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Fix mapgen crash if there's unknown nodes

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This commit is contained in:
Wuzzy 2019-12-14 01:30:21 +01:00
parent b3829eaf9b
commit affb984c56
1 changed files with 6 additions and 3 deletions
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9
mods/MAPGEN/mcl_mapgen_core/init.lua
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@ -1097,9 +1097,12 @@ local function generate_structures(minp, maxp, seed, biomemap)
local ground_y = nil
for y = struct_max, struct_min, -1 do
local checknode = minetest.get_node_or_nil({x=x,y=y,z=z})
if checknode and minetest.registered_nodes[checknode.name].walkable then
ground_y = y
break
if checknode then
local def = minetest.registered_nodes[checknode.name]
if def and def.walkable then
ground_y = y
break
end
end
end