/// <summary>
/// Retrieves the closest point on any cut to the given coordinates. This
/// is used for placing triggers and indicating where the disc should go
/// </summary>
/// <param name="pitchCoords"></param>
/// <param name="selectionMaxDistance"></param>
/// <param name="playerToIgnore">Compares the unique ids rather than
/// references.</param>
/// <param name="selectionMinDistance"></param>
/// <returns></returns>
public CutRatio GetClosestCutPoint(PointF pitchCoords,
float selectionMaxDistance,
Player playerToIgnore,
float selectionMinDistance = -1.0f)
{
CutRatio cutRatio = null;
LinearMovement previousMovement = null;
float minDistanceFromLine = selectionMaxDistance;
LinearMovement closestMovement = null;
LinearMovement closestPreviousMovement = null;
Player closestPlayer = null;
PointF triggerPoint = new PointF();
foreach (Player player in PlayerMovement.Keys.Where(player => (playerToIgnore == null) ||
(player.UniqueId != playerToIgnore.UniqueId)))
{
List<LinearMovement> playerCut = PlayerMovement[player];
if (playerCut.Count > 1)
{
previousMovement = playerCut[0];
PointF startCut = playerCut[0].FinalPosition;
foreach (LinearMovement cutSection in PlayerMovement[player].GetRange(1, playerCut.Count - 1))
{
PointF endCut = cutSection.FinalPosition;
PointF closestPoint = GeometryUtils.ClosestPointLineSegment(startCut, endCut, pitchCoords);
float distanceFromCut = GeometryUtils.DistBetweenPoints(closestPoint, pitchCoords);
if (distanceFromCut < minDistanceFromLine &&
distanceFromCut > selectionMinDistance)
{
minDistanceFromLine = distanceFromCut;
closestMovement = cutSection;
closestPlayer = player;
closestPreviousMovement = previousMovement;
triggerPoint = closestPoint;
}
startCut = cutSection.FinalPosition;
previousMovement = cutSection;
}
}
}
if (closestPlayer != null)
{
float cutLength = GeometryUtils.DistBetweenPoints(closestMovement.FinalPosition,
closestPreviousMovement.FinalPosition);
float distanceToTrigger = GeometryUtils.DistBetweenPoints(closestPreviousMovement.FinalPosition,
triggerPoint);
cutRatio = new CutRatio();
cutRatio.CausingCut = closestMovement;
cutRatio.PreviousCut = closestPreviousMovement;
cutRatio.RatioAlongCut = Math.Abs(distanceToTrigger / cutLength);
cutRatio.Player = closestPlayer;
}
return cutRatio;
}
public Trigger(CutRatio cutRatio, Player affectedPlayer)
{
CausingCutRatio = cutRatio;
AffectedPlayer = affectedPlayer;
UniqueId = NextUniqueId++;
}
/// <summary>
/// Overriding the onpopup handler (gets called before the menu is
/// displayed) to set up the menu based on what was clicked on.
///
/// This is to get around the fact that each player and cut is not
/// actually a control.
/// </summary>
/// <param name="e"></param>
protected override void OnPopup(EventArgs e)
{
this.MenuItems.Clear();
if (mViewPanel.IsDesignMode)
{
// The mouse location comes in here as the location on the entire application
// We need to use PointToClient to convert it to mouse location on the view
// panel.
Point mouseLocation = Cursor.Position;
mMouseLocation = mViewPanel.PointToClient(mouseLocation);
PointF pitchCoordinates = mViewPanel.Converter.screenToPitchCoords(mMouseLocation);
PlayFrame currentFrame = mViewPanel.CurrentFrame;
// Find out what was near the right click.
mClickedPlayer = currentFrame.GetClosestPlayer(pitchCoordinates,
Settings.Default.PlayerDiameter);
mClickedTrigger = currentFrame.GetClosestTrigger(pitchCoordinates,
Settings.Default.PlayerDiameter);
mClickedCutRatio = mViewPanel.CurrentFrame.GetClosestCutPoint(pitchCoordinates,
Settings.Default.PlayerDiameter,
null);
bool discPathClicked = currentFrame.IsOnFlightPath(pitchCoordinates,
Settings.Default.PlayerDiameter);
if (mClickedPlayer != null)
{
SetUpPlayerMenu();
}
if (mClickedTrigger != null)
{
SetUpTriggerMenu();
}
if (mClickedCutRatio != null)
{
SetUpCutMenu();
}
if (discPathClicked)
{
SetUpDiscFlightMenu();
}
if (currentFrame.CanDrawCut(pitchCoordinates, Settings.Default.PlayerDiameter, 0.0f))
{
SetUpNewCutMenu();
}
base.OnPopup(e);
}
}
