Add MessageExtensions

Reactor/Extensions/MessageExtensions.cs

@@ -0,0 +1,44 @@
+using Hazel;
+using UnityEngine;
+
+namespace Reactor.Extensions
+{
+    public static class MessageExtensions
+    {
+        private const float MIN = -40f;
+        private const float MAX = 40f;
+
+        private static float ReverseLerp(float t)
+        {
+            return Mathf.Clamp((t - MIN) / (MAX - MIN), 0f, 1f);
+        }
+
+        public static void Write(this MessageWriter writer, Vector2 value)
+        {
+            var x = (ushort) (ReverseLerp(value.x) * ushort.MaxValue);
+            var y = (ushort) (ReverseLerp(value.y) * ushort.MaxValue);
+
+            writer.Write(x);
+            writer.Write(y);
+        }
+
+        public static Vector2 ReadVector2(this MessageReader reader)
+        {
+            var x = reader.ReadUInt16() / (float) ushort.MaxValue;
+            var y = reader.ReadUInt16() / (float) ushort.MaxValue;
+
+            return new Vector2(Mathf.Lerp(MIN, MAX, x), Mathf.Lerp(MIN, MAX, y));
+        }
+
+        // public static void Write(MessageWriter writer, InnerNetObject value)
+        // {
+        //     global::MessageExtensions.WriteNetObject(writer, value);
+        // }
+
+        // TODO OxygenFilter crashes, Mono.Cecil hates generic arguments, I have no idea why
+        // public static T ReadNetObject<T>(MessageReader reader) where T : InnerNetObject
+        // {
+        //     return global::MessageExtensions.ReadNetObject<T>(reader);
+        // }
+    }
+}