IRC log for #minetest-hub, 2019-01-16

Time	Nick	Message
00:01	rubenwardy	doesn't look too hard to fix, really
00:01	rubenwardy	it's definitely just a misuse of the API
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00:30	rubenwardy	LOOOOL
00:30	rubenwardy	oops, caps
00:31	rubenwardy	someone made a stackoverflow post 5 days ago title:" Could I host a Minetest Server on a Webserver"
00:31	rubenwardy	but they've deleted it since
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10:04	nerzhul	rubenwardy: heh i just downloaded part of my town and it's quit enice
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11:06	IcyDiamond	rubenwardy: ngx-minetest :DD
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12:39	rubenwardy	IcyDiamond: sounds like this https://github.com/andrewvy/knot
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12:54	IcyDiamond	xD
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16:12	ircSparky	has anyone here worked much with python and its file opening and writing?
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16:19	ircSparky	Im having an issue where its writing in such a way that when i open it with notepad++ and such, it looks fine, but when i copy and paste it somewhere else, or if minetest tries to read it, it's only partially there
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16:24	rubenwardy	Lua won't lock things well
16:24	rubenwardy	don't use files to communicate, use sockets or HTTP
16:26	sfan5	I don't know of any programming language / standard library that implicitly locks files when you open them
16:26	ircSparky	i guess that would be a lot better, how do you do that with a lua mod? (also the issue seems to be with the python writing, the decimal characters dont seem to be writing normally)
16:26	ircSparky	it does it in the file its writing as well as the log
16:26	sfan5	how do you write the file and how do you read it back?
16:26	ircSparky	f.write(id + " " + context + "\n")
16:27	ircSparky	local input = io.open(minetest.get_worldpath().."/mumble.txt","r")
16:27	sfan5	that's not enough context
16:28	ircSparky	k, getting a pastebin
16:29	ircSparky	https://paste.ubuntu.com/p/F9QTc2GKRG/ writing
16:29	ircSparky	https://paste.ubuntu.com/p/cTD2zfZ6Nw/ reading
16:30	sfan5	you're not closing the file
16:30	ircSparky	you mean in lua? I try to close it in like 19
16:31	sfan5	no, python
16:31	ircSparky	oh
16:31	sfan5	line 32 should read f.close()
16:33	ircSparky	ill try it
16:34	ircSparky	it dosnt change it
16:35	ircSparky	Elkien Minetest
16:36	ircSparky	thats what i can copy, it looks like "Elkien Minetest 127.0.0.1:30000" in the word editor
16:36	rubenwardy	just use with
16:36	rubenwardy	with open(a, b) as f:
16:36	rubenwardy	will close uaotmagically
16:37	sfan5	trying to empty the file after reading it might be problematic
16:37	ircSparky	the space between Minetest and the ip seems to be the cause of the issue
16:38	ircSparky	probably an invalid character
16:38	sfan5	sockets/HTTP or pipes are a better solution for these kind of things
16:39	ircSparky	is there a mod that uses that?
16:39	ircSparky	i guess irc probably does
16:41	nerzhul	in python use the with operator keyword when you open a file
16:42	ircSparky	"a+" you mean that? or something else?
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16:48	ircSparky	https://cdn.discordapp.com/attachments/264960789436301312/535137911973216258/Screenshot_87.png that NUL is the issue, it probably would also be the issue if i did http/sockets
16:55	ircSparky	i guess its with the program that sends the context to the mumble server
16:55	ircSparky	ill let you know what i find out
16:57	sfan5	you could replace null byte with a space before writing
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17:44	ircSparky	sfan5, how would i do that?
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17:50	ircSparky	nvm i got it, sorry for the ping
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19:00	Fixer	lol, """"compact"""" interface
19:00	Fixer	sorry, random offtopic
19:00	Fixer	but i was triggered
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19:40	rdococ	hmm
20:04	Fixer	ignore my messages
20:11	rdococ	I want to implement a programming language within a Minetest mod so that I have more control over it, but I'm not sure how to get started
20:12	rdococ	with a luacontroller, you have limitations - you have to use the debug library to detect timeouts, can't implement arbitrary control structures, etc.
20:38	sofar	http://lua-users.org/wiki/LuaInterpreterInLua
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20:43	rubenwardy	how about a C interpreter that can run Lua
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21:17	benrob0329	what about a C compiler in Lua that can compile the Lua Runtime and then compile C code from within that?
21:18	benrob0329	rdococ: seems to me you could probably use coroutines and raw Lua
21:18	benrob0329	with the sandboxing that mesecons does
21:19	benrob0329	http://lua-users.org/wiki/CoroutinesTutorial
21:22	sofar	that requires that MT can create a lua context for you and grants you control handles over it
21:22	sofar	in itself not a weird idea
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21:30	rdococ	benrob0329: I did try to add support to the luacontroller for "yielding" by running it in a coroutine, but it didn't really work out.
21:31	rdococ	The idea is that you would be able to yield to get the next event at any point in the code, instead of having to deal with the event at the start of the next execution.
21:42	benrob0329	I'd think that you would probably have to design a completely different even structure than mesecons has.
21:42	benrob0329	probably registering callback functions or returning a table with them
21:43	benrob0329	then run those inside a corutine
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22:08	* Sokomine	reprograms the official mt so that it creates screenshots in a much smaller format...
22:09	sofar	I think you can set the format, right?
22:09	sofar	maybe I'm just imagining it, though
22:09	Sokomine	yes. but i'd like to set it for all other players as well (my net is slow :/)
22:10	* Sokomine	distracts sofar a bit while changing some config values in all installed versions of mt everywhere....
22:10	benrob0329	Sokomine: PNGs on maximum compression?
22:10	benrob0329	or JPGs on maximum quality?
22:13	sofar	netpbm
22:13	sofar	16 bytes for a single pixel
22:13	sofar	no compression
22:16	Sokomine	rather jpegs on minimum quality :-)
22:17	Sokomine	people who build impressive may be allowed slightly larger pictures though :-)
22:17	Sokomine	(the .mts even for large structures seems to require far less space than any screenshot of it)
22:18	sofar	considering the screenshots posted in the screenshot thread on the forum, people have wildly varying ideas about what constitutes an "acceptable" quality level
22:19	Sokomine	hmm. you might be right about that
22:20	Sokomine	we might add a voting system :) screenshots voted up are allowed to be re-posted in higher quality :)
22:20	* Sokomine	ducks and hides behind a convenient tree
22:20	sofar	for ITB I kept a 1080p standard which I think is reasonable nowadays
22:22	Sokomine	i recently read an article about graphic cards used for gaming. it appears they target 4k resolution now? i don't quite understand that. modern phones also have crazy resolutions
22:23	sofar	so
22:23	sofar	think about it
22:23	sofar	if you enable e.g. fsaa/aliasing
22:23	sofar	you're already calculating more pixels
22:23	sofar	might as well disable fsaa/aliasing and just, do 4x the pixels
22:23	sofar	it'll actually look better
22:25	sofar	(I'm sure I've made somone frown there)
22:29	Sokomine	i'm not sure what i've enabled. transparent tree leaves - for sure, yes. those are on, even though they cost fps on my setup
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23:14	IcyDiamond	https://gitlab.icynet.eu/evert/towny/commit/82c7c9d694a6b79a5a00a7fad7085ac369d0d881 apparently areas mod's getAreasIntersectingArea modifies positions
23:14	IcyDiamond	thats odd
23:14	rubenwardy	ah yeah
23:14	rubenwardy	those sort of things are the worst
23:15	rubenwardy	I wish Lua had support for C.O.W
23:15	IcyDiamond	i like cows
23:15	rubenwardy	also, btw - vector.new(v) may be more efficient
23:15	rubenwardy	idk
23:15	rubenwardy	lol
23:15	IcyDiamond	eh its basically the same imo
23:15	rubenwardy	yeah
23:16	rubenwardy	nice commit message, lol
23:16	IcyDiamond	:P
23:16	IcyDiamond	yeah because my areas were vertically flipped for some reason and it confused me
23:17	IcyDiamond	i dont know how to deter 11's protector mod from being used inside towns tho
23:17	IcyDiamond	lack of api functions
23:18	rubenwardy	:'(
23:18	rubenwardy	yeah, areas is quite hackable because a lot of the functions are in the global table
23:18	IcyDiamond	yeah
23:19	IcyDiamond	https://gitlab.icynet.eu/evert/towny/blob/master/towny_hud/init.lua
23:19	IcyDiamond	#noharddeps
23:21	rubenwardy	'yay
23:22	IcyDiamond	https://gitlab.icynet.eu/evert/towny/commit/f77d754b5ffd8626396b3374466fa97e42442153 commit message fail
23:22	rubenwardy	ohhh
23:22	rubenwardy	I thought it was supposed to be a face with two arms waving
23:22	IcyDiamond	:D
23:22	rubenwardy	\(o-o\)
23:22	IcyDiamond	nah i thought i needed to escape the ()'s
23:22	IcyDiamond	but apparently not
23:23	rubenwardy	it's not a regex law
23:23	rubenwardy	*lol
23:23	IcyDiamond	dealing with bash weirdness has made me come to this conclusion
23:23	IcyDiamond	but i forgot that string literals are a thing i guess
23:24	IcyDiamond	i commit using git commit -m "message"
23:24	Sokomine	i do it the same way, icydiamond
23:25	rubenwardy	so do I
23:25	rubenwardy	it's pretty standard :)
23:25	IcyDiamond	some people use guis or just git commit which opens an editor
23:25	IcyDiamond	¯\_(ツ)_/¯
23:26	IcyDiamond	https://i.lunasqu.ee/Screenshot_19-01-17-01:26:08.png bit patchy activity
23:26	IcyDiamond	i do pretty nice streaks from time to time tho
23:27	IcyDiamond	dont worry my real name is public on purpose, im not afraid to use it
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23:40	IcyDiamond	Wait, intllib is basically getting included in minetest 5.0?
23:40	rubenwardy	no
23:40	IcyDiamond	I need to make my mods support translations
23:41	rubenwardy	there's a client-side translation support
23:41	rubenwardy	I think that may be in 0.4.16
23:41	rubenwardy	basically, translation languages per-player
23:41	rubenwardy	whereas intlib is for the whole server
23:42	IcyDiamond	Aha, very cool
23:43	IcyDiamond	Towny already has a lot of strings >.>
23:43	IcyDiamond	Mostly command feedback
23:44	rubenwardy	:D
23:44	rubenwardy	tbh, translation is unfortunately quite low on my priorities :(
23:44	rubenwardy	it would be nice if Minetest forced you to have translation support
23:44	rubenwardy	like Android does
23:44	IcyDiamond	Minetest does have a lot of foreign players though
23:44	rubenwardy	would also be nice if a certain someone did a tutorial on translation
23:44	rubenwardy	yeah
23:45	rubenwardy	btw, what about areas being made over towny
23:45	rubenwardy	ie: after towns are made
23:47	IcyDiamond	That part I haven't done anything about yet
23:47	IcyDiamond	:P
23:47	IcyDiamond	I plan on trying to stop protection mod collisions as much as I possibly can
23:52	IcyDiamond	Is world.mt combined with the minetest.conf in use?
23:52	IcyDiamond	Or is it something completely different
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23:52	GreenDimond	When modstorage is accessed is the entire file loaded to find the key in question?
23:53	sofar	I think actually the files are only read at startup
23:53	IcyDiamond	Is it not loaded into memory on load?
23:53	IcyDiamond	Yeah
23:53	sofar	but, ask nerzhul
23:53	GreenDimond	thats not possible
23:53	IcyDiamond	How so
23:53	GreenDimond	Mods need to be able to write to and read from at runtime
23:54	IcyDiamond	mod storage is saved periodically
23:54	GreenDimond	Mod storage should be saved whenever it is written to
23:54	IcyDiamond	That's a bit inefficient
23:54	rubenwardy	mod storage is a backed by a JSON file
23:54	rubenwardy	the JSON file is written out every map save interval, which is at least 10 seconds
23:54	rubenwardy	I forget
23:55	rubenwardy	so not every time it's written to
23:55	IcyDiamond	You can always make a flat file storage driver if you don't like modstorage
23:55	IcyDiamond	But you have been warned, it gets inefficient
23:55	GreenDimond	The problem is I need to save upwards of thousands of lines in a file that can access each line individually efficiently
23:55	GreenDimond	currently I am just scrubbing a text file
23:56	GreenDimond	but if I can use some other method of storage that can read indexes like a table that would be great
23:56	rubenwardy	don't use mod storage for that
23:56	rubenwardy	databases
23:56	IcyDiamond	Nobody answered my question tho
23:56	rubenwardy	or you could use seek
23:56	GreenDimond	I am using seek right now
23:57	rubenwardy	IcyDiamond: world.mt is something different
23:57	rubenwardy	so you can't put world specific settings in there
23:57	rubenwardy	except specific ones
23:57	GreenDimond	The other problem is I need to read the file backwards, which I am already doing, but it is a pain :)
23:57	rubenwardy	like damage etc
23:57	sofar	one of my mods writes json files from an external process into the world folder
23:57	sofar	that's not too difficult
23:57	sofar	reading json is easy in MT too
23:58	GreenDimond	So if I write to the database I can then read it by index later?
23:59	sofar	do you have 2 writers?
23:59	GreenDimond	?
23:59	sofar	who reads the "data"?
23:59	sofar	MT?
23:59	GreenDimond	Yes
23:59	sofar	who writes the data?

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