public Board()
{
this.rowsCompleted = 0;
this.currentLevel = 1;
this.score = 0;
this.currentBlock = new Tetromino();
this.coord = new ToaDo(0, 0);
this.colorCodeBoard();
}
/// <summary>
/// Returns true if the current block can drop one row down else false
/// </summary>
/// <returns></returns>
private bool canDrop()
{
bool canDrop = true;
Tetromino ifDropped = currentBlock.Clone();
ifDropped.y++;
if (!canBeThere(ifDropped))
{
canDrop = false;
}
return(canDrop);
}
/// <summary>
/// Returns true if the current block is allowed to make its next move else false
/// </summary>
/// <param name="ablock"></param>
/// <returns></returns>
private bool canBeThere(Tetromino ablock)
{
bool isMoveable = true;
int dim = 4;
for (int row = 0; row < dim; row++)
{
for (int col = 0; col < dim; col++)
{
if (ablock.currBlock[row, col])
{
ToaDo c = ablock.toBoardCoord(new ToaDo(col, row));
if (isOccupiedCell(c) || c.x >= numCols || c.x < 0 || c.y >= numRows)
{
isMoveable = false;
}
}
}
}
return(isMoveable);
}
/// <summary>
/// Returns true if the current block can rotate else false
/// </summary>
/// <param name="clockwise"></param>
/// <returns></returns>
private bool canRotate(bool clockwise)
{
bool isRotatable = true;
Tetromino whenRotated = currentBlock.Clone();
if (clockwise)
{
whenRotated.rotateClockwise();
}
else
{
whenRotated.rotateCounterClockwise();
}
if (!canBeThere(whenRotated))
{
isRotatable = false;
}
return(isRotatable);
}
/// <summary>
/// Returns true if the current block can move sideways else false
/// </summary>
/// <param name="left"></param>
/// <returns></returns>
private bool canMoveSideWays(bool left)
{
bool isMoveable = true;
Tetromino whenMoved = currentBlock.Clone();
if (left)
{
whenMoved.x--;
}
else
{
whenMoved.x++;
}
if (!canBeThere(whenMoved))
{
isMoveable = false;
}
return(isMoveable);
}