Fix LodQuadTree not updating for low detail world gen

core/src/main/java/com/seibel/lod/core/render/LodQuadTree.java

@@ -87,17 +87,24 @@ public class LodQuadTree extends QuadTree<LodRenderSection> implements AutoClose
 	}
 	private void updateAllRenderSections(DhBlockPos2D playerPos)
 	{
-		// reload any sections that need reloading
+		// reload any sections that need it
 		DhSectionPos[] reloadSectionArray = this.sectionsToReload.keySet().toArray(new DhSectionPos[0]);
 		this.sectionsToReload.clear();
 		for (DhSectionPos pos : reloadSectionArray)
 		{
 			try
 			{
-				LodRenderSection renderSection = this.getValue(pos);
-				if (renderSection != null)
+				// walk up the tree until we hit the root node or a position that is outside the tree
+				// this is done so any high detail level changes flow up to the lower detail render sections as well 
+				while (pos.sectionDetailLevel <= this.treeMaxDetailLevel)
 				{
-					renderSection.reload(this.renderSourceProvider);
+					LodRenderSection renderSection = this.getValue(pos);
+					if (renderSection != null)
+					{
+						renderSection.reload(this.renderSourceProvider);
+					}
+					
+					pos = pos.getParentPos();
 				}
 			}
 			catch (IndexOutOfBoundsException e) { /* the section is now out of bounds, it doesn't need to be reloaded */ }