/// <summary>
/// Walks the visual tree to find a <see cref="GamePieceVisual"/> from a
/// <see cref="PlanarText"/> object.
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
static GamePieceVisual GetGamePieceVisualFromText(PlanarText text)
{
bool flag = false;
DependencyObject currentChild = text;
GamePieceVisual foundPiece = null;
int max = 100;
int count = 0;
while (flag == false)
{
DependencyObject parent = VisualTreeHelper.GetParent(currentChild);
GamePieceVisual parentPiece = parent as GamePieceVisual;
if (parentPiece != null)
{
foundPiece = parentPiece;
flag = true;
}
else
{
if (parent is BoardAxes)
{
return(null);
}
currentChild = parent;
}
count = count + 1;
if (count > max)
{
throw new GameException("A parent game piece on a text model could not be found.");
}
}
return(foundPiece);
}
/// <summary>
/// A helper method used to find a <see cref="GamePieceVisual"/> object by either direct
/// casting or walking the visual tree.
/// </summary>
/// <param name="hitTestResult"></param>
/// <returns></returns>
static GamePieceVisual ConvertHitTestResultToGamePieceVisual(ModelVisual3D hitTestResult)
{
if (hitTestResult == null)
{
return(null);
}
PlanarText textResult = hitTestResult as PlanarText;
if (textResult != null)
{
return(GameBoardController.GetGamePieceVisualFromText(textResult));
}
GamePieceVisual pieceResult = hitTestResult as GamePieceVisual;
if (pieceResult != null)
{
return(pieceResult);
}
return(null);
}
