Fix #86 - crash in workbench: `attempt to concatenate a nil value`

Caused by a keystroke used in the formspec - this causes all
these fields not to be set, and the subsequent crash.
axinite
Auke Kok 2017-11-09 21:50:29 -08:00
parent 885d6398fd
commit 6b71509f98
1 changed files with 5 additions and 3 deletions

View File

@ -150,9 +150,11 @@ end
function workbench.fields(pos, _, fields)
if fields.quit then return end
local meta = minetest.get_meta(pos)
workbench:set_formspec(meta, fields.back and 1 or
fields.craft and 2 or
fields.storage and 3)
local id = fields.back and 1 or
fields.craft and 2 or
fields.storage and 3
if not id then return end
workbench:set_formspec(meta, id)
end
function workbench.dig(pos)