/// <summary>
/// Handler for the controller's IDLoaded event. Call's drawingPanel's SetID so we know where to center camera
/// </summary>
private void SetID()
{
drawingPanel.SetID(controller.GetPlayerID());
}
/// <summary>
/// This method is invoked when the DrawingPanel needs to be re-drawn
/// When first centering our view, a try catch is used to skip the first time Onpaint is invoked.
/// </summary>
protected override void OnPaint(PaintEventArgs e)
{
// Stopwatch for calculating FPS
sw.Start();
lock (theWorld)
{
// Centering View (provided code)
try
{
double playerX = theWorld.Tanks[theController.GetPlayerID()].location.GetX();
double playerY = theWorld.Tanks[theController.GetPlayerID()].location.GetY();
// calculate view/world size ratio
double ratio = (double)900 / (double)theWorld.size;
int halfSizeScaled = (int)(theWorld.size / 2.0 * ratio);
double inverseTranslateX = -WorldSpaceToImageSpace(theWorld.size, playerX) + halfSizeScaled;
double inverseTranslateY = -WorldSpaceToImageSpace(theWorld.size, playerY) + halfSizeScaled;
e.Graphics.TranslateTransform((float)inverseTranslateX, (float)inverseTranslateY);
}
catch { } // Do nothing
// Draw background
Image backGround = GetSprite("Background.png");
Rectangle size = new Rectangle(0, 0, theWorld.size, theWorld.size);
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
e.Graphics.DrawImage(backGround, size);
}
// Drawing the walls
lock (theWorld.Walls)
{
foreach (Wall wall in theWorld.Walls.Values)
{
// The points of the walls
double p1x = wall.GetP1().GetX();
double p1y = wall.GetP1().GetY();
double p2x = wall.GetP2().GetX();
double p2y = wall.GetP2().GetY();
DrawUntilEndPoint(e, wall, p1x, p1y, p2x, p2y);
}
}
// Tanks
lock (theWorld.Tanks)
{
// Draw the players
foreach (Tank tank in theWorld.Tanks.Values.ToList())
{
// Draw only if alive, Server will send the tank JSON with full health when it respawns.
if (tank.hitPoints != 0)
{
// Tank body
DrawObjectWithTransform(e, tank, theWorld.size, tank.location.GetX(), tank.location.GetY(), tank.orientation.ToAngle(), TankDrawer);
// Turret
DrawObjectWithTransform(e, tank, theWorld.size, tank.location.GetX(), tank.location.GetY(), tank.GetAiming().ToAngle(), TurretDrawer);
// Name and Score
DrawObjectWithTransform(e, tank, theWorld.size, tank.location.GetX(), tank.location.GetY(), tank.orientation.ToAngle(), StringDrawer);
// HP bar
DrawObjectWithTransform(e, tank, theWorld.size, tank.location.GetX(), tank.location.GetY(), tank.orientation.ToAngle(), HPDrawer);
// Draw FPS
if (tank.ID == theController.GetPlayerID() && theController.showFPS)
{
DrawObjectWithTransform(e, tank, theWorld.size, tank.location.GetX() - 420, tank.location.GetY() - 410, 0, FPSDrawer);
}
}
else if (tank.hitPoints == 0)
{
DrawObjectWithTransform(e, tank, theWorld.size, tank.location.GetX(), tank.location.GetY(), tank.orientation.ToAngle(), DeathDrawer);
}
}
}
// Load the power-ups
lock (theWorld.PowerUps)
{
// Draw the powerups
foreach (PowerUp pow in theWorld.PowerUps.Values.ToList())
{
if (!pow.died)
{
DrawObjectWithTransform(e, pow, theWorld.size, pow.location.GetX(), pow.location.GetY(), 0, PowerupDrawer);
}
}
}
// Loading the Projectiles
lock (theWorld.Projectiles)
{
foreach (Projectile proj in theWorld.Projectiles.Values.ToList())
{
if (!proj.died)
{
DrawObjectWithTransform(e, proj, theWorld.size, proj.location.GetX(), proj.location.GetY(), proj.orientation.ToAngle() - 90, ProjectileDrawer);
}
}
}
// Load Beams
lock (theWorld.Beams)
{
foreach (Beam b in theWorld.Beams.Values.ToList())
{
DrawObjectWithTransform(e, b, theWorld.size, b.origin.GetX(), b.origin.GetY(), b.direction.ToAngle() - 45, BeamDrawer);
FPSCount += FPS;
}
// Clearing the Beams after a certain amount of frames
if (FPSCount >= 1200)
{
theWorld.Beams.Clear();
FPSCount = 0;
}
}
// Do anything that Panel (from which we inherit) needs to do
base.OnPaint(e);
// Calculate FPS with the send rate
double sendRate = sw.ElapsedMilliseconds;
FPS = Math.Ceiling(1000 / sendRate);
sw.Restart();
}