Added most recent version of unmodified HL2 SDK for Orange Box engine

utils/common/physdll.cpp

@@ -0,0 +1,31 @@
+//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include <stdio.h>
+#include "physdll.h"
+#include "filesystem_tools.h"
+
+static CSysModule *pPhysicsModule = NULL;
+CreateInterfaceFn GetPhysicsFactory( void )
+{
+	if ( !pPhysicsModule )
+	{
+		pPhysicsModule = g_pFullFileSystem->LoadModule( "VPHYSICS.DLL" );
+		if ( !pPhysicsModule )
+			return NULL;
+	}
+
+	return Sys_GetFactory( pPhysicsModule );
+}
+
+void PhysicsDLLPath( const char *pPathname )
+{
+	if ( !pPhysicsModule )
+	{
+		pPhysicsModule = g_pFullFileSystem->LoadModule( pPathname );
+	}
+}