hedgewars/uFLNet.pas
author unc0rr
Sun, 17 May 2015 00:14:30 +0300
branchqmlfrontend
changeset 10933 f1da4126a61c
parent 10931 384765cd0caf
child 10935 3a65fcd7c335
permissions -rw-r--r--
Some more work on flib network
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unit uFLNet;
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interface
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procedure connectOfficialServer;
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procedure initModule;
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procedure freeModule;
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implementation
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uses SDLh;
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const endCmd: array[0..1] of char = (#10, #10);
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function getNextChar: char; forward;
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function getCurrChar: char; forward;
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procedure sendNet(s: shortstring); forward;
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type TCmdType = (cmd___UNKNOWN__, cmd_WARNING, cmd_TEAM_COLOR, cmd_TEAM_ACCEPTED, cmd_SERVER_VARS, cmd_SERVER_MESSAGE, cmd_SERVER_AUTH, cmd_RUN_GAME, cmd_ROUND_FINISHED, cmd_ROOMS, cmd_PROTO, cmd_PING, cmd_NOTICE, cmd_NICK, cmd_LOBBY_LEFT, cmd_LOBBY_JOINED, cmd_LEFT, cmd_KICKED, cmd_JOINING, cmd_JOINED, cmd_INFO, cmd_HH_NUM, cmd_EM, cmd_CONNECTED, cmd_CLIENT_FLAGS, cmd_CHAT, cmd_BYE, cmd_BANLIST, cmd_ASKPASSWORD);
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type
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    TNetState = (netDisconnected, netConnecting, netLoggedIn);
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    TParserState = record
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                       cmd: TCmdType;
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                       l: LongInt;
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                       netState: TNetState;
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                       buf: shortstring;
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                       bufpos: byte;
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                   end;
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    PHandler = procedure;
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var state: TParserState;
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// generated stuff here
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const letters: array[0..206] of char = ('A', 'S', 'K', 'P', 'A', 'S', 'S', 'W', 'O', 'R', 'D', #10, 'B', 'A', 'N', 'L', 'I', 'S', 'T', #10, 'Y', 'E', #10, 'C', 'H', 'A', 'T', #10, 'L', 'I', 'E', 'N', 'T', '_', 'F', 'L', 'A', 'G', 'S', #10, 'O', 'N', 'N', 'E', 'C', 'T', 'E', 'D', #10, 'E', 'M', #10, 'H', 'H', '_', 'N', 'U', 'M', #10, 'I', 'N', 'F', 'O', #10, 'J', 'O', 'I', 'N', 'E', 'D', #10, 'I', 'N', 'G', #10, 'K', 'I', 'C', 'K', 'E', 'D', #10, 'L', 'E', 'F', 'T', #10, 'O', 'B', 'B', 'Y', ':', 'J', 'O', 'I', 'N', 'E', 'D', #10, 'L', 'E', 'F', 'T', #10, 'N', 'I', 'C', 'K', #10, 'O', 'T', 'I', 'C', 'E', #10, 'P', 'I', 'N', 'G', #10, 'R', 'O', 'T', 'O', #10, 'R', 'O', 'O', 'M', 'S', #10, 'U', 'N', 'D', '_', 'F', 'I', 'N', 'I', 'S', 'H', 'E', 'D', #10, 'U', 'N', '_', 'G', 'A', 'M', 'E', #10, 'S', 'E', 'R', 'V', 'E', 'R', '_', 'A', 'U', 'T', 'H', #10, 'M', 'E', 'S', 'S', 'A', 'G', 'E', #10, 'V', 'A', 'R', 'S', #10, 'T', 'E', 'A', 'M', '_', 'A', 'C', 'C', 'E', 'P', 'T', 'E', 'D', #10, 'C', 'O', 'L', 'O', 'R', #10, 'W', 'A', 'R', 'N', 'I', 'N', 'G', #10, #0, #10);
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const commands: array[0..206] of integer = (12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -38, 11, 7, 0, 0, 0, 0, 0, -37, 0, 0, -36, 26, 4, 0, 0, -35, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -34, 0, 0, 0, 0, 0, 0, 0, 0, -33, 3, 0, -32, 7, 0, 0, 0, 0, 0, -31, 5, 0, 0, 0, -30, 11, 0, 0, 0, 3, 0, -29, 0, 0, 0, -28, 7, 0, 0, 0, 0, 0, -27, 22, 4, 0, 0, -26, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, -25, 0, 0, 0, 0, -24, 11, 4, 0, 0, -23, 0, 0, 0, 0, 0, -22, 10, 4, 0, 0, -21, 0, 0, 0, 0, -20, 27, 18, 4, 0, 0, -19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -18, 0, 0, 0, 0, 0, 0, 0, -17, 25, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, -16, 8, 0, 0, 0, 0, 0, 0, -15, 0, 0, 0, 0, -14, 20, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, -13, 0, 0, 0, 0, 0, -12, 8, 0, 0, 0, 0, 0, 0, -11, 0, -10);
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procedure handler_ASKPASSWORD;
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begin
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end;
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procedure handler_BANLIST;
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begin
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end;
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procedure handler_BYE;
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begin
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end;
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procedure handler_CHAT;
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begin
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end;
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procedure handler_CLIENT_FLAGS;
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begin
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end;
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procedure handler_CONNECTED;
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begin
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end;
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procedure handler_EM;
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begin
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end;
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procedure handler_HH_NUM;
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begin
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end;
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procedure handler_INFO;
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begin
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end;
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procedure handler_JOINED;
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begin
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end;
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procedure handler_JOINING;
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begin
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end;
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procedure handler_KICKED;
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begin
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end;
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procedure handler_LEFT;
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begin
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end;
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procedure handler_LOBBY_JOINED;
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begin
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end;
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procedure handler_LOBBY_LEFT;
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begin
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end;
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procedure handler_NICK;
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begin
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end;
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procedure handler_NOTICE;
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begin
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end;
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procedure handler_PING;
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begin
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    sendNet('PONG')
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end;
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procedure handler_PROTO;
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begin
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end;
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procedure handler_ROOMS;
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begin
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end;
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procedure handler_ROUND_FINISHED;
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begin
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end;
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procedure handler_RUN_GAME;
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begin
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end;
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procedure handler_SERVER_AUTH;
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begin
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end;
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procedure handler_SERVER_MESSAGE;
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begin
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end;
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procedure handler_SERVER_VARS;
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begin
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end;
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procedure handler_TEAM_ACCEPTED;
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begin
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end;
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procedure handler_TEAM_COLOR;
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begin
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end;
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procedure handler_WARNING;
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begin
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end;
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procedure handler___UNKNOWN__;
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begin
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    writeln('[NET] Unknown cmd');
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end;
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const handlers: array[0..28] of PHandler = (@handler___UNKNOWN__, @handler_WARNING, @handler_TEAM_COLOR, @handler_TEAM_ACCEPTED, @handler_SERVER_VARS, @handler_SERVER_MESSAGE, @handler_SERVER_AUTH, @handler_RUN_GAME, @handler_ROUND_FINISHED, @handler_ROOMS, @handler_PROTO, @handler_PING, @handler_NOTICE, @handler_NICK, @handler_LOBBY_LEFT, @handler_LOBBY_JOINED, @handler_LEFT, @handler_KICKED, @handler_JOINING, @handler_JOINED, @handler_INFO, @handler_HH_NUM, @handler_EM, @handler_CONNECTED, @handler_CLIENT_FLAGS, @handler_CHAT, @handler_BYE, @handler_BANLIST, @handler_ASKPASSWORD);
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// end of generated stuff
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procedure handleTail;
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var cnt: Longint;
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    c: char;
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begin
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    state.l:= 0;
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    c:= getCurrChar;
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    repeat
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        if c = #10 then cnt:= 0 else cnt:= 1;
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        repeat
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            c:= getNextChar;
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            inc(cnt)
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        until (c = #0) or (c = #10);
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    until (c = #0) or (cnt = 1)
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end;
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var sock: PTCPSocket;
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    netReaderThread: PSDL_Thread;
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function getCurrChar: char;
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begin
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    getCurrChar:= state.buf[state.bufpos]
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end;
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function getNextChar: char;
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var r: byte;
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begin
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    if state.bufpos < byte(state.buf[0]) then
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    begin
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        inc(state.bufpos);
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    end else
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    begin
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        r:= SDLNet_TCP_Recv(sock, @state.buf[1], 255);
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        if r > 0 then
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        begin
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            state.bufpos:= 1;
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            state.buf[0]:= char(r);
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        end else
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        begin
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            state.bufpos:= 0;
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            state.buf[0]:= #0;
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        end
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    end;
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    getNextChar:= state.buf[state.bufpos];
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end;
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function netWriter(sock: PTCPSocket): LongInt; cdecl; export;
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begin
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    netWriter:= 0;
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end;
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function netReader(data: pointer): LongInt; cdecl; export;
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var c: char;
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    ipaddr: TIPAddress;
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begin
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    netReader:= 0;
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    if SDLNet_ResolveHost(ipaddr, PChar('netserver.hedgewars.org'), 46631) = 0 then
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        sock:= SDLNet_TCP_Open(ipaddr);
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    SDL_CreateThread(@netWriter{$IFDEF SDL2}, 'netWriter'{$ENDIF}, sock);
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    repeat
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        c:= getNextChar;
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        //writeln('>>>>> ', c, ' [', letters[state.l], '] ', commands[state.l]);
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        if c = #0 then
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            state.netState:= netDisconnected
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        else
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        begin
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            while (letters[state.l] <> c) and (commands[state.l] > 0) do
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                inc(state.l, commands[state.l]);
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            if c = letters[state.l] then
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                if commands[state.l] < 0 then
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                begin
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                    state.cmd:= TCmdType(-10 - commands[state.l]);
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                    writeln('[NET] ', state.cmd);
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                    handlers[-10 - commands[state.l]]();
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                    handleTail()
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                end
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                else
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                    inc(state.l)
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            else
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            begin
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                handler___UNKNOWN__();
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                handleTail()
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            end
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        end
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    until state.netState = netDisconnected;
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    sock:= nil;
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    writeln('[NET] netReader: disconnected');
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end;
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procedure sendNet(s: shortstring);
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begin
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    writeln('[NET] Send: ', s);
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    SDLNet_TCP_Send(sock, @s[1], byte(s[0]));
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    SDLNet_TCP_Send(sock, @endCmd, 2);
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end;
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procedure connectOfficialServer;
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begin
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    if sock <> nil then
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        exit;
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    state.bufpos:= 0;
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    state.buf:= '';
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    state.l:= 0;
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    state.netState:= netConnecting;
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    netReaderThread:= SDL_CreateThread(@netReader{$IFDEF SDL2}, 'netReader'{$ENDIF}, nil);
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end;
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procedure initModule;
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begin
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    sock:= nil;
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    SDLNet_Init;
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end;
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procedure freeModule;
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begin
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end;
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end.