"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( preset,				"Preset File",					"dmx", 1, "keyvalues2" )
+DECLARE_FORMAT_UPDATER( facial_animation,	"Facial Animation File",		"dmx", 1, "binary" )
+DECLARE_FORMAT_UPDATER( model,				"DMX Model",					"dmx", 1, "binary" )
+//DECLARE_FORMAT_UPDATER( animation,			"DMX Animation",				"dmx", 1, "binary" )
+//DECLARE_FORMAT_UPDATER( dcc_makefile,			"DMX Makefile",					"dmx", 1, "keyvalues2" )
+
+
+//-----------------------------------------------------------------------------
+// The application object
+//-----------------------------------------------------------------------------
+class CDmSerializers : public CBaseAppSystem< IDmSerializers >
+{
+	typedef CBaseAppSystem< IDmSerializers > BaseClass;
+
+public:
+	// Inherited from IAppSystem 
+	virtual bool Connect( CreateInterfaceFn factory );
+	virtual void *QueryInterface( const char *pInterfaceName );
+	virtual InitReturnVal_t Init();
+};
+
+
+//-----------------------------------------------------------------------------
+// Singleton interface 
+//-----------------------------------------------------------------------------
+static CDmSerializers g_DmSerializers;
+IDmSerializers *g_pDmSerializers = &g_DmSerializers;
+
+
+//-----------------------------------------------------------------------------
+// Here's where the app systems get to learn about each other 
+//-----------------------------------------------------------------------------
+bool CDmSerializers::Connect( CreateInterfaceFn factory ) 
+{
+	if ( !BaseClass::Connect( factory ) )
+		return false;
+
+	if ( !factory( FILESYSTEM_INTERFACE_VERSION, NULL ) )
+	{
+		Warning( "DmSerializers needs the file system to function" );
+		return false;
+	}
+
+	// Here's the main point where all DM element classes get installed
+	// Necessary to do it here so all type symbols for all DME classes are set 
+	// up prior to install
+	InstallDmElementFactories( );
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Here's where systems can access other interfaces implemented by this object
+//-----------------------------------------------------------------------------
+void *CDmSerializers::QueryInterface( const char *pInterfaceName )
+{
+	if ( !V_strcmp( pInterfaceName, DMSERIALIZERS_INTERFACE_VERSION ) )
+		return (IDmSerializers*)this;
+
+	return NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Init, shutdown
+//-----------------------------------------------------------------------------
+InitReturnVal_t CDmSerializers::Init() 
+{ 
+	InitReturnVal_t nRetVal = BaseClass::Init();
+	if ( nRetVal != INIT_OK )
+		return nRetVal;
+
+	// Install non-dmx importers
+	InstallActBusyImporter( g_pDataModel );
+	InstallVMTImporter( g_pDataModel );
+	InstallVMFImporter( g_pDataModel );
+
+	// Install legacy dmx importers
+	InstallSFMV1Importer( g_pDataModel );
+	InstallSFMV2Importer( g_pDataModel );
+	InstallSFMV3Importer( g_pDataModel );
+	InstallSFMV4Importer( g_pDataModel );
+	InstallSFMV5Importer( g_pDataModel );
+	InstallSFMV6Importer( g_pDataModel );
+	InstallSFMV7Importer( g_pDataModel );
+	InstallSFMV8Importer( g_pDataModel );
+	InstallSFMV9Importer( g_pDataModel );
+
+	// install dmx format updaters
+	INSTALL_FORMAT_UPDATER( dmx );
+	INSTALL_FORMAT_UPDATER( movieobjects );
+	INSTALL_FORMAT_UPDATER( sfm );
+	INSTALL_FORMAT_UPDATER( sfm_session );
+	INSTALL_FORMAT_UPDATER( sfm_trackgroup );
+	INSTALL_FORMAT_UPDATER( pcf );
+	INSTALL_FORMAT_UPDATER( preset );
+	INSTALL_FORMAT_UPDATER( facial_animation );
+	INSTALL_FORMAT_UPDATER( model );
+//	INSTALL_FORMAT_UPDATER( animation );
+//	INSTALL_FORMAT_UPDATER( dcc_makefile );
+
+	return INIT_OK; 
+}
+