Add stairlight support nodes in group support_stairlight. (usefool for roofs, with identical structure like stairs, but with name not begining with text stairs:

Author: sfence

morelights_extras/init.lua

@@ -180,7 +180,8 @@ minetest.register_node("morelights_extras:stairlight", {
         if node.param2 < 4
                 and (node.name:match("^stairs:stair_")
                   or node.name:match("^mcl_stairs:stair_")
-                  or node.name:match("^hades_stairs:stair_")) then
+                  or node.name:match("^hades_stairs:stair_")
+                  or (minetest.get_item_group(node.name,"support_stairlight")>0)) then
             -- Set `above` to the node actually above the stair, since that's
             -- where the node is placed.
             pointed_thing.above =