CallGS

GameServer/Server/CallGS/CallGSApiAttribute.cs

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+namespace MikuSB.GameServer.Server.CallGS;
+
+[AttributeUsage(AttributeTargets.Class)]
+public class CallGSApiAttribute(string api) : Attribute
+{
+    public string Api { get; } = api;
+}

GameServer/Server/CallGS/CallGSRouter.cs

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+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);
+    }
+}

GameServer/Server/CallGS/Handlers/Achievement/Achievement_GetReward.cs

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+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);
+    }
+}

GameServer/Server/CallGS/ICallGSHandler.cs

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+namespace MikuSB.GameServer.Server.CallGS;
+
+public interface ICallGSHandler
+{
+    Task Handle(Connection connection, string param, ushort seqNo);
+}

GameServer/Server/Packet/Recv/Player/HandlerReqCallGS.cs

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+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);
+    }
+}