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IRC log for #minetest, 2017-02-08

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All times shown according to UTC.

Time Nick Message
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02:01 TheInformer Where is the code for the android controls located?
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02:21 TheInformer I need help with a mod now
02:24 TheInformer when i try to do local idx = player:hud_add({...}) it returns "Attempt to index a local 'player' (a nil value)
02:25 VanessaE if the place in your code that you're doing that command doesn't have player defined (e.g. passed along as part of a callback), well..you get the idea. :)
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02:25 VanessaE look in lua_api.txt, you'll be able to tell (it'll be "placer", "digger", "puncher", or whatever, but they're all just the player object)
02:27 TheInformer i had this aswell local player = minetest.get_player_by_name()
02:27 TheInformer and then the above code
02:28 VanessaE pastebin the full code
02:29 VanessaE and, for that ^^ call, you have to supply a player name
02:29 VanessaE (which you almost never want to make up)
02:29 TheInformer http://pastebin.com/WzBr9N4V
02:29 TheInformer so "username"?
02:29 VanessaE no, you can't do that.
02:29 VanessaE you have to get the player name from a call back or something
02:30 thePalindrome Most callbacks just give you the player object anyhow
02:30 VanessaE for example, the above code would probably be best run from within minetest.register_on_prejoinplayer(func(name, ip))
02:30 VanessaE er, on_joinplayer rather
02:31 TheInformer do i need the local player = ...?
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02:32 VanessaE you're not listening :P
02:32 TheInformer Sorry
02:32 VanessaE you have to get the player object from a callback
02:33 VanessaE from there, get the player name if you need it, but in the case of your code there, player would BE the player object (not the name)
02:33 TheInformer minetest:player?
02:33 VanessaE so you need to run your code from inside on_joinplayer or something, and get the player object from there.
02:34 TheInformer ok
02:34 TheInformer i tried
02:34 VanessaE (the lua_api doesn't make it perfectly clear, but on_joinplayer passes along a single item: the player object
02:35 TheInformer something like this?
02:35 TheInformer http://pastebin.com/wyC2eUGf
02:35 VanessaE I'm not sure, but that's close
02:36 TheInformer that returns unexpected symbol near 'local' on line 2
02:37 VanessaE http://pastebin.ubuntu.com/23951881/
02:37 diemartin TheInformer: do you have any programming experience?
02:37 VanessaE this is how it's used in cheapie's newplayer mod
02:38 diemartin also greetings
02:38 VanessaE hi
02:38 * cheapie peeks in for a second and returns to working on his hand dryer mod
02:38 VanessaE you can see in that paste basically what you wanna do
02:39 TheInformer diemartin: i have programming experience just not very much in lua
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02:42 TheInformer i did it, for now
02:43 TheInformer thanks for the help and i might need more later
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03:04 TheInformer how do i get the name of a node?
03:05 TheInformer that the player is pointing at
03:09 VanessaE minetest.get_node(pos).name
03:09 VanessaE where pos is taken from pointed_thing
03:10 VanessaE (there's an API call for that, too)
03:10 VanessaE get_pointed_thing_pos or some such
03:11 cheapie VanessaE: https://github.com/cheapie/handdryer
03:11 VanessaE wait what?
03:11 VanessaE :P
03:11 cheapie Adds hand dryers (normal and automatic). Screenshot: https://cheapiesystems.com/media/im​ages/screenshot_20170207_210934.png
03:11 VanessaE heh
03:11 cheapie [19:08:19] <VE-Creative> <cheapie> We need some hand dryers to go with these sinks :P
03:11 cheapie [19:09:02] <VE-Creative> <bulldog1> I agree.
03:11 VanessaE well, you know lezzy and I were considering renaming Home Decor to "Building Decor"...
03:11 VanessaE maybe the time has come to do that :P
03:13 cheapie Maybe.
03:19 TheInformer does minetest.get_node(pos).name return a string?
03:20 VanessaE yes
03:20 TheInformer ok
03:20 TheInformer thought so
03:20 VanessaE but generally you want to do something like,  local node = minetest.get_node(pos)  and then reference node.name later on as needed
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03:34 TheInformer i keep getting this same error "Attempted to index local 'node' (a nil value)
03:36 TheInformer pastebin.com/xWpPm3cz this is my current code
03:37 VanessaE does {pos} point to a node that's currently loaded?
03:37 VanessaE e.g. the mapblock it's in has been loaded t
03:37 VanessaE -t
03:38 TheInformer I assume
03:38 VanessaE don't assume
03:38 VanessaE where are you getting {pos} from?
03:38 TheInformer good point...
03:47 TheInformer so could i use something like this "local pos = minetest.get_pointed_thing_position(pointed, under)"
03:48 VanessaE if pointed_thing is passed along to your code from the engine, that may work
03:48 VanessaE you always have to start from the notion of the engine passing things to your code, whether it's the player object, the position of a node, or whatever
03:48 TheInformer what do you mean?
03:49 TheInformer oh
03:49 VanessaE whatever callback it is you run your code from, that's what determines what the engine gives you to work with
03:50 TheInformer what callback should i use?
03:50 VanessaE depends on what your code needs to do
03:51 TheInformer find the name of the block the player is pointed at, for now anyways
03:51 VanessaE and where, in your code, is the player at when you do that?
03:51 VanessaE are you running an on_punch?  on_joinplayer?
03:51 TheInformer on_joinplayer
03:51 TheInformer which wont work
03:51 TheInformer i think
03:52 VanessaE what exactly are you trying to do?
03:52 VanessaE why do you need to know what the player's pointing at?
03:53 TheInformer So I can display some things on the screen
03:53 VanessaE so you have what, a node that you need to punch to cause a formspec to open?
03:53 TheInformer that have to do with the node
03:53 TheInformer No
03:53 TheInformer No formspecs
03:54 VanessaE well whatever it is
03:54 TheInformer i want it to be automatic where you dont have to punch the node
03:54 VanessaE so you want to show something to the player as soon as he or she joins?
03:55 VanessaE or more like if the user walks over a special node or something?
03:55 thePalindrome Seems to be when they point at the note
03:55 thePalindrome *node
03:56 VanessaE you can't just randomly point at a node.  there needs to be some action taken to trigger the event
03:57 cheapie globalstep :P
03:57 VanessaE globalstep doesn't return anything useful except dtime
03:58 cheapie But then you can get a list of players, loop through that, and do whatever.
04:01 VanessaE true, but that's horribly hacky, slow, and you still don't know where the player is and can't determine what they're pointing at, since the latter is client-side
04:01 VanessaE (that's why there needs to be an event that passes pointed_thing or pos to the code)
04:02 VanessaE actually I'm wrong
04:02 VanessaE https://github.com/minetest/minetest/b​lob/master/doc/lua_api.txt#L2931-L2932
04:03 VanessaE so you CAN see what the player's pointed at, maybe
04:03 VanessaE or at least which way they're looking
04:03 VanessaE then you'll have to calculate which node positions are along that vector, read those, and see if one of them should elicit the "display whatever"
04:03 VanessaE but globalstep runs only every 1/10th second
04:04 VanessaE so too slow to catch fast player movements, plus that sort of code would be a CPU hog
04:04 TheInformer i think on_punch will work fine for now
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04:05 TheInformer Thanks Very Much for all the help
04:05 TheInformer If i ever release this mod I will give credit
04:05 VanessaE good luck
04:05 TheInformer Thanks
04:05 TheInformer bye
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06:49 MinetestBot [git] nerzhul -> minetest/minetest: Fix android build 607dab2 https://github.com/minetest/minetest/commi​t/607dab2b0dff3ca5bf59263e18f8eaab3c21b946 (2017-02-08T06:47:56Z)
06:52 Baffy[m] does anyone know how to adjust the spawn rate on Mobs Redo
06:52 Baffy[m] i see the setting, but what's 1000? what metric is it using?
06:53 Baffy[m] or is there a more popular mob addon?
06:53 Baffy[m] i never see animals anywhere with the default settings
06:55 Baffy[m] plz ping me if you know, i might sleep soonish
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08:05 PureTryOut[m] is there no official mob API? not planned either?
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08:24 sofar PureTryOut[m]: there is no consensus on any API right now, and none have been submitted for inclusion
08:25 PureTryOut[m] so it's not that it's not wanted, it's just that none has been submitted as of yet?
08:25 PureTryOut[m] seeing as there are some API's in the form of mods, I wonder why none of those authors have submitted a core API yet
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08:53 PureTryOut[m] Mobs are quite an essential aspect of any game like Minetest, strange that there is no API for it yet
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09:17 JamesTait Good morning all! Happy Wednesday, and happy Kite Flying Day! 😃
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10:08 passant[m] baffy: well one way is the documented way - manually for each mob or just increase the check radius ... a function somewhere in the api.lua ... i guess default is 16
10:13 passant[m] i guess it was moved to line 45 some days ago - line 2429 in my case
10:13 passant[m] i changed it to 64 which gave the general mob spawn a quite good balance
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13:26 Derr If I were a smarter man I'd turn land rush land claims into battle rush arena claims
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15:50 rdococ ...
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16:07 diemartin greetings
16:09 Krock red-001, srsly
16:09 Krock hi kaeza
16:09 red-001 hi Krock
16:09 Krock hi red-001
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16:12 diemartin o/ Krock
16:16 Krock \o/
16:16 Jordach \o/
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16:37 diemartin \o/?
16:39 agaran Hi diemartin
16:43 diemartin o/ agaran
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19:35 luizrpgluiz Hi :)
19:35 Krock hi
19:36 luizrpgluiz Some Brazilian here besides me?
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19:54 diemartin uruguayan at chui counts? :p
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19:56 diemartin he's gone i guess
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20:21 nasuga diemartin: he returned
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20:51 Fixer !seen grambuduts
20:51 MinetestBot Fixer: Sorry, I haven't seen grambuduts around.
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22:05 Fixer !seen deaco
22:05 MinetestBot Fixer: Sorry, I haven't seen deaco around.
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22:10 TheInformer Could i use the code from this mod https://forum.minetest.net/v​iewtopic.php?f=9&amp;t=10086 as long as i left a link to the source?
22:11 TheInformer And gave credit to the creator ofc
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22:13 sfan5 as you can see in the post it's "Code: LGPL"
22:13 sfan5 so you need to follow the license terms of the LGPL
22:14 TheInformer Ok
22:15 TheInformer So I just have to link the source code?
22:17 rubenwardy you also have to license your code under LGPL
22:21 nasuga TheInformer: This might help, [ What are the GPL and LGPL and how do they differ? ] https://www.youtube.com/watch?v=JlIrSMzF8T4
22:21 TheInformer Ok thanks
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