1 (* Copyright (C) DooM 2D:Forever Developers
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 3 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 {$INCLUDE ../shared/a_modes.inc}
22 e_log
, e_msg
, ENet
, Classes
, MAPDEF
;
25 NET_PROTOCOL_VER
= 173;
31 NET_CHAN_IMPORTANT
= 1;
34 NET_CHAN_PLAYERPOS
= 4;
36 NET_CHAN_MONSTERPOS
= 6;
37 NET_CHAN_LARGEDATA
= 7;
39 NET_CHAN_DOWNLOAD
= 9;
50 NET_DISC_NONE
: enet_uint32
= 0;
51 NET_DISC_PROTOCOL
: enet_uint32
= 1;
52 NET_DISC_VERSION
: enet_uint32
= 2;
53 NET_DISC_FULL
: enet_uint32
= 3;
54 NET_DISC_KICK
: enet_uint32
= 4;
55 NET_DISC_DOWN
: enet_uint32
= 5;
56 NET_DISC_PASSWORD
: enet_uint32
= 6;
57 NET_DISC_TEMPBAN
: enet_uint32
= 7;
58 NET_DISC_BAN
: enet_uint32
= 8;
59 NET_DISC_MAX
: enet_uint32
= 8;
65 BANLIST_FILENAME
= 'banlist.txt';
66 NETDUMP_FILENAME
= 'netdump';
75 RequestedFullUpdate
: Boolean;
83 pTNetClient
= ^TNetClient
;
85 AByte
= array of Byte;
88 NetInitDone
: Boolean = False;
89 NetMode
: Byte = NET_NONE
;
90 NetDump
: Boolean = False;
92 NetServerName
: string = 'Unnamed Server';
93 NetPassword
: string = '';
94 NetPort
: Word = 25666;
96 NetAllowRCON
: Boolean = False;
97 NetRCONPassword
: string = '';
99 NetTimeToUpdate
: Cardinal = 0;
100 NetTimeToReliable
: Cardinal = 0;
101 NetTimeToMaster
: Cardinal = 0;
103 NetHost
: pENetHost
= nil;
104 NetPeer
: pENetPeer
= nil;
106 NetAddr
: ENetAddress
;
108 NetPongAddr
: ENetAddress
;
109 NetPongSock
: ENetSocket
= ENET_SOCKET_NULL
;
111 NetUseMaster
: Boolean = True;
112 NetSlistAddr
: ENetAddress
;
113 NetSlistIP
: string = 'mpms.doom2d.org';
114 NetSlistPort
: Word = 25665;
116 NetClientIP
: string = '127.0.0.1';
117 NetClientPort
: Word = 25666;
121 NetClients
: array of TNetClient
;
122 NetClientCount
: Byte = 0;
123 NetMaxClients
: Byte = 255;
124 NetBannedHosts
: array of TBanRecord
;
126 NetState
: Integer = NET_STATE_NONE
;
128 NetMyID
: Integer = -1;
129 NetPlrUID1
: Integer = -1;
130 NetPlrUID2
: Integer = -1;
132 NetInterpLevel
: Integer = 1;
133 NetUpdateRate
: Cardinal = 0; // as soon as possible
134 NetRelupdRate
: Cardinal = 18; // around two times a second
135 NetMasterRate
: Cardinal = 60000;
137 NetForcePlayerUpdate
: Boolean = False;
138 NetPredictSelf
: Boolean = True;
139 NetGotKeys
: Boolean = False;
141 NetGotEverything
: Boolean = False;
143 NetDumpFile
: TStream
;
145 function g_Net_Init(): Boolean;
146 procedure g_Net_Cleanup();
147 procedure g_Net_Free();
148 procedure g_Net_Flush();
150 function g_Net_Host(IPAddr
: LongWord; Port
: enet_uint16
; MaxClients
: Cardinal = 16): Boolean;
151 procedure g_Net_Host_Die();
152 procedure g_Net_Host_Send(ID
: Integer; Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
153 function g_Net_Host_Update(): enet_size_t
;
155 function g_Net_Connect(IP
: string; Port
: enet_uint16
): Boolean;
156 procedure g_Net_Disconnect(Forced
: Boolean = False);
157 procedure g_Net_Client_Send(Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
158 function g_Net_Client_Update(): enet_size_t
;
159 function g_Net_Client_UpdateWhileLoading(): enet_size_t
;
161 function g_Net_Client_ByName(Name
: string): pTNetClient
;
162 function g_Net_Client_ByPlayer(PID
: Word): pTNetClient
;
163 function g_Net_ClientName_ByID(ID
: Integer): string;
165 procedure g_Net_SendData(Data
:AByte
; peer
: pENetPeer
; Reliable
: Boolean; Chan
: Byte = NET_CHAN_DOWNLOAD
);
166 function g_Net_Wait_Event(msgId
: Word): TMemoryStream
;
168 function IpToStr(IP
: LongWord): string;
169 function StrToIp(IPstr
: string; var IP
: LongWord): Boolean;
171 function g_Net_IsHostBanned(IP
: LongWord; Perm
: Boolean = False): Boolean;
172 procedure g_Net_BanHost(IP
: LongWord; Perm
: Boolean = True); overload
;
173 procedure g_Net_BanHost(IP
: string; Perm
: Boolean = True); overload
;
174 function g_Net_UnbanHost(IP
: string): Boolean; overload
;
175 function g_Net_UnbanHost(IP
: LongWord): Boolean; overload
;
176 procedure g_Net_UnbanNonPermHosts();
177 procedure g_Net_SaveBanList();
179 procedure g_Net_DumpStart();
180 procedure g_Net_DumpSendBuffer();
181 procedure g_Net_DumpRecvBuffer(Buf
: penet_uint8
; Len
: LongWord);
182 procedure g_Net_DumpEnd();
188 e_input
, g_nethandler
, g_netmsg
, g_netmaster
, g_player
, g_window
, g_console
,
189 g_main
, g_game
, g_language
, g_weapons
, utils
;
192 { /// SERVICE FUNCTIONS /// }
195 function g_Net_FindSlot(): Integer;
204 for I
:= Low(NetClients
) to High(NetClients
) do
206 if NetClients
[I
].Used
then
215 if C
>= NetMaxClients
then
223 if (Length(NetClients
) >= NetMaxClients
) then
227 SetLength(NetClients
, Length(NetClients
) + 1);
228 N
:= High(NetClients
);
234 NetClients
[N
].Used
:= True;
235 NetClients
[N
].ID
:= N
;
236 NetClients
[N
].RequestedFullUpdate
:= False;
237 NetClients
[N
].RCONAuth
:= False;
238 NetClients
[N
].Voted
:= False;
239 NetClients
[N
].Player
:= 0;
245 function g_Net_Init(): Boolean;
253 SetLength(NetClients
, 0);
259 NetAddr
.port
:= 25666;
260 SetLength(NetBannedHosts
, 0);
261 if FileExists(DataDir
+ BANLIST_FILENAME
) then
263 Assign(F
, DataDir
+ BANLIST_FILENAME
);
268 if StrToIp(IPstr
, IP
) then
275 Result
:= (enet_initialize() = 0);
278 procedure g_Net_Flush();
280 enet_host_flush(NetHost
);
283 procedure g_Net_Cleanup();
288 SetLength(NetClients
, 0);
298 NetState
:= NET_STATE_NONE
;
300 NetPongSock
:= ENET_SOCKET_NULL
;
302 NetTimeToMaster
:= 0;
303 NetTimeToUpdate
:= 0;
304 NetTimeToReliable
:= 0;
312 procedure g_Net_Free();
317 NetInitDone
:= False;
321 { /// SERVER FUNCTIONS /// }
324 function g_Net_Host(IPAddr
: LongWord; Port
: enet_uint16
; MaxClients
: Cardinal = 16): Boolean;
326 if NetMode
<> NET_NONE
then
328 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_INGAME
]);
335 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST
], [Port
]));
336 if not NetInitDone
then
338 if (not g_Net_Init()) then
340 g_Console_Add(_lc
[I_NET_MSG_FERROR
] + _lc
[I_NET_ERR_ENET
]);
348 NetAddr
.host
:= IPAddr
;
349 NetAddr
.port
:= Port
;
351 NetHost
:= enet_host_create(@NetAddr
, NET_MAXCLIENTS
, NET_CHANS
, 0, 0);
353 if (NetHost
= nil) then
355 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + Format(_lc
[I_NET_ERR_HOST
], [Port
]));
361 NetPongSock
:= enet_socket_create(ENET_SOCKET_TYPE_DATAGRAM
);
362 if NetPongSock
<> ENET_SOCKET_NULL
then
364 NetPongAddr
.host
:= IPAddr
;
365 NetPongAddr
.port
:= Port
+ 1;
366 if enet_socket_bind(NetPongSock
, @NetPongAddr
) < 0 then
368 enet_socket_destroy(NetPongSock
);
369 NetPongSock
:= ENET_SOCKET_NULL
;
372 enet_socket_set_option(NetPongSock
, ENET_SOCKOPT_NONBLOCK
, 1);
375 NetMode
:= NET_SERVER
;
382 procedure g_Net_Host_Die();
386 if NetMode
<> NET_SERVER
then Exit
;
388 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_DISCALL
]);
389 for I
:= 0 to High(NetClients
) do
390 if NetClients
[I
].Used
then
391 enet_peer_disconnect(NetClients
[I
].Peer
, NET_DISC_DOWN
);
393 while enet_host_service(NetHost
, @NetEvent
, 1000) > 0 do
394 if NetEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
then
395 enet_packet_destroy(NetEvent
.packet
);
397 for I
:= 0 to High(NetClients
) do
398 if NetClients
[I
].Used
then
400 FreeMemory(NetClients
[I
].Peer
^.data
);
401 NetClients
[I
].Peer
^.data
:= nil;
402 enet_peer_reset(NetClients
[I
].Peer
);
403 NetClients
[I
].Peer
:= nil;
404 NetClients
[I
].Used
:= False;
407 if (NetMPeer
<> nil) and (NetMHost
<> nil) then g_Net_Slist_Disconnect
;
408 if NetPongSock
<> ENET_SOCKET_NULL
then
409 enet_socket_destroy(NetPongSock
);
411 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_DIE
]);
412 enet_host_destroy(NetHost
);
417 e_WriteLog('NET: Server stopped', TMsgType
.Notify
);
421 procedure g_Net_Host_Send(ID
: Integer; Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
427 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
)
433 if ID
> High(NetClients
) then Exit
;
434 if NetClients
[ID
].Peer
= nil then Exit
;
436 P
:= enet_packet_create(NetOut
.Data
, NetOut
.CurSize
, F
);
437 if not Assigned(P
) then Exit
;
439 enet_peer_send(NetClients
[ID
].Peer
, Chan
, P
);
443 P
:= enet_packet_create(NetOut
.Data
, NetOut
.CurSize
, F
);
444 if not Assigned(P
) then Exit
;
446 enet_host_broadcast(NetHost
, Chan
, P
);
449 if NetDump
then g_Net_DumpSendBuffer();
454 procedure g_Net_Host_CheckPings();
460 Ping
: array [0..9] of Byte;
463 if NetPongSock
= ENET_SOCKET_NULL
then Exit
;
465 Buf
.data
:= Addr(Ping
[0]);
466 Buf
.dataLength
:= 2+8;
470 Len
:= enet_socket_receive(NetPongSock
, @ClAddr
, @Buf
, 1);
471 if Len
< 0 then Exit
;
473 if (Ping
[0] = Ord('D')) and (Ping
[1] = Ord('F')) then
475 ClTime
:= Int64(Addr(Ping
[2])^);
478 NetOut
.Write(Byte(Ord('D')));
479 NetOut
.Write(Byte(Ord('F')));
480 NetOut
.Write(ClTime
);
481 g_Net_Slist_WriteInfo();
483 if gPlayer1
<> nil then Inc(NPl
);
484 if gPlayer2
<> nil then Inc(NPl
);
486 NetOut
.Write(gNumBots
);
488 Buf
.data
:= NetOut
.Data
;
489 Buf
.dataLength
:= NetOut
.CurSize
;
490 enet_socket_send(NetPongSock
, @ClAddr
, @Buf
, 1);
496 function g_Net_Host_Update(): enet_size_t
;
510 g_Net_Host_CheckPings
;
513 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
515 case (NetEvent
.kind
) of
516 ENET_EVENT_TYPE_CONNECT
:
518 IP
:= IpToStr(NetEvent
.Peer
^.address
.host
);
519 Port
:= NetEvent
.Peer
^.address
.port
;
520 g_Console_Add(_lc
[I_NET_MSG
] +
521 Format(_lc
[I_NET_MSG_HOST_CONN
], [IP
, Port
]));
523 if (NetEvent
.data
<> NET_PROTOCOL_VER
) then
525 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
526 _lc
[I_NET_DISC_PROTOCOL
]);
527 NetEvent
.peer
^.data
:= GetMemory(SizeOf(Byte));
528 Byte(NetEvent
.peer
^.data
^) := 255;
529 enet_peer_disconnect(NetEvent
.peer
, NET_DISC_PROTOCOL
);
530 enet_host_flush(NetHost
);
534 ID
:= g_Net_FindSlot();
538 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_HOST_REJECT
] +
539 _lc
[I_NET_DISC_FULL
]);
540 NetEvent
.Peer
^.data
:= GetMemory(SizeOf(Byte));
541 Byte(NetEvent
.peer
^.data
^) := 255;
542 enet_peer_disconnect(NetEvent
.peer
, NET_DISC_FULL
);
543 enet_host_flush(NetHost
);
547 NetClients
[ID
].Peer
:= NetEvent
.peer
;
548 NetClients
[ID
].Peer
^.data
:= GetMemory(SizeOf(Byte));
549 Byte(NetClients
[ID
].Peer
^.data
^) := ID
;
550 NetClients
[ID
].State
:= NET_STATE_AUTH
;
551 NetClients
[ID
].RCONAuth
:= False;
553 enet_peer_timeout(NetEvent
.peer
, ENET_PEER_TIMEOUT_LIMIT
* 2, ENET_PEER_TIMEOUT_MINIMUM
* 2, ENET_PEER_TIMEOUT_MAXIMUM
* 2);
556 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST_ADD
], [ID
]));
559 ENET_EVENT_TYPE_RECEIVE
:
561 ID
:= Byte(NetEvent
.peer
^.data
^);
562 if ID
> High(NetClients
) then Exit
;
563 TC
:= @NetClients
[ID
];
565 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
566 g_Net_HostMsgHandler(TC
, NetEvent
.packet
);
569 ENET_EVENT_TYPE_DISCONNECT
:
571 ID
:= Byte(NetEvent
.peer
^.data
^);
572 if ID
> High(NetClients
) then Exit
;
573 TC
:= @NetClients
[ID
];
574 if TC
= nil then Exit
;
576 if not (TC
^.Used
) then Exit
;
578 TP
:= g_Player_Get(TC
^.Player
);
583 TP
.Kill(K_SIMPLEKILL
, 0, HIT_DISCON
);
584 g_Console_Add(Format(_lc
[I_PLAYER_LEAVE
], [TP
.Name
]), True);
585 e_WriteLog('NET: Client ' + TP
.Name
+ ' [' + IntToStr(ID
) + '] disconnected.', TMsgType
.Notify
);
586 g_Player_Remove(TP
.UID
);
590 TC
^.State
:= NET_STATE_NONE
;
593 TC
^.RequestedFullUpdate
:= False;
595 FreeMemory(NetEvent
.peer
^.data
);
596 NetEvent
.peer
^.data
:= nil;
597 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_HOST_DISC
], [ID
]));
600 if NetUseMaster
then g_Net_Slist_Update
;
607 { /// CLIENT FUNCTIONS /// }
610 procedure g_Net_Disconnect(Forced
: Boolean = False);
612 if NetMode
<> NET_CLIENT
then Exit
;
613 if (NetHost
= nil) or (NetPeer
= nil) then Exit
;
617 enet_peer_disconnect(NetPeer
, NET_DISC_NONE
);
619 while (enet_host_service(NetHost
, @NetEvent
, 1500) > 0) do
621 if (NetEvent
.kind
= ENET_EVENT_TYPE_DISCONNECT
) then
627 if (NetEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
) then
628 enet_packet_destroy(NetEvent
.packet
);
631 if NetPeer
<> nil then
633 enet_peer_reset(NetPeer
);
639 e_WriteLog('NET: Kicked from server: ' + IntToStr(NetEvent
.data
), TMsgType
.Notify
);
640 if (NetEvent
.data
<= NET_DISC_MAX
) then
641 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_KICK
] +
642 _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + NetEvent
.data
)], True);
645 if NetHost
<> nil then
647 enet_host_destroy(NetHost
);
650 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_CLIENT_DISC
]);
653 e_WriteLog('NET: Disconnected', TMsgType
.Notify
);
656 procedure g_Net_Client_Send(Reliable
: Boolean; Chan
: Byte = NET_CHAN_GAME
);
662 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
)
666 P
:= enet_packet_create(NetOut
.Data
, NetOut
.CurSize
, F
);
667 if not Assigned(P
) then Exit
;
669 enet_peer_send(NetPeer
, Chan
, P
);
670 if NetDump
then g_Net_DumpSendBuffer();
675 function g_Net_Client_Update(): enet_size_t
;
678 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
680 case NetEvent
.kind
of
681 ENET_EVENT_TYPE_RECEIVE
:
683 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
684 g_Net_ClientMsgHandler(NetEvent
.packet
);
687 ENET_EVENT_TYPE_DISCONNECT
:
689 g_Net_Disconnect(True);
697 function g_Net_Client_UpdateWhileLoading(): enet_size_t
;
700 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
702 case NetEvent
.kind
of
703 ENET_EVENT_TYPE_RECEIVE
:
705 if NetDump
then g_Net_DumpRecvBuffer(NetEvent
.packet
^.data
, NetEvent
.packet
^.dataLength
);
706 g_Net_ClientLightMsgHandler(NetEvent
.packet
);
709 ENET_EVENT_TYPE_DISCONNECT
:
711 g_Net_Disconnect(True);
720 function g_Net_Connect(IP
: string; Port
: enet_uint16
): Boolean;
724 if NetMode
<> NET_NONE
then
726 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_ERR_INGAME
], True);
733 g_Console_Add(_lc
[I_NET_MSG
] + Format(_lc
[I_NET_MSG_CLIENT_CONN
],
735 if not NetInitDone
then
737 if (not g_Net_Init()) then
739 g_Console_Add(_lc
[I_NET_MSG_FERROR
] + _lc
[I_NET_ERR_ENET
], True);
747 NetHost
:= enet_host_create(nil, 1, NET_CHANS
, 0, 0);
749 if (NetHost
= nil) then
751 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CLIENT
], True);
757 enet_address_set_host(@NetAddr
, PChar(Addr(IP
[1])));
758 NetAddr
.port
:= Port
;
760 NetPeer
:= enet_host_connect(NetHost
, @NetAddr
, NET_CHANS
, NET_PROTOCOL_VER
);
762 if (NetPeer
= nil) then
764 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CLIENT
], True);
765 enet_host_destroy(NetHost
);
774 while (enet_host_service(NetHost
, @NetEvent
, 0) > 0) do
776 if (NetEvent
.kind
= ENET_EVENT_TYPE_CONNECT
) then
778 g_Console_Add(_lc
[I_NET_MSG
] + _lc
[I_NET_MSG_CLIENT_DONE
]);
779 NetMode
:= NET_CLIENT
;
781 enet_peer_timeout(NetPeer
, ENET_PEER_TIMEOUT_LIMIT
* 2, ENET_PEER_TIMEOUT_MINIMUM
* 2, ENET_PEER_TIMEOUT_MAXIMUM
* 2);
783 NetClientPort
:= Port
;
790 ProcessLoading(true);
794 if e_KeyPressed(IK_ESCAPE
) or e_KeyPressed(IK_SPACE
) then
798 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_TIMEOUT
], True);
799 if NetPeer
<> nil then enet_peer_reset(NetPeer
);
800 if NetHost
<> nil then
802 enet_host_destroy(NetHost
);
809 function IpToStr(IP
: LongWord): string;
814 Result
:= IntToStr(PByte(Ptr
+ 0)^) + '.';
815 Result
:= Result
+ IntToStr(PByte(Ptr
+ 1)^) + '.';
816 Result
:= Result
+ IntToStr(PByte(Ptr
+ 2)^) + '.';
817 Result
:= Result
+ IntToStr(PByte(Ptr
+ 3)^);
820 function StrToIp(IPstr
: string; var IP
: LongWord): Boolean;
824 Result
:= enet_address_set_host(@EAddr
, PChar(@IPstr
[1])) = 0;
828 function g_Net_Client_ByName(Name
: string): pTNetClient
;
834 for a
:= Low(NetClients
) to High(NetClients
) do
835 if (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
837 pl
:= g_Player_Get(NetClients
[a
].Player
);
838 if pl
= nil then continue
;
839 if Copy(LowerCase(pl
.Name
), 1, Length(Name
)) <> LowerCase(Name
) then continue
;
840 if NetClients
[a
].Peer
<> nil then
842 Result
:= @NetClients
[a
];
848 function g_Net_Client_ByPlayer(PID
: Word): pTNetClient
;
853 for a
:= Low(NetClients
) to High(NetClients
) do
854 if (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
855 if NetClients
[a
].Player
= PID
then
857 Result
:= @NetClients
[a
];
862 function g_Net_ClientName_ByID(ID
: Integer): string;
868 if ID
= NET_EVERYONE
then
870 for a
:= Low(NetClients
) to High(NetClients
) do
871 if (NetClients
[a
].ID
= ID
) and (NetClients
[a
].Used
) and (NetClients
[a
].State
= NET_STATE_GAME
) then
873 pl
:= g_Player_Get(NetClients
[a
].Player
);
874 if pl
= nil then Exit
;
879 procedure g_Net_SendData(Data
:AByte
; peer
: pENetPeer
; Reliable
: Boolean; Chan
: Byte = NET_CHAN_DOWNLOAD
);
883 dataLength
: Cardinal;
885 dataLength
:= Length(Data
);
888 F
:= LongWord(ENET_PACKET_FLAG_RELIABLE
)
892 if (peer
<> nil) then
894 P
:= enet_packet_create(@Data
[0], dataLength
, F
);
895 if not Assigned(P
) then Exit
;
896 enet_peer_send(peer
, Chan
, P
);
900 P
:= enet_packet_create(@Data
[0], dataLength
, F
);
901 if not Assigned(P
) then Exit
;
902 enet_host_broadcast(NetHost
, Chan
, P
);
905 enet_host_flush(NetHost
);
908 function g_Net_Wait_Event(msgId
: Word): TMemoryStream
;
910 downloadEvent
: ENetEvent
;
914 msgStream
: TMemoryStream
;
916 FillChar(downloadEvent
, SizeOf(downloadEvent
), 0);
921 while (enet_host_service(NetHost
, @downloadEvent
, 0) > 0) do
923 if (downloadEvent
.kind
= ENET_EVENT_TYPE_RECEIVE
) then
925 Ptr
:= downloadEvent
.packet
^.data
;
929 if (MID
= msgId
) then
931 msgStream
:= TMemoryStream
.Create
;
932 msgStream
.SetSize(downloadEvent
.packet
^.dataLength
);
933 msgStream
.WriteBuffer(Ptr
^, downloadEvent
.packet
^.dataLength
);
934 msgStream
.Seek(0, soFromBeginning
);
937 enet_packet_destroy(downloadEvent
.packet
);
941 enet_packet_destroy(downloadEvent
.packet
);
945 if (downloadEvent
.kind
= ENET_EVENT_TYPE_DISCONNECT
) then
947 if (downloadEvent
.data
<= NET_DISC_MAX
) then
948 g_Console_Add(_lc
[I_NET_MSG_ERROR
] + _lc
[I_NET_ERR_CONN
] + ' ' +
949 _lc
[TStrings_Locale(Cardinal(I_NET_DISC_NONE
) + downloadEvent
.data
)], True);
955 ProcessLoading(true);
959 if e_KeyPressed(IK_ESCAPE
) or e_KeyPressed(IK_SPACE
) then
965 function g_Net_IsHostBanned(IP
: LongWord; Perm
: Boolean = False): Boolean;
970 if NetBannedHosts
= nil then
972 for I
:= 0 to High(NetBannedHosts
) do
973 if (NetBannedHosts
[I
].IP
= IP
) and ((not Perm
) or (NetBannedHosts
[I
].Perm
)) then
980 procedure g_Net_BanHost(IP
: LongWord; Perm
: Boolean = True); overload
;
986 if g_Net_IsHostBanned(IP
, Perm
) then
990 for I
:= Low(NetBannedHosts
) to High(NetBannedHosts
) do
991 if NetBannedHosts
[I
].IP
= 0 then
999 SetLength(NetBannedHosts
, Length(NetBannedHosts
) + 1);
1000 P
:= High(NetBannedHosts
);
1003 NetBannedHosts
[P
].IP
:= IP
;
1004 NetBannedHosts
[P
].Perm
:= Perm
;
1007 procedure g_Net_BanHost(IP
: string; Perm
: Boolean = True); overload
;
1012 b
:= StrToIp(IP
, a
);
1014 g_Net_BanHost(a
, Perm
);
1017 procedure g_Net_UnbanNonPermHosts();
1021 if NetBannedHosts
= nil then
1023 for I
:= Low(NetBannedHosts
) to High(NetBannedHosts
) do
1024 if (NetBannedHosts
[I
].IP
> 0) and not NetBannedHosts
[I
].Perm
then
1026 NetBannedHosts
[I
].IP
:= 0;
1027 NetBannedHosts
[I
].Perm
:= True;
1031 function g_Net_UnbanHost(IP
: string): Boolean; overload
;
1035 Result
:= StrToIp(IP
, a
);
1037 Result
:= g_Net_UnbanHost(a
);
1040 function g_Net_UnbanHost(IP
: LongWord): Boolean; overload
;
1047 if NetBannedHosts
= nil then
1049 for I
:= 0 to High(NetBannedHosts
) do
1050 if NetBannedHosts
[I
].IP
= IP
then
1052 NetBannedHosts
[I
].IP
:= 0;
1053 NetBannedHosts
[I
].Perm
:= True;
1055 // no break here to clear all bans of this host, perm and non-perm
1059 procedure g_Net_SaveBanList();
1064 Assign(F
, DataDir
+ BANLIST_FILENAME
);
1066 if NetBannedHosts
<> nil then
1067 for I
:= 0 to High(NetBannedHosts
) do
1068 if NetBannedHosts
[I
].Perm
and (NetBannedHosts
[I
].IP
> 0) then
1069 Writeln(F
, IpToStr(NetBannedHosts
[I
].IP
));
1073 procedure g_Net_DumpStart();
1075 if NetMode
= NET_SERVER
then
1076 NetDumpFile
:= createDiskFile(NETDUMP_FILENAME
+ '_server')
1078 NetDumpFile
:= createDiskFile(NETDUMP_FILENAME
+ '_client');
1081 procedure g_Net_DumpSendBuffer();
1083 writeInt(NetDumpFile
, gTime
);
1084 writeInt(NetDumpFile
, LongWord(NetOut
.CurSize
));
1085 writeInt(NetDumpFile
, Byte(1));
1086 NetDumpFile
.WriteBuffer(NetOut
.Data
^, NetOut
.CurSize
);
1089 procedure g_Net_DumpRecvBuffer(Buf
: penet_uint8
; Len
: LongWord);
1091 if (Buf
= nil) or (Len
= 0) then Exit
;
1092 writeInt(NetDumpFile
, gTime
);
1093 writeInt(NetDumpFile
, Len
);
1094 writeInt(NetDumpFile
, Byte(0));
1095 NetDumpFile
.WriteBuffer(Buf
^, Len
);
1098 procedure g_Net_DumpEnd();
1106 NetIn
.Alloc(NET_BUFSIZE
);
1107 NetOut
.Alloc(NET_BUFSIZE
);