/*
	com.c

	misc functions used in client and server

	Copyright (C) 1996-1997  Id Software, Inc.

	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.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <ctype.h>

#include "cmd.h"
#include "console.h"
#include "cvar.h"
#include "qendian.h"
#include "quakefs.h"
#include "sys.h"

cvar_t     *registered;

qboolean    com_modified;				// set true if using non-id files

int         static_registered = 1;		// only for startup check, then set

qboolean    msg_suppress_1 = 0;

void        COM_Path_f (void);


/*
================
COM_CheckRegistered

Looks for the pop.txt file and verifies it.
Sets the "registered" cvar.
Immediately exits out if an alternate game was attempted to be started without
being registered.
================
*/
void
COM_CheckRegistered (void)
{
	QFile      *h;
	unsigned short check[128];

	COM_FOpenFile ("gfx/pop.lmp", &h);
	static_registered = 0;

	if (h) {
		static_registered = 1;
		Qread (h, check, sizeof (check));
		Qclose (h);
	}

	if (static_registered) {
		Cvar_Set (registered, "1");
		Con_Printf ("Playing registered version.\n");
	}
}


/*
================
COM_Init
================
*/
void
COM_Init (void)
{
#ifndef WORDS_BIGENDIAN
	bigendien = false;
	BigShort = ShortSwap;
	LittleShort = ShortNoSwap;
	BigLong = LongSwap;
	LittleLong = LongNoSwap;
	BigFloat = FloatSwap;
	LittleFloat = FloatNoSwap;
#else
	bigendien = true;
	BigShort = ShortNoSwap;
	LittleShort = ShortSwap;
	BigLong = LongNoSwap;
	LittleLong = LongSwap;
	BigFloat = FloatNoSwap;
	LittleFloat = FloatSwap;
#endif

	Cmd_AddCommand ("path", COM_Path_f, "Show what paths Quake is using");

	COM_Filesystem_Init ();
	COM_CheckRegistered ();
}

void
COM_Init_Cvars (void)
{
	registered = Cvar_Get ("registered", "0", CVAR_NONE, "Is the game the registered version. 1 yes 0 no");
}