Hii,I need to send from a C# application the position of several aircrafts to a
flight gear multiplayer server; in order to write the mentioned C# app I have
ported the T_MsgHdr and T_PositionMsg structures from mpmessages.h. (see end of
message)
The first time I send a position msg to server a new client is added correctly
and a chat msg is sent to flight gear instance with the following text
Test is now online, using
Aircraft/Dragonfly/Models/Dragonfly.xml
The problem is that the new pilot (Test) is not listed in pilot list.
I hope that someone can help me with this issue.Regards
Marco
P.S Please note that I am a newbie with fg devel :-D
the following structs are ported from mpmessages.h
// Header for use with all messages sent
[StructLayout(LayoutKind.Explicit, Pack = 1)] public struct T_MsgHdr {
[FieldOffset(0)] public uint Magic; // Magic Value
[FieldOffset(4)] public uint Version; // Protocol
version [FieldOffset(8)] public uint MsgId; //
Message identifier [FieldOffset(12)] public uint MsgLen;
// absolute length of message [FieldOffset(16)] public
uint ReplyAddress; // (player's receiver address
[FieldOffset(20)] public uint ReplyPort; // player's
receiver port [FieldOffset(24)]
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 8)] public String
Callsign; // Callsign used by the player };
/// <summary> /// Position message /// </summary>
[StructLayout(LayoutKind.Explicit, Pack = 1)] public struct T_PositionMsg
{ [FieldOffset(0)] [MarshalAs(UnmanagedType.ByValTStr, SizeConst
= 96)] public String Model; // Name of the aircraft model
[FieldOffset(96)] // Time when this packet was generated
public ulong time; [FieldOffset(104)] public ulong lag;
// position wrt the earth centered frame [FieldOffset(112)]
public ulong position_x; [FieldOffset(120)] public ulong
position_y; [FieldOffset(128)] public ulong position_z; //
orientation wrt the earth centered frame, stored in the angle axis //
representation where the angle is coded into the axis length
[FieldOffset(136)] public uint orientation_x; [FieldOffset(140)]
public uint orientation_y; [FieldOffset(144)] public uint
orientation_z;
// linear velocity wrt the earth centered frame measured in //
the earth centered frame [FieldOffset(148)] public uint
linearVel_x; [FieldOffset(152)] public uint linearVel_y;
[FieldOffset(156)] public uint linearVel_z; // angular velocity
wrt the earth centered frame measured in // the earth centered frame
[FieldOffset(160)] public uint angularVel_x;
[FieldOffset(164)] public uint angularVel_Y; [FieldOffset(168)]
public uint angularVel_z;
// linear acceleration wrt the earth centered frame measured in
// the earth centered frame [FieldOffset(172)] public uint
linearAccel_x; [FieldOffset(176)] public uint linearAccel_y;
[FieldOffset(180)] public uint linearAccel_z; // angular
acceleration wrt the earth centered frame measured in // the earth
centered frame [FieldOffset(184)] public uint angularAccel_x;
[FieldOffset(188)] public uint angularAccel_y;
[FieldOffset(192)] public uint angularAccel_z; // Padding. The
alignment is 8 bytes on x86_64 because there are // 8-byte types in the
message, so the size should be explicitly // rounded out to a multiple
of 8. Of course, it's a bad idea to // put a C struct directly on the
wire, but that's a fight for // another day... //UInt32 pad; };
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