Removed NioTSO client and server

- NioTSO client isn't needed because we're using RayLib
- Added FreeSO's API server to handle most backend operations

server/tso.common/Rendering/Framework/3DScene.cs

@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using FSO.Common.Rendering.Framework.Camera;
+using Microsoft.Xna.Framework.Graphics;
+using FSO.Common.Rendering.Framework.Model;
+
+namespace FSO.Common.Rendering.Framework
+{
+    /// <summary>
+    /// A scene capable of rendering 3D elements.
+    /// </summary>
+    public class _3DScene : _3DAbstract
+    {
+        private List<_3DComponent> m_Elements = new List<_3DComponent>();
+
+        public new _3DLayer Parent;
+
+        /// <summary>
+        /// Creates a new _3DScene instance.
+        /// </summary>
+        /// <param name="Device">A GraphicsDevice instance used for rendering.</param>
+        /// <param name="camera">A camera inheriting from ICamera used for rendering.</param>
+        public _3DScene(GraphicsDevice Device, ICamera camera) : base(Device)
+        {
+            this.Camera = camera;
+        }
+
+        /// <summary>
+        /// Creates a new _3DScene instance.
+        /// </summary>
+        /// <param name="Device">A GraphicsDevice instance used for rendering.</param>
+        public _3DScene(GraphicsDevice Device) : base(Device)
+        {
+        }
+
+        /// <summary>
+        /// Graphics device was reset (happens when scene is updated or minimized.)
+        /// </summary>
+        void m_Device_DeviceReset(object sender, EventArgs e)
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <summary>
+        /// Returns the _3DComponents that make up this scene.
+        /// </summary>
+        /// <returns>A List of _3DComponent instances.</returns>
+        public override List<_3DComponent> GetElements()
+        {
+            return m_Elements;
+        }
+
+        public override void Initialize(_3DLayer layer)
+        {
+            this.Parent = layer;
+
+            foreach (var element in m_Elements)
+            {
+                element.Initialize();
+            }
+        }
+
+        public override void Update(UpdateState state)
+        {
+            for (int i = 0; i < m_Elements.Count; i++)
+            {
+                m_Elements[i].Update(state);
+            }
+        }
+
+        /// <summary>
+        /// Removes a 3D element from this 3DScene.
+        /// </summary>
+        /// <param name="item">The _3DComponent instance to remove.</param>
+        public void Remove(_3DComponent item)
+        {
+            m_Elements.Remove(item);
+        }
+
+        /// <summary>
+        /// Adds a 3D element to this 3DScene.
+        /// </summary>
+        /// <param name="item">The _3DComponent instance to add.</param>
+        public override void Add(_3DComponent item)
+        {
+            m_Elements.Add(item);
+            item.Scene = this;
+            if (this.Parent != null)
+            {
+                item.Initialize();
+            }
+        }
+
+        public override void PreDraw(GraphicsDevice device){
+        }
+
+        public override void Draw(GraphicsDevice device)
+        {
+            for (int i = 0; i < m_Elements.Count; i++)
+            {
+                m_Elements[i].Draw(device);
+            }
+        }
+
+        public override string ToString()
+        {
+            if (ID != null)
+            {
+                return ID;
+            }
+
+            return base.ToString();
+        }
+
+        /// <summary>
+        /// GraphicsDevice was reset.
+        /// </summary>
+        /// <param name="Device">The GraphicsDevice instance.</param>
+        public override void DeviceReset(GraphicsDevice Device)
+        {
+            for (int i = 0; i < m_Elements.Count; i++)
+                m_Elements[i].DeviceReset(Device);
+        }
+    }
+}