Add location of cars within the trainset the user is in

Slight tidy up

CommunityMapLocation/Api/Location/CarLocationResponse.cs

@@ -0,0 +1,42 @@
+using DV.OriginShift;
+using UnityEngine;
+
+namespace CommunityMapLocation.Api.Location
+{
+    public class CarLocationResponse
+    {
+        public CarLocationResponse(TrainCar trainCar)
+        {
+            IsLoco = trainCar.IsLoco;
+            Name = trainCar.name;
+            Id = trainCar.ID;
+            CarGuid = trainCar.CarGUID;
+
+            // Probable not needed. Commented to remove additional dll dependency
+            //HandbrakePosition = trainCar.brakeSystem.handbrakePosition;
+
+            // TrainCar.Bounds does not seem to represent the actual bounds of the car.
+            // Approximate the car length as the distance between the couplers
+            Length = (trainCar.FrontCouplerAnchor.AbsolutePosition() - trainCar.RearCouplerAnchor.AbsolutePosition()).magnitude;
+
+            var transform = trainCar.transform.AbsolutePosition();
+            X = transform.x;
+            Y = transform.y;
+            Z = transform.z;
+
+            Rotation = trainCar.transform.rotation.eulerAngles.y * (Mathf.PI / 180);
+        }
+
+        public string Id { get; }
+        public string CarGuid { get; }
+        public string Name { get; }
+        public bool IsLoco { get; }
+        //public float HandbrakePosition { get; }
+
+        public float X { get; }
+        public float Y { get; }
+        public float Z { get; }
+        public float Length { get; }
+        public float Rotation { get; }
+    }
+}