public GameUnit(Unit unit, UnitPosition unitPosition)
{
Unit = unit;
UnitPosition = unitPosition;
absolutePoints = new Lazy<Point[]>(() => Unit.Points.Select(p => p.Rotate(UnitPosition.RotationCount, Unit.PivotPoint).Move(Unit.PivotPoint, UnitPosition.PivotLocation)).ToArray());
orderedPoints = new Lazy<Point[]>(() => GetAbsolutePoints().OrderBy(x => x.Col).ThenBy(x => x.Row).Concat(new[] { UnitPosition.PivotLocation }).ToArray());
hashCode = new Lazy<int>(() => GetOrderedPoints().Select((x, i) => ((x.Row * 1) ^ (x.Col * 3571)) * i).Aggregate(0, (x, y) => x ^ y));
}
private Profit GetScore(UnitPosition position, Game game)
{
var unit = game.Current.Unit;
var points = new GameUnit(unit, position).GetAbsolutePoints();
var board = game.Board.Clone();
foreach (var point in points)
{
board.Fill(point);
}
var diverScore = 0;
for (int i = 0; i < board.Height; i++)
{
for (int j = 0; j < board.Width; j++)
{
if (board.Field[i][j] == CellState.Busy)
{
diverScore += i * i;
}
}
}
var busyCount = 0;
for (var i = 0; i < board.Height; i++)
{
if (board.Field[i].All(x => x == CellState.Busy))
{
busyCount++;
}
}
return new Profit
{
BusyRows = busyCount,
DiverScore = diverScore,
DensityScore = CalcDensity(board, points)
};
}