/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2005 John Fitzgibbons and others

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.

*/
// console.c

#ifdef NeXT
#include <libc.h>
#endif
#ifndef _MSC_VER
#include <unistd.h>
#endif
#include <fcntl.h>
#include "quakedef.h"

int 		con_linewidth;

float		con_cursorspeed = 4;

#define		CON_TEXTSIZE 65536 //johnfitz -- new default size
#define		CON_MINSIZE  16384 //johnfitz -- old default, now the minimum size
int			con_buffersize; //johnfitz -- user can now override default

qboolean 	con_forcedup;		// because no entities to refresh

int			con_totallines;		// total lines in console scrollback
int			con_backscroll;		// lines up from bottom to display
int			con_current;		// where next message will be printed
int			con_x;				// offset in current line for next print
char		*con_text=0;

cvar_t		con_notifytime = {"con_notifytime","3"};		//seconds
cvar_t		con_logcenterprint = {"con_logcenterprint", "1"}; //johnfitz

char		con_lastcenterstring[1024]; //johnfitz

#define	NUM_CON_TIMES 4
float		con_times[NUM_CON_TIMES];	// realtime time the line was generated
										// for transparent notify lines

int			con_vislines;

qboolean	con_debuglog;

#define		MAXCMDLINE	256
extern	char	key_lines[32][MAXCMDLINE];
extern	int		edit_line;
extern	int		key_linepos;

qboolean	con_initialized;

extern void M_Menu_Main_f (void);

/*
================
Con_Quakebar -- johnfitz -- returns a bar of the desired length, but never wider than the console

includes a newline, unless len >= con_linewidth.
================
*/
char *Con_Quakebar (int len)
{
	static char bar[42];
	int i;

	len = min(len, sizeof(bar) - 2);
	len = min(len, con_linewidth);

	bar[0] = '\35';
	for (i = 1; i < len - 1; i++)
		bar[i] = '\36';
	bar[len-1] = '\37';

	if (len < con_linewidth)
	{
		bar[len] = '\n';
		bar[len+1] = 0;
	}
	else
		bar[len] = 0;

	return bar;
}

/*
================
Con_ToggleConsole_f
================
*/
void Con_ToggleConsole_f (void)
{
	extern int history_line; //johnfitz

	if (key_dest == key_console)
	{
		if (cls.state == ca_connected)
		{
            IN_Activate();
			key_dest = key_game;
			key_lines[edit_line][1] = 0;	// clear any typing
			key_linepos = 1;
			con_backscroll = 0; //johnfitz -- toggleconsole should return you to the bottom of the scrollback
			history_line = edit_line; //johnfitz -- it should also return you to the bottom of the command history
		}
		else
		{
			M_Menu_Main_f ();
		}
	}
	else
    {
        IN_Deactivate(vid.type == MODE_WINDOWED);
		key_dest = key_console;
    }

	SCR_EndLoadingPlaque ();
	memset (con_times, 0, sizeof(con_times));
}

/*
================
Con_Clear_f
================
*/
void Con_Clear_f (void)
{
	if (con_text)
		Q_memset (con_text, ' ', con_buffersize); //johnfitz -- con_buffersize replaces CON_TEXTSIZE
	con_backscroll = 0; //johnfitz -- if console is empty, being scrolled up is confusing
}

/*
================
Con_Dump_f -- johnfitz -- adapted from quake2 source
================
*/
void Con_Dump_f (void)
{
	int		l, x;
	char	*line;
	FILE	*f;
	char	buffer[1024];
	char	name[MAX_OSPATH];

#if 1
	//johnfitz -- there is a security risk in writing files with an arbitrary filename. so,
	//until stuffcmd is crippled to alleviate this risk, just force the default filename.
	sprintf (name, "%s/condump.txt", com_gamedir);
#else
	if (Cmd_Argc() > 2)
	{
		Con_Printf ("usage: condump <filename>\n");
		return;
	}

	if (Cmd_Argc() > 1)
	{
		if (strstr(Cmd_Argv(1), ".."))
		{
			Con_Printf ("Relative pathnames are not allowed.\n");
			return;
		}
		sprintf (name, "%s/%s", com_gamedir, Cmd_Argv(1));
		COM_DefaultExtension (name, ".txt");
	}
	else
		sprintf (name, "%s/condump.txt", com_gamedir);
#endif

	COM_CreatePath (name);
	f = fopen (name, "w");
	if (!f)
	{
		Con_Printf ("ERROR: couldn't open file.\n", name);
		return;
	}

	// skip initial empty lines
	for (l = con_current - con_totallines + 1 ; l <= con_current ; l++)
	{
		line = con_text + (l%con_totallines)*con_linewidth;
		for (x=0 ; x<con_linewidth ; x++)
			if (line[x] != ' ')
				break;
		if (x != con_linewidth)
			break;
	}

	// write the remaining lines
	buffer[con_linewidth] = 0;
	for ( ; l <= con_current ; l++)
	{
		line = con_text + (l%con_totallines)*con_linewidth;
		strncpy (buffer, line, con_linewidth);
		for (x=con_linewidth-1 ; x>=0 ; x--)
		{
			if (buffer[x] == ' ')
				buffer[x] = 0;
			else
				break;
		}
		for (x=0; buffer[x]; x++)
			buffer[x] &= 0x7f;

		fprintf (f, "%s\n", buffer);
	}

	fclose (f);
	Con_Printf ("Dumped console text to %s.\n", name);
}

/*
================
Con_ClearNotify
================
*/
void Con_ClearNotify (void)
{
	int		i;

	for (i=0 ; i<NUM_CON_TIMES ; i++)
		con_times[i] = 0;
}


/*
================
Con_MessageMode_f
================
*/
extern qboolean team_message;

void Con_MessageMode_f (void)
{
	key_dest = key_message;
	team_message = false;
}


/*
================
Con_MessageMode2_f
================
*/
void Con_MessageMode2_f (void)
{
	key_dest = key_message;
	team_message = true;
}


/*
================
Con_CheckResize

If the line width has changed, reformat the buffer.
================
*/
void Con_CheckResize (void)
{
	int		i, j, width, oldwidth, oldtotallines, numlines, numchars;
	char	*tbuf; //johnfitz -- tbuf no longer a static array
	int mark; //johnfitz

	width = (vid.conwidth >> 3) - 2; //johnfitz -- use vid.conwidth instead of vid.width

	if (width == con_linewidth)
		return;

	oldwidth = con_linewidth;
	con_linewidth = width;
	oldtotallines = con_totallines;
	con_totallines = con_buffersize / con_linewidth; //johnfitz -- con_buffersize replaces CON_TEXTSIZE
	numlines = oldtotallines;

	if (con_totallines < numlines)
		numlines = con_totallines;

	numchars = oldwidth;

	if (con_linewidth < numchars)
		numchars = con_linewidth;

	mark = Hunk_LowMark (); //johnfitz
	tbuf = Hunk_Alloc (con_buffersize); //johnfitz

	Q_memcpy (tbuf, con_text, con_buffersize);//johnfitz -- con_buffersize replaces CON_TEXTSIZE
	Q_memset (con_text, ' ', con_buffersize);//johnfitz -- con_buffersize replaces CON_TEXTSIZE

	for (i=0 ; i<numlines ; i++)
	{
		for (j=0 ; j<numchars ; j++)
		{
			con_text[(con_totallines - 1 - i) * con_linewidth + j] =
					tbuf[((con_current - i + oldtotallines) % oldtotallines) * oldwidth + j];
		}
	}

	Hunk_FreeToLowMark (mark); //johnfitz

	Con_ClearNotify ();

	con_backscroll = 0;
	con_current = con_totallines - 1;
}


/*
================
Con_Init
================
*/
void Con_Init (void)
{
#define MAXGAMEDIRLEN	1000
	char	temp[MAXGAMEDIRLEN+1];
	char	*t2 = "/qconsole.log";

	con_debuglog = COM_CheckParm("-condebug");

	if (con_debuglog)
	{
		if (strlen (com_gamedir) < (MAXGAMEDIRLEN - strlen (t2)))
		{
			sprintf (temp, "%s%s", com_gamedir, t2);
			unlink (temp);
		}
	}

	//johnfitz -- user settable console buffer size
	if (COM_CheckParm("-consize"))
		con_buffersize = max(CON_MINSIZE,Q_atoi(com_argv[COM_CheckParm("-consize")+1])*1024);
	else
		con_buffersize = CON_TEXTSIZE;
	//johnfitz

	con_text = Hunk_AllocName (con_buffersize, "context");//johnfitz -- con_buffersize replaces CON_TEXTSIZE
	Q_memset (con_text, ' ', con_buffersize);//johnfitz -- con_buffersize replaces CON_TEXTSIZE
	con_linewidth = -1;

	//johnfitz -- no need to run Con_CheckResize here
	con_linewidth = 38;
	con_totallines = con_buffersize / con_linewidth;//johnfitz -- con_buffersize replaces CON_TEXTSIZE
	con_backscroll = 0;
	con_current = con_totallines - 1;
	//johnfitz

	Con_Printf ("Console initialized.\n");

//
// register our commands
//
	Cvar_RegisterVariable (&con_notifytime, NULL);
	Cvar_RegisterVariable (&con_logcenterprint, NULL); //johnfitz

	Cmd_AddCommand ("toggleconsole", Con_ToggleConsole_f);
	Cmd_AddCommand ("messagemode", Con_MessageMode_f);
	Cmd_AddCommand ("messagemode2", Con_MessageMode2_f);
	Cmd_AddCommand ("clear", Con_Clear_f);
	Cmd_AddCommand ("condump", Con_Dump_f); //johnfitz
	con_initialized = true;
}


/*
===============
Con_Linefeed
===============
*/
void Con_Linefeed (void)
{
	//johnfitz -- improved scrolling
	if (con_backscroll)
		con_backscroll++;
	if (con_backscroll > con_totallines - (glheight>>3) - 1)
		con_backscroll = con_totallines - (glheight>>3) - 1;
	//johnfitz

	con_x = 0;
	con_current++;
	Q_memset (&con_text[(con_current%con_totallines)*con_linewidth]
	, ' ', con_linewidth);
}

/*
================
Con_Print

Handles cursor positioning, line wrapping, etc
All console printing must go through this in order to be logged to disk
If no console is visible, the notify window will pop up.
================
*/
void Con_Print (char *txt)
{
	int		y;
	int		c, l;
	static int	cr;
	int		mask;

	//con_backscroll = 0; //johnfitz -- better console scrolling

	if (txt[0] == 1)
	{
		mask = 128;		// go to colored text
		S_LocalSound ("misc/talk.wav");
	// play talk wav
		txt++;
	}
	else if (txt[0] == 2)
	{
		mask = 128;		// go to colored text
		txt++;
	}
	else
		mask = 0;


	while ( (c = *txt) )
	{
	// count word length
		for (l=0 ; l< con_linewidth ; l++)
			if ( txt[l] <= ' ')
				break;

	// word wrap
		if (l != con_linewidth && (con_x + l > con_linewidth) )
			con_x = 0;

		txt++;

		if (cr)
		{
			con_current--;
			cr = false;
		}


		if (!con_x)
		{
			Con_Linefeed ();
		// mark time for transparent overlay
			if (con_current >= 0)
				con_times[con_current % NUM_CON_TIMES] = realtime;
		}

		switch (c)
		{
		case '\n':
			con_x = 0;
			break;

		case '\r':
			con_x = 0;
			cr = 1;
			break;

		default:	// display character and advance
			y = con_current % con_totallines;
			con_text[y*con_linewidth+con_x] = c | mask;
			con_x++;
			if (con_x >= con_linewidth)
				con_x = 0;
			break;
		}

	}
}


/*
================
Con_DebugLog
================
*/
void Con_DebugLog(char *file, char *fmt, ...)
{
    va_list argptr;
    static char data[1024];
    int fd;

    va_start(argptr, fmt);
    vsprintf(data, fmt, argptr);
    va_end(argptr);
    fd = open(file, O_WRONLY | O_CREAT | O_APPEND, 0666);
    write(fd, data, strlen(data));
    close(fd);
}


/*
================
Con_Printf

Handles cursor positioning, line wrapping, etc
================
*/
#define	MAXPRINTMSG	4096
// FIXME: make a buffer size safe vsprintf?
void Con_Printf (char *fmt, ...)
{
	va_list		argptr;
	char		msg[MAXPRINTMSG];
	static qboolean	inupdate;

	va_start (argptr,fmt);
	vsprintf (msg,fmt,argptr);
	va_end (argptr);

// also echo to debugging console
	Sys_Printf ("%s", msg);

// log all messages to file
	if (con_debuglog)
		Con_DebugLog(va("%s/qconsole.log",com_gamedir), "%s", msg);

	if (!con_initialized)
		return;

	if (cls.state == ca_dedicated)
		return;		// no graphics mode

// write it to the scrollable buffer
	Con_Print (msg);

// update the screen if the console is displayed
	if (cls.signon != SIGNONS && !scr_disabled_for_loading )
	{
	// protect against infinite loop if something in SCR_UpdateScreen calls
	// Con_Printd
		if (!inupdate)
		{
			inupdate = true;
			SCR_UpdateScreen ();
			inupdate = false;
		}
	}
}

/*
================
Con_DPrintf

A Con_Printf that only shows up if the "developer" cvar is set
================
*/
void Con_DPrintf (char *fmt, ...)
{
	va_list		argptr;
	char		msg[MAXPRINTMSG];

	if (!developer.value)
		return;			// don't confuse non-developers with techie stuff...

	va_start (argptr,fmt);
	vsprintf (msg,fmt,argptr);
	va_end (argptr);

	Con_Printf ("%s", msg);
}


/*
==================
Con_SafePrintf

Okay to call even when the screen can't be updated
==================
*/
void Con_SafePrintf (char *fmt, ...)
{
	va_list		argptr;
	char		msg[1024];
	int			temp;

	va_start (argptr,fmt);
	vsprintf (msg,fmt,argptr);
	va_end (argptr);

	temp = scr_disabled_for_loading;
	scr_disabled_for_loading = true;
	Con_Printf ("%s", msg);
	scr_disabled_for_loading = temp;
}

/*
================
Con_CenterPrintf -- johnfitz -- pad each line with spaces to make it appear centered
================
*/
void Con_CenterPrintf (int linewidth, char *fmt, ...)
{
	va_list	argptr;
	char	msg[MAXPRINTMSG]; //the original message
	char	line[MAXPRINTMSG]; //one line from the message
	char	spaces[21]; //buffer for spaces
	char	*src, *dst;
	int		len, s;

	va_start (argptr,fmt);
	vsprintf (msg,fmt,argptr);
	va_end (argptr);

	linewidth = min (linewidth, con_linewidth);
	for (src = msg; *src; )
	{
		dst = line;
		while (*src && *src != '\n')
			*dst++ = *src++;
		*dst = 0;
		if (*src == '\n')
			src++;

		len = strlen(line);
		if (len < linewidth)
		{
			s = (linewidth-len)/2;
			memset (spaces, ' ', s);
			spaces[s] = 0;
			Con_Printf ("%s%s\n", spaces, line);
		}
		else
			Con_Printf ("%s\n", line);
	}
}

/*
==================
Con_LogCenterPrint -- johnfitz -- echo centerprint message to the console
==================
*/
void Con_LogCenterPrint (char *str)
{
	if (!strcmp(str, con_lastcenterstring))
		return; //ignore duplicates

	if (cl.gametype == GAME_DEATHMATCH && con_logcenterprint.value != 2)
		return; //don't log in deathmatch

	strcpy(con_lastcenterstring, str);

	if (con_logcenterprint.value)
	{
		Con_Printf (Con_Quakebar(40));
		Con_CenterPrintf (40, "%s\n", str);
		Con_Printf (Con_Quakebar(40));
		Con_ClearNotify ();
	}
}

/*
==============================================================================

	TAB COMPLETION

==============================================================================
*/

//johnfitz -- tab completion stuff
//unique defs
char key_tabpartial[MAXCMDLINE];
typedef struct tab_s
{
	char			*name;
	char			*type;
	struct tab_s	*next;
	struct tab_s	*prev;
} tab_t;
tab_t	*tablist;

//defs from elsewhere
extern qboolean	keydown[256];
typedef struct cmd_function_s
{
	struct cmd_function_s	*next;
	char					*name;
	xcommand_t				function;
} cmd_function_t;
extern	cmd_function_t	*cmd_functions;
#define	MAX_ALIAS_NAME	32
typedef struct cmdalias_s
{
	struct cmdalias_s	*next;
	char	name[MAX_ALIAS_NAME];
	char	*value;
} cmdalias_t;
extern	cmdalias_t	*cmd_alias;

/*
============
AddToTabList -- johnfitz

tablist is a doubly-linked loop
============
*/
void AddToTabList (char *name, char *type)
{
	tab_t	*t;

	t = Hunk_Alloc(sizeof(tab_t));
	t->name = name;
	t->type = type;

	if (tablist) //list not empty
	{
		t->next = tablist;
		t->prev = tablist->prev;
		t->next->prev = t;
		t->prev->next = t;
		tablist = t;
	}
	else //list empty
	{
		tablist = t;
		t->next = t;
		t->prev = t;
	}
}

/*
============
BuildTabList -- johnfitz
============
*/
void BuildTabList (char *partial)
{
	cmdalias_t		*alias;
	cvar_t			*cvar;
	cmd_function_t	*cmd;
	int				len;

	tablist = NULL;
	len = strlen(partial);

	for (cvar=cvar_vars ; cvar ; cvar=cvar->next)
		if (!Q_strncmp (partial, cvar->name, len))
			AddToTabList (cvar->name, "cvar");

	for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
		if (!Q_strncmp (partial,cmd->name, len))
			AddToTabList (cmd->name, "command");

	for (alias=cmd_alias ; alias ; alias=alias->next)
		if (!Q_strncmp (partial, alias->name, len))
			AddToTabList (alias->name, "alias");
}

/*
============
Con_TabComplete -- johnfitz
============
*/
void Con_TabComplete (void)
{
	char		partial[MAXCMDLINE];
	char		*match;
	static char	*c;
	tab_t		*t;
	int			mark, i;

// if editline is empty, return
	if (key_lines[edit_line][1] == 0)
		return;

// get partial string (space -> cursor)
	if (!Q_strlen(key_tabpartial)) //first time through, find new insert point. (Otherwise, use previous.)
	{
		//work back from cursor until you find a space, quote, semicolon, or prompt
		c = key_lines[edit_line] + key_linepos - 1; //start one space left of cursor
		while (*c!=' ' && *c!='\"' && *c!=';' && c!=key_lines[edit_line])
			c--;
		c++; //start 1 char after the seperator we just found
	}
	for (i = 0; c + i < key_lines[edit_line] + key_linepos; i++)
		partial[i] = c[i];
	partial[i] = 0;

//if partial is empty, return
	if (partial[0] == 0)
		return;

// find a match
	mark = Hunk_LowMark();
	if (!Q_strlen(key_tabpartial)) //first time through
	{
		Q_strcpy (key_tabpartial, partial);
		BuildTabList (key_tabpartial);

		if (!tablist)
			return;

		//print list
		t = tablist->prev; //back through list becuase it's in reverse order
		do
		{
			Con_SafePrintf("   %s (%s)\n", t->name, t->type);
			t = t->prev;
		} while (t != tablist->prev);

		//get first match
		match = tablist->prev->name;
	}
	else
	{
		BuildTabList (key_tabpartial);

		if (!tablist)
			return;

		//find current match -- can't save a pointer because the list will be rebuilt each time
		t = tablist;
		do
		{
			if (!Q_strncmp(t->name, partial, strlen(t->name)))
				break;
			t = t->next;
		} while (t != tablist);

		//use next or prev to find next match (reverse since list is backwards)
		match = keydown[K_SHIFT] ? t->next->name : t->prev->name;
	}
	Hunk_FreeToLowMark(mark); //it's okay to free it here becuase match is a pointer to persistent data

// insert new match into edit line
	Q_strcpy (partial, match); //first copy match string
	Q_strcat (partial, key_lines[edit_line] + key_linepos); //then add chars after cursor
	Q_strcpy (c, partial); //now copy all of this into edit line
	key_linepos = c - key_lines[edit_line] + Q_strlen(match); //set new cursor position

// if cursor is at end of string, let's append a space to make life easier
	if (key_lines[edit_line][key_linepos] == 0)
	{
		key_lines[edit_line][key_linepos] = ' ';
		key_linepos++;
		key_lines[edit_line][key_linepos] = 0;
	}
}

/*
==============================================================================

DRAWING

==============================================================================
*/

/*
================
Con_DrawNotify

Draws the last few lines of output transparently over the game top
================
*/
void Con_DrawNotify (void)
{
	int		x, v;
	char	*text;
	int		i;
	float	time;
	extern char chat_buffer[];

	GL_SetCanvas (CANVAS_CONSOLE); //johnfitz
	v = vid.conheight; //johnfitz

	for (i= con_current-NUM_CON_TIMES+1 ; i<=con_current ; i++)
	{
		if (i < 0)
			continue;
		time = con_times[i % NUM_CON_TIMES];
		if (time == 0)
			continue;
		time = realtime - time;
		if (time > con_notifytime.value)
			continue;
		text = con_text + (i % con_totallines)*con_linewidth;

		clearnotify = 0;

		for (x = 0 ; x < con_linewidth ; x++)
			Draw_Character ( (x+1)<<3, v, text[x]);

		v += 8;

		scr_tileclear_updates = 0; //johnfitz
	}


	if (key_dest == key_message)
	{
		char *say_prompt; //johnfitz

		clearnotify = 0;

		x = 0;

		//johnfitz -- distinguish say and say_team
		if (team_message)
			say_prompt = "say_team:";
		else
			say_prompt = "say:";
		//johnfitz

		Draw_String (8, v, say_prompt); //johnfitz

		while(chat_buffer[x])
		{
			Draw_Character ( (x+strlen(say_prompt)+2)<<3, v, chat_buffer[x]); //johnfitz
			x++;
		}
		Draw_Character ( (x+strlen(say_prompt)+2)<<3, v, 10+((int)(realtime*con_cursorspeed)&1)); //johnfitz
		v += 8;

		scr_tileclear_updates = 0; //johnfitz
	}
}

/*
================
Con_DrawInput -- johnfitz -- modified to allow insert editing

The input line scrolls horizontally if typing goes beyond the right edge
================
*/
void Con_DrawInput (void)
{
	extern qpic_t *pic_ovr, *pic_ins; //johnfitz -- new cursor handling
	extern double key_blinktime;
	extern int key_insert;
	int		i, len;
	char	c[256], *text;

	if (key_dest != key_console && !con_forcedup)
		return;		// don't draw anything

	text = strcpy(c, key_lines[edit_line]);

// pad with one space so we can draw one past the string (in case the cursor is there)
	len = strlen(key_lines[edit_line]);
	text[len] = ' ';
	text[len+1] = 0;

// prestep if horizontally scrolling
	if (key_linepos >= con_linewidth)
		text += 1 + key_linepos - con_linewidth;

// draw input string
	for (i=0; i <= strlen(text) - 1; i++) //only write enough letters to go from *text to cursor
		Draw_Character ((i+1)<<3, vid.conheight - 16, text[i]);

// johnfitz -- new cursor handling
	if (!((int)((realtime-key_blinktime)*con_cursorspeed) & 1))
		Draw_Pic ((key_linepos+1)<<3, vid.conheight - 16, key_insert ? pic_ins : pic_ovr);
}

/*
================
Con_DrawConsole -- johnfitz -- heavy revision

Draws the console with the solid background
The typing input line at the bottom should only be drawn if typing is allowed
================
*/
void Con_DrawConsole (int lines, qboolean drawinput)
{
	int				i, x, y, j, sb, rows;
	char			ver[32];
	char			*text;

	if (lines <= 0)
		return;

	con_vislines = lines * vid.conheight / glheight;
	GL_SetCanvas (CANVAS_CONSOLE);

// draw the background
	Draw_ConsoleBackground ();

// draw the buffer text
	rows = (con_vislines+7)/8;
	y = vid.conheight - rows*8;
	rows -= 2; //for input and version lines
	sb = (con_backscroll) ? 2 : 0;

	for (i = con_current - rows + 1 ; i <= con_current - sb ; i++, y+=8)
	{
		j = i - con_backscroll;
		if (j<0)
			j = 0;
		text = con_text + (j % con_totallines)*con_linewidth;

		for (x=0 ; x<con_linewidth ; x++)
			Draw_Character ( (x+1)<<3, y, text[x]);
	}

// draw scrollback arrows
	if (con_backscroll)
	{
		y+=8; // blank line
		for (x=0 ; x<con_linewidth ; x+=4)
			Draw_Character ((x+1)<<3, y, '^');
		y+=8;
	}

// draw the input prompt, user text, and cursor
	if (drawinput)
		Con_DrawInput ();

//draw version number in bottom right
	y+=8;
	sprintf (ver, "FitzQuake %1.2f"/*" beta"*/, (float)FITZQUAKE_VERSION);
	for (x=0; x<strlen(ver); x++)
		Draw_Character ((con_linewidth-strlen(ver)+x+2)<<3, y, ver[x] /*+ 128*/);
}


/*
==================
Con_NotifyBox
==================
*/
void Con_NotifyBox (char *text)
{
	double		t1, t2;

// during startup for sound / cd warnings
	Con_Printf ("\n\n%s", Con_Quakebar(40)); //johnfitz
	Con_Printf (text);
	Con_Printf ("Press a key.\n");
	Con_Printf (Con_Quakebar(40)); //johnfitz

	key_count = -2;		// wait for a key down and up
    IN_Deactivate(vid.type == MODE_WINDOWED);
	key_dest = key_console;

	do
	{
		t1 = Sys_FloatTime ();
		SCR_UpdateScreen ();
		Sys_SendKeyEvents ();
		t2 = Sys_FloatTime ();
		realtime += t2-t1;		// make the cursor blink
	} while (key_count < 0);

	Con_Printf ("\n");
    IN_Activate();
	key_dest = key_game;
	realtime = 0;				// put the cursor back to invisible
}

