[[building]]
id = "belt"
cost = 2
player_placeable = true
construction_time_seconds = 1
surface_mask = ["A>"]

[[building]]
id = "splitter"
cost = 3
player_placeable = true
construction_time_seconds = 1
surface_mask = ["<A>"]

[[building]]
id = "tunnel_entry"
cost = 5
player_placeable = true
construction_time_seconds = 3
surface_mask = ["A>"]

[[building]]
id = "tunnel_exit"
cost = 5
player_placeable = true
construction_time_seconds = 3
surface_mask = ["A>"]

[[building]]
id = "miner"
cost = 15
player_placeable = true
construction_time_seconds = 10
surface_mask = [
  "AA",
  "A>",
]

[[building]]
id = "smelter"
cost = 20
player_placeable = true
construction_time_seconds = 15
surface_mask = [
  "AA ",
  "AA>",
]

[[building]]
id = "assembler"
cost = 35
player_placeable = true
construction_time_seconds = 20
surface_mask = [
  "AAA ",
  "AAA>",
  "AAA ",
]

[[building]]
id = "reprocessing_plant"
cost = 40
player_placeable = true
construction_time_seconds = 25
surface_mask = [
  "AAA ",
  "AAA>",
  "AAA ",
]

[[building]]
id = "shipyard"
cost = 60
player_placeable = true
construction_time_seconds = 30
surface_mask = [
  "AAAS>",
  "AAAS ",
]

[[building]]
id = "salvage_bay"
cost = 25
player_placeable = true
construction_time_seconds = 15
surface_mask = [
  "SAA",
  "SAA>",
]