/// <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>
/// Removes all of the cuts from a given starting location and a given
/// player. Also removes and triggers or disc movement to those cuts.
/// </summary>
/// <param name="clickedPlayer"></param>
/// <param name="clickedCut">This cut will be removed as well.</param>
internal void ClearCuts(Player clickedPlayer,
LinearMovement clickedCut = null)
{
int totalCuts;
int index;
if (clickedCut == null)
{
// -1 because the first in the list is the starting location.
index = 1;
}
else
{
index = PlayerMovement[clickedPlayer].IndexOf(clickedCut);
}
totalCuts = PlayerMovement[clickedPlayer].Count - index;
// First we remove anything attached to the cuts that we're about to
// delete and then we delete the cuts themselves.
PlayerMovement[clickedPlayer].GetRange(index, totalCuts).ForEach(ClearSingleCut);
PlayerMovement[clickedPlayer].RemoveRange(index, totalCuts);
}
/// <summary>
/// Takes a cut and replaces the element in the player movement
/// dictionary with the final position that the cut gets to.
/// </summary>
/// <param name="cut"></param>
/// <param name="pitchCoords">New location in pitch coordinates</param>
public void ReplaceCut(LinearMovement cut, PointF pitchCoords)
{
foreach (List<LinearMovement> playerCuts in PlayerMovement.Values)
{
if (playerCuts.Contains(cut))
{
playerCuts[playerCuts.IndexOf(cut)].FinalPosition = pitchCoords;
}
}
}
/// <summary>
/// Thsi function is used to clear a single cut of all attached elements.
/// </summary>
/// <param name="cut"></param>
private void ClearSingleCut(LinearMovement cut)
{
Triggers.RemoveAll(trigger => trigger.CausingCutRatio.CausingCut == cut);
if (DiscFrameMovement.ReceivingCut == cut)
{
ClearDiscFlightPath();
}
}
/// <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;
}
/// <summary>
/// Clear all cuts up the specified one for a given player.
/// </summary>
/// <param name="clickedPlayer"></param>
/// <param name="clickedCut"></param>
internal void ClearCuts(Player clickedPlayer,
LinearMovement clickedCut = null)
{
viewPanel.CurrentFrame.ClearCuts(clickedPlayer, clickedCut);
viewPanel.Refresh();
ModelChanged();
}
