private void DrawShip(Graphics g, Ship ship, Brush backColor, int cellSize)
{
var area = new Rectangle(ship.Position.x, ship.Position.y, 1, 1);
if (ship.Orientation == ShipOrientation.Horizontal)
{
area.Width = ship.GetShipLength();
}
else
{
area.Height = ship.GetShipLength();
}
var pixelArea = new Rectangle(
area.X * cellSize + cellSize,
area.Y * cellSize + cellSize,
area.Width * cellSize,
area.Height * cellSize);
g.FillRectangle(backColor, pixelArea);
g.DrawRectangle(m_CellShipEdgePen, pixelArea);
}
/// <summary>
/// Returns a value indicating whether the given Ship can be placed at its current Position and Orientation.
/// </summary>
/// <param name="ship">The ship that is to be placed.</param>
public bool CanPlaceShip(Ship ship)
{
// within board?
var min = ship.Position;
var max = ship.Position;
if (ship.Orientation == ShipOrientation.Horizontal)
{
max.x += ship.GetShipLength() - 1;
}
else
{
max.y += ship.GetShipLength() - 1;
}
if (!min.IsWithinBoard())
{
return(false);
}
if (!max.IsWithinBoard())
{
return(false);
}
// no overlap with other ships?
for (int x = min.x; x <= max.x; x++)
{
for (int y = min.y; y <= max.y; y++)
{
if (IsCellOccupied(new BoardPosition(x, y)))
{
return(false);
}
}
}
return(true);
}
private void BeginPlacingShip()
{
m_Placing = new Ship(m_PlacingType);
lblGameStatus.Text = $"Place your ships! Now placing {m_PlacingType} ({m_Placing.GetShipLength()} cells wide)";
}