hedgewars/fIPC.pas
author unc0rr
Mon, 22 Aug 2005 15:06:42 +0000
changeset 2 4eeab397c3c6
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child 4 bcbd7adb4e4b
permissions -rw-r--r--
- Support for forts game mode option. Works for demos, frontend doesn't support it. - Updated copyright info for forts
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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 fIPC;{$J+}
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interface
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uses Messages, WinSock, Windows;
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const
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      IN_IPC_PORT  = 46631;
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      WM_ASYNC_IPCEVENT = WM_USER + 1;
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function InitIPCServer: boolean;
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procedure SendIPC(s: shortstring);
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procedure IPCEvent(sock: TSocket; lParam: LPARAM);
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var DemoFileName: string;
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implementation
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uses fGUI, fMisc, fNet, uConsts, fGame, SysUtils, fConsts;
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var hIPCListenSockTCP : TSocket = INVALID_SOCKET;
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    hIPCServerSocket  : TSocket = INVALID_SOCKET;
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function InitIPCServer: boolean;
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var myaddrTCP: TSockAddrIn;
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    t: integer;
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begin
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Result:= false;
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hIPCListenSockTCP:= socket(AF_INET, SOCK_STREAM, 0);
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myaddrTCP.sin_family      := AF_INET;
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myaddrTCP.sin_addr.s_addr := $0100007F;
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myaddrTCP.sin_port        := htons(IN_IPC_PORT);
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t:= sizeof(TSockAddrIn);
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if (   bind(hIPCListenSockTCP, myaddrTCP, t) <> 0) then exit;
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if ( listen(hIPCListenSockTCP, 1)            <> 0) then exit;
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WSAAsyncSelect(hIPCListenSockTCP, hwndMain, WM_ASYNC_IPCEVENT, FD_ACCEPT or FD_READ or FD_CLOSE);
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Result:= true
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end;
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procedure SendIPC(s: shortstring);
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begin
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if hIPCServerSocket <> INVALID_SOCKET then
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   begin
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   send(hIPCServerSocket, s[0], Succ(byte(s[0])), 0);
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   if fWriteDemo then
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      if not((Length(s) > 5) and (copy(s, 1, 5) = 'ebind')) then
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         WriteRawToDemo(s)
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   end;
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end;
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procedure SendConfig;
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const cBufLength = $10000;
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{$INCLUDE revision.inc}
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var f: file;
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    buf: array[0..Pred(cBufLength)] of byte;
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    i, t: integer;
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    s: shortstring;
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    sbuf:string;
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begin
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SendIPC('WFrontend svn ' + cRevision);
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SendIPC(format('e$sound %d',[SendMessage(HSetSndCheck, BM_GETCHECK, 0, 0)]));
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case GameType of
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    gtLocal: begin
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             SendIPC(format('e$gmflags %d',[0]));
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             SendIPC('eaddteam');
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             ExecCFG(Pathz[ptTeams] + 'unC0Rr.cfg');
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             SendIPC('ecolor 65535');
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             SendIPC('eadd hh0 0');
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             SendIPC('eadd hh1 0');
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             SendIPC('eadd hh2 0');
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             SendIPC('eadd hh3 0');
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             SendIPC('eaddteam');
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             ExecCFG(Pathz[ptTeams] + 'test.cfg');
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             SendIPC('eadd hh0 1');
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             SendIPC('eadd hh1 1');
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             SendIPC('eadd hh2 1');
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             SendIPC('eadd hh3 1');
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             SendIPC('ecolor 16776960');
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             end;
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     gtDemo: begin
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             AssignFile(f, DemoFileName);
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             {$I-}
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             Reset(f, 1);
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             if IOResult <> 0 then
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                begin
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                SendIPC('ECannot open file: "' + Pathz[ptDemos] + sbuf + '"');
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                exit;
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                end;
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             s:= 'TD';
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             s[0]:= #6;
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             PLongWord(@s[3])^:= FileSize(f);
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             SendIPC(s);  // посылаем тип игры - демо и размер демки
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             BlockRead(f, buf, cBufLength, t); // вырезаем seed
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             i:= 0;
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             while (chr(buf[i]) <> cDemoSeedSeparator)and (i < t) do inc(i);
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             inc(i);
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             // посылаем остаток файла
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             repeat
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             while i < t do
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                   begin
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                   CopyMemory(@s[0], @buf[i], Succ(buf[i]));
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                   SendIPC(s);
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                   inc(i, buf[i]);
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                   inc(i)
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                   end;
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             i:= 0;
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             BlockRead(f, buf, cBufLength, t);
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             until t = 0;
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             Closefile(f);
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             {$I+}
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             end;
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     gtNet: SendNet('C');
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     end;
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end;
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procedure ParseIPCCommand(s: shortstring);
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begin
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case s[1] of
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     '?': if GameType = gtNet then SendNet('?') else SendIPC('!');
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     'C': SendConfig;
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     else if GameType = gtNet then SendNet(s);
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          if fWriteDemo and (s[1] <> '+') then WriteRawToDemo(s)
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     end;
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end;
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procedure IPCEvent(sock: TSocket; lParam: LPARAM);
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const sipc: 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;
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             exit
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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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                sipc:= sipc + s;
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                SplitStream2Commands(sipc, ParseIPCCommand);
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                end;
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             until i < 1;
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             end;
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 FD_ACCEPT:  hIPCServerSocket:= accept(hIPCListenSockTCP, nil, nil);
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   end
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end;
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end.