mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 17:01:22 +00:00
417 lines
8.5 KiB
C
417 lines
8.5 KiB
C
/*
|
|
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__ ((used)) const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/cmd.h"
|
|
#include "QF/console.h"
|
|
#include "QF/cvar.h"
|
|
#include "QF/keys.h"
|
|
#include "QF/msg.h"
|
|
#include "QF/qendian.h"
|
|
#include "QF/sys.h"
|
|
#include "QF/va.h"
|
|
|
|
#include "client.h"
|
|
#include "compat.h"
|
|
#include "host.h"
|
|
|
|
char demoname[1024];
|
|
int timedemo_count;
|
|
|
|
static void CL_FinishTimeDemo (void);
|
|
|
|
cvar_t *demo_gzip;
|
|
cvar_t *demo_speed;
|
|
|
|
/*
|
|
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.demoplayback = false;
|
|
cls.demofile = NULL;
|
|
CL_SetState (ca_disconnected);
|
|
|
|
if (cls.timedemo)
|
|
CL_FinishTimeDemo ();
|
|
}
|
|
|
|
|
|
/*
|
|
CL_WriteDemoMessage
|
|
|
|
Dumps the current net message, prefixed by the length and view angles
|
|
*/
|
|
static void
|
|
CL_WriteDemoMessage (void)
|
|
{
|
|
int len;
|
|
int i;
|
|
float f;
|
|
|
|
len = LittleLong (net_message->message->cursize);
|
|
Qwrite (cls.demofile, &len, 4);
|
|
for (i = 0; i < 3; i++) {
|
|
f = LittleFloat (cl.viewangles[i]);
|
|
Qwrite (cls.demofile, &f, 4);
|
|
}
|
|
Qwrite (cls.demofile, net_message->message->data,
|
|
net_message->message->cursize);
|
|
Qflush (cls.demofile);
|
|
}
|
|
|
|
|
|
/*
|
|
CL_GetMessage
|
|
|
|
Handles recording and playback of demos, on top of NET_ code
|
|
*/
|
|
int
|
|
CL_GetMessage (void)
|
|
{
|
|
int r, i;
|
|
float f;
|
|
|
|
if (cls.demoplayback) {
|
|
// decide if it is time to grab the next message
|
|
if (cls.signon == SIGNONS) // always grab until fully connected
|
|
{
|
|
if (cls.timedemo) {
|
|
if (host_framecount == cls.td_lastframe)
|
|
return 0; // already read this frame's message
|
|
cls.td_lastframe = host_framecount;
|
|
// if this is the second frame, grab the real td_starttime
|
|
// so the bogus time on the first frame doesn't count
|
|
if (host_framecount == cls.td_startframe + 1)
|
|
cls.td_starttime = realtime;
|
|
} else if ( /* cl.time > 0 && */ cl.time <= cl.mtime[0]) {
|
|
return 0; // don't need another message yet
|
|
}
|
|
}
|
|
// get the next message
|
|
Qread (cls.demofile, &net_message->message->cursize, 4);
|
|
VectorCopy (cl.mviewangles[0], cl.mviewangles[1]);
|
|
for (i = 0; i < 3; i++) {
|
|
r = Qread (cls.demofile, &f, 4);
|
|
cl.mviewangles[0][i] = LittleFloat (f);
|
|
}
|
|
|
|
net_message->message->cursize =
|
|
LittleLong (net_message->message->cursize);
|
|
if (net_message->message->cursize > MAX_MSGLEN)
|
|
Sys_Error ("Demo message > MAX_MSGLEN");
|
|
r =
|
|
Qread (cls.demofile, net_message->message->data,
|
|
net_message->message->cursize);
|
|
if (r != net_message->message->cursize) {
|
|
CL_StopPlayback ();
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
while (1) {
|
|
r = NET_GetMessage (cls.netcon);
|
|
|
|
if (r != 1 && r != 2)
|
|
return r;
|
|
|
|
// discard nop keepalive message
|
|
if (net_message->message->cursize == 1
|
|
&& net_message->message->data[0] == svc_nop)
|
|
Con_Printf ("<-- server to client keepalive\n");
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (cls.demorecording)
|
|
CL_WriteDemoMessage ();
|
|
|
|
return r;
|
|
}
|
|
|
|
|
|
/*
|
|
CL_Stop_f
|
|
|
|
stop recording a demo
|
|
*/
|
|
void
|
|
CL_Stop_f (void)
|
|
{
|
|
if (cmd_source != src_command)
|
|
return;
|
|
|
|
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_WriteByte (net_message->message, svc_disconnect);
|
|
CL_WriteDemoMessage ();
|
|
|
|
// finish up
|
|
Qclose (cls.demofile);
|
|
cls.demofile = NULL;
|
|
cls.demorecording = false;
|
|
Con_Printf ("Completed demo\n");
|
|
}
|
|
|
|
|
|
/*
|
|
CL_Record_f
|
|
|
|
record <demoname> <map> [cd track]
|
|
*/
|
|
void
|
|
CL_Record_f (void)
|
|
{
|
|
int c;
|
|
char name[MAX_OSPATH];
|
|
int track;
|
|
|
|
if (cmd_source != src_command)
|
|
return;
|
|
|
|
c = Cmd_Argc ();
|
|
if (c != 2 && c != 3 && c != 4) {
|
|
Con_Printf ("record <demoname> [<map> [cd track]]\n");
|
|
return;
|
|
}
|
|
|
|
if (strstr (Cmd_Argv (1), "..")) {
|
|
Con_Printf ("Relative pathnames are not allowed.\n");
|
|
return;
|
|
}
|
|
|
|
if (c == 2 && cls.state == ca_connected) {
|
|
Con_Printf
|
|
("Can not record - already connected to server\nClient demo recording must be started before connecting\n");
|
|
return;
|
|
}
|
|
// write the forced cd track number, or -1
|
|
if (c == 4) {
|
|
track = atoi (Cmd_Argv (3));
|
|
Con_Printf ("Forcing CD track to %i\n", cls.forcetrack);
|
|
} else
|
|
track = -1;
|
|
|
|
snprintf (name, sizeof (name), "%s/%s",
|
|
qfs_gamedir->dir.def, Cmd_Argv (1));
|
|
|
|
// start the map up
|
|
//
|
|
if (c > 2)
|
|
Cmd_ExecuteString (va ("map %s", Cmd_Argv (2)), src_command);
|
|
|
|
// open the demo file
|
|
//
|
|
#ifdef HAVE_ZLIB
|
|
if (demo_gzip->int_val) {
|
|
QFS_DefaultExtension (name, ".dem.gz");
|
|
cls.demofile = QFS_WOpen (name, demo_gzip->int_val);
|
|
} else
|
|
#endif
|
|
{
|
|
QFS_DefaultExtension (name, ".dem");
|
|
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;
|
|
|
|
cls.forcetrack = track;
|
|
Qprintf (cls.demofile, "%i\n", cls.forcetrack);
|
|
|
|
}
|
|
|
|
|
|
static void
|
|
CL_StartDemo (void)
|
|
{
|
|
char name[256];
|
|
int c;
|
|
qboolean neg = false;
|
|
|
|
// disconnect from server
|
|
//
|
|
CL_Disconnect ();
|
|
|
|
// open the demo file
|
|
//
|
|
strncpy (name, demoname, sizeof (name));
|
|
QFS_DefaultExtension (name, ".dem");
|
|
|
|
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;
|
|
CL_SetState (ca_connected);
|
|
cls.forcetrack = 0;
|
|
key_dest = key_game;
|
|
game_target = IMT_0;
|
|
|
|
while ((c = Qgetc (cls.demofile)) != '\n')
|
|
if (c == '-')
|
|
neg = true;
|
|
else
|
|
cls.forcetrack = cls.forcetrack * 10 + (c - '0');
|
|
|
|
if (neg)
|
|
cls.forcetrack = -cls.forcetrack;
|
|
// ZOID, fscanf is evil
|
|
// fscanf (cls.demofile, "%i\n", &cls.forcetrack);
|
|
}
|
|
/*
|
|
CL_PlayDemo_f
|
|
|
|
play [demoname]
|
|
*/
|
|
void
|
|
CL_PlayDemo_f (void)
|
|
{
|
|
if (cmd_source != src_command)
|
|
return;
|
|
|
|
if (Cmd_Argc () != 2) {
|
|
Con_Printf ("play <demoname> : plays a demo\n");
|
|
return;
|
|
}
|
|
strncpy (demoname, Cmd_Argv (1), sizeof (demoname));
|
|
CL_StartDemo ();
|
|
}
|
|
|
|
static void
|
|
CL_StartTimeDemo (void)
|
|
{
|
|
CL_StartDemo ();
|
|
|
|
// 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_startframe = host_framecount;
|
|
cls.td_lastframe = -1; // get a new message this frame
|
|
}
|
|
|
|
static void
|
|
CL_FinishTimeDemo (void)
|
|
{
|
|
int frames;
|
|
float time;
|
|
|
|
cls.timedemo = false;
|
|
|
|
// the first frame didn't count
|
|
frames = (host_framecount - cls.td_startframe) - 1;
|
|
time = realtime - cls.td_starttime;
|
|
if (!time)
|
|
time = 1;
|
|
Con_Printf ("%i frame%s %.4g seconds %.4g fps\n", frames,
|
|
frames == 1 ? "" : "s", time, frames / time);
|
|
if (--timedemo_count > 0)
|
|
CL_StartTimeDemo ();
|
|
}
|
|
|
|
|
|
/*
|
|
CL_TimeDemo_f
|
|
|
|
timedemo [demoname]
|
|
*/
|
|
void
|
|
CL_TimeDemo_f (void)
|
|
{
|
|
if (cmd_source != src_command)
|
|
return;
|
|
|
|
if (Cmd_Argc () < 2 || Cmd_Argc () > 3) {
|
|
Con_Printf ("timedemo <demoname> [count]: gets demo speeds\n");
|
|
return;
|
|
}
|
|
if (Cmd_Argc () == 3) {
|
|
timedemo_count = atoi (Cmd_Argv (2));
|
|
} else {
|
|
timedemo_count = 1;
|
|
}
|
|
strncpy (demoname, Cmd_Argv (1), sizeof (demoname));
|
|
CL_StartTimeDemo ();
|
|
}
|
|
|
|
void
|
|
CL_Demo_Init (void)
|
|
{
|
|
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");
|
|
}
|