hedgewars/ArgParsers.pas
author sheepluva
Fri, 29 Nov 2013 18:46:32 +0100
changeset 9723 31d10d684e90
parent 9309 7e8f91634f80
child 9521 8054d9d775fd
child 9988 317d46a2afd2
permissions -rw-r--r--
whip: visual enhancements (hat'n'dust) as suggested by nemo
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2013 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit ArgParsers;
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interface
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{$IFNDEF HWLIBRARY}
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procedure GetParams;
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{$ELSE}
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procedure parseCommandLine(argc: LongInt; argv: PPChar);
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{$ENDIF}
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implementation
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uses uVariables, uTypes, uUtils, uSound, uConsts;
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var isInternal: Boolean {$IFDEF HWLIBRARY} = true{$ENDIF};
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procedure GciEasterEgg;
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begin
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    WriteLn(stdout, '                                                                ');
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    WriteLn(stdout, '      /\\\\\\\\\\\\        /\\\\\\\\\  /\\\\\\\\\\\             ');
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    WriteLn(stdout, '     /\\\//////////      /\\\////////  \/////\\\///             ');
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    WriteLn(stdout, '     /\\\               /\\\/               \/\\\               ');
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    WriteLn(stdout, '     \/\\\    /\\\\\\\  /\\\                 \/\\\              ');
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    WriteLn(stdout, '      \/\\\   \/////\\\ \/\\\                 \/\\\             ');
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    WriteLn(stdout, '       \/\\\       \/\\\ \//\\\                \/\\\            ');
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    WriteLn(stdout, '        \/\\\       \/\\\  \///\\\              \/\\\           ');
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    WriteLn(stdout, '         \/\\\\\\\\\\\\\/     \////\\\\\\\\\  /\\\\\\\\\\\      ');
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    WriteLn(stdout, '          \/////////////          \/////////  \///////////      ');
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    WriteLn(stdout, '                                                                ');
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    WriteLn(stdout, ' Command Line Parser Implementation by a Google Code-In Student ');
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    WriteLn(stdout, '             ASCII Art easter egg idea by @sheepluva            ');
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    WriteLn(stdout, '                                                                ');
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end;
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procedure DisplayUsage;
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begin
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    WriteLn(stdout, 'Usage: hwengine <path to replay file> [options]');
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    WriteLn(stdout, '');
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    WriteLn(stdout, 'where [options] can be any of the following:');
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    WriteLn(stdout, ' --prefix [path to folder]');
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    WriteLn(stdout, ' --user-prefix [path to folder]');
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    WriteLn(stdout, ' --locale [name of language file]');
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    WriteLn(stdout, ' --nick [string]');
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    WriteLn(stdout, ' --fullscreen-width [fullscreen width in pixels]');
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    WriteLn(stdout, ' --fullscreen-height [fullscreen height in pixels]');
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    WriteLn(stdout, ' --width [window width in pixels]');
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    WriteLn(stdout, ' --height [window height in pixels]');
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    WriteLn(stdout, ' --volume [sound level]');
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    WriteLn(stdout, ' --frame-interval [milliseconds]');
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    Writeln(stdout, ' --stereo [value]');
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    WriteLn(stdout, ' --raw-quality [flags]');
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    WriteLn(stdout, ' --low-quality');
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    WriteLn(stdout, ' --nomusic');
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    WriteLn(stdout, ' --nosound');
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    WriteLn(stdout, ' --fullscreen');
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    WriteLn(stdout, ' --showfps');
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    WriteLn(stdout, ' --altdmg');
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    WriteLn(stdout, ' --no-teamtag');
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    WriteLn(stdout, ' --no-hogtag');
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    WriteLn(stdout, ' --no-healthtag');
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    WriteLn(stdout, ' --translucent-tags');
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    WriteLn(stdout, ' --stats-only');
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    WriteLn(stdout, ' --help');
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    WriteLn(stdout, '');
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    WriteLn(stdout, 'For more detailed help and examples go to:');
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    WriteLn(stdout, 'http://code.google.com/p/hedgewars/wiki/CommandLineOptions');
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    GameType:= gmtSyntax;
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end;
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procedure setDepth(var paramIndex: LongInt);
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begin
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    WriteLn(stdout, 'WARNING: --depth is a deprecated command, which could be removed in a future version!');
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    WriteLn(stdout, '         This option no longer does anything, please consider removing it');
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    WriteLn(stdout, '');
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   inc(ParamIndex);
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end;
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procedure statsOnlyGame;
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begin
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    cOnlyStats:= true;
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    cReducedQuality:= $FFFFFFFF xor rqLowRes;
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    SetSound(false);
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    SetMusic(false);
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    SetVolume(0);
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end;
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procedure setIpcPort(port: LongInt; var wrongParameter:Boolean);
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begin
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    if isInternal then
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        ipcPort := port
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    else
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        begin
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        WriteLn(stderr, 'ERROR: use of --port is not allowed');
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        wrongParameter := true;
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        end
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end;
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function parseNick(nick: String): String;
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begin
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    if isInternal then
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        parseNick:= DecodeBase64(nick)
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    else
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        parseNick:= nick;
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end;
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procedure setStereoMode(tmp: LongInt);
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begin
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    GrayScale:= false;
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{$IFDEF USE_S3D_RENDERING}
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    if (tmp > 6) and (tmp < 13) then
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        begin
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        // set the gray anaglyph rendering
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        GrayScale:= true;
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        cStereoMode:= TStereoMode(max(0, min(ord(high(TStereoMode)), tmp-6)))
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        end
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    else if tmp <= 6 then
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        // set the fullcolor anaglyph
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        cStereoMode:= TStereoMode(max(0, min(ord(high(TStereoMode)), tmp)))
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    else
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        // any other mode
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        cStereoMode:= TStereoMode(max(0, min(ord(high(TStereoMode)), tmp-6)));
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{$ELSE}
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    tmp:= tmp;
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    cStereoMode:= smNone;
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{$ENDIF}
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end;
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procedure startVideoRecording(var paramIndex: LongInt);
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begin
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    // Silence the hint that appears when USE_VIDEO_RECORDING is not defined
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    paramIndex:= paramIndex;
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{$IFDEF USE_VIDEO_RECORDING}
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    GameType:= gmtRecord;
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    inc(paramIndex);
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    cVideoFramerateNum:= StrToInt(ParamStr(paramIndex)); inc(paramIndex);
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    cVideoFramerateDen:= StrToInt(ParamStr(paramIndex)); inc(paramIndex);
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    RecPrefix:= ParamStr(paramIndex);                    inc(paramIndex);
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    cAVFormat:= ParamStr(paramIndex);                    inc(paramIndex);
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    cVideoCodec:= ParamStr(paramIndex);                  inc(paramIndex);
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    cVideoQuality:= StrToInt(ParamStr(paramIndex));      inc(paramIndex);
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    cAudioCodec:= ParamStr(paramIndex);                  inc(paramIndex);
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{$ENDIF}
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end;
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function getLongIntParameter(str:String; var paramIndex:LongInt; var wrongParameter:Boolean): LongInt;
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var tmpInt, c: LongInt;
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begin
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    inc(paramIndex);
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    val(str, tmpInt, c);
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    wrongParameter:= c <> 0;
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    if wrongParameter then
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        WriteLn(stderr, 'ERROR: '+ParamStr(paramIndex-1)+' expects a number, you passed "'+str+'"');
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    getLongIntParameter:= tmpInt;
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end;
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function getStringParameter(str:String; var paramIndex:LongInt; var wrongParameter:Boolean): String;
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begin
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    inc(paramIndex);
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    wrongParameter:= (str='') or (Copy(str,1,2) = '--');
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    if wrongParameter then
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         WriteLn(stderr, 'ERROR: '+ParamStr(paramIndex-1)+' expects a string, you passed "'+str+'"');
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    getStringParameter:= str;
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end;
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procedure parseClassicParameter(cmdArray: Array of String; size:LongInt; var paramIndex:LongInt); Forward;
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function parseParameter(cmd:String; arg:String; var paramIndex:LongInt): Boolean;
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const videoArray: Array [1..5] of String = ('--fullscreen-width','--fullscreen-height', '--width', '--height', '--depth');
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      audioArray: Array [1..3] of String = ('--volume','--nomusic','--nosound');
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      otherArray: Array [1..3] of String = ('--locale','--fullscreen','--showfps');
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      mediaArray: Array [1..10] of String = ('--fullscreen-width', '--fullscreen-height', '--width', '--height', '--depth', '--volume','--nomusic','--nosound','--locale','--fullscreen');
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      allArray: Array [1..18] of String = ('--fullscreen-width','--fullscreen-height', '--width', '--height', '--depth','--volume','--nomusic','--nosound','--locale','--fullscreen','--showfps','--altdmg','--frame-interval','--low-quality','--no-teamtag','--no-hogtag','--no-healthtag','--translucent-tags');
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      reallyAll: array[0..34] of shortstring = (
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                '--prefix', '--user-prefix', '--locale', '--fullscreen-width', '--fullscreen-height', '--width',
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                '--height', '--frame-interval', '--volume','--nomusic', '--nosound',
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                '--fullscreen', '--showfps', '--altdmg', '--low-quality', '--raw-quality', '--stereo', '--nick',
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  {deprecated}  '--depth', '--set-video', '--set-audio', '--set-other', '--set-multimedia', '--set-everything',
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  {internal}    '--internal', '--port', '--recorder', '--landpreview',
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  {misc}        '--stats-only', '--gci', '--help','--no-teamtag','--no-hogtag','--no-healthtag','--translucent-tags');
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var cmdIndex: byte;
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begin
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    parseParameter:= false;
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    cmdIndex:= 0;
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    //NOTE: Any update to the list of parameters must be reflected in the case statement below, the reallyAll array above,
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    //      the the DisplayUsage() procedure, the HWForm::getDemoArguments() function, and the online wiki
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    while (cmdIndex <= High(reallyAll)) and (cmd <> reallyAll[cmdIndex]) do inc(cmdIndex);
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    case cmdIndex of
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        {--prefix}               0 : PathPrefix        := getStringParameter (arg, paramIndex, parseParameter);
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        {--user-prefix}          1 : UserPathPrefix    := getStringParameter (arg, paramIndex, parseParameter);
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        {--locale}               2 : cLocaleFName      := getStringParameter (arg, paramIndex, parseParameter);
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        {--fullscreen-width}     3 : cFullscreenWidth  := max(getLongIntParameter(arg, paramIndex, parseParameter), cMinScreenWidth);
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        {--fullscreen-height}    4 : cFullscreenHeight := max(getLongIntParameter(arg, paramIndex, parseParameter), cMinScreenHeight);
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        {--width}                5 : cWindowedWidth    := max(2 * (getLongIntParameter(arg, paramIndex, parseParameter) div 2), cMinScreenWidth);
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        {--height}               6 : cWindowedHeight   := max(2 * (getLongIntParameter(arg, paramIndex, parseParameter) div 2), cMinScreenHeight);
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        {--frame-interval}       7 : cTimerInterval    := getLongIntParameter(arg, paramIndex, parseParameter);
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        {--volume}               8 : SetVolume          ( max(getLongIntParameter(arg, paramIndex, parseParameter), 0) );
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        {--nomusic}              9 : SetMusic           ( false );
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        {--nosound}             10 : SetSound           ( false );
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        {--fullscreen}          11 : cFullScreen       := true;
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        {--showfps}             12 : cShowFPS          := true;
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        {--altdmg}              13 : cAltDamage        := true;
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        {--low-quality}         14 : cReducedQuality   := $FFFFFFFF xor rqLowRes;
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        {--raw-quality}         15 : cReducedQuality   := getLongIntParameter(arg, paramIndex, parseParameter);
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        {--stereo}              16 : setStereoMode      ( getLongIntParameter(arg, paramIndex, parseParameter) );
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        {--nick}                17 : UserNick          := parseNick( getStringParameter(arg, paramIndex, parseParameter) );
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        {deprecated options}
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        {--depth}               18 : setDepth(paramIndex);
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        {--set-video}           19 : parseClassicParameter(videoArray,5,paramIndex);
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        {--set-audio}           20 : parseClassicParameter(audioArray,3,paramIndex);
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        {--set-other}           21 : parseClassicParameter(otherArray,3,paramIndex);
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        {--set-multimedia}      22 : parseClassicParameter(mediaArray,10,paramIndex);
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        {--set-everything}      23 : parseClassicParameter(allArray,14,paramIndex);
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   233
        {"internal" options}
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        {--internal}            24 : {$IFDEF HWLIBRARY}isInternal:= true{$ENDIF};
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        {--port}                25 : setIpcPort( getLongIntParameter(arg, paramIndex, parseParameter), parseParameter );
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   236
        {--recorder}            26 : startVideoRecording(paramIndex);
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        {--landpreview}         27 : GameType := gmtLandPreview;
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        {anything else}
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        {--stats-only}          28 : statsOnlyGame();
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   240
        {--gci}                 29 : GciEasterEgg();
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   241
        {--help}                30 : DisplayUsage();
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        {--no-teamtag}          31 : cTagsMask := cTagsMask and not htTeamName;
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        {--no-hogtag}           32 : cTagsMask := cTagsMask and not htName;
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        {--no-healthtag}        33 : cTagsMask := cTagsMask and not htHealth;
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        {--translucent-tags}    34 : cTagsMask := cTagsMask or htTransparent 
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   246
    else
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        begin
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        //Asusme the first "non parameter" is the replay file, anything else is invalid
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        if (recordFileName = '') and (Copy(cmd,1,2) <> '--') then
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            recordFileName := cmd
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        else
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            begin
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            WriteLn(stderr, '"'+cmd+'" is not a valid option');
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            parseParameter:= true;
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   255
            end;
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        end;
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    end;
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end;
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procedure parseClassicParameter(cmdArray: Array of String; size:LongInt; var paramIndex:LongInt);
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var index, tmpInt: LongInt;
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    isBool, isValid: Boolean;
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    cmd, arg, newSyntax: String;
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begin
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    WriteLn(stdout, 'WARNING: you are using a deprecated command, which could be removed in a future version!');
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    WriteLn(stdout, '         Consider updating to the latest syntax, which is much more flexible!');
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    WriteLn(stdout, '         Run `hwegine --help` to learn it!');
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    WriteLn(stdout, '');
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   269
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    index:= 0;
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    tmpInt:= 1;
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    while (index < size) do
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        begin
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        newSyntax:= '';
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        inc(paramIndex);
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        cmd:= cmdArray[index];
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        arg:= ParamStr(paramIndex);
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        isValid:= (cmd<>'--depth');
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        // check if the parameter is a boolean one
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        isBool:= (cmd = '--nomusic') or (cmd = '--nosound') or (cmd = '--fullscreen') or (cmd = '--showfps') or (cmd = '--altdmg') or (cmd = '--no-teamtag') or (cmd = '--no-hogtag') or (cmd = '--no-healthtag') or (cmd = '--translucent-tags');
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        if isBool and (arg='0') then
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            isValid:= false;
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        if (cmd='--nomusic') or (cmd='--nosound') then
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            isValid:= not isValid;
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        if isValid then
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            begin
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            parseParameter(cmd, arg, tmpInt);
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            newSyntax := newSyntax + cmd + ' ';
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            if not isBool then
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                newSyntax := newSyntax + arg + ' ';
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            end;
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        inc(index);
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        end;
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    WriteLn(stdout, 'Attempted to automatically convert to the new syntax:');
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    WriteLn(stdout, newSyntax);
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    WriteLn(stdout, '');
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end;
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procedure parseCommandLine{$IFDEF HWLIBRARY}(argc: LongInt; argv: PPChar){$ENDIF};
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var paramIndex: LongInt;
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    paramTotal: LongInt;
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    index, nextIndex: LongInt;
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    wrongParameter: boolean;
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//var tmpInt: LongInt;
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begin
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    paramIndex:= {$IFDEF HWLIBRARY}0{$ELSE}1{$ENDIF};
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    paramTotal:= {$IFDEF HWLIBRARY}argc-1{$ELSE}ParamCount{$ENDIF}; //-1 because pascal enumeration is inclusive
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    (*
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    WriteLn(stdout, 'total parameters: ' + inttostr(paramTotal));
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    tmpInt:= 0;
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    while (tmpInt <= paramTotal) do
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        begin
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        WriteLn(stdout, inttostr(tmpInt) + ': ' + {$IFDEF HWLIBRARY}argv[tmpInt]{$ELSE}paramCount(tmpInt){$ENDIF});
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        inc(tmpInt);
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        end;
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    *)
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    wrongParameter:= false;
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    while (paramIndex <= paramTotal) do
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        begin
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        // avoid going past the number of paramTotal (esp. w/ library)
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        index:= paramIndex;
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        if index = paramTotal then nextIndex:= index
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        else nextIndex:= index+1;
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   327
        {$IFDEF HWLIBRARY}
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        wrongParameter:= parseParameter( argv[index], argv[nextIndex], paramIndex);
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   329
        {$ELSE}
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        wrongParameter:= parseParameter( ParamStr(index), ParamStr(nextIndex), paramIndex);
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        {$ENDIF}
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        inc(paramIndex);
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   333
        end;
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    if wrongParameter = true then
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        GameType:= gmtSyntax;
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   336
end;
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   337
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{$IFNDEF HWLIBRARY}
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   339
procedure GetParams;
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begin
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    isInternal:= (ParamStr(1) = '--internal');
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   342
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    UserPathPrefix := '.';
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    PathPrefix     := cDefaultPathPrefix;
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    recordFileName := '';
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    parseCommandLine();
8308
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   347
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    if (isInternal) and (ParamCount<=1) then
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   349
        begin
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        WriteLn(stderr, '--internal should not be manually used');
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        GameType := gmtSyntax;
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   352
        end;
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   353
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   354
    if (not isInternal) and (recordFileName = '') then
8308
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   355
        begin
8325
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   356
        WriteLn(stderr, 'You must specify a replay file');
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   357
        GameType := gmtSyntax;
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   358
        end
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   359
    else if (recordFileName <> '') then
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   360
        WriteLn(stdout, 'Attempting to play demo file "' + recordFilename + '"');
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   361
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   362
    if (GameType = gmtSyntax) then
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   363
        WriteLn(stderr, 'Please use --help to see possible arguments and their usage');
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   364
8308
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   365
    (*
cdf83bdf7b27 move GetParams in ArgParser, print a warning when using a deprecated command, pascalisation of +1s
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   366
    WriteLn(stdout,'PathPrefix:     ' + PathPrefix);
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   367
    WriteLn(stdout,'UserPathPrefix: ' + UserPathPrefix);
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   368
    *)
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   369
end;
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   370
{$ENDIF}
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   372
end.
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   373