From 0023db327bc1db00068284b70e1db45857aeee35 Mon Sep 17 00:00:00 2001 From: Travis Bradshaw Date: Tue, 31 Jan 2012 14:32:09 -0600 Subject: The Quake sources as originally release under the GPL license on December 21, 1999 --- QW/client/screen.c | 1176 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1176 insertions(+) create mode 100644 QW/client/screen.c (limited to 'QW/client/screen.c') diff --git a/QW/client/screen.c b/QW/client/screen.c new file mode 100644 index 0000000..7f5d470 --- /dev/null +++ b/QW/client/screen.c @@ -0,0 +1,1176 @@ +/* +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 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"}; +cvar_t scr_allowsnap = {"scr_allowsnap", "1"}; + +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_skipupdate; + +qboolean block_drawing; + +void SCR_ScreenShot_f (void); +void SCR_RSShot_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); + Cvar_RegisterVariable (&scr_allowsnap); + +// +// register our commands +// + Cmd_AddCommand ("screenshot",SCR_ScreenShot_f); + Cmd_AddCommand ("snap",SCR_RSShot_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 (cls.netchan.outgoing_sequence - cls.netchan.incoming_acknowledged < UPDATE_BACKUP-1) + return; + if (cls.demoplayback) + return; + + Draw_Pic (scr_vrect.x+64, scr_vrect.y, scr_net); +} + +void SCR_DrawFPS (void) +{ + extern cvar_t show_fps; + static double lastframetime; + double t; + extern int fps_count; + static 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; + } + + sprintf(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_SetUpToDrawConsole +================== +*/ +void SCR_SetUpToDrawConsole (void) +{ + Con_CheckResize (); + +// decide on the height of the console + if (cls.state != ca_active) + { + 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; + 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; + 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); + clearconsole = 0; + } + else + { + if (key_dest == key_game || key_dest == key_message) + Con_DrawNotify (); // only draw notify in game + } +} + + +/* +============================================================================== + + SCREEN SHOTS + +============================================================================== +*/ + + +/* +============== +WritePCXfile +============== +*/ +void WritePCXfile (char *filename, byte *data, int width, int height, + int rowbytes, byte *palette, qboolean upload) +{ + 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>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, byte *buf, int x, int y, int width) +{ + byte *dest; + const unsigned char *p; + + dest = buf + ((y * width) + x); + + p = (const unsigned char *)s; + while (*p) { + SCR_DrawCharToSnap(*p++, dest, width); + dest += 8; + } +} + + +/* +================== +SCR_RSShot_f +================== +*/ +void SCR_RSShot_f (void) +{ + int i, x, y; + unsigned char *src, *dest; + char pcxname[80]; + char checkname[MAX_OSPATH]; + unsigned char *newbuf, *srcbuf; + int srcrowbytes; + int w, h; + int dx, dy, dex, dey, nx; + int r, b, g; + int count; + float fracw, frach; + char st[80]; + time_t now; + + if (CL_IsUploading()) + return; // already one pending + + if (cls.state < ca_onserver) + return; // gotta be connected + + if (!scr_allowsnap.value) { + MSG_WriteByte (&cls.netchan.message, clc_stringcmd); + SZ_Print (&cls.netchan.message, "snap\n"); + Con_Printf("Refusing remote screen shot request.\n"); + return; + } + + Con_Printf("Remote screen shot requested.\n"); + +#if 0 +// +// find a file name to save it to +// + strcpy(pcxname,"mquake00.pcx"); + + for (i=0 ; i<=99 ; i++) + { + pcxname[6] = i/10 + '0'; + pcxname[7] = i%10 + '0'; + sprintf (checkname, "%s/%s", com_gamedir, pcxname); + if (Sys_FileTime(checkname) == -1) + break; // file doesn't exist + } + if (i==100) + { + Con_Printf ("SCR_ScreenShot_f: Couldn't create a PCX"); + return; + } +#endif + +// +// save the pcx file +// + D_EnableBackBufferAccess (); // enable direct drawing of console to back + // buffer + + w = (vid.width < RSSHOT_WIDTH) ? vid.width : RSSHOT_WIDTH; + h = (vid.height < RSSHOT_HEIGHT) ? vid.height : RSSHOT_HEIGHT; + + fracw = (float)vid.width / (float)w; + frach = (float)vid.height / (float)h; + + newbuf = malloc(w*h); + + for (y = 0; y < h; y++) { + dest = newbuf + (w * y); + + for (x = 0; x < w; x++) { + r = g = b = 0; + + dx = x * fracw; + dex = (x + 1) * fracw; + if (dex == dx) dex++; // at least one + dy = y * frach; + dey = (y + 1) * frach; + if (dey == dy) dey++; // at least one + + count = 0; + for (/* */; dy < dey; dy++) { + src = vid.buffer + (vid.rowbytes * dy) + dx; + for (nx = dx; nx < dex; nx++) { + r += host_basepal[*src * 3]; + g += host_basepal[*src * 3+1]; + b += host_basepal[*src * 3+2]; + src++; + count++; + } + } + r /= count; + g /= count; + b /= count; + *dest++ = MipColor(r, g, b); + } + } + + time(&now); + strcpy(st, ctime(&now)); + st[strlen(st) - 1] = 0; + SCR_DrawStringToSnap (st, newbuf, w - strlen(st)*8, 0, w); + + strncpy(st, cls.servername, sizeof(st)); + st[sizeof(st) - 1] = 0; + SCR_DrawStringToSnap (st, newbuf, w - strlen(st)*8, 10, w); + + strncpy(st, name.string, sizeof(st)); + st[sizeof(st) - 1] = 0; + SCR_DrawStringToSnap (st, newbuf, w - strlen(st)*8, 20, w); + + WritePCXfile (pcxname, newbuf, w, h, w, host_basepal, true); + + free(newbuf); + + D_DisableBackBufferAccess (); // for adapters that can't stay mapped in + // for linear writes all the time + +// Con_Printf ("Wrote %s\n", pcxname); + Con_Printf ("Sending shot to server...\n"); +} + + +//============================================================================= + +char *scr_notifystring; +qboolean scr_drawdialog; + +void SCR_DrawNotifyString (void) +{ + char *start; + int l; + int j; + int x, y; + + start = scr_notifystring; + + y = vid.height*0.35; + + 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