hedgewars/fNet.pas
author unc0rr
Sun, 13 Nov 2005 22:13:58 +0000
changeset 21 dff476dcaaa3
parent 4 bcbd7adb4e4b
permissions -rw-r--r--
- Many improvements to frontend - Small optimization of generating random data in uRandom.pas
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(*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2004, 2005 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * Distributed under the terms of the BSD-modified licence:
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * with the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *)
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unit fNet;{$J+}
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interface
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uses Messages, WinSock, Windows;
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const
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      NET_PORT = 46632;
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      WM_ASYNC_NETEVENT = WM_USER + 2;
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procedure SendNet(s: shortstring);
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procedure SendNetAndWait(s: shortstring);
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procedure NetConnect;
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procedure NetEvent(sock: TSocket; lParam: LPARAM);
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var
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    TeamCount: LongWord;
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implementation
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uses fGUI, fMisc, fGame, fIPC, uConsts, IniFiles, SysUtils;
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var
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    hNetClientSocket: TSocket = INVALID_SOCKET;
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    isPonged: boolean;
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procedure SendNet(s: shortstring);
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begin
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if hNetClientSocket <> INVALID_SOCKET then
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   send(hNetClientSocket, s[0], Succ(byte(s[0])), 0)
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end;
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procedure SendNetAndWait(s: shortstring);
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begin
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SendNet(s);
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SendNet('?');
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isPonged:= false;
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repeat
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  ProcessMessages;
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  sleep(1)
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until isPonged
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end;
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procedure ParseNetCommand(s: shortstring);
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var sbuf : string;
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begin
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case s[1] of
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     '?': SendNet('!');
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     'i': begin
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          sbuf:= GetWindowTextStr(HNetNameEdit);
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          SendNet('n' + sbuf);;
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          end;
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     'z': begin
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          seed:= copy(s, 2, length(s) - 1)
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          end;
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     'G': begin
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          GameType:= gtNet;
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          GameStart
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          end;
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     '@': ExecCFG(Pathz[ptTeams] + 'unC0Rr.cfg');
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     '!': begin
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          isPonged:= true;
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          SendIPC('!');
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          end;
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     'T': TeamCount:= PLongWord(@s[2])^
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     else SendIPC(s) end;
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end;
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procedure NetConnect;
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var rmaddr: SOCKADDR_IN;
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    inif: TIniFile;
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    sbuf1,sbuf2: string;
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begin
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sbuf1:= GetWindowTextStr(HNetIPEdit);
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inif:= TIniFile.Create(ExtractFilePath(ParamStr(0))+'hw.ini');
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inif.WriteString('Net','IP' , sbuf1);
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sbuf2:= GetWindowTextStr(HNetNameEdit);
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inif.WriteString('Net','Nick', sbuf2);
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inif.Free;
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SetWindowText(HNetConnectionStatic,'Connecting...');
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rmaddr.sin_family      := AF_INET;
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rmaddr.sin_addr.s_addr := inet_addr(PChar(sbuf1));
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rmaddr.sin_port        := htons(NET_PORT);
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hNetClientSocket:= socket(AF_INET, SOCK_STREAM, 0);
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if INVALID_SOCKET = hNetClientSocket then
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   begin
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   MessageBox(hwndMain,'connect failed','failed',MB_OK);
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   SetWindowText(HNetConnectionStatic,'Error on connect');
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   exit
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   end;
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WSAAsyncSelect(hNetClientSocket, hwndMain, WM_ASYNC_NETEVENT, FD_CONNECT or FD_READ or FD_CLOSE);
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connect(hNetClientSocket, rmaddr, sizeof(rmaddr))
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end;
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procedure NetEvent(sock: TSocket; lParam: LPARAM);
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const snet: string = '';
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var WSAEvent: word;
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    i: integer;
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    buf: array[0..255] of byte;
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    s: shortstring absolute buf;
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begin
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WSAEvent:= WSAGETSELECTEVENT(lParam);
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case WSAEvent of
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   FD_CLOSE: begin
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             closesocket(sock);
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//           hIPCServerSocket:= INVALID_SOCKET;      гм-гм... FIXME: что-то тут должно быть имхо
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             SetWindowText(HNetConnectionStatic, 'Disconnected');
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             GameType:= gtLocal
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             end;
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    FD_READ: begin
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             repeat
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             i:= recv(sock, buf[1], 255, 0);
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             if i > 0 then
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                begin
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                buf[0]:= i;
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                snet:= snet + s;
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                SplitStream2Commands(snet, ParseNetCommand);
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                end;
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             until i < 1
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             end;
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 FD_CONNECT: begin
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             i:= WSAGETSELECTERROR(lParam);
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             if i<>0 then
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                begin
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                closesocket(sock);
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                MessageBox(hwndMain,'Error on connect', 'Error', MB_OK);
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                SetWindowText(HNetConnectionStatic, 'Error on connect')
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                end else
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                begin
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                SetWindowText(HNetConnectionStatic,'connected');
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                GameType:= gtNet
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                end;
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             end
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    end
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end;
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end.