public IGame Shift(int value)
{
var valueLocation = this.GetLocation(value);
var zeroLocation = this.GetLocation(0);
if (!(valueLocation.X == zeroLocation.X && Math.Abs(valueLocation.Y - zeroLocation.Y) == 1) &&
!(valueLocation.Y == zeroLocation.Y && Math.Abs(valueLocation.X - zeroLocation.X) == 1))
{
throw new GameException($"Near chip {value} is not empty place.");
}
var newRecord = new GameHistoryRecord(value, zeroLocation, valueLocation);
return(new GameWithMemory(newRecord, this));
}
private GameWithMemory(GameHistoryRecord record, IGame baseGame)
{
this.record = record;
this.baseGame = baseGame;
}
