Rework on SendNativeCall

RageCoop.Core/Scripting/CustomEvents.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Security.Cryptography;
+
+namespace RageCoop.Core.Scripting
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public static class CustomEvents
+    {
+        static MD5 Hasher = MD5.Create();
+        static Dictionary<int,string> Hashed=new Dictionary<int,string>();
+        public static readonly int SetWeather = Hash("RageCoop.SetWeather");
+        public static readonly int OnPlayerDied = Hash("RageCoop.OnPlayerDied");
+        public static readonly int SetAutoRespawn = Hash("RageCoop.SetAutoRespawn");
+        public static readonly int NativeCall = Hash("RageCoop.NativeCall");
+        // public static readonly int NativeCallNoResponse = Hash("RageCoop.NativeCallNoResponse");
+        public static readonly int NativeResponse = Hash("RageCoop.NativeResponse");
+        /// <summary>
+        /// Get a Int32 hash of a string.
+        /// </summary>
+        /// <param name="s"></param>
+        /// <returns></returns>
+        /// <exception cref="ArgumentException">The exception is thrown when the name did not match a previously computed one and the hash was the same.</exception>
+        public static int Hash(string s)
+        {
+            var hash = BitConverter.ToInt32(Hasher.ComputeHash(Encoding.UTF8.GetBytes(s)), 0);
+            string name;
+            lock (Hashed)
+            {
+                if (Hashed.TryGetValue(hash, out name))
+                {
+                    if (name!=s)
+                    {
+                        throw new ArgumentException($"Hashed value has collision with another name:{name}, hashed value:{hash}");
+                    }
+                    else
+                    {
+                        return hash;
+                    }
+                }
+                else
+                {
+                    Hashed.Add(hash, s);
+                    return hash;
+                }
+            }
+        }
+    }
+}