add state query function

intending to modify state via the public API so it gets synced to cpp

Author: myk002

plugins/lua/spectate.lua

@@ -84,8 +84,18 @@ local function load_state()
            function() config_file:write() end
 end
 
--- global variables to make the UI script simpler
-_ENV.config, _ENV.save_state = load_state()
+local config, save_state = load_state()
+
+-- called by gui/spectate
+function get_config_elem(name, key)
+    local elem = config[name]
+    if not elem then return end
+    if type(elem) == 'table' then
+        return elem[key]
+    end
+    return elem
+end
+
 
 function refresh_cpp_config()
     for name,value in pairs(config) do