moving some things around and code cleanup

Source/MonoGame.Extended.Entities/EntityComponentType.cs

@@ -0,0 +1,56 @@
+// Original code dervied from:
+// https://github.com/thelinuxlich/artemis_CSharp/blob/master/Artemis_XNA_INDEPENDENT/ComponentType.cs
+
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="ComponentType.cs" company="GAMADU.COM">
+//     Copyright © 2013 GAMADU.COM. Contains rights reserved.
+//
+//     Redistribution and use in source and binary forms, with or without modification, are
+//     permitted provided that the following conditions are met:
+//
+//        1. Redistributions of source code must retain the above copyright notice, this list of
+//           conditions and the following disclaimer.
+//
+//        2. Redistributions in binary form must reproduce the above copyright notice, this list
+//           of conditions and the following disclaimer in the documentation and/or other materials
+//           provided with the distribution.
+//
+//     THIS SOFTWARE IS PROVIDED BY GAMADU.COM 'AS IS' AND ANY EXPRESS OR IMPLIED
+//     WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//     FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GAMADU.COM OR
+//     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//     CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//     ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//     NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//     ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//     The views and conclusions contained in the software and documentation are those of the
+//     authors and should not be interpreted as representing official policies, either expressed
+//     or implied, of GAMADU.COM.
+// </copyright>
+// <summary>
+//   Represents a Component Type.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+using System;
+using System.Diagnostics;
+
+namespace MonoGame.Extended.Entities
+{
+    [DebuggerDisplay("Index:{" + nameof(Index) + "}")]
+    public sealed class EntityComponentType
+    {
+        private static int _nextIndex;
+
+        public int Index { get; }
+        public Type Type { get; }
+
+        internal EntityComponentType(Type type)
+        {
+            Index = _nextIndex++;
+            Type = type;
+        }
+    }
+}