tiles = {
  {
    name = 'axe_clicker',
    displayname = 'Axe Clicker',
    type = 'clicker',
    obtains = {
      id = 1,
      count = 1,
    },
    cost = 10,
    collision = true,

    desc = 'An axe clicker. Used to obtain wood.',
  },
  {
    name = 'basic_chainsaw',
    displayname = 'Basic Chainsaw',
    type = 'mine',
    obtains = {
      id = 1,
      count = 0.25,
    },
    cost = 100,
    collision = true,

    desc = 'A primitive chainsaw. Automatically collects wood.'
  },
  {
    name = 'conveyor_belt',
    displayname = 'Conveyor Belt',
    type = 'conveyor',
    cost = 5,
    speed = 1,
    desc = 'Moves a resource from point a to point b',
    collision = false,
  },
  {
    name = 'basic_seller',
    displayname = 'Basic Seller',
    type = 'seller',
    cost = 1500,
    rate = 1,
    desc = 'A basic seller. Automatically sells all items coming from the forward tile',
    collision = false, -- custom collision for sellers
  }
}

objectTypes = {
  {
    name = 'wood',
    cost = 1,
    desc = 'A log of wood.',
    color = {1, 0.5, 0}
  }
}

--[[
    -- Things that have exchange-values:
  wood -> planks -> ...
  cobblestone -> stone -> flat stone -> ...
  sand -> glass -> ...
  clay -> bricks
  oil -> plastic -> ...
  copper -> copper ingot
  lead -> lead ingot
  silver -> silver ingot
  gold -> gold ingot -> ...
  platinum -> platinum ingot
  titanium -> titanium ingot
  diamond -> refined diamond -> ...
  u r a n i u m

  nonobtanium

  latex -> pappa moomin latex suit

  -- Things that have use-values:
  water
  coal
  
  -- Concepts:

]]