The Quake sources as originally release under the GPL license on December 21, 1999

WinQuake/screen.c

@@ -0,0 +1,991 @@
+/*
+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.
+
+*/
+// screen.c -- master for refresh, status bar, console, chat, notify, etc
+
+#include "quakedef.h"
+#include "r_local.h"
+
+// only the refresh window will be updated unless these variables are flagged 
+int			scr_copytop;
+int			scr_copyeverything;
+
+float		scr_con_current;
+float		scr_conlines;		// lines of console to display
+
+float		oldscreensize, oldfov;
+cvar_t		scr_viewsize = {"viewsize","100", true};
+cvar_t		scr_fov = {"fov","90"};	// 10 - 170
+cvar_t		scr_conspeed = {"scr_conspeed","300"};
+cvar_t		scr_centertime = {"scr_centertime","2"};
+cvar_t		scr_showram = {"showram","1"};
+cvar_t		scr_showturtle = {"showturtle","0"};
+cvar_t		scr_showpause = {"showpause","1"};
+cvar_t		scr_printspeed = {"scr_printspeed","8"};
+
+qboolean	scr_initialized;		// ready to draw
+
+qpic_t		*scr_ram;
+qpic_t		*scr_net;
+qpic_t		*scr_turtle;
+
+int			scr_fullupdate;
+
+int			clearconsole;
+int			clearnotify;
+
+viddef_t	vid;				// global video state
+
+vrect_t		*pconupdate;
+vrect_t		scr_vrect;
+
+qboolean	scr_disabled_for_loading;
+qboolean	scr_drawloading;
+float		scr_disabled_time;
+qboolean	scr_skipupdate;
+
+qboolean	block_drawing;
+
+void SCR_ScreenShot_f (void);
+
+/*
+===============================================================================
+
+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 (char *str)
+{
+	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;
+	while (*str)
+	{
+		if (*str == '\n')
+			scr_center_lines++;
+		str++;
+	}
+}
+
+void SCR_EraseCenterString (void)
+{
+	int		y;
+
+	if (scr_erase_center++ > vid.numpages)
+	{
+		scr_erase_lines = 0;
+		return;
+	}
+
+	if (scr_center_lines <= 4)
+		y = vid.height*0.35;
+	else
+		y = 48;
+
+	scr_copytop = 1;
+	Draw_TileClear (0, y,vid.width, 8*scr_erase_lines);
+}
+
+void SCR_DrawCenterString (void)
+{
+	char	*start;
+	int		l;
+	int		j;
+	int		x, y;
+	int		remaining;
+
+// 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 = vid.height*0.35;
+	else
+		y = 48;
+
+	do	
+	{
+	// scan the width of the line
+		for (l=0 ; l<40 ; l++)
+			if (start[l] == '\n' || !start[l])
+				break;
+		x = (vid.width - l*8)/2;
+		for (j=0 ; j<l ; j++, x+=8)
+		{
+			Draw_Character (x, y, start[j]);	
+			if (!remaining--)
+				return;
+		}
+			
+		y += 8;
+
+		while (*start && *start != '\n')
+			start++;
+
+		if (!*start)
+			break;
+		start++;		// skip the \n
+	} while (1);
+}
+
+void SCR_CheckDrawCenterString (void)
+{
+	scr_copytop = 1;
+	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;
+
+	SCR_DrawCenterString ();
+}
+
+//=============================================================================
+
+/*
+====================
+CalcFov
+====================
+*/
+float CalcFov (float fov_x, float width, float height)
+{
+        float   a;
+        float   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)
+{
+	vrect_t		vrect;
+	float		size;
+
+	scr_fullupdate = 0;		// force a background redraw
+	vid.recalc_refdef = 0;
+
+// force the status bar to redraw
+	Sbar_Changed ();
+
+//========================================
+	
+// bound viewsize
+	if (scr_viewsize.value < 30)
+		Cvar_Set ("viewsize","30");
+	if (scr_viewsize.value > 120)
+		Cvar_Set ("viewsize","120");
+
+// bound field of view
+	if (scr_fov.value < 10)
+		Cvar_Set ("fov","10");
+	if (scr_fov.value > 170)
+		Cvar_Set ("fov","170");
+
+	r_refdef.fov_x = scr_fov.value;
+	r_refdef.fov_y = CalcFov (r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height);
+
+// intermission is always full screen	
+	if (cl.intermission)
+		size = 120;
+	else
+		size = scr_viewsize.value;
+
+	if (size >= 120)
+		sb_lines = 0;		// no status bar at all
+	else if (size >= 110)
+		sb_lines = 24;		// no inventory
+	else
+		sb_lines = 24+16+8;
+
+// these calculations mirror those in R_Init() for r_refdef, but take no
+// account of water warping
+	vrect.x = 0;
+	vrect.y = 0;
+	vrect.width = vid.width;
+	vrect.height = vid.height;
+
+	R_SetVrect (&vrect, &scr_vrect, sb_lines);
+
+// guard against going from one mode to another that's less than half the
+// vertical resolution
+	if (scr_con_current > vid.height)
+		scr_con_current = vid.height;
+
+// notify the refresh of the change
+	R_ViewChanged (&vrect, sb_lines, vid.aspect);
+}
+
+
+/*
+=================
+SCR_SizeUp_f
+
+Keybinding command
+=================
+*/
+void SCR_SizeUp_f (void)
+{
+	Cvar_SetValue ("viewsize",scr_viewsize.value+10);
+	vid.recalc_refdef = 1;
+}
+
+
+/*
+=================
+SCR_SizeDown_f
+
+Keybinding command
+=================
+*/
+void SCR_SizeDown_f (void)
+{
+	Cvar_SetValue ("viewsize",scr_viewsize.value-10);
+	vid.recalc_refdef = 1;
+}
+
+//============================================================================
+
+/*
+==================
+SCR_Init
+==================
+*/
+void SCR_Init (void)
+{
+	Cvar_RegisterVariable (&scr_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);
+
+//
+// register our commands
+//
+	Cmd_AddCommand ("screenshot",SCR_ScreenShot_f);
+	Cmd_AddCommand ("sizeup",SCR_SizeUp_f);
+	Cmd_AddCommand ("sizedown",SCR_SizeDown_f);
+
+	scr_ram = Draw_PicFromWad ("ram");
+	scr_net = Draw_PicFromWad ("net");
+	scr_turtle = Draw_PicFromWad ("turtle");
+
+	scr_initialized = true;
+}
+
+
+
+/*
+==============
+SCR_DrawRam
+==============
+*/
+void SCR_DrawRam (void)
+{
+	if (!scr_showram.value)
+		return;
+
+	if (!r_cache_thrash)
+		return;
+
+	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;
+
+	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;
+
+	Draw_Pic (scr_vrect.x+64, scr_vrect.y, scr_net);
+}
+
+/*
+==============
+DrawPause
+==============
+*/
+void SCR_DrawPause (void)
+{
+	qpic_t	*pic;
+
+	if (!scr_showpause.value)		// turn off for screenshots
+		return;
+
+	if (!cl.paused)
+		return;
+
+	pic = Draw_CachePic ("gfx/pause.lmp");
+	Draw_Pic ( (vid.width - pic->width)/2, 
+		(vid.height - 48 - pic->height)/2, pic);
+}
+
+
+
+/*
+==============
+SCR_DrawLoading
+==============
+*/
+void SCR_DrawLoading (void)
+{
+	qpic_t	*pic;
+
+	if (!scr_drawloading)
+		return;
+		
+	pic = Draw_CachePic ("gfx/loading.lmp");
+	Draw_Pic ( (vid.width - pic->width)/2, 
+		(vid.height - 48 - pic->height)/2, pic);
+}
+
+
+
+//=============================================================================
+
+
+/*
+==================
+SCR_SetUpToDrawConsole
+==================
+*/
+void SCR_SetUpToDrawConsole (void)
+{
+	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 = vid.height;		// full screen
+		scr_con_current = scr_conlines;
+	}
+	else if (key_dest == key_console)
+		scr_conlines = vid.height/2;	// half screen
+	else
+		scr_conlines = 0;				// none visible
+	
+	if (scr_conlines < scr_con_current)
+	{
+		scr_con_current -= scr_conspeed.value*host_frametime;
+		if (scr_conlines > scr_con_current)
+			scr_con_current = scr_conlines;
+
+	}
+	else if (scr_conlines > scr_con_current)
+	{
+		scr_con_current += scr_conspeed.value*host_frametime;
+		if (scr_conlines < scr_con_current)
+			scr_con_current = scr_conlines;
+	}
+
+	if (clearconsole++ < vid.numpages)
+	{
+		scr_copytop = 1;
+		Draw_TileClear (0,(int)scr_con_current,vid.width, vid.height - (int)scr_con_current);
+		Sbar_Changed ();
+	}
+	else if (clearnotify++ < vid.numpages)
+	{
+		scr_copytop = 1;
+		Draw_TileClear (0,0,vid.width, con_notifylines);
+	}
+	else
+		con_notifylines = 0;
+}
+	
+/*
+==================
+SCR_DrawConsole
+==================
+*/
+void SCR_DrawConsole (void)
+{
+	if (scr_con_current)
+	{
+		scr_copyeverything = 1;
+		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 
+ 
+============================================================================== 
+*/ 
+ 
+
+typedef struct
+{
+    char	manufacturer;
+    char	version;
+    char	encoding;
+    char	bits_per_pixel;
+    unsigned short	xmin,ymin,xmax,ymax;
+    unsigned short	hres,vres;
+    unsigned char	palette[48];
+    char	reserved;
+    char	color_planes;
+    unsigned short	bytes_per_line;
+    unsigned short	palette_type;
+    char	filler[58];
+    unsigned char	data;			// unbounded
+} pcx_t;
+
+/* 
+============== 
+WritePCXfile 
+============== 
+*/ 
+void WritePCXfile (char *filename, byte *data, int width, int height,
+	int rowbytes, byte *palette) 
+{
+	int		i, j, length;
+	pcx_t	*pcx;
+	byte		*pack;
+	  
+	pcx = Hunk_TempAlloc (width*height*2+1000);
+	if (pcx == NULL)
+	{
+		Con_Printf("SCR_ScreenShot_f: not enough memory\n");
+		return;
+	} 
+ 
+	pcx->manufacturer = 0x0a;	// PCX id
+	pcx->version = 5;			// 256 color
+ 	pcx->encoding = 1;		// uncompressed
+	pcx->bits_per_pixel = 8;		// 256 color
+	pcx->xmin = 0;
+	pcx->ymin = 0;
+	pcx->xmax = LittleShort((short)(width-1));
+	pcx->ymax = LittleShort((short)(height-1));
+	pcx->hres = LittleShort((short)width);
+	pcx->vres = LittleShort((short)height);
+	Q_memset (pcx->palette,0,sizeof(pcx->palette));
+	pcx->color_planes = 1;		// chunky image
+	pcx->bytes_per_line = LittleShort((short)width);
+	pcx->palette_type = LittleShort(2);		// not a grey scale
+	Q_memset (pcx->filler,0,sizeof(pcx->filler));
+
+// pack the image
+	pack = &pcx->data;
+	
+	for (i=0 ; i<height ; i++)
+	{
+		for (j=0 ; j<width ; j++)
+		{
+			if ( (*data & 0xc0) != 0xc0)
+				*pack++ = *data++;
+			else
+			{
+				*pack++ = 0xc1;
+				*pack++ = *data++;
+			}
+		}
+
+		data += rowbytes - width;
+	}
+			
+// write the palette
+	*pack++ = 0x0c;	// palette ID byte
+	for (i=0 ; i<768 ; i++)
+		*pack++ = *palette++;
+		
+// write output file 
+	length = pack - (byte *)pcx;
+	COM_WriteFile (filename, pcx, length);
+} 
+ 
+
+
+/* 
+================== 
+SCR_ScreenShot_f
+================== 
+*/  
+void SCR_ScreenShot_f (void) 
+{ 
+	int     i; 
+	char		pcxname[80]; 
+	char		checkname[MAX_OSPATH];
+
+// 
+// find a file name to save it to 
+// 
+	strcpy(pcxname,"quake00.pcx");
+		
+	for (i=0 ; i<=99 ; i++) 
+	{ 
+		pcxname[5] = i/10 + '0'; 
+		pcxname[6] = i%10 + '0'; 
+		sprintf (checkname, "%s/%s", com_gamedir, pcxname);
+		if (Sys_FileTime(checkname) == -1)
+			break;	// file doesn't exist
+	} 
+	if (i==100) 
+	{
+		Con_Printf ("SCR_ScreenShot_f: Couldn't create a PCX file\n"); 
+		return;
+ 	}
+
+// 
+// save the pcx file 
+// 
+	D_EnableBackBufferAccess ();	// enable direct drawing of console to back
+									//  buffer
+
+	WritePCXfile (pcxname, vid.buffer, vid.width, vid.height, vid.rowbytes,
+				  host_basepal);
+
+	D_DisableBackBufferAccess ();	// for adapters that can't stay mapped in
+									//  for linear writes all the time
+
+	Con_Printf ("Wrote %s\n", pcxname);
+} 
+
+
+//=============================================================================
+
+
+/*
+===============
+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;
+	scr_fullupdate = 0;
+	Sbar_Changed ();
+	SCR_UpdateScreen ();
+	scr_drawloading = false;
+
+	scr_disabled_for_loading = true;
+	scr_disabled_time = realtime;
+	scr_fullupdate = 0;
+}
+
+/*
+===============
+SCR_EndLoadingPlaque
+
+================
+*/
+void SCR_EndLoadingPlaque (void)
+{
+	scr_disabled_for_loading = false;
+	scr_fullupdate = 0;
+	Con_ClearNotify ();
+}
+
+//=============================================================================
+
+char	*scr_notifystring;
+qboolean	scr_drawdialog;
+
+void SCR_DrawNotifyString (void)
+{
+	char	*start;
+	int		l;
+	int		j;
+	int		x, y;
+
+	start = scr_notifystring;
+
+	y = vid.height*0.35;
+
+	do	
+	{
+	// scan the width of the line
+		for (l=0 ; l<40 ; l++)
+			if (start[l] == '\n' || !start[l])
+				break;
+		x = (vid.width - l*8)/2;
+		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 (char *text)
+{
+	if (cls.state == ca_dedicated)
+		return true;
+
+	scr_notifystring = text;
+ 
+// draw a fresh screen
+	scr_fullupdate = 0;
+	scr_drawdialog = true;
+	SCR_UpdateScreen ();
+	scr_drawdialog = false;
+	
+	S_ClearBuffer ();		// so dma doesn't loop current sound
+
+	do
+	{
+		key_count = -1;		// wait for a key down and up
+		Sys_SendKeyEvents ();
+	} while (key_lastpress != 'y' && key_lastpress != 'n' && key_lastpress != K_ESCAPE);
+
+	scr_fullupdate = 0;
+	SCR_UpdateScreen ();
+
+	return key_lastpress == 'y';
+}
+
+
+//=============================================================================
+
+/*
+===============
+SCR_BringDownConsole
+
+Brings the console down and fades the palettes back to normal
+================
+*/
+void SCR_BringDownConsole (void)
+{
+	int		i;
+	
+	scr_centertime_off = 0;
+	
+	for (i=0 ; i<20 && scr_conlines != scr_con_current ; i++)
+		SCR_UpdateScreen ();
+
+	cl.cshifts[0].percent = 0;		// no area contents palette on next frame
+	VID_SetPalette (host_basepal);
+}
+
+
+/*
+==================
+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!
+==================
+*/
+void SCR_UpdateScreen (void)
+{
+	static float	oldscr_viewsize;
+	static float	oldlcd_x;
+	vrect_t		vrect;
+	
+	if (scr_skipupdate || block_drawing)
+		return;
+
+	scr_copytop = 0;
+	scr_copyeverything = 0;
+
+	if (scr_disabled_for_loading)
+	{
+		if (realtime - scr_disabled_time > 60)
+		{
+			scr_disabled_for_loading = false;
+			Con_Printf ("load failed.\n");
+		}
+		else
+			return;
+	}
+
+	if (cls.state == ca_dedicated)
+		return;				// stdout only
+
+	if (!scr_initialized || !con_initialized)
+		return;				// not initialized yet
+
+	if (scr_viewsize.value != oldscr_viewsize)
+	{
+		oldscr_viewsize = scr_viewsize.value;
+		vid.recalc_refdef = 1;
+	}
+	
+//
+// check for vid changes
+//
+	if (oldfov != scr_fov.value)
+	{
+		oldfov = scr_fov.value;
+		vid.recalc_refdef = true;
+	}
+	
+	if (oldlcd_x != lcd_x.value)
+	{
+		oldlcd_x = lcd_x.value;
+		vid.recalc_refdef = true;
+	}
+	
+	if (oldscreensize != scr_viewsize.value)
+	{
+		oldscreensize = scr_viewsize.value;
+		vid.recalc_refdef = true;
+	}
+	
+	if (vid.recalc_refdef)
+	{
+	// something changed, so reorder the screen
+		SCR_CalcRefdef ();
+	}
+
+//
+// do 3D refresh drawing, and then update the screen
+//
+	D_EnableBackBufferAccess ();	// of all overlay stuff if drawing directly
+
+	if (scr_fullupdate++ < vid.numpages)
+	{	// clear the entire screen
+		scr_copyeverything = 1;
+		Draw_TileClear (0,0,vid.width,vid.height);
+		Sbar_Changed ();
+	}
+
+	pconupdate = NULL;
+
+
+	SCR_SetUpToDrawConsole ();
+	SCR_EraseCenterString ();
+
+	D_DisableBackBufferAccess ();	// for adapters that can't stay mapped in
+									//  for linear writes all the time
+
+	VID_LockBuffer ();
+
+	V_RenderView ();
+
+	VID_UnlockBuffer ();
+
+	D_EnableBackBufferAccess ();	// of all overlay stuff if drawing directly
+
+	if (scr_drawdialog)
+	{
+		Sbar_Draw ();
+		Draw_FadeScreen ();
+		SCR_DrawNotifyString ();
+		scr_copyeverything = true;
+	}
+	else if (scr_drawloading)
+	{
+		SCR_DrawLoading ();
+		Sbar_Draw ();
+	}
+	else if (cl.intermission == 1 && key_dest == key_game)
+	{
+		Sbar_IntermissionOverlay ();
+	}
+	else if (cl.intermission == 2 && key_dest == key_game)
+	{
+		Sbar_FinaleOverlay ();
+		SCR_CheckDrawCenterString ();
+	}
+	else if (cl.intermission == 3 && key_dest == key_game)
+	{
+		SCR_CheckDrawCenterString ();
+	}
+	else
+	{
+		SCR_DrawRam ();
+		SCR_DrawNet ();
+		SCR_DrawTurtle ();
+		SCR_DrawPause ();
+		SCR_CheckDrawCenterString ();
+		Sbar_Draw ();
+		SCR_DrawConsole ();
+		M_Draw ();
+	}
+
+	D_DisableBackBufferAccess ();	// for adapters that can't stay mapped in
+									//  for linear writes all the time
+	if (pconupdate)
+	{
+		D_UpdateRects (pconupdate);
+	}
+
+	V_UpdatePalette ();
+
+//
+// update one of three areas
+//
+
+	if (scr_copyeverything)
+	{
+		vrect.x = 0;
+		vrect.y = 0;
+		vrect.width = vid.width;
+		vrect.height = vid.height;
+		vrect.pnext = 0;
+	
+		VID_Update (&vrect);
+	}
+	else if (scr_copytop)
+	{
+		vrect.x = 0;
+		vrect.y = 0;
+		vrect.width = vid.width;
+		vrect.height = vid.height - sb_lines;
+		vrect.pnext = 0;
+	
+		VID_Update (&vrect);
+	}	
+	else
+	{
+		vrect.x = scr_vrect.x;
+		vrect.y = scr_vrect.y;
+		vrect.width = scr_vrect.width;
+		vrect.height = scr_vrect.height;
+		vrect.pnext = 0;
+	
+		VID_Update (&vrect);
+	}
+}
+
+
+/*
+==================
+SCR_UpdateWholeScreen
+==================
+*/
+void SCR_UpdateWholeScreen (void)
+{
+	scr_fullupdate = 0;
+	SCR_UpdateScreen ();
+}