mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
008d80df67
IMT_DEFAULT to the bottom of the list so that IMT_0 gets written as such rather than IMT_DEFAULT. Also, clean up nq's EF_* dlight creation a bit (haven't touched EF_MUZZLEFLASH: undecided on what to do).
369 lines
7.3 KiB
C
369 lines
7.3 KiB
C
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/*
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cl_demo.c
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@description@
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/qendian.h"
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#include "QF/va.h"
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#include "host.h"
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#include "QF/msg.h"
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#include "client.h"
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#include "compat.h"
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#include "QF/sys.h"
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#include "QF/console.h"
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#include "QF/cmd.h"
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#include "QF/keys.h"
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void CL_FinishTimeDemo (void);
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/*
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DEMO CODE
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When a demo is playing back, all NET_SendMessages are skipped, and
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NET_GetMessages are read from the demo file.
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Whenever cl.time gets past the last received message, another message is
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read from the demo file.
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*/
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/*
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CL_StopPlayback
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Called when a demo file runs out, or the user starts a game
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*/
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void
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CL_StopPlayback (void)
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{
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if (!cls.demoplayback)
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return;
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Qclose (cls.demofile);
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cls.demoplayback = false;
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cls.demofile = NULL;
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CL_SetState (ca_disconnected);
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if (cls.timedemo)
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CL_FinishTimeDemo ();
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}
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/*
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CL_WriteDemoMessage
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Dumps the current net message, prefixed by the length and view angles
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*/
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void
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CL_WriteDemoMessage (void)
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{
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int len;
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int i;
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float f;
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len = LittleLong (net_message->message->cursize);
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Qwrite (cls.demofile, &len, 4);
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for (i = 0; i < 3; i++) {
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f = LittleFloat (cl.viewangles[i]);
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Qwrite (cls.demofile, &f, 4);
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}
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Qwrite (cls.demofile, net_message->message->data,
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net_message->message->cursize);
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Qflush (cls.demofile);
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}
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/*
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CL_GetMessage
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Handles recording and playback of demos, on top of NET_ code
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*/
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int
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CL_GetMessage (void)
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{
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int r, i;
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float f;
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if (cls.demoplayback) {
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// decide if it is time to grab the next message
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if (cls.signon == SIGNONS) // always grab until fully connected
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{
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if (cls.timedemo) {
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if (host_framecount == cls.td_lastframe)
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return 0; // already read this frame's message
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cls.td_lastframe = host_framecount;
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// if this is the second frame, grab the real td_starttime
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// so the bogus time on the first frame doesn't count
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if (host_framecount == cls.td_startframe + 1)
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cls.td_starttime = realtime;
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} else if ( /* cl.time > 0 && */ cl.time <= cl.mtime[0]) {
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return 0; // don't need another message yet
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}
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}
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// get the next message
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Qread (cls.demofile, &net_message->message->cursize, 4);
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VectorCopy (cl.mviewangles[0], cl.mviewangles[1]);
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for (i = 0; i < 3; i++) {
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r = Qread (cls.demofile, &f, 4);
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cl.mviewangles[0][i] = LittleFloat (f);
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}
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net_message->message->cursize =
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LittleLong (net_message->message->cursize);
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if (net_message->message->cursize > MAX_MSGLEN)
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Sys_Error ("Demo message > MAX_MSGLEN");
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r =
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Qread (cls.demofile, net_message->message->data,
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net_message->message->cursize);
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if (r != net_message->message->cursize) {
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CL_StopPlayback ();
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return 0;
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}
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return 1;
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}
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while (1) {
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r = NET_GetMessage (cls.netcon);
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if (r != 1 && r != 2)
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return r;
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// discard nop keepalive message
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if (net_message->message->cursize == 1
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&& net_message->message->data[0] == svc_nop)
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Con_Printf ("<-- server to client keepalive\n");
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else
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break;
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}
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if (cls.demorecording)
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CL_WriteDemoMessage ();
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return r;
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}
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/*
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CL_Stop_f
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stop recording a demo
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*/
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void
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CL_Stop_f (void)
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{
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if (cmd_source != src_command)
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return;
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if (!cls.demorecording) {
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Con_Printf ("Not recording a demo.\n");
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return;
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}
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// write a disconnect message to the demo file
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SZ_Clear (net_message->message);
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MSG_WriteByte (net_message->message, svc_disconnect);
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CL_WriteDemoMessage ();
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// finish up
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Qclose (cls.demofile);
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cls.demofile = NULL;
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cls.demorecording = false;
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Con_Printf ("Completed demo\n");
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}
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/*
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CL_Record_f
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record <demoname> <map> [cd track]
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*/
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void
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CL_Record_f (void)
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{
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int c;
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char name[MAX_OSPATH];
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int track;
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if (cmd_source != src_command)
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return;
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c = Cmd_Argc ();
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if (c != 2 && c != 3 && c != 4) {
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Con_Printf ("record <demoname> [<map> [cd track]]\n");
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return;
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}
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if (strstr (Cmd_Argv (1), "..")) {
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Con_Printf ("Relative pathnames are not allowed.\n");
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return;
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}
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if (c == 2 && cls.state == ca_connected) {
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Con_Printf
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("Can not record - already connected to server\nClient demo recording must be started before connecting\n");
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return;
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}
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// write the forced cd track number, or -1
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if (c == 4) {
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track = atoi (Cmd_Argv (3));
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Con_Printf ("Forcing CD track to %i\n", cls.forcetrack);
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} else
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track = -1;
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snprintf (name, sizeof (name), "%s/%s", com_gamedir, Cmd_Argv (1));
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// start the map up
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//
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if (c > 2)
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Cmd_ExecuteString (va ("map %s", Cmd_Argv (2)), src_command);
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// open the demo file
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//
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COM_DefaultExtension (name, ".dem");
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Con_Printf ("recording to %s.\n", name);
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cls.demofile = Qopen (name, "wb");
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if (!cls.demofile) {
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Con_Printf ("ERROR: couldn't open.\n");
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return;
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}
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cls.forcetrack = track;
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Qprintf (cls.demofile, "%i\n", cls.forcetrack);
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cls.demorecording = true;
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}
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/*
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CL_PlayDemo_f
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play [demoname]
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*/
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void
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CL_PlayDemo_f (void)
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{
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char name[256];
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int c;
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qboolean neg = false;
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if (cmd_source != src_command)
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return;
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if (Cmd_Argc () != 2) {
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Con_Printf ("play <demoname> : plays a demo\n");
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return;
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}
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// disconnect from server
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//
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CL_Disconnect ();
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// open the demo file
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//
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strcpy (name, Cmd_Argv (1));
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COM_DefaultExtension (name, ".dem");
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Con_Printf ("Playing demo from %s.\n", name);
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COM_FOpenFile (name, &cls.demofile);
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if (!cls.demofile) {
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Con_Printf ("ERROR: couldn't open.\n");
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cls.demonum = -1; // stop demo loop
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return;
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}
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cls.demoplayback = true;
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CL_SetState (ca_connected);
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cls.forcetrack = 0;
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key_dest = key_game;
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game_target = IMT_0;
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while ((c = Qgetc (cls.demofile)) != '\n')
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if (c == '-')
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neg = true;
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else
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cls.forcetrack = cls.forcetrack * 10 + (c - '0');
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if (neg)
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cls.forcetrack = -cls.forcetrack;
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// ZOID, fscanf is evil
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// fscanf (cls.demofile, "%i\n", &cls.forcetrack);
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}
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void
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CL_FinishTimeDemo (void)
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{
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int frames;
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float time;
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cls.timedemo = false;
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// the first frame didn't count
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frames = (host_framecount - cls.td_startframe) - 1;
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time = realtime - cls.td_starttime;
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if (!time)
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time = 1;
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Con_Printf ("%i frames %5.1f seconds %5.1f fps\n", frames, time,
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frames / time);
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}
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/*
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CL_TimeDemo_f
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timedemo [demoname]
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*/
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void
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CL_TimeDemo_f (void)
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{
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if (cmd_source != src_command)
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return;
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if (Cmd_Argc () != 2) {
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Con_Printf ("timedemo <demoname> : gets demo speeds\n");
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return;
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}
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CL_PlayDemo_f ();
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// cls.td_starttime will be grabbed at the second frame of the demo, so
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// all the loading time doesn't get counted
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cls.timedemo = true;
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cls.td_startframe = host_framecount;
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cls.td_lastframe = -1; // get a new message this frame
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}
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