local length = 50

local function generate_gallery(pos)
	local i=1
	for n,node in pairs(minetest.registered_nodes) do
		minetest.set_node(vector.add(pos,vector.new(i % length,math.ceil(i / length),0)),{name=n})
		i = i + 1
	end
end
local function generate_gallery_cube(pos)
	local i=1
	local j=1
	local x=1
	local y=1
	local z=1
	local length=10
	for n,node in pairs(minetest.registered_nodes) do
		minetest.set_node(vector.add(pos,vector.new(x,y,z)),{name=n})
		if x > length then
			x = 1
			z = z + 1
		else
			x = x + 1
		end
		if z > length then
			y = y + 1
			z = 1
		end
	end
end

minetest.register_chatcommand("gallery",{
	description="Generates a wall of all registered nodes next to the player",
	privs={debug=true},
	func=function(name,p)
	local pl=minetest.get_player_by_name(name)
	generate_gallery(vector.add(pl:get_pos(),vector.new(0,0,5)))
end})

minetest.register_chatcommand("gallerycube",{
	description="Generates a cube of all registered nodes next to the player",
	privs={debug=true},
	func=function(name,p)
	local pl=minetest.get_player_by_name(name)
	generate_gallery_cube(vector.add(pl:get_pos(),vector.new(0,0,5)))
end})