Evil Racoon Man 2 Electric Boogaloo
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TheRealGrayden
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package frc.robot.commands;
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import java.util.Arrays;
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import java.util.List;
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import org.fairportrobotics.frc.robolib.vision.limelight.LimelightHelpers;
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import org.littletonrobotics.junction.Logger;
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import edu.wpi.first.apriltag.AprilTagFieldLayout;
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import edu.wpi.first.apriltag.AprilTagFields;
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import edu.wpi.first.math.controller.PIDController;
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import edu.wpi.first.math.geometry.Pose3d;
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import edu.wpi.first.math.geometry.Rotation2d;
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import edu.wpi.first.math.geometry.Translation2d;
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import edu.wpi.first.wpilibj.DriverStation;
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import edu.wpi.first.wpilibj.DriverStation.Alliance;
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import edu.wpi.first.wpilibj2.command.Command;
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import frc.robot.Constants;
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import frc.robot.Utils;
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import frc.robot.subsystems.DriveSubsystem;
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import frc.robot.subsystems.HopperSubsystem;
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import frc.robot.subsystems.TurretSubsystem;
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public class AnyTarget extends Command {
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// For Chassis Control
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private DriveSubsystem driveSubsystem;
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private HopperSubsystem hopperSubsystem;
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private TurretSubsystem turretSubsystem;
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private PIDController cameraAutoCenterController;
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private PIDController deadreckoningAutoCenterController;
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private int[] tagFilters;
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private AprilTagFieldLayout fieldTags = AprilTagFieldLayout.loadField(AprilTagFields.k2026RebuiltWelded);
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private Pose3d closestTag;
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private final double chassisRotateSpeed = Math.PI * 0.1;
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public AnyTarget(DriveSubsystem driveSubsystem, HopperSubsystem hopperSubsystem, TurretSubsystem turretSubsystem) {
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this.driveSubsystem = driveSubsystem;
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this.hopperSubsystem = hopperSubsystem;
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this.turretSubsystem = turretSubsystem;
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this.addRequirements(driveSubsystem, hopperSubsystem, turretSubsystem);
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cameraAutoCenterController = new PIDController(0.15, 0.0, 0.0);
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cameraAutoCenterController.setTolerance(0.2); // Units degrees
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cameraAutoCenterController.setSetpoint(0);
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deadreckoningAutoCenterController = new PIDController(Math.PI * 0.1, 0, 0.0);
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deadreckoningAutoCenterController.setTolerance(0.2); // Units is rotations
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deadreckoningAutoCenterController.enableContinuousInput(-Math.PI, Math.PI);
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}
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@Override
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public void initialize() {
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DriverStation.getAlliance().ifPresent((aliance) -> {
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if (aliance == Alliance.Blue) {
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tagFilters = Constants.CameraConstanst.IDFilters.BLUE_HUB_SHOOTING_IDS;
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} else {
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tagFilters = Constants.CameraConstanst.IDFilters.RED_HUB_SHOOTING_IDS;
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}
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});
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turretSubsystem.setLauncher(6000);
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turretSubsystem.setTargetElevation(Constants.ShooterConstants.DEFLECTOR_STORED_ANGLE);
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hopperSubsystem.spindexerOn();
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cameraAutoCenterController.calculate(-100);
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// Change to HUB tracking pipeline
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LimelightHelpers.setPipelineIndex(Constants.CameraConstanst.BACK_CAMERA_NAME, Constants.CameraConstanst.BACK_HUB_TRACKING_3D_PIPELINE_NUMBER);
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LimelightHelpers.SetFiducialIDFiltersOverride(Constants.CameraConstanst.BACK_CAMERA_NAME, tagFilters);
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Pose3d botPose = driveSubsystem.getBotPose();
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// Find closest target to us
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List<Pose3d> tagPoses = Arrays.stream(tagFilters).mapToObj(tagId -> fieldTags.getTagPose(tagId).get()).toList();
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closestTag = botPose.nearest(tagPoses);
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Logger.recordOutput("AutoAlign-ClosestAprilTagPose", closestTag);
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Translation2d delta = botPose.getTranslation().toTranslation2d().minus(closestTag.getTranslation().toTranslation2d());
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Logger.recordOutput("AutoAlign-ClosestAprilTagTransform", delta);
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deadreckoningAutoCenterController.setSetpoint(delta.getAngle().plus(Rotation2d.kZero).getRadians());
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}
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@Override
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public void execute() {
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// Need to compute shoot speed and angle
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Logger.recordOutput("AutoAlign-CenteringError", cameraAutoCenterController.getError());
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// No april tag in camera view. Rotate towards our theoretical closest tag
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if (!LimelightHelpers.getTV(Constants.CameraConstanst.BACK_CAMERA_NAME)) {
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Logger.recordOutput("AutoAlignState-Tracking", "Deadreckoning");
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Pose3d botPose = driveSubsystem.getBotPose();
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//driveSubsystem.rotateChassis(-deadreckoningAutoCenterController.calculate(botPose.getRotation().toRotation2d().getRadians()));
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} else // We have an april tag, center it to the camera frame
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{
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Logger.recordOutput("AutoAlignState-Tracking", "Camera");
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// [tx, ty, tz, pitch, yaw, roll]
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double[] targetsPose = LimelightHelpers.getTargetPose_CameraSpace(Constants.CameraConstanst.BACK_CAMERA_NAME);
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if (targetsPose.length >= 1) {
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Logger.recordOutput("AutoAlign-Target Distance", targetsPose[2]);
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// Calculate turret Angle
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double turretAngle = Utils.calculateTurretAngleFromCameraTagDistance(targetsPose[2]) * Constants.ShooterConstants.TURRET_GEAR_RATIO;
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turretSubsystem.setTurretMotorRotation(-turretAngle);
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driveSubsystem.rotateChassis(-cameraAutoCenterController.calculate(targetsPose[0])); // This may need to be negated
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}
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}
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// If robot is centered on HUB and shooter is up to speed. Run the kicker
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if (turretSubsystem.isLauncherUpToSpeed() && cameraAutoCenterController.atSetpoint()) {
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Logger.recordOutput("AutoAlignState-Shoot", "FIRE!");
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hopperSubsystem.feedKicker();
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} else {
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Logger.recordOutput("AutoAlignState-Shoot", "Waiting");
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}
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}
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@Override
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public boolean isFinished() {
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return false;
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}
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@Override
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public void end(boolean interrupted) {
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turretSubsystem.setLauncher(0);
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hopperSubsystem.stopKicker();
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hopperSubsystem.spindexerOff();
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driveSubsystem.stopDrive();
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LimelightHelpers.setPipelineIndex(Constants.CameraConstanst.BACK_CAMERA_NAME, Constants.CameraConstanst.BACK_LOCALIZATION_PIPELINE_NUMBER);
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}
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}
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