1HEADmaster

1 files changed, 76 insertions, 0 deletions

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
+