/// <summary>
/// 重新所有笔的状态（以及缓存的所有答案）
/// </summary>
public void ResetStatus()
{
FlowManage.ClearAnswer();
foreach (var studentId in APP.StudySession.StudentIds)
{
var pen = GetPen(studentId);
if (pen != null)
{
pen.ResetStatus();
}
}
}
/// <summary>
/// Udp接收到客户端数据事件
/// </summary>
/// <param name="connection"></param>
/// <param name="server"></param>
public void UdpHandleDataReceived(UdpServer server, UdpState udpState)
{
var type = udpState.Buffer[0];
if (type != 0x55)
{
return;
}
var packet_type = udpState.Buffer.GetRange(2, 1)[0];
switch (packet_type)
{
case 0x01: //坐标
{
if (APP.StudySession.IsAnswer || APP.StudySession.IsSelfJudgment)
{
var pendot = udpState.Buffer.ToStruct <Packs.Pendot>();
if (pendot.penid == 0)
{
pendot.penid = 9; //这是我专用测试使用
}
var pen = CreateOrGetPen(pendot.penid);
if (APP.StudySession.HasStudy(pen.StudentId) == false)
{
break;
}
FlowManage.RunFlows(new PenKey(pendot.penid));
pen.SetWriteing(true);
QueueManage.Instance.AddPendot(pendot);
}
}
break;
case 0x02: //心跳
{
var heartbeat = udpState.Buffer.ToStruct <HeartbeatPack>();
if (heartbeat.penid == 0)
{
heartbeat.penid = 9; //这是我专用测试使用
}
var pen = CreateOrGetPen(heartbeat.penid);
pen.BindDevice(udpState.IpEndPoint.Address, heartbeat.deviceid); //10秒左右更新一次
}
break;
case 0x03: //按键
{
//原样应答
server.Send(udpState.Buffer, udpState.IpEndPoint);
if (APP.StudySession.IsAnswer || APP.StudySession.IsSelfJudgment)
{
var problem = udpState.Buffer.ToStruct <Packs.Problem>();
if (problem.penid == 0)
{
problem.penid = 9; //这是我专用测试使用
}
var pen = CreateOrGetPen(problem.penid);
if (APP.StudySession.HasStudy(pen.StudentId) == false)
{
break;
}
FlowManage.RunFlows(new PenKey(problem));
}
}
break;
}
}