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GameServer/Contents/State/PacketHandler/PickPacketHandler.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+
+namespace GameServer.PacketHandler;
+
+
+[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_PING), typeof(PickPacketHandler), typeof(GameLoginListener))]
+public class PickPacketHandler : PacketRecvHandler
+{ 
+     public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
+    {
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var entity_player = entityWithSession as Player;
+        NullReferenceCheckHelper.throwIfNull(entity_player, () => $"entity_player is null !!!");
+
+        var server_logic = GameServerApp.getServerLogic();
+
+        var game_msg = recvMessage as ClientToGame;
+        if (game_msg == null)
+        {
+            err_msg = $"Failed to cast ClientToGame !!! : {nameof(ClientToGame.Request.ChangeStateReq)}";
+            result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
+            Log.getLogger().error(result.toBasicString());
+
+            send_S2C_ACK_PING(entity_player, result, 0);
+            return result;
+        }
+
+        var request = game_msg.Request.ReqPing;
+
+        var idx = request.Idx;
+        
+        send_S2C_ACK_PING(entity_player, result, idx);
+
+        await Task.CompletedTask;
+        return result;
+    }
+ 
+    public static bool send_S2C_ACK_PING(Player player, Result result, int idx)
+    {
+        var ack_packet = new ClientToGame();
+        ack_packet.Response = new ClientToGameRes();
+
+        ack_packet.Response.ErrorCode = result.ErrorCode;
+        ack_packet.Response.AckPing = new();
+        ack_packet.Response.AckPing.Idx = idx;
+
+        if (false == GameServerApp.getServerLogic().onSendPacket(player, ack_packet))
+        {
+            return false;
+        }
+
+        return true;
+    }
+}