//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005-2014 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// DESCRIPTION:
//     Common code to parse command line, identifying WAD files to load.
//

#include "config.h"

#include "d_iwad.h"
#include "m_argv.h"
#include "w_main.h"
#include "w_wad.h"
#include "z_zone.h"

// Parse the command line, merging WAD files that are sppecified.
// Returns true if at least one file was added.

boolean W_ParseCommandLine(void)
{
    boolean modifiedgame = false;
    int p;

    //!
    // @arg <files>
    // @vanilla
    //
    // Load the specified PWAD files.
    //

    p = M_CheckParmWithArgs ("-file", 1);
    if (p)
    {
	// the parms after p are wadfile/lump names,
	// until end of parms or another - preceded parm
	modifiedgame = true;            // homebrew levels
	while (++p != myargc && myargv[p][0] != '-')
        {
            char *filename;

            filename = D_TryFindWADByName(myargv[p]);

            ES_debugf("Adding %s\n", filename);
	    W_AddFile(filename);
        }
    }

//    W_PrintDirectory();

    return modifiedgame;
}