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spingle/source/gl_screen.c

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/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2009 John Fitzgibbons and others
Copyright (C) 2007-2008 Kristian Duske
Copyright (C) 2010-2014 QuakeSpasm developers
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// screen.c -- master for refresh, status bar, console, chat, notify, etc
#include "q_defs.h"
/*
background clear
rendering
turtle/net/ram icons
sbar
centerprint / slow centerprint
notify lines
intermission / finale overlay
loading plaque
console
menu
required background clears
required update regions
syncronous draw mode or async
One off screen buffer, with updates either copied or xblited
Need to double buffer?
async draw will require the refresh area to be cleared, because it will be
xblited, but sync draw can just ignore it.
sync
draw
CenterPrint ()
SlowPrint ()
Screen_Update ();
Con_Printf ();
net
turn off messages option
the refresh is allways rendered, unless the console is full screen
console is:
notify lines
half
full
*/
int32_t glx, gly, glwidth, glheight;
float scr_con_current;
float scr_conlines; // lines of console to display
//johnfitz -- new cvars
cvar_t scr_menuscale = {"scr_menuscale", "1", CVAR_ARCHIVE};
cvar_t scr_sbarscale = {"scr_sbarscale", "1", CVAR_ARCHIVE};
cvar_t scr_sbaralpha = {"scr_sbaralpha", "0.75", CVAR_ARCHIVE};
cvar_t scr_conwidth = {"scr_conwidth", "0", CVAR_ARCHIVE};
cvar_t scr_conscale = {"scr_conscale", "1", CVAR_ARCHIVE};
cvar_t scr_crosshairscale = {"scr_crosshairscale", "1", CVAR_ARCHIVE};
cvar_t scr_showfps = {"scr_showfps", "0", CVAR_NONE};
cvar_t scr_clock = {"scr_clock", "0", CVAR_NONE};
//johnfitz
cvar_t scr_viewsize = {"viewsize", "100", CVAR_ARCHIVE};
cvar_t scr_fov = {"fov", "90", CVAR_NONE}; // 10 - 170
cvar_t scr_fov_adapt = {"fov_adapt", "1", CVAR_ARCHIVE};
cvar_t scr_conspeed = {"scr_conspeed", "500", CVAR_ARCHIVE};
cvar_t scr_centertime = {"scr_centertime", "2", CVAR_NONE};
cvar_t scr_showram = {"showram", "1", CVAR_NONE};
cvar_t scr_showturtle = {"showturtle", "0", CVAR_NONE};
cvar_t scr_showpause = {"showpause", "1", CVAR_NONE};
cvar_t scr_printspeed = {"scr_printspeed", "8", CVAR_NONE};
cvar_t gl_triplebuffer = {"gl_triplebuffer", "1", CVAR_ARCHIVE};
extern cvar_t crosshair;
bool scr_initialized; // ready to draw
qpic_t *scr_ram;
qpic_t *scr_net;
qpic_t *scr_turtle;
int32_t clearconsole;
int32_t clearnotify;
vrect_t scr_vrect;
bool scr_disabled_for_loading;
bool scr_drawloading;
float scr_disabled_time;
int32_t scr_tileclear_updates = 0; //johnfitz
void SCR_ScreenShot_f(void);
/*
===============================================================================
CENTER PRINTING
===============================================================================
*/
char scr_centerstring[1024];
float scr_centertime_start; // for slow victory printing
float scr_centertime_off;
int32_t scr_center_lines;
int32_t scr_erase_lines;
int32_t scr_erase_center;
/*
==============
SCR_CenterPrint
Called for important messages that should stay in the center of the screen
for a few moments
==============
*/
void SCR_CenterPrint(const char *str) //update centerprint data
{
strncpy(scr_centerstring, str, strsizeof(scr_centerstring));
scr_centertime_off = scr_centertime.value;
scr_centertime_start = cl.time;
// count the number of lines for centering
scr_center_lines = 1;
str = scr_centerstring;
while(*str)
{
if(*str == '\n')
scr_center_lines++;
str++;
}
}
void SCR_DrawCenterString(void) //actually do the drawing
{
char *start;
int32_t l;
int32_t j;
int32_t x, y;
int32_t remaining;
GL_SetCanvas(CANVAS_MENU); //johnfitz
// the finale prints the characters one at a time
if(cl.intermission)
remaining = scr_printspeed.value * (cl.time - scr_centertime_start);
else
remaining = 9999;
scr_erase_center = 0;
start = scr_centerstring;
if(scr_center_lines <= 4)
y = 200 * 0.35; //johnfitz -- 320x200 coordinate system
else
y = 48;
if(crosshair.value)
y -= 8;
do
{
// scan the width of the line
for(l = 0 ; l < 40 ; l++)
if(start[l] == '\n' || !start[l])
break;
x = (320 - l * 8) / 2; //johnfitz -- 320x200 coordinate system
for(j = 0 ; j < l ; j++, x += 8)
{
Draw_Character(x, y, start[j]); //johnfitz -- stretch overlays
if(!remaining--)
return;
}
y += 8;
while(*start && *start != '\n')
start++;
if(!*start)
break;
start++; // skip the \n
}
while(1);
}
void SCR_CheckDrawCenterString(void)
{
if(scr_center_lines > scr_erase_lines)
scr_erase_lines = scr_center_lines;
scr_centertime_off -= host_frametime;
if(scr_centertime_off <= 0 && !cl.intermission)
return;
if(key_dest != key_game)
return;
if(cl.paused) //johnfitz -- don't show centerprint during a pause
return;
SCR_DrawCenterString();
}
//=============================================================================
/*
====================
AdaptFovx
Adapt a 4:3 horizontal FOV to the current screen size using the "Hor+" scaling:
2.0 * atan(width / height * 3.0 / 4.0 * tan(fov_x / 2.0))
====================
*/
float AdaptFovx(float fov_x, float width, float height)
{
float a, x;
if(fov_x < 1 || fov_x > 179)
Sys_Error("Bad fov: %f", fov_x);
if(!scr_fov_adapt.value)
return fov_x;
if((x = height / width) == 0.75)
return fov_x;
a = atan(0.75 / x * tan(fov_x / 360 * PI));
a = a * 360 / PI;
return a;
}
/*
====================
CalcFovy
====================
*/
float CalcFovy(float fov_x, float width, float height)
{
float a, x;
if(fov_x < 1 || fov_x > 179)
Sys_Error("Bad fov: %f", fov_x);
x = width / tan(fov_x / 360 * PI);
a = atan(height / x);
a = a * 360 / PI;
return a;
}
/*
=================
SCR_CalcRefdef
Must be called whenever vid changes
Internal use only
=================
*/
static void SCR_CalcRefdef(void)
{
float size, scale; //johnfitz -- scale
// force the status bar to redraw
Sbar_Changed();
scr_tileclear_updates = 0; //johnfitz
// bound viewsize
if(scr_viewsize.value < 30)
Cvar_SetQuick(&scr_viewsize, "30");
if(scr_viewsize.value > 120)
Cvar_SetQuick(&scr_viewsize, "120");
// bound fov
if(scr_fov.value < 10)
Cvar_SetQuick(&scr_fov, "10");
if(scr_fov.value > 170)
Cvar_SetQuick(&scr_fov, "170");
vid.recalc_refdef = 0;
//johnfitz -- rewrote this section
size = scr_viewsize.value;
scale = CLAMP(1.0, scr_sbarscale.value, (float)glwidth / 320.0);
if(size >= 120 || cl.intermission || scr_sbaralpha.value < 1) //johnfitz -- scr_sbaralpha.value
sb_lines = 0;
else if(size >= 110)
sb_lines = 24 * scale;
else
sb_lines = 48 * scale;
size = q_min(scr_viewsize.value, 100) / 100;
//johnfitz
//johnfitz -- rewrote this section
r_refdef.vrect.width = q_max(glwidth * size, 96); //no smaller than 96, for icons
r_refdef.vrect.height = q_min(glheight * size, glheight - sb_lines); //make room for sbar
r_refdef.vrect.x = (glwidth - r_refdef.vrect.width) / 2;
r_refdef.vrect.y = (glheight - sb_lines - r_refdef.vrect.height) / 2;
//johnfitz
r_refdef.fov_x = AdaptFovx(scr_fov.value, vid.width, vid.height);
r_refdef.fov_y = CalcFovy(r_refdef.fov_x, r_refdef.vrect.width, r_refdef.vrect.height);
scr_vrect = r_refdef.vrect;
}
/*
=================
SCR_SizeUp_f
Keybinding command
=================
*/
void SCR_SizeUp_f(void)
{
Cvar_SetValueQuick(&scr_viewsize, scr_viewsize.value + 10);
}
/*
=================
SCR_SizeDown_f
Keybinding command
=================
*/
void SCR_SizeDown_f(void)
{
Cvar_SetValueQuick(&scr_viewsize, scr_viewsize.value - 10);
}
static void SCR_Callback_refdef(cvar_t *var)
{
(void)var;
vid.recalc_refdef = 1;
}
/*
==================
SCR_Conwidth_f -- johnfitz -- called when scr_conwidth or scr_conscale changes
==================
*/
void SCR_Conwidth_f(cvar_t *var)
{
(void)var;
vid.recalc_refdef = 1;
vid.conwidth = (scr_conwidth.value > 0) ? (int32_t)scr_conwidth.value : (scr_conscale.value > 0) ? (int32_t)(vid.width / scr_conscale.value) : vid.width;
vid.conwidth = CLAMP(320, vid.conwidth, vid.width);
vid.conwidth &= 0xFFFFFFF8;
vid.conheight = vid.conwidth * vid.height / vid.width;
}
//============================================================================
/*
==================
SCR_LoadPics -- johnfitz
==================
*/
void SCR_LoadPics(void)
{
scr_ram = Draw_PicFromWad("ram");
scr_net = Draw_PicFromWad("net");
scr_turtle = Draw_PicFromWad("turtle");
}
/*
==================
SCR_Init
==================
*/
void SCR_Init(void)
{
//johnfitz -- new cvars
Cvar_RegisterVariable(&scr_menuscale);
Cvar_RegisterVariable(&scr_sbarscale);
Cvar_SetCallback(&scr_sbaralpha, SCR_Callback_refdef);
Cvar_RegisterVariable(&scr_sbaralpha);
Cvar_SetCallback(&scr_conwidth, &SCR_Conwidth_f);
Cvar_SetCallback(&scr_conscale, &SCR_Conwidth_f);
Cvar_RegisterVariable(&scr_conwidth);
Cvar_RegisterVariable(&scr_conscale);
Cvar_RegisterVariable(&scr_crosshairscale);
Cvar_RegisterVariable(&scr_showfps);
Cvar_RegisterVariable(&scr_clock);
//johnfitz
Cvar_SetCallback(&scr_fov, SCR_Callback_refdef);
Cvar_SetCallback(&scr_fov_adapt, SCR_Callback_refdef);
Cvar_SetCallback(&scr_viewsize, SCR_Callback_refdef);
Cvar_RegisterVariable(&scr_fov);
Cvar_RegisterVariable(&scr_fov_adapt);
Cvar_RegisterVariable(&scr_viewsize);
Cvar_RegisterVariable(&scr_conspeed);
Cvar_RegisterVariable(&scr_showram);
Cvar_RegisterVariable(&scr_showturtle);
Cvar_RegisterVariable(&scr_showpause);
Cvar_RegisterVariable(&scr_centertime);
Cvar_RegisterVariable(&scr_printspeed);
Cvar_RegisterVariable(&gl_triplebuffer);
Cmd_AddCommand("screenshot", SCR_ScreenShot_f);
Cmd_AddCommand("sizeup", SCR_SizeUp_f);
Cmd_AddCommand("sizedown", SCR_SizeDown_f);
SCR_LoadPics(); //johnfitz
scr_initialized = true;
}
//============================================================================
/*
==============
SCR_DrawFPS -- johnfitz
==============
*/
void SCR_DrawFPS(void)
{
static double oldtime = 0;
static double lastfps = 0;
static int32_t oldframecount = 0;
double elapsed_time;
int32_t frames;
elapsed_time = realtime - oldtime;
frames = r_framecount - oldframecount;
if(elapsed_time < 0 || frames < 0)
{
oldtime = realtime;
oldframecount = r_framecount;
return;
}
// update value every 3/4 second
if(elapsed_time > 0.75)
{
lastfps = frames / elapsed_time;
oldtime = realtime;
oldframecount = r_framecount;
}
if(scr_showfps.value)
{
char st[16];
int32_t x, y;
sprintf(st, "%4.0f fps", lastfps);
x = 320 - (strlen(st) << 3);
y = 200 - 8;
if(scr_clock.value) y -= 8; //make room for clock
GL_SetCanvas(CANVAS_BOTTOMRIGHT);
Draw_String(x, y, st);
scr_tileclear_updates = 0;
}
}
/*
==============
SCR_DrawClock -- johnfitz
==============
*/
void SCR_DrawClock(void)
{
char str[12];
if(scr_clock.value == 1)
{
int32_t minutes, seconds;
minutes = cl.time / 60;
seconds = ((int32_t)cl.time) % 60;
sprintf(str, "%" PRIi32 ":%" PRIi32 "%" PRIi32, minutes, seconds / 10, seconds % 10);
}
else
return;
//draw it
GL_SetCanvas(CANVAS_BOTTOMRIGHT);
Draw_String(320 - (strlen(str) << 3), 200 - 8, str);
scr_tileclear_updates = 0;
}
/*
==============
SCR_DrawDevStats
==============
*/
void SCR_DrawDevStats(void)
{
char str[40];
int32_t y = 25 - 9; //9=number of lines to print
int32_t x = 0; //margin
if(!devstats.value)
return;
GL_SetCanvas(CANVAS_BOTTOMLEFT);
Draw_Fill(x, y * 8, 19 * 8, 9 * 8, 0, 0.5); //dark rectangle
sprintf(str, "devstats |Curr Peak");
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "---------+---------");
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Edicts |%4" PRIi32 " %4" PRIi32, dev_stats.edicts, dev_peakstats.edicts);
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Packet |%4" PRIi32 " %4" PRIi32, dev_stats.packetsize, dev_peakstats.packetsize);
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Visedicts|%4" PRIi32 " %4" PRIi32, dev_stats.visedicts, dev_peakstats.visedicts);
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Efrags |%4" PRIi32 " %4" PRIi32, dev_stats.efrags, dev_peakstats.efrags);
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Dlights |%4" PRIi32 " %4" PRIi32, dev_stats.dlights, dev_peakstats.dlights);
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Beams |%4" PRIi32 " %4" PRIi32, dev_stats.beams, dev_peakstats.beams);
Draw_String(x, (y++) * 8 - x, str);
sprintf(str, "Tempents |%4" PRIi32 " %4" PRIi32, dev_stats.tempents, dev_peakstats.tempents);
Draw_String(x, (y++) * 8 - x, str);
}
/*
==============
SCR_DrawRam
==============
*/
void SCR_DrawRam(void)
{
if(!scr_showram.value)
return;
if(!r_cache_thrash)
return;
GL_SetCanvas(CANVAS_DEFAULT); //johnfitz
Draw_Pic(scr_vrect.x + 32, scr_vrect.y, scr_ram);
}
/*
==============
SCR_DrawTurtle
==============
*/
void SCR_DrawTurtle(void)
{
static int32_t count;
if(!scr_showturtle.value)
return;
if(host_frametime < 0.1)
{
count = 0;
return;
}
count++;
if(count < 3)
return;
GL_SetCanvas(CANVAS_DEFAULT); //johnfitz
Draw_Pic(scr_vrect.x, scr_vrect.y, scr_turtle);
}
/*
==============
SCR_DrawNet
==============
*/
void SCR_DrawNet(void)
{
if(realtime - cl.last_received_message < 0.3)
return;
if(cls.demoplayback)
return;
GL_SetCanvas(CANVAS_DEFAULT); //johnfitz
Draw_Pic(scr_vrect.x + 64, scr_vrect.y, scr_net);
}
/*
==============
DrawPause
==============
*/
void SCR_DrawPause(void)
{
qpic_t *pic;
if(!cl.paused)
return;
if(!scr_showpause.value) // turn off for screenshots
return;
GL_SetCanvas(CANVAS_MENU); //johnfitz
pic = Draw_CachePic("gfx/pause.lmp");
Draw_Pic((320 - pic->width) / 2, (240 - 48 - pic->height) / 2, pic); //johnfitz -- stretched menus
scr_tileclear_updates = 0; //johnfitz
}
/*
==============
SCR_DrawLoading
==============
*/
void SCR_DrawLoading(void)
{
qpic_t *pic;
if(!scr_drawloading)
return;
GL_SetCanvas(CANVAS_MENU); //johnfitz
pic = Draw_CachePic("gfx/loading.lmp");
Draw_Pic((320 - pic->width) / 2, (240 - 48 - pic->height) / 2, pic); //johnfitz -- stretched menus
scr_tileclear_updates = 0; //johnfitz
}
/*
==============
SCR_DrawCrosshair -- johnfitz
==============
*/
void SCR_DrawCrosshair(void)
{
if(!crosshair.value)
return;
GL_SetCanvas(CANVAS_CROSSHAIR);
Draw_Character(-4, -4, '+'); //0,0 is center of viewport
}
//=============================================================================
/*
==================
SCR_SetUpToDrawConsole
==================
*/
void SCR_SetUpToDrawConsole(void)
{
//johnfitz -- let's hack away the problem of slow console when host_timescale is <0
extern cvar_t host_timescale;
float timescale;
//johnfitz
Con_CheckResize();
if(scr_drawloading)
return; // never a console with loading plaque
// decide on the height of the console
con_forcedup = !cl.worldmodel || cls.signon != SIGNONS;
if(con_forcedup)
{
scr_conlines = glheight; //full screen //johnfitz -- glheight instead of vid.height
scr_con_current = scr_conlines;
}
else if(key_dest == key_console)
scr_conlines = glheight / 2; //half screen //johnfitz -- glheight instead of vid.height
else
scr_conlines = 0; //none visible
timescale = (host_timescale.value > 0) ? host_timescale.value : 1; //johnfitz -- timescale
if(scr_conlines < scr_con_current)
{
// ericw -- (glheight/600.0) factor makes conspeed resolution independent, using 800x600 as a baseline
scr_con_current -= scr_conspeed.value * (glheight / 600.0) * host_frametime / timescale; //johnfitz -- timescale
if(scr_conlines > scr_con_current)
scr_con_current = scr_conlines;
}
else if(scr_conlines > scr_con_current)
{
// ericw -- (glheight/600.0)
scr_con_current += scr_conspeed.value * (glheight / 600.0) * host_frametime / timescale; //johnfitz -- timescale
if(scr_conlines < scr_con_current)
scr_con_current = scr_conlines;
}
if(clearconsole++ < vid.numpages)
Sbar_Changed();
if(!con_forcedup && scr_con_current)
scr_tileclear_updates = 0; //johnfitz
}
/*
==================
SCR_DrawConsole
==================
*/
void SCR_DrawConsole(void)
{
if(scr_con_current)
{
Con_DrawConsole(scr_con_current, true);
clearconsole = 0;
}
else
{
if(key_dest == key_game || key_dest == key_message)
Con_DrawNotify(); // only draw notify in game
}
}
/*
==============================================================================
SCREEN SHOTS
==============================================================================
*/
static void SCR_ScreenShot_Usage(void)
{
Con_Printf("usage: screenshot <format> <quality>\n");
Con_Printf(" format must be \"png\" or \"tga\" or \"jpg\"\n");
Con_Printf(" quality must be 1-100\n");
return;
}
/*
==================
SCR_ScreenShot_f -- johnfitz -- rewritten to use Image_WriteTGA
==================
*/
void SCR_ScreenShot_f(void)
{
byte *buffer;
char ext[4] = "png";
char imagename[16]; //johnfitz -- was [80]
char checkname[MAX_OSPATH];
int32_t i, quality;
bool ok;
if(Cmd_Argc() >= 2)
{
const char *requested_ext = Cmd_Argv(1);
if(!q_strcasecmp("png", requested_ext) ||
!q_strcasecmp("tga", requested_ext) ||
!q_strcasecmp("jpg", requested_ext))
strncpy(ext, requested_ext, strsizeof(ext));
else
{
SCR_ScreenShot_Usage();
return;
}
}
// read quality as the 3rd param (only used for JPG)
quality = 90;
if(Cmd_Argc() >= 3)
quality = atoi(Cmd_Argv(2));
if(quality < 1 || quality > 100)
{
SCR_ScreenShot_Usage();
return;
}
// find a file name to save it to
for(i = 0; i < 10000; i++)
{
q_snprintf(imagename, sizeof(imagename), ENGINE_NAME "%04" PRIi32 ".%s", i, ext);
q_snprintf(checkname, sizeof(checkname), "%s/%s", com_gamedir, imagename);
if(Sys_FileTime(checkname) == -1)
break; // file doesn't exist
}
if(i == 10000)
{
Con_Printf("SCR_ScreenShot_f: Couldn't find an unused filename\n");
return;
}
//get data
if(!(buffer = (byte *) malloc(glwidth * glheight * 3)))
{
Con_Printf("SCR_ScreenShot_f: Couldn't allocate memory\n");
return;
}
glPixelStorei(GL_PACK_ALIGNMENT, 1); /* for widths that aren't a multiple of 4 */
glReadPixels(glx, gly, glwidth, glheight, GL_RGB, GL_UNSIGNED_BYTE, buffer);
// now write the file
if(!q_strncasecmp(ext, "png", sizeof(ext)))
ok = Image_WritePNG(imagename, buffer, glwidth, glheight, 24, false);
else if(!q_strncasecmp(ext, "tga", sizeof(ext)))
ok = Image_WriteTGA(imagename, buffer, glwidth, glheight, 24, false);
else if(!q_strncasecmp(ext, "jpg", sizeof(ext)))
ok = Image_WriteJPG(imagename, buffer, glwidth, glheight, 24, quality, false);
else
ok = false;
if(ok)
Con_Printf("Wrote %s\n", imagename);
else
Con_Printf("SCR_ScreenShot_f: Couldn't create %s\n", imagename);
free(buffer);
}
//=============================================================================
/*
===============
SCR_BeginLoadingPlaque
================
*/
void SCR_BeginLoadingPlaque(void)
{
S_StopAllSounds(true);
if(cls.state != ca_connected)
return;
if(cls.signon != SIGNONS)
return;
// redraw with no console and the loading plaque
Con_ClearNotify();
scr_centertime_off = 0;
scr_con_current = 0;
scr_drawloading = true;
Sbar_Changed();
SCR_UpdateScreen();
scr_drawloading = false;
scr_disabled_for_loading = true;
scr_disabled_time = realtime;
}
/*
===============
SCR_EndLoadingPlaque
================
*/
void SCR_EndLoadingPlaque(void)
{
scr_disabled_for_loading = false;
Con_ClearNotify();
}
//=============================================================================
const char *scr_notifystring;
bool scr_drawdialog;
void SCR_DrawNotifyString(void)
{
const char *start;
int32_t l;
int32_t j;
int32_t x, y;
GL_SetCanvas(CANVAS_MENU); //johnfitz
start = scr_notifystring;
y = 200 * 0.35; //johnfitz -- stretched overlays
do
{
// scan the width of the line
for(l = 0 ; l < 40 ; l++)
if(start[l] == '\n' || !start[l])
break;
x = (320 - l * 8) / 2; //johnfitz -- stretched overlays
for(j = 0 ; j < l ; j++, x += 8)
Draw_Character(x, y, start[j]);
y += 8;
while(*start && *start != '\n')
start++;
if(!*start)
break;
start++; // skip the \n
}
while(1);
}
/*
==================
SCR_ModalMessage
Displays a text string in the center of the screen and waits for a Y or N
keypress.
==================
*/
int32_t SCR_ModalMessage(const char *text, float timeout) //johnfitz -- timeout
{
double time1, time2; //johnfitz -- timeout
int32_t lastkey, lastchar;
if(cls.state == ca_dedicated)
return true;
scr_notifystring = text;
// draw a fresh screen
scr_drawdialog = true;
SCR_UpdateScreen();
scr_drawdialog = false;
S_ClearBuffer(); // so dma doesn't loop current sound
time1 = Sys_DoubleTime() + timeout; //johnfitz -- timeout
time2 = 0.0f; //johnfitz -- timeout
Key_BeginInputGrab();
do
{
Sys_SendKeyEvents();
Key_GetGrabbedInput(&lastkey, &lastchar);
Sys_Sleep(16);
if(timeout) time2 = Sys_DoubleTime(); //johnfitz -- zero timeout means wait forever.
}
while(lastchar != 'y' && lastchar != 'Y' &&
lastchar != 'n' && lastchar != 'N' &&
lastkey != K_ESCAPE &&
lastkey != K_ABUTTON &&
lastkey != K_BBUTTON &&
time2 <= time1);
Key_EndInputGrab();
// SCR_UpdateScreen (); //johnfitz -- commented out
//johnfitz -- timeout
if(time2 > time1)
return false;
//johnfitz
return (lastchar == 'y' || lastchar == 'Y' || lastkey == K_ABUTTON);
}
//=============================================================================
//johnfitz -- deleted SCR_BringDownConsole
/*
==================
SCR_TileClear
johnfitz -- modified to use glwidth/glheight instead of vid.width/vid.height
also fixed the dimentions of right and top panels
also added scr_tileclear_updates
==================
*/
void SCR_TileClear(void)
{
//ericw -- added check for glsl gamma. TODO: remove this ugly optimization?
if(scr_tileclear_updates >= vid.numpages && !gl_clear.value && !(gl_glsl_gamma_able && vid_gamma.value != 1))
return;
scr_tileclear_updates++;
if(r_refdef.vrect.x > 0)
{
// left
Draw_TileClear(0,
0,
r_refdef.vrect.x,
glheight - sb_lines);
// right
Draw_TileClear(r_refdef.vrect.x + r_refdef.vrect.width,
0,
glwidth - r_refdef.vrect.x - r_refdef.vrect.width,
glheight - sb_lines);
}
if(r_refdef.vrect.y > 0)
{
// top
Draw_TileClear(r_refdef.vrect.x,
0,
r_refdef.vrect.width,
r_refdef.vrect.y);
// bottom
Draw_TileClear(r_refdef.vrect.x,
r_refdef.vrect.y + r_refdef.vrect.height,
r_refdef.vrect.width,
glheight - r_refdef.vrect.y - r_refdef.vrect.height - sb_lines);
}
}
/*
==================
SCR_UpdateScreen
This is called every frame, and can also be called explicitly to flush
text to the screen.
WARNING: be very careful calling this from elsewhere, because the refresh
needs almost the entire 256k of stack space!
==================
*/
void SCR_UpdateScreen(void)
{
vid.numpages = (gl_triplebuffer.value) ? 3 : 2;
if(scr_disabled_for_loading)
{
if(realtime - scr_disabled_time > 60)
{
scr_disabled_for_loading = false;
Con_Printf("load failed.\n");
}
else
return;
}
if(!scr_initialized || !con_initialized)
return; // not initialized yet
GL_BeginRendering(&glx, &gly, &glwidth, &glheight);
//
// determine size of refresh window
//
if(vid.recalc_refdef)
SCR_CalcRefdef();
//
// do 3D refresh drawing, and then update the screen
//
SCR_SetUpToDrawConsole();
V_RenderView();
GL_Set2D();
//FIXME: only call this when needed
SCR_TileClear();
if(scr_drawdialog) //new game confirm
{
if(con_forcedup)
Draw_ConsoleBackground();
else
Sbar_Draw();
Draw_FadeScreen();
SCR_DrawNotifyString();
}
else if(scr_drawloading) //loading
{
SCR_DrawLoading();
Sbar_Draw();
}
else if(cl.intermission == 1 && key_dest == key_game) //end of level
{
Sbar_IntermissionOverlay();
}
else if(cl.intermission == 2 && key_dest == key_game) //end of episode
{
Sbar_FinaleOverlay();
SCR_CheckDrawCenterString();
}
else
{
SCR_DrawCrosshair(); //johnfitz
SCR_DrawRam();
SCR_DrawNet();
SCR_DrawTurtle();
SCR_DrawPause();
SCR_CheckDrawCenterString();
Sbar_Draw();
SCR_DrawDevStats(); //johnfitz
SCR_DrawFPS(); //johnfitz
SCR_DrawClock(); //johnfitz
SCR_DrawConsole();
M_Draw();
}
V_UpdateBlend(); //johnfitz -- V_UpdatePalette cleaned up and renamed
GLSLGamma_GammaCorrect();
GL_EndRendering();
}
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