/* cl_demo.c (description) 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 #ifdef HAVE_UNISTD_H # include #endif #include #include #include "QF/cbuf.h" #include "QF/console.h" #include "QF/cmd.h" #include "QF/cvar.h" #include "QF/msg.h" #include "QF/qendian.h" #include "QF/sys.h" #include "QF/va.h" #include "cl_cam.h" #include "cl_demo.h" #include "cl_ents.h" #include "cl_main.h" #include "client.h" #include "compat.h" #include "host.h" #include "qw/pmove.h" typedef struct { int frames; double time; double fps; } td_stats_t; int demo_timeframes_isactive; int demo_timeframes_index; int demotime_cached; float nextdemotime; char demoname[1024]; double *demo_timeframes_array; #define CL_TIMEFRAMES_ARRAYBLOCK 4096 int timedemo_count; int timedemo_runs; td_stats_t *timedemo_data; static void CL_FinishTimeDemo (void); static void CL_TimeFrames_DumpLog (void); static void CL_TimeFrames_AddTimestamp (void); static void CL_TimeFrames_Reset (void); cvar_t *demo_speed; cvar_t *demo_gzip; cvar_t *demo_quit; cvar_t *demo_timeframes; /* DEMO CODE When a demo is playing back, all NET_SendMessages are skipped, and NET_GetMessages are read from the demo file. Whenever cl.time gets past the last received message, another message is read from the demo file. */ /* CL_StopPlayback Called when a demo file runs out, or the user starts a game */ void CL_StopPlayback (void) { if (!cls.demoplayback) return; Qclose (cls.demofile); cls.demofile = NULL; CL_SetState (ca_disconnected); cls.demoplayback = 0; cls.demoplayback2 = 0; demotime_cached = 0; net_blocksend = 0; if (cls.timedemo) CL_FinishTimeDemo (); } /* CL_WriteDemoCmd Writes the current user cmd */ void CL_WriteDemoCmd (usercmd_t *pcmd) { byte c; float fl; int i; usercmd_t cmd; fl = LittleFloat ((float) realtime); Qwrite (cls.demofile, &fl, sizeof (fl)); c = dem_cmd; Qwrite (cls.demofile, &c, sizeof (c)); // correct for byte order, bytes don't matter cmd = *pcmd; for (i = 0; i < 3; i++) cmd.angles[i] = LittleFloat (cmd.angles[i]); cmd.forwardmove = LittleShort (cmd.forwardmove); cmd.sidemove = LittleShort (cmd.sidemove); cmd.upmove = LittleShort (cmd.upmove); Qwrite (cls.demofile, &cmd, sizeof (cmd)); for (i = 0; i < 3; i++) { fl = LittleFloat (cl.viewangles[i]); Qwrite (cls.demofile, &fl, 4); } Qflush (cls.demofile); } /* CL_WriteDemoMessage Dumps the current net message, prefixed by the length and view angles */ static void CL_WriteDemoMessage (sizebuf_t *msg) { byte c; float fl; int len; if (!cls.demorecording) return; fl = LittleFloat ((float) realtime); Qwrite (cls.demofile, &fl, sizeof (fl)); c = dem_read; Qwrite (cls.demofile, &c, sizeof (c)); len = LittleLong (msg->cursize); Qwrite (cls.demofile, &len, 4); Qwrite (cls.demofile, msg->data, msg->cursize); Qflush (cls.demofile); } #if 0 static const char *dem_names[] = { "dem_cmd", "dem_read", "dem_set", "dem_multiple", "dem_single", "dem_stats", "dem_all", "dem_invalid", }; #endif static qboolean CL_GetDemoMessage (void) { byte c, newtime; float demotime, f; static float cached_demotime; static byte cached_newtime; int r, i, j, tracknum; usercmd_t *pcmd; if (!cls.demoplayback2) nextdemotime = realtime; if (realtime + 1.0 < nextdemotime) realtime = nextdemotime - 1.0; nextdemomessage: // read the time from the packet newtime = 0; if (demotime_cached) { demotime = cached_demotime; newtime = cached_newtime; demotime_cached = 0; } else { if (cls.demoplayback2) { Qread (cls.demofile, &newtime, sizeof (newtime)); demotime = cls.basetime + (cls.prevtime + newtime) * 0.001; } else { Qread (cls.demofile, &demotime, sizeof (demotime)); demotime = LittleFloat (demotime); if (!nextdemotime) realtime = nextdemotime = demotime; } } // decide if it is time to grab the next message if (cls.timedemo) { if (cls.td_lastframe < 0) cls.td_lastframe = demotime; else if (demotime > cls.td_lastframe) { cls.td_lastframe = demotime; // rewind back to time demotime_cached = 1; cached_demotime = demotime; cached_newtime = newtime; return 0; // already read this frame's message } if (!cls.td_starttime && cls.state == ca_active) { cls.td_starttime = Sys_DoubleTime (); cls.td_startframe = host_framecount; } realtime = demotime; // warp } else if (!cl.paused && cls.state >= ca_onserver) { // always grab until fully connected if (!cls.demoplayback2 && realtime + 1.0 < demotime) { // too far back realtime = demotime - 1.0; // rewind back to time demotime_cached = 1; cached_demotime = demotime; cached_newtime = newtime; return 0; } else if (realtime < demotime) { // rewind back to time demotime_cached = 1; cached_demotime = demotime; cached_newtime = newtime; return 0; // don't need another message yet } } else realtime = demotime; // we're warping if (realtime - nextdemotime > 0.0001) { if (nextdemotime != demotime) { if (cls.demoplayback2) { cls.netchan.incoming_sequence++; cls.netchan.incoming_acknowledged++; cls.netchan.frame_latency = 0; } } } nextdemotime = demotime; cls.prevtime += newtime; if (cls.state < ca_demostart) Host_Error ("CL_GetDemoMessage: cls.state != ca_active"); // get the msg type Qread (cls.demofile, &c, sizeof (c)); switch (c & 7) { case dem_cmd: // user sent input net_message->message->cursize = -1; i = cls.netchan.outgoing_sequence & UPDATE_MASK; pcmd = &cl.frames[i].cmd; r = Qread (cls.demofile, pcmd, sizeof (*pcmd)); if (r != sizeof (*pcmd)) { CL_StopPlayback (); return 0; } // byte order stuff for (j = 0; j < 3; j++) pcmd->angles[j] = LittleFloat (pcmd->angles[j]); pcmd->forwardmove = LittleShort (pcmd->forwardmove); pcmd->sidemove = LittleShort (pcmd->sidemove); pcmd->upmove = LittleShort (pcmd->upmove); cl.frames[i].senttime = demotime; cl.frames[i].receivedtime = -1; // we haven't gotten a reply yet cls.netchan.outgoing_sequence++; for (i = 0; i < 3; i++) { Qread (cls.demofile, &f, 4); cl.viewangles[i] = LittleFloat (f); } break; case dem_read: readit: // get the next message Qread (cls.demofile, &net_message->message->cursize, 4); net_message->message->cursize = LittleLong (net_message->message->cursize); if (net_message->message->cursize > MAX_MSGLEN + 8) //+8 for header Host_Error ("Demo message > MAX_MSGLEN + 8: %d/%d", net_message->message->cursize, MAX_MSGLEN + 8); r = Qread (cls.demofile, net_message->message->data, net_message->message->cursize); if (r != net_message->message->cursize) { CL_StopPlayback (); return 0; } if (cls.demoplayback2) { tracknum = Cam_TrackNum (); if (cls.lasttype == dem_multiple) { if (tracknum == -1) goto nextdemomessage; if (!(cls.lastto & (1 << tracknum))) goto nextdemomessage; } else if (cls.lasttype == dem_single) { if (tracknum == -1 || cls.lastto != spec_track) goto nextdemomessage; } } break; case dem_set: Qread (cls.demofile, &i, 4); cls.netchan.outgoing_sequence = LittleLong (i); Qread (cls.demofile, &i, 4); cls.netchan.incoming_sequence = LittleLong (i); if (cls.demoplayback2) { cls.netchan.incoming_acknowledged = cls.netchan.incoming_sequence; goto nextdemomessage; } break; case dem_multiple: r = Qread (cls.demofile, &i, 4); if (r != 4) { CL_StopPlayback (); return 0; } cls.lastto = LittleLong (i); cls.lasttype = dem_multiple; goto readit; case dem_single: cls.lastto = c >> 3; cls.lasttype = dem_single; goto readit; case dem_stats: cls.lastto = c >> 3; cls.lasttype = dem_stats; goto readit; case dem_all: cls.lastto = 0; cls.lasttype = dem_all; goto readit; default: Con_Printf ("Corrupted demo.\n"); CL_StopPlayback (); return 0; } return 1; } /* CL_GetMessage Handles recording and playback of demos, on top of NET_ code */ qboolean CL_GetMessage (void) { if (cls.demoplayback) { qboolean ret = CL_GetDemoMessage (); if (!ret && demo_timeframes_isactive && cls.td_starttime) { CL_TimeFrames_AddTimestamp (); } return ret; } if (!NET_GetPacket ()) return false; if (net_packetlog->int_val) Log_Incoming_Packet (net_message->message->data, net_message->message->cursize, 1); CL_WriteDemoMessage (net_message->message); return true; } /* CL_Stop_f stop recording a demo */ void CL_Stop_f (void) { if (!cls.demorecording) { Con_Printf ("Not recording a demo.\n"); return; } // write a disconnect message to the demo file SZ_Clear (net_message->message); MSG_WriteLong (net_message->message, -1); // -1 sequence means out of band MSG_WriteByte (net_message->message, svc_disconnect); MSG_WriteString (net_message->message, "EndOfDemo"); CL_WriteDemoMessage (net_message->message); // finish up Qclose (cls.demofile); cls.demofile = NULL; cls.demorecording = false; Con_Printf ("Completed demo\n"); } /* CL_WriteDemoMessage Dumps the current net message, prefixed by the length and view angles */ static void CL_WriteRecordDemoMessage (sizebuf_t *msg, int seq) { byte c; float fl; int len, i; if (!cls.demorecording) return; fl = LittleFloat ((float) realtime); Qwrite (cls.demofile, &fl, sizeof (fl)); c = dem_read; Qwrite (cls.demofile, &c, sizeof (c)); len = LittleLong (msg->cursize + 8); Qwrite (cls.demofile, &len, 4); i = LittleLong (seq); Qwrite (cls.demofile, &i, 4); Qwrite (cls.demofile, &i, 4); Qwrite (cls.demofile, msg->data, msg->cursize); Qflush (cls.demofile); } static void CL_WriteSetDemoMessage (void) { byte c; float fl; int len; if (!cls.demorecording) return; fl = LittleFloat ((float) realtime); Qwrite (cls.demofile, &fl, sizeof (fl)); c = dem_set; Qwrite (cls.demofile, &c, sizeof (c)); len = LittleLong (cls.netchan.outgoing_sequence); Qwrite (cls.demofile, &len, 4); len = LittleLong (cls.netchan.incoming_sequence); Qwrite (cls.demofile, &len, 4); Qflush (cls.demofile); } void CL_Record (const char *argv1) { char buf_data[MAX_MSGLEN + 10]; // + 10 for header char name[MAX_OSPATH]; char *s; char timestring[20]; char mapname[MAX_OSPATH]; int n, i, j, l=0; size_t k; int seq = 1; entity_t *ent; entity_state_t *es, blankes; player_info_t *player; sizebuf_t buf; time_t tim; if (!argv1) { // Get time to a useable format time (&tim); strftime (timestring, 19, "%Y-%m-%d-%H-%M", localtime (&tim)); // the leading path-name is to be removed from cl.worldmodel->name for (k = 0; k <= strlen (cl.worldmodel->name); k++) { if (cl.worldmodel->name[k] == '/') { l = 0; mapname[l] = '\0'; continue; } mapname[l] = cl.worldmodel->name[k]; l++; } // the map name is cut off after any "." because this would prevent // ".qwd" from being appended for (k = 0; k <= strlen (mapname); k++) if (mapname[k] == '.') mapname[k] = '\0'; snprintf (name, sizeof (name), "%s/%s-%s", qfs_gamedir->dir.def, timestring, mapname); } else { snprintf (name, sizeof (name), "%s/%s", qfs_gamedir->dir.def, argv1); } // open the demo file #ifdef HAVE_ZLIB if (demo_gzip->int_val) { QFS_DefaultExtension (name, ".qwd.gz"); cls.demofile = QFS_WOpen (name, demo_gzip->int_val); } else #endif { QFS_DefaultExtension (name, ".qwd"); cls.demofile = QFS_WOpen (name, 0); } if (!cls.demofile) { Con_Printf ("ERROR: couldn't open.\n"); return; } Con_Printf ("recording to %s.\n", name); cls.demorecording = true; /*-------------------------------------------------*/ // serverdata // send the info about the new client to all connected clients memset (&buf, 0, sizeof (buf)); buf.data = buf_data; buf.maxsize = sizeof (buf_data); // send the serverdata MSG_WriteByte (&buf, svc_serverdata); MSG_WriteLong (&buf, PROTOCOL_VERSION); MSG_WriteLong (&buf, cl.servercount); MSG_WriteString (&buf, qfs_gamedir->gamedir); if (cl.spectator) MSG_WriteByte (&buf, cl.playernum | 128); else MSG_WriteByte (&buf, cl.playernum); // send full levelname MSG_WriteString (&buf, cl.levelname); // send the movevars MSG_WriteFloat (&buf, movevars.gravity); MSG_WriteFloat (&buf, movevars.stopspeed); MSG_WriteFloat (&buf, movevars.maxspeed); MSG_WriteFloat (&buf, movevars.spectatormaxspeed); MSG_WriteFloat (&buf, movevars.accelerate); MSG_WriteFloat (&buf, movevars.airaccelerate); MSG_WriteFloat (&buf, movevars.wateraccelerate); MSG_WriteFloat (&buf, movevars.friction); MSG_WriteFloat (&buf, movevars.waterfriction); MSG_WriteFloat (&buf, movevars.entgravity); // send music MSG_WriteByte (&buf, svc_cdtrack); MSG_WriteByte (&buf, 0); // none in demos // send server info string MSG_WriteByte (&buf, svc_stufftext); MSG_WriteString (&buf, va ("fullserverinfo \"%s\"\n", Info_MakeString (cl.serverinfo, 0))); // flush packet CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); // soundlist MSG_WriteByte (&buf, svc_soundlist); MSG_WriteByte (&buf, 0); n = 0; s = cl.sound_name[n + 1]; while (*s) { MSG_WriteString (&buf, s); if (buf.cursize > MAX_MSGLEN / 2) { MSG_WriteByte (&buf, 0); MSG_WriteByte (&buf, n); CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); MSG_WriteByte (&buf, svc_soundlist); MSG_WriteByte (&buf, n + 1); } n++; s = cl.sound_name[n + 1]; } if (buf.cursize) { MSG_WriteByte (&buf, 0); MSG_WriteByte (&buf, 0); CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } // modellist MSG_WriteByte (&buf, svc_modellist); MSG_WriteByte (&buf, 0); n = 0; s = cl.model_name[n + 1]; while (*s) { MSG_WriteString (&buf, s); if (buf.cursize > MAX_MSGLEN / 2) { MSG_WriteByte (&buf, 0); MSG_WriteByte (&buf, n); CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); MSG_WriteByte (&buf, svc_modellist); MSG_WriteByte (&buf, n + 1); } n++; s = cl.model_name[n + 1]; } if (buf.cursize) { MSG_WriteByte (&buf, 0); MSG_WriteByte (&buf, 0); CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } // spawnstatic for (i = 0; i < cl.num_statics; i++) { ent = cl_static_entities + i; MSG_WriteByte (&buf, svc_spawnstatic); for (j = 1; j < MAX_MODELS; j++) if (ent->model == cl.model_precache[j]) break; if (j == MAX_MODELS) MSG_WriteByte (&buf, 0); else MSG_WriteByte (&buf, j); MSG_WriteByte (&buf, ent->frame); MSG_WriteByte (&buf, 0); MSG_WriteByte (&buf, ent->skinnum); MSG_WriteCoordAngleV (&buf, ent->origin, ent->angles); if (buf.cursize > MAX_MSGLEN / 2) { CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } } // spawnstaticsound // static sounds are skipped in demos, life is hard // baselines memset (&blankes, 0, sizeof (blankes)); for (i = 0; i < MAX_EDICTS; i++) { es = cl_baselines + i; if (memcmp (es, &blankes, sizeof (blankes))) { MSG_WriteByte (&buf, svc_spawnbaseline); MSG_WriteShort (&buf, i); MSG_WriteByte (&buf, es->modelindex); MSG_WriteByte (&buf, es->frame); MSG_WriteByte (&buf, es->colormap); MSG_WriteByte (&buf, es->skinnum); MSG_WriteCoordAngleV (&buf, es->origin, es->angles); if (buf.cursize > MAX_MSGLEN / 2) { CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } } } MSG_WriteByte (&buf, svc_stufftext); MSG_WriteString (&buf, va ("cmd spawn %i 0\n", cl.servercount)); if (buf.cursize) { CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } // send current status of all other players for (i = 0; i < MAX_CLIENTS; i++) { player = cl.players + i; if (!player->userinfo) continue; MSG_WriteByte (&buf, svc_updatefrags); MSG_WriteByte (&buf, i); MSG_WriteShort (&buf, player->frags); MSG_WriteByte (&buf, svc_updateping); MSG_WriteByte (&buf, i); MSG_WriteShort (&buf, player->ping); MSG_WriteByte (&buf, svc_updatepl); MSG_WriteByte (&buf, i); MSG_WriteByte (&buf, player->pl); MSG_WriteByte (&buf, svc_updateentertime); MSG_WriteByte (&buf, i); MSG_WriteFloat (&buf, realtime - player->entertime); MSG_WriteByte (&buf, svc_updateuserinfo); MSG_WriteByte (&buf, i); MSG_WriteLong (&buf, player->userid); MSG_WriteString (&buf, Info_MakeString (player->userinfo, 0)); if (buf.cursize > MAX_MSGLEN / 2) { CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } } // send all current light styles for (i = 0; i < MAX_LIGHTSTYLES; i++) { MSG_WriteByte (&buf, svc_lightstyle); MSG_WriteByte (&buf, (char) i); MSG_WriteString (&buf, r_lightstyle[i].map); } for (i = 0; i < MAX_CL_STATS; i++) { MSG_WriteByte (&buf, svc_updatestatlong); MSG_WriteByte (&buf, i); MSG_WriteLong (&buf, cl.stats[i]); if (buf.cursize > MAX_MSGLEN / 2) { CL_WriteRecordDemoMessage (&buf, seq++); SZ_Clear (&buf); } } #if 0 MSG_WriteByte (&buf, svc_updatestatlong); MSG_WriteByte (&buf, STAT_TOTALMONSTERS); MSG_WriteLong (&buf, cl.stats[STAT_TOTALMONSTERS]); MSG_WriteByte (&buf, svc_updatestatlong); MSG_WriteByte (&buf, STAT_SECRETS); MSG_WriteLong (&buf, cl.stats[STAT_SECRETS]); MSG_WriteByte (&buf, svc_updatestatlong); MSG_WriteByte (&buf, STAT_MONSTERS); MSG_WriteLong (&buf, cl.stats[STAT_MONSTERS]); #endif // get the client to check and download skins // when that is completed, a begin command will be issued MSG_WriteByte (&buf, svc_stufftext); MSG_WriteString (&buf, va ("skins\n")); CL_WriteRecordDemoMessage (&buf, seq++); CL_WriteSetDemoMessage (); // done } /* CL_Record_f record */ void CL_Record_f (void) { if (Cmd_Argc () > 2) { // we use a demo name like year-month-day-hours-minutes-mapname.qwd // if there is no argument Con_Printf ("record [demoname]\n"); return; } if (cls.demoplayback || cls.state != ca_active) { Con_Printf ("You must be connected to record.\n"); return; } if (cls.demorecording) CL_Stop_f (); if (Cmd_Argc () == 2) CL_Record (Cmd_Argv (1)); else CL_Record (0); } /* CL_ReRecord_f record */ void CL_ReRecord_f (void) { char name[MAX_OSPATH]; int c; c = Cmd_Argc (); if (c != 2) { Con_Printf ("rerecord \n"); return; } if (!*cls.servername) { Con_Printf ("No server to reconnect to...\n"); return; } if (cls.demorecording) CL_Stop_f (); snprintf (name, sizeof (name), "%s/%s", qfs_gamedir->dir.def, Cmd_Argv (1)); // open the demo file QFS_DefaultExtension (name, ".qwd"); cls.demofile = QFS_WOpen (name, 0); if (!cls.demofile) { Con_Printf ("ERROR: couldn't open.\n"); return; } Con_Printf ("recording to %s.\n", name); cls.demorecording = true; CL_Disconnect (); CL_BeginServerConnect (); } static void CL_StartDemo (void) { char name[MAX_OSPATH]; // open the demo file strncpy (name, demoname, sizeof (name)); QFS_DefaultExtension (name, ".qwd"); Con_Printf ("Playing demo from %s.\n", name); QFS_FOpenFile (name, &cls.demofile); if (!cls.demofile) { Con_Printf ("ERROR: couldn't open.\n"); cls.demonum = -1; // stop demo loop return; } cls.demoplayback = true; net_blocksend = 1; if (strequal (QFS_FileExtension (name), ".mvd")) { cls.demoplayback2 = true; Con_Printf ("mvd\n"); } else { Con_Printf ("qwd\n"); } CL_SetState (ca_demostart); Netchan_Setup (&cls.netchan, net_from, 0, NC_SEND_QPORT); realtime = 0; cls.findtrack = true; cls.lasttype = 0; cls.lastto = 0; cls.prevtime = 0; cls.basetime = 0; demotime_cached = 0; nextdemotime = 0; CL_ClearPredict (); } /* CL_PlayDemo_f play [demoname] */ void CL_PlayDemo_f (void) { if (Cmd_Argc () != 2) { Con_Printf ("play : plays a demo\n"); return; } timedemo_runs = timedemo_count = 1; // make sure looped timedemos stop // disconnect from server CL_Disconnect (); strncpy (demoname, Cmd_Argv (1), sizeof (demoname)); CL_StartDemo (); } static void CL_StartTimeDemo (void) { CL_StartDemo (); if (cls.state != ca_demostart) return; // cls.td_starttime will be grabbed at the second frame of the demo, so // all the loading time doesn't get counted cls.timedemo = true; cls.td_starttime = 0; cls.td_startframe = host_framecount; cls.td_lastframe = -1; // get a new message this frame CL_TimeFrames_Reset (); if (demo_timeframes->int_val) demo_timeframes_isactive = 1; } static inline double sqr (double x) { return x * x; } static void CL_FinishTimeDemo (void) { float time; int frames; cls.timedemo = false; // the first frame didn't count frames = (host_framecount - cls.td_startframe) - 1; time = Sys_DoubleTime () - cls.td_starttime; if (!time) time = 1; Con_Printf ("%i frame%s %.4g seconds %.4g fps\n", frames, frames == 1 ? "" : "s", time, frames / time); CL_TimeFrames_DumpLog (); demo_timeframes_isactive = 0; timedemo_count--; timedemo_data[timedemo_count].frames = time; timedemo_data[timedemo_count].time = time; timedemo_data[timedemo_count].fps = frames / time; if (timedemo_count > 0) { CL_StartTimeDemo (); } else { if (--timedemo_runs > 0) { double average = 0; double variance = 0; double min, max; int i; min = max = timedemo_data[0].fps; for (i = 0; i < timedemo_runs; i++) { average += timedemo_data[i].fps; min = min (min, timedemo_data[i].fps); max = max (max, timedemo_data[i].fps); } average /= timedemo_runs; for (i = 0; i < timedemo_runs; i++) variance += sqr (timedemo_data[i].fps - average); variance /= timedemo_runs; Con_Printf ("timedemo stats for %d runs:\n", timedemo_runs); Con_Printf (" average fps: %.3f\n", average); Con_Printf (" min/max fps: %.3f/%.3f\n", min, max); Con_Printf ("std deviation: %.3f fps\n", sqrt (variance)); } free (timedemo_data); timedemo_data = 0; if (demo_quit->int_val) Cbuf_InsertText (cl_cbuf, "quit\n"); } } /* CL_TimeDemo_f timedemo [demoname] */ void CL_TimeDemo_f (void) { if (Cmd_Argc () < 2 || Cmd_Argc () > 3) { Con_Printf ("timedemo [count]: gets demo speeds\n"); return; } timedemo_runs = timedemo_count = 1; // make sure looped timedemos stop // disconnect from server CL_Disconnect (); if (Cmd_Argc () == 3) { timedemo_count = atoi (Cmd_Argv (2)); } else { timedemo_count = 1; } timedemo_runs = timedemo_count = max (timedemo_count, 1); if (timedemo_data) free (timedemo_data); timedemo_data = calloc (timedemo_runs, sizeof (td_stats_t)); strncpy (demoname, Cmd_Argv (1), sizeof (demoname)); CL_StartTimeDemo (); } void CL_Demo_Init (void) { demo_timeframes_isactive = 0; demo_timeframes_index = 0; demo_timeframes_array = NULL; demo_gzip = Cvar_Get ("demo_gzip", "0", CVAR_ARCHIVE, NULL, "Compress demos using gzip. 0 = none, 1 = least " "compression, 9 = most compression. Compressed " " demos (1-9) will have .gz appended to the name"); demo_speed = Cvar_Get ("demo_speed", "1.0", CVAR_NONE, NULL, "adjust demo playback speed. 1.0 = normal, " "< 1 slow-mo, > 1 timelapse"); demo_quit = Cvar_Get ("demo_quit", "0", CVAR_NONE, NULL, "automaticly quit after a timedemo has finished"); demo_timeframes = Cvar_Get ("demo_timeframes", "0", CVAR_NONE, NULL, "write timestamps for every frame"); } static void CL_TimeFrames_Reset (void) { demo_timeframes_index = 0; free (demo_timeframes_array); demo_timeframes_array = NULL; } static void CL_TimeFrames_AddTimestamp (void) { if (!(demo_timeframes_index % CL_TIMEFRAMES_ARRAYBLOCK)) demo_timeframes_array = realloc (demo_timeframes_array, sizeof (demo_timeframes_array[0]) * ((demo_timeframes_index / CL_TIMEFRAMES_ARRAYBLOCK) + 1) * CL_TIMEFRAMES_ARRAYBLOCK); if (demo_timeframes_array == NULL) Sys_Error ("Unable to allocate timeframes buffer"); demo_timeframes_array[demo_timeframes_index] = Sys_DoubleTime (); demo_timeframes_index++; } static void CL_TimeFrames_DumpLog (void) { const char *filename = "timeframes.txt"; int i; long frame; QFile *outputfile; if (demo_timeframes_isactive == 0) return; Con_Printf ("Dumping Timed Frames log: %s\n", filename); outputfile = QFS_Open (filename, "w"); if (!outputfile) { Con_Printf ("Could not open: %s\n", filename); return; } for (i = 1; i < demo_timeframes_index; i++) { frame = (demo_timeframes_array[i] - demo_timeframes_array[i - 1]) * 1e6; Qprintf (outputfile, "%09ld\n", frame); } Qclose (outputfile); }