Add tarraformation

src/command.cr

@@ -110,3 +110,33 @@ class RestoreCrystalCommand < Command
     end
   end
 end
+
+class BuildTerraformerCommand < Command
+  BUILD_TIME = 120
+
+  def initialize(@point : Point)
+  end
+
+  def start(world : World) : Int32
+    BUILD_TIME
+  end
+
+  def finish(world : World)
+    world.map.set(TerraformerTile.new(@point))
+    world.push(TerraformCommand.new(@point))
+  end
+end
+
+class TerraformCommand < Command
+  def initialize(@point : Point)
+  end
+
+  def start(world : World) : Int32
+    10
+  end
+
+  def finish(world : World)
+    world.resources.inc(ResourceType::Terraformation, 5)
+    world.push(TerraformCommand.new(@point))
+  end
+end

src/expansion.cr

@@ -70,7 +70,7 @@ w = World.new
 w.map.print
 w.push(BuildCrystalHarvesterCommand.new(Point.new(2, 3)))
 w.push(BuildCrystalRestorerCommand.new(Point.new(1, 2)))
-w.push(BuildCrystalRestorerCommand.new(Point.new(3, 2)))
-w.run(60)
+w.push(BuildTerraformerCommand.new(Point.new(3, 2)))
+w.run(240)
 w.map.print
 pp w.resources

src/tile.cr

@@ -3,6 +3,7 @@ enum TileRole
   CrystalHarvester
   CrystalRestorer
   Plateau
+  Terraformer
   Warehouse
 end
 
@@ -91,3 +92,13 @@ class CrystalRestorerTile < Tile
     role == TileRole::CrystalRestorer
   end
 end
+
+class TerraformerTile < Tile
+  def letter : Char
+    'T'
+  end
+
+  def has_role(role : TileRole) : Bool
+    role == TileRole::Terraformer
+  end
+end