chore: initialize standalone UPM package

2026-08-26 02:50:34 +08:00
commit 8eaaa3040a
139 changed files with 9309 additions and 0 deletions
@@ -0,0 +1,60 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+
+namespace ShrinkNetwork
+{
+    public sealed class ShrinkNetworkMessageRegistry
+    {
+        private readonly Dictionary<int, ShrinkNetworkMessageMeta> _opcodeToMeta = new();
+        private readonly Dictionary<Type, ShrinkNetworkMessageMeta> _typeToMeta = new();
+
+        public void Register<TMessage>(int opcode, string? route = null) where TMessage : IShrinkNetworkMessage
+            => Register(typeof(TMessage), opcode, route);
+
+        public void Register(Type messageType, int opcode, string? route = null)
+        {
+            if (messageType == null)
+                throw new ArgumentNullException(nameof(messageType));
+            if (!typeof(IShrinkNetworkMessage).IsAssignableFrom(messageType))
+                throw new ArgumentException($"Type {messageType.FullName} is not a network message.", nameof(messageType));
+            if (_opcodeToMeta.ContainsKey(opcode))
+                throw new InvalidOperationException($"Opcode {opcode} is already registered.");
+            if (_typeToMeta.ContainsKey(messageType))
+                throw new InvalidOperationException($"Message type {messageType.FullName} is already registered.");
+
+            var meta = new ShrinkNetworkMessageMeta(opcode, messageType, route);
+            _opcodeToMeta.Add(opcode, meta);
+            _typeToMeta.Add(messageType, meta);
+        }
+
+        public bool TryGetMeta(int opcode, out ShrinkNetworkMessageMeta? meta) => _opcodeToMeta.TryGetValue(opcode, out meta);
+
+        public bool TryGetMeta(Type type, out ShrinkNetworkMessageMeta? meta) => _typeToMeta.TryGetValue(type, out meta);
+
+        public ShrinkNetworkMessageMeta GetMeta<TMessage>() where TMessage : IShrinkNetworkMessage => GetMeta(typeof(TMessage));
+
+        public ShrinkNetworkMessageMeta GetMeta(Type type)
+        {
+            if (_typeToMeta.TryGetValue(type, out var meta))
+                return meta;
+
+            throw new KeyNotFoundException($"Message type {type.FullName} is not registered.");
+        }
+    }
+
+    public sealed class ShrinkNetworkMessageMeta
+    {
+        public int Opcode { get; }
+        public Type MessageType { get; }
+        public string? Route { get; }
+
+        public ShrinkNetworkMessageMeta(int opcode, Type messageType, string? route)
+        {
+            Opcode = opcode;
+            MessageType = messageType;
+            Route = route;
+        }
+    }
+}