public bool validPlacement(Tuple<int, int> start, Tuple<int, int> end, Board p)
{
if (start.Item1 < 10 && start.Item1 >= 0 && start.Item2 >= 0 && start.Item2 < 10 && end.Item1 < 10 && end.Item1 >= 0 && end.Item2 < 10 && end.Item1 >= 0)
{
if ((start.Item1 == end.Item1) && (start.Item2 != end.Item2) || (start.Item1 != end.Item1) && (start.Item2 == end.Item2))
{
for (int y = start.Item1; y <= end.Item1; y++)
{
for (int x = start.Item2; x <= end.Item2; x++)
{
if (p.isShip(y, x))
{
return false;
}
}
}
if (start.Item1 == end.Item1)
{
//Check above ship
if (start.Item2 > 0)
{
if (p.isShip(start.Item1, start.Item2 - 1))
{
return false;
}
}
//Check below ship
if (start.Item2 < 9)
{
if (p.isShip(end.Item1, end.Item2 + 1))
{
return false;
}
}
//Check at either side of ship
for (int i = start.Item2; i <= end.Item2; ++i)
{
if (start.Item1 < 9)
{
if (p.isShip(start.Item1 + 1, i))
{
return false;
}
}
if (start.Item1 > 0)
{
if (p.isShip(start.Item1 - 1, i))
{
return false;
}
}
}
}
else if (start.Item2 == end.Item2)
{
//Check left of ship
if (start.Item1 > 0)
{
if (p.isShip(start.Item1 - 1, start.Item2))
{
return false;
}
}
//Check right of ship
if (start.Item1 < 9)
{
if (p.isShip(end.Item1 + 1, end.Item2))
{
return false;
}
}
//Check above and below ship
for (int i = start.Item1; i <= end.Item1; ++i)
{
if (start.Item2 < 9)
{
//Console.WriteLine("Checking below ship at ["+i+", "+end.Item2+"]");
if (p.isShip(i, start.Item2 + 1))
{
return false;
}
}
if (start.Item2 > 0)
{
if (p.isShip(i, start.Item2 - 1))
{
return false;
}
}
}
}
return true;
}
}
return false;
}
public void playTurn(Board targetBoard)
{
Console.WriteLine("Playing AI turn");
Tuple<int, int> target;
do
{
target = chooseFireCoords();
Console.WriteLine("AI-Target: " + target);
} while (!targetBoard.fire(target.Item1, target.Item2));
if (targetBoard.isShip(target.Item1, target.Item2))
{
updateKnownBoard(target.Item1, target.Item2, 2); //Hit a ship
if (target.Item1 < 9)
{
if (knownBoard[target.Item2][target.Item1 + 1] == 2)
{
Tuple<int, int> start = new Tuple<int, int>(target.Item1, target.Item2);
Tuple<int, int> end = new Tuple<int, int>(target.Item1 + 1, target.Item2);
damagedShipAt(start, end);
}
}
if (target.Item1 > 0)
{
if (knownBoard[target.Item2][target.Item1 - 1] == 2)
{
Tuple<int, int> end = new Tuple<int, int>(target.Item1, target.Item2);
Tuple<int, int> start = new Tuple<int, int>(target.Item1 - 1, target.Item2);
damagedShipAt(start, end);
}
}
if (target.Item2 < 9)
{
if (knownBoard[target.Item2 + 1][target.Item1] == 2)
{
Tuple<int, int> start = new Tuple<int, int>(target.Item1, target.Item2);
Tuple<int, int> end = new Tuple<int, int>(target.Item1, target.Item2 + 1);
damagedShipAt(start, end);
}
}
if (target.Item2 > 0)
{
if (knownBoard[target.Item2 - 1][target.Item1] == 2)
{
Tuple<int, int> end = new Tuple<int, int>(target.Item1, target.Item2);
Tuple<int, int> start = new Tuple<int, int>(target.Item1, target.Item2 - 1);
damagedShipAt(start, end);
}
}
updateKnownBoard(target.Item1 + 1, target.Item2, 3); //Update the surrounding nodes
updateKnownBoard(target.Item1 - 1, target.Item2, 3);
updateKnownBoard(target.Item1, target.Item2 + 1, 3);
updateKnownBoard(target.Item1, target.Item2 - 1, 3);
if (targetBoard.getShip(target.Item1, target.Item2).getDead())
{
deadShipAt(targetBoard.getShip(target.Item1, target.Item2).getStart(), targetBoard.getShip(target.Item1, target.Item2).getEnd());
updateKnownBoard(target.Item1, target.Item2, 4);
}
}
else
{
updateKnownBoard(target.Item1, target.Item2, 1);
}
}