[creatures] Make sure that 'self.last_node' not 'nil' (#22)

2018-04-23 22:45:05 -07:00 · 2018-04-23 22:45:05 -07:00 · c2bedc3816
parent 2814ceb050
commit c2bedc3816
1 changed files with 1 additions and 1 deletions
--- a/creatures/functions.lua
+++ b/creatures/functions.lua
@ -480,7 +480,7 @@ creatures.on_step = function(self, dtime)
    local sn = core.get_node_or_nil(p)
    local eat_node
    for _,name in pairs(nodes) do
-      if name == self.last_node.name then
+      if self.last_node ~= nil and name == self.last_node.name then
        eat_node = current_pos
        break
      elseif sn and sn.name == name then