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| 04:00 |
tzenfore |
Where on earth is my other IRC client? |
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| 04:01 |
tzenfore |
Ah, I see. I still had Quassel Core running |
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| 04:09 |
crazylad |
is there anyone that is working on implementing colored lighting yet? just curious, as I am sort of learning how certain things in the MT engine work |
| 04:11 |
[MatrxMT] |
<Blockhead256> https://github.com/luanti-org/luanti/issues/2670 |
| 04:12 |
[MatrxMT] |
<Blockhead256> long time requested, but can't see any recent attempts |
| 04:18 |
crazylad |
ah, well, I've seen that issue - I've also seen this branch but iirc I could get it to work -> https://github.com/Andrey2470T/minetest/tree/colored_lighting |
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| 12:24 |
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| 12:24 |
Bombo |
hi |
| 12:26 |
Bombo |
is there a cmd that i can send to a server to see if it is running? i can connect with 'ncat -uv 192.168.2.109 30000' but i see no response... anything like version or stats? |
| 12:28 |
Bombo |
problem is client connect times out when i try to connect to .109 from .110, network seems to work though 'ncat -lu 30000' on .109 and 'ncat -uv .109' on .110 does work (i see what i type) |
| 12:33 |
MTDiscord |
<wsor4035> see the source of the irc !up command |
| 12:33 |
Bombo |
!up |
| 12:33 |
MinetestBot |
Bombo: give me an address and (optionally) a port |
| 12:33 |
Bombo |
!up 192.168.2.109 30000 |
| 12:33 |
MinetestBot |
192.168.2.109:30000 seems to be down |
| 12:34 |
Bombo |
!up source |
| 12:34 |
MinetestBot |
source:30000 seems to be down (host did not resolve) |
| 12:34 |
Bombo |
!source up |
| 12:34 |
Bombo |
!help up |
| 12:34 |
MinetestBot |
https://github.com/sfan5/minetestbot-modules/blob/master/COMMANDS.md |
| 12:52 |
Bombo |
why python and not lua ;) |
| 12:52 |
Bombo |
it worked, server is up, weird, i get timeout |
| 12:52 |
Bombo |
with the client |
| 12:58 |
Bombo |
when i connect with the client on .109 (to the dedicated server on .109) it works |
| 12:59 |
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| 13:09 |
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Bombo |
VERBOSE[ConnectionReceive]: con(56/0) Peer 1 sending from different address. Ignoring. |
| 13:15 |
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| 13:16 |
Bombo |
VERBOSE[ConnectionSend]: con(56/0)RE-SENDING timed-out RELIABLE to 192.168.2.109(t/o=0.5): count=1, channel=0, seqnum=65500 |
| 13:16 |
Bombo |
what does that mean hmmm |
| 13:16 |
Bombo |
ERROR[Main]: Connection timed out. |
| 13:19 |
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| 13:21 |
Bombo |
oh no, on .110 the serverup.py says 'seems to be down' |
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| 17:21 |
crazylad |
I wonder where in the source code light is rendered as a diamond on the map, and if it is possible to make it a circle... |
| 17:27 |
jonadab |
That would be a function of the mechanism by which light propagates from light-source nodes to adjacent voxels. |
| 17:28 |
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| 17:30 |
jonadab |
To make it a circle, I think the algorithm would probably have to skip over intermediate voxels and do distance calculations based on coordinates, taking into account all "sufficiently nearby" light sources. Could have performance implications, and working out things that _block_ light could be tricky to get right. |
| 17:30 |
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| 17:31 |
MinetestBot |
lhofhansl: Aug-09 01:37 UTC <repetitivestrain> as regards: https://github.com/luanti-org/luanti/pull/16339#issuecomment-3168986708 increasing the mapblock timeout is not sufficient unless the timeout is increased to truly extrodinary values, for it appears that mapblock usage counters are incremented when they are queued rather than when the emerge thread does in fact get around to generating them, so that even a modest amount of process |
| 17:40 |
crazylad |
jonadeb: oh, true - but I can't speak for how difficult things would be to implement in C++, since I don't even know how to code Lua well yet lol |
| 17:41 |
crazylad |
was just trying to find the file where it performs that algorithm to see if I can modify a few things |
| 18:06 |
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| 18:09 |
jonadab |
I think the change you're talking about would be less "modifying a few things" and more "rewriting the function with a completely different algorithm". |
| 18:09 |
jonadab |
But off the top of my head, I do not know whether it happens in lua, or in the engine. |
| 18:10 |
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| 18:13 |
luatic |
light propagation is C++ |
| 18:18 |
jonadab |
That makes sense, as it would give better perf. |
| 18:19 |
crazylad |
yes, I at least know that, but I have been searching around many C++ files, both client and server-side, and have not found the main function where this happens |
| 18:31 |
MinetestBot |
[git] lhofhansl -> luanti-org/luanti: Use consistent dtime_limit (#16492) 053ca62 https://github.com/luanti-org/luanti/commit/053ca6287ad417608393b51ed1a19bde3cc04755 (2025-09-12T18:29:40Z) |
| 18:34 |
jonadab |
crazylad: Have you looked through voxelalgorithms.cpp ? |
| 18:34 |
jonadab |
Maybe specifically look for places where the word "propagation" is used. |
| 18:34 |
jonadab |
Or the verb, "propagate" |
| 18:36 |
MTDiscord |
<nathan4220776> Or, even better: propagat |
| 18:36 |
* crazylad |
inspects that file |
| 18:37 |
crazylad |
hmm... "void spread_light()..." :D |
| 18:37 |
crazylad |
thanks jonadab |
| 18:57 |
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