From 756ec7117b4d6b8362ac22415c2e57ddc59c3e80 Mon Sep 17 00:00:00 2001
From: Bret Curtis <psi29a@gmail.com>
Date: Thu, 23 Apr 2020 17:40:10 +0200
Subject: [PATCH] make mGrid (and friends) private again, create accessor
 method to return bool of mGrid.empty()

---
 components/terrain/quadtreeworld.cpp | 2 +-
 components/terrain/terraingrid.hpp   | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/components/terrain/quadtreeworld.cpp b/components/terrain/quadtreeworld.cpp
index ae3656fd2..0140ade49 100644
--- a/components/terrain/quadtreeworld.cpp
+++ b/components/terrain/quadtreeworld.cpp
@@ -442,7 +442,7 @@ void QuadTreeWorld::accept(osg::NodeVisitor &nv)
     }
 
     if (isCullVisitor)
-        updateWaterCullingView(mHeightCullCallback, vd, static_cast<osgUtil::CullVisitor*>(&nv), mStorage->getCellWorldSize(), !mGrid.empty());
+        updateWaterCullingView(mHeightCullCallback, vd, static_cast<osgUtil::CullVisitor*>(&nv), mStorage->getCellWorldSize(), !isGridEmpty());
 
     if (!isCullVisitor)
         vd->clear(); // we can't reuse intersection views in the next frame because they only contain what is touched by the intersection ray.
diff --git a/components/terrain/terraingrid.hpp b/components/terrain/terraingrid.hpp
index e633a258f..cb37ca296 100644
--- a/components/terrain/terraingrid.hpp
+++ b/components/terrain/terraingrid.hpp
@@ -28,6 +28,9 @@ namespace Terrain
         View* createView();
 
     protected:
+        bool isGridEmpty() { return mGrid.empty(); }
+
+    private:
         osg::ref_ptr<osg::Node> buildTerrain (osg::Group* parent, float chunkSize, const osg::Vec2f& chunkCenter);
         void updateWaterCulling();