/// <summary>
/// In order to move an item we catch the mouse down event to decide which
/// thing has been selected. This function chooses either the selected
/// cut, trigger or player.
/// </summary>
/// <param name="mouseLocation">Screen coordinates.</param>
/// <param name="frame">Frame currently being designed.</param>
/// <param name="converter">Used to convert from screen to pitch
/// coordinates.</param>
public override void handleMouseDown(Point mouseLocation,
PlayFrame frame,
PitchScreenCoordConverter converter,
VisualOverlay overlay)
{
PointF pitchCoords = converter.screenToPitchCoords(mouseLocation);
// Choose closest selected item.
mSelectedPlayer = frame.GetClosestPlayer(pitchCoords,
SELECTION_MAX_DISTANCE);
mSelectedCut = frame.GetClosestCutEnd(pitchCoords,
SELECTION_MAX_DISTANCE);
mSelectedTrigger = frame.GetClosestTrigger(pitchCoords,
SELECTION_MAX_DISTANCE);
mIsMovingDiscControlPoint = frame.IsNearControlPoint(pitchCoords,
SELECTION_MAX_DISTANCE);
// Note that the ordering of priorities here MUST be the same as the
// ordering on mouse up.
if (mSelectedTrigger != null)
{
overlay.SelectedTrigger = mSelectedTrigger;
overlay.TriggerPlayer = mSelectedTrigger.AffectedPlayer;
}
else if (mSelectedCut != null)
{
overlay.DrawingNewCut = false;
overlay.CutStart = mSelectedCut;
}
else if (mSelectedPlayer != null)
{
overlay.SelectedPlayer = mSelectedPlayer;
}
else if (mIsMovingDiscControlPoint)
{
overlay.MovingDiscControlPoint = true;
}
}
/// <summary>
/// Draw a trigger onto the screen. The location is tied to the trigger
/// object.
///
/// The description of what the trigger will look like is contained wholly
/// within this function.
/// </summary>
/// <param name="display"></param>
/// <param name="trigger"></param>
/// <param name="converter"></param>
private void DrawTrigger(Graphics display,
Trigger trigger,
PitchScreenCoordConverter converter)
{
PointF locationToDraw = trigger.CausingCutRatio.GetAbsolutePosition();
DrawPlayer(trigger.AffectedPlayer,
trigger.CausingCutRatio.GetAbsolutePosition(),
display,
converter,
true);
}
/// <summary>
/// Called whenever we want to remove a specified trigger from the
/// frame.
///
/// Noop if the trigger didn't exist.
/// </summary>
/// <param name="trigger">Can be null.</param>
internal void RemoveTrigger(Trigger trigger)
{
if (Triggers.Contains(trigger))
{
Triggers.Remove(trigger);
}
}
/// <summary>
/// Given a position on the pitch and a player who is going to be moved we
/// are able to check whether the trigger lies on a cut from any other
/// player and if so to create a new trigger at that position so that the
/// player moves when the trigger is hit.
/// </summary>
/// <param name="pitchCoords"></param>
/// <param name="maxDistanceFromLine"></param>
/// <param name="affectedPlayer"></param>
/// <returns>True if a trigger was created and false otherwise.</returns>
public Boolean MaybeCreateTrigger(PointF pitchCoords,
float maxDistanceFromLine,
Player affectedPlayer)
{
Boolean foundCut = false;
CutRatio cutRatio = GetClosestCutPoint(pitchCoords,
maxDistanceFromLine,
affectedPlayer);
if (cutRatio != null)
{
foundCut = true;
Trigger trigger = new Trigger(cutRatio, affectedPlayer);
Triggers.Add(trigger);
}
return foundCut;
}
/// <summary>
/// We capture the mouse up event and use it to place whatever it was that
/// was selected on the mouse down event. If nothing was selected this does
/// nothing.
/// </summary>
/// <param name="mouseLocation"></param>
/// <param name="frame"></param>
/// <param name="converter"></param>
public override void handleMouseUp(Point mouseLocation,
PlayFrame frame,
PitchScreenCoordConverter converter,
VisualOverlay overlay)
{
PointF pitchCoords = converter.screenToPitchCoords(mouseLocation);
if (mSelectedTrigger != null)
{
// If we are moving a trigger then only move it if the position it is
// being placed is valid.
if (frame.MaybeCreateTrigger(pitchCoords,
SELECTION_MAX_DISTANCE,
mSelectedTrigger.AffectedPlayer))
{
frame.RemoveTrigger(mSelectedTrigger);
ModelChanged = true;
}
}
else if (mSelectedPlayer != null)
{
frame.PlayerMovement[mSelectedPlayer][0].FinalPosition = pitchCoords;
ModelChanged = true;
}
else if (mSelectedCut != null)
{
mSelectedCut.FinalPosition = pitchCoords;
ModelChanged = true;
}
else if (mIsMovingDiscControlPoint)
{
frame.DiscFrameMovement.ControlPoint = pitchCoords;
ModelChanged = true;
}
// Regardless of whether anything moved the move tool is complete on
// mouse up.
mSelectedCut = null;
mSelectedPlayer = null;
mSelectedTrigger = null;
IsComplete = true;
}
internal void DeleteTrigger(Trigger mClickedTrigger)
{
viewPanel.CurrentFrame.RemoveTrigger(mClickedTrigger);
viewPanel.Refresh();
ModelChanged();
}
/// <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);
}
}
