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- local verticals_list = {
- "default:dirt",
- "default:dirt_with_grass",
- "default:stone",
- "default:cobble",
- "default:mossycobble",
- "default:brick",
- "default:tree",
- "default:jungletree",
- "default:coal",
- "default:iron"
- }
- plant_valid_wall = function(wallpos)
- local walldir = nil
- if minetest.env:get_node({ x = wallpos.x-1, y = wallpos.y, z = wallpos.z }).name ~= "air" then
- walldir = 3
- elseif minetest.env:get_node({ x = wallpos.x+1, y = wallpos.y, z = wallpos.z }).name ~= "air" then
- walldir = 2 end
- elseif minetest.env:get_node({ x = wallpos.x, y = wallpos.y, z = wallpos.z+1 }).name ~= "air" then
- walldir = 4
- elseif minetest.env:get_node({ x = wallpos.x, y = wallpos.y, z = wallpos.z-1 }).name ~= "air" then walldir = 5
- elseif table.getn(minetest.env:find_nodes_in_area({x=wallpos.x-1, y=wallpos.y, z=wallpos.z-1}, {x=wallpos.x+1, y=wallpos.y, z=wallpos.z+1}, verticals_list)) == 0
- then
- walldir = nil
- end
- if walldir ~= nil then
- dbg("walldir is "..walldir)
- else
- dbg("walldir is nil")
- end
- return walldir
- end
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