Airship support

Logger utility
Initial Reactor.Networking protocol rework

Reactor.Shared/Networking/Mod.cs

@@ -0,0 +1,40 @@
+#nullable enable
+
+using System;
+
+namespace Reactor.Networking
+{
+    public class Mod
+    {
+        public Mod(uint netId, string id, string version, PluginSide side)
+        {
+            NetId = netId;
+            Id = id;
+            Version = version;
+            Side = side;
+        }
+
+        public uint NetId { get; }
+        public string Id { get; }
+        public string Version { get; }
+        public PluginSide Side { get; }
+
+        protected bool Equals(Mod other)
+        {
+            return Id == other.Id && Version == other.Version;
+        }
+
+        public override bool Equals(object? obj)
+        {
+            if (ReferenceEquals(null, obj)) return false;
+            if (ReferenceEquals(this, obj)) return true;
+            if (obj.GetType() != GetType()) return false;
+            return Equals((Mod) obj);
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCode.Combine(Id, Version);
+        }
+    }
+}

Reactor.Shared/Networking/ReactorMessageFlags.cs

@@ -0,0 +1,9 @@
+namespace Reactor.Networking
+{
+    public enum ReactorMessageFlags : byte
+    {
+        Handshake,
+        ModDeclaration,
+        PluginDeclaration
+    }
+}

Reactor.Shared/Networking/ReactorProtocolVersion.cs

@@ -0,0 +1,18 @@
+namespace Reactor.Networking
+{
+    /// <summary>
+    ///     Version of the Reactor.Net protocol format.
+    /// </summary>
+    public enum ReactorProtocolVersion : byte
+    {
+        /// <summary>
+        ///     Initial version.
+        /// </summary>
+        Initial = 1,
+
+        /// <summary>
+        ///     Latest version.
+        /// </summary>
+        Latest = Initial,
+    }
+}

Reactor.Shared/PluginSide.cs

@@ -0,0 +1,18 @@
+namespace Reactor
+{
+    /// <summary>
+    /// Plugin side used in modded handshake
+    /// </summary>
+    public enum PluginSide : byte
+    {
+        /// <summary>
+        /// Required by both sides, reject connection if missing on the other side
+        /// </summary>
+        Both,
+
+        /// <summary>
+        /// Required only by client
+        /// </summary>
+        ClientOnly
+    }
+}

Reactor.Shared/Reactor.Shared.projitems

@@ -0,0 +1,5 @@
+<Project>
+    <ItemGroup>
+        <Compile Include="$(MSBuildThisFileDirectory)**\*.cs" />
+    </ItemGroup>
+</Project>

Reactor.Shared/Reactor.Shared.shproj

@@ -0,0 +1,3 @@
+<Project>
+    <Import Project="Reactor.Shared.projitems" Label="Shared" />
+</Project>