newtree/source/com.c

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

#include <ctype.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_InitFilesystem (void);
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)
{
	FILE		*h;
	unsigned short	check[128];

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

	if (h) {
		static_registered = 1;
		fread (check, 1, sizeof(check), h);
		fclose (h);
	}

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


/*
================
COM_Init
================
*/
void COM_Init (void)
{
#ifndef WORDS_BIGENDIEN
		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

	registered = Cvar_Get("registered", "0", CVAR_NONE, "None");
	Cmd_AddCommand ("path", COM_Path_f);

	COM_InitFilesystem ();
	COM_CheckRegistered ();
}