Car-Simulation/Car simulation/Core/Models/Car.cs

using Car_simulation.Core.Components;
using Car_simulation.Core.Physics;
using Car_simulation.Audio;

namespace Car_simulation.Core.Models
{
    public class Car
    {
        // Basic properties
        public Vector2 Position = new Vector2(0, 0);
        public float Mass { get; set; } = 2000f;

        // Inputs
        public float ThrottleInput = 0f;
        public float BrakeInput = 0f;
        public float ClutchInput = 1f;
        public bool ForceClutch = false;
        public float SteeringInput = 0f;

        // Components
        public Engine Engine { get; private set; }
        public Drivetrain Drivetrain { get; private set; }
        public WheelSystem WheelSystem { get; private set; }
        public BrakeSystem BrakeSystem { get; private set; }
        public Aerodynamics Aerodynamics { get; private set; }

        // Derived properties
        public Vector2 Velocity => new Vector2(WheelSystem.CarSpeed, 0);
        public float Speed => WheelSystem.CarSpeed;

        // Audio
        private EngineSound _engineSound;
        private bool _audioEnabled = true;

        public Car()
        {
            InitializeComponents();
            InitializeAudio();
        }

        private void InitializeComponents()
        {
            Engine = new Engine();
            WheelSystem = new WheelSystem();
            WheelSystem.CarMass = Mass;
            WheelSystem.WheelCount = 4;
            WheelSystem.DrivenWheels = 2;

            Drivetrain = new Drivetrain(Engine, WheelSystem);
            BrakeSystem = new BrakeSystem(WheelSystem);
            Aerodynamics = new Aerodynamics();
        }

        private void InitializeAudio()
        {
            try
            {
                _engineSound = new EngineSound();
                _engineSound.SetEngineState(Engine.IdleRPM, 0f);
                _engineSound.StartSound();
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Audio initialization failed: {ex.Message}");
                _audioEnabled = false;
            }
        }

        public List<string> GetDisplayData()
        {
            return new List<string>
            {
                $"Engine Energy: {Engine.FlywheelEnergy,7:F0} J",
                $"Engine Torque: {Engine.GetTorqueOutput(),7:F0} Nm",
                $"Engine RPM: {Engine.RPM,7:F0}",
                $"Total Energy: {WheelSystem.TotalEnergy,7:F0} J",
                $"  (Wheel Rot: {WheelSystem.GetRotationalEnergy(),7:F0} J)",
                $"  (Car Trans: {WheelSystem.GetTranslationalEnergy(),7:F0} J)",
                $"Wheel RPM: {WheelSystem.RPM,7:F0}",
                $"Vehicle: {Speed * 3.6f,7:F1} km/h",
                $"Throttle: {Engine.GetActualThrottle() * 100,6:F1}%",
                $"Power: {Engine.CurrentPower / 1000,6:F1} kW",
                $"Transmitted: {Drivetrain.TransmittedPower / 1000,6:F1} kW",
                $"Brake: {BrakeInput * 100,6:F1}%",
                $"Speed Diff: {Drivetrain.GetSpeedDifferenceRPM(),6:F0} RPM",
                $"Clutch: {ClutchInput * 100,6:F1}% disengaged",
                $"Clutch T: {Drivetrain.ClutchTorque,6:F0} Nm",
                $"Clutch Slip: {Drivetrain.GetClutchSlipPercent(),6:F1}%",
                $"Resistance: {CalculateTotalResistanceForce(),6:F1} N",
                $"Drag: {CalculateDragForce(),6:F1} N",
                $"Rolling: {CalculateRollingResistanceForce(),6:F1} N",
                $"Gear: {Drivetrain.GetCurrentGearName(),3} (Ratio: {Drivetrain.GearRatio:F2}:1)"
            };
        }

        public void Update(float deltaTime, float totalTime)
        {
            // Update inputs
            Engine.Throttle = ThrottleInput;
            Drivetrain.ClutchEngagement = 1f - ClutchInput;
            BrakeSystem.BrakeInput = BrakeInput;

            if (ForceClutch)
                Drivetrain.ClutchEngagement = 0f;

            // Update components
            Engine.UpdateWithTime(deltaTime, totalTime);
            Drivetrain.Update(deltaTime);

            // Apply resistance
            float resistanceForce = CalculateTotalResistanceForce();
            WheelSystem.ApplyResistance(resistanceForce * WheelSystem.Radius, deltaTime);

            // Apply braking
            BrakeSystem.Update(deltaTime);

            // Update position
            Position += Velocity * deltaTime;

            // Update audio
            if (_audioEnabled)
                UpdateAudio();
        }

        private void UpdateAudio()
        {
            try
            {
                float throttle = Engine.GetActualThrottle();
                _engineSound.SetEngineState(Engine.RPM, throttle);
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Audio update error: {ex.Message}");
            }
        }

        public float CalculateTotalResistanceForce()
        {
            return Aerodynamics.CalculateTotalResistanceForce(Speed, Mass);
        }

        public float CalculateDragForce()
        {
            return Aerodynamics.CalculateDragForce(Speed);
        }

        public float CalculateRollingResistanceForce()
        {
            return Aerodynamics.CalculateRollingResistanceForce(Mass);
        }
    }
}