Fix crash w/ wall near unknown node

This commit is contained in:
Wuzzy 2017-06-29 11:57:38 +02:00
parent ddaeac8273
commit 790456cbc4

@ -40,7 +40,8 @@ local function update_wall(pos)
for i = 1, 4 do for i = 1, 4 do
local dir = directions[i] local dir = directions[i]
local node = minetest.get_node({x = pos.x + dir.x, y = pos.y + dir.y, z = pos.z + dir.z}) local node = minetest.get_node({x = pos.x + dir.x, y = pos.y + dir.y, z = pos.z + dir.z})
if minetest.registered_nodes[node.name].walkable then local def = minetest.registered_nodes[node.name]
if def and def.walkable then
sum = sum + 2 ^ (i - 1) sum = sum + 2 ^ (i - 1)
end end
end end
@ -48,7 +49,8 @@ local function update_wall(pos)
-- Torches or walkable nodes above the wall -- Torches or walkable nodes above the wall
local upnode = minetest.get_node({x = pos.x, y = pos.y+1, z = pos.z}) local upnode = minetest.get_node({x = pos.x, y = pos.y+1, z = pos.z})
if sum == 5 or sum == 10 then if sum == 5 or sum == 10 then
if minetest.registered_nodes[upnode.name].walkable or upnode.name == "mcl_torches:torch" then local def = minetest.registered_nodes[upnode.name]
if (def and def.walkable) or upnode.name == "mcl_torches:torch" then
sum = sum + 11 sum = sum + 11
end end
end end