/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others Copyright (C) 2007-2008 Kristian Duske This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // screen.c -- master for refresh, status bar, console, chat, notify, etc #include "quakedef.h" /* background clear rendering turtle/net/ram icons sbar centerprint / slow centerprint notify lines intermission / finale overlay loading plaque console menu required background clears required update regions syncronous draw mode or async One off screen buffer, with updates either copied or xblited Need to double buffer? async draw will require the refresh area to be cleared, because it will be xblited, but sync draw can just ignore it. sync draw CenterPrint () SlowPrint () Screen_Update (); Con_Printf (); net turn off messages option the refresh is allways rendered, unless the console is full screen console is: notify lines half full */ int glx, gly, glwidth, glheight; float scr_con_current; float scr_conlines; // lines of console to display float oldscreensize, oldfov, oldsbarscale, oldsbaralpha; //johnfitz -- added oldsbarscale and oldsbaralpha //johnfitz -- new cvars cvar_t scr_menuscale = {"scr_menuscale", "1", true}; cvar_t scr_sbarscale = {"scr_sbarscale", "1", true}; cvar_t scr_sbaralpha = {"scr_sbaralpha", "0.95", true}; cvar_t scr_conwidth = {"scr_conwidth", "0", true}; cvar_t scr_conscale = {"scr_conscale", "1", true}; cvar_t scr_scale = {"scr_scale", "1", true}; cvar_t scr_crosshaircale = {"scr_crosshaircale", "1", true}; cvar_t scr_showfps = {"scr_showfps", "0"}; cvar_t scr_clock = {"scr_clock", "0"}; //johnfitz cvar_t scr_viewsize = {"viewsize","100", true}; cvar_t scr_fov = {"fov","90"}; // 10 - 170 cvar_t scr_conspeed = {"scr_conspeed","500",true}; 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"}; cvar_t gl_triplebuffer = {"gl_triplebuffer", "1", true }; extern cvar_t crosshair; qboolean scr_initialized; // ready to draw qpic_t *scr_ram; qpic_t *scr_net; qpic_t *scr_turtle; int clearconsole; int clearnotify; vrect_t scr_vrect; qboolean scr_disabled_for_loading; qboolean scr_drawloading; float scr_disabled_time; qboolean block_drawing; int 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; int scr_center_lines; int scr_erase_lines; int scr_erase_center; /* ============== SCR_CenterPrint Called for important messages that should stay in the center of the screen for a few moments ============== */ void SCR_CenterPrint (const char *str) //update centerprint data { strncpy (scr_centerstring, str, sizeof(scr_centerstring)-1); scr_centertime_off = scr_centertime.value; scr_centertime_start = cl.time; // count the number of lines for centering scr_center_lines = 1; while (*str) { if (*str == '\n') scr_center_lines++; str++; } } void SCR_DrawCenterString (void) //actually do the drawing { char *start; int l; int j; int x, y; int remaining; GL_SetCanvas (CANVAS_MENU); //johnfitz // the finale prints the characters one at a time if (cl.intermission) remaining = scr_printspeed.value * (cl.time - scr_centertime_start); else remaining = 9999; scr_erase_center = 0; start = scr_centerstring; if (scr_center_lines <= 4) y = 200*0.35; //johnfitz -- 320x200 coordinate system else y = 48; 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 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 (); } //============================================================================= /* ==================== CalcFovy ==================== */ float CalcFovy (float fov_x, float width, float height) { float a, x; if (fov_x < 1 || fov_x > 179) Sys_Error ("Bad fov: %f", fov_x); x = width/tan(fov_x/360*M_PI); a = atan (height/x); a = a*360/M_PI; return a; } /* ================= SCR_CalcRefdef Must be called whenever vid changes Internal use only ================= */ static void SCR_CalcRefdef (void) { float size, scale; //johnfitz -- scale vid.recalc_refdef = 0; // force the status bar to redraw Sbar_Changed (); scr_tileclear_updates = 0; //johnfitz // bound viewsize if (scr_viewsize.value < 30) Cvar_Set ("viewsize","30"); if (scr_viewsize.value > 120) Cvar_Set ("viewsize","120"); // bound fov if (scr_fov.value < 10) Cvar_Set ("fov","10"); if (scr_fov.value > 170) Cvar_Set ("fov","170"); //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 = fmin(scr_viewsize.value, 100) / 100; //johnfitz //johnfitz -- rewrote this section r_refdef.vrect.width = fmax(glwidth * size, 96); //no smaller than 96, for icons r_refdef.vrect.height = fmin(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 = scr_fov.value; 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_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_Conwidth_f -- johnfitz -- called when scr_conwidth or scr_conscale changes ================== */ void SCR_Conwidth_f (void) { vid.conwidth = (scr_conwidth.value > 0) ? (int)scr_conwidth.value : (scr_conscale.value > 0) ? (int)(vid.width/scr_conscale.value) : vid.width; vid.conwidth = CLAMP (320, vid.conwidth, vid.width); vid.conwidth &= 0xFFFFFFF8; vid.conheight = vid.conwidth * vid.height / vid.width; } //============================================================================ /* ================== SCR_LoadPics -- johnfitz ================== */ void SCR_LoadPics (void) { scr_ram = Draw_PicFromWad ("ram"); scr_net = Draw_PicFromWad ("net"); scr_turtle = Draw_PicFromWad ("turtle"); } /* ================== SCR_Init ================== */ void SCR_Init (void) { //johnfitz -- new cvars Cvar_RegisterVariable (&scr_menuscale, NULL); Cvar_RegisterVariable (&scr_sbarscale, NULL); Cvar_RegisterVariable (&scr_sbaralpha, NULL); Cvar_RegisterVariable (&scr_conwidth, &SCR_Conwidth_f); Cvar_RegisterVariable (&scr_conscale, &SCR_Conwidth_f); Cvar_RegisterVariable (&scr_scale, NULL); Cvar_RegisterVariable (&scr_crosshaircale, NULL); Cvar_RegisterVariable (&scr_showfps, NULL); Cvar_RegisterVariable (&scr_clock, NULL); //johnfitz Cvar_RegisterVariable (&scr_fov, NULL); Cvar_RegisterVariable (&scr_viewsize, NULL); Cvar_RegisterVariable (&scr_conspeed, NULL); Cvar_RegisterVariable (&scr_showram, NULL); Cvar_RegisterVariable (&scr_showturtle, NULL); Cvar_RegisterVariable (&scr_showpause, NULL); Cvar_RegisterVariable (&scr_centertime, NULL); Cvar_RegisterVariable (&scr_printspeed, NULL); Cvar_RegisterVariable (&gl_triplebuffer, NULL); 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, fps = 0; static int oldframecount = 0; double time; char str[12]; int x, y, frames; time = realtime - oldtime; frames = r_framecount - oldframecount; if (time < 0 || frames < 0) { oldtime = realtime; oldframecount = r_framecount; return; } if (time > 0.75) //update value every 3/4 second { fps = frames / time; oldtime = realtime; oldframecount = r_framecount; } if (scr_showfps.value) //draw it { sprintf (str, "%4.0f fps", fps); x = 320 - (strlen(str)<<3); y = 200 - 8; if (scr_clock.value) y -= 8; //make room for clock GL_SetCanvas (CANVAS_BOTTOMRIGHT); Draw_String (x, y, str); scr_tileclear_updates = 0; } } /* ============== SCR_DrawClock -- johnfitz ============== */ void SCR_DrawClock (void) { char str[9]; if (scr_clock.value == 1) { int minutes, seconds; minutes = cl.time / 60; seconds = ((int)cl.time)%60; sprintf (str,"%i:%i%i", minutes, seconds/10, seconds%10); } else return; //draw it GL_SetCanvas (CANVAS_BOTTOMRIGHT); Draw_String (320 - (strlen(str)<<3), 200 - 8, str); scr_tileclear_updates = 0; } /* ============== SCR_DrawDevStats ============== */ void SCR_DrawDevStats (void) { char str[40]; int y = 25-9; //9=number of lines to print int x = 0; //margin if (!devstats.value) return; GL_SetCanvas (CANVAS_BOTTOMLEFT); Draw_Fill (x, y*8, 19*8, 9*8, 0, 0.5); //dark rectangle sprintf (str, "devstats |Curr Peak"); Draw_String (x, (y++)*8-x, str); sprintf (str, "---------+---------"); Draw_String (x, (y++)*8-x, str); sprintf (str, "Edicts |%4i %4i", dev_stats.edicts, dev_peakstats.edicts); Draw_String (x, (y++)*8-x, str); sprintf (str, "Packet |%4i %4i", dev_stats.packetsize, dev_peakstats.packetsize); Draw_String (x, (y++)*8-x, str); sprintf (str, "Visedicts|%4i %4i", dev_stats.visedicts, dev_peakstats.visedicts); Draw_String (x, (y++)*8-x, str); sprintf (str, "Efrags |%4i %4i", dev_stats.efrags, dev_peakstats.efrags); Draw_String (x, (y++)*8-x, str); sprintf (str, "Dlights |%4i %4i", dev_stats.dlights, dev_peakstats.dlights); Draw_String (x, (y++)*8-x, str); sprintf (str, "Beams |%4i %4i", dev_stats.beams, dev_peakstats.beams); Draw_String (x, (y++)*8-x, str); sprintf (str, "Tempents |%4i %4i", dev_stats.tempents, dev_peakstats.tempents); Draw_String (x, (y++)*8-x, str); } /* ============== SCR_DrawRam ============== */ void SCR_DrawRam (void) { if (!scr_showram.value) return; if (!r_cache_thrash) return; GL_SetCanvas (CANVAS_DEFAULT); //johnfitz Draw_Pic (scr_vrect.x+32, scr_vrect.y, scr_ram); } /* ============== SCR_DrawTurtle ============== */ void SCR_DrawTurtle (void) { static int count; if (!scr_showturtle.value) return; if (host_frametime < 0.1) { count = 0; return; } count++; if (count < 3) return; GL_SetCanvas (CANVAS_DEFAULT); //johnfitz Draw_Pic (scr_vrect.x, scr_vrect.y, scr_turtle); } /* ============== SCR_DrawNet ============== */ void SCR_DrawNet (void) { if (realtime - cl.last_received_message < 0.3) return; if (cls.demoplayback) return; GL_SetCanvas (CANVAS_DEFAULT); //johnfitz Draw_Pic (scr_vrect.x+64, scr_vrect.y, scr_net); } /* ============== DrawPause ============== */ void SCR_DrawPause (void) { qpic_t *pic; if (!cl.paused) return; if (!scr_showpause.value) // turn off for screenshots return; GL_SetCanvas (CANVAS_MENU); //johnfitz 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) { scr_con_current -= scr_conspeed.value*host_frametime/timescale; //johnfitz -- timescale 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/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 ============================================================================== */ /* ================== SCR_ScreenShot_f -- johnfitz -- rewritten to use Image_WriteTGA ================== */ void SCR_ScreenShot_f (void) { byte *buffer; char tganame[16]; //johnfitz -- was [80] char checkname[MAX_OSPATH]; int i; // find a file name to save it to for (i=0; i<10000; i++) { sprintf (tganame, "spasm%04i.tga", i); // "fitz%04i.tga" sprintf (checkname, "%s/%s", com_gamedir, tganame); 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 buffer = (byte *) malloc(glwidth*glheight*3); glReadPixels (glx, gly, glwidth, glheight, GL_RGB, GL_UNSIGNED_BYTE, buffer); // now write the file if (Image_WriteTGA (tganame, buffer, glwidth, glheight, 24, false)) Con_Printf ("Wrote %s\n", tganame); else Con_Printf ("SCR_ScreenShot_f: Couldn't create a TGA file\n"); free (buffer); } //============================================================================= /* =============== SCR_BeginLoadingPlaque ================ */ void SCR_BeginLoadingPlaque (void) { S_StopAllSounds (true); if (cls.state != ca_connected) return; if (cls.signon != SIGNONS) return; // redraw with no console and the loading plaque Con_ClearNotify (); scr_centertime_off = 0; scr_con_current = 0; scr_drawloading = true; Sbar_Changed (); SCR_UpdateScreen (); scr_drawloading = false; scr_disabled_for_loading = true; scr_disabled_time = realtime; } /* =============== SCR_EndLoadingPlaque ================ */ void SCR_EndLoadingPlaque (void) { scr_disabled_for_loading = false; Con_ClearNotify (); } //============================================================================= const char *scr_notifystring; qboolean scr_drawdialog; void SCR_DrawNotifyString (void) { const char *start; int l; int j; int x, y; GL_SetCanvas (CANVAS_MENU); //johnfitz start = scr_notifystring; y = 200 * 0.35; //johnfitz -- stretched overlays do { // scan the width of the line for (l=0 ; l<40 ; l++) if (start[l] == '\n' || !start[l]) break; x = (320 - l*8)/2; //johnfitz -- stretched overlays for (j=0 ; j time1) return false; //johnfitz return key_lastpress == 'y'; } //============================================================================= //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) { if (scr_tileclear_updates >= vid.numpages && !gl_clear.value && !isIntelVideo) //intel video workarounds from Baker 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) { if (block_drawing) return; vid.numpages = 2 + (gl_triplebuffer.value ? 1 : 0); //johnfitz -- in case gl_triplebuffer is not 0 or 1 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 (oldfov != scr_fov.value) { oldfov = scr_fov.value; vid.recalc_refdef = true; } if (oldscreensize != scr_viewsize.value) { oldscreensize = scr_viewsize.value; vid.recalc_refdef = true; } //johnfitz -- added oldsbarscale and oldsbaralpha if (oldsbarscale != scr_sbarscale.value) { oldsbarscale = scr_sbarscale.value; vid.recalc_refdef = true; } if (oldsbaralpha != scr_sbaralpha.value) { oldsbaralpha = scr_sbaralpha.value; vid.recalc_refdef = true; } //johnfitz 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 { 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 GL_EndRendering (); }