moving some things around and code cleanup

Source/MonoGame.Extended.Tiled/TiledMapObject.cs

@@ -0,0 +1,39 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
+
+namespace MonoGame.Extended.Tiled
+{
+    public abstract class TiledMapObject
+    {
+        public int Identifier { get; }
+        public string Name { get; set; }
+        public string Type { get; }
+        public TiledMapProperties Properties { get; }
+        public bool IsVisible { get; set; }
+        public float Opacity { get; set; }
+        public float Rotation { get; set; }
+        public Vector2 Position { get; }
+        public Size2 Size { get; set; }
+
+        internal TiledMapObject(ContentReader input)
+        {
+            Identifier = input.ReadInt32();
+            Name = input.ReadString();
+            Type = input.ReadString();
+            Position = new Vector2(input.ReadSingle(), input.ReadSingle());
+            var width = input.ReadSingle();
+            var height = input.ReadSingle();
+            Size = new Size2(width, height);
+            Rotation = input.ReadSingle();
+            IsVisible = input.ReadBoolean();
+
+            Properties = new TiledMapProperties();
+            input.ReadTiledMapProperties(Properties);
+        }
+
+        public override string ToString()
+        {
+            return $"{Identifier}";
+        }
+    }
+}