Scala side

gistfile1.scala

object Finder {
  def find(
    source: Locatable,
    sourceJumpgates: Set[SolarSystemPoint],
    sourceSs: Option[SolarSystem],
    sourceSsGalaxyCoords: Option[Coords],
    target: Locatable,
    targetJumpgates: Set[SolarSystemPoint],
    targetSs: Option[SolarSystem],
    targetSsGalaxyCoords: Option[Coords],
    avoidablePoints: Option[Seq[SolarSystemPoint]]
  ): Seq[ServerLocation] = { ... }
}

trait Locatable {
  def toServerLocation(timeMultiplier: Double): ServerLocation
  def toServerLocation: ServerLocation = toServerLocation(1.0)
}

case class SolarSystemPoint(
  solarSystem: SolarSystem, coords: Coords
) extends Locatable with InSolarSystem {
  def this(planet: Planet) = this(planet.solarSystem, planet.coords)
  
  def toServerLocation(timeMultiplier: Double) = 
    ServerLocation(solarSystem.id,
                   objects.Location.SolarSystem,
                   Some(coords),
                   timeMultiplier)
  def solarSystemId = solarSystem.id
  def solarSystemPoint = this
}

case class SolarSystemPoint(
  solarSystem: SolarSystem, coords: Coords
) extends Locatable with InSolarSystem {
  def this(planet: Planet) = this(planet.solarSystem, planet.coords)
  
  def toServerLocation(timeMultiplier: Double) = 
    ServerLocation(solarSystem.id,
                   objects.Location.SolarSystem,
                   Some(coords),
                   timeMultiplier)
  def solarSystemId = solarSystem.id
  def solarSystemPoint = this
}

class Coords(initialX: Int, initialY: Int) extends WithCoords {
  x = initialX
  y = initialY

  override def toString = "<Coords %d,%d>".format(x, y)
}