changed Cmd_AddCommand to only work for console commands, not client commands execute...
[divverent/darkplaces.git] / cl_demo.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
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.
8
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.
12
13 See the GNU General Public License for more details.
14
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.
18
19 */
20
21 #include "quakedef.h"
22
23 int old_vsync = 0;
24
25 void CL_FinishTimeDemo (void);
26
27 /*
28 ==============================================================================
29
30 DEMO CODE
31
32 When a demo is playing back, all outgoing network messages are skipped, and
33 incoming messages are read from the demo file.
34
35 Whenever cl.time gets past the last received message, another message is
36 read from the demo file.
37 ==============================================================================
38 */
39
40 /*
41 =====================
42 CL_NextDemo
43
44 Called to play the next demo in the demo loop
45 =====================
46 */
47 void CL_NextDemo (void)
48 {
49         char    str[MAX_INPUTLINE];
50
51         if (cls.demonum == -1)
52                 return;         // don't play demos
53
54         if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
55         {
56                 cls.demonum = 0;
57                 if (!cls.demos[cls.demonum][0])
58                 {
59                         Con_Print("No demos listed with startdemos\n");
60                         cls.demonum = -1;
61                         return;
62                 }
63         }
64
65         sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
66         Cbuf_InsertText (str);
67         cls.demonum++;
68 }
69
70 /*
71 ==============
72 CL_StopPlayback
73
74 Called when a demo file runs out, or the user starts a game
75 ==============
76 */
77 // LordHavoc: now called only by CL_Disconnect
78 void CL_StopPlayback (void)
79 {
80         if (!cls.demoplayback)
81                 return;
82
83         FS_Close (cls.demofile);
84         cls.demoplayback = false;
85         cls.demofile = NULL;
86
87         if (cls.timedemo)
88                 CL_FinishTimeDemo ();
89
90         if (COM_CheckParm("-demo") || COM_CheckParm("-demolooponly"))
91                 Host_Quit_f();
92
93 }
94
95 /*
96 ====================
97 CL_WriteDemoMessage
98
99 Dumps the current net message, prefixed by the length and view angles
100 ====================
101 */
102 void CL_WriteDemoMessage (void)
103 {
104         int             len;
105         int             i;
106         float   f;
107
108         if (cls.demopaused) // LordHavoc: pausedemo
109                 return;
110
111         len = LittleLong (net_message.cursize);
112         FS_Write (cls.demofile, &len, 4);
113         for (i=0 ; i<3 ; i++)
114         {
115                 f = LittleFloat (cl.viewangles[i]);
116                 FS_Write (cls.demofile, &f, 4);
117         }
118         FS_Write (cls.demofile, net_message.data, net_message.cursize);
119 }
120
121 /*
122 ====================
123 CL_ReadDemoMessage
124
125 Handles playback of demos
126 ====================
127 */
128 void CL_ReadDemoMessage(void)
129 {
130         int r, i;
131         float f;
132
133         if (!cls.demoplayback)
134                 return;
135
136         // LordHavoc: pausedemo
137         if (cls.demopaused)
138                 return;
139
140         while (1)
141         {
142                 // decide if it is time to grab the next message
143                 // always grab until fully connected
144                 if (cls.signon == SIGNONS)
145                 {
146                         if (cls.timedemo)
147                         {
148                                 if (host_framecount == cls.td_lastframe)
149                                 {
150                                         // already read this frame's message
151                                         return;
152                                 }
153                                 if (cls.td_lastframe == -1)
154                                 {
155                                         // we start counting on the second frame
156                                         // (after parsing connection stuff)
157                                         cls.td_startframe = host_framecount + 1;
158                                 }
159                                 cls.td_lastframe = host_framecount;
160                                 // if this is the first official frame we can now grab the real
161                                 // td_starttime so the bogus time on the first frame doesn't
162                                 // count against the final report
163                                 if (host_framecount == cls.td_startframe)
164                                         cls.td_starttime = realtime;
165                                 if (host_framecount > cls.td_startframe + 2)
166                                 {
167                                         cls.td_minframetime = min(cls.td_minframetime, cl.realframetime);
168                                         cls.td_maxframetime = max(cls.td_maxframetime, cl.realframetime);
169                                 }
170                                 else
171                                         cls.td_minframetime = cls.td_maxframetime = cl.realframetime;
172                         }
173                         else if (cl.time <= cl.mtime[0])
174                         {
175                                 // don't need another message yet
176                                 return;
177                         }
178                 }
179
180                 // get the next message
181                 FS_Read(cls.demofile, &net_message.cursize, 4);
182                 net_message.cursize = LittleLong(net_message.cursize);
183                 if (net_message.cursize > net_message.maxsize)
184                         Host_Error("Demo message (%i) > net_message.maxsize (%i)", net_message.cursize, net_message.maxsize);
185                 VectorCopy(cl.mviewangles[0], cl.mviewangles[1]);
186                 for (i = 0;i < 3;i++)
187                 {
188                         r = (int)FS_Read(cls.demofile, &f, 4);
189                         cl.mviewangles[0][i] = LittleFloat(f);
190                 }
191
192                 if (FS_Read(cls.demofile, net_message.data, net_message.cursize) == net_message.cursize)
193                 {
194                         MSG_BeginReading();
195                         CL_ParseServerMessage();
196
197                         // In case the demo contains a "svc_disconnect" message
198                         if (!cls.demoplayback)
199                                 return;
200                 }
201                 else
202                 {
203                         CL_Disconnect();
204                         return;
205                 }
206         }
207 }
208
209
210 /*
211 ====================
212 CL_Stop_f
213
214 stop recording a demo
215 ====================
216 */
217 void CL_Stop_f (void)
218 {
219         if (!cls.demorecording)
220         {
221                 Con_Print("Not recording a demo.\n");
222                 return;
223         }
224
225 // write a disconnect message to the demo file
226         SZ_Clear (&net_message);
227         MSG_WriteByte (&net_message, svc_disconnect);
228         CL_WriteDemoMessage ();
229
230 // finish up
231         FS_Close (cls.demofile);
232         cls.demofile = NULL;
233         cls.demorecording = false;
234         Con_Print("Completed demo\n");
235 }
236
237 /*
238 ====================
239 CL_Record_f
240
241 record <demoname> <map> [cd track]
242 ====================
243 */
244 void CL_Record_f (void)
245 {
246         int c, track;
247         char name[MAX_OSPATH];
248
249         c = Cmd_Argc();
250         if (c != 2 && c != 3 && c != 4)
251         {
252                 Con_Print("record <demoname> [<map> [cd track]]\n");
253                 return;
254         }
255
256         if (strstr(Cmd_Argv(1), ".."))
257         {
258                 Con_Print("Relative pathnames are not allowed.\n");
259                 return;
260         }
261
262         if (c == 2 && cls.state == ca_connected)
263         {
264                 Con_Print("Can not record - already connected to server\nClient demo recording must be started before connecting\n");
265                 return;
266         }
267
268         // write the forced cd track number, or -1
269         if (c == 4)
270         {
271                 track = atoi(Cmd_Argv(3));
272                 Con_Printf("Forcing CD track to %i\n", cls.forcetrack);
273         }
274         else
275                 track = -1;
276
277         // get the demo name
278         strlcpy (name, Cmd_Argv(1), sizeof (name));
279         FS_DefaultExtension (name, ".dem", sizeof (name));
280
281         // start the map up
282         if (c > 2)
283                 Cmd_ExecuteString ( va("map %s", Cmd_Argv(2)), src_command);
284
285         // open the demo file
286         Con_Printf("recording to %s.\n", name);
287         cls.demofile = FS_Open (name, "wb", false, false);
288         if (!cls.demofile)
289         {
290                 Con_Print("ERROR: couldn't open.\n");
291                 return;
292         }
293
294         cls.forcetrack = track;
295         FS_Printf(cls.demofile, "%i\n", cls.forcetrack);
296
297         cls.demorecording = true;
298 }
299
300
301 /*
302 ====================
303 CL_PlayDemo_f
304
305 play [demoname]
306 ====================
307 */
308 void CL_PlayDemo_f (void)
309 {
310         char    name[MAX_QPATH];
311         int c;
312         qboolean neg = false;
313
314         if (Cmd_Argc() != 2)
315         {
316                 Con_Print("play <demoname> : plays a demo\n");
317                 return;
318         }
319
320         // disconnect from server
321         CL_Disconnect ();
322         Host_ShutdownServer ();
323
324         // update networking ports (this is mainly just needed at startup)
325         NetConn_UpdateSockets();
326
327         // open the demo file
328         strlcpy (name, Cmd_Argv(1), sizeof (name));
329         FS_DefaultExtension (name, ".dem", sizeof (name));
330         cls.protocol = PROTOCOL_QUAKE;
331
332         Con_Printf("Playing demo from %s.\n", name);
333         cls.demofile = FS_Open (name, "rb", false, false);
334         if (!cls.demofile)
335         {
336                 Con_Print("ERROR: couldn't open.\n");
337                 cls.demonum = -1;               // stop demo loop
338                 return;
339         }
340
341         strlcpy(cls.demoname, name, sizeof(cls.demoname));
342         cls.demoplayback = true;
343         cls.state = ca_connected;
344         cls.forcetrack = 0;
345
346         while ((c = FS_Getc (cls.demofile)) != '\n')
347                 if (c == '-')
348                         neg = true;
349                 else
350                         cls.forcetrack = cls.forcetrack * 10 + (c - '0');
351
352         if (neg)
353                 cls.forcetrack = -cls.forcetrack;
354 }
355
356 /*
357 ====================
358 CL_FinishTimeDemo
359
360 ====================
361 */
362 void CL_FinishTimeDemo (void)
363 {
364         int frames;
365         double time; // LordHavoc: changed timedemo accuracy to double
366         double fpsmin, fpsavg, fpsmax; // report min/avg/max fps
367
368         cls.timedemo = false;
369
370 // the first frame didn't count
371         frames = (host_framecount - cls.td_startframe) - 1;
372         time = realtime - cls.td_starttime;
373         fpsmin = cls.td_maxframetime > 0 ? 1.0 / cls.td_maxframetime : 0;
374         fpsavg = time > 0 ? frames / time : 0;
375         fpsmax = cls.td_minframetime > 0 ? 1.0 / cls.td_minframetime : 0;
376         // LordHavoc: timedemo now prints out 7 digits of fraction, and min/avg/max
377         Con_Printf("%i frames %5.7f seconds %5.7f fps\nmin/avg/max: %5.7f/%5.7f/%5.7f\n", frames, time, fpsavg, fpsmin, fpsavg, fpsmax);
378         Log_Printf("benchmark.log", "date %s | enginedate %s | demo %s | commandline %s | result %i frames %5.7f seconds %5.7f fps min/avg/max: %5.7f/%5.7f/%5.7f\n", Sys_TimeString("%Y-%m-%d %H:%M:%S"), buildstring, cls.demoname, cmdline.string, frames, time, fpsavg, fpsmin, fpsavg, fpsmax);
379         if (COM_CheckParm("-benchmark"))
380                 Host_Quit_f();
381 }
382
383 /*
384 ====================
385 CL_TimeDemo_f
386
387 timedemo [demoname]
388 ====================
389 */
390 void CL_TimeDemo_f (void)
391 {
392         if (Cmd_Argc() != 2)
393         {
394                 Con_Print("timedemo <demoname> : gets demo speeds\n");
395                 return;
396         }
397
398         CL_PlayDemo_f ();
399
400 // cls.td_starttime will be grabbed at the second frame of the demo, so
401 // all the loading time doesn't get counted
402
403         // instantly hide console and deactivate it
404         key_dest = key_game;
405         key_consoleactive = 0;
406         scr_con_current = 0;
407
408         cls.timedemo = true;
409         // get first message this frame
410         cls.td_lastframe = -1;
411 }
412