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IRC log for #minetest, 2017-06-01

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Time Nick Message
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00:32 Devy Hello? Anyone here?
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00:36 Devy Hi!
00:37 kaiser hi Devy
00:38 Devy Do any of you know much about mapgen? more about voxel manipulation?
00:38 kaiser never played minetest, trying to install it
00:38 kaiser thinking about just buying another minecraft account
00:38 Devy Ah. Are you on linux or windows?
00:39 kaiser FreeBSD
00:39 Devy Alright. Just a sec.
00:39 kaiser simply cant compile it
00:39 kaiser complaining about opengl or something
00:40 kaiser its a problem actually with my graphics driver
00:40 Devy hmmm. It would be hard to figure out how to help without a log.
00:40 Devy oh.
00:40 kaiser ill give you the fatal line
00:40 Devy Great!
00:41 kaiser /usr/local/bin/minetest: Undefined symbol "stat"
00:41 kaiser i installed the binary instead and i get that error^
00:41 Devy hmm. ok. give me a couple secs. Let me try and figure it out.
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00:42 kaiser cool, thanks
00:47 Devy Alright. I can't find anything specific that includes that error, but I would reccomend visiting this page  (if you haven't already) http://www.minetest.net/downloads/     press ctrl-f and type freebsd for more instructions on that page.
00:48 Devy You might be able to just use 0.4.15 by using the command "pkg install minetest minetest_game"
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00:49 Devy Go to the Linux part of this page https://github.com/minetest/minetest and follow it to a T
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01:01 bigfoot547 Hello!
01:04 kaiser hi bigfoot547
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04:04 Devy Hello? Anyone want to help me improve the performance of my mod a bit?
04:05 bigfoot547 Ok
04:05 Devy Great! Any experience with map generation or voxel manipulation?
04:06 bigfoot547 No, sorry
04:06 Devy Ah. No problem!
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06:02 MinetestBot [git] red-001 -> minetest/minetest: Fix dropdown menu selection (#5847) a7787bb https://git.io/vHRji (2017-06-01T06:00:26Z)
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08:51 Out`Of`Control Hi
08:52 Out`Of`Control What could cause my server disappear from public server list?
08:58 red-001 Out`Of`Control, is it still online?
09:05 Out`Of`Control red-001: now it appear again, but it was gone, i wonder why
09:06 red-001 maybe you lost connection to the serverlist
09:06 red-001 the server pings the server list every few minutes iirc to let it know its still online
09:09 Out`Of`Control red-001: there are players on server so ping should be fine
09:10 red-001 thats not the issue
09:11 red-001 the connection between your server and the server list is the issue
09:11 red-001 you should see something about "servers.minetest.net" in the logs
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13:03 Pannutti hello
13:03 Pannutti how do i uninstall a compiled minetest?
13:03 Pannutti (linux mint)
13:04 sfan5 how did you install it?
13:04 Pannutti as i said, compiled from sources
13:04 sfan5 so sudo make install?
13:04 Pannutti yes
13:05 sfan5 you need to find install_manifest.txt and then you can run xargs rm <install_manifest.txt
13:06 Pannutti what is xargs?
13:07 Calinou that'd require sudo in most cases, sfan5
13:07 Calinou unless it was installed to a non-system-wide location
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13:24 Pannutti alright thanks
13:26 Out`Of`Control what is wrong with runinplace
13:26 Calinou Out`Of`Control: it's not a matter of run-in-place or not, actually
13:27 Calinou you can make a non-run-in-place build and install it in an arbitrary folder in your /home, using eg. -DCMAKE_INSTALL_PREFIX="~/minetest-build"
13:27 Calinou "make install", in this case, can be used without sudo
13:27 Calinou run-in-place is nice for portable builds, but it's a mess for non-portable ones :)
13:28 Out`Of`Control i see
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14:13 red-001 Taoki, bad connection?
14:14 Taoki red-001: No, reinstalling the system package for my IRC client. Had some issues after a distro update.
14:14 Taoki It's over now... sorry for the reconnects.
14:15 Taoki Sorry for reconnecting so much earlier everyone: Had some issues with the package of my IRC client, and had to reinstall and test an updated version. Should no longer be having any more problems now.
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14:17 ThomasMonroe do players have metadata and can you add to that?
14:20 ThomasMonroe like, can you add a variable "experience" and how would you do that if you can?
14:23 calcul0n not sure, but i don't think players have metadata
14:23 mmuller ThomasMonroe: the only way that I found to do this was to store information, qualified by player name, in the world's filesystem.
14:24 calcul0n i generally create a table with player name as key and some table containing all the datas as value
14:24 calcul0n then store that in a file
14:25 ThomasMonroe hmm
14:25 mmuller calcul0n: that works, though if you have a lot of players that's going to be a very big file
14:25 ThomasMonroe ok so heres what im trying to do,
14:25 calcul0n yes, if you have a lot of datas you can also create one file per player
14:25 ThomasMonroe i want the players to gain experience based on what nodes they dig and place
14:28 ThomasMonroe and as they gain exp they can gain acess to better tools
14:29 ThomasMonroe how would i do something like that?
14:30 calcul0n hmm, that looks complicated :)
14:30 calcul0n you'll have to forbid some craft recipes, i don't see how to do that
14:31 calcul0n unless you get the tools by some other way
14:31 ThomasMonroe cant i override on_dig and check to see what tools is doing the digging?
14:33 calcul0n yes, you should use minetest.register_on_dignode for that i think
14:33 calcul0n then find the wielded item on the digger
14:35 ThomasMonroe ok
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14:58 thefamilygrog66 howdy folks
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17:43 DS-minetest is there a function to get modpath?
17:44 sfan5 !api
17:44 MinetestBot Someone thinks you should read the API docs, please go to: https://github.com/minetest/mine​test/blob/master/doc/lua_api.txt
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17:44 DS-minetest yeah, i havent found it but maybe it's just undocumented
17:45 DS-minetest ooh, i forgot to say, i mean client side
17:45 red-001 no
17:45 DS-minetest ok
17:45 red-001 before servers are allowed to send CSM mods we would have to remove such a function anyway
17:46 red-001 CSM shouldn't be aware or need to be aware of the underlying filesystem
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18:17 PureTryOut[m] > servers are allowed to send CSM mods
18:17 PureTryOut[m] now that is promising
18:18 Krock sounds dangerous
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18:21 Guest666 Hello
18:22 kaeza greetings
18:22 Guest666 I've just compiled minetest from github, and i'm having low FPS and kind of lag. What can cause this?
18:22 Calinou Guest666: what graphics card/operating system are you using?
18:23 kaeza also, nice guest number nickserv
18:23 Guest666 AMD Radeon graphics on Linux Mint 18 with XFCE and compiz
18:23 Guest333 Illuminati confirmed.
18:28 Calinou Guest666: if you disable compositing in Compiz, does it perform better?
18:28 Calinou (not sure if you can still do that)
18:28 Calinou (last time I used Compiz was in ~2011, IIRC)
18:29 Hijiri does compiz still have wobbly windows?
18:29 Calinou not sure :P
18:30 Calinou but I did use them, a while ago
18:33 Guest666 Not really
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18:36 Guest666 Welcome Wuzzy
18:36 Wuzzy hi
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18:55 Guest666 Think I've a solution see ya
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20:34 kaeza https://xkcd.com/979/
20:35 bigfoot547 lol
20:39 Fixer kaeza: feels bad man
20:39 bigfoot547 Yep.
20:40 bigfoot547 It might only happen once, but when it does...
20:41 red-001 well this is only a single game
20:41 red-001 sometimes it's hard to find good info on entier operating systems
20:42 bigfoot547 Yep
20:42 red-001 e.g. old versions of windows ce
20:42 Fixer windows ce 4.2
20:43 Fixer iirc
20:43 red-001 windows CE 4.2 .net core
20:43 Fixer PPC 2002 was slow as hell on my PDA
20:43 Fixer PPC 2003 had serious performance improvement
20:44 Fixer very noticeable
20:44 bigfoot547 I had to survive windows vista once...
20:44 Fixer music/videos etc
20:44 bigfoot547 Now I have windows on a vm.
20:44 Fixer since it was optimised for XScale 275mhz cpu iirc
20:44 red-001 huh I wonder are there linux drivers for activesync
20:45 Fixer had problems with active sync
20:45 red-001 oh thats pretty bad
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20:45 Fixer my pda image backup was made on XP one, and was not compatible with 7
20:45 Fixer since battery is dead
20:45 red-001 active sync is like your only life line when modding these things
20:45 Fixer each time i need to flash backup version of windows to it
20:46 Fixer had to use VM to reflash and to make new backup via Win7 new tool
20:46 Fixer also
20:46 Fixer I had problems with file transfer, it was insanely slow, like 200 kbyte/sec
20:46 Fixer update to windows PPC 2003 increased it significantly
20:47 Fixer from XX to this 200 or so
20:47 red-001 huh so is the system image getting corrupted a common problem?
20:47 Fixer red-001: not corrupted, bat dies and ROM or how it is called is resetted
20:48 red-001 I remeber having to track down the image for reflashing my system and finding a way to enter u-boot
20:48 Fixer it is not really reflash but something like going back to backup via special tool
20:48 red-001 It was freezing on the startup screen, before touch input, active sync etc, but after the boot loader
20:49 red-001 oh I think your issue was diffrent then
20:50 red-001 I only had boot loader access, and needed to reflash the rom image, not the flash disk
20:51 red-001 ehh not uboot, utool
20:51 red-001 but then you had a PDA and I was messing around with a GPS unit that happened to run windows ce
20:52 Fixer 32 MB RAM, 32 MB flash ROM
20:53 Fixer i had gps inserted into CF-card slot
20:53 Fixer was pretty amazing
20:53 Fixer that was before android era
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21:19 MinetestBot [git] juhdanad -> minetest/minetest: Do not shade inventory items with textures (#5869) 001de6f https://git.io/vHEN3 (2017-06-01T21:18:55Z)
21:19 MinetestBot [git] nerzhul -> minetest/minetest: Show singlenode mapgen to menu (#5868) 1c69476 https://git.io/vHENs (2017-06-01T21:18:24Z)
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22:08 Out`Of`Control only my server get flooded with hacked clients with "-Using Minehacker client. Built by Jeremiah Wibberding (two_steps)." message on each line?
22:09 red-001 yeah it's a shit hacking client
22:09 red-001 ban on sight
22:09 Out`Of`Control they add that text on each line
22:09 red-001 yes
22:09 red-001 I have no idea why
22:09 Out`Of`Control banned 100 of them today
22:09 Out`Of`Control maybe even more
22:09 red-001 but it's right there in the source code they released
22:09 red-001 Out`Of`Control, make a mod do it automatically?
22:09 Out`Of`Control anyway to block that client?
22:10 Fixer lolol
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22:10 Out`Of`Control there was a troll build cobble wall 50 nodes high around other players homes.
22:11 Out`Of`Control i banned them, now this hacked client join every 2 min
22:11 Out`Of`Control had to use iptables
22:11 PureTryOut[m] what exactly can such a client do more than the normal client can?
22:11 red-001 they just removed some basic limits
22:12 red-001 and apprently the player has a VPN or something
22:12 PureTryOut[m] what kind of limits?
22:12 red-001 fairly basic stuff
22:12 Out`Of`Control it was all from greec till now
22:13 red-001 it bypass privilege checks on the client
22:13 red-001 client-sided damage
22:13 red-001 and it fakes bypassing: kicks, bans, server-sided damage
22:14 PureTryOut[m] hmm
22:14 red-001 also if you have anticheat disabled it can bypass tool interact limits
22:14 red-001 their source code is a mess
22:16 Fixer thats why we need server side basic anticheat
22:16 red-001 I mean we do
22:16 red-001 it's just not great
22:18 PureTryOut[m] thats why it needs improving 😛
22:18 PureTryOut[m] meh, even non-hacked clients can cheat now with CSM. the first x-ray mod already exists
22:19 red-001 it's a pretty shitty x-ray mod tbh
22:19 Out`Of`Control red-001: not sure about limits, but they can fly for sure
22:19 red-001 I mean you have to read of co-ords
22:19 red-001 and then mine the blocks yourself
22:20 red-001 plus x-ray was already mostly possible if you disabled camera updates
22:20 red-001 you could see all the caves
22:21 red-001 and then there is the transparent texture exploit
22:21 Fixer or with custom texture pack iirc
22:21 Fixer on the other hand
22:21 Fixer why would you use hacks? game gets really boring that way
22:21 red-001 who knows
22:22 red-001 maybe somehow feeling better then other players, but I doubt shitty x-ray does that
22:23 red-001 kinda surprised we don't have more fly/fast/noclip hackers
22:23 red-001 they have to change literally a single line of code in a header file
22:24 bigfoot547 Yeah, it is pretty easy.
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22:24 red-001 my theory is that most people competent enough to build minetest are not interested in cheating in the first place
22:25 bigfoot547 Except for octacian and I.
22:25 PureTryOut[m] ooh you don't know people
22:25 octacian O_o
22:25 PureTryOut[m] people can be really shitty
22:26 octacian *no comment*
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22:27 red-001 or at least competent to hide their cheating and not announce it publicly
22:27 red-001 note the most people
22:27 red-001 jk
22:28 octacian :rotfl:
22:28 octacian heh, I need to rebase my hacked client. It's currently sitting on 0.4.14-dev I think :rotfl:
22:28 octacian However, I'll probably never get to it, which is a good thing
22:28 red-001 lol
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22:29 bigfoot547 There is nothing wrong with having a hacked client, just using it is bad, right????
22:29 red-001 well I ported my colour hacks from a custom client to a lua mod
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22:29 octacian bigfoot547: I agree
22:29 octacian red-001: You mean the rainbow stuff?
22:29 red-001 yeah
22:29 octacian Cause if yes, that is the best clientmod ever :rotfl:
22:30 red-001 now everyone can use annoying orange and teal or rainbow text
22:30 red-001 at least until they get kicked for being annoying
22:30 PureTryOut[m] 🙄
22:31 bigfoot547 Yes, hacking is ok, just don't get caught :)
22:31 red-001 you know democratisation of being annoying
22:36 red-001 btw https://forum.minetest.net/vi​ewtopic.php?f=53&amp;t=17775
22:36 red-001 !title
22:36 MinetestBot red-001: [clientmod] Coloured chat [colour_chat] - Minetest Forums
22:36 Out`Of`Control i wonder no other server get this hacked clients?
22:37 red-001 eh they do every so often
22:37 red-001 I assume it might get a bit worse as minetest becomes more popular
22:39 octacian What is with all the backwards compatibility worry?
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22:41 red-001 because people are bad at updating software
22:43 Out`Of`Control can i ban old clients on server side?
22:43 Out`Of`Control block
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23:04 red-001 Out`Of`Control, yes
23:04 Out`Of`Control how?
23:06 red-001 you could either use strict protocol checking or write a mod that checks the client has  at least your target protocol version
23:08 red-001 why do you want to block old clients?
23:08 Out`Of`Control thanks
23:08 Out`Of`Control red-001: to block hacked client
23:08 red-001 oh
23:08 Out`Of`Control red-001: i think they use tor or something
23:08 red-001 huh maybe you could only run it on new users
23:10 red-001 http://ipduh.com/ip/tor-exit/
23:10 red-001 well in that case wouldn't it make more sense to figure out what they are using and block that?
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23:12 red-001 lol username of the creator of minehacker is angry-squirrel
23:14 red-001 it seems the version string of minehacker is "0.4.14-dev-a9b1585-dirty"
23:14 Out`Of`Control red-001: tells me not tor
23:14 red-001 Out`Of`Control, are you able to compile a modified version of minetest?
23:15 Out`Of`Control red-001: why not
23:15 red-001 it change needed to be able to check the version string from lua is fairly simple
23:17 red-001 move https://github.com/minetest/minetest/blob/m​aster/src/script/lua_api/l_server.cpp#L256 to before the "#ifndef NDEBUG"
23:18 red-001 so the whole function should look something like this https://pastebin.com/PLs5NaDK
23:19 bigfoot547 A smart person would remove "-dirty" before using the hacked client
23:19 red-001 bigfoot547, they where using git anyway
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23:20 Out`Of`Control and probably hes here
23:21 AntumDeluge I don't think I got an answer on this, but is there a way to disable damage from torches?
23:21 red-001 anyway if they are not using the version I acquired there is still a decent chance their commit id could be used to id them
23:22 red-001 I mean they didn't remove the annoying message about who made the client so I don't think they modified it
23:22 Out`Of`Control red-001: but i think its same person, always walk at one place and build wall
23:22 Out`Of`Control at same spot
23:24 red-001 well I can't really recommend anything other then try and ban them by checking thier version string and try and figure out a pattern for their ips so you can ban them all
23:24 Out`Of`Control thank you red-001
23:26 red-001 anyway there is this thing called sleep that apparently humans need to survive
23:26 red-001 night all
23:26 bigfoot547 bye
23:27 Out`Of`Control gn
23:28 soupfly AntumDeluge, torches cause damage?
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23:35 soupfly AntumDeluge, I think there is a clue in the torch.lua file. "flammable=1" is part of it's groups
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23:35 soupfly AntumDeluge, removing it may remove it's ability to harm players?
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