Remove unecessary dependency from libSimGearCore on libSimGearScene.

simgear/misc/CMakeLists.txt

@@ -4,6 +4,7 @@ include (SimGearComponent)
 set(HEADERS 
     ResourceManager.hxx
     interpolator.hxx
+    make_new.hxx
     sg_dir.hxx
     sg_path.hxx
     sgstream.hxx

simgear/misc/make_new.hxx

@@ -0,0 +1,52 @@
+// Helper functions which created objects with new.
+//
+// Copyright (C) 2013  Thomas Geymayer <tomgey@gmail.com>
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
+
+#ifndef SG_MAKE_NEW_HXX_
+#define SG_MAKE_NEW_HXX_
+
+namespace simgear
+{
+  template<class T>
+  T* make_new()
+  { return new T; }
+
+  template<class T, class A1>
+  T* make_new(const A1& a1)
+  { return new T(a1); }
+
+  template<class T, class A1, class A2>
+  T* make_new(const A1& a1, const A2& a2)
+  { return new T(a1, a2); }
+
+  template<class Base, class Derived>
+  Base* make_new_derived()
+  { return new Derived; }
+
+  template<class Base, class Derived, class A1>
+  Base* make_new_derived(const A1& a1)
+  { return new Derived(a1); }
+
+  template<class Base, class Derived, class A1, class A2>
+  Base* make_new_derived(const A1& a1, const A2& a2)
+  { return new Derived(a1, a2); }
+
+  // Add more if needed (Variadic templates would be really nice!)
+
+} // namespace simgear
+
+#endif /* SG_MAKE_NEW_HXX_ */