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));
}
public Game(Board board, GameUnit current, Unit[] unitsSequence, int currentUnitNumber, int lastUnitLinesCleared, int score, int problemId, long seed, string lastSymbols, int wordsMask)
: this()
{
Board = board;
Current = current;
UnitsSequence = unitsSequence;
CurrentUnitNumber = currentUnitNumber;
LastUnitLinesCleared = lastUnitLinesCleared;
Score = score;
ProblemId = problemId;
Seed = seed;
LastSymbols = lastSymbols;
WordsMask = wordsMask;
}
public Point GetPivotLocation(Unit unit)
{
var minCol = unit.Points.Min(x => x.Col);
var maxCol = unit.Points.Max(x => x.Col);
var colShift = (Board.Width - (maxCol - minCol + 1)) / 2;
return unit.PivotPoint.Move(new Point(minCol, 0), new Point(colShift, 0));
}