2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 void CL_FinishTimeDemo (void);
26 ==============================================================================
30 When a demo is playing back, all NET_SendMessages are skipped, and
31 NET_GetMessages are read from the demo file.
33 Whenever cl.time gets past the last received message, another message is
34 read from the demo file.
35 ==============================================================================
42 Called to play the next demo in the demo loop
45 void CL_NextDemo (void)
49 if (cls.demonum == -1)
50 return; // don't play demos
52 // SCR_BeginLoadingPlaque ();
54 if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
57 if (!cls.demos[cls.demonum][0])
59 Con_Printf ("No demos listed with startdemos\n");
65 sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
66 Cbuf_InsertText (str);
74 Called when a demo file runs out, or the user starts a game
77 // LordHavoc: now called only by CL_Disconnect
78 void CL_StopPlayback (void)
80 if (!cls.demoplayback)
83 Qclose (cls.demofile);
84 cls.demoplayback = false;
95 Dumps the current net message, prefixed by the length and view angles
98 void CL_WriteDemoMessage (void)
104 if (cls.demopaused) // LordHavoc: pausedemo
107 len = LittleLong (net_message.cursize);
108 Qwrite (cls.demofile, &len, 4);
109 for (i=0 ; i<3 ; i++)
111 f = LittleFloat (cl.viewangles[i]);
112 Qwrite (cls.demofile, &f, 4);
114 Qwrite (cls.demofile, net_message.data, net_message.cursize);
115 Qflush (cls.demofile);
122 Handles recording and playback of demos, on top of NET_ code
125 int CL_GetMessage (void)
130 if (cls.demoplayback)
132 if (cls.demopaused) // LordHavoc: pausedemo
135 // decide if it is time to grab the next message
136 if (cls.signon == SIGNONS) // always grab until fully connected
140 if (host_framecount == cls.td_lastframe)
141 return 0; // already read this frame's message
142 cls.td_lastframe = host_framecount;
143 // if this is the second frame, grab the real td_starttime
144 // so the bogus time on the first frame doesn't count
145 if (host_framecount == cls.td_startframe + 1)
146 cls.td_starttime = realtime;
148 else if ( /* cl.time > 0 && */ cl.time <= cl.mtime[0])
150 return 0; // don't need another message yet
154 // get the next message
155 Qread (cls.demofile, &net_message.cursize, 4);
156 VectorCopy (cl.mviewangles[0], cl.mviewangles[1]);
157 for (i=0 ; i<3 ; i++)
159 r = Qread (cls.demofile, &f, 4);
160 cl.mviewangles[0][i] = LittleFloat (f);
163 net_message.cursize = LittleLong (net_message.cursize);
164 if (net_message.cursize > MAX_MSGLEN)
165 Host_Error ("Demo message > MAX_MSGLEN");
166 r = Qread (cls.demofile, net_message.data, net_message.cursize);
167 if (r != net_message.cursize)
178 r = NET_GetMessage (cls.netcon);
180 if (r != 1 && r != 2)
183 // discard nop keepalive message
184 if (net_message.cursize == 1 && net_message.data[0] == svc_nop)
185 Con_Printf ("<-- server to client keepalive\n");
190 if (cls.demorecording)
191 CL_WriteDemoMessage ();
201 stop recording a demo
204 void CL_Stop_f (void)
206 if (cmd_source != src_command)
209 if (!cls.demorecording)
211 Con_Printf ("Not recording a demo.\n");
215 // write a disconnect message to the demo file
216 SZ_Clear (&net_message);
217 MSG_WriteByte (&net_message, svc_disconnect);
218 CL_WriteDemoMessage ();
221 Qclose (cls.demofile);
223 cls.demorecording = false;
224 Con_Printf ("Completed demo\n");
231 record <demoname> <map> [cd track]
234 void CL_Record_f (void)
237 char name[MAX_OSPATH];
240 if (cmd_source != src_command)
244 if (c != 2 && c != 3 && c != 4)
246 Con_Printf ("record <demoname> [<map> [cd track]]\n");
250 if (strstr(Cmd_Argv(1), ".."))
252 Con_Printf ("Relative pathnames are not allowed.\n");
256 if (c == 2 && cls.state == ca_connected)
258 Con_Printf("Can not record - already connected to server\nClient demo recording must be started before connecting\n");
262 // write the forced cd track number, or -1
265 track = atoi(Cmd_Argv(3));
266 Con_Printf ("Forcing CD track to %i\n", cls.forcetrack);
271 sprintf (name, "%s/%s", com_gamedir, Cmd_Argv(1));
277 Cmd_ExecuteString ( va("map %s", Cmd_Argv(2)), src_command);
280 // open the demo file
282 COM_DefaultExtension (name, ".dem");
284 Con_Printf ("recording to %s.\n", name);
285 cls.demofile = Qopen (name, "wb");
288 Con_Printf ("ERROR: couldn't open.\n");
292 cls.forcetrack = track;
293 Qprintf (cls.demofile, "%i\n", cls.forcetrack);
295 cls.demorecording = true;
306 void CL_PlayDemo_f (void)
310 qboolean neg = false;
312 if (cmd_source != src_command)
317 Con_Printf ("play <demoname> : plays a demo\n");
321 // SCR_BeginLoadingPlaque();
324 // disconnect from server
329 // open the demo file
331 strcpy (name, Cmd_Argv(1));
332 COM_DefaultExtension (name, ".dem");
334 Con_Printf ("Playing demo from %s.\n", name);
335 COM_FOpenFile (name, &cls.demofile, false, true);
338 Con_Printf ("ERROR: couldn't open.\n");
339 cls.demonum = -1; // stop demo loop
343 cls.demoplayback = true;
344 cls.state = ca_connected;
347 while ((c = Qgetc(cls.demofile)) != '\n')
351 cls.forcetrack = cls.forcetrack * 10 + (c - '0');
354 cls.forcetrack = -cls.forcetrack;
355 // ZOID, fscanf is evil
356 // fscanf (cls.demofile, "%i\n", &cls.forcetrack);
365 void CL_FinishTimeDemo (void)
368 double time; // LordHavoc: changed timedemo accuracy to double
370 cls.timedemo = false;
372 // the first frame didn't count
373 frames = (host_framecount - cls.td_startframe) - 1;
374 time = realtime - cls.td_starttime;
377 // LordHavoc: timedemo now prints out 7 digits of fraction
378 Con_Printf ("%i frames %5.7f seconds %5.7f fps\n", frames, time, frames/time);
388 void CL_TimeDemo_f (void)
390 if (cmd_source != src_command)
395 Con_Printf ("timedemo <demoname> : gets demo speeds\n");
401 // cls.td_starttime will be grabbed at the second frame of the demo, so
402 // all the loading time doesn't get counted
404 // instantly hide console and deactivate it
410 cls.td_startframe = host_framecount;
411 cls.td_lastframe = -1; // get a new message this frame