/* screen.c master for refresh, status bar, console, chat, notify, etc Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif static __attribute__ ((unused)) const char rcsid[] = "$Id$"; #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #include "QF/cmd.h" #include "QF/console.h" #include "QF/cvar.h" #include "QF/draw.h" #include "QF/pcx.h" #include "QF/render.h" #include "QF/screen.h" #include "QF/sys.h" #include "QF/texture.h" #include "compat.h" #include "r_cvar.h" #include "r_local.h" #include "r_screen.h" #include "sbar.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 always 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 oldfov; int oldsbar; qboolean scr_initialized; // ready to draw qpic_t *scr_ram; qpic_t *scr_net; qpic_t *scr_turtle; int scr_fullupdate; int clearconsole; int clearnotify; viddef_t vid; // global video state vrect_t *pconupdate; vrect_t scr_vrect; qboolean scr_skipupdate; qboolean block_drawing; /* 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) { strncpy (scr_centerstring, str, sizeof (scr_centerstring) - 1); scr_centertime_off = scr_centertime->value; scr_centertime_start = r_realtime; // count the number of lines for centering scr_center_lines = 1; while (*str) { if (*str == '\n') scr_center_lines++; str++; } } static void SCR_DrawCenterString (void) { char *start; int remaining, j, l, x, y; // the finale prints the characters one at a time if (r_force_fullscreen /* FIXME: better test */) remaining = scr_printspeed->value * (r_realtime - scr_centertime_start); else remaining = 9999; scr_erase_center = 0; start = scr_centerstring; if (scr_center_lines <= 4) y = vid.height * 0.35; else y = 48; do { // scan the width of the line for (l = 0; l < 40; l++) if (start[l] == '\n' || !start[l]) break; x = (vid.width - l * 8) / 2; for (j = 0; j < l; j++, x += 8) { Draw_Character (x, y, start[j]); if (!remaining--) return; } y += 8; while (*start && *start != '\n') start++; if (!*start) break; start++; // skip the \n } while (1); } void SCR_CheckDrawCenterString (void) { scr_copytop = 1; if (scr_center_lines > scr_erase_lines) scr_erase_lines = scr_center_lines; scr_centertime_off -= r_frametime; if (scr_centertime_off <= 0 && !r_force_fullscreen /*FIXME: better test*/) return; if (key_dest != key_game) return; SCR_DrawCenterString (); } float CalcFov (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 * (M_PI / 360)); a = (x == 0) ? 90 : atan (height / x); // 0 shouldn't happen a = a * (360 / M_PI); return a; } /* SCR_SizeUp_f Keybinding command */ static void SCR_SizeUp_f (void) { if (scr_viewsize->int_val < 120) { Cvar_SetValue (scr_viewsize, scr_viewsize->int_val + 10); vid.recalc_refdef = 1; } } /* SCR_SizeDown_f Keybinding command */ static void SCR_SizeDown_f (void) { Cvar_SetValue (scr_viewsize, scr_viewsize->int_val - 10); vid.recalc_refdef = 1; } void SCR_DrawRam (void) { if (!scr_showram->int_val) return; if (!r_cache_thrash) return; Draw_Pic (scr_vrect.x + 32, scr_vrect.y, scr_ram); } void SCR_DrawTurtle (void) { static int count; if (!scr_showturtle->int_val) return; if (r_frametime < 0.1) { count = 0; return; } count++; if (count < 3) return; Draw_Pic (scr_vrect.x, scr_vrect.y, scr_turtle); } void SCR_DrawPause (void) { qpic_t *pic; if (!scr_showpause->int_val) // turn off for screenshots return; if (!r_paused) return; pic = Draw_CachePic ("gfx/pause.lmp", true); Draw_Pic ((vid.width - pic->width) / 2, (vid.height - 48 - pic->height) / 2, pic); } void SCR_SetUpToDrawConsole (void) { // decide on the height of the console if (!r_active) { scr_conlines = vid.height; // full screen scr_con_current = scr_conlines; } else if (key_dest == key_console) scr_conlines = vid.height * bound (0.2, scr_consize->value, 1); else scr_conlines = 0; // none visible if (scr_con_current >= vid.height - r_lineadj) scr_copyeverything = 1; if (scr_conlines < scr_con_current) { scr_con_current -= scr_conspeed->value * r_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 * r_frametime; if (scr_conlines < scr_con_current) scr_con_current = scr_conlines; } if (scr_con_current >= vid.height - r_lineadj) scr_copyeverything = 1; if (clearconsole++ < vid.numpages) Sbar_Changed (); } void SCR_DrawConsole (void) { Con_DrawConsole (scr_con_current); } /* Find closest color in the palette for named color */ int MipColor (int r, int g, int b) { float bestdist, dist; int r1, g1, b1, i; int best = 0; static int lastbest; static int lr = -1, lg = -1, lb = -1; if (r == lr && g == lg && b == lb) return lastbest; bestdist = 256 * 256 * 3; for (i = 0; i < 256; i++) { int j; j = i * 3; r1 = vid.palette[j] - r; g1 = vid.palette[j + 1] - g; b1 = vid.palette[j + 2] - b; dist = r1 * r1 + g1 * g1 + b1 * b1; if (dist < bestdist) { bestdist = dist; best = i; } } lr = r; lg = g; lb = b; lastbest = best; return best; } // in draw.c static void SCR_DrawCharToSnap (int num, byte * dest, int width) { byte *source; int col, row, drawline, x; row = num >> 4; col = num & 15; source = draw_chars + (row << 10) + (col << 3); drawline = 8; while (drawline--) { for (x = 0; x < 8; x++) if (source[x]) dest[x] = source[x]; else dest[x] = 98; source += 128; dest -= width; } } void SCR_DrawStringToSnap (const char *s, tex_t *tex, int x, int y) { byte *dest; byte *buf = tex->data; const unsigned char *p; int width = tex->width; dest = buf + ((y * width) + x); p = (const unsigned char *) s; while (*p) { SCR_DrawCharToSnap (*p++, dest, width); dest += 8; } } void SCR_Init (void) { // register our commands Cmd_AddCommand ("screenshot", SCR_ScreenShot_f, "Take a screenshot, " "saves as qfxxx.pcx in the current directory"); Cmd_AddCommand ("sizeup", SCR_SizeUp_f, "Increases the screen size"); Cmd_AddCommand ("sizedown", SCR_SizeDown_f, "Decreases the screen size"); scr_ram = Draw_PicFromWad ("ram"); scr_net = Draw_PicFromWad ("net"); scr_turtle = Draw_PicFromWad ("turtle"); scr_initialized = true; }