Pasted

-- A station object.
Station = {
    -- type = mine, farm, smeltery, warehouse, etc.
    type = "",
    -- sub_type = "minecraft:oak_wood", "minecraft:sugar_cane", etc.
    sub_type = "",
    -- position of the output chest ( if any ).
    output_pos = vector.new( 0, 0, 0 ),
    -- position of the input chest ( if any ).
    input_pos = vector.new( 0, 0, 0 ),
    -- position of the fuel chest ( if any ).
    fuel_pos = vector.new( 0, 0, 0 ),
    -- the number of turtle currently working there.
    workers = 0,
    -- max number of turtle that can work there.
    max_worker = 1,
    -- if the station has been built and is ready to operate.
    is_set_up = false,
    -- A list of erssources needed to build the station.
    res_to_build = {},
}
 
function Station:new( o )
    o = o or {}
    setmetatable( o, self )
    self.__index = self
    return o
end
 
function Station:build()
end
 
function Station:start_work()
    if workers >= max_worker then
        print( "can't work there. It's full.")
        return false
    end
 
    workers = workers + 1
    return true
end
 
return Station