/// <summary>
/// Returns 6 seconds of the ball physics prediction.
/// </summary>
/// <returns>6 seconds of the ball physics prediction.</returns>
public static BallPrediction GetBallPredictionData()
{
ByteBufferStruct byteBuffer = GetBallPrediction();
if (byteBuffer.size < 4)
{
throw new FlatbuffersPacketException("Flatbuffers packet is too small. Match is probably not running!");
}
byte[] bufferBytes = new byte[byteBuffer.size];
Marshal.Copy(byteBuffer.ptr, bufferBytes, 0, byteBuffer.size);
Free(byteBuffer.ptr);
return(BallPrediction.GetRootAsBallPrediction(new ByteBuffer(bufferBytes)));
}
public override Controller GetOutput(GameTickPacket gameTickPacket)
{
// This controller object will be returned at the end of the method.
// This controller will contain all the inputs that we want the bot to perform.
Controller controller = new Controller();
// Wrap gameTickPacket retrieving in a try-catch so that the bot doesn't crash whenever a value isn't present.
// A value may not be present if it was not sent.
// These are nullables so trying to get them when they're null will cause errors, therefore we wrap in try-catch.
try
{
// Store the required data from the gameTickPacket.
Vector3 ballLocation = gameTickPacket.Ball.Value.Physics.Value.Location.Value;
Vector3 carLocation = gameTickPacket.Players(this.Index).Value.Physics.Value.Location.Value;
Rotator carRotation = gameTickPacket.Players(this.Index).Value.Physics.Value.Rotation.Value;
// Calculate to get the angle from the front of the bot's car to the ball.
double botToTargetAngle = Math.Atan2(ballLocation.Y - carLocation.Y, ballLocation.X - carLocation.X);
double botFrontToTargetAngle = botToTargetAngle - carRotation.Yaw;
// Correct the angle
if (botFrontToTargetAngle < -Math.PI)
{
botFrontToTargetAngle += 2 * Math.PI;
}
if (botFrontToTargetAngle > Math.PI)
{
botFrontToTargetAngle -= 2 * Math.PI;
}
// Decide which way to steer in order to get to the ball.
if (botFrontToTargetAngle > 0)
{
controller.Steer = 1;
}
else
{
controller.Steer = -1;
}
Renderer.DrawLine3D(Color.FromArgb(255, 255, 0), ballLocation, carLocation);
// Get the ball prediction data.
BallPrediction prediction = GetBallPrediction();
// Loop through every 10th point so we don't render too many lines.
for (int i = 10; i < prediction.SlicesLength; i += 10)
{
Vector3 pointA = prediction.Slices(i - 10).Value.Physics.Value.Location.Value;
Vector3 pointB = prediction.Slices(i).Value.Physics.Value.Location.Value;
Renderer.DrawLine3D(Color.FromArgb(255, 0, 255), pointA, pointB);
}
// Test out setting game state
GameState gameState = new GameState();
// Make the ball hover in midair
gameState.BallState.PhysicsState = new PhysicsState(location: new DesiredVector3(z: 300), velocity: new DesiredVector3(z: 10));
// If the ball stops moving, fling the car at it
Vector3 ballVelocity = gameTickPacket.Ball.Value.Physics.Value.Velocity.Value;
if (ballVelocity.X * ballVelocity.X + ballVelocity.Y * ballVelocity.Y < 100000 && carLocation.Z < 100)
{
PhysicsState carPhysicsState = gameState.GetCarState(Index).PhysicsState;
carPhysicsState.Location = new DesiredVector3(ballLocation.X - 300, ballLocation.Y, 400);
carPhysicsState.Velocity = new DesiredVector3(500, 0, 0);
if (gameTickPacket.Ball?.LatestTouch?.PlayerIndex is int playerIndex)
{
Console.WriteLine("Latest touch by " + playerIndex);
}
MatchSettings matchSettings = GetMatchSettings();
Console.WriteLine("Map: " + matchSettings.GameMap);
}
SetGameState(gameState);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
// Set the throttle to 1 so the bot can move.
controller.Throttle = 1;
controller.UseItem = controller.Steer > 0; // Spam items
return(controller);
}
public override Controller GetOutput(GameTickPacket gameTickPacket)
{
// This controller object will be returned at the end of the method.
// This controller will contain all the inputs that we want the bot to perform.
Controller controller = new Controller();
// Wrap gameTickPacket retrieving in a try-catch so that the bot doesn't crash whenever a value isn't present.
// A value may not be present if it was not sent.
// These are nullables so trying to get them when they're null will cause errors, therefore we wrap in try-catch.
try
{
// Store the required data from the gameTickPacket.
Vector3 ballLocation = gameTickPacket.Ball.Value.Physics.Value.Location.Value;
Vector3 carLocation = gameTickPacket.Players(this.index).Value.Physics.Value.Location.Value;
Rotator carRotation = gameTickPacket.Players(this.index).Value.Physics.Value.Rotation.Value;
// Calculate to get the angle from the front of the bot's car to the ball.
double botToTargetAngle = Math.Atan2(ballLocation.Y - carLocation.Y, ballLocation.X - carLocation.X);
double botFrontToTargetAngle = botToTargetAngle - carRotation.Yaw;
// Correct the angle
if (botFrontToTargetAngle < -Math.PI)
{
botFrontToTargetAngle += 2 * Math.PI;
}
if (botFrontToTargetAngle > Math.PI)
{
botFrontToTargetAngle -= 2 * Math.PI;
}
// Decide which way to steer in order to get to the ball.
if (botFrontToTargetAngle > 0)
{
controller.Steer = 1;
}
else
{
controller.Steer = -1;
}
Renderer.DrawLine3D(Color.FromRgb(255, 255, 0), ballLocation, carLocation);
// Get the ball prediction data.
BallPrediction prediction = GetBallPrediction();
// Loop through every 10th point so we don't render too many lines.
for (int i = 10; i < prediction.SlicesLength; i += 10)
{
Vector3 pointA = prediction.Slices(i - 10).Value.Physics.Value.Location.Value;
Vector3 pointB = prediction.Slices(i).Value.Physics.Value.Location.Value;
Renderer.DrawLine3D(Color.FromRgb(255, 0, 255), pointA, pointB);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
// Set the throttle to 1 so the bot can move.
controller.Throttle = 1;
return(controller);
}
