public static MoveType[] MovesForPosition(Position position, int x)
{
var moves = new List<MoveType>();
//position.Rotation
if (position.Rotation > 0)
{
moves.AddRange(Enumerable.Repeat(MoveType.TurnRight, position.Rotation));
}
var offset = (position.Rotation == 1) ? (position.Type == PieceType.I) ? 2 : 1 : 0;
var origenX = x + offset;
var destinationX = position.X;
if (origenX > destinationX)
{
//move left
for(int i=0;i<origenX-destinationX;i++)
moves.Add(MoveType.Left);
}
else if (origenX < destinationX)
{
//move right
for (int i = 0; i < destinationX - origenX; i++)
moves.Add(MoveType.Right);
}
else
{
moves.Add(MoveType.Down);
}
return moves.ToArray();
}
public static Position MinimumDamagePosition(PieceType type, int[] columns)
{
var result = new Position
{
Type = type,
Rotation = 0,
X = 0,
};
int minDammage = 1000;
int rotationMax = 0;
switch (type)
{
case PieceType.O:
rotationMax = 1;
break;
case PieceType.I:
case PieceType.Z:
case PieceType.S:
rotationMax = 2;
break;
case PieceType.J:
case PieceType.L:
case PieceType.T:
rotationMax = 4;
break;
}
int columnsSum = columns.Sum();
for (int r = 0; r < rotationMax; r++)
{
for (int i = 0; i < columns.Length; i++)
{
int[] columsAfter = columns.GetColomnsAfterWithHoles2(i, r, type);
if (columsAfter.Sum() <= columnsSum) break;
var damage = columsAfter.Sum() - columnsSum;
if (damage < minDammage)
{
minDammage = damage;
result.Rotation = r;
result.X = i;
}
if (damage == minDammage && columns[result.X] > columns[i])
{
result.X = i;
}
}
}
return result;
}
