fix: unable to log in to the game normally after version 8.x

answer/server_state_checker.go

@@ -0,0 +1,37 @@
+package answer
+
+import (
+	"fmt"
+	"github.com/ggmolly/belfast/connection"
+	"github.com/ggmolly/belfast/logger"
+	"github.com/ggmolly/belfast/orm"
+	"github.com/ggmolly/belfast/protobuf"
+	"google.golang.org/protobuf/proto"
+)
+
+func Forge_SC10019(buffer *[]byte, client *connection.Client) (int, int, error) {
+	response := protobuf.SC_10019{}
+
+	// Update server list
+	var belfastServers []orm.Server
+	// Decrease by 1 the state of all servers
+	err := orm.GormDB.Order("id asc").Find(&belfastServers).Error
+	if err != nil {
+		logger.LogEvent("Server", "SC_10019", fmt.Sprintf("failed to fetch servers: %s", err.Error()), logger.LOG_LEVEL_ERROR)
+		return 0, 10019, err
+	}
+	Servers = make([]*protobuf.SERVERINFO, len(belfastServers))
+	for i, server := range belfastServers {
+		Servers[i] = &protobuf.SERVERINFO{
+			Ids:   []uint32{server.ID},
+			Ip:    proto.String(server.IP),
+			Port:  proto.Uint32(server.Port),
+			State: proto.Uint32(*server.StateID - 1), // StateID is 0-based in Azur Lane, but 1-based in the database
+			Name:  proto.String(server.Name),
+			Sort:  proto.Uint32(uint32(i + 1)),
+		}
+	}
+	response.Serverlist = Servers
+	logger.LogEvent("Server", "SC_10019", fmt.Sprintf("sending %d servers", len(response.Serverlist)), logger.LOG_LEVEL_WARN)
+	return client.SendMessage(10019, &response)
+}

main.go

@@ -84,6 +84,7 @@ func init() {
 		JP: &[]packets.PacketHandler{answer.Forge_SC10803_CN_JP_KR_TW},
 		KR: &[]packets.PacketHandler{answer.Forge_SC10803_CN_JP_KR_TW},
 	})
+	packets.RegisterPacketHandler(10018, []packets.PacketHandler{answer.Forge_SC10019})
 	packets.RegisterPacketHandler(10022, []packets.PacketHandler{answer.JoinServer})
 	packets.RegisterPacketHandler(10026, []packets.PacketHandler{answer.PlayerExist})
 	packets.RegisterPacketHandler(11001, []packets.PacketHandler{