From 2a961704a800a76c60962cc85b1eb8000327de6b Mon Sep 17 00:00:00 2001
From: Kei-Luna <touhousetsuna@gmail.com>
Date: Wed, 22 Apr 2026 05:31:08 +0900
Subject: [PATCH] CallGS

---
 .../Server/CallGS/CallGSApiAttribute.cs       |  7 +++
 GameServer/Server/CallGS/CallGSRouter.cs      | 46 +++++++++++++++++++
 .../Achievement/Achievement_GetReward.cs      | 13 ++++++
 GameServer/Server/CallGS/ICallGSHandler.cs    |  6 +++
 .../Packet/Recv/Player/HandlerReqCallGS.cs    | 14 ++++++
 MikuSB/Program/LoaderManager.cs               |  4 +-
 6 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 GameServer/Server/CallGS/CallGSApiAttribute.cs
 create mode 100644 GameServer/Server/CallGS/CallGSRouter.cs
 create mode 100644 GameServer/Server/CallGS/Handlers/Achievement/Achievement_GetReward.cs
 create mode 100644 GameServer/Server/CallGS/ICallGSHandler.cs
 create mode 100644 GameServer/Server/Packet/Recv/Player/HandlerReqCallGS.cs

diff --git a/GameServer/Server/CallGS/CallGSApiAttribute.cs b/GameServer/Server/CallGS/CallGSApiAttribute.cs
new file mode 100644
index 0000000..45a9038
--- /dev/null
+++ b/GameServer/Server/CallGS/CallGSApiAttribute.cs
@@ -0,0 +1,7 @@
+namespace MikuSB.GameServer.Server.CallGS;
+
+[AttributeUsage(AttributeTargets.Class)]
+public class CallGSApiAttribute(string api) : Attribute
+{
+    public string Api { get; } = api;
+}
diff --git a/GameServer/Server/CallGS/CallGSRouter.cs b/GameServer/Server/CallGS/CallGSRouter.cs
new file mode 100644
index 0000000..6873fdc
--- /dev/null
+++ b/GameServer/Server/CallGS/CallGSRouter.cs
@@ -0,0 +1,46 @@
+using MikuSB.Proto;
+using MikuSB.Util;
+using System.Reflection;
+
+namespace MikuSB.GameServer.Server.CallGS;
+
+public static class CallGSRouter
+{
+    private static readonly Logger Logger = new("CallGS");
+    private static readonly Dictionary<string, ICallGSHandler> Handlers = [];
+
+    public static void Init()
+    {
+        foreach (var type in Assembly.GetExecutingAssembly().GetTypes())
+        {
+            var attr = type.GetCustomAttribute<CallGSApiAttribute>();
+            if (attr == null) continue;
+            Handlers[attr.Api] = (ICallGSHandler)Activator.CreateInstance(type)!;
+        }
+        Logger.Info($"Registered {Handlers.Count} CallGS handlers.");
+    }
+
+    public static async Task Route(Connection connection, ReqCallGS req, ushort seqNo)
+    {
+        if (Handlers.TryGetValue(req.Api, out var handler))
+        {
+            try
+            {
+                await handler.Handle(connection, req.Param, seqNo);
+            }
+            catch (Exception e)
+            {
+                Logger.Error($"[{req.Api}] {e.Message}", e);
+            }
+            return;
+        }
+
+        Logger.Error($"No handler for CallGS API: {req.Api}");
+    }
+
+    public static async Task SendScript(Connection connection, string api, string arg, ushort seqNo = 0)
+    {
+        var rsp = new NtfCallScript { Api = api, Arg = arg };
+        await connection.SendPacket(CmdIds.RspCallGS, rsp, seqNo);
+    }
+}
diff --git a/GameServer/Server/CallGS/Handlers/Achievement/Achievement_GetReward.cs b/GameServer/Server/CallGS/Handlers/Achievement/Achievement_GetReward.cs
new file mode 100644
index 0000000..eabd406
--- /dev/null
+++ b/GameServer/Server/CallGS/Handlers/Achievement/Achievement_GetReward.cs
@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Achievement;
+
+[CallGSApi("Achievement_GetReward")]
+public class Achievement_GetReward : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        // param: json.encode({nId = nId})
+        // TODO: implement reward logic
+
+        await CallGSRouter.SendScript(connection, "Achievement_GetReward", "{}", seqNo);
+    }
+}
diff --git a/GameServer/Server/CallGS/ICallGSHandler.cs b/GameServer/Server/CallGS/ICallGSHandler.cs
new file mode 100644
index 0000000..5f3a5e9
--- /dev/null
+++ b/GameServer/Server/CallGS/ICallGSHandler.cs
@@ -0,0 +1,6 @@
+namespace MikuSB.GameServer.Server.CallGS;
+
+public interface ICallGSHandler
+{
+    Task Handle(Connection connection, string param, ushort seqNo);
+}
diff --git a/GameServer/Server/Packet/Recv/Player/HandlerReqCallGS.cs b/GameServer/Server/Packet/Recv/Player/HandlerReqCallGS.cs
new file mode 100644
index 0000000..b8be93d
--- /dev/null
+++ b/GameServer/Server/Packet/Recv/Player/HandlerReqCallGS.cs
@@ -0,0 +1,14 @@
+using MikuSB.GameServer.Server.CallGS;
+using MikuSB.Proto;
+
+namespace MikuSB.GameServer.Server.Packet.Recv.Player;
+
+[Opcode(CmdIds.ReqCallGS)]
+public class HandlerReqCallGS : Handler
+{
+    public override async Task OnHandle(Connection connection, byte[] data, ushort seqNo)
+    {
+        var req = ReqCallGS.Parser.ParseFrom(data);
+        await CallGSRouter.Route(connection, req, seqNo);
+    }
+}
diff --git a/MikuSB/Program/LoaderManager.cs b/MikuSB/Program/LoaderManager.cs
index f0ac644..d940ea5 100644
--- a/MikuSB/Program/LoaderManager.cs
+++ b/MikuSB/Program/LoaderManager.cs
@@ -3,6 +3,7 @@ using MikuSB.Data;
 using MikuSB.Database;
 using MikuSB.GameServer.Command;
 using MikuSB.GameServer.Server;
+using MikuSB.GameServer.Server.CallGS;
 using MikuSB.GameServer.Server.Packet;
 using MikuSB.Internationalization;
 using MikuSB.MikuSB.Tool;
@@ -121,7 +122,8 @@ public class LoaderManager : MikuSB
             SocketConnection.LogMap.TryAdd(value, name);
         }
 
-        HandlerManager.Init(); 
+        HandlerManager.Init();
+        CallGSRouter.Init();
     }
 
     public static async Task InitResource()