fteqw/engine/client/cl_screen.c

/*
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.

*/

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

#include "quakedef.h"
#ifdef GLQUAKE
#include "glquake.h"//would prefer not to have this
#endif
#include "shader.h"
#include "gl_draw.h"

//name of the current backdrop for the loading screen
char levelshotname[MAX_QPATH];
extern cvar_t con_textsize;


void RSpeedShow(void)
{
	int i;
	static int samplerspeeds[RSPEED_MAX];
	static int samplerquant[RQUANT_MAX];
	int savedsamplerquant[RQUANT_MAX];	//so we don't count the r_speeds debug spam in draw counts.
	char *RSpNames[RSPEED_MAX];
	char *RQntNames[RQUANT_MAX];
	char *s;
	static int framecount;
	int frameinterval = 100;
	int tsize;

	if (!r_speeds.ival)
		return;

	if (con_textsize.value < 0)
		tsize = (-con_textsize.value * vid.height) / vid.pixelheight;	//size defined in physical pixels
	else
		tsize = con_textsize.value;	//size defined in virtual pixels.
	if (!tsize)
		tsize = 8;

	memset(RSpNames, 0, sizeof(RSpNames));

	RSpNames[RSPEED_TOTALREFRESH]	= "Total refresh";
	RSpNames[RSPEED_CSQCPHYSICS]	= " CSQC Physics";
	RSpNames[RSPEED_CSQCREDRAW]		= " CSQC Drawing";
	RSpNames[RSPEED_LINKENTITIES]	= "  Entity setup";
	RSpNames[RSPEED_WORLDNODE]		= "  World walking";
	RSpNames[RSPEED_DYNAMIC]		= "  Lightmap updates";
	RSpNames[RSPEED_OPAQUE]			= "  Opaque Batches";
	RSpNames[RSPEED_RTLIGHTS]		= "  RT Lights";
	RSpNames[RSPEED_TRANSPARENTS]	= "  Transparent Batches";
	RSpNames[RSPEED_PARTICLES]		= "  Particle phys/sort";
	RSpNames[RSPEED_PARTICLESDRAW]	= "  Particle drawing";
	RSpNames[RSPEED_2D]				= " 2d Elements";
	RSpNames[RSPEED_PALETTEFLASHES]	= " Palette flashes";

	RSpNames[RSPEED_SETUP]			= "Acquire Wait";
	RSpNames[RSPEED_SUBMIT]			= "submit/finish";
	RSpNames[RSPEED_PRESENT]		= "Present";
	RSpNames[RSPEED_ACQUIRE]		= "Acquire Request";

	RSpNames[RSPEED_PROTOCOL]		= "Client Protocol";
	RSpNames[RSPEED_SERVER]			= "Server";

	memset(RQntNames, 0, sizeof(RQntNames));
	RQntNames[RQUANT_MSECS] = "Microseconds";
	RQntNames[RQUANT_PRIMITIVEINDICIES] = "Draw Indicies";
	RQntNames[RQUANT_DRAWS] = "Draw Calls";
	RQntNames[RQUANT_2DBATCHES] = "2d Batches";
	RQntNames[RQUANT_WORLDBATCHES] = "World Batches";
	RQntNames[RQUANT_ENTBATCHES] = "Ent Batches";
	RQntNames[RQUANT_SHADOWINDICIES] = "Shadow Indicies";
	RQntNames[RQUANT_SHADOWEDGES] = "Shadow Edges";
	RQntNames[RQUANT_SHADOWSIDES] = "Shadowmap Sides";
	RQntNames[RQUANT_LITFACES] = "Lit faces";

	RQntNames[RQUANT_RTLIGHT_DRAWN] = "Lights Drawn";
	RQntNames[RQUANT_RTLIGHT_CULL_FRUSTUM] = "Lights offscreen";
	RQntNames[RQUANT_RTLIGHT_CULL_PVS] = "Lights PVS Culled";
	RQntNames[RQUANT_RTLIGHT_CULL_SCISSOR] = "Lights Scissored";

	memcpy(savedsamplerquant, rquant, sizeof(savedsamplerquant));
	if (r_speeds.ival > 1)
	{
		for (i = 0; i < RSPEED_MAX; i++)
		{
			Draw_FunStringWidthFont(font_console, vid.width-20*tsize, i*tsize, RSpNames[i], 20*tsize, false, false);
			s = va("%g ", samplerspeeds[i]/(float)frameinterval);
			Draw_FunStringWidthFont(font_console, 0, i*tsize, s, vid.width-20*tsize, true, false);
		}
	}
	for (i = 0; i < RQUANT_MAX; i++)
	{
		s = va("%u.%.3u %-20s", samplerquant[i]/frameinterval, (samplerquant[i]%100), RQntNames[i]);
		Draw_FunStringWidthFont(font_console, 0, (i+RSPEED_MAX)*tsize, s, vid.width-20*tsize, true, false);
	}
	if (r_speeds.ival > 1)
	{
		s = va("%f %-20s", (frameinterval*1000*1000.0f)/samplerspeeds[RSPEED_TOTALREFRESH], "Framerate (refresh only)");
		Draw_FunStringWidthFont(font_console, 0, (i+RSPEED_MAX)*tsize, s, vid.width-20*tsize, true, false);
	}
	memcpy(rquant, savedsamplerquant, sizeof(rquant));

	if (++framecount>=frameinterval)
	{
		for (i = 0; i < RSPEED_MAX; i++)
		{
			samplerspeeds[i] = rspeeds[i];
			rspeeds[i] = 0;
		}
		for (i = 0; i < RQUANT_MAX; i++)
		{
			samplerquant[i] = rquant[i];
			rquant[i] = 0;
		}
		framecount=0;
	}
}


/*

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 always rendered, unless the console is full screen


console is:
	notify lines
	half
	full


*/





float mousecursor_x, mousecursor_y;
float mousemove_x, mousemove_y;

float multicursor_x[8], multicursor_y[8];
qboolean multicursor_active[8];

float           scr_con_current;	//current console lines shown
float           scr_con_target;		//the target number of lines (not a local, because it helps to know if we're at the target yet, etc)

qboolean		scr_con_forcedraw;

extern cvar_t			scr_viewsize;
extern cvar_t			scr_fov;
extern cvar_t			scr_conspeed;
extern cvar_t			scr_centertime;
extern cvar_t			scr_logcenterprint;
extern cvar_t			scr_showturtle;
extern cvar_t			scr_turtlefps;
extern cvar_t			scr_showpause;
extern cvar_t			scr_printspeed;
extern cvar_t			scr_allowsnap;
extern cvar_t			scr_sshot_type;
extern cvar_t			scr_sshot_prefix;
extern cvar_t			crosshair;
extern cvar_t			scr_consize;
cvar_t			scr_neticontimeout = CVAR("scr_neticontimeout", "0.3");
cvar_t			scr_diskicontimeout = CVAR("scr_diskicontimeout", "0.3");

qboolean        scr_initialized;                // ready to draw

mpic_t          *scr_net;
mpic_t          *scr_turtle;

int                     clearconsole;
int                     clearnotify;

viddef_t        vid;                            // global video state

vrect_t         scr_vrect;

qboolean        scr_disabled_for_loading;
qboolean        scr_drawloading;
float           scr_disabled_time;

cvar_t	con_stayhidden = CVARFD("con_stayhidden", "1", CVAR_NOTFROMSERVER, "0: allow console to pounce on the user\n1: console stays hidden unless explicitly invoked\n2:toggleconsole command no longer works\n3: shift+escape key no longer works");
cvar_t	show_fps	= CVARAFD("show_fps"/*qw*/, "0", "scr_showfps"/*qs*/, CVAR_ARCHIVE, "Displays the current framerate on-screen.\n0: Off.\n1: framerate average over a second.\n2: Show a frametimes graph (with additional timing info).\n-1: Normalized graph that focuses on the variation ignoring base times.");
cvar_t	show_fps_x	= CVAR("show_fps_x", "-1");
cvar_t	show_fps_y	= CVAR("show_fps_y", "-1");
cvar_t	show_clock	= CVAR("cl_clock", "0");
cvar_t	show_clock_x	= CVAR("cl_clock_x", "0");
cvar_t	show_clock_y	= CVAR("cl_clock_y", "-1");
cvar_t	show_gameclock	= CVAR("cl_gameclock", "0");
cvar_t	show_gameclock_x	= CVAR("cl_gameclock_x", "0");
cvar_t	show_gameclock_y	= CVAR("cl_gameclock_y", "-1");
cvar_t	show_speed	= CVAR("show_speed", "0");
cvar_t	show_speed_x	= CVAR("show_speed_x", "-1");
cvar_t	show_speed_y	= CVAR("show_speed_y", "-9");
cvar_t	scr_showdisk	= CVAR("scr_showdisk", "0");
cvar_t	scr_showdisk_x	= CVAR("scr_showdisk_x", "-24");
cvar_t	scr_showdisk_y	= CVAR("scr_showdisk_y", "0");
cvar_t	scr_showobituaries = CVAR("scr_showobituaries", "0");

cvar_t	scr_loadingrefresh = CVARD("scr_loadingrefresh", "0", "Force redrawing of the loading screen, in order to display EVERY resource that is loaded");
cvar_t	scr_showloading	= CVAR("scr_showloading", "1");
//things to configure the legacy loading screen
cvar_t	scr_loadingscreen_picture = CVAR("scr_loadingscreen_picture", "gfx/loading");
cvar_t	scr_loadingscreen_aspect = CVARD("scr_loadingscreen_aspect", "0", "Controls the aspect of levelshot images.\n0: Use source image's aspect.\n1: Force 4:3 aspect (ignore image's aspect), for best q3 compat.\n2: Ignore aspect considerations and just smear it over the entire screen.\n-1: Disable levelshot use.");
cvar_t	scr_loadingscreen_scale = CVAR("scr_loadingscreen_scale", "1");
cvar_t	scr_loadingscreen_scale_limit = CVAR("scr_loadingscreen_scale_limit", "2");

void *scr_curcursor;


static void SCR_CPrint_f(void)
{
	if (Cmd_Argc() == 2)
		SCR_CenterPrint(0, Cmd_Argv(1), true);
	else
		SCR_CenterPrint(0, Cmd_Args(), true);
}

extern char cl_screengroup[];
void CLSCR_Init(void)
{
	int i;
	Cmd_AddCommand("cprint", SCR_CPrint_f);

	Cvar_Register(&con_stayhidden, cl_screengroup);
	Cvar_Register(&scr_loadingrefresh, cl_screengroup);
	Cvar_Register(&scr_showloading, cl_screengroup);
	Cvar_Register(&scr_loadingscreen_picture, cl_screengroup);
	Cvar_Register(&scr_loadingscreen_scale, cl_screengroup);
	Cvar_Register(&scr_loadingscreen_scale_limit, cl_screengroup);
	Cvar_Register(&scr_loadingscreen_aspect, cl_screengroup);
	Cvar_Register(&show_fps, cl_screengroup);
	Cvar_Register(&show_fps_x, cl_screengroup);
	Cvar_Register(&show_fps_y, cl_screengroup);
	Cvar_Register(&show_clock, cl_screengroup);
	Cvar_Register(&show_clock_x, cl_screengroup);
	Cvar_Register(&show_clock_y, cl_screengroup);
	Cvar_Register(&show_gameclock, cl_screengroup);
	Cvar_Register(&show_gameclock_x, cl_screengroup);
	Cvar_Register(&show_gameclock_y, cl_screengroup);
	Cvar_Register(&show_speed, cl_screengroup);
	Cvar_Register(&show_speed_x, cl_screengroup);
	Cvar_Register(&show_speed_y, cl_screengroup);
	Cvar_Register(&scr_neticontimeout, cl_screengroup);
	Cvar_Register(&scr_showdisk, cl_screengroup);
	Cvar_Register(&scr_showdisk_x, cl_screengroup);
	Cvar_Register(&scr_showdisk_y, cl_screengroup);
	Cvar_Register(&scr_diskicontimeout, cl_screengroup);
	Cvar_Register(&scr_showobituaries, cl_screengroup);


	memset(&key_customcursor, 0, sizeof(key_customcursor));
	for (i = 0; i < kc_max; i++)
		key_customcursor[i].dirty = true;
	scr_curcursor = NULL;
	if (rf && rf->VID_SetCursor)
		rf->VID_SetCursor(scr_curcursor);
}

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

CENTER PRINTING

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

typedef struct {
	unsigned int	flags;

	conchar_t		*string;
	conchar_t		*cursorchar;	//pointer into string
	size_t			stringbytes;
	size_t			charcount;
	char			titleimage[MAX_QPATH];
	float			time_start;   // for slow victory printing
	float			time_off;
	int				erase_lines;
	int				erase_center;
} cprint_t;

cprint_t scr_centerprint[MAX_SPLITS];

// SCR_StringToRGB: takes in "<index>" or "<r> <g> <b>" and converts to an RGB vector
void SCR_StringToRGB (char *rgbstring, float *rgb, float rgbinputscale)
{
	char *t;

	//hex values
	if (!strncmp(rgbstring, "0x", 2))
	{
		char *end;
		unsigned int val = strtoul(rgbstring+2, &end, 16);
		if (end == rgbstring + 5)
		{
			rgb[0] = ((val&0xf00)>>8)/15.0;
			rgb[1] = ((val&0x0f0)>>4)/15.0;
			rgb[2] = ((val&0x00f)>>0)/15.0;
		}
		else if (end == rgbstring + 8)
		{
			rgb[0] = ((val&0xff0000)>>12)/255.0;
			rgb[1] = ((val&0x00ff00)>> 8)/255.0;
			rgb[2] = ((val&0x0000ff)>> 0)/255.0;
		}
		else
			rgb[0] = rgb[1] = rgb[2] = 1;

		return ;
	}

	t = strstr(rgbstring, " ");

	if (!t) // palette index
	{
		qbyte *pal;
		int i = atoi(rgbstring);
		i = bound(0, i, 255);

		pal = host_basepal;

		pal += (i * 3);
		// convert r8g8b8 to rgb floats
		rgb[0] = (float)(pal[0]);
		rgb[1] = (float)(pal[1]);
		rgb[2] = (float)(pal[2]);

		VectorScale(rgb, 1/255.0, rgb);
	}
	else // use RGB coloring (input is scaled from 0-rgbinputscale)
	{
		t++;
		rgb[0] = atof(rgbstring);
		rgb[1] = atof(t);
		t = strstr(t, " "); // find last value
		if (t)
			rgb[2] = atof(t+1);
		else
			rgb[2] = 0.0;

		rgbinputscale = 1/rgbinputscale;
		VectorScale(rgb, rgbinputscale, rgb);
	} // i contains the crosshair color
}

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

Called for important messages that should stay in the center of the screen
for a few moments
==============
*/
void SCR_CenterPrint (int pnum, const char *str, qboolean skipgamecode)
{
	size_t i;
	cprint_t *p;
	if (!str)
	{
		if (cl.intermissionmode == IM_NONE)
		{
			p = &scr_centerprint[pnum];
			p->flags = 0;
			p->time_off = 0;
		}
		return;
	}
	if (!skipgamecode)
	{
#ifdef CSQC_DAT
		if (CSQC_CenterPrint(pnum, str))	//csqc nabbed it.
			return;
#endif
	}

	if (Cmd_AliasExist("f_centerprint", RESTRICT_LOCAL))
	{
		cvar_t *var;
		var = Cvar_FindVar ("scr_centerprinttext");
		if (!var)
			var = Cvar_Get("scr_centerprinttext", "", 0, "Script Notifications");
		if (var)
		{
			Cvar_Set(var, str);
			Cbuf_AddText("f_centerprint\n", RESTRICT_LOCAL);
		}
	}

	p = &scr_centerprint[pnum];
	p->flags = 0;
	p->titleimage[0] = 0;
	p->cursorchar = NULL;

	if (*str != '/')
	{
		if (cl.intermissionmode != IM_NONE)
		{
			p->flags |= CPRINT_TYPEWRITER | CPRINT_PERSIST | CPRINT_TALIGN;
			if (cl.intermissionmode != IM_NQCUTSCENE)
				Q_strncpyz(p->titleimage, "gfx/finale.lmp", sizeof(p->titleimage));
		}
	}

	while (*str == '/')
	{
		if (str[1] == '.')
		{
/* /. means text actually starts after, no more flags */
			str+=2;
			break;
		}
		else if (str[1] == 'P')
		{
			p->flags |= CPRINT_PERSIST | CPRINT_BACKGROUND;
			p->flags &= ~CPRINT_TALIGN;
		}
		else if (str[1] == 'C')
			p->flags |= CPRINT_CURSOR;	//this can be a little jarring if there's no links, so this forces consistent behaviour.
		else if (str[1] == 'W')	//wait between each char
			p->flags ^= CPRINT_TYPEWRITER;
		else if (str[1] == 'S')	//Stay
			p->flags ^= CPRINT_PERSIST;
		else if (str[1] == 'M')	//'Mask' the background so that its readable.
			p->flags ^= CPRINT_BACKGROUND;
		else if (str[1] == 'O')	//Obituaries are shown at the bottom, ish.
			p->flags ^= CPRINT_OBITUARTY;
		else if (str[1] == 'B')
			p->flags ^= CPRINT_BALIGN;	//Note: you probably want to add some blank lines...
		else if (str[1] == 'T')
			p->flags ^= CPRINT_TALIGN;
		else if (str[1] == 'L')
			p->flags ^= CPRINT_LALIGN;
		else if (str[1] == 'R')
			p->flags ^= CPRINT_RALIGN;
		else if (str[1] == 'F')
		{	//'F' is reserved for special handling via svc_finale
			if (cl.intermissionmode == IM_NONE)
				cl.completed_time = cl.time;
			str+=2;
			switch(*str++)
			{
			case 'R':	//remove intermission
				cl.intermissionmode = IM_NONE;
				break;
			case 'I':	//standard intermission
			case 'S':	//score board / map stats
				cl.intermissionmode = IM_NQSCORES;
				break;
			case 'F':	//finale
				cl.intermissionmode = IM_NQFINALE;
				break;
			case 'f':	//finale, but with the view offset properly
				cl.intermissionmode = IM_H2FINALE;
				break;
			case 0:
				str--;
				break;
			default:
				break;	//no idea. suck it up for compat.
			}
			continue;
		}
		else if (str[1] == 'I')
		{
			const char *e;
			int l;
			str+=2;
			e = strchr(str, ':');
			if (!e)
				e = strchr(str, ' ');	//probably an error
			if (!e)
				e = str + strlen(str)-1;	//error
			l = e - str;
			if (l >= sizeof(p->titleimage))
				l = sizeof(p->titleimage)-1;
			strncpy(p->titleimage, str, l);
			p->titleimage[l] = 0;
			str = e+1;
			continue;
		}
		else
			break;
		str += 2;
	}

	if (((scr_logcenterprint.ival && !cl.deathmatch) || scr_logcenterprint.ival == 2) && !(p->flags & CPRINT_PERSIST))
	{
		//don't spam too much.
		if (*str && strncmp(cl.lastcenterprint, str, sizeof(cl.lastcenterprint)-1))
		{
			Q_strncpyz(cl.lastcenterprint, str, sizeof(cl.lastcenterprint));
			Con_CenterPrint(str);
		}
	}

	for (;;)
	{
		p->charcount = COM_ParseFunString(CON_WHITEMASK, str, p->string, p->stringbytes, false) - p->string;

		if ((p->charcount+1)*sizeof(*p->string) < p->stringbytes)
			break;
		else
		{
			p->stringbytes=p->stringbytes*2+sizeof(*p->string);
			Z_Free(p->string);
			p->string = Z_Malloc(p->stringbytes);
		}
	}

	if (!(p->flags & CPRINT_CURSOR))
	{	//autodetect links
		for (i = 0; i < p->charcount; i++)
		{
			if (p->string[i] == CON_LINKSTART)
			{
				p->flags |= CPRINT_CURSOR;
				break;
			}
		}
	}

	p->time_off = scr_centertime.value;
	p->time_start = cl.time;
}

void VARGS Stats_Message(char *msg, ...)
{
	va_list		argptr;
	char str[2048];
	cprint_t *p = &scr_centerprint[0];
	if (!scr_showobituaries.ival)
		return;
	if (p->time_off >= 0)
		return;

	va_start (argptr, msg);
	vsnprintf (str,sizeof(str)-1, msg, argptr);
	va_end (argptr);

	p->flags = CPRINT_OBITUARTY;
	p->titleimage[0] = 0;

	for (;;)
	{
		p->charcount = COM_ParseFunString(CON_WHITEMASK, str, p->string, p->stringbytes, false) - p->string;

		if ((p->charcount+1)*sizeof(*p->string) < p->stringbytes)
			break;
		else
		{
			p->stringbytes=p->stringbytes*2+sizeof(*p->string);
			Z_Free(p->string);
			p->string = Z_Malloc(p->stringbytes);
		}
	}

	p->time_off = scr_centertime.value;
	p->time_start = cl.time;
}

static char *SCR_CopyCenterPrint(cprint_t *p)	//reads the link under the mouse cursor. non-links are ignored.
{
	size_t maxlen, outlen;
	char *result;

	conchar_t *start = p->cursorchar, *end;

	if (!start)	//cursor isn't over anything.
		return NULL;

	//scan backwards to find any link enclosure
	for(end = start-1; end >= p->string; end--)
	{
		if (*end == CON_LINKSTART)
		{
			//found one
			start = end;
			break;
		}
		if (*end == CON_LINKEND)
		{
			//some other link ended here. don't use its start.
			break;
		}
	}
	//scan forwards to find the end of the selected link
	if (start < p->string+p->charcount && *start == CON_LINKSTART)
	{
		for(end = start; end < p->string + p->charcount; end++)
		{
			if (*end == CON_LINKEND)
			{
				end++;
				break;
			}
		}
	}
	else// if (onlyiflink)
		return NULL;

	maxlen = 1024*1024;
	result = Z_Malloc(maxlen+1);

	outlen = COM_DeFunString(start, end, result, maxlen, false, false) - result;

	result[outlen++] = 0;
	return result;
}

#define MAX_CPRINT_LINES 512
int SCR_DrawCenterString (vrect_t *playerrect, cprint_t *p, struct font_s *font)
{
	int				l;
	int				y, x;
	int				left;
	int				right;
	int				top;
	int				bottom;
	int				remaining;
	shader_t		*pic;
	int				ch;
	int mousex,mousey;

	conchar_t *line_start[MAX_CPRINT_LINES];
	conchar_t *line_end[MAX_CPRINT_LINES];
	int linecount;

	vrect_t rect = *playerrect;

// the finale prints the characters one at a time
	if (p->flags & CPRINT_TYPEWRITER)
		remaining = scr_printspeed.value * (cl.time - p->time_start);
	else
		remaining = 9999;

	p->erase_center = 0;

	if (*p->titleimage)
		pic = R2D_SafeCachePic (p->titleimage);
	else
		pic = NULL;

	if (p->flags & CPRINT_BACKGROUND)
	{	//hexen2 style plaque.
		int w = 320;
		if (rect.width > w)
		{
			rect.x = (rect.x + rect.width/2) - (w / 2);
			rect.width = w;
		}

		if (rect.width < 32)
			return 0;
		rect.x += 16;
		rect.width -= 32;
	}

	y = rect.y;

	if (pic)
	{
		//the pic is just a header
		if (!(p->flags & CPRINT_BACKGROUND))
		{
			int w, h;
			R_GetShaderSizes(pic, &w, &h, false);
			w *= 24.0/h;
			h = 24;
			y+= 16;
			R2D_ScalePic (rect.x + (rect.width-w)/2, y, w, h, pic);
			y+= h;
			y+= 8;
		}
	}

	Font_BeginString(font, mousecursor_x, mousecursor_y, &mousex, &mousey);
	Font_BeginString(font, rect.x, y, &left, &top);
	Font_BeginString(font, rect.x+rect.width, rect.y+rect.height, &right, &bottom);
	linecount = Font_LineBreaks(p->string, p->string + p->charcount, (p->flags & CPRINT_NOWRAP)?0x7fffffff:(right - left), MAX_CPRINT_LINES, line_start, line_end);

	ch = Font_CharHeight();

	if (p->flags & CPRINT_TALIGN)
		y = top;
	else if (p->flags & CPRINT_BALIGN)
		y = bottom - ch*linecount;
	else if (p->flags & CPRINT_OBITUARTY)
		//'obituary' messages appear at the bottom of the screen
		y = (bottom-top - ch*linecount) * 0.65 + top;
	else
	{
		if (linecount <= 5)
		{
			//small messages appear above and away from the crosshair
			y = (bottom-top - ch*linecount) * 0.35 + top;
		}
		else
		{
			//longer messages are fully centered
			y = (bottom-top - ch*linecount) * 0.5 + top;
		}
	}

	if (p->flags & CPRINT_BACKGROUND)
	{	//hexen2 style plaque.
		Font_EndString(font);

		if (*p->titleimage && pic)
		{
			int w, h;
			R_GetShaderSizes(pic, &w, &h, false);
			R2D_Letterbox(playerrect->x, playerrect->y, playerrect->width, playerrect->height, pic, w, h);
		}
		else
			Draw_ApproxTextBox(rect.x, (y * (float)vid.height) / (float)vid.pixelheight, rect.width, linecount*Font_CharVHeight(font));

		Font_BeginString(font, rect.x, y, &left, &top);
	}

	for (l = 0; l < linecount; l++, y += ch)
	{
		if (y >= bottom)
			break;
		if (p->flags & CPRINT_RALIGN)
			x = right - Font_LineWidth(line_start[l], line_end[l]);
		else if (p->flags & CPRINT_LALIGN)
			x = left;
		else
			x = left + (right - left - Font_LineWidth(line_start[l], line_end[l]))/2;

		if (mousey >= y && mousey < y+ch)
		{
			p->cursorchar = Font_CharAt(mousex - x, line_start[l], line_end[l]);
		}

		remaining -= line_end[l]-line_start[l];
		if (remaining <= 0)
		{
			line_end[l] += remaining;
			if (line_end[l] <= line_start[l])
				break;
		}
		Font_LineDraw(x, y, line_start[l], line_end[l]);
	}

	Font_EndString(font);

	return linecount;
}

qboolean Key_Centerprint(int key, int unicode, unsigned int devid)
{
	int pnum;
	cprint_t *p;
	char *link;

	if (key == K_MOUSE1)
	{
		//figure out which player has the cursor
		for (pnum = 0; pnum < cl.splitclients; pnum++)
		{
			p = &scr_centerprint[pnum];
			if (cl.playerview[pnum].gamerectknown == cls.framecount)
			{
				link = SCR_CopyCenterPrint(p);
				if (link)
				{

					if (link[0] == '^' && link[1] == '[')
					{
						//looks like it might be a link!
						char *end = NULL;
						char *info;
						for (info = link + 2; *info; )
						{
							if (info[0] == '^' && info[1] == ']')
								break; //end of tag, with no actual info, apparently
							if (*info == '\\')
								break;
							else if (info[0] == '^' && info[1] == '^')
								info+=2;
							else
								info++;
						}
						for(end = info; *end; )
						{
							if (end[0] == '^' && end[1] == ']')
							{
								//okay, its a valid link that they clicked
								*end = 0;

#ifdef PLUGINS
								if (!Plug_ConsoleLink(link+2, info, ""))
#endif
#ifdef CSQC_DAT
								if (!CSQC_ConsoleLink(link+2, info))
#endif
									Key_DefaultLinkClicked(NULL, link+2, info);

								break;
							}
							if (end[0] == '^' && end[1] == '^')
								end+=2;
							else
								end++;
						}
					}
				}
			}
		}
		return true;	//handled
	}
	else if (key == K_MOUSE2)
	{
		for (pnum = 0; pnum < cl.splitclients; pnum++)
		{
			p = &scr_centerprint[pnum];
			p->flags &= ~CPRINT_CURSOR;
		}
		return true;
	}
	return false;
}

void SCR_CheckDrawCenterString (void)
{
	int pnum;
	cprint_t *p;

	Key_Dest_Remove(kdm_centerprint);

	for (pnum = 0; pnum < cl.splitclients; pnum++)
	{
		p = &scr_centerprint[pnum];
		p->cursorchar = NULL;

		if (p->time_off <= 0 && !(p->flags & CPRINT_PERSIST))
			continue;	//'/P' prefix doesn't time out

		p->time_off -= host_frametime;

		if (Key_Dest_Has(~(kdm_game|kdm_centerprint)))	//don't let progs guis/centerprints interfere with the game menu
			continue;					//should probably allow the console with a scissor region or something.

#ifdef QUAKEHUD
		if (cl.playerview[pnum].sb_showscores)	//this was annoying
			continue;
#endif

		if (cl.playerview[pnum].gamerectknown == cls.framecount)
		{
			SCR_DrawCenterString(&cl.playerview[pnum].gamerect, p, font_default);
			if (p->flags & CPRINT_CURSOR)
				Key_Dest_Add(kdm_centerprint);
		}
	}
}

int R_DrawTextField(int x, int y, int w, int h, const char *text, unsigned int defaultmask, unsigned int fieldflags, struct font_s *font, vec2_t fontscale)
{
	cprint_t p;
	vrect_t r;
	conchar_t buffer[16384];	//FIXME: make dynamic.
	int lines;

	p.cursorchar = NULL;
	p.string = buffer;
	p.stringbytes = sizeof(buffer);
	r.x = x;
	r.y = y;
	r.width = w;
	r.height = h;

	p.flags = fieldflags;
	p.charcount = COM_ParseFunString(defaultmask, text, p.string, p.stringbytes, false) - p.string;
	p.time_off = scr_centertime.value;
	p.time_start = cl.time;
	*p.titleimage = 0;


	lines = SCR_DrawCenterString(&r, &p, font);

//	SCR_CopyCenterPrint(&p);
	return lines;
}

qboolean SCR_HardwareCursorIsActive(void)
{
	if (Key_MouseShouldBeFree())
		return !!scr_curcursor;
	return false;
}
void SCR_DrawCursor(void)
{
	extern cvar_t cl_cursor, cl_cursorbiasx, cl_cursorbiasy, cl_cursorscale, cl_prydoncursor;
	mpic_t *p;
	char *newc;
	int prydoncursornum = 0;
	extern qboolean cursor_active;
	struct key_cursor_s *kcurs;
	void *oldcurs = NULL;

	if (cursor_active && cl_prydoncursor.ival > 0)
		prydoncursornum = cl_prydoncursor.ival;
	else if (!Key_MouseShouldBeFree())
		return;

	if ((key_dest_mask & key_dest_absolutemouse & kdm_prompt))
	{
		if (promptmenu&&promptmenu->cursor)
			kcurs = promptmenu->cursor;
		else
			kcurs = &key_customcursor[kc_console];
	}
	//choose the cursor based upon the module that has primary focus
	else if (key_dest_mask & key_dest_absolutemouse & (kdm_console|kdm_cwindows))
		kcurs = &key_customcursor[kc_console];
	else if ((key_dest_mask & key_dest_absolutemouse & kdm_menu))
	{
		if (topmenu&&topmenu->cursor)
			kcurs = topmenu->cursor;
		else
			kcurs = &key_customcursor[kc_console];
	}
	else// if (key_dest_mask & key_dest_absolutemouse)
		kcurs = &key_customcursor[prydoncursornum?kc_console:kc_game];

	if (kcurs == &key_customcursor[kc_console])
	{
		if (!*cl_cursor.string || prydoncursornum>1)
			newc = va("gfx/prydoncursor%03i.lmp", prydoncursornum);
		else
			newc = cl_cursor.string;
		if (strcmp(kcurs->name, newc) || kcurs->hotspot[0] != cl_cursorbiasx.value || kcurs->hotspot[1] != cl_cursorbiasy.value || kcurs->scale != cl_cursorscale.value)
		{
			kcurs->dirty = true;
			Q_strncpyz(kcurs->name, newc, sizeof(kcurs->name));
			kcurs->hotspot[0] = cl_cursorbiasx.value;
			kcurs->hotspot[1] = cl_cursorbiasy.value;
			kcurs->scale = cl_cursorscale.value;
		}
	}

	if (kcurs->dirty)
	{
		if (kcurs->scale <= 0 || !*kcurs->name)
		{
			kcurs->hotspot[0] = cl_cursorbiasx.value;
			kcurs->hotspot[1] = cl_cursorbiasy.value;
			kcurs->scale = cl_cursorscale.value;
		}

		kcurs->dirty = false;
		oldcurs = kcurs->handle;
		if (rf->VID_CreateCursor && strcmp(kcurs->name, "none"))
		{
			image_t dummytex;
			flocation_t loc;
			char bestname[MAX_QPATH];
			unsigned int bestflags;
			qbyte *rgbadata;
			uploadfmt_t format;
			void *filedata = NULL;
			int filelen = 0, width, height;

			kcurs->handle = NULL;

			memset(&dummytex, 0, sizeof(dummytex));
			dummytex.flags = IF_NOREPLACE;	//no dds files
			*bestname = 0;

			//first try the named image, if possible
			if (!filedata && *kcurs->name)
			{
				dummytex.ident = kcurs->name;
				if (Image_LocateHighResTexture(&dummytex, &loc, bestname, sizeof(bestname), &bestflags))
					filelen = FS_LoadFile(bestname, &filedata);
			}
			if (!filedata)
			{
				dummytex.ident = "gfx/cursor.lmp";
				if (Image_LocateHighResTexture(&dummytex, &loc, bestname, sizeof(bestname), &bestflags))
					filelen = FS_LoadFile(bestname, &filedata);
			}
			if (!filedata)
			{
				static qbyte lamecursor[] =
				{
#define W 0x8f,0x8f,0x8f,0xff,
#define B 0x00,0x00,0x00,0xff,
#define T 0x00,0x00,0x00,0x00,
					W T T T T T T T
					W W T T T T T T
					W B W T T T T T
					W B B W T T T T

					W B B B W T T T
					W B B B B W T T
					W B B B B B W T
					W B B B B B B W

					W B B B B W W W
					W B W B B W T T
					W W T W B B W T
					W T T W B B W T

					T T T T W B B W
					T T T T W B B W
					T T T T T W W T
#undef W
#undef B
				};
				kcurs->handle = rf->VID_CreateCursor(lamecursor, 8, 15, PTI_LLLA8, 0, 0, 1);	//try the fallback
			}
			else if (!filedata)
				FS_FreeFile(filedata);	//format not okay, just free it.
			else
			{	//raw file loaded.
				rgbadata = ReadRawImageFile(filedata, filelen, &width, &height, &format, true, bestname);
				FS_FreeFile(filedata);
				if (rgbadata)
				{	//image loaded properly, yay
					if ((format==PTI_BGRX8 || format==PTI_RGBX8 || format==PTI_LLLX8) && !strchr(bestname, ':'))
						Image_ReadExternalAlpha(rgbadata, width, height, bestname, &format);

					kcurs->handle = rf->VID_CreateCursor(rgbadata, width, height, format, kcurs->hotspot[0], kcurs->hotspot[1], kcurs->scale);	//try the fallback
					BZ_Free(rgbadata);
				}
			}
		}
		else
			kcurs->handle = NULL;
	}

	if (scr_curcursor != kcurs->handle)
	{
		scr_curcursor = kcurs->handle;
		rf->VID_SetCursor(scr_curcursor);
	}
	if (oldcurs)
		rf->VID_DestroyCursor(oldcurs);

	if (scr_curcursor)
		return;
	//system doesn't support a hardware cursor, so try to draw a software one.

	if (!strcmp(kcurs->name, "none"))
		return;

	p = R2D_SafeCachePic(kcurs->name);
	if (!p || !R_GetShaderSizes(p, NULL, NULL, false))
		p = R2D_SafeCachePic("gfx/cursor.lmp");
	if (p && R_GetShaderSizes(p, NULL, NULL, false))
	{
		R2D_ImageColours(1, 1, 1, 1);
		R2D_Image(mousecursor_x-kcurs->hotspot[0], mousecursor_y-kcurs->hotspot[1], p->width*cl_cursorscale.value, p->height*cl_cursorscale.value, 0, 0, 1, 1, p);
	}
	else
	{
		float x, y;
		Font_BeginScaledString(font_default, mousecursor_x, mousecursor_y, 8, 8, &x, &y);
		x -= Font_CharScaleWidth(CON_WHITEMASK, '+' | 0xe000)/2;
		y -= Font_CharHeight()/2;
		Font_DrawScaleChar(x, y, CON_WHITEMASK, '+' | 0xe000);
		Font_EndString(font_default);
	}
}
static void SCR_DrawSimMTouchCursor(void)
{
	int i;
	float x, y;
	for (i = 0; i < 8; i++)
	{
		if (multicursor_active[i])
		{
			Font_BeginScaledString(font_default, multicursor_x[i], multicursor_y[i], 8, 8, &x, &y);
			x -= Font_CharScaleWidth(CON_WHITEMASK, '+' | 0xe000)/2;
			y -= Font_CharHeight()/2;
			Font_DrawScaleChar(x, y, CON_WHITEMASK, '+' | 0xe000);
			Font_EndString(font_default);
		}
	}
}

////////////////////////////////////////////////////////////////
//TEI_SHOWLMP2 (not 3)
//
typedef struct showpic_s {
	struct showpic_s *next;
	qbyte zone;
	qboolean persist;
	short x, y, w, h;
	char *name;
	char *picname;
	char *tcommand;
} showpic_t;
showpic_t *showpics;

static void SP_RecalcXY ( float *xx, float *yy, int origin )
{
	int midx, midy;
	float x,y;

	x = xx[0];
	y = yy[0];

	midy = vid.height * 0.5;// >>1
	midx = vid.width * 0.5;// >>1

	switch (origin)
	{
		//tei's original encoding
		case SL_ORG_NW:
			break;
		case SL_ORG_NE:
			x = vid.width - x;//Inv
			break;
		case SL_ORG_SW:
			y = vid.height - y;//Inv
			break;
		case SL_ORG_SE:
			y = vid.height - y;//inv
			x = vid.width - x;//Inv
			break;
		case SL_ORG_CC:
			y = midy + (y - 8000);//NegCoded
			x = midx + (x - 8000);//NegCoded
			break;
		case SL_ORG_CN:
			x = midx + (x - 8000);//NegCoded
			break;
		case SL_ORG_CS:
			x = midx + (x - 8000);//NegCoded
			y = vid.height - y;//Inverse
			break;
		case SL_ORG_CW:
			y = midy + (y - 8000);//NegCoded
			break;
		case SL_ORG_CE:
			y = midy + (y - 8000);//NegCoded
			x = vid.height - x; //Inverse
			break;

		//spike's attempt to provide sane origins that are a little more predictable.
		case SL_ORG_TL:
			break;
		case SL_ORG_TR:
			x += vid.width;
			break;
		case SL_ORG_BL:
			y += vid.height;
			break;
		case SL_ORG_BR:
			x += vid.width;
			y += vid.height;
			break;
		case SL_ORG_MM:
			x += midx;
			y += midy;
			break;
		case SL_ORG_TM:
			x += midx;
			break;
		case SL_ORG_BM:
			x += midx;
			y += vid.height;
			break;
		case SL_ORG_ML:
			y += midy;
			break;
		case SL_ORG_MR:
			x += vid.height;
			y += midy;
			break;

		default:
			break;
	}

	xx[0] = x;
	yy[0] = y;
}
void SCR_ShowPics_Draw(void)
{
	downloadlist_t *failed;
	float x, y;
	showpic_t *sp;
	mpic_t *p;
	for (sp = showpics; sp; sp = sp->next)
	{
		x = sp->x;
		y = sp->y;
		SP_RecalcXY(&x, &y, sp->zone);
		if (!*sp->picname)
			continue;

		for (failed = cl.faileddownloads; failed; failed = failed->next)
		{	//don't try displaying ones that we know to have failed.
			if (!strcmp(failed->rname, sp->picname))
				break;
		}
		if (failed)
			continue;

		p = R2D_SafeCachePic(sp->picname);
		if (!p)
			continue;
		R2D_ScalePic(x, y, sp->w?sp->w:p->width, sp->h?sp->h:p->height, p);
	}
}
char *SCR_ShowPics_ClickCommand(int cx, int cy)
{
	downloadlist_t *failed;
	float x, y, w, h;
	showpic_t *sp;
	mpic_t *p;
	for (sp = showpics; sp; sp = sp->next)
	{
		if (!sp->tcommand || !*sp->tcommand)
			continue;

		x = sp->x;
		y = sp->y;
		w = sp->w;
		h = sp->h;
		SP_RecalcXY(&x, &y, sp->zone);

		if (!w || !h)
		{
			if (!*sp->picname)
				continue;
			for (failed = cl.faileddownloads; failed; failed = failed->next)
			{	//don't try displaying ones that we know to have failed.
				if (!strcmp(failed->rname, sp->picname))
				break;
			}
			if (failed)
				continue;
			p = R2D_SafeCachePic(sp->picname);
			if (!p)
				continue;
			w = w?w:sp->w;
			h = h?h:sp->h;
		}
		if (cx >= x && cx < x+w)
			if (cy >= y && cy < y+h)
				return sp->tcommand;	//if they overlap, that's your own damn fault.
	}
	return NULL;
}

//all=false clears only server pics, not ones from configs.
void SCR_ShowPic_ClearAll(qboolean persistflag)
{
	showpic_t **link, *sp;
	int pnum;

	for (pnum = 0; pnum < MAX_SPLITS; pnum++)
	{
		scr_centerprint[pnum].flags = 0;
		scr_centerprint[pnum].charcount = 0;
	}

	for (link = &showpics; (sp=*link); )
	{
		if (sp->persist != persistflag)
		{
			link = &sp->next;
			continue;
		}
		
		*link = sp->next;

		Z_Free(sp->name);
		Z_Free(sp->picname);
		Z_Free(sp->tcommand);
		Z_Free(sp);
	}
}

showpic_t *SCR_ShowPic_Find(char *name)
{
	showpic_t *sp, *last;
	for (sp = showpics; sp; sp = sp->next)
	{
		if (!strcmp(sp->name, name))
			return sp;
	}

	if (showpics)
	{
		for (last = showpics; last->next; last = last->next)
			;
	}
	else
		last = NULL;
	sp = Z_Malloc(sizeof(showpic_t));
	if (last)
	{
		last->next = sp;
		sp->next = NULL;
	}
	else
	{
		sp->next = showpics;
		showpics = sp;
	}
	sp->name = Z_Malloc(strlen(name)+1);
	strcpy(sp->name, name);
	sp->picname = Z_Malloc(1);
	sp->x = 0;
	sp->y = 0;
	sp->zone = 0;

	return sp;
}

void SCR_ShowPic_Create(void)
{
	int zone = MSG_ReadByte();
	showpic_t *sp;
	char *s;

	sp = SCR_ShowPic_Find(MSG_ReadString());

	s = MSG_ReadString();

	Z_Free(sp->picname);
	sp->picname = Z_Malloc(strlen(s)+1);
	strcpy(sp->picname, s);
	sp->zone = zone;
	sp->x = MSG_ReadShort();
	sp->y = MSG_ReadShort();

	CL_CheckOrEnqueDownloadFile(sp->picname, sp->picname, 0);
}

void SCR_ShowPic_Hide(void)
{
	showpic_t *sp, *prev;

	sp = SCR_ShowPic_Find(MSG_ReadString());

	if (sp == showpics)
		showpics = sp->next;
	else
	{
		for (prev = showpics; prev->next != sp; prev = prev->next)
			;
		prev->next = sp->next;
	}

	Z_Free(sp->name);
	Z_Free(sp->picname);
	Z_Free(sp);
}

void SCR_ShowPic_Move(void)
{
	int zone = MSG_ReadByte();
	showpic_t *sp;

	sp = SCR_ShowPic_Find(MSG_ReadString());

	sp->zone = zone;
	sp->x = MSG_ReadShort();
	sp->y = MSG_ReadShort();
}

void SCR_ShowPic_Update(void)
{
	showpic_t *sp;
	char *s;

	sp = SCR_ShowPic_Find(MSG_ReadString());

	s = MSG_ReadString();

	Z_Free(sp->picname);
	sp->picname = Z_Malloc(strlen(s)+1);
	strcpy(sp->picname, s);

	CL_CheckOrEnqueDownloadFile(sp->picname, sp->picname, 0);
}

static int SCR_ShowPic_MapZone(char *zone)
{
	//sane coding scheme
	if (!Q_strcasecmp(zone, "tr"))
		return SL_ORG_TR;
	if (!Q_strcasecmp(zone, "tl"))
		return SL_ORG_TL;
	if (!Q_strcasecmp(zone, "br"))
		return SL_ORG_BR;
	if (!Q_strcasecmp(zone, "bl"))
		return SL_ORG_BL;
	if (!Q_strcasecmp(zone, "mm"))
		return SL_ORG_MM;
	if (!Q_strcasecmp(zone, "tm"))
		return SL_ORG_TM;
	if (!Q_strcasecmp(zone, "bm"))
		return SL_ORG_BM;
	if (!Q_strcasecmp(zone, "mr"))
		return SL_ORG_MR;
	if (!Q_strcasecmp(zone, "ml"))
		return SL_ORG_MR;

	//compasy directions (but uses tei's coding scheme...)
	if (!Q_strcasecmp(zone, "nw"))
		return SL_ORG_NW;
	if (!Q_strcasecmp(zone, "ne"))
		return SL_ORG_NE;
	if (!Q_strcasecmp(zone, "sw"))
		return SL_ORG_SW;
	if (!Q_strcasecmp(zone, "sw"))
		return SL_ORG_SE;
	if (!Q_strcasecmp(zone, "cc"))
		return SL_ORG_CC;
	if (!Q_strcasecmp(zone, "cn"))
		return SL_ORG_CN;
	if (!Q_strcasecmp(zone, "cs"))
		return SL_ORG_CS;
	if (!Q_strcasecmp(zone, "cw"))
		return SL_ORG_CW;
	if (!Q_strcasecmp(zone, "ce"))
		return SL_ORG_CE;

	return atoi(zone);
}
void SCR_ShowPic_Script_f(void)
{
	char *imgname;
	char *name;
	char *tcommand;
	int x, y, w, h;
	int zone;
	showpic_t *sp;

	imgname = Cmd_Argv(1);
	name = Cmd_Argv(2);
	x = atoi(Cmd_Argv(3));
	y = atoi(Cmd_Argv(4));
	zone = SCR_ShowPic_MapZone(Cmd_Argv(5));

	w = atoi(Cmd_Argv(6));
	h = atoi(Cmd_Argv(7));
	tcommand = Cmd_Argv(8);


	sp = SCR_ShowPic_Find(name);

	Z_Free(sp->picname);
	Z_Free(sp->tcommand);
	sp->picname = Z_StrDup(imgname);
	sp->tcommand = Z_StrDup(tcommand);

	sp->zone = zone;
	sp->x = x;
	sp->y = y;
	sp->w = w;
	sp->h = h;

	if (!sp->persist)
		sp->persist = !Cmd_FromGamecode();

}

void SCR_ShowPic_Remove_f(void)
{
	SCR_ShowPic_ClearAll(!Cmd_FromGamecode());
}

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

void QDECL SCR_Fov_Callback (struct cvar_s *var, char *oldvalue)
{
	if (var->value < 10)
		Cvar_ForceSet(var, "10");
	//highs are capped elsewhere. this allows fisheye to use this cvar automatically.
}

void QDECL SCR_Viewsize_Callback (struct cvar_s *var, char *oldvalue)
{
	if (var->value < 30)
	{
		Cvar_ForceSet (var, "30");
		return;
	}
	if (var->value > 120)
	{
		Cvar_ForceSet (var, "120");
		return;
	}
}

void QDECL CL_Sbar_Callback(struct cvar_s *var, char *oldvalue)
{
}

void SCR_CrosshairPosition(playerview_t *pview, float *x, float *y)
{
	extern cvar_t cl_crossx, cl_crossy, crosshaircorrect, v_viewheight;

	vrect_t rect;
	rect = r_refdef.vrect;

	if (cl.worldmodel && crosshaircorrect.ival)
	{
		float adj;
		trace_t tr;
		vec3_t end;
		vec3_t start;
		vec3_t right, up, fwds;

		AngleVectors(pview->simangles, fwds, right, up);

		VectorCopy(pview->simorg, start);
		start[2]+=16;
		VectorMA(start, 100000, fwds, end);

		memset(&tr, 0, sizeof(tr));
		tr.fraction = 1;
		cl.worldmodel->funcs.NativeTrace(cl.worldmodel, 0, NULLFRAMESTATE, NULL, start, end, vec3_origin, vec3_origin, false, MASK_WORLDSOLID, &tr);
		start[2]-=16;
		if (tr.fraction != 1)
		{
			adj=pview->viewheight;
			if (v_viewheight.value < -7)
				adj+=-7;
			else if (v_viewheight.value > 4)
				adj+=4;
			else
				adj+=v_viewheight.value;

			start[2]+=adj;
			Matrix4x4_CM_Project(tr.endpos, end, pview->simangles, start, r_refdef.fov_x, r_refdef.fov_y);
			*x = rect.x+rect.width*end[0] + cl_crossx.value;
			*y = rect.y+rect.height*(1-end[1]) + cl_crossy.value;
			return;
		}
	}

	*x = rect.x + rect.width/2 + cl_crossx.value;
	*y = rect.y + rect.height/2 + cl_crossy.value;
}

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

Keybinding command
=================
*/
void SCR_SizeUp_f (void)
{
	if (Cmd_FromGamecode())
		Cvar_ForceSet(&scr_viewsize,va("%i", scr_viewsize.ival+10));
	else
		Cvar_SetValue (&scr_viewsize,scr_viewsize.value+10);
}


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

Keybinding command
=================
*/
void SCR_SizeDown_f (void)
{
	if (Cmd_FromGamecode())
		Cvar_ForceSet(&scr_viewsize,va("%i", scr_viewsize.ival-10));
	else
		Cvar_SetValue (&scr_viewsize,scr_viewsize.value-10);
}

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

void SCR_StringXY(const char *str, float x, float y)
{
	const char *s2;
	int px, py;
	unsigned int codepoint;
	int error;
	//pick the largest of the two. this is to avoid awkwardness with fonts that lack a version <12 pixels high.
	struct font_s *font = (Font_CharVHeight(font_console)>Font_CharVHeight(font_default))?font_console:font_default;

	Font_BeginString(font, ((x<0)?vid.width:x), ((y<0)?vid.height - sb_lines:y), &px, &py);

	if (x < 0)
	{
		for (s2 = str; *s2; )
		{
			codepoint = unicode_decode(&error, s2, &s2, true);
			px -= Font_CharWidth(CON_WHITEMASK, codepoint);
		}
	}

	if (y < 0)
		py += y*Font_CharHeight();

	while (*str)
	{
		codepoint = unicode_decode(&error, str, &str, true);
		px = Font_DrawChar(px, py, CON_WHITEMASK, codepoint);
	}
	Font_EndString(font);
}

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

	if (!scr_showturtle.ival || !scr_turtle)
		return;

	if (host_frametime <= 1.0/scr_turtlefps.value)
	{
		count = 0;
		return;
	}

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

	R2D_ScalePic (scr_vrect.x, scr_vrect.y, 64, 64, scr_turtle);
}

void SCR_DrawDisk (void)
{
	extern float fs_accessed_time;
	if ((float)realtime - fs_accessed_time > scr_diskicontimeout.value)
		return;
	if (!draw_disc || !scr_showdisk.ival)
		return;

	if (!R_GetShaderSizes(draw_disc, NULL, NULL, true))
		SCR_StringXY("FS", scr_showdisk_x.value, scr_showdisk_y.value);
	else
		R2D_ScalePic (scr_showdisk_x.value + (scr_showdisk_x.value<0?vid.width:0), scr_showdisk_y.value + (scr_showdisk_y.value<0?vid.height:0), 24, 24, draw_disc);
}

/*
==============
SCR_DrawNet
==============
*/
void SCR_DrawNet (void)
{
	if (realtime - cls.netchan.last_received < scr_neticontimeout.value)
		return;
	if (cls.demoplayback || !scr_net)
		return;

	R2D_ScalePic (scr_vrect.x+64, scr_vrect.y, 64, 64, scr_net);
}

void SCR_DrawFPS (void)
{
	extern cvar_t show_fps;
	static double lastupdatetime;
	static double lastsystemtime;
	double t;
	extern int fps_count;
	static float lastfps;
	char str[80];

	float frametime;

	if (!show_fps.ival)
		return;

	t = Sys_DoubleTime();
	if ((t - lastupdatetime) >= 1.0)
	{
		lastfps = fps_count/(t - lastupdatetime);
		fps_count = 0;
		lastupdatetime = t;
	}
	frametime = t - lastsystemtime;
	lastsystemtime = t;

	if (show_fps.value < 0)
		R_FrameTimeGraph(frametime, 0);
	else if (show_fps.value > 1)
		R_FrameTimeGraph(frametime, show_fps.value-1);
	sprintf(str, "%3.1f FPS", lastfps);
	SCR_StringXY(str, show_fps_x.value, show_fps_y.value);
}

void SCR_DrawClock(void)
{
	struct tm *newtime;
	time_t long_time;
	char str[16];

	if (!show_clock.ival)
		return;

	time( &long_time );
	newtime = localtime( &long_time );
	if (show_clock.ival == 2)
		strftime( str, sizeof(str)-1, "%I:%M %p   ", newtime);
	else
		strftime( str, sizeof(str)-1, "%H:%M    ", newtime);

	SCR_StringXY(str, show_clock_x.value, show_clock_y.value);
}

void SCR_DrawGameClock(void)
{
#ifdef QUAKESTATS
	float showtime;
	int minutes;
	int seconds;
	char str[16];
	int flags;
	float timelimit;

	if (!show_gameclock.ival)
		return;

	flags = (show_gameclock.value-1);
	if (flags & 1)
		timelimit = 60 * atof(InfoBuf_ValueForKey(&cl.serverinfo, "timelimit"));
	else
		timelimit = 0;

	if (cl.matchstate == MATCH_STANDBY)
		showtime = cl.servertime;
	else if (cl.playerview[0].statsf[STAT_MATCHSTARTTIME])
		showtime = timelimit - (cl.servertime - cl.playerview[0].statsf[STAT_MATCHSTARTTIME]/1000);
	else 
		showtime = timelimit - (cl.servertime - cl.matchgametimestart);

	if (showtime < 0)
		showtime *= -1;

	minutes = showtime/60;
	seconds = (int)showtime - (minutes*60);
	sprintf(str, "%02i:%02i", minutes, seconds);

	SCR_StringXY(str, show_gameclock_x.value, show_gameclock_y.value);
#endif
}

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

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

	if (!cl.paused)
		return;

#ifndef CLIENTONLY
	if (sv.active && sv.paused == PAUSE_AUTO)
		return;
#endif

	if (Key_Dest_Has(kdm_menu))
		return;

	pic = R2D_SafeCachePic ("gfx/pause.lmp");
	if (pic)
	{
		R2D_ScalePic ( (vid.width - pic->width)/2,
			(vid.height - 48 - pic->height)/2, pic->width, pic->height, pic);
	}
	else
		Draw_FunString((vid.width-strlen("Paused")*8)/2, (vid.height-8)/2, "Paused");
}



/*
==============
SCR_DrawLoading
==============
*/

int			total_loading_size, current_loading_size, loading_stage;
char		*loadingfile;
int CL_DownloadRate(void);

int SCR_GetLoadingStage(void)
{
	return loading_stage;
}
void SCR_SetLoadingStage(int stage)
{
	switch(stage)
	{
	case LS_NONE:
		if (loadingfile)
			Z_Free(loadingfile);
		loadingfile = NULL;
		scr_disabled_for_loading = scr_drawloading = false;
		break;
	case LS_CONNECTION:
		SCR_SetLoadingFile("waiting for connection...");
		break;
	case LS_SERVER:
		SCR_SetLoadingFile("starting server...");
		break;
	case LS_CLIENT:
		SCR_SetLoadingFile("receiving map info");
		break;
	}
	loading_stage = stage;
}
void SCR_SetLoadingFile(char *str)
{
	if (loadingfile && !strcmp(loadingfile, str))
		return;

	if (loadingfile)
		Z_Free(loadingfile);
	loadingfile = Z_Malloc(strlen(str)+1);
	strcpy(loadingfile, str);

	if (scr_loadingrefresh.ival)
	{
		qboolean oldwarndraw = r_refdef.warndraw;
		r_refdef.warndraw = false;
		SCR_UpdateScreen();
		r_refdef.warndraw = oldwarndraw;
	}
}

void SCR_DrawLoading (qboolean opaque)
{
	int sizex, x, y, w, h;
	mpic_t  *pic;
	char *s;

	if (CSQC_UseGamecodeLoadingScreen())
		return;	//will be drawn as part of the regular screen updates
#ifdef MENU_DAT
	if (MP_UsingGamecodeLoadingScreen())
	{
		if (opaque)
			MP_Draw();
		return;	//menuqc should have just drawn whatever overlays it wanted.
	}
#endif
#ifdef MENU_NATIVECODE
	if (mn_entry && mn_entry->DrawLoading)
	{
		mn_entry->DrawLoading(host_frametime);
		return;
	}
#endif

	//int mtype = M_GameType(); //unused variable
	y = vid.height/2;

	if (R2D_DrawLevelshot())
		;
	else if (opaque)
	{
		R2D_ImageColours(0, 0, 0, 1);
		R2D_FillBlock(0, 0, vid.width, vid.height);
		R2D_ImageColours(1, 1, 1, 1);
		R2D_ConsoleBackground (0, vid.height, true);
	}

	if (scr_showloading.ival)
	{
		char *qname = scr_loadingscreen_picture.string;

#ifdef HEXEN2
		int qdepth = COM_FDepthFile(qname, true);
		int h2depth = COM_FDepthFile("gfx/menu/loading.lmp", true);

		if (qdepth < h2depth && h2depth != FDEPTH_MISSING)
		{	//hexen2 files.
			//hexen2 has some fancy sliders built into its graphics in specific places. so this is messy.
			pic = R2D_SafeCachePic ("gfx/menu/loading.lmp");
			if (R_GetShaderSizes(pic, &w, &h, true))
			{
				int		size, count, offset;

				if (!scr_drawloading && loading_stage == 0)
					return;

				offset = (vid.width - w)/2;
				R2D_ScalePic (offset, 0, w, h, pic);

				if (loading_stage == LS_NONE)
					return;

				if (total_loading_size)
					size = current_loading_size * 106 / total_loading_size;
				else
					size = 0;

				if (loading_stage == LS_CLIENT)
					count = size;
				else
					count = 106;

				R2D_ImagePaletteColour (136, 1.0);
				R2D_FillBlock (offset+42, 87, count, 1);
				R2D_FillBlock (offset+42, 87+5, count, 1);
				R2D_ImagePaletteColour (138, 1.0);
				R2D_FillBlock (offset+42, 87+1, count, 4);

				if (loading_stage == LS_SERVER)
					count = size;
				else
					count = 0;

				R2D_ImagePaletteColour(168, 1.0);
				R2D_FillBlock (offset+42, 97, count, 1);
				R2D_FillBlock (offset+42, 97+5, count, 1);
				R2D_ImagePaletteColour(170, 1.0);
				R2D_FillBlock (offset+42, 97+1, count, 4);

				y = 104;
			}
		}
		else
#endif
		{	//quake files
			pic = R2D_SafeCachePic (qname);
			if (R_GetShaderSizes(pic, &w, &h, true))
			{
				float f = 1;
				w *= scr_loadingscreen_scale.value;
				h *= scr_loadingscreen_scale.value;
				switch(scr_loadingscreen_scale_limit.ival)
				{
				default:
					break;
				case 1:
					f = max(w/vid.width,h/vid.height);
					break;
				case 2:
					f = min(w/vid.width,h/vid.height);
					break;
				case 3:
					f = w/vid.width;
					break;
				case 4:
					f = h/vid.height;
					break;
				}
				if (f > 1)
				{
					w /= f;
					h /= f;
				}
				x = ((int)vid.width - w)/2;
				y = ((int)vid.height - 48 - h)/2;
				R2D_ScalePic (x, y, w, h, pic);
				x = (vid.width/2) - 96;
				y += h + 8;

				//make sure our loading crap will be displayed.
				if (y > vid.height-32)
					y = vid.height-32;
			}
			else
			{
				x = (vid.width/2) - 96;
				y = (vid.height/2) - 8;

				Draw_FunString((vid.width-7*8)/2, y-16, "Loading");
			}

			if (!total_loading_size)
				total_loading_size = 1;
			if (loading_stage > LS_CONNECTION)
			{
				sizex = current_loading_size * 192 / total_loading_size;
				if (loading_stage == LS_SERVER)
				{
					R2D_ImageColours(1.0, 0.0, 0.0, 1.0);
					R2D_FillBlock(x, y, sizex, 16);
					R2D_ImageColours(0.0, 0.0, 0.0, 1.0);
					R2D_FillBlock(x+sizex, y, 192-sizex, 16);
				}
				else
				{
					R2D_ImageColours(1.0, 1.0, 0.0, 1.0);
					R2D_FillBlock(x, y, sizex, 16);
					R2D_ImageColours(1.0, 0.0, 0.0, 1.0);
					R2D_FillBlock(x+sizex, y, 192-sizex, 16);
				}

				R2D_ImageColours(1, 1, 1, 1);
				Draw_FunString(x+8, y+4, va("Loading %s... %i%%",
					(loading_stage == LS_SERVER) ? "server" : "client",
					current_loading_size * 100 / total_loading_size));
			}
			y += 16;

			if (loadingfile)
			{
				Draw_FunString(x+8, y+4, loadingfile);
				y+=16;
			}
		}
	}
	R2D_ImageColours(1, 1, 1, 1);

	if (cl.downloadlist || cls.download)
	{
		unsigned int fcount;
		qofs_t tsize;
		qboolean sizeextra;

		x = vid.width/2 - 160;

		CL_GetDownloadSizes(&fcount, &tsize, &sizeextra);
		//downloading files?
		if (cls.download)
			Draw_FunString(x+8, y+4, va("Downloading %s... %i%%",
				cls.download->localname,
				(int)cls.download->percent));

		if (tsize > 1024*1024*16)
		{
			Draw_FunString(x+8, y+8+4, va("%5ukbps %8umb%s remaining (%i files)",
				(unsigned int)(CL_DownloadRate()/1000.0f),
				(unsigned int)(tsize/(1024*1024)),
				sizeextra?"+":"",
				fcount));
		}
		else
		{
			Draw_FunString(x+8, y+8+4, va("%5ukbps %8ukb%s remaining (%i files)",
				(unsigned int)(CL_DownloadRate()/1000.0f),
				(unsigned int)(tsize/1024),
				sizeextra?"+":"",
				fcount));
		}

		y+= 16+8;
	}
	else if (CL_TryingToConnect())
	{
		char dots[4];

		s = CL_TryingToConnect();
		x = (vid.width - (strlen(s)+15)*8) / 2;
		dots[0] = '.';
		dots[1] = '.';
		dots[2] = '.';
		dots[(int)realtime & 3] = 0;
		Draw_FunString(x, y+4, va("Connecting to: %s%s", s, dots));
	}
}

void SCR_BeginLoadingPlaque (void)
{
	if (cls.state != ca_active && cls.protocol != CP_QUAKE3)
		return;

	if (!scr_initialized)
		return;

//	if (key_dest == key_console) //not really appropriate if client is to show it on a remote server.
//		return;

// redraw with no console and the loading plaque
	if (!scr_disabled_for_loading)
	{
		qboolean oldwarndraw = r_refdef.warndraw;
		Sbar_Changed ();
		r_refdef.warndraw = false;
		scr_drawloading = true;
		SCR_UpdateScreen ();
		scr_drawloading = false;
		scr_disabled_for_loading = true;
		r_refdef.warndraw = oldwarndraw;
	}

	scr_disabled_time = Sys_DoubleTime();	//realtime tends to change... Hmmm....
}

void SCR_EndLoadingPlaque (void)
{
//	if (!scr_initialized)
//		return;

	scr_disabled_for_loading = false;
	*levelshotname = '\0';
	SCR_SetLoadingStage(0);
	scr_drawloading = false;
}

void SCR_ImageName (const char *mapname)
{
	//assume levelshots/foo
	strcpy(levelshotname, "levelshots/");
	COM_FileBase(mapname, levelshotname + strlen(levelshotname), sizeof(levelshotname)-strlen(levelshotname));

	if (qrenderer && scr_loadingscreen_aspect.ival >= 0)
	{
		R_LoadHiResTexture(levelshotname, NULL, IF_NOWORKER|IF_UIPIC|IF_NOPICMIP|IF_NOMIPMAP|IF_CLAMP);

		if (!R_GetShaderSizes(R2D_SafeCachePic (levelshotname), NULL, NULL, true))
		{
			//try maps/foo
			strcpy(levelshotname, "maps/");
			COM_FileBase(mapname, levelshotname + strlen(levelshotname), sizeof(levelshotname)-strlen(levelshotname));
			if (!R_GetShaderSizes(R2D_SafeCachePic (levelshotname), NULL, NULL, true))
			{
				*levelshotname = '\0';
				if (scr_disabled_for_loading)
					return;
			}
		}
	}
	else
	{
		*levelshotname = '\0';
		if (scr_disabled_for_loading)
			return;
	}

	scr_drawloading = true;
	if (qrenderer != QR_NONE)
	{
		qboolean oldwarndraw = r_refdef.warndraw;
		r_refdef.warndraw = false;
		Sbar_Changed ();
		SCR_UpdateScreen ();
		r_refdef.warndraw = oldwarndraw;
	}

	scr_disabled_time = Sys_DoubleTime();	//realtime tends to change... Hmmm....
	scr_disabled_for_loading = true;
}


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


/*
==================
SCR_SetUpToDrawConsole
==================
*/
void SCR_SetUpToDrawConsole (void)
{
	extern int startuppending;	//true if we're downloading media or something and have not yet triggered the startup action (read: main menu or cinematic)
	float fullscreenpercent = 1;
#ifdef ANDROID
	//android has an onscreen imm that we don't want to obscure
	fullscreenpercent = scr_consize.value;
#endif
	if (!con_stayhidden.ival && (!Key_Dest_Has(~(kdm_console|kdm_game))) && (!cl.sendprespawn && cl.worldmodel && cl.worldmodel->loadstate != MLS_LOADED))
	{
		//force console to fullscreen if we're loading stuff (but don't necessarily force focus)
//		Key_Dest_Add(kdm_console);
		scr_con_target = scr_con_current = vid.height * fullscreenpercent;
	}
	else if (!startuppending && !Key_Dest_Has(kdm_menu) && (!Key_Dest_Has(~((!con_stayhidden.ival?kdm_console:0)|kdm_prompt|kdm_game))) && SCR_GetLoadingStage() == LS_NONE && cls.state < ca_active && !CSQC_UnconnectedOkay(false))
	{
		//go fullscreen if we're not doing anything
		if (con_curwindow && !cls.state && !scr_drawloading && !Key_Dest_Has(kdm_console))
		{
			Key_Dest_Add(kdm_cwindows);
			scr_con_target = 0; // not looking at an normal console
		}
#ifdef VM_UI
		else if (UI_OpenMenu())
			scr_con_current = scr_con_target = 0;	//force instantly hidden.
#endif
		else
		{
			qboolean legacyfullscreen = false;
			if (cls.state < ca_demostart)
			{
				if (con_stayhidden.ival)
				{	//go to the menu instead of the console.
					extern int startuppending;
					if (!scr_drawloading && SCR_GetLoadingStage() == LS_NONE)
					{
						if (CL_TryingToConnect())	//if we're trying to connect, make sure there's a loading/connecting screen showing instead of forcing the menu visible
							SCR_SetLoadingStage(LS_CONNECTION);
						else if (!Key_Dest_Has(kdm_menu) && !startuppending)	//don't force anything until the startup stuff has been done
							M_ToggleMenu_f();
					}
				}
				else
				{	//nothing happening, make sure the console is visible or something.
					if (!scr_drawloading)
						Key_Dest_Add(kdm_console);
					legacyfullscreen = true;
				}
			}

			if (startuppending)
				scr_con_target = 0;	//not made any decisions yet
			else if (Key_Dest_Has(kdm_console) || legacyfullscreen)
				scr_con_current = scr_con_target = vid.height * fullscreenpercent; // force instantly to fullscreen
			else
				scr_con_target = 0;
		}
	}
	else if (Key_Dest_Has(kdm_console))
	{
		//go half-screen if we're meant to have the console visible
		scr_con_target = vid.height*scr_consize.value;    // half screen
		if (scr_con_target < 32)
			scr_con_target = 32;	//prevent total loss of console.
		else if (scr_con_target>vid.height)
			scr_con_target = vid.height;
	}
	else
		scr_con_target = 0;                               // scroll to nothing

	if (scr_con_target < scr_con_current)
	{
		scr_con_current -= scr_conspeed.value*host_frametime * (vid.height/320.0f);
		if (scr_con_target > scr_con_current)
			scr_con_current = scr_con_target;

	}
	else if (scr_con_target > scr_con_current)
	{
		scr_con_current += scr_conspeed.value*host_frametime * (vid.height/320.0f);
		if (scr_con_target < scr_con_current)
			scr_con_current = scr_con_target;
	}

	if (scr_con_current>vid.height)
		scr_con_current = vid.height;

	if (clearconsole++ < vid.numpages)
	{
		Sbar_Changed ();
	}
	else if (clearnotify++ < vid.numpages)
	{
	}
}

/*
==================
SCR_DrawConsole
==================
*/
void SCR_DrawConsole (qboolean noback)
{
	if (!scr_con_current)
	{
		if (!Key_Dest_Has(kdm_console|kdm_menu))
			Con_DrawNotify ();      // only draw notify in game
	}
	Con_DrawConsole (scr_con_current, noback);
	if (scr_con_current || Key_Dest_Has(kdm_cwindows))
		clearconsole = 0;
}


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

						SCREEN SHOTS

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

/*
==================
SCR_ScreenShot_f
==================
*/
static void SCR_ScreenShot_f (void)
{
	char			sysname[1024];
	char            pcxname[MAX_QPATH];
	int                     i;
	vfsfile_t *vfs;
	void *rgbbuffer;
	int stride, width, height;
	enum uploadfmt fmt;

	if (!VID_GetRGBInfo)
	{
		Con_Printf("Screenshots are not supported with the current renderer\n");
		return;
	}

	if (Cmd_Argc() == 2)
	{
		Q_strncpyz(pcxname, Cmd_Argv(1), sizeof(pcxname));
		if (strstr (pcxname, "..") || strchr(pcxname, ':') || *pcxname == '.' || *pcxname == '/')
		{
			Con_Printf("Screenshot name refused\n");
			return;
		}
		COM_DefaultExtension (pcxname, scr_sshot_type.string, sizeof(pcxname));
	}
	else
	{
		int stop = 1000;
		char date[MAX_QPATH];
		time_t tm = time(NULL);
		strftime(date, sizeof(date), "%Y%m%d%H%M%S", localtime(&tm));
	//
	// find a file name to save it to
	//
		for (i=0 ; i<stop ; i++)
		{
			Q_snprintfz(pcxname, sizeof(pcxname), "%s%s-%i.%s", scr_sshot_prefix.string, date, i, scr_sshot_type.string);

			if (!(vfs = FS_OpenVFS(pcxname, "rb", FS_GAMEONLY)))
				break;  // file doesn't exist
			VFS_CLOSE(vfs);
		}
		if (i==stop)
		{
			Con_Printf ("SCR_ScreenShot_f: Couldn't create sequentially named file\n");
			return;
		}
	}

	FS_NativePath(pcxname, FS_GAMEONLY, sysname, sizeof(sysname));

	rgbbuffer = VID_GetRGBInfo(&stride, &width, &height, &fmt);
	if (rgbbuffer)
	{
		//regarding metadata - we don't really know what's on the screen, so don't write something that may be wrong (eg: if there's only a console, don't claim that its a 360 image)
		if (SCR_ScreenShot(pcxname, FS_GAMEONLY, &rgbbuffer, 1, stride, width, height, fmt, false))
		{
			Con_Printf ("Wrote %s\n", sysname);
			BZ_Free(rgbbuffer);
			return;
		}
		BZ_Free(rgbbuffer);
		Con_Printf (CON_ERROR "Couldn't write %s\n", sysname);
	}
	else
		Con_Printf (CON_ERROR "Couldn't get colour buffer for screenshot\n");
}

void *SCR_ScreenShot_Capture(int fbwidth, int fbheight, int *stride, enum uploadfmt *fmt, qboolean no2d, qboolean hdr)
{
	int width, height;
	void *buf;
	qboolean okay = false;
	qboolean usefbo;
	qboolean oldwarndraw = r_refdef.warndraw;

	if (fbwidth == vid.fbpwidth && fbheight == vid.fbpheight && qrenderer != QR_VULKAN)
		usefbo = false;
#ifdef GLQUAKE
	else if (qrenderer == QR_OPENGL && gl_config.ext_framebuffer_objects)
		usefbo = true;
#endif
	else
		return NULL;

	if (usefbo)
	{
		r_refdef.warndraw = true;
		Q_strncpyz(r_refdef.rt_destcolour[0].texname, "megascreeny", sizeof(r_refdef.rt_destcolour[0].texname));
		/*vid.framebuffer =*/R2D_RT_Configure(r_refdef.rt_destcolour[0].texname, fbwidth, fbheight, (hdr&&sh_config.texfmt[PTI_RGBA16F])?PTI_RGBA16F:PTI_RGBA8, RT_IMAGEFLAGS);
		BE_RenderToTextureUpdate2d(true);
	}
	else
		r_refdef.warndraw = false;

	R2D_FillBlock(0, 0, vid.fbvwidth, vid.fbvheight);

#ifdef VM_CG
	if (!okay && CG_Refresh())
		okay = true;
#endif
#ifdef CSQC_DAT
	if (!okay && CSQC_DrawView())
		okay = true;
	if (usefbo)// && !*r_refdef.rt_destcolour[0].texname)
	{	//csqc protects its own. lazily.
		Q_strncpyz(r_refdef.rt_destcolour[0].texname, "megascreeny", sizeof(r_refdef.rt_destcolour[0].texname));
		BE_RenderToTextureUpdate2d(true);
	}
#endif
	if (!okay && r_worldentity.model)
	{
		V_RenderView (no2d);
		okay = true;
	}
	if (R2D_Flush)
		R2D_Flush();

	//fixme: add a way to get+save the depth values too
	if (!okay)
	{
		buf = NULL;
		*stride = width = height = 0;
		*fmt = TF_INVALID;
	}
	else
		buf = VID_GetRGBInfo(stride, &width, &height, fmt);

	if (usefbo)
	{
		R2D_RT_Configure(r_refdef.rt_destcolour[0].texname, 0, 0, 0, RT_IMAGEFLAGS);
		Q_strncpyz(r_refdef.rt_destcolour[0].texname, "", sizeof(r_refdef.rt_destcolour[0].texname));
		BE_RenderToTextureUpdate2d(true);
	}

	r_refdef.warndraw = oldwarndraw;

	if (!buf || width != fbwidth || height != fbheight)
	{
		*fmt = TF_INVALID;
		BZ_Free(buf);
		return NULL;
	}
	return buf;
}

static void SCR_ScreenShot_Mega_f(void)
{
	extern cvar_t r_projection;
	int stride[2];
	int width[2];
	int height[2];
	void *buffers[2];
	enum uploadfmt fmt[2];
	int numbuffers = 0;
	int buf;
	char filename[MAX_QPATH];
	stereomethod_t osm = r_refdef.stereomethod;
	int projection = r_projection.ival;

	//massage the rendering code to redraw the screen with an fbo forced.
	//this allows us to generate screenshots which are not otherwise possible to actually draw.
	//this includes larger resolutions (although the lack of stiching leaves us subject to gpu limits of about 16k)

	char *screenyname = Cmd_Argv(1);
	unsigned int fbwidth = strtoul(Cmd_Argv(2), NULL, 0);
	unsigned int fbheight = strtoul(Cmd_Argv(3), NULL, 0);
	char ext[8];

	if (Cmd_IsInsecure())
		return;

	if (qrenderer <= QR_HEADLESS)
	{
		Con_Printf("No renderer active\n");
		return;
	}

	if (strcmp(Cmd_Argv(0), "screenshot_mega"))
	{	//screenshot_360, screenshot_stereo etc probably don't want to capture mega screenshots
		//so default to something more realistic instead.
		if (!fbwidth)
			fbwidth = vid.pixelwidth;
		if (!fbheight)
			fbheight = vid.pixelheight;
	}

	if (!fbwidth)
		fbwidth = sh_config.texture2d_maxsize;
	fbwidth = bound(1, fbwidth, sh_config.texture2d_maxsize);
	if (!fbheight)
		fbheight = (fbwidth * 3)/4;
	fbheight = bound(1, fbheight, sh_config.texture2d_maxsize);

	if (strstr (screenyname, "..") || strchr(screenyname, ':') || *screenyname == '.' || *screenyname == '/')
		screenyname = "";
	if (!*screenyname)
	{
		screenyname = "megascreeny";
		Q_snprintfz(filename, sizeof(filename), "%s%s", scr_sshot_prefix.string, screenyname);
	}
	else
	{
		char *mangle;
		Q_snprintfz(filename, sizeof(filename), "%s", scr_sshot_prefix.string);
		mangle = COM_SkipPath(filename);
		Q_snprintfz(mangle, sizeof(filename) - (mangle-filename), "%s", screenyname);
	}

	if (!strcmp(Cmd_Argv(0), "screenshot_360"))
		r_projection.ival = PROJ_EQUIRECTANGULAR;

	if (!strcmp(Cmd_Argv(0), "screenshot_stereo"))
		COM_DefaultExtension (filename, "png", sizeof(filename));	//png/pns is the only format that can really cope with this right now.
	else
		COM_DefaultExtension (filename, scr_sshot_type.string, sizeof(filename));

	COM_FileExtension(filename, ext, sizeof(ext));
	if (!strcmp(Cmd_Argv(0), "screenshot_stereo") || !strcmp(ext, "pns") || osm == STEREO_QUAD)
		numbuffers = 2;	//stereo png
	else
		numbuffers = 1;

	if (numbuffers == 2 && Q_strcasecmp(ext, "png") && Q_strcasecmp(ext, "pns"))
	{
		Con_Printf("Only png format is supported for stereo screenshots\n");
		return;
	}

	for(buf = 0; buf < numbuffers; buf++)
	{
		if (numbuffers == 2)
		{
			if (buf)
				r_refdef.stereomethod = STEREO_RIGHTONLY;
			else
				r_refdef.stereomethod = STEREO_LEFTONLY;
		}

		buffers[buf] = SCR_ScreenShot_Capture(fbwidth, fbheight, &stride[buf], &fmt[buf], false, false);
		width[buf] = fbwidth;
		height[buf] = fbheight;

		if (width[buf] != width[0] || height[buf] != height[0] || fmt[buf] != fmt[0])
		{	//invalid is better than unmatched.
			BZ_Free(buffers[buf]);
			buffers[buf] = NULL;
		}
	}

	if (numbuffers == 2 && !buffers[1])
		numbuffers = 1;

	//okay, we drew something, we're good to save a screeny.
	if (buffers[0])
	{
		if (SCR_ScreenShot(filename, FS_GAMEONLY, buffers, numbuffers, stride[0], width[0], height[0], fmt[0], true))
		{
			char			sysname[1024];
			FS_NativePath(filename, FS_GAMEONLY, sysname, sizeof(sysname));
			Con_Printf ("Wrote %s\n", sysname);
		}
	}
	else
		Con_Printf("Unable to capture screenshot\n");

	for(buf = 0; buf < numbuffers; buf++)
		BZ_Free(buffers[buf]);

	r_refdef.stereomethod = osm;
	r_projection.ival = projection;
}

static void SCR_ScreenShot_VR_f(void)
{
	char *screenyname = Cmd_Argv(1);
	const char *ext;
	int width = atoi(Cmd_Argv(2));
	int stride=0;
	//we spin the camera around, taking slices from equirectangular screenshots
	char filename[MAX_QPATH];
	int height;	//equirectangular 360 * 180 gives a nice clean ratio
	int px = 4;
	int step = atof(Cmd_Argv(3));
	void *buffer[2], *buf;
	enum uploadfmt fmt;
	int lx, rx, x, y;
	vec3_t baseang;
	float ang;
	qboolean fail = false;
	extern cvar_t r_projection, r_stereo_separation, r_stereo_convergence;
	qboolean stereo;
	VectorCopy(r_refdef.viewangles, baseang);

	if (width <= 2)
		width = 2048;
	if (width > sh_config.texture2d_maxsize)
		width = sh_config.texture2d_maxsize;
	height = width/2;
	if (step <= 0)
		step = 5;

	buffer[0] = BZF_Malloc (width*height*2*px);
	buffer[1] = (qbyte*)buffer[0] + width*height*px;

	if (strstr (screenyname, "..") || strchr(screenyname, ':') || *screenyname == '.' || *screenyname == '/')
		screenyname = "";
	if (!*screenyname)
	{
		screenyname = "vr";
		Q_snprintfz(filename, sizeof(filename), "%s%s", scr_sshot_prefix.string, screenyname);
	}
	else
	{
		char *mangle;
		Q_snprintfz(filename, sizeof(filename), "%s", scr_sshot_prefix.string);
		mangle = COM_SkipPath(filename);
		Q_snprintfz(mangle, sizeof(filename) - (mangle-filename), "%s", screenyname);
	}
	COM_DefaultExtension (filename, scr_sshot_type.string, sizeof(filename));

	ext = COM_GetFileExtension(filename, NULL);
	stereo = !Q_strcasecmp(ext, ".pns") || !Q_strcasecmp(ext, ".jns");



	if (!buffer[0])
	{
		Con_Printf("out of memory\n");
		return;
	}

	r_projection.ival = PROJ_EQUIRECTANGULAR;
	for (lx = 0; lx < width; lx = rx)
	{
		rx = lx + step;
		if (rx > width)
			rx = width;

		r_refdef.stereomethod = STEREO_OFF;

		cl.playerview->simangles[0] = 0;	//pitch is BAD
		cl.playerview->simangles[1] = baseang[1] + r_stereo_convergence.value*0.5;
		cl.playerview->simangles[2] = 0; //roll is BAD
		VectorCopy(cl.playerview->simangles, cl.playerview->viewangles);

		//FIXME: it should be possible to do this more inteligently, and get both strips with a single render.
		//FIXME: we should render to a PBO instead, so that the gpu+cpu don't need to sync until the very end.
		//FIXME: we should be using scissoring to avoid redrawing the entire screen (also tweak cull planes)

		ang = M_PI*2*(baseang[1]/360.0 + (lx+0.5*(rx-lx))/width);
		r_refdef.eyeoffset[0] = sin(ang) * r_stereo_separation.value * 0.5;
		r_refdef.eyeoffset[1] = cos(ang) * r_stereo_separation.value * 0.5;
		r_refdef.eyeoffset[2] = 0;
		buf = SCR_ScreenShot_Capture(width, height, &stride, &fmt, true, false);
		switch(fmt)
		{
		case TF_BGRA32:
			for (y = 0; y < height; y++)
			for (x = lx; x < rx; x++)
				((unsigned int*)buffer[0])[y*width + x] = ((unsigned int*)buf)[y*width + x];
			break;
		case TF_RGB24:
			for (y = 0; y < height; y++)
			for (x = lx; x < rx; x++)
			{
				((qbyte*)buffer[0])[(y*width + x)*4+0] = ((qbyte*)buf)[(y*width + x)*3+2];
				((qbyte*)buffer[0])[(y*width + x)*4+1] = ((qbyte*)buf)[(y*width + x)*3+1];
				((qbyte*)buffer[0])[(y*width + x)*4+2] = ((qbyte*)buf)[(y*width + x)*3+0];
				((qbyte*)buffer[0])[(y*width + x)*4+3] = 255;
			}
			break;
		default:
			fail = true;
			break;
		}
		BZ_Free(buf);


		cl.playerview->simangles[0] = 0;	//pitch is BAD
		cl.playerview->simangles[1] = baseang[1] - r_stereo_convergence.value*0.5;
		cl.playerview->simangles[2] = 0; //roll is BAD
		VectorCopy(cl.playerview->simangles, cl.playerview->viewangles);


		r_refdef.eyeoffset[0] *= -1;
		r_refdef.eyeoffset[1] *= -1;
		r_refdef.eyeoffset[2] = 0;
		buf = SCR_ScreenShot_Capture(width, height, &stride, &fmt, true, false);
		switch(fmt)
		{
		case TF_BGRA32:
			for (y = 0; y < height; y++)
			for (x = lx; x < rx; x++)
				((unsigned int*)buffer)[y*width + x] = ((unsigned int*)buf)[y*width + x];
			break;
		case TF_RGB24:
			for (y = 0; y < height; y++)
			for (x = lx; x < rx; x++)
			{
				((qbyte*)buffer[1])[(y*width + x)*4+0] = ((qbyte*)buf)[(y*width + x)*3+2];
				((qbyte*)buffer[1])[(y*width + x)*4+1] = ((qbyte*)buf)[(y*width + x)*3+1];
				((qbyte*)buffer[1])[(y*width + x)*4+2] = ((qbyte*)buf)[(y*width + x)*3+0];
				((qbyte*)buffer[1])[(y*width + x)*4+3] = 255;
			}
			break;
		default:
			fail = true;
			break;
		}
		BZ_Free(buf);
	}

	if (fail)
		Con_Printf ("Unable to capture suitable screen image\n");
	else if (SCR_ScreenShot(filename, FS_GAMEONLY, buffer, (stereo?2:1), stride, width, height*(stereo?1:2), TF_BGRX32, true))
	{
		char			sysname[1024];
		FS_NativePath(filename, FS_GAMEONLY, sysname, sizeof(sysname));
		Con_Printf ("Wrote %s\n", sysname);
	}

	BZ_Free(buffer[0]);

	r_projection.ival = r_projection.value;
	VectorCopy(baseang, r_refdef.viewangles);
	VectorClear(r_refdef.eyeoffset);
}

void SCR_ScreenShot_Cubemap_f(void)
{
	void *buffer;
	int stride, fbwidth, fbheight;
	uploadfmt_t fmt;
	char filename[MAX_QPATH];
	char			sysname[1024];
	char *fname = Cmd_Argv(1);
	int i, firstside;
	char olddrawviewmodel[64];	//hack, so we can set r_drawviewmodel to 0 so that it doesn't appear in screenshots even if the csqc is generating new data.
	vec3_t oldangles;
	void *facedata;
	struct pendingtextureinfo mips;
	static const struct
	{
		vec3_t angle;
		const char *postfix;
		qboolean verticalflip;
		qboolean horizontalflip;
	} sides[] =
	{
		//standard cubemap (flipping is done on save)
		{{0, 0, 90}, "_px", true},
		{{0, 180, -90}, "_nx", true},
		{{0, 90, 0}, "_py", true},	//upside down
		{{0, 270, 0}, "_ny", false, true},
		{{-90, 0, 90}, "_pz", true},
		{{90, 0, 90}, "_nz", true},

		//annoying envmap (requires processing to flip/etc the images before they can be loaded into a texture)
		{{0, 270, 0}, "_ft"},
		{{0, 90, 0}, "_bk"},
		{{0, 0, 0}, "_rt"},
		{{0, 180, 0}, "_lf"},
		{{90, 0, 0}, "_dn"},
		{{-90, 0, 0}, "_up"}
	};
	const char *ext;
	unsigned int bb, bw, bh, bd;

	if (!cls.state || !cl.worldmodel || cl.worldmodel->loadstate != MLS_LOADED)
	{
		Con_Printf("Please start a map first\n");
		return;
	}

	firstside = (!strcmp(Cmd_Argv(0), "envmap"))?6:0;

	r_refdef.stereomethod = STEREO_OFF;
	Q_strncpyz(olddrawviewmodel, r_drawviewmodel.string, sizeof(olddrawviewmodel));
	Cvar_Set(&r_drawviewmodel, "0");

	VectorCopy(cl.playerview->viewangles, oldangles);

	fbheight = atoi(Cmd_Argv(2))&~1;
	if (fbheight < 1)
		fbheight = 512;
	fbwidth = fbheight;

	ext = COM_GetFileExtension(fname, NULL);
	if (!*fname || ext == fname)
	{	//generate a default filename if none exists yet.
		char base[MAX_QPATH];
		COM_FileBase(cl.worldmodel->name, base, sizeof(base));
		fname = va("%s/%i_%i_%i", base, (int)r_refdef.vieworg[0], (int)r_refdef.vieworg[1], (int)r_refdef.vieworg[2]);
	}
	if (!strcmp(ext, ".ktx") || !strcmp(ext, ".dds"))
	{
		qboolean fail = false;
		mips.type = PTI_CUBE;
		mips.encoding = PTI_INVALID;
		mips.extrafree = NULL;
		mips.mipcount = 1;

		bb=0;
		for (i = 0; i < 6; i++)
		{
			VectorCopy(sides[i].angle, cl.playerview->simangles);
			VectorCopy(cl.playerview->simangles, cl.playerview->viewangles);

			//don't use hdr when saving dds files. it generally means dx10 dds files and most tools suck too much and then I get blamed for writing 'corrupt' dds files.
			facedata = SCR_ScreenShot_Capture(fbwidth, fbheight, &stride, &fmt, true, !!strcmp(ext, ".dds"));
			if (!facedata)
				break;
			if (!bb)
			{
				Image_BlockSizeForEncoding(fmt, &bb, &bw, &bh, &bd);
				if (!bb || bw != 1 || bh != 1 || bd != 1 || fbwidth != fbheight)
				{	//erk, no block compression here...
					BZ_Free(facedata);
					break;	//zomgwtfbbq
				}
				mips.mip[0].datasize = bb*((fbwidth+bw-1)/bw)*((fbheight+bh-1)/bh);
				mips.mip[0].width = fbwidth;
				mips.mip[0].height = fbheight;
				mips.mip[0].depth = 6;
				mips.mip[0].datasize *= mips.mip[0].depth;
				mips.mip[0].data = BZ_Malloc(mips.mip[0].datasize);
				mips.mip[0].needfree = true;

				mips.encoding = fmt;
			}
			else if (fmt != mips.encoding || fbwidth != mips.mip[0].width || fbheight != mips.mip[0].height)
			{
				BZ_Free(facedata);
				break;	//zomgwtfbbq
			}

			Image_FlipImage(facedata, (qbyte*)mips.mip[0].data + i*(mips.mip[0].datasize/6), &fbwidth, &fbheight, bb, sides[i].horizontalflip, sides[i].verticalflip^(stride<0), false);
			BZ_Free(facedata);
		}
		if (i == 6)
		{
			if (mips.encoding == PTI_RGB32F || mips.encoding == PTI_RGBA16F || mips.encoding == PTI_RGBA32F)
			{	//convert to a more memory-efficient hdr format.
				qboolean pixelformats[PTI_MAX] = {0};
				pixelformats[PTI_E5BGR9] = true;
				Image_ChangeFormat(&mips, pixelformats, mips.encoding, fname);
			}
			else if ((mips.encoding == PTI_RGBX8 || mips.encoding == PTI_BGRX8) && !strcmp(ext, ".dds"))
			{	//gimp-dds plugin is buggy. convert to a less problematic format, so that I don't get invalid complaints.
				qboolean pixelformats[PTI_MAX] = {0};
				pixelformats[PTI_BGR8] = true;
				Image_ChangeFormat(&mips, pixelformats, mips.encoding, fname);
			}

			Q_snprintfz(filename, sizeof(filename), "textures/%s", fname);
			COM_DefaultExtension (filename, ext, sizeof(filename));

			ext = COM_GetFileExtension(filename, NULL);
			if (fail)
				Con_Printf("Unable to generate cubemap data\n");
#ifdef IMAGEFMT_DDS
			else if (!strcmp(ext, ".dds"))
			{
				if (Image_WriteDDSFile(filename, FS_GAMEONLY, &mips))
				{
					FS_NativePath(filename, FS_GAMEONLY, sysname, sizeof(sysname));
					Con_Printf ("Wrote %s\n", sysname);
				}
			}
#endif
#ifdef IMAGEFMT_KTX
			else if (!strcmp(ext, ".ktx"))
			{
				if (Image_WriteKTXFile(filename, FS_GAMEONLY, &mips))
				{
					FS_NativePath(filename, FS_GAMEONLY, sysname, sizeof(sysname));
					Con_Printf ("Wrote %s\n", sysname);
				}
			}
#endif
			else
				Con_Printf ("%s: Unknown format %s\n", Cmd_Argv(0), filename);
		}
		if (mips.mip[0].needfree)
			BZ_Free(mips.mip[0].data);
	}
	else
	{
		for (i = firstside; i < firstside+6; i++)
		{
			VectorCopy(sides[i].angle, cl.playerview->simangles);
			VectorCopy(cl.playerview->simangles, cl.playerview->viewangles);

			buffer = SCR_ScreenShot_Capture(fbwidth, fbheight, &stride, &fmt, true, false);
			if (buffer)
			{
				Image_BlockSizeForEncoding(fmt, &bb, &bw, &bh, &bd);
				if (sides[i].horizontalflip)
				{
					int y, x, p;
					char *bad = buffer;
					char *in = buffer, *out;
					buffer = out = BZ_Malloc(fbwidth*fbheight*bb);
					for (y = 0; y < fbheight; y++, in += abs(stride), out += fbwidth*bb)
					{
						for (x = 0; x < fbwidth*bb; x+=bb)
						{
							for (p = 0; p < bb; p++)
								out[x+p] = in[(fbwidth-1)*bb-x+p];
						}
					}
					BZ_Free(bad);
					if (stride < 0)
						stride = -fbwidth*bb;
					else
						stride = fbwidth*bb;
				}
				if (sides[i].verticalflip)
					stride = -stride;

				Q_snprintfz(filename, sizeof(filename), "textures/%s%s", fname, sides[i].postfix);
				COM_DefaultExtension (filename, scr_sshot_type.string, sizeof(filename));

				if (SCR_ScreenShot(filename, FS_GAMEONLY, &buffer, 1, stride, fbwidth, fbheight, fmt, false))
				{
					FS_NativePath(filename, FS_GAMEONLY, sysname, sizeof(sysname));
					Con_Printf ("Wrote %s\n", sysname);
				}
				else
				{
					FS_NativePath(filename, FS_GAMEONLY, sysname, sizeof(sysname));
					Con_Printf ("Failed to write %s\n", sysname);
				}
				BZ_Free(buffer);
			}
		}
	}

	Cvar_Set(&r_drawviewmodel, olddrawviewmodel);

	VectorCopy(oldangles, cl.playerview->viewangles);
}

#ifdef IMAGEFMT_PCX
// from gl_draw.c
qbyte		*draw_chars;				// 8*8 graphic characters

static void SCR_DrawCharToSnap (int num, qbyte *dest, int width)
{
	int		row, col;
	qbyte	*source;
	int		drawline;
	int		x;

	if (!draw_chars)
	{
		size_t lumpsize;
		qbyte lumptype;
		draw_chars = W_GetLumpName("conchars", &lumpsize, &lumptype);
//		if (lumptype != )
//			draw_chars = NULL;
		if (!draw_chars || lumpsize != 128*128)
			return;
	}

	row = num>>4;
	col = num&15;
	source = draw_chars + (row<<10) + (col<<3);

	drawline = 8;

	while (drawline--)
	{
		for (x=0 ; x<8 ; x++)
			if (source[x] && source[x]!=255)
				dest[x] = source[x];
		source += 128;
		dest -= width;
	}

}

static void SCR_DrawStringToSnap (const char *s, qbyte *buf, int x, int y, int width)
{
	qbyte *dest;
	const unsigned char *p;

	dest = buf + ((y * width) + x);

	p = (const unsigned char *)s;
	while (*p) {
		SCR_DrawCharToSnap(*p++, dest, width);
		dest += 8;
	}
}


/*
==================
SCR_RSShot
==================
*/
int MipColor(int r, int g, int b);
qboolean SCR_RSShot (void)
{
	int stride;
	int truewidth;
	int trueheight;

	int     x, y;
	unsigned char		*src, *dest;
	unsigned char		*newbuf;
	int w, h;
	int dx, dy, dex, dey, nx;
	int r, b, g;
	int count;
	float fracw, frach;
	char st[80];
	time_t now;
	enum uploadfmt fmt;
	int src_size;
	int src_red;
	int src_green;
	int src_blue;

	if (!scr_allowsnap.ival)
		return false;

	if (CL_IsUploading())
		return false; // already one pending

	if (cls.state < ca_onserver)
		return false; // gotta be connected

	if (!VID_GetRGBInfo || !scr_initialized)
	{
		return false;
	}

	Con_Printf("Remote screen shot requested.\n");

//
// save the pcx file
//
	newbuf = VID_GetRGBInfo(&truewidth, &trueheight, &stride, &fmt);

	if (fmt == TF_INVALID)
		return false;
	switch(fmt)
	{
	case TF_RGB24:
	case TF_RGBA32:
		src_size = (fmt==TF_RGB24)?3:4;
		src_red = 0;
		src_green = 1;
		src_blue = 2;
		break;
	case TF_BGR24:
	case TF_BGRA32:
		src_size =  (fmt==TF_BGR24)?3:4;
		src_red = 2;
		src_green = 1;
		src_blue = 0;
		break;
	default:
		BZ_Free(newbuf);
		return false;
	}
	//FIXME: bgra

	w = RSSHOT_WIDTH;
	h = RSSHOT_HEIGHT;

	fracw = (float)truewidth / (float)w;
	frach = (float)trueheight / (float)h;

	//scale down first.
	for (y = 0; y < h; y++) {
		dest = newbuf + (w*src_size * y);

		for (x = 0; x < w; x++) {
			r = g = b = 0;

			dx = x * fracw;
			dex = (x + 1) * fracw;
			if (dex == dx) dex++; // at least one
			dy = y * frach;
			dey = (y + 1) * frach;
			if (dey == dy) dey++; // at least one

			count = 0;
			for (/* */; dy < dey; dy++) {
				src = newbuf + (truewidth * src_size * dy) + dx * src_size;
				for (nx = dx; nx < dex; nx++) {
					r += src[src_red];
					g += src[src_green];
					b += src[src_blue];
					src += src_size;
					count++;
				}
			}
			r /= count;
			g /= count;
			b /= count;
			*dest++ = r;
			*dest++ = g;
			*dest++ = b;
		}
	}

	// convert to eight bit
	for (y = 0; y < h; y++) {
		src = newbuf + (w * src_size * y);
		dest = newbuf + (w * y);

		for (x = 0; x < w; x++) {
			*dest++ = MipColor(src[0], src[1], src[2]);
			src += src_size;
		}
	}

	time(&now);
	strcpy(st, ctime(&now));
	st[strlen(st) - 1] = 0;
	SCR_DrawStringToSnap (st, newbuf, w - strlen(st)*8, h - 1, w);

	Q_strncpyz(st, cls.servername, sizeof(st));
	SCR_DrawStringToSnap (st, newbuf, w - strlen(st)*8, h - 11, w);

	Q_strncpyz(st, name.string, sizeof(st));
	SCR_DrawStringToSnap (st, newbuf, w - strlen(st)*8, h - 21, w);

	WritePCXfile ("snap.pcx", FS_GAMEONLY, newbuf, w, h, w, host_basepal, true);

	BZ_Free(newbuf);

	return true;
}
#endif

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


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

/*
===============
SCR_BringDownConsole

Brings the console down and fades the palettes back to normal
================
*/
void SCR_BringDownConsole (void)
{
	int pnum;

	for (pnum = 0; pnum < cl.splitclients; pnum++)
	{
		scr_centerprint[pnum].charcount = 0;
		cl.playerview[pnum].cshifts[CSHIFT_CONTENTS].percent = 0;              // no area contents palette on next frame
	}
}

void SCR_TileClear (int skipbottom)
{
	if (r_refdef.vrect.width < r_refdef.grect.width)
	{
		float w;
		// left
		R2D_TileClear (r_refdef.grect.x, r_refdef.grect.y, r_refdef.vrect.x-r_refdef.grect.x, r_refdef.grect.height - skipbottom);
		// right
		w = (r_refdef.grect.x+r_refdef.grect.width) - (r_refdef.vrect.x+r_refdef.vrect.width);
		R2D_TileClear ((r_refdef.grect.x+r_refdef.grect.width) - (w), r_refdef.grect.y, w, r_refdef.grect.height - skipbottom);
	}
	if (r_refdef.vrect.height < r_refdef.grect.height)
	{
		// top
		R2D_TileClear (r_refdef.vrect.x, r_refdef.grect.y,
			r_refdef.vrect.width,
			r_refdef.vrect.y - r_refdef.grect.y);
		// bottom
		R2D_TileClear (r_refdef.vrect.x,
			r_refdef.vrect.y + r_refdef.vrect.height,
			r_refdef.vrect.width,
			(r_refdef.grect.y+r_refdef.grect.height) - skipbottom - (r_refdef.vrect.y + r_refdef.vrect.height));
	}
}



// The 2d refresh stuff.
void SCR_DrawTwoDimensional(qboolean nohud)
{
	qboolean consolefocused = !!Key_Dest_Has(kdm_console|kdm_cwindows);
	RSpeedMark();

	r_refdef.playerview = &cl.playerview[0];

	R2D_ImageColours(1, 1, 1, 1);

	//
	// draw any areas not covered by the refresh
	//
	if (r_netgraph.value)
		R_NetGraph ();

	if (scr_drawloading || loading_stage)
	{
		SCR_DrawLoading(false);

		SCR_ShowPics_Draw();

		if (!scr_disabled_for_loading)
			consolefocused = false;
	}
	else if (nohud)
	{
		SCR_DrawDisk();
		SCR_DrawFPS ();
		SCR_CheckDrawCenterString ();
	}
	else if (cl.intermissionmode == IM_NQFINALE || cl.intermissionmode == IM_NQCUTSCENE || cl.intermissionmode == IM_H2FINALE)
	{
		SCR_CheckDrawCenterString ();
	}
	else if (cl.intermissionmode != IM_NONE)
	{
		Sbar_IntermissionOverlay (r_refdef.playerview);
	}
	else
	{
		SCR_DrawNet ();
		SCR_DrawDisk();
		SCR_DrawFPS ();
		SCR_DrawClock();
		SCR_DrawGameClock();
		SCR_DrawTurtle ();
		SCR_DrawPause ();
		SCR_ShowPics_Draw();
		SCR_CheckDrawCenterString ();
	}

//#ifdef TEXTEDITOR
//	if (editoractive)
//		Editor_Draw();
//#endif

	//if the console is not focused, show it scrolling back up behind the menu
	if (!consolefocused)
		SCR_DrawConsole (false);

	Menu_Draw();

	//but if the console IS focused, then always show it infront.
	if (consolefocused)
		SCR_DrawConsole (false);

	Prompts_Draw();

	SCR_DrawCursor();
	SCR_DrawSimMTouchCursor();

	if (R2D_Flush)
		R2D_Flush();

	RSpeedEnd(RSPEED_2D);
}






/*
==================
SCR_Init
==================
*/
void SCR_Init (void)
{
//
// register our commands
//
	Cmd_AddCommandD ("screenshot_mega",SCR_ScreenShot_Mega_f, "screenshot_mega <name> [width] [height]\nTakes a screenshot with explicit sizes that are not tied to the size of your monitor, allowing for true monstrosities.");
	Cmd_AddCommandD ("screenshot_stereo",SCR_ScreenShot_Mega_f, "screenshot_stereo <name> [width] [height]\nTakes a simple stereo screenshot.");
	Cmd_AddCommandD ("screenshot_360",SCR_ScreenShot_Mega_f, "screenshot_360 <name> [width] [height]\nTakes an equirectangular screenshot.");
	Cmd_AddCommandD ("screenshot_vr",SCR_ScreenShot_VR_f, "screenshot_vr <name> [width]\nTakes a spherical stereoscopic panorama image, for viewing with VR displays.");
	Cmd_AddCommandD ("screenshot_cubemap",SCR_ScreenShot_Cubemap_f, "screenshot_cubemap <name> [size]\nTakes 6 screenshots forming a single cubemap.");
	Cmd_AddCommandD ("envmap",SCR_ScreenShot_Cubemap_f, "Legacy name for the screenshot_cubemap command.");	//legacy 
	Cmd_AddCommand ("screenshot",SCR_ScreenShot_f);

	scr_net = R2D_SafePicFromWad ("net");
	scr_turtle = R2D_SafePicFromWad ("turtle");

	scr_initialized = true;
}

void SCR_DeInit (void)
{
	int i;
	if (scr_curcursor)
	{
		rf->VID_SetCursor(scr_curcursor);
		scr_curcursor = NULL;
	}
	for (i = 0; i < countof(key_customcursor); i++)
	{
		if (key_customcursor[i].handle)
		{
			rf->VID_DestroyCursor(key_customcursor[i].handle);
			key_customcursor[i].handle = NULL;
		}
		key_customcursor[i].dirty = true;
	}
	for (i = 0; i < countof(scr_centerprint); i++)
	{
		Z_Free(scr_centerprint[i].string);
		memset(&scr_centerprint[i], 0, sizeof(scr_centerprint[i]));
	}
	if (scr_initialized)
	{
		scr_initialized = false;

		Cmd_RemoveCommand ("screenshot");
		Cmd_RemoveCommand ("screenshot_mega");
		Cmd_RemoveCommand ("screenshot_stereo");
		Cmd_RemoveCommand ("screenshot_vr");
		Cmd_RemoveCommand ("screenshot_360");
		Cmd_RemoveCommand ("screenshot_cubemap");
		Cmd_RemoveCommand ("envmap");
	}
}