forked from VoxeLibre/VoxeLibre
Fix mapgen crash if there's unknown nodes
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@ -1097,9 +1097,12 @@ local function generate_structures(minp, maxp, seed, biomemap)
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local ground_y = nil
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for y = struct_max, struct_min, -1 do
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local checknode = minetest.get_node_or_nil({x=x,y=y,z=z})
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if checknode and minetest.registered_nodes[checknode.name].walkable then
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ground_y = y
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break
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if checknode then
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local def = minetest.registered_nodes[checknode.name]
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if def and def.walkable then
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ground_y = y
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break
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end
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end
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end
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