private bool fitsVertically(Square square, int length, int displacement)
{
int squaresBelow = displacement;
int squaresAbove = length - displacement - 1;
if (!square.hasDown(squaresBelow))
{
return(false);
}
if (!square.hasUp(squaresAbove))
{
return(false);
}
for (int i = 0; i <= squaresBelow; i++)
{
if (state(square.down(i)) != SquareState.Unknown)
{
return(false);
}
}
for (int i = 1; i <= squaresAbove; i++)
{
if (state(square.up(i)) != SquareState.Unknown)
{
return(false);
}
}
return(true);
}
internal List <Square> getContiguousHits(Square sq)
{
bool horizontal = false;
if (sq.hasLeft() && (state(sq.left()) == SquareState.Hit))
{
horizontal = true;
}
if (sq.hasRight() && (state(sq.right()) == SquareState.Hit))
{
horizontal = true;
}
List <Square> answer = new List <Square>();
if (horizontal)
{
Square current = sq;
while (current.hasLeft() && state(current.left()) == SquareState.Hit)
{
current = current.left();
}
answer.Add(current);
while (current.hasRight() && state(current.right()) == SquareState.Hit)
{
current = current.right();
answer.Add(current);
}
}
else
{
Square current = sq;
while (current.hasDown() && state(current.down()) == SquareState.Hit)
{
current = current.down();
}
answer.Add(current);
while (current.hasUp() && state(current.up()) == SquareState.Hit)
{
current = current.up();
answer.Add(current);
}
}
return(answer);
}
private void addMissesAboveAndBelow(Square sq)
{
if (sq.hasUp())
{
addMissIfNotHit(sq.up());
}
if (sq.hasDown())
{
addMissIfNotHit(sq.down());
}
}
private bool isSunk(OpponentsBoard board, List <Square> sinkingShip)
{
if (sinkingShip.Count < 2)
{
return(false);
}
if (sinkingShip.Count == board.maxRemaining())
{
return(true);
}
Square first = sinkingShip[0];
Square last = sinkingShip[sinkingShip.Count - 1];
bool horizontal = first.y == last.y;
// logger(horizontal ? "Horizontal" : "Vertical");
if (horizontal)
{
bool leftOk = !first.hasLeft() || board.state(first.left()) == SquareState.Miss;
bool rightOk = !last.hasRight() || board.state(last.right()) == SquareState.Miss;
//logger(leftOk ? "Left is done" : "Could still be left");
//logger(rightOk ? "Right is done" : "Could still be right");
return(leftOk && rightOk);
}
else
{
bool downOk = !first.hasDown() || board.state(first.down()) == SquareState.Miss;
bool upOk = !last.hasUp() || board.state(last.up()) == SquareState.Miss;
//logger(downOk ? "Down is done" : "Could still be down");
//logger(upOk ? "Up is done" : "Could still be up");
return(downOk && upOk);
}
}