Added most recent version of unmodified HL2 SDK for Episode 1 engine

dlls/sdk/sdk_eventlog.cpp

@@ -0,0 +1,55 @@
+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "../EventLog.h"
+#include "KeyValues.h"
+
+class CSDKEventLog : public CEventLog
+{
+private:
+	typedef CEventLog BaseClass;
+
+public:
+	virtual ~CSDKEventLog() {};
+
+public:
+	bool PrintEvent( IGameEvent * event )	// override virtual function
+	{
+		if ( BaseClass::PrintEvent( event ) )
+		{
+			return true;
+		}
+	
+		if ( Q_strcmp(event->GetName(), "sdk_") == 0 )
+		{
+			return PrintSDKEvent( event );
+		}
+
+		return false;
+	}
+
+protected:
+
+	bool PrintSDKEvent( IGameEvent * event )	// print Mod specific logs
+	{
+		//const char * name = event->GetName() + Q_strlen("sdk_"); // remove prefix
+		return false;
+	}
+
+};
+
+CSDKEventLog g_SDKEventLog;
+
+//-----------------------------------------------------------------------------
+// Singleton access
+//-----------------------------------------------------------------------------
+IGameSystem* GameLogSystem()
+{
+	return &g_SDKEventLog;
+}
+