gistfile1.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using FragEngine.Entities;
using FragEngine.IO;
using Microsoft.Xna.Framework;

namespace ThunderDome
{
    public class Program
    {
        [DataContract]
        public class Level
        {
            public Level()
            {
                Entities = new Dictionary<int, List<EntityBase>>();
            }

            [DataMember]
            public Dictionary<int, List<EntityBase>> Entities { get; set; }

            [DataMember]
            public string Name { get; set; }

            public void AddEntity(int layer, EntityBase entity)
            {
                if (Entities.ContainsKey(layer))
                {
                    Entities[layer].Add(entity);
                }
                else
                {
                    Entities.Add(layer, new List<EntityBase>() { entity });
                }
            }
        }

        public class Car : EntityBase
        {
        }

        public class EnemyA : EntityBase
        {
        }

        public class EnemyB : EntityBase
        {
        }

        static void Main( string[] args )
        {
            var level = new Level { Name = "TheFirstLevel" };

            var car = new Car { Position = new Vector2( 100, 100 ) };

            car.Settings.Add( "name", "CutsceneIntroTurret" );
            car.Settings.Add( "targeting", true );
            car.Settings.Add( "speed", 100 );

            level.AddEntity( 1, car );

            var enemy = new EnemyA {Position = new Vector2(1000, 100)};

            enemy.Settings.Add("range", 100 );

            var enemy2 = new EnemyB { Position = new Vector2( 2000, 200 ) };

            enemy2.Settings.Add("range", 200 );

            level.AddEntity( 2, enemy );
            level.AddEntity( 3, enemy2 );

            // SerializeWithShittyXmlSerializer(car);

            // SerializeWithLessShittyJsonSerializer(car);

            SerializeWithServiceStack(level);

            var readLevel = Persistant.Load<Level>(@"c:\Temp\level.json");

            // SerializeWithProtoBuf(car);

            Console.WriteLine("Level persisted");
            Console.ReadLine();
        }

        private static void SerializeWithServiceStack(Level level)
        {
            Persistant.Persist(@"c:\Temp\level.json", level);
        }
    }
}