/// <summary>
/// Handler for the controller's WorldLoaded event. Sets this form and drawingPanel's world to the loaded world
/// Also enables KeyPreview
/// </summary>
private void SetWorld()
{
world = controller.GetWorld();
drawingPanel.SetWorld(controller.GetWorld());
// Enable the global form to capture key presses
KeyPreview = true;
}
/// <summary>
/// Once network sends player ID, we send this to the drawing panel
/// This allows us to know which area to center the view on
/// </summary>
/// <param name="info"></param>
private void InitializeWithID(int info)
{
//Set up Drawing Panel with the created world and player ID
panel.SetWorld(theController.GetWorld());
panel.SetPlayerId(info);
theWorld = theController.GetWorld();
//Set boolean to true so that other events are activated
worldExists = true;
}
public Form1(GameController ctl)
{
//Set up the general handlers and variables of the form
InitializeComponent();
theController = ctl;
theWorld = theController.GetWorld();
theController.UpdateWorld += OnFrame;
// Set up the form.
panel = new DrawingPanel(theWorld);
panel.Location = new Point(0, menuSize);
panel.Size = new Size(viewSize, viewSize);
this.Controls.Add(panel);
// Set the window size
ClientSize = new Size(viewSize, viewSize + menuSize);
//Save our boxes to variables
IPName = hostText;
playerName = playerText;
// Set up key and mouse handlers
this.KeyDown += HandleKeyDown;
this.KeyUp += HandleKeyUp;
//Allow enter button to connect to server
AcceptButton = connectButton;
//Set up handlers for controls
panel.MouseMove += OnMouseMove;
panel.MouseClick += HandleMouseClick;
theController.PlayerIDGiven += InitializeWithID;
theController.Error += DisplayErrorMessage;
}
/// <summary>
/// Subscribes to the events and initializes the variables needed in the constructor
/// </summary>
public TankWarsView(GameController ctl)
{
InitializeComponent();
controller = ctl;
FormClosed += OnExit;
world = controller.GetWorld();
controller.UpdateArrived += OnFrame;
controller.Error += ShowError;
controller.Connected += HandleConnected;
ClientSize = new Size(viewSize, viewSize + menuSize);
drawingPanel = new DrawingPanel(world, controller);
drawingPanel.Location = new Point(0, menuSize);
drawingPanel.Size = new Size(viewSize, viewSize);
drawingPanel.MouseDown += HandleMouseDown;
drawingPanel.MouseUp += HandleMouseUp;
drawingPanel.MouseMove += HandleMouseMovement;
Controls.Add(drawingPanel);
this.KeyDown += HandleKeyDown;
this.KeyUp += HandleKeyUp;
}
public Form1(GameController ctl)
{
InitializeComponent();
theController = ctl;
theWorld = theController.GetWorld();
theController.RegisterServerUpdateHandler(OnFrame); //Register OnFrame as the controller event handler
theController.RegisterConnectionErrorHandler(UnlockMenuBar); //Register UnlockMenuBar as the controller event handler
ClientSize = new Size(Constant.ClientSize, Constant.ClientSize + 35);
drawingPanel = new DrawingPanel(theWorld);
drawingPanel.Location = new Point(0, 35);
drawingPanel.Size = new Size(Constant.ViewSize, Constant.ViewSize);
drawingPanel.BackColor = Color.Black;
this.Controls.Add(drawingPanel);
// Set KeyPreview object to true to allow the form to process
// the key before the control with focus processes it.
this.KeyPreview = true;
this.KeyDown += new KeyEventHandler(Form1_KeyDown);
this.KeyUp += new KeyEventHandler(Form1_KeyUp);
drawingPanel.MouseMove += new MouseEventHandler(Form1_MouseMove);
drawingPanel.MouseDown += new MouseEventHandler(Form1_MouseDown);
drawingPanel.MouseUp += new MouseEventHandler(Form1_MouseUp);
FormClosed += OnExit;
}
/// <summary>
/// Handler for the controllers UpdateArrived event that essentially draws everything each frame
/// </summary>
private void OnFrame()
{
try
{
//Sets the world to the controller's world
world = controller.GetWorld();
//Passes this world into the drawing panel, so that the MethodInvoker calls OnPaint to redraw on each frame in the form
MethodInvoker invoker = new MethodInvoker(() => this.Invalidate(true));
this.Invoke(invoker);
}
//Catches an ObjectDisposedException and calls the Close method in the controller class
catch (ObjectDisposedException e)
{
controller.Close();
}
}
/// <summary>
/// Constructor for the View.
/// </summary>
/// <param name="ctl"></param>
public GameView(GameController ctl)
{
// Initalize
InitializeComponent();
FormClosed += OnExit;
theController = ctl;
theWorld = theController.GetWorld();
HelpPanel.Hide();
// Register handlers for the controller's events
theController.Error += ShowError;
theController.UpdateArrived += OnFrame;
theController.Connected += HandleConnected;
// Set up key handlers
this.KeyDown += HandleKeyDown;
this.KeyUp += HandleKeyUp;
}
/// <summary>
/// This method is invoked when the DrawingPanel needs to be re-drawn
/// </summary>
protected override void OnPaint(PaintEventArgs e)
{
//Gets the world based on the world of the controller
world = controller.GetWorld();
//Gets the playerNum based on the controller's player number
playerNum = controller.GetPlayerNum();
//Only attempts to draw if the world contains the tanks
if (world.GetTanks().Count > 0)
{
//Locks the thread with the world as the key to draw everything in one thread to avoid changes while drawing
lock (world)
{
//Locks the player's view in the center based on ther user's controlled tank, if the tank is not dead
if (world.GetTanks().TryGetValue(playerNum, out Tank tank) && !tank.GetDead())
{
//Sets the player's X and Y coordinate
playerX = tank.GetLocation().GetX();
playerY = tank.GetLocation().GetY();
//Centers the player's view
double ratio = (double)viewSize / (double)world.Size;
int halfSizeScaled = (int)(world.Size / 2.0 * ratio);
double inverseTranslateX = -WorldSpaceToImageSpace(world.Size, playerX) + halfSizeScaled;
double inverseTranslateY = -WorldSpaceToImageSpace(world.Size, playerY) + halfSizeScaled;
e.Graphics.TranslateTransform((float)inverseTranslateX, (float)inverseTranslateY);
}
else
{
//If the tank is not dead, then it sets the location as the last place of death of the tank and center's the player's view
double ratio = (double)viewSize / (double)world.Size;
int halfSizeScaled = (int)(world.Size / 2.0 * ratio);
double inverseTranslateX = -WorldSpaceToImageSpace(world.Size, playerX) + halfSizeScaled;
double inverseTranslateY = -WorldSpaceToImageSpace(world.Size, playerY) + halfSizeScaled;
e.Graphics.TranslateTransform((float)inverseTranslateX, (float)inverseTranslateY);
}
//Doesn't draw anything if the world size is less than equal to 0
if (world.Size <= 0)
{
return;
}
//Draws the background
DrawObjectWithTransform(e, null, world.Size, 0, 0, 0, BackgroundDrawer);
//Draws all the walls in the world
foreach (Wall w in world.GetWalls().Values.ToList())
{
for (double i = w.GetStartingPoint().GetX(); i <= w.GetEndingPoint().GetX(); i = i + 50)
{
for (double j = w.GetStartingPoint().GetY(); j <= w.GetEndingPoint().GetY(); j = j + 50)
{
//Draws all the walls in the condition that the starting point is smaller than ending points of the walls
DrawObjectWithTransform(e, w, world.Size, i, j, 0, WallDrawer);
}
}
for (double i = w.GetEndingPoint().GetX(); i <= w.GetStartingPoint().GetX(); i = i + 50)
{
for (double j = w.GetEndingPoint().GetY(); j <= w.GetStartingPoint().GetY(); j = j + 50)
{
//Draws all the walls in the condition that the starting point is greater than ending points of the walls
DrawObjectWithTransform(e, w, world.Size, i, j, 0, WallDrawer);
}
}
}
//Draws all the powerups
foreach (Powerups p in world.GetPowerups().Values)
{
//Draws the outside and inside circle for the powerups
DrawObjectWithTransform(e, p, world.Size, p.GetLocation().GetX(), p.GetLocation().GetY(), 0, PowerupDrawer);
DrawObjectWithTransform(e, p, world.Size, p.GetLocation().GetX(), p.GetLocation().GetY(), 0, PowerupDrawerInsideCircle);
}
//Draws all the tanks in the world
foreach (Tank t in world.GetTanks().Values)
{
//Draws the tank
DrawObjectWithTransform(e, t, world.Size, t.GetLocation().GetX(), t.GetLocation().GetY(), t.GetOrientation().ToAngle(), TankDrawer);
//Draws the turret
DrawObjectWithTransform(e, t, world.Size, t.GetLocation().GetX(), t.GetLocation().GetY(), t.GetAiming().ToAngle(), TurretDrawer);
//Draws the name
DrawObjectWithTransform(e, t, world.Size, t.GetLocation().GetX(), t.GetLocation().GetY() + 60, 0, NameDrawer);
//Draws the health
DrawObjectWithTransform(e, t, world.Size, t.GetLocation().GetX(), t.GetLocation().GetY() - 40, 0, HealthDrawer);
}
//Draws all the projectiles in the world
foreach (Projectile p in world.GetProjectile().Values.ToList())
{
//Draws the projectile
DrawObjectWithTransform(e, p, world.Size, p.GetLocation().GetX(), p.GetLocation().GetY(), p.GetOrientation().ToAngle(), ProjectileDrawer);
}
//Draws all the beams in the world
foreach (Beams b in world.GetBeams().Values.ToList())
{
//Draws the beams
DrawObjectWithTransform(e, b, world.Size, b.GetOrigin().GetX(), b.GetOrigin().GetY(), b.GetDirection().ToAngle(), BeamDrawer);
//Removes the beams after 20 iterations
beamFrameCount++;
if (beamFrameCount == 20)
{
world.GetBeams().Remove(b.GetBeamID());
beamFrameCount = 0;
}
}
}
}
//Calls the base
base.OnPaint(e);
}
/// <summary>
/// Main form application. Sets controller, world, and clientsize. Then adds events for controller and finally adds form components
/// </summary>
public Form1(GameController controller)
{
//Initialize and set controller to parameter and world to controller's world
InitializeComponent();
this.controller = controller;
this.world = controller.GetWorld();
//Sets clientsize for form
ClientSize = new Size(viewSize, viewSize + menuSize);
//Adds listeners to events for controller-view handshake
controller.OnUpdate += OnFrame;
controller.IDLoaded += SetID;
controller.WorldLoaded += SetWorld;
// Place and add the start button
startButton = new Button();
startButton.Location = new Point(245, 5);
startButton.Size = new Size(70, 20);
startButton.Text = "Start";
startButton.Click += StartClick;
this.Controls.Add(startButton);
// Place and add the name label
nameLabel = new Label();
nameLabel.Text = "Name:";
nameLabel.Location = new Point(5, 10);
nameLabel.Size = new Size(40, 15);
this.Controls.Add(nameLabel);
// Place and add the name textbox
nameText = new TextBox();
nameText.Text = "player";
nameText.MaxLength = 16;
nameText.Location = new Point(50, 5);
nameText.Size = new Size(70, 15);
this.Controls.Add(nameText);
// Place and add the host label
hostLabel = new Label();
hostLabel.Text = "Host:";
hostLabel.Location = new Point(125, 10);
hostLabel.Size = new Size(40, 15);
this.Controls.Add(hostLabel);
// Place and add the host textbox
hostText = new TextBox();
hostText.Text = "";
hostText.Location = new Point(165, 5);
hostText.Size = new Size(70, 15);
this.Controls.Add(hostText);
// Place and add the drawing panel with event when beam gets fired
drawingPanel = new DrawingPanel(world);
drawingPanel.Location = new Point(0, menuSize);
drawingPanel.Size = new Size(viewSize, viewSize);
drawingPanel.SetViewSize(viewSize);
this.Controls.Add(drawingPanel);
controller.BeamFired += drawingPanel.DrawBeam;
//Set up control events for keys and mouse inputs
this.KeyDown += Moved;
drawingPanel.MouseDown += Shoot;
drawingPanel.MouseUp += StopShoot;
drawingPanel.MouseMove += Aim;
this.KeyUp += StopMove;
}
