public override void handleMouseDown(Point mouseLocation,
PlayFrame frame,
PitchScreenCoordConverter converter,
VisualOverlay overlay)
{
if (mSelectedPlayer == null)
{
PointF pitchCoords = converter.screenToPitchCoords(mouseLocation);
// No player is yet selected so attempt to find the one closest
// to the selected spot.
mSelectedPlayer = frame.GetClosestPlayer(pitchCoords,
Settings.Default.PlayerDiameter * 2.0f);
if (mSelectedPlayer == null)
{
LinearMovement prevCut = frame.GetClosestCutEnd(pitchCoords,
Settings.Default.PlayerDiameter * 2.0f);
if (prevCut != null &&
prevCut != frame.DiscFrameMovement.ReceivingCut)
{
mSelectedPlayer = prevCut.Player;
overlay.DrawingNewCut = true;
overlay.CutStart = prevCut;
}
}
else
{
overlay.DrawingNewCut = true;
overlay.CutStart = frame.PlayerMovement[mSelectedPlayer][0];
}
}
}
/// <summary>
/// Clears the overlay so that nothing is displayed on top of the
/// design.
///
/// Should be called whenever a tool completes.
/// </summary>
internal void Clear()
{
TriggerPlayer = null;
SelectedTrigger = null;
SelectedPlayer = null;
CutStart = null;
DrawingNewCut = false;
DrawingDiscMovement = false;
PlacingDisc = false;
PlacingTrigger = false;
MovingDiscControlPoint = false;
}
/// <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>
/// 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>
/// 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;
}
/// <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);
}
}
public LinearMovement(float x, float y, int speedPercentage, Player player)
{
FinalPosition = new PointF(x, y);
SpeedPercentage = speedPercentage;
Player = player;
}
internal void ClearTrigger(Player clickedPlayer)
{
viewPanel.CurrentFrame.Triggers.RemoveAll(trigger => trigger.AffectedPlayer == clickedPlayer);
viewPanel.Refresh();
ModelChanged();
}
public PlaceCutTool(PictureBox toolPicture, Player player)
: this(toolPicture)
{
mSelectedPlayer = player;
}
/// <summary>
/// Checks whether a given player is the thrower.
/// </summary>
/// <param name="player">Any player object.</param>
/// <returns>True if the player is the thrower. False is no thrower or
/// player is not the thrower</returns>
internal bool IsThrower(Player player)
{
return (DiscFrameMovement.Thrower == player);
}
internal CyclicDataModelException(Player player)
{
mPlayer = player;
}
/// <summary>
/// Adds a new entry in the player delay table for the given player if
/// one does not already exist.
///
/// If one DOES exist then it only updates it if this delay is larger.
/// </summary>
/// <param name="player">The player who is being delayed</param>
/// <param name="delay">The number of cycles before the player starts
/// moving.</param>
/// <returns>True if an addition or update made. False otherwise.</returns>
private Boolean AddUpdateDelay(Player player, int delay)
{
if (mPlayerDelays.ContainsKey(player))
{
if (mPlayerDelays[player] < delay)
{
mPlayerDelays[player] = delay;
return true;
}
else
{
return false;
}
}
else
{
mPlayerDelays.Add(player, delay);
return true;
}
}
/// <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>
/// Creates a dialog box that allows the user to set the speed of a given
/// player within certain limits.
/// </summary>
/// <param name="player"></param>
internal void SetPlayerSpeed(Player player)
{
using (SpeedDialog dialog = new SpeedDialog(Settings.Default.MinPlayerSpeed,
Settings.Default.MaxPlayerSpeed,
player.MaxSpeed))
{
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
player.MaxSpeed = dialog.GetSpeed();
}
}
}
/// <summary>
/// Called when we want to delete a specific player.
/// </summary>
/// <param name="player"></param>
internal void DeletePlayer(Player player)
{
viewPanel.CurrentFrame.RemovePlayer(player);
viewPanel.Refresh();
ModelChanged();
}
/// <summary>
/// Remove a single player from the frame including anything attached to
/// the player
/// </summary>
/// <param name="player"></param>
public void RemovePlayer(Player player)
{
// If the player being removed was the one with the disc then we need
// to remove the disc movement completely.
//
// If they were the one receiving the disc then we need to reset the
// disc movement.
if (this.DiscFrameMovement.Thrower != null &&
this.DiscFrameMovement.Thrower.Equals(player))
{
DiscFrameMovement = new DiscMovement(this);
}
else if (DiscFrameMovement.ReceivingCut != null &&
DiscFrameMovement.ReceivingCut.Player.Equals(player))
{
DiscFrameMovement.ReceivingCut = null;
DiscFrameMovement.HasMoved = false;
}
// Delete any triggers which reference this player at all
Triggers.RemoveAll(trigger => trigger.AffectedPlayer == player ||
trigger.CausingCutRatio.Player == player);
PlayerMovement.Remove(player);
}
/// <summary>
/// This is a utilty function which generates the list of points that a
/// player passes through on the single frame.
///
/// It includes the padding at the start (as a parameter).
/// </summary>
/// <param name="player"></param>
/// <param name="cycleStart">The number of stationary cycles for this
/// player.</param>
/// <returns>A list of points that the player passes through.</returns>
private List<ItemPlayData> GeneratePlayerPoints(Player player,
int cycleStart)
{
List<ItemPlayData> playerData = new List<ItemPlayData>();
Boolean isFirstCut = true;
PointF startPoint = new PointF();
// If the player has a trigger value stored off from previous
// calculations then this is the number of stationary cycles.
if (mPlayerDelays.ContainsKey(player))
{
cycleStart = mPlayerDelays[player];
}
foreach (LinearMovement cut in mPlayerMovement[player])
{
List<Trigger> applicableTriggers = new List<Trigger>();
List<PointF> playerPoints = new List<PointF>();
// For each cut that we process we need to check if any trigger was
// fired during that cut.
applicableTriggers.AddRange(mTriggers.Where(
trigger => trigger.CausingCutRatio.CausingCut == cut));
// The first cut is actually just a placeholder to indicate where
// the player starts out on the field.
if (isFirstCut)
{
startPoint = cut.FinalPosition;
playerPoints.Add(startPoint);
// Add on the number of cycles for which the player should stay at
// the start location. We add on 1 so that the player spends at LEAST
// one cycle at their start location.
for (int ii = 0; ii < cycleStart + 1; ii++)
{
playerData.Add(new PlayerPlayData(startPoint,
player.PlayerTeam.Sprite,
Settings.Default.PlayerDiameter,
Settings.Default.PlayerDiameter,
player.VisibleID,
player.Name,
player.PlayerTeam));
}
isFirstCut = false;
}
else
{
playerPoints = cut.GeneratePoints(startPoint,
PlayThread.MAX_FRAME_TIME / 4.0,
player.MaxSpeed);
foreach (PointF point in playerPoints)
{
playerData.Add(new PlayerPlayData(point,
player.PlayerTeam.Sprite,
Settings.Default.PlayerDiameter,
Settings.Default.PlayerDiameter,
player.VisibleID,
player.Name,
player.PlayerTeam));
// Compare the point to each of the triggers fired during this cut
// noting that since these are PointFs then a comparison can't be
// absolute.
foreach (Trigger trigger in applicableTriggers)
{
PointF triggerPoint = trigger.CausingCutRatio.GetAbsolutePosition();
if (GeometryUtils.DistBetweenPoints(triggerPoint, point) <
player.MaxSpeed * PlayThread.MAX_FRAME_TIME / 1000.0f)
{
AddUpdateDelay(trigger.AffectedPlayer, playerData.Count);
}
}
}
startPoint = cut.FinalPosition;
}
}
return playerData;
}
/// <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);
}
public Trigger(CutRatio cutRatio, Player affectedPlayer)
{
CausingCutRatio = cutRatio;
AffectedPlayer = affectedPlayer;
UniqueId = NextUniqueId++;
}
/// <summary>
/// Clears the disc of all movement and resets the speed to default.
/// </summary>
internal void Clear()
{
ClearFlightPath();
Thrower = null;
}
/// <summary>
/// Draw a single player onto the given display object. The conversion
/// from pitch to screen coordinates is done internally.
/// </summary>
/// <param name="player"></param>
/// <param name="position"></param>
/// <param name="display"></param>
/// <param name="converter"></param>
/// <param name="isSelected">A selected player shows a slightly different
/// sprite to indicate the selection.</param>
/// <param name="isOutline">Set to true to draw only the outline of the
/// player.</param>
internal void DrawPlayer(Player player,
PointF position,
Graphics display,
PitchScreenCoordConverter converter,
Boolean isOutline)
{
Image playerImage = isOutline ? player.PlayerTeam.OutlineSprite :
player.PlayerTeam.Sprite;
PointF offsetCentre = new PointF(position.X, position.Y);
offsetCentre.X -= Settings.Default.PlayerDiameter / 2.0f;
offsetCentre.Y -= Settings.Default.PlayerDiameter / 2.0f;
DrawSprite(display,
converter,
playerImage,
offsetCentre,
Settings.Default.PlayerDiameter,
Settings.Default.PlayerDiameter);
using (Font font = CreatePlayerIdFont(converter))
{
// Draw the player id as an overlay onto the sprite.
DrawString(display,
converter,
player.VisibleID.ToString(CultureInfo.InvariantCulture),
offsetCentre,
font,
Brushes.White);
}
}
/// <summary>
/// Retrieve the upmost parent of the player in the tree. This relies on
/// each player being triggered by at most one other player.
///
/// The parent of a player is deemed to be the player who triggers the
/// current player.
///
/// The upmost parent is what we get if we continue this processing up the
/// tree until we find a player who has no parent.
/// </summary>
/// <param name="player">The player to search for.</param>
/// <returns>The current playe if no parents.</returns>
private Player GetParent(Player player)
{
Player parent = player;
Boolean isFinished;
do
{
isFinished = true;
foreach (Trigger trigger in mTriggers)
{
if (trigger.AffectedPlayer == parent)
{
parent = trigger.CausingCutRatio.Player;
isFinished = false;
break;
}
}
} while (player != parent && !isFinished);
return parent;
}
/// <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();
}
public PlaceTriggerTool(PictureBox toolPicture, Player player)
: base(toolPicture)
{
mSelectedPlayer = player;
}
private void ProcessPlayer(Player player)
{
// Since we process the players in a tree structure if a player is hit
// more than once then there is a cycle which will not be possible to
// resolve. This should have been prevented at the design level so
// we throw an exception.
if (mProcessedPlayers.Contains(player))
{
throw new CyclicDataModelException(player);
}
int cycleStart = 0;
if (mPlayerDelays.ContainsKey(player))
{
cycleStart = mPlayerDelays[player];
}
mFramePlayData.PlayData.Add(GeneratePlayerPoints(player, cycleStart));
mProcessedPlayers.Add(player);
foreach (Trigger trigger in mTriggers.Where(
trigger => trigger.CausingCutRatio.Player == player))
{
ProcessPlayer(trigger.AffectedPlayer);
}
}
/// <summary>
/// Render a small square for a player. This is used when we're rendering
/// into a small space.
/// </summary>
/// <param name="graphics"></param>
/// <param name="player"></param>
/// <param name="location"></param>
/// <param name="converter"></param>
private void DrawSmallPlayer(Graphics graphics,
Player player,
PointF location,
PitchScreenCoordConverter converter)
{
Point screenCoords = converter.pitchToScreenCoords(location);
Brush playerBrush = player.PlayerTeam.UniqueId ==
Team.RED_TEAM.UniqueId ? Brushes.Red : Brushes.Blue;
graphics.FillRectangle(playerBrush,
screenCoords.X,
screenCoords.Y,
4, 4);
}
/// <summary>
/// Adds the disc to the frame on a given player. Sets all of the receiving
/// elements to null so that the disc does not move even if it wasn't
/// deleted properly previously.
/// </summary>
/// <param name="player"></param>
public void AddDisc(Player player)
{
DiscFrameMovement.Thrower = player;
DiscFrameMovement.ClearFlightPath();
}
public LinearMovement(PointF finalPosition, int speedPercentage, Player player)
{
FinalPosition = finalPosition;
SpeedPercentage = speedPercentage;
Player = player;
}
/// <summary>
/// Adds a single player to the frame and sets the first
/// </summary>
/// <param name="player"></param>
/// <param name="startingPosition"></param>
public void AddPlayer(Player player, PointF startingPosition)
{
PlayerMovement.Add(player, new List<LinearMovement>());
PlayerMovement[player].Add(new LinearMovement(startingPosition,
0,
player));
}
