// boards the Battleship on board with the 3 user inputs
public void BoardBattleship()
{
try
{
GetCoordinates co = new GetCoordinates();
int x = 0;
int y = 0;
// get the X and Y coordinates from the start position
co.GetXY(startPosition, out x, out y);
if (placementType == 'H') // if horizontal orientation
{
// places the battleship horizontally
for (int col = y; col < y + battleshipLen; col++)
{
DisplayGrid.ownGrid[x, col] = 'B';
}
}
else if (placementType == 'V') // if vertical orientation
{
// places the battleship vertically
for (int row = x; row < x + battleshipLen; row++)
{
DisplayGrid.ownGrid[row, y] = 'B';
}
}
Console.WriteLine("Battleship placed Successfully.");
}
catch
{
throw;
}
}
/* Validates if the Battleship can be placed at the position entered by the user
* it should fit from the start position towards right or bottom. shouldn't exceed the grid
* returns true if a valid position else returns false
* */
public bool ValidatePlacement(string startPosition, char placementType, int battleshipLen)
{
try
{
startPosition = startPosition.ToUpper();
// replacing column 10 with X to maintain a single char column name
startPosition = startPosition[0] + startPosition.Substring(1, startPosition.Length - 1).Replace("10", "X");
// any position on grid is only 2 char length XY, so return false if length > 2
if (startPosition.Length > 2)
{
return(false);
}
GetCoordinates co = new GetCoordinates();
int x = 0;
int y = 0;
// get the X and Y coordinates
co.GetXY(startPosition, out x, out y);
int pos = 0;
if (placementType == 'H') // if orientation is horizontal
{
pos = y;
}
else if (placementType == 'V') // if orientation is vertical
{
pos = x;
}
if (pos + battleshipLen <= 11) // check if the battleship is not exceeding the grid length
{
success = true;
}
else
{
success = false;
}
return(success);
}
catch
{
throw;
}
}
// process the firing shot and retuns a hit or miss.
// updates the firing grid with H/M accordingly
public bool ProcessFiringShot()
{
try
{
GetCoordinates co = new GetCoordinates();
int x = 0;
int y = 0;
// get the X and Y coordinates
co.GetXY(firingPosition, out x, out y);
if (DisplayGrid.firingGrid[x, y] != '0') // check if that coordinate is already fired earlier.
{
message = "Already shot at this position";
return(false);
}
else
{
// check if the battleship is placed at that position
if (DisplayGrid.ownGrid[x, y] == 'B') // if its a hit update firing grid position with h
{
message = "It's a HIT";
DisplayGrid.firingGrid[x, y] = 'H';
hitCount++;
return(true);
}
else // if its a miss update firing grid position with m
{
message = "It's a MISS";
DisplayGrid.firingGrid[x, y] = 'M';
return(false);
}
}
}
catch
{
throw;
}
}
