Add the ability to query and rearrange globebrowsing layers at runtime

modules/globebrowsing/globebrowsingmodule.cpp

@@ -385,6 +385,27 @@ scripting::LuaLibrary GlobeBrowsingModule::luaLibrary() const {
             "any of " + listLayerGroups + ". The third argument is the dictionary"
             "defining the layer."
         },
+        {
+            "getLayers",
+            &globebrowsing::luascriptfunctions::getLayers,
+            {},
+            "string, string",
+            "Returns the list of layers for the scene graph node specified in the first "
+            "parameter. The second parameter specifies which layer type should be "
+            "queried."
+        },
+        {
+            "moveLayer",
+            &globebrowsing::luascriptfunctions::moveLayer,
+            {},
+            "string, string, number, number",
+            "Rearranges the order of a single layer in a scene graph node. The first "
+            "parameter specifies the scene graph node, the second parameter specifies "
+            "the name of the layer group, the third parameter is the original position "
+            "of the layer that should be moved and the last parameter is the new "
+            "position. The new position may be -1 to place the layer at the top or any "
+            "large number bigger than the number of layers to place it at the bottom."
+        },
         {
             "goToChunk",
             &globebrowsing::luascriptfunctions::goToChunk,