[Add] FishNet

2026-03-30 20:11:57 +07:00
parent ee793a3361
commit c22c08753a
1797 changed files with 197950 additions and 1 deletions
@@ -0,0 +1,61 @@
+using FishNet.Managing.Transporting;
+using System;
+
+namespace FishNet.Example.IntermediateLayers
+{
+    /* Below is an example of creating a basic Caesar Cipher.
+     * Bytes are modified by a set value of CIPHER_KEY, and then
+     * the original src ArraySegment is returned.
+     *
+     * It's very important to only iterate the bytes provided
+     * as the segment. For example, if the ArraySegment contains
+     * 1000 bytes but the Offset is 3 and Count is 5 then you should
+     * only iterate bytes on index 3, 4, 5, 6, 7. The code below
+     * shows one way of properly doing so.
+     *
+     * If you are to change the byte array reference, size, or segment
+     * count be sure to return a new ArraySegment with the new values.
+     * For example, if your Offset was 0 and count was 10 but after
+     * encrypting data the Offset was still 0 and count 15 you would
+     * return new ArraySegment<byte>(theArray, 0, 15); */
+    public class IntermediateLayerCipher : IntermediateLayer
+    {
+        private const byte CIPHER_KEY = 5;
+
+        // Decipher incoming data.
+        public override ArraySegment<byte> HandleIncoming(ArraySegment<byte> src, bool fromServer)
+        {
+            byte[] arr = src.Array;
+            int length = src.Count;
+            int offset = src.Offset;
+
+            for (int i = src.Offset; i < offset + length; i++)
+            {
+                short next = (short)(arr[i] - CIPHER_KEY);
+                if (next < 0)
+                    next += 256;
+                arr[i] = (byte)next;
+            }
+
+            return src;
+        }
+
+        // Cipher outgoing data.
+        public override ArraySegment<byte> HandleOutgoing(ArraySegment<byte> src, bool toServer)
+        {
+            byte[] arr = src.Array;
+            int length = src.Count;
+            int offset = src.Offset;
+
+            for (int i = offset; i < offset + length; i++)
+            {
+                short next = (short)(arr[i] + CIPHER_KEY);
+                if (next > byte.MaxValue)
+                    next -= 256;
+                arr[i] = (byte)next;
+            }
+
+            return src;
+        }
+    }
+}
@@ -0,0 +1,18 @@
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+  packageName: 'FishNet: Networking Evolved'
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+  assetPath: Assets/FishNet/Demos/IntermediateLayer/Scripts/IntermediateLayerCipher.cs
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