Work Table : fix crash on fail to fetch 'tiles' node definition

diff --git a/worktable.lua b/worktable.lua
index e3a949a150381e5bce58097c065267019e737877..3062618a553825150bab883dff20506fc3b1133c 100644 (file)
--- a/worktable.lua
+++ b/worktable.lua
@@ -345,7 +345,7 @@ for _, d in pairs(worktable.defs) do
 for node in pairs(minetest.registered_nodes) do
        local def = minetest.registered_nodes[node]
        if worktable:nodes(def) and d[3] then
-               local groups, tiles = {}, {def.tiles[1]}
+               local groups, tiles = {}, {}
                groups.not_in_creative_inventory = 1
 
                for k, v in pairs(def.groups) do
@@ -354,8 +354,12 @@ for node in pairs(minetest.registered_nodes) do
                        end
                end
 
-               if #def.tiles > 1 and not def.drawtype:find("glass") then
-                       tiles = def.tiles
+               if def.tiles then               
+                       if #def.tiles > 1 and not def.drawtype:find("glass") then
+                               tiles = def.tiles
+                       else tiles = def.tiles[1] end
+               else
+                       tiles = def.tile_images[1]
                end
 
                stairs.register_stair_and_slab(node:match(":(.*)"), node, groups, tiles,