/* <summary>
* MoveShips allows for ships to be placed on the seagrid also saves the previous directions and location of the ship
* </summary>
* <param name="row">the row selected</param>
* <param name="col">the column selected</param>
* <param name="ship">the ship selected</param>
* <param name="direction">the direction the ship is going</param>
*/
public void MoveShip(int row, int col, ShipName ship, Direction direction)
{
Ship newShip = _Ships[ship];
newShip.Remove();
_oldCol = _Ships[ship].Column;
_oldRow = _Ships[ship].Row;
_oldDir = _Ships[ship].Direction;
AddShip(row, col, direction, newShip);
}
/* <summary>
* AddShip add a ship to the SeaGrid
* </summary>
* <param name="row">row coordinate</param>
* <param name="col">col coordinate</param>
* <param name="direction">direction of ship</param>
* <param name="newShip">the ship</param>
*/
private void AddShip(int row, int col, Direction direction, Ship newShip)
{
try
{
int size = newShip.Size;
int currentRow = row;
int currentCol = col;
int dRow;
int dCol;
if ((direction == Direction.LeftRight))
{
dRow = 0;
dCol = 1;
}
else
{
dRow = 1;
dCol = 0;
}
// place ship's tiles in array and into ship object
int i = 0;
for (i = 0; i <= size - 1; i++)
{
if (currentRow < 0 ||
currentRow >= Width ||
currentCol < 0 ||
currentCol >= Height)
{
throw new InvalidOperationException("Ship can't fit on the board");
}
_GameTiles[currentRow, currentCol].Ship = newShip;
currentCol = (currentCol + dCol);
currentRow = (currentRow + dRow);
}
newShip.Deployed(direction, row, col);
}
catch (Exception e)
{
newShip.Remove();
// if fails remove the ship
throw new ApplicationException(e.Message);
}
finally
{
if (Changed != null)
{
Changed(this, EventArgs.Empty);
}
}
}
/// <summary>
/// AddShip add a ship to the SeaGrid
/// </summary>
/// <param name="row">row coordinate</param>
/// <param name="col">col coordinate</param>
/// <param name="direction">direction of ship</param>
/// <param name="newShip">the ship</param>
private void AddShip(int row, int col, Direction direction, Ship newShip)
{
try
{
int size = newShip.Size;
int currentRow = row;
int currentCol = col;
int dRow = 0;
int dCol = 0;
if (direction == Direction.LeftRight)
{
dRow = 0;
dCol = 1;
}
else
{
dRow = 1;
dCol = 0;
}
//place ship's tiles in array and into ship object
int i = 0;
for (i = 0; i <= size - 1; i++)
{
if (currentRow < 0 | currentRow >= Width | currentCol < 0 | currentCol >= Height)
{
throw new InvalidOperationException("Ship can't fit on the board");
}
_GameTiles[currentRow, currentCol].Ship = newShip;
currentCol += dCol;
currentRow += dRow;
}
newShip.Deployed(direction, row, col);
}
catch (Exception e)
{
newShip.Remove();
//if fails remove the ship
throw new ApplicationException(e.Message);
}
finally
{
if (Changed != null)
{
Changed(this, EventArgs.Empty);
}
}
}
