private void btnReset_Click(object sender, EventArgs e)
{
rtbLog.Text = introString;
ResetGrid(PlayerGrid);
//Re-enable the buttons
//Destroyer
btnDestroyer.Enabled = true;
btnDestroyer.Text = "Destroyer";
btnDestroyer.Visible = true;
//Cruiser
btnCruiser.Enabled = true;
btnCruiser.Text = "Cruiser";
btnCruiser.Visible = true;
//Submarine
btnSubmarine.Enabled = true;
btnSubmarine.Text = "Submarine";
btnSubmarine.Visible = true;
//Battleship
btnBattleship.Enabled = true;
btnBattleship.Text = "Battleship";
btnBattleship.Visible = true;
//Carrier
btnCarrier.Enabled = true;
btnCarrier.Text = "Carrier";
btnCarrier.Visible = true;
btnSubmit.Enabled = false;
selectedShipType = ShipType.Default;
shipIsHorizontal = false;
shipPositions = new GridPosition[5, 2];
destroyer = null;
cruiser = null;
submarine = null;
battleship = null;
carrier = null;
}
private bool PlaceShip(ShipType ship)
{
//Check that begin and end points of ship are different
if (shipPositions[(int)ship, 0] == shipPositions[(int)ship, 1])
{
return false;
}
//check that selected points are unique
for (int r = 0; r < 5; r++)
{
for (int c = 0; c < 2; c++)
{
if ((int)ship != r && (shipPositions[(int)ship, 0] == shipPositions[r, c] || shipPositions[(int)ship, 1] == shipPositions[r, c]))
{
return false;
}
}
}
//Check to ensure that ship is in a straight line
if (shipPositions[(int)ship, 0].x == shipPositions[(int)ship, 1].x) //Ship is vertical
{
shipIsHorizontal = false;
}
else if (shipPositions[(int)ship, 0].y == shipPositions[(int)ship, 1].y) //Ship is horizontal
{
shipIsHorizontal = true;
}
else
return false;
switch (ship)
{
case ShipType.Destroyer:
if (shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].x - shipPositions[(int)ship, 1].x)) != 1)
{
return false;
}
}
else if (!shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].y - shipPositions[(int)ship, 1].y)) != 1)
{
return false;
}
}
destroyer = new Ship(ShipType.Destroyer, shipPositions[(int)ship, 0], shipPositions[(int)ship, 1], 2, shipIsHorizontal);
if (CheckForShipCollisions(destroyer) == true)
return false;
break;
case ShipType.Cruiser:
if (shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].x - shipPositions[(int)ship, 1].x)) != 2)
{
return false;
}
}
else if (!shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].y - shipPositions[(int)ship, 1].y)) != 2)
{
return false;
}
}
cruiser = new Ship(ShipType.Cruiser, shipPositions[(int)ship, 0], shipPositions[(int)ship, 1], 3, shipIsHorizontal);
if (CheckForShipCollisions(cruiser) == true)
return false;
break;
case ShipType.Submarine:
if (shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].x - shipPositions[(int)ship, 1].x)) != 2)
{
return false;
}
}
else if (!shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].y - shipPositions[(int)ship, 1].y)) != 2)
{
return false;
}
}
submarine = new Ship(ShipType.Submarine, shipPositions[(int)ship, 0], shipPositions[(int)ship, 1], 3, shipIsHorizontal);
if (CheckForShipCollisions(submarine) == true)
return false;
break;
case ShipType.Battleship:
if (shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].x - shipPositions[(int)ship, 1].x)) != 3)
{
return false;
}
}
else if (!shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].y - shipPositions[(int)ship, 1].y)) != 3)
{
return false;
}
}
battleship = new Ship(ShipType.Battleship, shipPositions[(int)ship, 0], shipPositions[(int)ship, 1], 4, shipIsHorizontal);
if (CheckForShipCollisions(battleship) == true)
return false;
break;
case ShipType.Carrier:
if (shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].x - shipPositions[(int)ship, 1].x)) != 4)
{
return false;
}
}
else if (!shipIsHorizontal)
{
if (Math.Abs((shipPositions[(int)ship, 0].y - shipPositions[(int)ship, 1].y)) != 4)
{
return false;
}
}
carrier = new Ship(ShipType.Carrier, shipPositions[(int)ship, 0], shipPositions[(int)ship, 1], 5, shipIsHorizontal);
if (CheckForShipCollisions(carrier) == true)
return false;
break;
}
return true;
}
private bool CheckForShipCollisions(Ship ship)
{
if (ship.type != ShipType.Destroyer && destroyer != null)
{
for (int o = 0; o < destroyer.occupiedSquares.Length; o++)
{
for (int s = 0; s < ship.occupiedSquares.Length; s++)
{
if (ship.occupiedSquares[s].x == destroyer.occupiedSquares[o].x && ship.occupiedSquares[s].y == destroyer.occupiedSquares[o].y)
{
return true;
}
}
}
}
if (ship.type != ShipType.Cruiser && cruiser != null)
{
for (int o = 0; o < cruiser.occupiedSquares.Length; o++)
{
for (int s = 0; s < ship.occupiedSquares.Length; s++)
{
if (ship.occupiedSquares[s].x == cruiser.occupiedSquares[o].x && ship.occupiedSquares[s].y == cruiser.occupiedSquares[o].y)
{
return true;
}
}
}
}
if (ship.type != ShipType.Submarine && submarine != null)
{
for (int o = 0; o < submarine.occupiedSquares.Length; o++)
{
for (int s = 0; s < ship.occupiedSquares.Length; s++)
{
if (ship.occupiedSquares[s].x == submarine.occupiedSquares[o].x && ship.occupiedSquares[s].y == submarine.occupiedSquares[o].y)
{
return true;
}
}
}
}
if (ship.type != ShipType.Battleship && battleship != null)
{
for (int o = 0; o < battleship.occupiedSquares.Length; o++)
{
for (int s = 0; s < ship.occupiedSquares.Length; s++)
{
if (ship.occupiedSquares[s].x == battleship.occupiedSquares[o].x && ship.occupiedSquares[s].y == battleship.occupiedSquares[o].y)
{
return true;
}
}
}
}
if (ship.type != ShipType.Carrier && carrier != null)
{
for (int o = 0; o < carrier.occupiedSquares.Length; o++)
{
for (int s = 0; s < ship.occupiedSquares.Length; s++)
{
if (ship.occupiedSquares[s].x == carrier.occupiedSquares[o].x && ship.occupiedSquares[s].y == carrier.occupiedSquares[o].y)
{
return true;
}
}
}
}
return false;
}
private void CalculateShipPositions(string ship, ShipType type, int length, int clientNo)
{
string[] points = new string[2];
points[0] = ship.Split('.')[0];
points[1] = ship.Split('.')[1];
bool isHorizontal = false;
GridPosition startPos = new GridPosition(int.Parse(points[0].Split(',')[0]), int.Parse(points[0].Split(',')[1]));
GridPosition endPos = new GridPosition(int.Parse(points[1].Split(',')[0]), int.Parse(points[1].Split(',')[1]));
if (startPos.x == endPos.x)//Ship is vertical
{
isHorizontal = false;
}
else if (startPos.y == endPos.y)//Ship is horizontal
{
isHorizontal = true;
}
Ship tempShip = new Ship(type, startPos, endPos, length, isHorizontal);
for (int i = 0; i < tempShip.occupiedSquares.Length; i++)
{
if (clientNo == 0)
{
client1TempPositions.Add(tempShip.occupiedSquares[i]);
}
else if (clientNo == 1)
{
client2TempPositions.Add(tempShip.occupiedSquares[i]);
}
}
}