From 1b33f7d6338fb7665cae84567fc9f2f9f879bd5b Mon Sep 17 00:00:00 2001
From: vis2k <info@noobtuts.com>
Date: Sun, 30 Dec 2018 16:24:28 +0100
Subject: [PATCH] HLAPI: GetStableHashCode added too

---
 Mirror/Runtime/Extensions.cs         | 20 ++++++++++++++++++++
 Mirror/Runtime/Mirror.Runtime.csproj |  1 +
 Mirror/Runtime/UNetwork.cs           | 17 +++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 Mirror/Runtime/Extensions.cs

diff --git a/Mirror/Runtime/Extensions.cs b/Mirror/Runtime/Extensions.cs
new file mode 100644
index 000000000..cf090d7e6
--- /dev/null
+++ b/Mirror/Runtime/Extensions.cs
@@ -0,0 +1,20 @@
+namespace Mirror
+{
+
+    public static class Extensions
+    {
+        // string.GetHashCode is not guaranteed to be the same on all machines, but
+        // we need one that is the same on all machines. simple and stupid:
+        // IMPORTANT: needs to be same one as in Weaver
+        public static int GetStableHashCode(this string text)
+        {
+            unchecked
+            {
+                int hash = 23;
+                foreach (char c in text)
+                    hash = hash * 31 + c;
+                return hash;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Mirror/Runtime/Mirror.Runtime.csproj b/Mirror/Runtime/Mirror.Runtime.csproj
index e7a8d0ba5..671cb2b60 100644
--- a/Mirror/Runtime/Mirror.Runtime.csproj
+++ b/Mirror/Runtime/Mirror.Runtime.csproj
@@ -65,6 +65,7 @@
     <Compile Include="ClientScene.cs" />
     <Compile Include="CustomAttributes.cs" />
     <Compile Include="DotNetCompatibility.cs" />
+    <Compile Include="Extensions.cs" />
     <Compile Include="LocalConnections.cs" />
     <Compile Include="LogFilter.cs" />
     <Compile Include="Messages.cs" />
diff --git a/Mirror/Runtime/UNetwork.cs b/Mirror/Runtime/UNetwork.cs
index af3d607d6..484903d90 100644
--- a/Mirror/Runtime/UNetwork.cs
+++ b/Mirror/Runtime/UNetwork.cs
@@ -123,4 +123,21 @@ public static bool UnpackMessage(byte[] message, out ushort msgType, out byte[]
             return true;
         }
     }
+
+    public static class Utils
+    {
+        // string.GetHashCode is not guaranteed to be the same on all machines, but
+        // we need one that is the same on all machines. simple and stupid:
+        // IMPORTANT: needs to be the same one as in Weaver
+        public static int GetStableHashCode(string text)
+        {
+            unchecked
+            {
+                int hash = 23;
+                foreach (char c in text)
+                    hash = hash * 31 + c;
+                return hash;
+            }
+        }
+    }
 }