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/*

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 the Free Software

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

*/

// sys_null.h -- null system driver to aid porting efforts

#include "quakedef.h"

#include "winquake.h"

#include "errno.h"

#include 

#include 

/*

===============================================================================

FILE IO

===============================================================================

*/

#define	MAX_HANDLES		10

FILE	*sys_handles[MAX_HANDLES];

int		findhandle (void)

{

	int		i;

	for (i=1 ; i

		if (!sys_handles[i])

			return i;

	Sys_Error ("out of handles");

	return -1;

}

/*

================

filelength

================

*/

int filelength (FILE *f)

{

	int		pos;

	int		end;

	pos = ftell (f);

	fseek (f, 0, SEEK_END);

	end = ftell (f);

	fseek (f, pos, SEEK_SET);

	return end;

}

int Sys_FileOpenRead (char *path, int *hndl)

{

	FILE	*f;

	int		i;

	i = findhandle ();

	f = fopen(path, "rb");

	if (!f)

	{

		*hndl = -1;

		return -1;

	}

	sys_handles[i] = f;

	*hndl = i;

	return filelength(f);

}

int Sys_FileOpenWrite (char *path)

{

	FILE	*f;

	int		i;

	i = findhandle ();

	f = fopen(path, "wb");

	if (!f)

		Sys_Error ("Error opening %s: %s", path,strerror(errno));

	sys_handles[i] = f;

	return i;

}

void Sys_FileClose (int handle)

{

	fclose (sys_handles[handle]);

	sys_handles[handle] = NULL;

}

void Sys_FileSeek (int handle, int position)

{

	fseek (sys_handles[handle], position, SEEK_SET);

}

int Sys_FileRead (int handle, void *dest, int count)

{

	return fread (dest, 1, count, sys_handles[handle]);

}

int Sys_FileWrite (int handle, void *data, int count)

{

	return fwrite (data, 1, count, sys_handles[handle]);

}

int	Sys_FileTime (char *path)

{

	FILE	*f;

	f = fopen(path, "rb");

	if (f)

	{

		fclose(f);

		return 1;

	}

	return -1;

}

void Sys_mkdir (char *path)

{

}

/*

===============================================================================

SYSTEM IO

===============================================================================

*/

void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)

{

}

void Sys_DebugLog(char *file, char *fmt, ...)

{

}

void Sys_Error (char *error, ...)

{

	va_list		argptr;

	char		text[1024];

	va_start (argptr,error);

	vsprintf (text, error,argptr);

	va_end (argptr);

//    MessageBox(NULL, text, "Error", 0 /* MB_OK */ );

	printf ("ERROR: %s\n", text);

	exit (1);

}

void Sys_Printf (char *fmt, ...)

{

	va_list		argptr;

	va_start (argptr,fmt);

	vprintf (fmt,argptr);

	va_end (argptr);

}

void Sys_Quit (void)

{

	exit (0);

}

double Sys_FloatTime (void)

{

	double t;

    struct _timeb tstruct;

	static int	starttime;

	_ftime( &tstruct );

	if (!starttime)

		starttime = tstruct.time;

	t = (tstruct.time-starttime) + tstruct.millitm*0.001;

	return t;

}

void Sys_Sleep (void)

{

}

void Sys_SendKeyEvents (void)

{

}

void Sys_HighFPPrecision (void)

{

}

void Sys_LowFPPrecision (void)

{

}

char *Sys_ConsoleInput (void)

{

	static char	text[256];

	static int		len;

	INPUT_RECORD	recs[1024];

	int		count;

	int		i;

	int		c;

	// read a line out

	while (_kbhit())

	{

		c = _getch();

		putch (c);

		if (c == '\r')

		{

			text[len] = 0;

			putch ('\n');

			len = 0;

			return text;

		}

		if (c == 8)

		{

			putch (' ');

			putch (c);

			len--;

			text[len] = 0;

			continue;

		}

		text[len] = c;

		len++;

		text[len] = 0;

		if (len == sizeof(text))

			len = 0;

	}

	return NULL;

}

/*

==================

main

==================

*/

char	*newargv[256];

int main (int argc, char **argv)

{

    MSG        msg;

	quakeparms_t	parms;

	double			time, oldtime;

	static	char	cwd[1024];

	memset (&parms, 0, sizeof(parms));

	parms.memsize = 16384*1024;

	parms.membase = malloc (parms.memsize);

	_getcwd (cwd, sizeof(cwd));

	if (cwd[Q_strlen(cwd)-1] == '\\')

		cwd[Q_strlen(cwd)-1] = 0;

	parms.basedir = cwd; //"f:/quake";

//	parms.basedir = "f:\\quake";

	COM_InitArgv (argc, argv);

	// dedicated server ONLY!

	if (!COM_CheckParm ("-dedicated"))

	{

		memcpy (newargv, argv, argc*4);

		newargv[argc] = "-dedicated";

		argc++;

		argv = newargv;

		COM_InitArgv (argc, argv);

	}

	parms.argc = argc;

	parms.argv = argv;

	printf ("Host_Init\n");

	Host_Init (&parms);

	oldtime = Sys_FloatTime ();

    /* main window message loop */

	while (1)

	{

		time = Sys_FloatTime();

		if (time - oldtime < sys_ticrate.value )

		{

			Sleep(1);

			continue;

		}

		Host_Frame ( time - oldtime );

		oldtime = time;

	}

    /* return success of application */

    return TRUE;

}