public bool SpaceAvaiable(ShipPlacementOrientations dir, IShip ship, int x, int y)
{
Point p;
if (dir == ShipPlacementOrientations.Horizontal)
{
for (int i = 0; i < ship.Size; i++)
{
p.x = x + i;
p.y = y;
if (!points.Contains(p))
{
return(false);
}
}
}
else
{
for (int i = 0; i < ship.Size; i++)
{
p.x = x;
p.y = y + i;
if (!points.Contains(p))
{
return(false);
}
}
}
return(true);
}
private void ApplyPlacement(IShip ship, ShipPlacementOrientations orientation, int x, int y)
{
for (int i = 0; i < ship.Size; i++)
{
// get x,y coordinates based on ship orientation
int xi = x + (orientation == ShipPlacementOrientations.Horizontal ? i : 0);
int yi = y + (orientation == ShipPlacementOrientations.Vertical ? i : 0);
_grid[xi, yi] = ship;
}
}
public bool PlaceShip(IShip ship, ShipPlacementOrientations orientation, int x, int y)
{
if (!CheckValidPlacement(ship, orientation, x, y))
{
return(false);
}
ApplyPlacement(ship, orientation, x, y);
ship.Orientation = orientation;
ship.X = x;
ship.Y = y;
return(true);
}
private void RemoveShipSpace(ShipPlacementOrientations dir, IShip ship, int x, int y)
{
if (dir == ShipPlacementOrientations.Horizontal)
{
for (int i = 0; i < ship.Size; i++)
{
RemovePointSpace(x + i, y);
}
}
else
{
for (int i = 0; i < ship.Size; i++)
{
RemovePointSpace(x, y + i);
}
}
}
private bool CheckValidPlacement(IShip ship, ShipPlacementOrientations orientation, int x, int y)
{
for (int i = 0; i < ship.Size; i++)
{
// get x,y coordinates based on ship orientation
int xi = x + (orientation == ShipPlacementOrientations.Horizontal ? i : 0);
int yi = y + (orientation == ShipPlacementOrientations.Vertical ? i : 0);
// check if out of bounds
if (xi < 0 || xi > _grid.GetLength(0) || yi < 0 || yi > _grid.GetLength(1))
{
return(false);
}
// check for collision with another ship
if (_grid[xi, yi] is IShip)
{
return(false);
}
}
return(true);
}