quakespasm/source/gl_screen.c

/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2009 John Fitzgibbons and others
Copyright (C) 2007-2008 Kristian Duske
Copyright (C) 2010-2014 QuakeSpasm developers

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.

*/

// screen.c -- master for refresh, status bar, console, chat, notify, etc

#include "quakedef.h"

/*

background clear
rendering
turtle/net/ram icons
sbar
centerprint / slow centerprint
notify lines
intermission / finale overlay
loading plaque
console
menu

required background clears
required update regions


syncronous draw mode or async
One off screen buffer, with updates either copied or xblited
Need to double buffer?


async draw will require the refresh area to be cleared, because it will be
xblited, but sync draw can just ignore it.

sync
draw

CenterPrint ()
SlowPrint ()
Screen_Update ();
Con_Printf ();

net
turn off messages option

the refresh is allways rendered, unless the console is full screen


console is:
	notify lines
	half
	full

*/


int			glx, gly, glwidth, glheight;

int			scr_copytop;
int 		loadingScreen;

qboolean 	loadscreeninit;
char* 		loadname2;
char* 		loadnamespec;

float		scr_con_current;
float		scr_conlines;		// lines of console to display

//johnfitz -- new cvars
cvar_t		scr_menuscale = {"scr_menuscale", "1", CVAR_ARCHIVE};
cvar_t		scr_sbarscale = {"scr_sbarscale", "1", CVAR_ARCHIVE};
cvar_t		scr_sbaralpha = {"scr_sbaralpha", "0.75", CVAR_ARCHIVE};
cvar_t		scr_conwidth = {"scr_conwidth", "0", CVAR_ARCHIVE};
cvar_t		scr_conscale = {"scr_conscale", "1", CVAR_ARCHIVE};
cvar_t		scr_crosshairscale = {"scr_crosshairscale", "1", CVAR_ARCHIVE};
cvar_t		scr_showfps = {"scr_showfps", "0", CVAR_NONE};
cvar_t		scr_clock = {"scr_clock", "0", CVAR_NONE};
//johnfitz

cvar_t		scr_viewsize = {"viewsize","100", CVAR_ARCHIVE};
cvar_t		scr_fov = {"fov","70",CVAR_NONE};	// 10 - 170
cvar_t		scr_fov_adapt = {"fov_adapt","1",CVAR_ARCHIVE};
cvar_t		scr_dynamic_fov = {"scr_dynamic_fov","1",CVAR_ARCHIVE}; //sB add dynamic FOV toggle
cvar_t		scr_fov_viewmodel = {"r_viewmodel_fov","70"};
cvar_t		scr_loadscreen = {"scr_loadscreen","1", true}; //sB loading screens
cvar_t		scr_conspeed = {"scr_conspeed","500",CVAR_ARCHIVE};
cvar_t		scr_centertime = {"scr_centertime","2",CVAR_NONE};
cvar_t		scr_showram = {"showram","1",CVAR_NONE};
cvar_t		scr_showturtle = {"showturtle","0",CVAR_NONE};
cvar_t		scr_showpause = {"showpause","1",CVAR_NONE};
cvar_t		scr_printspeed = {"scr_printspeed","8",CVAR_NONE};
cvar_t		gl_triplebuffer = {"gl_triplebuffer", "1", CVAR_ARCHIVE};

cvar_t 		cl_crosshair_debug = {"cl_crosshair_debug", "0", CVAR_NONE};

extern	cvar_t	crosshair;

qboolean	scr_initialized;		// ready to draw

qpic_t		*scr_ram;
qpic_t		*scr_net;
qpic_t		*scr_turtle;

qpic_t      *hitmark;
qpic_t 		*lscreen;
qpic_t		*lscreendefault;
qpic_t      *ls_wahnsinn;
qpic_t      *ls_anstieg;

extern qpic_t		*sniper_scope;

int			clearconsole;
int			clearnotify;

vrect_t		scr_vrect;

qboolean	scr_disabled_for_loading;
qboolean	scr_drawloading;
float		scr_disabled_time;

float		oldscreensize, oldfov;

int	scr_tileclear_updates = 0; //johnfitz

char		scr_usestring[1024];
char 		scr_usestring2[32];
float		scr_usetime_off = 0.0f;
int			button_pic_x;

void SCR_ScreenShot_f (void);


/*
==============
SCR_UsePrint

Similiar to above, but will also print the current button for the action.
==============
*/

extern qpic_t      *b_up;
extern qpic_t      *b_down;
extern qpic_t      *b_left;
extern qpic_t      *b_right;
extern qpic_t      *b_lthumb;
extern qpic_t      *b_rthumb;
extern qpic_t      *b_lshoulder;
extern qpic_t      *b_rshoulder;
extern qpic_t      *b_abutton;
extern qpic_t      *b_bbutton;
extern qpic_t      *b_ybutton;
extern qpic_t      *b_xbutton;
extern qpic_t      *b_lt;
extern qpic_t      *b_rt;

qpic_t *GetButtonIcon (char *buttonname)
{

	int		j;
	int		l;
	char	*b;
	l = strlen(buttonname);

	for (j=0 ; j<256 ; j++)
	{
		b = keybindings[j];
		if (!b)
			continue;
		if (!strncmp (b, buttonname, l) )
		{
			if (!strcmp(Key_KeynumToString(j), "UPARROW"))
				return b_up;
			else if (!strcmp(Key_KeynumToString(j), "DOWNARROW"))
				return b_down;
			else if (!strcmp(Key_KeynumToString(j), "LEFTARROW"))
				return b_left;
			else if (!strcmp(Key_KeynumToString(j), "RIGHTARROW"))
				return b_right;
			else if (!strcmp(Key_KeynumToString(j), "LTHUMB"))
				return b_lthumb;
			else if (!strcmp(Key_KeynumToString(j), "RTHUMB"))
				return b_rthumb;
			else if (!strcmp(Key_KeynumToString(j), "LSHOULDER"))
				return b_lshoulder;
			else if (!strcmp(Key_KeynumToString(j), "RSHOULDER"))
				return b_rshoulder;
			else if (!strcmp(Key_KeynumToString(j), "ABUTTON"))
				return b_abutton;
			else if (!strcmp(Key_KeynumToString(j), "BBUTTON"))
				return b_bbutton;
			else if (!strcmp(Key_KeynumToString(j), "YBUTTON"))
				return b_ybutton;
			else if (!strcmp(Key_KeynumToString(j), "XBUTTON"))
				return b_xbutton;
			else if (!strcmp(Key_KeynumToString(j), "LTRIGGER"))
				return b_lt;
			else if (!strcmp(Key_KeynumToString(j), "RTRIGGER"))
				return b_rt;
		}
	}
	return b_abutton;
}

char *GetUseButtonL ()
{
	int		j;
	int		l;
	char	*b;
	l = strlen("+use");

	for (j=0 ; j<256 ; j++)
	{
		b = keybindings[j];
		if (!b)
			continue;
		if (!strncmp (b, "+use", l) )
		{
			if (!strcmp(Key_KeynumToString(j), "LSHOULDER") ||
				!strcmp(Key_KeynumToString(j), "RSHOULDER"))
				return "    ";
			else
				return "  ";
		}
	}
	return " ";
}

char *GetGrenadeButtonL ()
{
	int		j;
	int		l;
	char	*b;
	l = strlen("+grenade");

	for (j=0 ; j<256 ; j++)
	{
		b = keybindings[j];
		if (!b)
			continue;
		if (!strncmp (b, "+grenade", l) )
		{
			if (!strcmp(Key_KeynumToString(j), "LSHOULDER") ||
				!strcmp(Key_KeynumToString(j), "RSHOULDER"))
				return "    ";
			else
				return "  ";
		}
	}
	return " ";
}

char *GetBettyButtonL ()
{
	int		j;
	int		l;
	char	*b;
	l = strlen("impulse 33");

	for (j=0 ; j<256 ; j++)
	{
		b = keybindings[j];
		if (!b)
			continue;
		if (!strncmp (b, "impulse 33", l) )
		{
			if (!strcmp(Key_KeynumToString(j), "LSHOULDER") ||
				!strcmp(Key_KeynumToString(j), "RSHOULDER"))
				return "    ";
			else
				return "  ";
		}
	}
	return " ";
}

char *GetPerkName (int perk)
{
	switch (perk)
	{
		case 1:
			return "Quick Revive";
		case 2:
			return "Juggernog";
		case 3:
			return "Speed Cola";
		case 4:
			return "Double Tap";
		case 5:
			return "Stamin-Up";
		case 6:
			return "PhD Flopper";
		case 7:
			return "Deadshot Daiquiri";
		case 8:
			return "Mule Kick";
		default:
			return "NULL";
	}
}

void SCR_UsePrint (int type, int cost, int weapon)
{
	char w[128];
    char s[128];
	char c[128];

    switch (type)
	{
		case 0://clear
			strcpy(s, "");
			strcpy(c, "");
			break;
		case 1://door
			strcpy(s, va("Hold %s to open Door\n", GetUseButtonL()));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 2://debris
			strcpy(s, va("Hold %s to remove Debris\n", GetUseButtonL(), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 3://ammo
			strcpy(w, cl.touchname);
			strcpy(s, va("Hold %s to buy Ammo for %s\n", GetUseButtonL(), w, cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 4://weapon
			strcpy(w, cl.touchname);
			strcpy(s, va("Hold %s to buy %s\n", GetUseButtonL(), w, cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 5://window
			strcpy(s, va("Hold %s to Rebuild Barrier\n", GetUseButtonL()));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 6://box
			strcpy(s, va("Hold %s for Mystery Box\n", GetUseButtonL(), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 7://box take
			strcpy(w, cl.touchname);
			strcpy(s, va("Hold %s for %s\n", GetUseButtonL(), w));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 8://power
			strcpy(s, "The Power must be Activated first\n");
			strcpy(c, "");
			button_pic_x = 100;
			break;
		case 9://perk
			strcpy(s, va("Hold %s to buy %s\n", GetUseButtonL(), GetPerkName(weapon), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 10://turn on power
			strcpy(s, va("Hold %s to Turn On the Power\n", GetUseButtonL()));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 11://turn on trap
			strcpy(s, va("Hold %s to Activate the Trap\n", GetUseButtonL(), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 12://PAP
			strcpy(s, va("Hold %s to Pack-a-Punch\n", GetUseButtonL(), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 13://revive
			strcpy(s, va("Hold %s to Fix your Code.. :)\n", GetUseButtonL()));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 14://use teleporter (free)
			strcpy(s, va("Hold %s to use Teleporter\n", GetUseButtonL()));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 15://use teleporter (cost)
			strcpy(s, va("Hold %s to use Teleporter\n", GetUseButtonL(), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		case 16://tp cooldown
			strcpy(s, "Teleporter is cooling down\n");
			strcpy(c, "");
			button_pic_x = 100;
			break;
		case 17://link
			strcpy(s, va("Hold %s to initiate link to pad\n", GetUseButtonL()));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 18://no link
			strcpy(s, "Link not active\n");
			strcpy(c, "");
			button_pic_x = 100;
			break;
		case 19://finish link
			strcpy(s, va("Hold %s to link pad with core\n", GetUseButtonL()));
			strcpy(c, "");
			button_pic_x = 5;
			break;
		case 20://buyable ending
			strcpy(s, va("Hold %s to End the Game\n", GetUseButtonL(), cost));
			strcpy(c, va("[Cost: %i]\n", cost));
			button_pic_x = 5;
			break;
		default:
			Con_Printf ("No type defined in engine for useprint\n");
			break;
	}

	strncpy (scr_usestring, va(s), sizeof(scr_usestring)-1);
	strncpy (scr_usestring2, va(c), sizeof(scr_usestring2)-1);
	scr_usetime_off = 0.1;
}

void SCR_DrawUseString (void)
{
	int		l, l2;
	int		x, x2, y;

	if (cl.stats[STAT_HEALTH] < 0) {
		return;
	}

#ifdef VITA

	float scale = 1.0f;

#else

	float scale = 1.25f;

#endif // VITA

	// The scale is double, so basically subtract the difference here...
	y = vid.height*0.85;
	l = strlen (scr_usestring);
    x = ((vid.width/2 - l*8*scale)/2);
	l2 = strlen (scr_usestring2);
	x2 = ((vid.width/2 - l2*8*scale)/2);

#ifdef VITA
    GL_SetCanvas(CANVAS_HUD);
#else
    GL_SetCanvas(CANVAS_USEPRINT);
#endif

    Draw_ColoredStringScale(x, y, scr_usestring, 1, 1, 1, 1, scale);
	Draw_ColoredStringScale(x2, y + 12*scale, scr_usestring2, 1, 1, 1, 1, scale);

    GL_SetCanvas(CANVAS_DEFAULT);
	Draw_Pic (x*2 + button_pic_x*16*scale, y*0.8125, GetButtonIcon("+use"));
}

void SCR_CheckDrawUseString (void)
{
	scr_copytop = 1;

	scr_usetime_off -= host_frametime;

	if (scr_usetime_off <= 0 && !cl.intermission) {
		return;
	}
	if (key_dest != key_game) {
		return;
	}
    if (cl.stats[STAT_HEALTH] <= 0) {
        return;
    }

	SCR_DrawUseString ();
}


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

CENTER PRINTING

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

char		scr_centerstring[1024];
float		scr_centertime_start;	// for slow victory printing
float		scr_centertime_off;
int			scr_center_lines;
int			scr_erase_lines;
int			scr_erase_center;

/*
==============
SCR_CenterPrint

Called for important messages that should stay in the center of the screen
for a few moments
==============
*/
void SCR_CenterPrint (const char *str) //update centerprint data
{
	strncpy (scr_centerstring, str, sizeof(scr_centerstring)-1);
	scr_centertime_off = scr_centertime.value;
	scr_centertime_start = cl.time;

// count the number of lines for centering
	scr_center_lines = 1;
	str = scr_centerstring;
	while (*str)
	{
		if (*str == '\n')
			scr_center_lines++;
		str++;
	}
}

void SCR_DrawCenterString (void) //actually do the drawing
{
	char	*start;
	int		l;
	int		j;
	int		x, y;
	int		remaining;

	GL_SetCanvas (CANVAS_MENU); //johnfitz

// the finale prints the characters one at a time
	if (cl.intermission)
		remaining = scr_printspeed.value * (cl.time - scr_centertime_start);
	else
		remaining = 9999;

	scr_erase_center = 0;
	start = scr_centerstring;

	if (scr_center_lines <= 4)
		y = 200*0.35;	//johnfitz -- 320x200 coordinate system
	else
		y = 48;
	if (crosshair.value)
		y -= 8;

	do
	{
	// scan the width of the line
		for (l=0 ; l<40 ; l++)
			if (start[l] == '\n' || !start[l])
				break;

#ifndef VITA

		int scale = 8;

#else

		int scale = 16;

#endif // VITA

		x = (320 - l*scale)/2;	//johnfitz -- 320x200 coordinate system
		for (j=0 ; j<l ; j++, x+=scale)
		{

#ifndef VITA

			Draw_Character (x, y, start[j]);	//johnfitz -- stretch overlays

#else

			Draw_CharacterScale(x, y, start[j], 2.0f);

#endif // VITA

			if (!remaining--)
				return;
		}

		y += scale;

		while (*start && *start != '\n')
			start++;

		if (!*start)
			break;
		start++;		// skip the \n
	} while (1);
}

void SCR_CheckDrawCenterString (void)
{
	if (scr_center_lines > scr_erase_lines)
		scr_erase_lines = scr_center_lines;

	scr_centertime_off -= host_frametime;

	if (scr_centertime_off <= 0 && !cl.intermission)
		return;
	if (key_dest != key_game)
		return;
	if (cl.paused) //johnfitz -- don't show centerprint during a pause
		return;

	SCR_DrawCenterString ();
}

//=============================================================================

/*
====================
AdaptFovx
Adapt a 4:3 horizontal FOV to the current screen size using the "Hor+" scaling:
2.0 * atan(width / height * 3.0 / 4.0 * tan(fov_x / 2.0))
====================
*/
float AdaptFovx (float fov_x, float width, float height)
{
	float	a, x;

	if (fov_x < 1 || fov_x > 179)
		Sys_Error ("Bad fov: %f", fov_x);

	if (!scr_fov_adapt.value)
		return fov_x;
	if ((x = height / width) == 0.75)
		return fov_x;
	a = atan(0.75 / x * tan(fov_x / 360 * M_PI));
	a = a * 360 / M_PI;
	return a;
}

/*
====================
CalcFovy
====================
*/
float CalcFovy (float fov_x, float width, float height)
{
	float	a, x;

	if (fov_x < 1 || fov_x > 179)
		Sys_Error ("Bad fov: %f", fov_x);

	x = width / tan(fov_x / 360 * M_PI);
	a = atan(height / x);
	a = a * 360 / M_PI;
	return a;
}

/*
=================
SCR_CalcRefdef

Must be called whenever vid changes
Internal use only
=================
*/
static void SCR_CalcRefdef (void)
{
	float		size, scale; //johnfitz -- scale

// force the status bar to redraw
	Sbar_Changed ();

	scr_tileclear_updates = 0; //johnfitz

// bound viewsize
	if (scr_viewsize.value < 30)
		Cvar_SetQuick (&scr_viewsize, "30");
	if (scr_viewsize.value > 120)
		Cvar_SetQuick (&scr_viewsize, "120");

	vid.recalc_refdef = 0;

	//johnfitz -- rewrote this section
	size = scr_viewsize.value;
	scale = CLAMP (1.0, scr_sbarscale.value, (float)glwidth / 320.0);

	if (size >= 120 || cl.intermission || scr_sbaralpha.value < 1) //johnfitz -- scr_sbaralpha.value
		sb_lines = 0;
	else if (size >= 110)
		sb_lines = 24 * scale;
	else
		sb_lines = 48 * scale;

	size = q_min(scr_viewsize.value, 100) / 100;
	//johnfitz

	//johnfitz -- rewrote this section
	r_refdef.vrect.width = q_max(glwidth * size, 96); //no smaller than 96, for icons
	r_refdef.vrect.height = q_min(glheight * size, glheight);
	r_refdef.vrect.x = (glwidth - r_refdef.vrect.width)/2;
	r_refdef.vrect.y = (glheight - r_refdef.vrect.height)/2;
	//johnfitz

	// cypress -- hack to enable more standard fov values in quakespasm
	r_refdef.fov_x = AdaptFovx(scr_fov.value - 15, vid.width, vid.height);
	r_refdef.fov_y = CalcFovy (r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height);

	scr_vrect = r_refdef.vrect;
}


/*
=================
SCR_SizeUp_f

Keybinding command
=================
*/
void SCR_SizeUp_f (void)
{
	Cvar_SetValueQuick (&scr_viewsize, scr_viewsize.value+10);
}


/*
=================
SCR_SizeDown_f

Keybinding command
=================
*/
void SCR_SizeDown_f (void)
{
	Cvar_SetValueQuick (&scr_viewsize, scr_viewsize.value-10);
}

static void SCR_Callback_refdef (cvar_t *var)
{
	vid.recalc_refdef = 1;
}

/*
==================
SCR_Conwidth_f -- johnfitz -- called when scr_conwidth or scr_conscale changes
==================
*/
void SCR_Conwidth_f (cvar_t *var)
{
	vid.recalc_refdef = 1;
	vid.conwidth = (scr_conwidth.value > 0) ? (int)scr_conwidth.value : (scr_conscale.value > 0) ? (int)(vid.width/scr_conscale.value) : vid.width;
	vid.conwidth = CLAMP (320, vid.conwidth, vid.width);
	vid.conwidth &= 0xFFFFFFF8;
	vid.conheight = vid.conwidth * vid.height / vid.width;
}

//============================================================================

/*
==================
SCR_LoadPics -- johnfitz
==================
*/
void SCR_LoadPics (void)
{
	scr_ram = Draw_PicFromWad ("ram");
	scr_net = Draw_PicFromWad ("net");
	scr_turtle = Draw_PicFromWad ("turtle");

	hitmark = Draw_CachePic("gfx/hud/hit_marker.tga");
	//ls_wahnsinn = Draw_CachePic ("gfx/lscreen/psp_wahnsinn.lmp");
	//ls_anstieg = Draw_CachePic ("gfx/lscreen/psp_anstieg.tga");
}

/*
==================
SCR_Init
==================
*/
void SCR_Init (void)
{
	//johnfitz -- new cvars
	Cvar_RegisterVariable (&scr_menuscale);
	Cvar_RegisterVariable (&scr_sbarscale);
	Cvar_RegisterVariable (&cl_crosshair_debug);
	Cvar_SetCallback (&scr_sbaralpha, SCR_Callback_refdef);
	Cvar_RegisterVariable (&scr_loadscreen); //sB loading screen
	Cvar_RegisterVariable (&scr_sbaralpha);
	Cvar_SetCallback (&scr_conwidth, &SCR_Conwidth_f);
	Cvar_SetCallback (&scr_conscale, &SCR_Conwidth_f);
	Cvar_RegisterVariable (&scr_conwidth);
	Cvar_RegisterVariable (&scr_conscale);
	Cvar_RegisterVariable (&scr_crosshairscale);
	Cvar_RegisterVariable (&scr_showfps);
	Cvar_RegisterVariable (&scr_clock);
	//johnfitz
	Cvar_SetCallback (&scr_fov, SCR_Callback_refdef);
	Cvar_SetCallback (&scr_fov_adapt, SCR_Callback_refdef);
	Cvar_SetCallback (&scr_viewsize, SCR_Callback_refdef);
	Cvar_RegisterVariable (&scr_fov);
	Cvar_RegisterVariable (&scr_fov_adapt);
	Cvar_RegisterVariable (&scr_dynamic_fov); //sB add dynamic FOV toggle
	Cvar_RegisterVariable (&scr_fov_viewmodel); //sB porting seperate viewmodel FOV
	Cvar_RegisterVariable (&scr_viewsize);
	Cvar_RegisterVariable (&scr_conspeed);
	Cvar_RegisterVariable (&scr_showram);
	Cvar_RegisterVariable (&scr_showturtle);
	Cvar_RegisterVariable (&scr_showpause);
	Cvar_RegisterVariable (&scr_centertime);
	Cvar_RegisterVariable (&scr_printspeed);
	Cvar_RegisterVariable (&gl_triplebuffer);

	Cmd_AddCommand ("screenshot",SCR_ScreenShot_f);
	Cmd_AddCommand ("sizeup",SCR_SizeUp_f);
	Cmd_AddCommand ("sizedown",SCR_SizeDown_f);

	SCR_LoadPics (); //johnfitz

	scr_initialized = true;
}

//============================================================================

/*
==============
SCR_DrawFPS -- johnfitz
==============
*/
void SCR_DrawFPS (void)
{
	static double	oldtime = 0;
	static double	lastfps = 0;
	static int	oldframecount = 0;
	double	elapsed_time;
	int	frames;

	elapsed_time = realtime - oldtime;
	frames = r_framecount - oldframecount;

	if (elapsed_time < 0 || frames < 0)
	{
		oldtime = realtime;
		oldframecount = r_framecount;
		return;
	}
	// update value every 3/4 second
	if (elapsed_time > 0.75)
	{
		lastfps = frames / elapsed_time;
		oldtime = realtime;
		oldframecount = r_framecount;
	}

	if (scr_showfps.value)
	{
		char	st[16];
		int	x, y;
		sprintf (st, "%4.0f fps", lastfps);
		x = 320 - (strlen(st)<<3);
		y = 200 - 8;
		if (scr_clock.value) y -= 8; //make room for clock
		GL_SetCanvas (CANVAS_BOTTOMRIGHT);
		Draw_String (x, y, st);
		scr_tileclear_updates = 0;
	}
}

/*
==============
SCR_DrawClock -- johnfitz
==============
*/
void SCR_DrawClock (void)
{
	char	str[12];

	if (scr_clock.value == 1)
	{
		int minutes, seconds;

		minutes = cl.time / 60;
		seconds = ((int)cl.time)%60;

		sprintf (str,"%i:%i%i", minutes, seconds/10, seconds%10);
	}
	else
		return;

	//draw it
	GL_SetCanvas (CANVAS_BOTTOMRIGHT);
	Draw_String (320 - (strlen(str)<<3), 200 - 8, str);

	scr_tileclear_updates = 0;
}

/*
==============
SCR_DrawDevStats
==============
*/
void SCR_DrawDevStats (void)
{
	char	str[40];
	int		y = 25-9; //9=number of lines to print
	int		x = 0; //margin

	if (!devstats.value)
		return;

	GL_SetCanvas (CANVAS_BOTTOMLEFT);

	Draw_Fill (x, y*8, 19*8, 9*8, 0, 0.5); //dark rectangle

	sprintf (str, "devstats |Curr Peak");
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "---------+---------");
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Edicts   |%4i %4i", dev_stats.edicts, dev_peakstats.edicts);
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Packet   |%4i %4i", dev_stats.packetsize, dev_peakstats.packetsize);
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Visedicts|%4i %4i", dev_stats.visedicts, dev_peakstats.visedicts);
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Efrags   |%4i %4i", dev_stats.efrags, dev_peakstats.efrags);
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Dlights  |%4i %4i", dev_stats.dlights, dev_peakstats.dlights);
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Beams    |%4i %4i", dev_stats.beams, dev_peakstats.beams);
	Draw_String (x, (y++)*8-x, str);

	sprintf (str, "Tempents |%4i %4i", dev_stats.tempents, dev_peakstats.tempents);
	Draw_String (x, (y++)*8-x, str);
}

/*
==============
SCR_DrawRam
==============
*/
void SCR_DrawRam (void)
{
	if (!scr_showram.value)
		return;

	if (!r_cache_thrash)
		return;

	GL_SetCanvas (CANVAS_DEFAULT); //johnfitz

	Draw_Pic (scr_vrect.x+32, scr_vrect.y, scr_ram);
}

/*
==============
SCR_DrawTurtle
==============
*/
void SCR_DrawTurtle (void)
{
	static int	count;

	if (!scr_showturtle.value)
		return;

	if (host_frametime < 0.1)
	{
		count = 0;
		return;
	}

	count++;
	if (count < 3)
		return;

	GL_SetCanvas (CANVAS_DEFAULT); //johnfitz

	Draw_Pic (scr_vrect.x, scr_vrect.y, scr_turtle);
}

/*
==============
SCR_DrawNet
==============
*/
void SCR_DrawNet (void)
{
	if (realtime - cl.last_received_message < 0.3)
		return;
	if (cls.demoplayback)
		return;

	GL_SetCanvas (CANVAS_DEFAULT); //johnfitz

	Draw_Pic (scr_vrect.x+64, scr_vrect.y, scr_net);
}

/*
==============
DrawPause
==============
*/
void SCR_DrawPause (void)
{
	qpic_t	*pic;

	if (!cl.paused)
		return;

	if (!scr_showpause.value)		// turn off for screenshots
		return;

	GL_SetCanvas (CANVAS_MENU); //johnfitz

	scr_tileclear_updates = 0; //johnfitz
}

/*
==============
SCR_DrawLoading
==============
*/
void SCR_DrawLoading (void)
{
	qpic_t	*pic;

	if (!scr_drawloading)
		return;

	scr_tileclear_updates = 0; //johnfitz
}

int Random_Int (int max_int)
{
	float	f;
	f = (rand ()&0x7fff) / ((float)0x7fff) * max_int;
	if (f > 0)
		return (int)(f + 0.5) + 1;
	else
		return (int)(f - 0.5) + 1;
}
/*
==============
SCR_DrawLoadScreen
==============
*/

/*
	Creds to the following people from the 2020
	Loading Screen Hint Submission/Contest:

	* BCDeshiG
	* Derped_Crusader
	* Aidan
	* yasen
	* greg
	* Asher
	* Bernerd
	* Omar Alejandro
	* TheSmashers
*/

// 50 character limit

double loadingtimechange;
int loadingdot;
int loadingtextwidth;
char *lodinglinetext;
qpic_t *awoo;
char *ReturnLoadingtex (void)
{
    int StringNum = Random_Int(74);
    switch(StringNum)
    {
        case 1:
			return  "Released in 1996, Quake is over 25 years old!";
            break;
        case 2:
            return  "Use the Kar98-k to be the hero we want you to be!";
            break;
        case 3:
            return  "Lots of modern engines are based on Quake!";
            break;
        case 4:
            return  "NZ:P began development on September 27 2009!";
            break;
        case 5:
            return  "NZ:P was first released on December 25, 2010!";
            break;
        case 6:
            return  "NZ:P Beta 1.1 has over 300,000 downloads!";
            break;
        case 7:
            return  "NZ:P has been downloaded over 500,000 times!";
            break;
        case 8:
            return  "NZ:P was made mainly by 3 guys around the world!";
            break;
        case 9:
            return  "Blubswillrule: known as \"blubs\", is from the USA.";
            break;
        case 10:
            return  "Jukki is from Finland.";
            break;
        case 11:
            return  "Ju[s]tice, or \"tom\" is from Lithuania.";
            break;
        case 12:
            return  "This game has given us bad sleeping habits!";
            break;
        case 13:
            return  "We had a lot of fun making this game!";
            break;
        case 14:
            return  "Pro Tip: you can make your own custom map!";
            break;
        case 15:
            return  "Try Retro Mode, it's in the Graphics Settings!";
            break;
        case 16:
			return  "Tired of our maps? Make your own or download some!";
            break;
        case 17:
            return  "Slay zombies & be grateful.";
            break;
        case 18:
            return  "Custom maps, CUSTOM MAPS!";
            break;
        case 19:
            return  "Go outside & build a snowman!";
            break;
        case 20:
            return  "Please surround yourself with zombies!";
            break;
        case 21:
            return  "Don't play for too long, or zombies will eat you.";
            break;
        case 22:
            return  "That was epic... EPIC FOR THE WIIIN!"; //why
            break;
        case 23:
#ifndef VITA
            return  "Ryujinx and Yuzu are awesome NX emulators!";
#else
			return 	"Vita3k is an awesome PS Vita emulator!";
#endif // VITA
            break;
        case 24:
            return  "You dead yet?";
            break;
        case 25:
            return  "Now 21% cooler!";
            break;
        case 26:
            return  "your lg is nothink on the lan!"; //what
            break;
        case 27:
            return  "I'm not your chaotic on dm6!"; 
            break;
        case 28:
            return  "Shoot or knife zombies to kill them, up to you!";
            break;
        case 29:
            return 	"How many people forgot to Compile today?";
            break;
        case 30:
            return  "ggnore";
            break;
        case 31:
#ifndef VITA
			return  "NZ:P is also on PC, 3DS, Vita, and PSP!";
#else
			return 	"NZ:P is also on PC, 3DS, Switch, and PSP!";
#endif // VITA
            break;
        case 32:
            return  "Submerge your device in water for godmode!";
            break;
        case 33:
            return  "10/10/10 was a good day.";
            break;
        case 34:
#ifndef VITA
            return  "Also check out \"DiabloNX\" for Switch!";
#else
			return 	"Also check out \"RPPHS\" for PS Vita!";
#endif // VITA
            break;
        case 35:
            return 	"CypressImplex, or \"Ivy\", is from the USA.";
            break;
        case 36:
            return  "Zombies don't like bullets.";
            break;
        case 37:
            return  "Thanks for being an awesome fan!";
            break;
		case 38:
			return 	"Removed Herobrine";
			break;
		case 39:
			return 	"Pack-a-Punch the Kar98k to get to round infinity.";
			break;
		case 40:
			return 	"I feel like I'm being gaslit.";
			break;
		case 41:
			return 	"Heads up! You will die if you are killed!";
			break;
		case 42:
			return 	"Zombies legally can't kill you if you say no!";
			break;
		case 43:
			return 	"Please help me find the meaning of   . Thanks.";
			break;
		case 44:
			return  "Discord is ONLY for Thomas the Tank Engine RP!";
			break;
		case 45:
			return 	"\"Get rid of the 21% tip, it's an MLP reference.\"";
			break;
		case 46:
#ifndef VITA
			return 	"You're playing on Nintendo Switch!";
#else
			return 	"You're playing on PlayStation Vita!";
#endif // VITA
			break;
		case 47:
			return 	"Don't leak the beta!";
			break;
		case 48:
			return  "Jugger-Nog increases your health!";
			break;
		case 49:
			return  "greg was here";
			break;
		case 50:
			return  "Where the hell is the Mystery Box?!";
			break;
		case 51:
			return  "Zombies like getting shot.. I think.";
			break;
		case 52:
			return  "pro tip: aiming helps";
			break;
		case 53:
			return  "\"my mom gave me plunger money\"";
			break;
		case 54:
			return "dolphin dive on top of your friend for god mode";
			break;
		case 55:
			return "no free rides. ass, grass, or cash!";
			break;
		case 56:
			return "nzp-team.github.io/latest/game.html";
			break;
		case 57:
			return "im an mlg gamer girl so its pretty guaranteed";
			break;
		case 58:
			return "this is a w because you cant have enough fnaf";
			break;
		case 59:
			return "i hope santa drops bombs on the uk";
			break;
		case 60:
			return "Hoyl shit, bro! You fucking ported fortnite!";
			break;
		case 61:
			return "icarly feet futtishist.";
			break;
		case 62:
			return "Well, it's impossible to play, I'm disgusted.";
			break;
		case 63:
			return "I like my women to not be cartoons";
			break;
		case 64:
			return "Plot twist: NZP was always broken";
			break;
		case 65:
			return "testing some think.";
			break;
		case 66:
			return "fnaf is older than gay marriage in the us";
			break;
		case 67:
			return "i want that twink Obliterated";
			break;
		case 68:
			return "i think he's started the femboy transition process";
			break;
		case 69:
			return "nice";
			break;
		case 70:
			return "He's FUCKING annoying";
			break;
		case 71:
			return "yeah pog female bikers";
			break;
		case 72:
			return "This is either a stroke of genius or just a stroke";
			break;
		case 73:
			return  "Play some Custom Maps!";
			break;
    }
    return "wut wut";
}

char lpath[MAX_QPATH];
extern int textstate;
void SCR_DrawLoadScreen (void)
{
	int max_step   	= 350;
	int x          	= (vid.width  / 2) - (max_step / 2);

	if (developer.value)
		return;
	if (!con_forcedup)
	    return;

	if (loadingScreen) {
		textstate = 0; // Reset HUD Round intro
		if (!loadscreeninit) {
			lscreen = Draw_CachePic(va("gfx/lscreen/%s.png", loadname2));

			if (lscreen == NULL) {
				lscreen = Draw_CachePic(va("gfx/lscreen/%s.tga", loadname2));
			}

			if (lscreen == NULL) {
				lscreen = Draw_CachePic("gfx/lscreen/lscreen.png");
			}

			//awoo = Draw_CachePic("gfx/menu/awoo.png");

			loadscreeninit = true;
		}

		if (lscreen != NULL) {
#ifdef VITA
			Draw_StretchPic(0, 0, lscreen, vid.width, vid.height);
#else
			Draw_StretchPic(0, 0, lscreen, vid.width/2, vid.height/2);
#endif // VITA
		}
		
#ifdef VITA
		Draw_FillByColor(0, 0, 960, 48, 0, 0, 0, 150); 
		Draw_FillByColor(0, 496, 960, 48, 0, 0, 0, 150);

		Draw_ColoredStringScale(4, 8, loadnamespec, 255, 255, 0, 255, 4.0f);
#else
		Draw_FillByColor(0, 0, 1280, 29, 0, 0, 0, 150); 
		Draw_FillByColor(0, 331, 1280, 29, 0, 0, 0, 150);

		Draw_ColoredStringScale(5, 7, loadnamespec, 255, 255, 0, 255, 2.0f);
#endif // VITA
		
	}

	if (loadingtimechange < Sys_DoubleTime ()) {
        lodinglinetext = ReturnLoadingtex();
		loadingtextwidth = strlen(lodinglinetext); //strlen(lodinglinetext)*8
        loadingtimechange = Sys_DoubleTime () + 5;
	}

	if (key_dest == key_game) {
#ifdef VITA
		Draw_ColoredStringScale((vid.width - loadingtextwidth*16)/2, 544 - 16 - 8, lodinglinetext, 255, 255, 255, 255, 2.0f);

		//if (strcmp(lodinglinetext, "Please help me find the meaning of   . Thanks.") == 0) {
			//Draw_Pic(335, 255, awoo);
#else
		Draw_ColoredStringScale((640 - loadingtextwidth*10)/2, 342, lodinglinetext, 255, 255, 255, 255, 1.25f);

		//if (strcmp(lodinglinetext, "Please help me find the meaning of   . Thanks.") == 0)
			//Draw_StretchPic(335, 337, awoo, 17, 17);
#endif // VITA
	}

}


//=============================================================================

//cvar_t	crosshair;
extern cvar_t crosshair;
extern qboolean croshhairmoving;
//extern cvar_t cl_zoom;
extern qpic_t *hitmark;
double Hitmark_Time, crosshair_spread_time;
float cur_spread;
float crosshair_offset_step;

int CrossHairWeapon (void)
{
    int i;
	switch(cl.stats[STAT_ACTIVEWEAPON])
	{
		case W_COLT:
		case W_BIATCH:
		case W_357:
		case W_KILLU:
			i = 22;
			break;
		case W_PTRS:
		case W_PENETRATOR:
		case W_KAR_SCOPE:
		case W_HEADCRACKER:
		case W_KAR:
		case W_ARMAGEDDON:
		case W_SPRING:
		case W_PULVERIZER:
			i = 65;
			break;
		case W_MP40:
		case W_AFTERBURNER:
		case W_STG:
		case W_SPATZ:
		case W_THOMPSON:
		case W_GIBS:
		case W_BAR:
		case W_WIDOW:
		case W_PPSH:
		case W_REAPER:
		case W_RAY:
		case W_PORTER:
		case W_TYPE:
		case W_SAMURAI:
		case W_FG:
		case W_IMPELLER:
		case W_MP5:
		case W_KOLLIDER:
			i = 10;
			break;
		case W_BROWNING:
		case W_ACCELERATOR:
		case W_MG:
		case W_BARRACUDA:
			i = 30;
			break;
		case W_SAWNOFF:
		case W_SNUFF:
			i = 50;
			break;
		case W_TRENCH:
		case W_GUT:
		case W_DB:
		case W_BORE:
			i = 35;
			break;
		case W_GEWEHR:
		case W_COMPRESSOR:
		case W_M1:
		case W_M1000:
		case W_M1A1:
		case W_WIDDER:
			i = 5;
			break;
		case W_PANZER:
		case W_LONGINUS:
		case W_TESLA:
			i = 0;
			break;
		default:
			i = 0;
			break;
	}

	i += 10;

    if (cl.perks & 64)
        i *= 0.75;

    return i;
}
int CrossHairMaxSpread (void)
{
	int i;
	switch(cl.stats[STAT_ACTIVEWEAPON])
	{
		case W_COLT:
		case W_BIATCH:
		case W_STG:
		case W_SPATZ:
		case W_MP40:
		case W_AFTERBURNER:
		case W_THOMPSON:
		case W_GIBS:
		case W_BAR:
		case W_WIDOW:
		case W_357:
		case W_KILLU:
		case W_BROWNING:
		case W_ACCELERATOR:
		case W_FG:
		case W_IMPELLER:
		case W_MP5:
		case W_KOLLIDER:
		case W_MG:
		case W_BARRACUDA:
		case W_PPSH:
		case W_REAPER:
		case W_RAY:
		case W_PORTER:
		case W_TYPE:
		case W_SAMURAI:
			i = 48;
			break;
		case W_PTRS:
		case W_PENETRATOR:
		case W_KAR_SCOPE:
		case W_HEADCRACKER:
		case W_KAR:
		case W_ARMAGEDDON:
		case W_SPRING:
		case W_PULVERIZER:
			i = 75;
			break;
		case W_SAWNOFF:
		case W_SNUFF:
			i = 50;
			break;
		case W_DB:
		case W_BORE:
		case W_TRENCH:
		case W_GUT:
		case W_GEWEHR:
		case W_COMPRESSOR:
		case W_M1:
		case W_M1000:
		case W_M1A1:
		case W_WIDDER:
			i = 35;
			break;
		case W_PANZER:
		case W_LONGINUS:
		case W_TESLA:
			i = 0;
			break;
		default:
			i = 0;
			break;
	}

	i += 10;

    if (cl.perks & 64)
        i *= 0.75;

    return i;
}

/*
================
Draw_Crosshair
================
*/
extern qboolean paused_hack;
extern qboolean crosshair_pulse_grenade;
void SCR_DrawCrosshair (void)
{
	if (paused_hack == true || m_state == m_exit) {
		return;
	}

	if (cl_crosshair_debug.value) {
		Draw_FillByColor(vid.width/2, 0, 1, vid.height, 255, 0, 0, 255);
		Draw_FillByColor(0, vid.height/2, vid.width, 1, 0, 255, 0, 255);
	}

	if (cl.stats[STAT_HEALTH] <= 20)
		return;
	
	float col;

	if (cl.facingenemy == 1) {
		col = 0;
	} else {
		col = 255;
	}
	
#ifdef VITA
	GL_SetCanvas(CANVAS_HUD);
#else
	GL_SetCanvas(CANVAS_USEPRINT);
#endif

	if (cl.stats[STAT_ZOOM] == 2) {
		GL_SetCanvas(CANVAS_DEFAULT);
		Draw_AlphaStretchPic (0, 0, vid.width, vid.height, 255, sniper_scope);
	}
   	if (Hitmark_Time > sv.time) {
        Draw_Pic ((vid.width/2 - hitmark->width)/2,vid.height/2 + (vid.height/2 - hitmark->height)/2, hitmark);
   	}

	// Make sure to do this after hitmark drawing.
	if (cl.stats[STAT_ZOOM] == 2 || cl.stats[STAT_ZOOM] == 1) {
		GL_SetCanvas(CANVAS_DEFAULT);
		return;
	}

	if (crosshair_spread_time > sv.time && crosshair_spread_time)
    {
        cur_spread = cur_spread + 10;
		if (cur_spread >= CrossHairMaxSpread())
			cur_spread = CrossHairMaxSpread();
    }
    else if (crosshair_spread_time < sv.time && crosshair_spread_time)
    {
        cur_spread = cur_spread - 4;
		if (cur_spread <= 0)
		{
			cur_spread = 0;
			crosshair_spread_time = 0;
		}
    }

	int x_value, y_value;
	int crosshair_offset;

	// Standard crosshair (+)
	if (crosshair.value == 1) {
		x_value, y_value;
        crosshair_offset = CrossHairWeapon() + cur_spread;
		if (CrossHairMaxSpread() < crosshair_offset || croshhairmoving)
			crosshair_offset = CrossHairMaxSpread();

		crosshair_offset_step += (crosshair_offset - crosshair_offset_step) * 0.5;

		x_value = ((vid.width - 8)/4) - crosshair_offset_step;
		y_value = (vid.height - 8)*3/4;

		Draw_CharacterRGBA (x_value, y_value, 158, 255, col, col, 0.7);

		x_value = ((vid.width - 8)/4) + crosshair_offset_step;
		y_value = (vid.height - 8)*3/4;

		Draw_CharacterRGBA (x_value, y_value, 158, 255, col, col, 0.7);

		x_value = ((vid.width - 8)/4);
		y_value = (vid.height - 8)*3/4 - crosshair_offset_step;

		Draw_CharacterRGBA (x_value, y_value, 157, 255, col, col, 0.7);

		x_value = ((vid.width - 8)/4);
		y_value = (vid.height - 8)*3/4 + crosshair_offset_step;

		Draw_CharacterRGBA (x_value, y_value, 157, 255, col, col, 0.7);
	}
	// Area of Effect (o)
	else if (crosshair.value == 2) {
		Draw_CharacterRGBA ((vid.width)/4-4, (vid.height)*3/4, 'O', 255, col, col, 0.7);
	}
	// Dot crosshair (.)
	else if (crosshair.value == 3) {
		Draw_CharacterRGBA ((vid.width - 8)/4/* + crosshair_x*/, (vid.height - 8)*3/4/* + crosshair_y*/, '.', 255, col, col, 0.7);
	}
	// Grenade crosshair
	else if (crosshair.value == 4) {
		if (crosshair_pulse_grenade) {
			crosshair_offset_step = 0;
			cur_spread = 2;
		}

		crosshair_pulse_grenade = false;

        crosshair_offset = 12 + cur_spread;
		crosshair_offset_step += (crosshair_offset - crosshair_offset_step) * 0.5;

		x_value = ((vid.width - 8)/4) - crosshair_offset_step;
		y_value = (vid.height - 8)*3/4;

		Draw_CharacterRGBA (x_value, y_value, 158, 255, 255, 255, 0.7);

		x_value = ((vid.width - 8)/4) + crosshair_offset_step;
		y_value = (vid.height - 8)*3/4;

		Draw_CharacterRGBA (x_value, y_value, 158, 255, 255, 255, 0.7);

		x_value = ((vid.width - 8)/4);
		y_value = (vid.height - 8)*3/4 - crosshair_offset_step;

		Draw_CharacterRGBA (x_value, y_value, 157, 255, 255, 255, 0.7);

		x_value = ((vid.width - 8)/4);
		y_value = (vid.height - 8)*3/4 + crosshair_offset_step;

		Draw_CharacterRGBA (x_value, y_value, 157, 255, 255, 255,  0.7);
	}

   	GL_SetCanvas(CANVAS_DEFAULT);
}



//=============================================================================


/*
==================
SCR_SetUpToDrawConsole
==================
*/
void SCR_SetUpToDrawConsole (void)
{
	//johnfitz -- let's hack away the problem of slow console when host_timescale is <0
	extern cvar_t host_timescale;
	float timescale;
	//johnfitz

	Con_CheckResize ();

	if (scr_drawloading)
		return;		// never a console with loading plaque

// decide on the height of the console
	con_forcedup = !cl.worldmodel || cls.signon != SIGNONS;

	if (con_forcedup)
	{
		scr_conlines = glheight; //full screen //johnfitz -- glheight instead of vid.height
		scr_con_current = scr_conlines;
	}
	else if (key_dest == key_console)
		scr_conlines = glheight/2; //half screen //johnfitz -- glheight instead of vid.height
	else
		scr_conlines = 0; //none visible

	timescale = (host_timescale.value > 0) ? host_timescale.value : 1; //johnfitz -- timescale

	if (scr_conlines < scr_con_current)
	{
		// ericw -- (glheight/600.0) factor makes conspeed resolution independent, using 800x600 as a baseline
		scr_con_current -= scr_conspeed.value*(glheight/600.0)*host_frametime/timescale; //johnfitz -- timescale
		if (scr_conlines > scr_con_current)
			scr_con_current = scr_conlines;
	}
	else if (scr_conlines > scr_con_current)
	{
		// ericw -- (glheight/600.0)
		scr_con_current += scr_conspeed.value*(glheight/600.0)*host_frametime/timescale; //johnfitz -- timescale
		if (scr_conlines < scr_con_current)
			scr_con_current = scr_conlines;
	}

	if (clearconsole++ < vid.numpages)
		Sbar_Changed ();

	if (!con_forcedup && scr_con_current)
		scr_tileclear_updates = 0; //johnfitz
}


/*
==================
SCR_DrawConsole
==================
*/
void SCR_DrawConsole (void)
{
	if (scr_con_current)
	{
		Con_DrawConsole (scr_con_current, true);
		clearconsole = 0;
	}
	else
	{
		if (key_dest == key_game || key_dest == key_message)
			Con_DrawNotify ();	// only draw notify in game
	}
}


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

SCREEN SHOTS

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

static void SCR_ScreenShot_Usage (void)
{
	Con_Printf ("usage: screenshot <format> <quality>\n");
	Con_Printf ("   format must be \"png\" or \"tga\" or \"jpg\"\n");
	Con_Printf ("   quality must be 1-100\n");
	return;
}

/*
==================
SCR_ScreenShot_f -- johnfitz -- rewritten to use Image_WriteTGA
==================
*/
void SCR_ScreenShot_f (void)
{
	byte	*buffer;
	char	ext[4];
	char	imagename[16];  //johnfitz -- was [80]
	char	checkname[MAX_OSPATH];
	int	i, quality;
	qboolean	ok;

	Q_strncpy (ext, "png", sizeof(ext));

	if (Cmd_Argc () >= 2)
	{
		const char	*requested_ext = Cmd_Argv (1);

		if (!q_strcasecmp ("png", requested_ext)
		    || !q_strcasecmp ("tga", requested_ext)
		    || !q_strcasecmp ("jpg", requested_ext))
			Q_strncpy (ext, requested_ext, sizeof(ext));
		else
		{
			SCR_ScreenShot_Usage ();
			return;
		}
	}

// read quality as the 3rd param (only used for JPG)
	quality = 90;
	if (Cmd_Argc () >= 3)
		quality = Q_atoi (Cmd_Argv(2));
	if (quality < 1 || quality > 100)
	{
		SCR_ScreenShot_Usage ();
		return;
	}
	
// find a file name to save it to
	for (i=0; i<10000; i++)
	{
		q_snprintf (imagename, sizeof(imagename), "spasm%04i.%s", i, ext);	// "fitz%04i.tga"
		q_snprintf (checkname, sizeof(checkname), "%s/%s", com_gamedir, imagename);
		if (Sys_FileTime(checkname) == -1)
			break;	// file doesn't exist
	}
	if (i == 10000)
	{
		Con_Printf ("SCR_ScreenShot_f: Couldn't find an unused filename\n");
		return;
	}

//get data
	if (!(buffer = (byte *) malloc(glwidth*glheight*3)))
	{
		Con_Printf ("SCR_ScreenShot_f: Couldn't allocate memory\n");
		return;
	}
#ifndef VITA
	glPixelStorei (GL_PACK_ALIGNMENT, 1);/* for widths that aren't a multiple of 4 */
#endif
	glReadPixels (glx, gly, glwidth, glheight, GL_RGB, GL_UNSIGNED_BYTE, buffer);

// now write the file
	if (!q_strncasecmp (ext, "png", sizeof(ext)))
		ok = Image_WritePNG (imagename, buffer, glwidth, glheight, 24, false);
	else if (!q_strncasecmp (ext, "tga", sizeof(ext)))
		ok = Image_WriteTGA (imagename, buffer, glwidth, glheight, 24, false);
	else if (!q_strncasecmp (ext, "jpg", sizeof(ext)))
		ok = Image_WriteJPG (imagename, buffer, glwidth, glheight, 24, quality, false);
	else
		ok = false;

	if (ok)
		Con_Printf ("Wrote %s\n", imagename);
	else
		Con_Printf ("SCR_ScreenShot_f: Couldn't create %s\n", imagename);

	free (buffer);
}


//=============================================================================


/*
===============
SCR_BeginLoadingPlaque

================
*/
void SCR_BeginLoadingPlaque (void)
{
	S_StopAllSounds (true);

	if (cls.state != ca_connected)
		return;
	if (cls.signon != SIGNONS)
		return;

// redraw with no console and the loading plaque
	Con_ClearNotify ();
	scr_centertime_off = 0;
	scr_con_current = 0;

	scr_drawloading = true;
	Sbar_Changed ();
	SCR_UpdateScreen ();
	scr_drawloading = false;

	scr_disabled_for_loading = true;
	scr_disabled_time = realtime;
}

/*
===============
SCR_EndLoadingPlaque

================
*/
void SCR_EndLoadingPlaque (void)
{
	scr_disabled_for_loading = false;
	Con_ClearNotify ();
}

//=============================================================================

const char	*scr_notifystring;
qboolean	scr_drawdialog;

void SCR_DrawNotifyString (void)
{
	const char	*start;
	int		l;
	int		j;
	int		x, y;

	GL_SetCanvas (CANVAS_MENU); //johnfitz

	start = scr_notifystring;

	y = 200 * 0.35; //johnfitz -- stretched overlays

	do
	{
	// scan the width of the line
		for (l=0 ; l<40 ; l++)
			if (start[l] == '\n' || !start[l])
				break;
		x = (320 - l*8)/2; //johnfitz -- stretched overlays
		for (j=0 ; j<l ; j++, x+=8)
			Draw_Character (x, y, start[j]);

		y += 8;

		while (*start && *start != '\n')
			start++;

		if (!*start)
			break;
		start++;		// skip the \n
	} while (1);
}

/*
==================
SCR_ModalMessage

Displays a text string in the center of the screen and waits for a Y or N
keypress.
==================
*/
int SCR_ModalMessage (const char *text, float timeout) //johnfitz -- timeout
{
	double time1, time2; //johnfitz -- timeout
	int lastkey, lastchar;

	if (cls.state == ca_dedicated)
		return true;

	scr_notifystring = text;

// draw a fresh screen
	scr_drawdialog = true;
	SCR_UpdateScreen ();
	scr_drawdialog = false;

	S_ClearBuffer ();		// so dma doesn't loop current sound

	time1 = Sys_DoubleTime () + timeout; //johnfitz -- timeout
	time2 = 0.0f; //johnfitz -- timeout

	Key_BeginInputGrab ();
	do
	{
		Sys_SendKeyEvents ();
		Key_GetGrabbedInput (&lastkey, &lastchar);
		Sys_Sleep (16);
		if (timeout) time2 = Sys_DoubleTime (); //johnfitz -- zero timeout means wait forever.
	} while (lastchar != 'y' && lastchar != 'Y' &&
		 lastchar != 'n' && lastchar != 'N' &&
		 lastkey != K_ESCAPE &&
		 lastkey != K_ABUTTON &&
		 lastkey != K_BBUTTON &&
		 time2 <= time1);
	Key_EndInputGrab ();

//	SCR_UpdateScreen (); //johnfitz -- commented out

	//johnfitz -- timeout
	if (time2 > time1)
		return false;
	//johnfitz

	return (lastchar == 'y' || lastchar == 'Y' || lastkey == K_ABUTTON);
}


//=============================================================================

//johnfitz -- deleted SCR_BringDownConsole


/*
==================
SCR_TileClear
johnfitz -- modified to use glwidth/glheight instead of vid.width/vid.height
	    also fixed the dimentions of right and top panels
	    also added scr_tileclear_updates
==================
*/
void SCR_TileClear (void)
{
	//ericw -- added check for glsl gamma. TODO: remove this ugly optimization?
	if (scr_tileclear_updates >= vid.numpages && !gl_clear.value && !(gl_glsl_gamma_able && vid_gamma.value != 1))
		return;
	scr_tileclear_updates++;

	if (r_refdef.vrect.x > 0)
	{
		// left
		Draw_TileClear (0,
						0,
						r_refdef.vrect.x,
						glheight - sb_lines);
		// right
		Draw_TileClear (r_refdef.vrect.x + r_refdef.vrect.width,
						0,
						glwidth - r_refdef.vrect.x - r_refdef.vrect.width,
						glheight - sb_lines);
	}

	if (r_refdef.vrect.y > 0)
	{
		// top
		Draw_TileClear (r_refdef.vrect.x,
						0,
						r_refdef.vrect.width,
						r_refdef.vrect.y);
		// bottom
		Draw_TileClear (r_refdef.vrect.x,
						r_refdef.vrect.y + r_refdef.vrect.height,
						r_refdef.vrect.width,
						glheight - r_refdef.vrect.y - r_refdef.vrect.height - sb_lines);
	}
}

/*
==================
SCR_UpdateScreen

This is called every frame, and can also be called explicitly to flush
text to the screen.

WARNING: be very careful calling this from elsewhere, because the refresh
needs almost the entire 256k of stack space!
==================
*/

int GetWeaponZoomAmmount (void)
{
    switch (cl.stats[STAT_ACTIVEWEAPON])
    {
        case W_COLT:
            return 10;
			break;
		case W_SPRING:
		case W_PULVERIZER:
		case W_KAR:
		case W_ARMAGEDDON:
			return 25;
			break;
		case W_KAR_SCOPE:
		case W_HEADCRACKER:
			return 47;
			break;
		case W_THOMPSON:
		case W_GIBS:
			return 10;
			break;
		case W_TRENCH:
		case W_GUT:
			return 10;
			break;
		case W_357:
		case W_KILLU:
			return 5;
			break;
		case W_MG:
		case W_BARRACUDA:
			return 15;
			break;
		case W_DB:
		case W_BORE:
		case W_SAWNOFF:
			return 10;
			break;
		case W_M1A1:
		case W_WIDDER:
			return 20;
			break;
		case W_BAR:
		case W_WIDOW:
			return 30;
			break;
		case W_FG:
		case W_IMPELLER:
			return 30;
			break;
		case W_GEWEHR:
		case W_COMPRESSOR:
			return 25;
			break;
		case W_PPSH:
		case W_REAPER:
			return 10;
			break;
		case W_MP40:
		case W_AFTERBURNER:
			return 10;
			break;
		case W_MP5:
		case W_KOLLIDER:
			return 10;
			break;
		case W_STG:
		case W_SPATZ:
			return 20;
			break;
		case W_M1:
		case W_M1000:
			return 25;
			break;
		case W_BROWNING:
		case W_ACCELERATOR:
			return 15;
			break;
		case W_PTRS:
		case W_PENETRATOR:
			return 50;
			break;
		case W_TYPE:
		case W_SAMURAI:
			return 10;
			break;
		case W_RAY:
		case W_PORTER:
			return 5;
			break;
        default:
            return 5;
            break;
    }
}

float zoomin_time;
int original_fov;
int original_view_fov;

void SCR_UpdateScreen (void)
{
	vid.numpages = (gl_triplebuffer.value) ? 3 : 2;

	//screen is disabled for loading, and we don't have any loading steps...?
	if (scr_disabled_for_loading  && !loading_num_step)
	{
		if (realtime - scr_disabled_time > 60)
		{
			scr_disabled_for_loading = false;
			Con_Printf ("load failed.\n");
		}
		else
			return;
	}

	if (!scr_initialized || !con_initialized)
		return;				// not initialized yet

	scr_copytop = 0;
	
	GL_BeginRendering (&glx, &gly, &glwidth, &glheight);


	if (cl.stats[STAT_ZOOM] == 1) //sB was here porting seperate viewmodel fov
	{
		if(!original_fov)
		{
			original_fov = scr_fov.value;
			original_view_fov = scr_fov_viewmodel.value;
		}
		if(scr_fov.value > (GetWeaponZoomAmmount() + 1))//+1 for accounting for floating point inaccurraces
		{
			scr_fov.value += ((original_fov - GetWeaponZoomAmmount()) - scr_fov.value) * 0.25;
			scr_fov_viewmodel.value += ((original_view_fov - GetWeaponZoomAmmount()) - scr_fov_viewmodel.value) * 0.25;
			Cvar_SetValue("fov",scr_fov.value);
			Cvar_SetValue("r_viewmodel_fov", scr_fov_viewmodel.value);
		}
	}
	else if (cl.stats[STAT_ZOOM] == 2)
	{
		if (!original_fov)
		{
			original_fov = scr_fov.value;
			original_view_fov = scr_fov_viewmodel.value;
		}
		Cvar_SetValue ("fov", 30);
		Cvar_SetValue ("r_viewmodel_fov", 30);
		zoomin_time = 0;
	}
	else if (cl.stats[STAT_ZOOM] == 0 && original_fov != 0)
	{
		if(scr_fov.value < (original_fov + 1))//+1 for accounting for floating point inaccuracies
		{
			scr_fov.value += (original_fov - scr_fov.value) * 0.25;
			scr_fov_viewmodel.value += (original_view_fov - scr_fov_viewmodel.value) * 0.25;
			Cvar_SetValue("fov",scr_fov.value);
			Cvar_SetValue("r_viewmodel_fov", scr_fov_viewmodel.value);
		}
		else
		{
			original_fov = 0;
			original_view_fov = 0;
		}
	}

	if (oldfov != scr_fov.value)
	{
		oldfov = scr_fov.value;
		vid.recalc_refdef = true;
	}

	if (oldscreensize != scr_viewsize.value)
	{
		oldscreensize = scr_viewsize.value;
		vid.recalc_refdef = true;
	}

	//
	// determine size of refresh window
	//
	if (vid.recalc_refdef)
		SCR_CalcRefdef ();

//
// do 3D refresh drawing, and then update the screen
//
	SCR_SetUpToDrawConsole ();

	V_RenderView ();

	GL_Set2D ();

	//FIXME: only call this when needed
	SCR_TileClear ();

	if (scr_drawdialog) //new game confirm
	{
		if (con_forcedup)
			Draw_ConsoleBackground ();
		// else
		// 	Sbar_Draw ();
		Draw_FadeScreen ();
		SCR_DrawNotifyString ();
	}
	else if (scr_drawloading) //loading
	{
		SCR_DrawLoading ();
		// Sbar_Draw ();
	}
	else if (cl.intermission == 1 && key_dest == key_game) //end of level
	{
		Sbar_IntermissionOverlay ();
	}
	else if (cl.intermission == 2 && key_dest == key_game) //end of episode
	{
		Sbar_FinaleOverlay ();
		SCR_CheckDrawCenterString ();
	}
	else
	{
		SCR_DrawCrosshair (); //johnfitz
		SCR_DrawRam ();
		SCR_DrawNet ();
		SCR_DrawTurtle ();
		SCR_DrawPause ();
		SCR_CheckDrawCenterString ();
		SCR_CheckDrawUseString ();
		SCR_DrawDevStats (); //johnfitz
		HUD_Draw ();
		SCR_DrawFPS (); //johnfitz
		SCR_DrawClock (); //johnfitz
		SCR_DrawConsole ();
		M_Draw ();
		
		if(scr_loadscreen.value)
		{
			SCR_DrawLoadScreen();
		}
	}

	Draw_LoadingFill();
	
	V_UpdateBlend (); //johnfitz -- V_UpdatePalette cleaned up and renamed
	GLSLGamma_GammaCorrect ();
	GL_EndRendering ();
}