/* Copyright (C) 1996-1997 Id Software, Inc. Portions Copyright (C) 1999,2000 Nelson Rush. Copyright (C) 1999,2000 contributors of the QuakeForge project Please see the file "AUTHORS" for a list of contributors 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" #include /* 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 */ // 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; float oldsbar; 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; int sb_lines; 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, min(8*scr_erase_lines, vid.height - y - 1)); } 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 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) { if (scr_viewsize.value < 120) { 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 = W_GetLumpName ("ram"); scr_net = W_GetLumpName ("net"); scr_turtle = W_GetLumpName ("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); } /* =============== SCR_DrawFPS Backported by Jules Bean from quakeworld client =============== */ void SCR_DrawFPS (void) { extern cvar_t show_fps; static double lastframetime; double t; extern int fps_count; static int lastfps; int x, y; char st[80]; if (!show_fps.value) return; t = Sys_DoubleTime(); if ((t - lastframetime) >= 1.0) { lastfps = fps_count; fps_count = 0; lastframetime = t; } snprintf(st, sizeof(st), "%3d FPS", lastfps); x = vid.width - strlen(st) * 8 - 8; y = vid.height - sb_lines - 8; // Draw_TileClear(x, y, strlen(st) * 8, 8); Draw_String(x, y, st); } /* ============== 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*4; 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*4; 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 60) { scr_disabled_for_loading = false; Con_Printf ("load failed.\n"); } else return; } #ifdef _WIN32 { // don't suck up any cpu if minimized extern int Minimized; if (Minimized) return; } #endif if (cls.state == ca_dedicated) return; 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 (oldsbar != cl_sbar.value) { oldsbar = cl_sbar.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_DrawFPS (); 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 (); }