/// <summary>
/// This method is invoked when the DrawingPanel is invalidated and needs to be redrawn
/// </summary>
/// <param name="e">Graphics for drawing objects</param>
protected override void OnPaint(PaintEventArgs e)
{
//If the walls aren't imported, it shouldn't try to draw anything so it just returns
if (!TheController.wallsDone)
{
return;
}
//Store the player tank location
double playerX = TheController.GetPlayerTank().Location.GetX();
double playerY = TheController.GetPlayerTank().Location.GetY();
//Calculate view/world size ratio
double ratio = (double)Constants.ViewSize / (double)TheController.TheWorld.worldSize;
int halfSizeScaled = (int)(TheController.TheWorld.worldSize / 2.0 * ratio);
//Amount to translate the x and y coordinates
double inverseTranslateX = -WorldSpaceToImageSpace(TheController.TheWorld.worldSize, playerX) + halfSizeScaled;
double inverseTranslateY = -WorldSpaceToImageSpace(TheController.TheWorld.worldSize, playerY) + halfSizeScaled;
//Translates the image and draws it
e.Graphics.TranslateTransform((float)inverseTranslateX, (float)inverseTranslateY);
e.Graphics.DrawImage(background, 0, 0, TheController.TheWorld.worldSize, TheController.TheWorld.worldSize);
lock (TheController.TheWorld)
{
// Draw the walls
foreach (Wall wall in TheController.TheWorld.Walls.Values)
{
int Width = (int)Math.Abs(wall.EndPoint1.GetX() - wall.EndPoint2.GetX());
int Height = (int)Math.Abs(wall.EndPoint1.GetY() - wall.EndPoint2.GetY());
int MinX = (int)Math.Min(wall.EndPoint1.GetX(), wall.EndPoint2.GetX()) - Constants.WallSize / 2;
int MinY = (int)Math.Min(wall.EndPoint1.GetY(), wall.EndPoint2.GetY()) - Constants.WallSize / 2;
//Call DrawObjectWithTransform on each individual portion of the wall
for (int i = 0; i <= Width; i += Constants.WallSize)
{
for (int j = 0; j <= Height; j += Constants.WallSize)
{
DrawObjectWithTransform(e, wall, TheController.TheWorld.worldSize, MinX + i, MinY + j, 0, WallDrawer);
}
}
}
// Draw the players
foreach (Tank tank in TheController.TheWorld.Tanks.Values)
{
tank.Orientation.Normalize();
tank.Aiming.Normalize();
DrawObjectWithTransform(e, tank, TheController.TheWorld.worldSize, tank.Location.GetX(), tank.Location.GetY(), tank.Orientation.ToAngle(),
TankDrawer);
DrawObjectWithTransform(e, tank, TheController.TheWorld.worldSize, tank.Location.GetX(), tank.Location.GetY(), tank.Aiming.ToAngle(),
TurretDrawer);
DrawObjectWithTransform(e, tank, TheController.TheWorld.worldSize, tank.Location.GetX(), tank.Location.GetY(), 0,
NameDrawer);
DrawObjectWithTransform(e, tank, TheController.TheWorld.worldSize, tank.Location.GetX(), tank.Location.GetY(), 0,
HealthDrawer);
}
// Draw the powerups
foreach (PowerUp pow in TheController.TheWorld.PowerUps.Values)
{
DrawObjectWithTransform(e, pow, TheController.TheWorld.worldSize, pow.Location.GetX(), pow.Location.GetY(), 0, PowerUpDrawer);
}
// Draw the beams
foreach (Beam beam in TheController.TheWorld.Beams.Values)
{
DrawObjectWithTransform(e, beam, TheController.TheWorld.worldSize, beam.Origin.GetX(), beam.Origin.GetY(), beam.Orientation.ToAngle(), BeamDrawer);
}
// Draw the projectiles
foreach (Projectile proj in TheController.TheWorld.Projectiles.Values)
{
proj.Orientation.Normalize();
DrawObjectWithTransform(e, proj, TheController.TheWorld.worldSize, proj.Location.GetX(), proj.Location.GetY(), proj.Orientation.ToAngle(), ProjectileDrawer);
}
// If the there are any beams that have been out for too long it removes them
if (TheController.TheWorld.Beams.Count != 0)
{
foreach (Beam b in TheController.TheWorld.Beams.Values.ToList())
{
if (b.beamFrames == Constants.BeamFrameLength)
{
TheController.TheWorld.Beams.Remove(b.ID);
}
}
}
}
// Do anything that Panel (from which we inherit) needs to do
base.OnPaint(e);
}