public void Rotate90DegreesClockwise()
{
if (Bricks.Length == 1)
{
return;
}
int n = Bricks.Length;
for (int shell = 0; shell <= n / 2; shell++)
{
for (int i = 0; i < n - 2 * shell - 1; i++)
{
var(row1, col1) = (shell, shell + i);
var(row2, col2) = (n - shell - 1 - i, shell);
var(row3, col3) = (n - shell - 1, n - shell - 1 - i);
var(row4, col4) = (shell + i, n - shell - 1);
TetrisBrick temp = Bricks[row1][col1];
Bricks[row1][col1] = Bricks[row2][col2];
Bricks[row2][col2] = Bricks[row3][col3];
Bricks[row3][col3] = Bricks[row4][col4];
Bricks[row4][col4] = temp;
}
}
}
private TetrisBrick[][] MakeBricksMatrix()
{
TetrisBrick[][] result = new TetrisBrick[MaxSize][];
for (int i = 0; i < result.Length; i++)
{
result[i] = new TetrisBrick[MaxSize];
}
return(result);
}
public object Clone()
{
TetrisPiece newPiece = new TetrisPiece(this.MaxSize);
for (int rowIndex = 0; rowIndex < this.Bricks.Length; rowIndex++)
{
for (int colIndex = 0; colIndex < this.Bricks[rowIndex].Length; colIndex++)
{
TetrisBrick brick = Bricks[rowIndex][colIndex];
newPiece.Bricks[rowIndex][colIndex] = (brick != null ? (TetrisBrick)brick.Clone() : null);
}
}
newPiece.Color = (IColor)Color.Clone();
return(newPiece);
}
public override int GetHashCode()
{
unchecked {
int hash = 19;
for (int row = 0; row < MaxSize; row++)
{
for (int col = 0; col < MaxSize; col++)
{
TetrisBrick brick = Bricks[row][col];
int brickHash = brick != null?brick.GetHashCode() : 0;
hash = hash * 31 + brickHash;
}
}
return(hash);
}
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
for (int rowIndex = 0; rowIndex < Bricks.Length; rowIndex++)
{
for (int colIndex = 0; colIndex < Bricks[rowIndex].Length; colIndex++)
{
TetrisBrick brick = Bricks[rowIndex][colIndex];
sb.Append(brick != null ? brick.ToString() : " ");
}
if (rowIndex < Bricks.Length - 1)
{
sb.AppendLine();
}
}
return(sb.ToString());
}
public override bool Equals(object other)
{
if (!(other is TetrisPiece otherPiece))
{
return(false);
}
if (otherPiece.MaxSize != this.MaxSize)
{
return(false);
}
for (int row = 0; row < MaxSize; row++)
{
for (int col = 0; col < MaxSize; col++)
{
TetrisBrick brick = Bricks[row][col];
TetrisBrick otherBrick = otherPiece.Bricks[row][col];
if (brick == null && otherBrick != null)
{
return(false);
}
if (brick == null && otherBrick == null)
{
continue;
}
if (!brick.Equals(otherBrick))
{
return(false);
}
}
}
return(true);
}
public TetrisBrick(TetrisBrick other)
{
Color = (IColor)other.Color.Clone();
}
