/*
 * Copyright (C) 1997-2001 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.
 *
 */
/* vid_null.c -- null video driver to aid porting efforts */
/* this assumes that one of the refs is statically linked to the executable */

#include "../client/client.h"

viddef_t	viddef;		/* global video state */

refexport_t	re;

refexport_t	GetRefAPI(refimport_t rimp);

/*
 * ==========================================================================
 *
 * DIRECT LINK GLUE
 *
 * ==========================================================================
 */

#define	MAXPRINTMSG	4096
void
VID_Printf(int print_level, char *fmt,...)
{
	va_list		argptr;
	char		msg       [MAXPRINTMSG];

	va_start(argptr, fmt);
	vsnprintf(msg, sizeof(msg), fmt, argptr);
	va_end(argptr);

	if (print_level == PRINT_ALL)
		Com_Printf("%s", msg);
	else
		Com_DPrintf("%s", msg);
}

void
VID_Error(int err_level, char *fmt,...)
{
	va_list		argptr;
	char		msg       [MAXPRINTMSG];

	va_start(argptr, fmt);
	vsnprintf(msg, sizeof(msg), fmt, argptr);
	va_end(argptr);

	Com_Error(err_level, "%s", msg);
}

void
VID_NewWindow(int width, int height)
{
	viddef.width = width;
	viddef.height = height;
}

/*
 * * VID_GetModeInfo
 */
typedef struct vidmode_s {
	const char     *description;
	int		width     , height;
	int		mode;
}		vidmode_t;

vidmode_t	vid_modes[] =
{
	{"Mode 0: 320x240", 320, 240, 0},
	{"Mode 1: 400x300", 400, 300, 1},
	{"Mode 2: 512x384", 512, 384, 2},
	{"Mode 3: 640x480", 640, 480, 3},
	{"Mode 4: 800x600", 800, 600, 4},
	{"Mode 5: 960x720", 960, 720, 5},
	{"Mode 6: 1024x768", 1024, 768, 6},
	{"Mode 7: 1152x864", 1152, 864, 7},
	{"Mode 8: 1280x960", 1280, 960, 8},
	{"Mode 9: 1600x1200", 1600, 1200, 9},
	{"Mode 10: 2048x1536", 2048, 1536, 10}
};

#define VID_NUM_MODES ( sizeof( vid_modes ) / sizeof( vid_modes[0] ) )

qboolean
VID_GetModeInfo(int *width, int *height, int mode)
{
	if (mode < 0 || mode >= VID_NUM_MODES)
		return false;

	*width = vid_modes[mode].width;
	*height = vid_modes[mode].height;

	return true;
}


void
VID_Init(void)
{
	refimport_t	ri;

	viddef.width = 320;
	viddef.height = 240;

	ri.Cmd_AddCommand = Cmd_AddCommand;
	ri.Cmd_RemoveCommand = Cmd_RemoveCommand;
	ri.Cmd_Argc = Cmd_Argc;
	ri.Cmd_Argv = Cmd_Argv;
	ri.Cmd_ExecuteText = Cbuf_ExecuteText;
	ri.Con_Printf = VID_Printf;
	ri.Sys_Error = VID_Error;
	ri.FS_LoadFile = FS_LoadFile;
	ri.FS_FreeFile = FS_FreeFile;
	ri.FS_Gamedir = FS_Gamedir;
	ri.Vid_NewWindow = VID_NewWindow;
	ri.Cvar_Get = Cvar_Get;
	ri.Cvar_Set = Cvar_Set;
	ri.Cvar_SetValue = Cvar_SetValue;
	ri.Vid_GetModeInfo = VID_GetModeInfo;

	re = GetRefAPI(ri);

	if (re.api_version != API_VERSION)
		Com_Error(ERR_FATAL, "Re has incompatible api_version");

	/* call the init function */
	if (re.Init(NULL, NULL) == -1)
		Com_Error(ERR_FATAL, "Couldn't start refresh");
}

void
VID_Shutdown(void)
{
	if (re.Shutdown)
		re.Shutdown();
}

void
VID_CheckChanges(void)
{
}

void
VID_MenuInit(void)
{
}

void
VID_MenuDraw(void)
{
}

const char     *
VID_MenuKey(int k)
{
	return NULL;
}