/*
* Initiate the drop event and if successful, move image from menu to board
* @author Stanislav Yurchenko
* @version 03/12/2017
*/
private void DragAndDrop(object sender, DragEventArgs e)
{
Label lbl = sender as Label;
// Find where the event was fired
int row = Grid.GetRow(lbl);
int column = Grid.GetColumn(lbl);
Image img = new Image();
// Get name of ship from the dragged content
Ship s = GetShipReference(e.Data.GetData(typeof(String)) as String);
// Get the image reference
BitmapImage bitImage = new BitmapImage(new Uri(s.GetPath(), UriKind.Relative));
img.Source = bitImage;
if (s.Vertical)
{
img.SetValue(Grid.RowSpanProperty, s.GetLength());
}
else
{
img.SetValue(Grid.ColumnSpanProperty, s.GetLength());
}
try
{
user.GameGrid.AddShip(s, row, column);
}
catch (IndexOutOfRangeException)
{
return;
}
// Bind the image to the specific row and column
Grid.SetRow(img, row);
Grid.SetColumn(img, column);
// Add the image to the board
PlayerGrid.Children.Add(img);
// Render the label inactive
lbl.AllowDrop = false;
// Remove ship image from menu, check all images in the grid
foreach (Image menuShip in SeparationGrd.Children.OfType <Image>())
{
if (menuShip.Name.Equals(s.GetName()))
{
SeparationGrd.Children.Remove(menuShip);
// Will complain about changing list otherwise
break;
}
}
if (user.GameGrid.ShipsPlaced())
{
Mittelspiel();
}
}
/*
* Draw the ship sent to this method
* @author Stanislav Yurchenko
* @version 06/12/2017
*/
private void DrawShip(Ship s)
{
bool neverDrawn = true;
for (int i = 0; i < drawnElements.Length; i++)
{
if (drawnElements[i] == null)
{
drawnElements[i] = s.GetName();
}
else if (s.GetName().Equals(drawnElements[i]))
{
neverDrawn = false;
}
}
if (neverDrawn)
{
int row;
int column;
BitmapImage img;
column = s.Coordinates[0] % 10;
row = s.Coordinates[0] / 10;
img = new BitmapImage(new Uri(s.GetPath(), UriKind.Relative));
Image image = new Image()
{
Source = img
};
Grid.SetRow(image, row);
Grid.SetColumn(image, column);
Grid.SetZIndex(image, 98);
EnemyGrd.Children.Add(image);
if (s.Vertical)
{
image.SetValue(Grid.RowSpanProperty, s.GetLength());
}
else
{
image.SetValue(Grid.ColumnSpanProperty, s.GetLength());
}
}
}
/*
* Method tries to add ship to board
* @author Stanislav Yurchenko
* @version 03/12/2017
*/
public void AddShip(Ship s, int row, int column)
{
int[] coordinates = new int[s.GetLength()];
// check if vertical ship is too close to bottom
if (s.Vertical && row + s.GetLength() > 10)
{
throw new IndexOutOfRangeException("Too close to border");
// check if horizontal ship is too close to right side
}
else if (!s.Vertical && column + s.GetLength() > 10)
{
throw new IndexOutOfRangeException("Too close to border");
}
// Find every coordinate for ship and assign them to the property as long as they don't overlap
for (int i = 0; i < coordinates.Length; i++)
{
coordinates[i] = row * 10 + column;
foreach (Ship boat in ships)
{
if (boat.Coordinates != null && !s.GetName().Equals(boat.GetName()) && boat.Overlap(coordinates[i], true))
{
s.Coordinates = null;
throw new IndexOutOfRangeException("Overlaps with other ship");
}
}
if (s.Vertical)
{
row++;
}
else
{
column++;
}
}
s.Coordinates = coordinates;
s.GenerateFrame();
}