public Battlefield(int width, int height)
{
Width = width;
Height = height;
Places = new IBattlefieldPlace[Width, Height];
Initialize();
Random = new Random();
}
public double DistanceTo(IBattlefieldPlace place)
{
if (place == null)
{
throw new ArgumentNullException(nameof(place));
}
return(DistanceTo(place.X, place.Y));
}
public bool Equals(IBattlefieldPlace other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(X == other.X && Y == other.Y);
}
private Direction GetDirectionTo(IBattlefieldPlace newPlace)
{
var direction = Direction.None;
if (newPlace.X == Position.X && newPlace.Y == Position.Y - 1)
{
direction = Direction.South;
}
if (newPlace.X == Position.X && newPlace.Y == Position.Y + 1)
{
direction = Direction.North;
}
if (newPlace.X == Position.X + 1 && newPlace.Y == Position.Y)
{
direction = Direction.East;
}
if (newPlace.X == Position.X - 1 && newPlace.Y == Position.Y)
{
direction = Direction.West;
}
if (newPlace.X == Position.X - 1 && newPlace.Y == Position.Y - 1)
{
direction = Direction.SouthWest;
}
if (newPlace.X == Position.X + 1 && newPlace.Y == Position.Y - 1)
{
direction = Direction.SouthEast;
}
if (newPlace.X == Position.X - 1 && newPlace.Y == Position.Y + 1)
{
direction = Direction.NorthWest;
}
if (newPlace.X == Position.X + 1 && newPlace.Y == Position.Y + 1)
{
direction = Direction.NorthEast;
}
return(direction);
}
/// <summary> /// Move away from a specified <paramref name="place"/>. /// Move direction is calculated to find place /// which is farthest from specified <paramref name="place"/>. /// </summary> /// <param name="place">A place to move away from.</param> /// <returns> /// Turn action to move away from a specified <paramref name="place"/>. /// </returns> /// <exception cref="ArgumentNullException">If parameter <paramref name="place"/> is <c>null</c>.</exception> public static ITurnAction AwayFrom(IBattlefieldPlace place) => new MoveAwayFrom(place);
/// <summary> /// Move towards a specified target <paramref name="place"/>. /// Move direction is calculated to find shortest path <paramref name="place"/>. /// </summary> /// <param name="place">A target place to move.</param> /// <returns> /// Turn action to move towards a specified <paramref name="place"/>. /// </returns> /// <exception cref="ArgumentNullException">If parameter <paramref name="place"/> is <c>null</c>.</exception> public static ITurnAction Towards(IBattlefieldPlace place) => new MoveTowards(place);
internal MoveTowards(IBattlefieldPlace newPlace) =>
public void Is(IBattlefieldPlace place) => Place.Should().Be(place);
public BattlefieldPlaceVerification(IBattlefieldPlace place)
{
Place = place;
}
internal MoveAwayFrom(IBattlefieldPlace place)
{
Place = place ?? throw new ArgumentNullException(nameof(place));
}
public static BattlefieldPlaceVerification That(IBattlefieldPlace place) =>
new BattlefieldPlaceVerification(place);
