IRC log for #bzflag on 20101129

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00:25.00Packmanwhat's the most reliable way of getting a millisecond timer on linux in c++?
00:25.16Packmani'm using clock() but it doesn't work on linux :/
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00:50.33trepanPackman: it depends on what kind of timer you want
00:50.47trepanclock() -> "an approximation of processor time used by the program"
00:50.56trepan(first line in the man page's desc.)
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01:03.44Packmani tried that, but it doesn't do milliseconds on linux
01:05.11Packmanand i would use bz_getCurrentTime(), but it seems off by up to 10%. It doesn't have the same time scale as, say world weapon lifetime
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01:29.38mrapplehmmmm
01:29.40mrappleerror: cannot convert ‘bzApiString’ to ‘const char*’ for argument ‘1’ to ‘int atoi(const char*)’
01:29.49mrappleint points = atoi(params.get(2));
01:31.09mrapplei thought atoi was apistring to int
01:32.53mrappleah
01:32.53mrappleatoi(params.get(0).c_str());
01:32.56mrapple*headdesk*
01:39.10kierra_awayPackman: ping
01:43.41AnxuizPackman: time(NULL) should work
01:44.53PackmanAnxuiz: i'm looking for something that does milliseconds
01:45.10Anxuizoh, I guess that only does seconds
01:51.30mrapplebug testing ... bzextreme.com:5156 anyone
01:53.24mrappleThank you
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01:55.33BulletCatcherPackman: bz_getCurrentTime() is just a wrapper for TimeKeeper::getCurrent(), which is intended to return the current timestamp as accurately and precisely as possible.  Why do you think it is in error?
02:02.16PackmanBulletCatcher: I checked again just now (i use windows, don't know how it performs on linux). If my code isn't faulty, it seems like bz_getCurrentTime is even 1.6 times faster than window's clock()
02:02.45BulletCatcherWhat do you mean by "faster"?
02:03.29PackmanI started two timers at 0, bz_getCurrentTime yields 40 seconds when clock() was on 25 seconds at the same time
02:04.24BulletCatcherbz_getCurrentTime() should give you the number of seconds since the program started.  You can't reset it.
02:05.06PackmanEarlier I also used bz_getCurrentTime() alongside bz_fireWorldWeapon's lifetime, expecting them to be very close. For a 30 second shot lifetime the bz time was about 3 seconds off
02:05.54PackmanI used "bz_getCurrentTime() - a", where a was initialised to the start
02:07.41BulletCatcherTimeKeeper::getCurrent() is the fundamental source of time used throughout the code base.  If it isn't working right, then *everything* will be wrong.
02:08.06BulletCatcherAccording to trepan, clock() refers to CPU time used, not wall clock time.
02:08.31mrappleis the die event called when a player is killed with bz_killPlayer() ?
02:08.59AnxuizI think so
02:09.11mrappleyeah. but its not killed with /kill in game
02:09.22mrapplewierd eh
02:10.12mrappleoh wait maybe it is
02:10.17mrapple*double checks*
02:10.30Anxuizthe bzfs API is very weird
02:10.34mrapplehehe
02:12.33PackmanI can only say that on windows the bz_getCurrentTime() is not agreeing with the server's own weapon lifetime.
02:13.25PackmanA supposed-to-be 30 seconds differs by a few seconds from my stop watch (I'm sure my reaction time isn't THAT bad)
02:13.44BulletCatcherhas great respect for Packman's reaction time
02:14.40BulletCatcherI suspect that closer examination would reveal a bug in the weapon lifetime calculation.
02:15.11PackmanBut the weapon lifetime agrees with windows clock() and my stopwatch
02:16.09PackmanSeems to me the windows clients always have more problems :/
02:17.53BulletCatcherPlease check the Windows documentation for clock() to see whether it is supposed to return wall clock time or elapsed CPU time.  It is the latter on Linux.
02:22.38PackmanAccording to MSDN, visual studio 2005 and 2010 have clock that : Calculates the wall-clock time used by the calling process.
02:23.32Packmanclock_t clock() that is
02:24.02BulletCatcherHuh.  So much for standards.
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02:47.32BulletCatcherI was hoping that the local time displayed in the upper right corner of the GUI was based on the TimeKeeper class.
02:47.34BulletCatcherBut no, it just calls time().
02:48.59BulletCatcherI am trying to imagine the consequences of high drift for the TimeKeeper class.
02:51.55BulletCatcherI would expect world weapon timers to be in sync with TimeKeeper drift rather than closely following external time.
02:52.52BulletCatcherSo I can't explain the difference you are seeing, Packman.
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03:04.07trepanhttp://msdn.microsoft.com/en-us/library/4e2ess30(VS.71).aspx -- "Remarks: The clock function tells how much time the calling process has used."
03:05.38trepan... ditto for the VS2010 page
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03:06.58trepanprefers getrusage(), or anything with the term "usage" instead of just clock() :)
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04:02.05delusionalIt looks like teppic's BZW toolkit for blender no longer exists.    Does anybody have any clues where i mightfind that?
04:02.48trepani have a 2.0.2 version
04:03.43delusionalsure would be nice to get that saved on an svn server somewhee.
04:06.10trepanhttp://trepan.bzflag.bz/BZWTools-2.0.2.tar.bz2
04:06.22delusionalerr,  not really, since it's no longer being updated.    
04:09.36trepandid you find this mirror?:  http://static.bzexcess.com/downloads/BZWTools/
04:10.09delusionali did not
04:10.52delusionalthankyou trepan, you always come through with the good stuff.
04:11.04trepanremoves the file from his bzflag.bz directory
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11:31.34kierra_awayhi zaph
11:32.08zaphhi kierra_away  ;)
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17:57.33alezakoshttp://code.google.com/p/flagonspawn/ --> flagOnSpawn plugin
18:01.50blast007really worth it's own project...?
18:01.56blast007its*
18:02.55alezakoserm, I think so
18:03.09alezakoswhy does it s*?
18:03.37blast007it was a correction
18:03.52alezakosaha
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18:30.07Cobra_Fastwhich theme does the bzbb use?
18:33.07Cobra_Fastah proFormell
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19:14.07Constitutionalezakos: http://my.bzflag.org/bb/viewtopic.php?f=79&t=9249
19:24.17alezakosConstitution, mine is better, you can change flags without need to restart, anyway, going to rename it
19:47.39Constitutionalezakos: the code I see in the project doesn't seem to do all that, but good luck anyway
19:47.55alezakosto do what?
19:50.00alezakosand I didn't publish it on the forums yet
20:11.05JefferyMhe probably got it from your project's repository
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20:16.01PackmanWhat does 'persistent' mean in BZF_API bool bz_setBZDBDouble ( const char* variable, double val, int perms = 0, bool persistent = false );?
20:18.03blast007Packman: that probably doesn't have any effect for the server
20:18.16JefferyMit's used by the client to know if it should store it in the config
20:18.17blast007for the client, it means it saves to the config file (iirc)
20:26.43Packmanwhat does it return? I got false when the variable was set
20:28.04JefferyMit means you can't set it when you are on the server
20:28.27JefferyMthe client and the server use the same class for bzdb that's why the API exposes it, but don't set it on the server
20:28.57JefferyMthere is no bzdb config file on the server so it can't save it as persistent
20:35.25blast007Packman: were you trying to save it as persistent?
20:36.12PackmanNo. I just though the function would return whether the variable was set or not as a world variable
20:36.18Packmanthought*
20:36.31JefferyMthere is an "exists" funciton to see if the var is there
20:37.46alezakosiirc, the function returns whether the variable was set succesfully or not
20:37.47blast007heh, looks like either a bug in the code, or a weird feature
20:38.34blast007the function sets 'exists' based on if the variable exists, then sets it, but doesn't update exists to reflect if the change took place
20:39.04JefferyMI didn't really understand bzdb when I wrote all that
20:39.05blast007so if it didn't exist when it was run the first time, it will return false even if it worked
20:40.40JefferyMI can't see how a set would ever "Fail" so having the return code say if it was created or not is not a bad thing
20:41.47blast007well, don't some things have clamps, such as _tankSpeed?
20:42.18JefferyMit would still set it, just clamp it
20:42.28blast007true..
20:42.35JefferyMif it clamed to 1 and was 0.5 and you asked to set it to 2, it would be set to 1
20:42.37JefferyMstill a change
20:42.40blast007return 'maybe' in that case ;)
20:42.49JefferyMtrinary computing FTW
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23:05.22mrapple~bzflist
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23:22.41mrapplecatking00: not cool
23:30.50blast007?
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23:53.47catking00wat aple?

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