/// <summary>
/// Destination for a movement. Ignores all robots on the map but does take into account walls, conveyor belts and gears. Returns
/// every step of the move.
/// </summary>
/// <param name="map">The game map.</param>
/// <param name="startLocation">Where the unit starts.</param>
/// <param name="cards">The cards to apply.</param>
/// <returns>Every step of the move.</returns>
public static List<MovePoint> CardPath(GameMap map, BoardLocation startLocation, IEnumerable<Card> cards)
{
// if we can't move, we end up where we started
List<MovePoint> points = new List<MovePoint> {new MovePoint(startLocation)};
foreach (Card cardOn in cards)
{
// move robot
MovePoint endLocation = Move(map, startLocation, cardOn.Move);
if (endLocation.Dead)
{
points.Add(endLocation);
return points;
}
if (! endLocation.Location.Equals(startLocation))
{
startLocation = endLocation.Location;
points.Add(new MovePoint(startLocation));
}
// conveyor belt - may cause a 1/4 turn.
MapSquare sq = map.GetSquare(startLocation.MapPosition);
for (int speed=1; (sq.Conveyor != null) && (speed <= sq.Conveyor.Speed); speed++)
{
endLocation = Move(map, startLocation.MapPosition, sq.Conveyor.Direction);
BoardLocation locMove = new BoardLocation(endLocation.Location.MapPosition, startLocation.Direction);
sq = map.GetSquare(endLocation.Location.MapPosition);
if (sq.Conveyor != null)
{
MapSquare.DIRECTION dirEnter = MoveDirection(startLocation.MapPosition, endLocation.Location.MapPosition);
locMove = locMove.Rotate((int)sq.Conveyor.Direction - (int)dirEnter);
}
startLocation = locMove;
points.Add(new MovePoint(startLocation));
}
// gears
if (sq.Type == MapSquare.TYPE.ROTATE_CLOCKWISE)
{
startLocation = startLocation.Rotate(1);
points.Add(new MovePoint(startLocation));
}
if (sq.Type == MapSquare.TYPE.ROTATE_COUNTERCLOCKWISE)
{
startLocation = startLocation.Rotate(-1);
points.Add(new MovePoint(startLocation));
}
// damage
int damage = CalcLaserDamage(map, startLocation);
if (damage != 0)
points[points.Count - 1].Damage = damage;
}
return points;
}
/// <summary>
/// Move a unit one square in the requested direction. Ignores all robots on the map but does take into account walls, conveyor belts and gears.
/// </summary>
/// <param name="map">The game map.</param>
/// <param name="position">The map square to start the move from.</param>
/// <param name="direction">The direction to move.</param>
/// <returns>The final location of the move.</returns>
public static MovePoint Move(GameMap map, Point position, MapSquare.DIRECTION direction)
{
// watch for wall in this direction
MapSquare.SIDE sideExit = sideMoveOut[(int) direction];
MapSquare.SIDE sideEnter = sideMoveIn[(int) direction];
BoardLocation location = new BoardLocation(position, direction);
// can we exit this square?
MapSquare sq = map.GetSquare(position);
if ((sq.Walls & sideExit) != 0)
return new MovePoint(location);
BoardLocation moveTo = location.Move(1);
// did we go off the board?
if ((moveTo.MapPosition.X < 0) || (map.Width <= moveTo.MapPosition.X) ||
(moveTo.MapPosition.Y < 0) || (map.Height <= moveTo.MapPosition.Y))
return new MovePoint(location, true);
// did we go into a pit?
if (map.GetSquare(moveTo.MapPosition).Type == MapSquare.TYPE.PIT)
return new MovePoint(moveTo, true);
// can we enter the new square?
sq = map.GetSquare(moveTo.MapPosition);
if ((sq.Walls & sideEnter) != 0)
return new MovePoint(location);
return new MovePoint(moveTo);
}
