cl_scrn.c

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/*
Copyright (C) 1997-2001 Id Software, Inc.
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 
See the GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
*/
// cl_scrn.c -- master for refresh, status bar, console, chat, notify, etc
 
/*
 
  full screen console
  put up loading plaque
  blanked background with loading plaque
  blanked background with menu
  cinematics
  full screen image for quit and victory
 
  end of unit intermissions
 
  */
 
#include "client.h"
 
float       scr_con_current;    // aproaches scr_conlines at scr_conspeed
float       scr_conlines;       // 0.0 to 1.0 lines of console to display
 
qboolean    scr_initialized;        // ready to draw
 
int         scr_draw_loading;
 
vrect_t     scr_vrect;      // position of render window on screen
 
 
cvar_t      *scr_viewsize;
cvar_t      *scr_conspeed;
cvar_t      *scr_centertime;
cvar_t      *scr_showturtle;
cvar_t      *scr_showpause;
cvar_t      *scr_printspeed;
 
cvar_t      *scr_netgraph;
cvar_t      *scr_timegraph;
cvar_t      *scr_debuggraph;
cvar_t      *scr_graphheight;
cvar_t      *scr_graphscale;
cvar_t      *scr_graphshift;
cvar_t      *scr_drawall;
 
typedef struct
{
    int     x1, y1, x2, y2;
} dirty_t;
 
dirty_t     scr_dirty, scr_old_dirty[2];
 
char        crosshair_pic[MAX_QPATH];
int         crosshair_width, crosshair_height;
 
extern cvar_t *cl_drawfps; // FPS hack
 
void SCR_TimeRefresh_f (void);
void SCR_Loading_f (void);
 
#ifdef QMAX
char        crosshair_pic[MAX_QPATH];
int         crosshair_width, crosshair_height;
#endif
 
 
/*
===============================================================================
 
BAR GRAPHS
 
===============================================================================
*/
 
/*
==============
CL_AddNetgraph
 
A new packet was just parsed
==============
*/
void CL_AddNetgraph (void)
{
    int     i;
    int     in;
    int     ping;
 
    // if using the debuggraph for something else, don't
    // add the net lines
    if (scr_debuggraph->value || scr_timegraph->value)
        return;
 
    for (i=0 ; i<cls.netchan.dropped ; i++)
        SCR_DebugGraph (30, 0x40);
 
    for (i=0 ; i<cl.surpressCount ; i++)
        SCR_DebugGraph (30, 0xdf);
 
    // see what the latency was on this packet
    in = cls.netchan.incoming_acknowledged & (CMD_BACKUP-1);
    ping = cls.realtime - cl.cmd_time[in];
    ping /= 30;
    if (ping > 30)
        ping = 30;
    SCR_DebugGraph (ping, 0xd0);
}
 
 
typedef struct
{
    float   value;
    int     color;
} graphsamp_t;
 
static  int         current;
static  graphsamp_t values[1024];
 
/*
==============
SCR_DebugGraph
==============
*/
void SCR_DebugGraph (float value, int color)
{
    values[current&1023].value = value;
    values[current&1023].color = color;
    current++;
}
 
/*
==============
SCR_DrawDebugGraph
==============
*/
void SCR_DrawDebugGraph (void)
{
    int     a, x, y, w, i, h;
    float   v;
    int     color;
 
    //
    // draw the graph
    //
    w = scr_vrect.width;
 
    x = scr_vrect.x;
    y = scr_vrect.y+scr_vrect.height;
    re.DrawFill (x, y-scr_graphheight->value,
        w, scr_graphheight->value, 8);
 
    for (a=0 ; a<w ; a++)
    {
        i = (current-1-a+1024) & 1023;
        v = values[i].value;
        color = values[i].color;
        v = v*scr_graphscale->value + scr_graphshift->value;
        
        if (v < 0)
            v += scr_graphheight->value * (1+(int)(-v/scr_graphheight->value));
        h = (int)v % (int)scr_graphheight->value;
        re.DrawFill (x+w-1-a, y - h, 1, h, color);
    }
}
 
/*
===============================================================================
 
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_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)
{
    char    *s;
    char    line[64];
    int     i, j, l;
 
    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;
    s = str;
    while (*s)
    {
        if (*s == '\n')
            scr_center_lines++;
        s++;
    }
 
    // echo it to the console
    Com_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n\n");
 
    s = str;
    do  
    {
    // scan the width of the line
        for (l=0 ; l<40 ; l++)
            if (s[l] == '\n' || !s[l])
                break;
        for (i=0 ; i<(40-l)/2 ; i++)
            line[i] = ' ';
 
        for (j=0 ; j<l ; j++)
        {
            line[i++] = s[j];
        }
 
        line[i] = '\n';
        line[i+1] = 0;
 
        Com_Printf ("%s", line);
 
        while (*s && *s != '\n')
            s++;
 
        if (!*s)
            break;
        s++;        // skip the \n
    } while (1);
    Com_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n\n");
    Con_ClearNotify ();
}
 
 
void SCR_DrawCenterString (void)
{
    char    *start;
    int     l;
    int     j;
    int     x, y;
    int     remaining;
 
// the finale prints the characters one at a time
    remaining = 9999;
 
    scr_erase_center = 0;
    start = scr_centerstring;
 
    if (scr_center_lines <= 4)
        y = viddef.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 = (viddef.width - l*8)/2;
        SCR_AddDirtyPoint (x, y);
        for (j=0 ; j<l ; j++, x+=8)
        {
#ifdef QMAX
            re.DrawChar (x, y, start[j], 256);
#else   
            re.DrawChar (x, y, start[j]);   
#endif
            if (!remaining--)
                return;
        }
        SCR_AddDirtyPoint (x, y+8);
            
        y += 8;
 
        while (*start && *start != '\n')
            start++;
 
        if (!*start)
            break;
        start++;        // skip the \n
    } while (1);
}
 
void SCR_CheckDrawCenterString (void)
{
    scr_centertime_off -= cls.frametime;
    
    if (scr_centertime_off <= 0)
        return;
 
    SCR_DrawCenterString ();
}
 
//=============================================================================
 
/*
=================
SCR_CalcVrect
 
Sets scr_vrect, the coordinates of the rendered window
=================
*/
static void SCR_CalcVrect (void)
{
    int     size;
 
    // bound viewsize
    if (scr_viewsize->value < 40)
        Cvar_Set ("viewsize","40");
    if (scr_viewsize->value > 100)
        Cvar_Set ("viewsize","100");
 
    size = scr_viewsize->value;
 
    scr_vrect.width = viddef.width*size/100;
    scr_vrect.width &= ~7;
 
    scr_vrect.height = viddef.height*size/100;
    scr_vrect.height &= ~1;
 
    scr_vrect.x = (viddef.width - scr_vrect.width)/2;
    scr_vrect.y = (viddef.height - scr_vrect.height)/2;
}
 
 
/*
=================
SCR_SizeUp_f
 
Keybinding command
=================
*/
void SCR_SizeUp_f (void)
{
    Cvar_SetValue ("viewsize",scr_viewsize->value+10);
}
 
 
/*
=================
SCR_SizeDown_f
 
Keybinding command
=================
*/
void SCR_SizeDown_f (void)
{
    Cvar_SetValue ("viewsize",scr_viewsize->value-10);
}
 
/*
=================
SCR_Sky_f
 
Set a specific sky and rotation speed
=================
*/
void SCR_Sky_f (void)
{
    float   rotate;
    vec3_t  axis;
 
    if (Cmd_Argc() < 2)
    {
        Com_Printf ("Usage: sky <basename> <rotate> <axis x y z>\n");
        return;
    }
    if (Cmd_Argc() > 2)
        rotate = atof(Cmd_Argv(2));
    else
        rotate = 0;
    if (Cmd_Argc() == 6)
    {
        axis[0] = atof(Cmd_Argv(3));
        axis[1] = atof(Cmd_Argv(4));
        axis[2] = atof(Cmd_Argv(5));
    }
    else
    {
        axis[0] = 0;
        axis[1] = 0;
        axis[2] = 1;
    }
 
    re.SetSky (Cmd_Argv(1), rotate, axis);
}
 
//============================================================================
 
/*
==================
SCR_Init
==================
*/
void SCR_Init (void)
{
    scr_viewsize = Cvar_Get ("viewsize", "100", CVAR_ARCHIVE);
    scr_conspeed = Cvar_Get ("scr_conspeed", "3", 0);
    scr_showturtle = Cvar_Get ("scr_showturtle", "0", 0);
    scr_showpause = Cvar_Get ("scr_showpause", "1", 0);
    scr_centertime = Cvar_Get ("scr_centertime", "2.5", 0);
    scr_printspeed = Cvar_Get ("scr_printspeed", "8", 0);
    scr_netgraph = Cvar_Get ("netgraph", "0", 0);
    scr_timegraph = Cvar_Get ("timegraph", "0", 0);
    scr_debuggraph = Cvar_Get ("debuggraph", "0", 0);
    scr_graphheight = Cvar_Get ("graphheight", "32", 0);
    scr_graphscale = Cvar_Get ("graphscale", "1", 0);
    scr_graphshift = Cvar_Get ("graphshift", "0", 0);
    scr_drawall = Cvar_Get ("scr_drawall", "0", 0);
 
//
// register our commands
//
    Cmd_AddCommand ("timerefresh",SCR_TimeRefresh_f);
    Cmd_AddCommand ("loading",SCR_Loading_f);
    Cmd_AddCommand ("sizeup",SCR_SizeUp_f);
    Cmd_AddCommand ("sizedown",SCR_SizeDown_f);
    Cmd_AddCommand ("sky",SCR_Sky_f);
 
    scr_initialized = true;
}
 
 
/*
==============
SCR_DrawNet
==============
*/
void SCR_DrawNet (void)
{
    if (cls.netchan.outgoing_sequence - cls.netchan.incoming_acknowledged 
        < CMD_BACKUP-1)
        return;
 
    re.DrawPic (scr_vrect.x+64, scr_vrect.y, "net");
}
 
/*
==============
SCR_DrawPause
==============
*/
void SCR_DrawPause (void)
{
    int     w, h;
 
    if (!scr_showpause->value)      // turn off for screenshots
        return;
 
    if (!cl_paused->value)
        return;
 
    re.DrawGetPicSize (&w, &h, "pause");
    re.DrawPic ((viddef.width-w)/2, viddef.height/2 + 8, "pause");
}
 
/*
==============
SCR_DrawLoading
==============
*/
void SCR_DrawLoading (void)
{
    int     w, h;
        
    if (!scr_draw_loading)
        return;
 
    scr_draw_loading = false;
    re.DrawGetPicSize (&w, &h, "loading");
    re.DrawPic ((viddef.width-w)/2, (viddef.height-h)/2, "loading");
}
 
//=============================================================================
 
/*
==================
SCR_RunConsole
 
Scroll it up or down
==================
*/
void SCR_RunConsole (void)
{
// decide on the height of the console
    if (cls.key_dest == key_console)
        scr_conlines = 0.5;     // half screen
    else
        scr_conlines = 0;               // none visible
    
    if (scr_conlines < scr_con_current)
    {
        scr_con_current -= scr_conspeed->value*cls.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*cls.frametime;
        if (scr_conlines < scr_con_current)
            scr_con_current = scr_conlines;
    }
 
}
 
/*
==================
SCR_DrawConsole
==================
*/
void SCR_DrawConsole (void)
{
    Con_CheckResize ();
    
    if (cls.state == ca_disconnected || cls.state == ca_connecting)
    {   // forced full screen console
        Con_DrawConsole (1.0);
        return;
    }
 
    if (cls.state != ca_active || !cl.refresh_prepped)
    {   // connected, but can't render
        Con_DrawConsole (0.5);
        re.DrawFill (0, viddef.height/2, viddef.width, viddef.height/2, 0);
        return;
    }
 
    if (scr_con_current)
    {
        Con_DrawConsole (scr_con_current);
    }
    else
    {
        if (cls.key_dest == key_game || cls.key_dest == key_message)
            Con_DrawNotify ();  // only draw notify in game
    }
}
 
//=============================================================================
 
/*
================
SCR_BeginLoadingPlaque
================
*/
void SCR_BeginLoadingPlaque (void)
{
    S_StopAllSounds ();
    cl.sound_prepped = false;       // don't play ambients
    CDAudio_Stop ();
    if (cls.disable_screen)
        return;
    if (developer->value)
        return;
    if (cls.state == ca_disconnected)
        return; // if at console, don't bring up the plaque
    if (cls.key_dest == key_console)
        return;
    if (cl.cinematictime > 0)
        scr_draw_loading = 2;   // clear to balack first
    else
        scr_draw_loading = 1;
    SCR_UpdateScreen ();
    cls.disable_screen = Sys_Milliseconds ();
    cls.disable_servercount = cl.servercount;
}
 
/*
================
SCR_EndLoadingPlaque
================
*/
void SCR_EndLoadingPlaque (void)
{
    cls.disable_screen = 0;
    Con_ClearNotify ();
}
 
/*
================
SCR_Loading_f
================
*/
void SCR_Loading_f (void)
{
    SCR_BeginLoadingPlaque ();
}
 
/*
================
SCR_TimeRefresh_f
================
*/
int entitycmpfnc( const entity_t *a, const entity_t *b )
{
    /*
    ** all other models are sorted by model then skin
    */
    if ( a->model == b->model ) {
      return ( ( INT ) a->skin - ( INT ) b->skin );
    }
    else {
      return ( ( INT ) a->model - ( INT ) b->model );
    }
}
 
void SCR_TimeRefresh_f (void)
{
    int     i;
    int     start, stop;
    float   time;
 
    if ( cls.state != ca_active )
        return;
 
    start = Sys_Milliseconds ();
 
    if (Cmd_Argc() == 2)
    {   // run without page flipping
        re.BeginFrame( 0 );
        for (i=0 ; i<128 ; i++)
        {
            cl.refdef.viewangles[1] = i/128.0*360.0;
            re.RenderFrame (&cl.refdef);
        }
        re.EndFrame();
    }
    else
    {
        for (i=0 ; i<128 ; i++)
        {
            cl.refdef.viewangles[1] = i/128.0*360.0;
 
            re.BeginFrame( 0 );
            re.RenderFrame (&cl.refdef);
            re.EndFrame();
        }
    }
 
    stop = Sys_Milliseconds ();
    time = (stop-start)/1000.0;
    Com_Printf ("%f seconds (%f fps)\n", time, 128/time);
}
 
/*
=================
SCR_AddDirtyPoint
=================
*/
void SCR_AddDirtyPoint (int x, int y)
{
    if (x < scr_dirty.x1)
        scr_dirty.x1 = x;
    if (x > scr_dirty.x2)
        scr_dirty.x2 = x;
    if (y < scr_dirty.y1)
        scr_dirty.y1 = y;
    if (y > scr_dirty.y2)
        scr_dirty.y2 = y;
}
 
void SCR_DirtyScreen (void)
{
    SCR_AddDirtyPoint (0, 0);
    SCR_AddDirtyPoint (viddef.width-1, viddef.height-1);
}
 
/*
==============
SCR_TileClear
 
Clear any parts of the tiled background that were drawn on last frame
==============
*/
void SCR_TileClear (void)
{
    int     i;
    int     top, bottom, left, right;
    dirty_t clear;
 
    if (scr_drawall->value)
        SCR_DirtyScreen (); // for power vr or broken page flippers...
 
    if (scr_con_current == 1.0)
        return;     // full screen console
    if (scr_viewsize->value == 100)
        return;     // full screen rendering
    if (cl.cinematictime > 0)
        return;     // full screen cinematic
 
    // erase rect will be the union of the past three frames
    // so tripple buffering works properly
    clear = scr_dirty;
    for (i=0 ; i<2 ; i++)
    {
        if (scr_old_dirty[i].x1 < clear.x1)
            clear.x1 = scr_old_dirty[i].x1;
        if (scr_old_dirty[i].x2 > clear.x2)
            clear.x2 = scr_old_dirty[i].x2;
        if (scr_old_dirty[i].y1 < clear.y1)
            clear.y1 = scr_old_dirty[i].y1;
        if (scr_old_dirty[i].y2 > clear.y2)
            clear.y2 = scr_old_dirty[i].y2;
    }
 
    scr_old_dirty[1] = scr_old_dirty[0];
    scr_old_dirty[0] = scr_dirty;
 
    scr_dirty.x1 = 9999;
    scr_dirty.x2 = -9999;
    scr_dirty.y1 = 9999;
    scr_dirty.y2 = -9999;
 
    // don't bother with anything convered by the console)
    top = scr_con_current*viddef.height;
    if (top >= clear.y1)
        clear.y1 = top;
 
    if (clear.y2 <= clear.y1)
        return;     // nothing disturbed
 
    top = scr_vrect.y;
    bottom = top + scr_vrect.height-1;
    left = scr_vrect.x;
    right = left + scr_vrect.width-1;
 
    if (clear.y1 < top)
    {   // clear above view screen
        i = clear.y2 < top-1 ? clear.y2 : top-1;
        re.DrawTileClear (clear.x1 , clear.y1,
            clear.x2 - clear.x1 + 1, i - clear.y1+1, "backtile");
        clear.y1 = top;
    }
    if (clear.y2 > bottom)
    {   // clear below view screen
        i = clear.y1 > bottom+1 ? clear.y1 : bottom+1;
        re.DrawTileClear (clear.x1, i,
            clear.x2-clear.x1+1, clear.y2-i+1, "backtile");
        clear.y2 = bottom;
    }
    if (clear.x1 < left)
    {   // clear left of view screen
        i = clear.x2 < left-1 ? clear.x2 : left-1;
        re.DrawTileClear (clear.x1, clear.y1,
            i-clear.x1+1, clear.y2 - clear.y1 + 1, "backtile");
        clear.x1 = left;
    }
    if (clear.x2 > right)
    {   // clear left of view screen
        i = clear.x1 > right+1 ? clear.x1 : right+1;
        re.DrawTileClear (i, clear.y1,
            clear.x2-i+1, clear.y2 - clear.y1 + 1, "backtile");
        clear.x2 = right;
    }
 
}
 
 
//===============================================================
 
 
#define STAT_MINUS      10  // num frame for '-' stats digit
char        *sb_nums[2][11] = 
{
    {"num_0", "num_1", "num_2", "num_3", "num_4", "num_5",
    "num_6", "num_7", "num_8", "num_9", "num_minus"},
    {"anum_0", "anum_1", "anum_2", "anum_3", "anum_4", "anum_5",
    "anum_6", "anum_7", "anum_8", "anum_9", "anum_minus"}
};
 
#define ICON_WIDTH  24
#define ICON_HEIGHT 24
#define CHAR_WIDTH  16
#define ICON_SPACE  8
 
 
 
/*
================
SizeHUDString
 
Allow embedded \n in the string
================
*/
void SizeHUDString (char *string, int *w, int *h)
{
    int     lines, width, current;
 
    lines = 1;
    width = 0;
 
    current = 0;
    while (*string)
    {
        if (*string == '\n')
        {
            lines++;
            current = 0;
        }
        else
        {
            current++;
            if (current > width)
                width = current;
        }
        string++;
    }
 
    *w = width * 8;
    *h = lines * 8;
}
 
void DrawHUDString (char *string, int x, int y, int centerwidth, int xor)
{
    int     margin;
    char    line[1024];
    int     width;
    int     i;
 
    margin = x;
 
    while (*string)
    {
        // scan out one line of text from the string
        width = 0;
        while (*string && *string != '\n')
            line[width++] = *string++;
        line[width] = 0;
 
        if (centerwidth)
            x = margin + (centerwidth - width*8)/2;
        else
            x = margin;
        for (i=0 ; i<width ; i++)
        {
#ifdef QMAX
            re.DrawChar (x, y, line[i]^xor, 256);
#else
            re.DrawChar (x, y, line[i]^xor);
#endif
            x += 8;
        }
        if (*string)
        {
            string++;   // skip the \n
            x = margin;
            y += 8;
        }
    }
}
 
 
/*
==============
SCR_DrawField
==============
*/
void SCR_DrawField (int x, int y, int color, int width, int value)
{
    char    num[16], *ptr;
    int     l;
    int     frame;
 
    if (width < 1)
        return;
 
    // draw number string
    if (width > 5)
        width = 5;
 
    SCR_AddDirtyPoint (x, y);
    SCR_AddDirtyPoint (x+width*CHAR_WIDTH+2, y+23);
 
    Com_sprintf (num, sizeof(num), "%i", value);
    l = strlen(num);
    if (l > width)
        l = width;
    x += 2 + CHAR_WIDTH*(width - l);
 
    ptr = num;
    while (*ptr && l)
    {
        if (*ptr == '-')
            frame = STAT_MINUS;
        else
            frame = *ptr -'0';
 
        re.DrawPic (x,y,sb_nums[color][frame]);
        x += CHAR_WIDTH;
        ptr++;
        l--;
    }
}
 
 
/*
===============
SCR_TouchPics
 
Allows rendering code to cache all needed sbar graphics
===============
*/
void SCR_TouchPics (void)
{
    int     i, j;
 
    for (i=0 ; i<2 ; i++)
        for (j=0 ; j<11 ; j++)
            re.RegisterPic (sb_nums[i][j]);
 
    if (crosshair->value)
    {
#ifdef QMAX
      if (crosshair->value > 9)
        crosshair->value = 9;
#else
      if (crosshair->value > 3 || crosshair->value < 0)
        crosshair->value = 3;
#endif    
      Com_sprintf (crosshair_pic, sizeof(crosshair_pic), "ch%i", (int)(crosshair->value));
      re.DrawGetPicSize (&crosshair_width, &crosshair_height, crosshair_pic);
      if (!crosshair_width)
        crosshair_pic[0] = 0;
    
    }
}
 
/*
================
SCR_ExecuteLayoutString 
 
================
*/
void SCR_ExecuteLayoutString (char *s)
{
    int     x, y;
    int     value;
    char    *token;
    int     width;
    int     index;
    clientinfo_t    *ci;
 
    if (cls.state != ca_active || !cl.refresh_prepped)
        return;
 
    if (!s[0])
        return;
 
    x = 0;
    y = 0;
    width = 3;
 
    while (s)
    {
        token = COM_Parse (&s);
        if (!strcmp(token, "xl"))
        {
            token = COM_Parse (&s);
            x = atoi(token);
            continue;
        }
        if (!strcmp(token, "xr"))
        {
            token = COM_Parse (&s);
            x = viddef.width + atoi(token);
            continue;
        }
        if (!strcmp(token, "xv"))
        {
            token = COM_Parse (&s);
            x = viddef.width/2 - 160 + atoi(token);
            continue;
        }
 
        if (!strcmp(token, "yt"))
        {
            token = COM_Parse (&s);
            y = atoi(token);
            continue;
        }
        if (!strcmp(token, "yb"))
        {
            token = COM_Parse (&s);
            y = viddef.height + atoi(token);
            continue;
        }
        if (!strcmp(token, "yv"))
        {
            token = COM_Parse (&s);
            y = viddef.height/2 - 120 + atoi(token);
            continue;
        }
 
        if (!strcmp(token, "pic"))
        {   // draw a pic from a stat number
            token = COM_Parse (&s);
            value = cl.frame.playerstate.stats[atoi(token)];
            if (value >= MAX_IMAGES)
                Com_Error (ERR_DROP, "Pic >= MAX_IMAGES");
            if (cl.configstrings[CS_IMAGES+value])
            {
                SCR_AddDirtyPoint (x, y);
                SCR_AddDirtyPoint (x+23, y+23);
                re.DrawPic (x, y, cl.configstrings[CS_IMAGES+value]);
            }
            continue;
        }
 
        if (!strcmp(token, "client"))
        {   // draw a deathmatch client block
            int     score, ping, time;
 
            token = COM_Parse (&s);
            x = viddef.width/2 - 160 + atoi(token);
            token = COM_Parse (&s);
            y = viddef.height/2 - 120 + atoi(token);
            SCR_AddDirtyPoint (x, y);
            SCR_AddDirtyPoint (x+159, y+31);
 
            token = COM_Parse (&s);
            value = atoi(token);
            if (value >= MAX_CLIENTS || value < 0)
                Com_Error (ERR_DROP, "client >= MAX_CLIENTS");
            ci = &cl.clientinfo[value];
 
            token = COM_Parse (&s);
            score = atoi(token);
 
            token = COM_Parse (&s);
            ping = atoi(token);
 
            token = COM_Parse (&s);
            time = atoi(token);
 
            DrawAltString (x+32, y, ci->name);
            DrawString (x+32, y+8,  "Score: ");
            DrawAltString (x+32+7*8, y+8,  va("%i", score));
            DrawString (x+32, y+16, va("Ping:  %i", ping));
            DrawString (x+32, y+24, va("Time:  %i", time));
 
            if (!ci->icon)
                ci = &cl.baseclientinfo;
            re.DrawPic (x, y, ci->iconname);
            continue;
        }
 
        if (!strcmp(token, "ctf"))
        {   // draw a ctf client block
            int     score, ping;
            char    block[80];
 
            token = COM_Parse (&s);
            x = viddef.width/2 - 160 + atoi(token);
            token = COM_Parse (&s);
            y = viddef.height/2 - 120 + atoi(token);
            SCR_AddDirtyPoint (x, y);
            SCR_AddDirtyPoint (x+159, y+31);
 
            token = COM_Parse (&s);
            value = atoi(token);
            if (value >= MAX_CLIENTS || value < 0)
                Com_Error (ERR_DROP, "client >= MAX_CLIENTS");
            ci = &cl.clientinfo[value];
 
            token = COM_Parse (&s);
            score = atoi(token);
 
            token = COM_Parse (&s);
            ping = atoi(token);
            if (ping > 999)
                ping = 999;
 
            sprintf(block, "%3d %3d %-12.12s", score, ping, ci->name);
 
            if (value == cl.playernum)
                DrawAltString (x, y, block);
            else
                DrawString (x, y, block);
            continue;
        }
 
        if (!strcmp(token, "picn"))
        {   // draw a pic from a name
            token = COM_Parse (&s);
            SCR_AddDirtyPoint (x, y);
            SCR_AddDirtyPoint (x+23, y+23);
            re.DrawPic (x, y, token);
            continue;
        }
 
        if (!strcmp(token, "num"))
        {   // draw a number
            token = COM_Parse (&s);
            width = atoi(token);
            token = COM_Parse (&s);
            value = cl.frame.playerstate.stats[atoi(token)];
            SCR_DrawField (x, y, 0, width, value);
            continue;
        }
 
        if (!strcmp(token, "hnum"))
        {   // health number
            int     color;
 
            width = 3;
            value = cl.frame.playerstate.stats[STAT_HEALTH];
            if (value > 25)
                color = 0;  // green
            else if (value > 0)
                color = (cl.frame.serverframe>>2) & 1;      // flash
            else
                color = 1;
 
            if (cl.frame.playerstate.stats[STAT_FLASHES] & 1)
                re.DrawPic (x, y, "field_3");
 
            SCR_DrawField (x, y, color, width, value);
            continue;
        }
 
        if (!strcmp(token, "anum"))
        {   // ammo number
            int     color;
 
            width = 3;
            value = cl.frame.playerstate.stats[STAT_AMMO];
            if (value > 5)
                color = 0;  // green
            else if (value >= 0)
                color = (cl.frame.serverframe>>2) & 1;      // flash
            else
                continue;   // negative number = don't show
 
            if (cl.frame.playerstate.stats[STAT_FLASHES] & 4)
                re.DrawPic (x, y, "field_3");
 
            SCR_DrawField (x, y, color, width, value);
            continue;
        }
 
        if (!strcmp(token, "rnum"))
        {   // armor number
            int     color;
 
            width = 3;
            value = cl.frame.playerstate.stats[STAT_ARMOR];
            if (value < 1)
                continue;
 
            color = 0;  // green
 
            if (cl.frame.playerstate.stats[STAT_FLASHES] & 2)
                re.DrawPic (x, y, "field_3");
 
            SCR_DrawField (x, y, color, width, value);
            continue;
        }
 
 
        if (!strcmp(token, "stat_string"))
        {
            token = COM_Parse (&s);
            index = atoi(token);
            if (index < 0 || index >= MAX_CONFIGSTRINGS)
                Com_Error (ERR_DROP, "Bad stat_string index");
            index = cl.frame.playerstate.stats[index];
            if (index < 0 || index >= MAX_CONFIGSTRINGS)
                Com_Error (ERR_DROP, "Bad stat_string index");
            DrawString (x, y, cl.configstrings[index]);
            continue;
        }
 
        if (!strcmp(token, "cstring"))
        {
            token = COM_Parse (&s);
            DrawHUDString (token, x, y, 320, 0);
            continue;
        }
 
        if (!strcmp(token, "string"))
        {
            token = COM_Parse (&s);
            DrawString (x, y, token);
            continue;
        }
 
        if (!strcmp(token, "cstring2"))
        {
            token = COM_Parse (&s);
            DrawHUDString (token, x, y, 320,0x80);
            continue;
        }
 
        if (!strcmp(token, "string2"))
        {
            token = COM_Parse (&s);
            DrawAltString (x, y, token);
            continue;
        }
 
        if (!strcmp(token, "if"))
        {   // draw a number
            token = COM_Parse (&s);
            value = cl.frame.playerstate.stats[atoi(token)];
            if (!value)
            {   // skip to endif
                while (s && strcmp(token, "endif") )
                {
                    token = COM_Parse (&s);
                }
            }
 
            continue;
        }
 
 
    }
}
 
 
/*
================
SCR_DrawStats
 
The status bar is a small layout program that
is based on the stats array
================
*/
void SCR_DrawStats (void)
{
    SCR_ExecuteLayoutString (cl.configstrings[CS_STATUSBAR]);
}
 
 
/*
================
SCR_DrawLayout
 
================
*/
#define STAT_LAYOUTS        13
 
void SCR_DrawLayout (void)
{
    if (!cl.frame.playerstate.stats[STAT_LAYOUTS])
        return;
    SCR_ExecuteLayoutString (cl.layout);
}
 
//=======================================================
 
/*
==================
SCR_UpdateScreen
 
This is called every frame, and can also be called explicitly to flush
text to the screen.
==================
*/
void SCR_UpdateScreen (void)
{
    int numframes;
    int i;
    float separation[2] = { 0, 0 };
 
    // if the screen is disabled (loading plaque is up, or vid mode changing)
    // do nothing at all
    if (cls.disable_screen)
    {
        if (Sys_Milliseconds() - cls.disable_screen > 120000)
        {
            cls.disable_screen = 0;
            Com_Printf ("Loading plaque timed out.\n");
        }
        return;
    }
 
    if (!scr_initialized || !con.initialized)
        return;             // not initialized yet
 
    /*
    ** range check cl_camera_separation so we don't inadvertently fry someone's
    ** brain
    */
#ifdef REDBLUE
    if ( cl_stereo_separation->value > 10.0 )
        Cvar_SetValue( "cl_stereo_separation", 10.0 );
#else
    if ( cl_stereo_separation->value > 1.0 )
        Cvar_SetValue( "cl_stereo_separation", 1.0 );
#endif
    else if ( cl_stereo_separation->value < 0 )
        Cvar_SetValue( "cl_stereo_separation", 0.0 );
 
#ifdef REDBLUE
    if ( !cl_stereo->value )
      Cvar_SetValue( "cl_stereo", 1 );
 
    numframes = 2;
    separation[0] = -cl_stereo_separation->value / 2.0;
    separation[1] =  cl_stereo_separation->value / 2.0;
#else
    if ( cl_stereo->value )
    {
        numframes = 2;
        separation[0] = -cl_stereo_separation->value / 2;
        separation[1] =  cl_stereo_separation->value / 2;
    }       
    else
    {
        separation[0] = 0;
        separation[1] = 0;
        numframes = 1;
    }
#endif
    for ( i = 0; i < numframes; i++ )
    {
      re.BeginFrame( separation[i] );
      
      if (scr_draw_loading == 2)
        {   //  loading plaque over black screen
          int       w, h;
          
          re.CinematicSetPalette(NULL);
          scr_draw_loading = false;
          re.DrawGetPicSize (&w, &h, "loading");
          re.DrawPic ((viddef.width-w)/2, (viddef.height-h)/2, "loading");
          //            re.EndFrame();
          //            return;
        } 
      // if a cinematic is supposed to be running, handle menus
      // and console specially
      else if (cl.cinematictime > 0)
        {
          if (cls.key_dest == key_menu)
        {
          if (cl.cinematicpalette_active)
            {
              re.CinematicSetPalette(NULL);
              cl.cinematicpalette_active = false;
            }
          M_Draw ();
          //                re.EndFrame();
          //                return;
        }
          else if (cls.key_dest == key_console)
        {
          if (cl.cinematicpalette_active)
            {
              re.CinematicSetPalette(NULL);
              cl.cinematicpalette_active = false;
            }
          SCR_DrawConsole ();
          //                re.EndFrame();
          //                return;
        }
          else
        {
          SCR_DrawCinematic();
          //                re.EndFrame();
          //                return;
        }
        }
      else 
        {
          
          // make sure the game palette is active
          if (cl.cinematicpalette_active)
        {
          re.CinematicSetPalette(NULL);
          cl.cinematicpalette_active = false;
        }
          
          // do 3D refresh drawing, and then update the screen
          SCR_CalcVrect ();
          
          // clear any dirty part of the background
          SCR_TileClear ();
          
          V_RenderView ( separation[i] );
          
          SCR_DrawStats ();
          if (cl.frame.playerstate.stats[STAT_LAYOUTS] & 1)
        SCR_DrawLayout ();
          if (cl.frame.playerstate.stats[STAT_LAYOUTS] & 2)
        CL_DrawInventory ();
          
          SCR_DrawNet ();
          SCR_CheckDrawCenterString ();
          
          // FPS counter hack 
          // http://www.quakesrc.org/?Page=tutorials&What=./tutorials/Quake2/misc/fps.txt
          if (cl_drawfps->value) {
        char s[8];
        sprintf(s,"%3.0ffps", 1/cls.frametime);
        DrawString(viddef.width-64,0,s);
          }
          
          if (scr_timegraph->value)
        SCR_DebugGraph (cls.frametime*300, 0);
          
          if (scr_debuggraph->value || scr_timegraph->value || scr_netgraph->value)
        SCR_DrawDebugGraph ();
          
          SCR_DrawPause ();
          
          SCR_DrawConsole ();
          
          M_Draw ();
          
          SCR_DrawLoading ();
        }
    }
    re.EndFrame();
}