Add a non-const overload of Layout3D::get_catalogue

This is necessary for automatic loading of resources.

diff --git a/source/3d/layout.h b/source/3d/layout.h
index 908751a27be6cafa29584c2d7982e290fbd512e6..df414f2578b0cc5f85ffe7a88f01f1ffb4e87ad3 100644 (file)
--- a/source/3d/layout.h
+++ b/source/3d/layout.h
@@ -33,6 +33,7 @@ public:
        ~Layout3D();
 
        Layout &get_layout() const { return layout; }
+       Catalogue3D &get_catalogue() { return catalogue; }
        const Catalogue3D &get_catalogue() const { return catalogue; }
        void get_bounds(Vector &, Vector &) const;