Fix bookshelf's allow_metadata_inventory_move (check if item belongs to "book" group...

diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index 31d61b592f7e7f8a890bd90b07e8c778ebc5a151..a915dc2fc473337e06e808ae1e60489559d8ea44 100644 (file)
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -1402,7 +1402,8 @@ minetest.register_node("default:bookshelf", {
                local stack = inv:get_stack(from_list, from_index)
                local to_stack = inv:get_stack(to_list, to_index)
                if to_list == "books" then
-                       if stack:get_name() == "default:book" and to_stack:is_empty() then
+                       if minetest.get_item_group(stack:get_name(), "book") ~= 0
+                                       and to_stack:is_empty() then
                                return 1
                        else
                                return 0