ref: 42681cb8ee1bab11448ddda478f5791b6b7699e9
dir: /cl_demo.c/
#include <u.h> #include <libc.h> #include "dat.h" #include "quakedef.h" #include "fns.h" static void timedm(void) { int f; float t; cls.timedemo = 0; f = host_framecount - cls.td_startframe - 1; t = realtime - cls.td_starttime; if(t == 0.0) t = 1; Con_Printf("%d frames %5.1f seconds %5.1f fps\n", f, t, f / t); } void abortdemo(void) { if(!cls.demoplayback) return; closedm(); cls.demoplayback = 0; cls.state = ca_disconnected; if(cls.timedemo) timedm(); } void stopdemo(void) { if(cmd_source != src_command) return; if(!cls.demorecording){ Con_Printf("stop: no recording in progress\n"); return; } SZ_Clear(&net_message); MSG_WriteByte(&net_message, svc_disconnect); writedm(); closedm(); cls.demorecording = 0; } static int dmmsg(void) { if(cls.signon == SIGNONS){ if(cls.timedemo){ if(host_framecount == cls.td_lastframe) return 0; cls.td_lastframe = host_framecount; if(host_framecount == cls.td_startframe + 1) cls.td_starttime = realtime; }else if(cl.time <= cl.mtime[0]) return 0; } if(readdm() < 0){ abortdemo(); return 0; } return 1; } int readcl(void) { int r; if(cls.demoplayback) return dmmsg(); for(;;){ r = NET_GetMessage(cls.netcon); if(r != 1 && r != 2) return r; if(net_message.cursize == 1 && net_message.data[0] == svc_nop) dprint("<-- server to client keepalive"); else break; } if(cls.demorecording) writedm(); return r; } void timedemo(void) { if(cmd_source != src_command) return; if(Cmd_Argc() != 2){ Con_Printf("timedemo <demoname> : gets demo speeds\n"); return; } playdemo(); if(cls.demoplayback != 1) 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 = 1; cls.td_startframe = host_framecount; cls.td_lastframe = -1; /* get a new message this frame */ } void recdemo(void) { int c, trk; char *s, *a; if(cmd_source != src_command) return; c = Cmd_Argc(); if(c < 2 || c > 4){ Con_Printf("record <demoname> [<map> [cd track]]\n"); return; } trk = -1; if(strstr(Cmd_Argv(1), "..") != nil){ Con_Printf("recdemo: invalid path\n"); return; }else if(c == 2 && cls.state == ca_connected){ Con_Printf("recdemo: too late, already connected\n"); return; }else if(c == 4) trk = atoi(Cmd_Argv(3)); a = Cmd_Argv(1); if(c > 2) Cmd_ExecuteString(va("map %s", Cmd_Argv(2)), src_command); s = va("%s/%s%s", fsdir, a, ext(a, ".dem")); dprint("recdemo: writing to file %s\n", s); if(opendm(s, trk) < 0){ Con_Printf(va("recdemo: %r\n")); return; } cls.demorecording = 1; cls.forcetrack = trk; } /* 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 lump. */ void playdemo(void) { char *s, *a; if(cmd_source != src_command) return; if(Cmd_Argc() != 2){ Con_Printf("playdemo <demo> : plays a demo\n"); return; } CL_Disconnect(); a = Cmd_Argv(1); s = va("%s%s", a, ext(a, ".dem")); dprint("playdemo: reading file %s\n", s); if(loaddm(s) < 0){ Con_Printf(va("playdemo: %r\n")); cls.demonum = -1; return; } cls.demoplayback = 1; cls.state = ca_connected; }