IRC log for #minetest-dev, 2013-01-18

Time	Nick	Message
01:05	hmmmm	what is travis exactly?
01:39	marktraceur	hmmmm: It's a continuous integration tool
01:39	marktraceur	hmmmm: Basically the idea is, we configure it for a trigger, the trigger fires, and a build happens
01:39	marktraceur	hmmmm: In theory, we could build every git commit after it's pushed, but that might be too much
01:39	marktraceur	hmmmm: Maybe daily builds would be fine
01:40	hmmmm	that sounds like it's discrete, not continuous
01:40	hmmmm	there is no such thing as discrete integration, it ought to be called a 'finite series'
01:42	marktraceur	hmmmm: The point is, automatic builds.
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17:26	celeron55	thexyz: what kind of backups do you take of the forum?
17:27	thexyz	full sql backup ATM
17:27	thexyz	shall I add avatars backup?
17:27	thexyz	(or any other media punbb has)
17:28	celeron55	that is quite unimportant; the important thing is to have good backups of the sql
17:28	celeron55	(i define "good" as what i did - at least weekly, on a completely different computer)
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17:29	thexyz	those are taken every day at 3:10 MSK, gzipped, encrypted, emailed to me and uploaded to hetzner backup ftp
17:29	thexyz	is that enough?)
17:29	celeron55	yes 8)
17:30	VanessaE	no, you forgot to have them laser-engraved into a marble slab for storage in a retired missile silo ;)
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17:34	celeron55	thexyz: i think i'll set up a simple http page on c55.me at some point to which you can set up uploads too, so two people have access to them (which should be quite catastrophe-safe)
17:34	thexyz	ok
17:34	thexyz	btw, how should I send you a key?
17:38	celeron55	dunno, somehow safe-ish i guess...
17:38	thexyz	well, pm me your public RSA key then
17:50	iqualfragile	thexyz: i think it would be a bit safer for him to put it onto his website
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18:54	SiegeWizard	Hello
18:54	SiegeWizard	Is there anyone online?
18:55	PilzAdam	yes?
18:56	sfan5	yes
18:57	SiegeWizard	Im new to minetest
18:57	SiegeWizard	And i would wonder
18:57	PilzAdam	this is the development channel
18:57	SiegeWizard	if anyone could tell me how could i contribute
18:58	SiegeWizard	i know how to program quite well
18:58	PilzAdam	go to #minetest
18:58	SiegeWizard	i know its the development channel
18:58	SiegeWizard	thats why im in here
18:59	SiegeWizard	i was wondering
18:59	SiegeWizard	if you were looking for C programmers
18:59	sfan5	https://github.com/celeron55/minetest go there download the repo (best with git)
19:06	marktraceur	SiegeWizard: The answer is "absolutely!"
19:06	marktraceur	SiegeWizard: We'd love to have someone working with us on the engine, do please play around with the game and work on anything you'd like
19:06	marktraceur	There are also bugs listed in the GitHub issue tracker
19:08	SiegeWizard	I think that the bug list could be an easy way of playing arround with the code
19:08	SiegeWizard	that you all
19:08	Calinou	SiegeWizard: documentation is also a good thing to do
19:08	SiegeWizard	thank*
19:08	Calinou	write tutorials, mod documentation...
19:08	Calinou	the core gameplay is documented quite well for now
19:08	Calinou	http://wiki.minetest.com (yes, it's .com)
19:08	hmmmm	there's a regression that causes a lot of choppiness in gameplay that happened sometime in between 0.4.3's release and the current release
19:09	hmmmm	it would be very helpful to find which commit caused this exactly
19:09	Calinou	no difference for me
19:09	Calinou	hmmmm: shaders?
19:09	hmmmm	nah. they
19:09	Calinou	make sure you use same video settings and resolution to test
19:09	hmmmm	nah, they're cpu spikes*
19:10	Calinou	CPU usage is ok when playing minetest for me
19:10	marktraceur	SiegeWizard: If you want to document the engine, you can use http://dev.minetest.net
19:10	Calinou	(it can only go up to 12.5% anyway :-D)
19:10	hmmmm	it is noticably worse for me
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20:10	hmmmm	celeron55, everything is completely ready... http://pastebin.com/1FnSr6yR https://github.com/kwolekr/minetest/commits/no_mgv7
20:12	Calinou	mapgen v7 hater :-D
20:13	PilzAdam	i spawned like 20 meter above ground
20:23	RealBadAngel	hmmm, tried to compile it and got: http://pastebin.com/H0ugkCYM
20:23	hmmmm	you gotta be kidding me
20:23	hmmmm	#@$#$!@#
20:26	hmmmm	RealBadAngel, in porting.h on line 53, try adding #include <stdint.h> and try again
20:26	RealBadAngel	ok
20:28	hmmmm	i guess for me, stdint.h gets included implicitly through some strange concoction of other includes that doesn't work for linux
20:28	PilzAdam	it builds fine for me (kubuntu)
20:28	Calinou	you use windows?
20:28	Calinou	i'm going to try to build it
20:28	hmmmm	no.
20:28	Calinou	*BSD?
20:28	hmmmm	yeah
20:28	Calinou	lol
20:28	RealBadAngel	it compiles further now
20:29	hmmmm	RBA, what's the next error
20:29	RealBadAngel	no errors by now
20:29	hmmmm	oh okay
20:29	RealBadAngel	62% atm
20:29	hmmmm	i thought you meant "it errored again but got further than last time"
20:29	Calinou	lol, there is a yay_new_branch
20:29	hmmmm	that was celeron's name suggestion
20:30	Calinou	compiling
20:30	hmmmm	ahh it's going to be so good to have all this crap included so i can finally work on some different things
20:30	hmmmm	first on my list is add the new lua crap.
20:31	Calinou	finished
20:31	Calinou	RealBadAngel: beat you to it
20:31	hmmmm	what cpu you got
20:31	PilzAdam	hmmmm, I always spawn too high
20:31	hmmmm	pilzadam, always?
20:31	PilzAdam	2 times
20:32	hmmmm	that's interesting..... nobody else seems to be having that problem... does the terrain look okay?
20:32	PilzAdam	2 out of 2
20:32	hmmmm	lemme try a bunch more times and see
20:32	PilzAdam	yea, everything else is perfect
20:32	RealBadAngel	hmmmm, its ok now, compiled it
20:32	hmmmm	great
20:32	hmmmm	pilzadam, by "too high" you literally mean 20 blocks
20:32	Calinou	hmmmm: i7-2600K (not overclocked)
20:32	hmmmm	nodes rather
20:32	Calinou	using make -j8
20:33	hmmmm	calinou, same here just about :p
20:33	PilzAdam	hmmmm, 10 to 20 nodes
20:33	hmmmm	try once more
20:33	Calinou	hmmmm: what features does that branch bring? it seems to be based on 0.4.3, but nothing really changed
20:33	hmmmm	calinou, you mean master?
20:33	Calinou	terrain looks "normal" (like it would look with normal minetest)
20:33	Calinou	erm sry, i was using master
20:33	Calinou	forgot to checkout branch
20:33	PilzAdam	hmmmm, and again
20:33	PilzAdam	too high
20:33	hmmmm	okay
20:33	hmmmm	this is very interesting
20:33	hmmmm	and you say you were on kubuntu
20:33	Calinou	building again..
20:34	Calinou	i'm on xubuntu 12.10 btw
20:34	Calinou	PilzAdam: 12.10 too?
20:34	PilzAdam	yep
20:34	PilzAdam	and again too high, 4 out of 4
20:35	hmmmm	do you take damage from falling?
20:35	PilzAdam	i have disabled it
20:35	PilzAdam	lemme try
20:35	Calinou	http://paste.ubuntu.com/1546630/ <= I always get these errors with any minetest version when built, at the end
20:35	hmmmm	those aren't errors
20:36	PilzAdam	hmmmm, yes, i get damage
20:36	Calinou	i'm now using the branch, mapgen looks similar.
20:36	hmmmm	hmmmm
20:36	Calinou	i know, these are warnings, yeah
20:36	Calinou	<hmmmm> hmmmm <= lol
20:36	hmmmm	calinou, someday we will go through and fix all the warnings
20:36	hmmmm	gotta stay focused for now though
20:36	hmmmm	man it kills me to ignore all the other problems
20:36	PilzAdam	hmmmm, strange, I get no hurt screen and when I relogin the health gets restored
20:37	hmmmm	pilzadam, i just turned on damage and i take damage when spawning too
20:37	hmmmm	i thought it was "odd" because it seemed like i would only spawn 4-5 blocks above ground
20:37	hmmmm	my perception must've been off
20:38	hmmmm	okay, i'll change something really quick.
20:39	PilzAdam	what about the wrong damage handling?
20:39	hmmmm	that's 100% unrelated to my work
20:39	hmmmm	that's another bug for another day
20:39	PilzAdam	okay, will keep it in mind
20:39	hmmmm	okay, in server.cpp:4852, change groundheight+1 to groundheight-2
20:40	hmmmm	see how much that helps
20:40	PilzAdam	not much
20:41	hmmmm	did you take damage in the current master of minetest? just curious
20:43	PilzAdam	nope, I spawn directly on the ground
20:44	hmmmm	personally i like it a bit more if you drop onto the ground when starting a new map... it gives you the feeling that you were "dropped" into this piece of land by something
20:44	hmmmm	but it's not correct behavior and you take fall damage
20:44	Calinou	fake fall damage actually
20:44	PilzAdam	I like the idea too
20:44	Calinou	it's a bug ;)
20:44	Calinou	also, you don't alwyas fall
20:44	Calinou	imo you should always spawn at a certain height, like 80
20:45	hmmmm	it's better than the alternative, right? spawning stuck into the ground
20:45	hmmmm	alright hold on.
20:46	Calinou	never spawned stuck in the ground
20:46	PilzAdam	btw, does the minetest.register_biome() function work with your v6?
20:46	hmmmm	no, v6 doesn't make use of biomes
20:46	hmmmm	sorry i left it in there
20:50	hmmmm	okay weird.
20:51	hmmmm	i am not seeing the problem
20:58	hmmmm	this is very odd. when i respawn from dying i respawn right on the ground, no falling at all
20:59	hmmmm	when i spawn from a new map, i spawn semi-highish
20:59	hmmmm	and take fall damage that goes away when i log back on
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22:15	Wuzzy2	Is it currently possible to add a light source which emits (for instance) red light?
22:15	PilzAdam	no
22:15	Wuzzy2	darn it :-(
22:15	Wuzzy2	And why is this so?
22:16	PilzAdam	only one light value is stored, for every node edge
22:16	PilzAdam	if colored light would be added, you have to strore 3 values
22:16	Wuzzy2	so currently there is no RGB stuff, only a "brightness" thing, right?
22:17	PilzAdam	yep
22:17	Wuzzy2	oh, I understand
22:17	Wuzzy2	Why was that brightness thing chosen in favor of colored light?
22:18	PilzAdam	because its faster to just have on light values
22:18	PilzAdam	-s
22:18	Wuzzy2	faster? faster CPU time? faster network? what do you mean
22:19	PilzAdam	I dunno if the light calculation is done in CPU or GPU
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22:20	Wuzzy2	would it be much hassle to add colored light? would there be any drawbacks?
22:22	PilzAdam	someone need to make some benchmarking if it really increases the light calculation that much
22:27	doserj	lighting is all done on the CPU.
22:29	Wuzzy2	lol so I was right ... by chance :D
22:30	hmmmm	someone did colored lighting
22:31	Wuzzy2	WHAT?
22:31	hmmmm	somebody said that it's 3x slower...
22:31	hmmmm	never verified it though
22:31	Wuzzy2	where do I find it?
22:31	hmmmm	http://www.youtube.com/watch?v=1MWZxyCsbv4
22:31	hmmmm	"minetest colored light"
22:31	sfan5	wasn't that by kahrl?
22:32	hmmmm	looks like Queatz
22:32	Wuzzy2	you are my heroes. I have to d/l this now. :)
22:33	hmmmm	http://forum.minetest.net/viewtopic.php?id=1262
22:33	doserj	lighting calculations don't influence fps much, so 3 times slower wouldn't be a big deal
22:33	hmmmm	"Hmm seems to be so different now. I tried merging but there's a multitude of conflicts and c55 doesn't even want it so probably not unless it has some type of future."
22:34	doserj	it would be a substantial change to the core code, yes
22:34	Wuzzy2	and the link to the github page <https://github.com/Queatz/minetest/tree/colored_light> is 404 -_-
22:46	SiegeWizard	guys, you clame that the code is well comented
22:47	SiegeWizard	i have to disagree
22:47	PilzAdam	who said that?
22:47	SiegeWizard	the work is very impresive but the coments are quite random
22:47	SiegeWizard	I asked if i could help and i was told to read the code, taht is well comented
22:48	SiegeWizard	I seriously think that you need to make a common way of comented things apart from random coments where you think they are necesary
22:49	doserj	nobody said the code is well documented, as far as i know
22:49	PilzAdam	the only thing i can read in the log is that people have suggested that you can do some documentation
22:49	SiegeWizard	<Calinou> the core gameplay is documented quite well for now
22:50	doserj	gameplay != code
22:50	PilzAdam	<Calinou> SiegeWizard: documentation is also a good thing to do
22:50	PilzAdam	<Calinou> write tutorials, mod documentation...
22:50	SiegeWizard	he was talking about the dev wiki?
22:50	SiegeWizard	sorry then missunderstood
22:51	SiegeWizard	still think that the code need to reach an agreement on how to coment
22:51	hmmmm	most of the code is celeron's, the disagreement is basically all his
22:52	hmmmm	in general, /**/ type comments are "topic comments", they're supposed to separate chunks of code, while // comments are just commenting on some bit of code
22:52	SiegeWizard	yes ive seen that
22:53	SiegeWizard	some separation coments with /**/ and random coments on //
22:53	SiegeWizard	what i was trying to say is comments like this one:
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22:54	Cybersoft	hi, where would I start if I wanted to use curves and slopes in blocks? does it require code changes or the current code supports it%
22:55	hmmmm	it would require huge code changes.
22:55	SiegeWizard	what i was trying to say was:
22:56	SiegeWizard	it doesnt allow me to wirte it
22:56	PilzAdam	hmmmm, http://forum.minetest.net/viewtopic.php?id=4297
22:56	hmmmm	ah neato
22:56	Cybersoft	so the engine already support it
22:56	Cybersoft	I think I can delete minecraft now
22:56	SiegeWizard	/* funtion(param1,param2)
22:57	SiegeWizard	* param1:
22:57	SiegeWizard	* param2:
22:57	SiegeWizard	* return:
22:57	SiegeWizard	* description:
22:57	SiegeWizard	*/
22:57	hmmmm	microsoft style?
22:57	hmmmm	i think that's a bit too overkill
22:58	hmmmm	a lot of the code is self-documenting, as in, anybody can understand the code to a reasonable extent
22:58	SiegeWizard	commenting on an opensoruce project is never an overkill
22:58	doserj	I'm all for doxygen-style docs
22:58	SiegeWizard	doxygen.style?
22:58	hmmmm	instead of crapping up the code like that, it should be part of a wiki instead
22:58	hmmmm	definitely
23:00	SiegeWizard	well
23:00	SiegeWizard	it still should be comented somehow
23:00	SiegeWizard	and what i proposed is accepted as doxygen
23:01	SiegeWizard	http://www.stack.nl/~dimitri/doxygen/manual/docblocks.html
23:03	SiegeWizard	you only have to add an ! after the /*
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23:18	Cybersoft	world generation is handled with a lua script, right?
23:18	Cybersoft	I noticed that the underground seem to be completly opaque with no caves/etc in vanilla, are there random structures generated or is it landscape only in vanilla?
23:20	doserj	world generation is done in c++, not lua. and there are caves, but no random structures like dungeons etc.
23:21	Cybersoft	and as I understand it mods are lua + textures/models, but not c++ right?
23:22	doserj	yes
23:22	Exio	well, ore generation is in lua
23:23	Cybersoft	so if someone does things in c++ there will be an issue with svn and/or doing a fork right?
23:26	RealBadAngel	there is some dungeons generations code in mapgen.cpp
23:26	RealBadAngel	but its not used
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23:41	Cybersoft	so what's the dev situation? what features are being worked on and how many peoples is there on the project?
23:47	RealBadAngel	im workin now on L-systems treegen
23:48	RealBadAngel	im pretty close to finish the task, now adding just textures, extra objects like saplings, planks etc
23:49	Cybersoft	yeah the trees and the lack of curves/slopes is one of the reason I switched off from minecraft
23:49	Cybersoft	I saw the trees in mythruna, would L-system trees be similar to that?
23:49	RealBadAngel	http://forum.minetest.net/viewtopic.php?id=4218
23:49	Cybersoft	ie: with curved branches and the like?
23:50	RealBadAngel	look for my posts in this topic to see some screenshots
23:51	Cybersoft	yeah those are nice, btw it seems when I mine some ore I don't get the ore neither do I get a drop from the ore block - is that normal?
23:52	RealBadAngel	you get the lump from mining ore block
23:53	RealBadAngel	install moreores mod to get some more ores btw
23:53	RealBadAngel	many other mods depends on it
23:56	SiegeWizard	RBA
23:56	SiegeWizard	did u finish your L-system algorithm?
23:58	SiegeWizard	if you haven't: http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-94to95/hwchen/
23:58	SiegeWizard	if you have: nvm
23:58	RealBadAngel	engine part of generator is done
23:58	RealBadAngel	now im makin use of it
23:59	SiegeWizard	ok
23:59	Cybersoft	where are the block definition/model stored? I used a cactus texture from minecraft, but it seems the cactus block in minetest is larger because I'm getting transparency from the texture and I'd like to adjust it
23:59	RealBadAngel	there are already 12 tree models done

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