minetest.register_node("mod:name_below", {
--textures, groups, blah, blah, blah
selection_box = {
type = "fixed",
fixed = { -0.5, -0.5, -0.5, 0.5, 1.5, 0.5 }
},
on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above;
local node = minetest.env:get_node({x=pos.x, y=pos.y+1, z=pos.z});
if( node ~= nil and node.name ~= "air" and node.name ~= 'mod:name_top') then
return;
end
return minetest.item_place(itemstack, placer, pointed_thing);
end,
on_destruct = function(pos)
local p = {x=pos.x, y=pos.y+1, z=pos.z}
minetest.env:remove_node(p)
end
})