private void DoUpdateGridLines(UIElementCollection target, double[] source, Orientation orientation)
{
if (source == null)
{
return;
}
var newCt = source.Length;
var oldCt = target.Count;
if (oldCt > newCt)
{
target.RemoveRange(newCt, oldCt - newCt);
}
for (int i = 0; i < source.Length; i++)
{
var newValue = source[i];
if (i < oldCt)
{
((Line)target[i]).DataContext = newValue;
}
else
{
var line = new Line();
line.DataContext = newValue;
SetGridLineBindings(line, orientation);
target.Add(line);
}
}
}
void RemoveOrders()
{
if (orderElements.Count >= 2)
{
orderElements.RemoveRange(2, orderElements.Count - 2);
positionPanels.RemoveRange(1, positionPanels.Count - 1);
}
}
public void Dispose()
{
if (count == -1)
{
return;
}
if (count < collection.Count)
{
collection.RemoveRange(count, collection.Count - count);
}
count = -1;
}
/// <summary>
/// Moves a character from a position up, down, left, or right depending on whether
/// it is able to move to that position
/// </summary>
/// <param name="characterNo">The character to move</param>
/// <param name="dir">The direction to move the character in</param>
public void MoveCharacter(int characterNo, Direction dir)
{
//Cleanup canvas if using a debugging mode
if (_gridManager.DebuggingCanvasLeftovers > 0)
{
UIElementCollection canvasItems = _gridManager.GameCanvas.Children;
canvasItems.RemoveRange(canvasItems.Count - _gridManager.DebuggingCanvasLeftovers, _gridManager.DebuggingCanvasLeftovers);
_gridManager.DebuggingCanvasLeftovers = 0;
}
if (GameGridManager.Instance.Characters is null)
{
//Game is over so return
return;
}
GridItem characterView = GetCharacterView(characterNo);
//If character won't collide with the wall
if (!Collisions.WallCollisionDetection(ref characterView, dir))
{
MoveCharacterInternal(ref characterView, dir);
if (GameGridManager.Instance.Characters is null)
{
//Game is over so return
return;
}
}
if (Collisions.EnemyCollisionDetection() && !CommunicationManager.Instance.IsNetworked)
{
//Goto the lose page
TopFrameManager.Instance.OverlayFrame.Navigate(new LosePage(this, protagonistType, enemyType, isNetworked: false));
if (GameGridManager.Instance.Characters is null)
{
//Game is over so return
return;
}
}
}
public static void RemoveRange(this UIElementCollection collection, Range range)
{
var(offset, len) = range.GetOffsetAndLength(collection.Count);
collection.RemoveRange(offset, len);
}
