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DDraceNetwork
Development / developer
Development discussion. Logged to https://ddnet.tw/irclogs/ Connected with DDNet's IRC channel, Matrix room and GitHub repositories — IRC: #ddnet on Quakenet | Matrix: #ddnet-developer:matrix.org GitHub: https://github.com/ddnet
Between 2021-04-23 00:00:00Z and 2021-04-24 00:00:00Z
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Learath2 2021-04-23 01:09:30Z
20 kiloamps??? jesus
01:09
so much current
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TsFreddie 2021-04-23 01:58:46Z
02:00
we predicted the projectiles with tunezones. why aren't we showing them with tunezones settings as well?
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GitHub BOT 2021-04-23 03:03:02Z
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TsFreddie
[ddnet/ddnet] Pull request opened: #3788 force tunezone
Video demo: https://cdn.discordapp.com/attachments/293493549758939136/834971531464671252/2021-04-23_09-57-35.mp4 (notice the speed difference between player's shotgun bullets and the bouncing ones) Since TuneZones are known (baked into the map), and entities' position received are known. We have a pretty good reason, if the server is believed to make use of it (GAMEINFOFLAG_PREDICT_DDRACE_TILES), to make entities always reference TuneZone settings, even if they are not predicted. Intr...
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TsFreddie 2021-04-23 03:14:46Z
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TsFreddie 2021-04-23 06:15:59Z
Feel free to test more cases, and I think we should get this tested before moving on to get characters works the same way which might needs some updates to gamecore which is 😫.
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GitHub BOT 2021-04-23 06:17:06Z
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bors[bot]
[ddnet/ddnet] Issue closed: #3361 Antiping: double jump particles of other players invisible
06:17
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bors[bot]
[ddnet:master] 3 new commits
75d185c fix airjump for antiping - TsFreddie bef5dee Fix dummy's airjump trigger - TsFreddie f9430f7 Merge #3787 - bors[bot]
06:17
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bors[bot]
[ddnet/ddnet] Pull request closed: #3787 Fix Airjump for Antiping
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TsFreddie 2021-04-23 06:18:13Z
Also I think it might be a good idea to get this to mappers before making it into release. Although it is not a new feature, but this may potentially encourage smaller tunezone which they can utilize. justatest
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[freenode] chillerdragon[m] BOT 2021-04-23 07:09:49Z
So Ryozuki are you pro tabs? Do you use it for all your projects?
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Ryozuki 2021-04-23 07:15:39Z
chilledragon tbh i dont care because neovim is smart + i have a plugin that auto adjusts
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[freenode] chillerdragon[m]
37.59.55.192:9408 it says Blockworlds by 13x37 in /info :D
Deleted User 2021-04-23 07:23:03Z
actually chiller this one isn't mine, my server is 34.77.60.48:8404
07:23
this ip is by m!ki
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Ryozuki
chilledragon tbh i dont care because neovim is smart + i have a plugin that auto adjusts
Comrade 2021-04-23 07:31:08Z
is it really smart?
07:31
what about this code: namespace stuff { void function(unsigned int number_a, unsigned int number_b, unsigned int number_c, unsigned int number_d, unsigned int number_e, unsigned int number_f) { // something } }
07:31
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07:31
this is the only correct formatting 🙂
07:32
(in terms of tabs and spaces)
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Ryozuki 2021-04-23 07:33:16Z
https://streamable.com/yh5o7d
07:33
ignore the audio xd im watching spacex
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Comrade 2021-04-23 07:34:43Z
can you also show whitespace characters to check what it adds?
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Ryozuki 2021-04-23 07:36:21Z
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07:36
@Comrade are u sure what u sent has tabs
07:36
i think discord deleted them
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Comrade 2021-04-23 07:36:40Z
probably
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Ryozuki 2021-04-23 07:36:49Z
send a file directly
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Comrade 2021-04-23 07:36:59Z
test.cpp
269 bytes
07:37
oh no 😄
07:37
discord automatically converts file to this thing
07:37
test.zip
262 bytes
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Ryozuki 2021-04-23 07:37:46Z
rip
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07:37
i mean
07:38
this tabs my vim introduces makes more sense
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Comrade 2021-04-23 07:39:04Z
well, if you try to push this to GitHub and view it there, you'll see that it's broken
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Ryozuki 2021-04-23 07:39:14Z
but thats github fault
07:39
im using this btw https://github.com/tpope/vim-sleuth
tpope/vim-sleuth
sleuth.vim: Heuristically set buffer options. Contribute to tpope/vim-sleuth development by creating an account on GitHub.
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Comrade 2021-04-23 07:39:38Z
tab is not 4 spaces always
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Ryozuki 2021-04-23 07:39:41Z
with more code i think its more accurate
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Comrade 2021-04-23 07:40:19Z
but don't worry, i think all automatic tools fail to do indentation correctly in all cases
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Ryozuki 2021-04-23 07:40:27Z
yeah
07:40
i format my rust code always
07:40
cargo fmt
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Comrade 2021-04-23 07:40:34Z
it's up to us humans 😄
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Ryozuki 2021-04-23 07:40:39Z
greenthing
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heinrich5991
well, you kinda need it if you want to decompress the data
becc 2021-04-23 09:13:58Z
So that i can allocate that memory and save it in there? For the decompression algorithm itself the size is not needed, is it?
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Astramast 2021-04-23 09:19:57Z
Idea : a new tile that swap your state : id u are freeze, it unfreeze u, if u are not freeze, it freeze u. Same with deep
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becc
So that i can allocate that memory and save it in there? For the decompression algorithm itself the size is not needed, is it?
Ryozuki 2021-04-23 09:28:44Z
iirc on low level langs like C++ you may need to allocate a buffer where the decompressed data goes and thats prob why its there
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becc 2021-04-23 09:33:49Z
OKay
09:34
And aren't ItemOffsets kinda useless?
09:34
Since each item contains it's size
09:35
Or vice versa
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Ryozuki 2021-04-23 09:38:49Z
maybe its to access those items faster
09:38
idk
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becc 2021-04-23 09:39:18Z
oh i see
09:39
So you don't have to load everything to memory instantly
09:39
But you could skip itemsize then
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GitHub BOT 2021-04-23 10:50:16Z
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def-
[ddnet-web:master] 1 new commit
0d8d6c6 Add back temporary Brazil2 - def-
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Ryozuki
rip
louis 2021-04-23 14:05:27Z
ugh u need to decrease the alpha of those tab/space indicators
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GitHub BOT 2021-04-23 14:38:28Z
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def-
[ddnet/ddnet] Issue opened: #3789 Crash on test servers with rcon usage
``` (gdb) bt #0 0x000056009d33cc36 in CGameTeams::ResetRoundState (this=this@entry=0x56009ee14b80, Team=Team@entry=64) at /home/teeworlds/src/master/src/game/server/teams.h:53 #1 0x000056009d33f93e in CGameTeams::OnCharacterDeath (this=0x56009ee14b80, ClientID=1, Weapon=Weapon@entry=-2) at /home/teeworlds/src/master/src/game/server/teams.cpp:879 #2 0x000056009d304d72 in CCharacter::Die (this=0x56009d3f84d0 , Killer=, Weapon=Weapon@entry=-2) at /home/teeworlds/src/master...
14:45
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def-
[ddnet/ddnet] Pull request opened: #3790 Fix crash on test servers (fixes #3789)
Thanks to Cøke for report

Checklist

  • [x] Tested the change ingame
  • [ ] Provided screenshots if it is a visual change
  • [ ] Tested in combination with possibly related configuration options
  • [ ] Written a unit test if it works standalone, system.c especially
  • [ ] Considered possible null pointers and out of bounds array indexing
  • [ ] Changed no physics that affect existing maps
  • [ ] Tested the change with [ASan+UBSan or valgrind's memcheck](https://github.com/ddnet/ddnet/#...
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heinrich5991 2021-04-23 15:53:40Z
@becc yes, it's only needed for the allocation
15:53
@becc yes, there is some redundant data in data files
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Ryozuki
iirc on low level langs like C++ you may need to allocate a buffer where the decompressed data goes and thats prob why its there
Learath2 2021-04-23 16:32:24Z
Even in higher level languages you usually want to reserve the space upfront if you can, less allocations the better
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Ryozuki 2021-04-23 16:32:43Z
ye
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Learath2
Even in higher level languages you usually want to reserve the space upfront if you can, less allocations the better
Ryozuki 2021-04-23 16:33:00Z
i just thought he may be using python or smth
16:33
and i didnt meant it as a bad thing
16:33
pepe_straight
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Learath2 2021-04-23 16:33:53Z
I wonder if python lets you pre-allocate buffer space like this
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Ryozuki 2021-04-23 16:34:19Z
the way i check if a langs works like this is usually looking how udp sockets work
16:34
since they usually require buffers
16:34
well u probs just tell the recv size and it gives u the buffer
16:34
u dont have to do anything probs
16:35
(python)
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Learath2 2021-04-23 16:35:14Z
but I wonder if python would allocate the buffer at once
16:35
Some high level languages even given a buffer size like this prefer to use it as a max size instead
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Ryozuki 2021-04-23 16:35:45Z
kek
16:35
Image attachment
16:36
use std::net::UdpSocket; fn main() -> std::io::Result<()> { { let mut socket = UdpSocket::bind("127.0.0.1:34254")?; // Receives a single datagram message on the socket. If `buf` is too small to hold // the message, it will be cut off. let mut buf = [0; 10]; let (amt, src) = socket.recv_from(&mut buf)?; // Redeclare `buf` as slice of the received data and send reverse data back to origin. let buf = &mut buf[..amt]; buf.reverse(); socket.send_to(buf, &src)?; } // the socket is closed here Ok(()) } rust is more or less like c++
16:36
BASED
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Learath2 2021-04-23 16:41:36Z
okay python seems to allocate the entire buffer and doesn't do much magic before recvmsg
16:42
atleast CPython, idk about other implementations
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heinrich5991 2021-04-23 16:42:07Z
you cna pass your own buffer to a similarly named function
16:42
in py
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Ryozuki 2021-04-23 16:43:01Z
why does CPython have a GIL but jython and others not?
16:43
jython name looks so ugly
16:43
The GIL was invented because CPython’s memory management is not thread-safe. With only one thread running at a time, CPython can rest assured there will never be race conditions.
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Learath2 2021-04-23 16:44:16Z
How they still keep the GIL to this date is insane to me
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Ryozuki 2021-04-23 16:44:28Z
@Learath2 they dont want nobos to run into this maybe
16:44
since python is already the lang of nobos
16:44
idk
16:44
you can work around this with multiprocessing
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Learath2 2021-04-23 16:45:05Z
It's a very easy way to handle the memory management issue, true but there are many ways to do memory management that doesn't require the entire process to halt 😄
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Ryozuki 2021-04-23 16:45:09Z
multiprocessing is a package that supports spawning processes using an API similar to the threading module. The multiprocessing package offers both local and remote concurrency, effectively side-stepping the Global Interpreter Lock by using subprocesses instead of threads.
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Learath2 2021-04-23 16:45:51Z
That's a decent workaround
16:46
might not be the friendliest thing to modern cpu schedulers though
16:46
from what I've heard they are aware of the concept of threads and handle them differently nowadays
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Ryozuki 2021-04-23 16:47:13Z
the only thing i like about java is when you get the inheritance stuff right and everything seems to fall in place easily, it feels rly good
16:47
coffee
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Learath2 2021-04-23 16:47:34Z
Hm, the inheritence in C++ is similar imo and less cancer than java
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Ryozuki 2021-04-23 16:47:45Z
well yeah i guess
16:47
i never worked on a project with lot of oop in c++
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Learath2 2021-04-23 16:48:04Z
The thing I enjoy about java is that it's easy to prototype with
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Ryozuki 2021-04-23 16:48:04Z
and ddnet is a mess
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Learath2 2021-04-23 16:48:38Z
And a very pretty functional programming interface imo, I think I told you before how much I enjoy javas streams
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Ryozuki 2021-04-23 16:48:48Z
yeah im using java streams a lot
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Learath2 2021-04-23 16:48:50Z
(not amazing at performance though)
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Ryozuki 2021-04-23 16:49:18Z
PepeA
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16:49
im doing a grave sin
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Learath2 2021-04-23 16:49:27Z
things like .parallelStream().filter() are actually quite nice
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Ryozuki 2021-04-23 16:49:29Z
im using google firebase
16:49
pepe_straight
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Learath2 2021-04-23 16:50:07Z
Never used firebase, is it nice?
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Ryozuki 2021-04-23 16:50:13Z
its too easy
16:50
google knows their stuff
16:50
xd
16:50
10 mins and u have authentication for ur app
16:50
monkaS
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Learath2 2021-04-23 16:50:59Z
Hm, I've been wanting to do my own authentication thing sometime. I just don't really like the solutions out there
16:51
I want something I can refer to when I have to do authentication, maybe a symfony module
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Ryozuki 2021-04-23 16:51:41Z
@Learath2 ur solution will probs not provide this many methods
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16:51
or it will take u lot of time
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Learath2 2021-04-23 16:52:25Z
Well usually these all conform to the oauth standard
16:52
so adding a new provider is usually as trivial as adding a new url to a list
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Ryozuki 2021-04-23 16:52:40Z
monkaS u only add the analytics dep and u have all this
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16:52
monkaS
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Ryozuki
monkaS u only add the analytics dep and u have all this
Learath2 2021-04-23 16:52:54Z
cool, do they have debugging stuff aswell?
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Ryozuki 2021-04-23 16:53:06Z
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Learath2
And a very pretty functional programming interface imo, I think I told you before how much I enjoy javas streams
becc 2021-04-23 16:53:15Z
Java Streams API is just nice
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Ryozuki 2021-04-23 16:53:32Z
any modern lang has that stream api in some kind of form
16:53
it was just java being late to the party
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Ryozuki
any modern lang has that stream api in some kind of form
Learath2 2021-04-23 16:54:39Z
I think python has the worst form of it, followed very closely by C++
16:55
The prettiest is probably either JS or Java
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Ryozuki 2021-04-23 16:55:04Z
rust ones are 1st class and they usually compile better than user made for loops
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jao 2021-04-23 16:55:41Z
rust numero uno
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Ryozuki 2021-04-23 16:55:48Z
https://doc.rust-lang.org/book/ch13-04-performance.html
Comparing Performance: Loops vs. Iterators - The Rust Programming L...
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Learath2 2021-04-23 16:55:55Z
I haven't used them much in rust yet. I'm thinking of making a backend with actix to learn more rust
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Ryozuki 2021-04-23 16:55:58Z
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becc 2021-04-23 16:57:22Z
Kotlin Sequences are nice as well (edited)
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Ryozuki 2021-04-23 16:57:26Z
@Learath2 https://doc.rust-lang.org/std/iter/trait.Iterator.html check all the methods on the left side
std::iter::Iterator - Rust
API documentation for the Rust Iterator trait in crate std.
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becc
Kotlin Sequences are nice as well (edited)
Learath2 2021-04-23 16:58:06Z
Kotlin is running in the JVM too, right? I guess it'd be similar to Java's
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Ryozuki 2021-04-23 16:58:10Z
ye
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becc 2021-04-23 16:58:19Z
Yep, it's compiling to Bytecode
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Learath2 2021-04-23 16:58:19Z
(at the very least in terms of performance characteristics)
17:00
Honestly when I do mobile apps it's all in react-native nowadays, I genuinely don't really have a reason to learn either Kotlin or Swift
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Ryozuki 2021-04-23 17:00:35Z
@Learath2 android studio is really well made tbh
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Learath2 2021-04-23 17:00:48Z
For the rare cases where I want some native functionality that's not implemented yet or has an implementation I don't like, I just go to Java and Objective-C
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becc 2021-04-23 17:01:20Z
I really like Java or meanwhile Kotlin is my favourite. I'm doing a lot of things with because most of my stuff doesn't need the fastest execution time or most efficient memory management.
17:02
Im only writing Android Apps and the native support with Kotlin is excellent - can't compare to React (no experience)
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Ryozuki 2021-04-23 17:02:28Z
rust is my favourite and its fast and memory efficient
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Learath2 2021-04-23 17:02:30Z
How can you compare to React if you haven't experienced react? 😄
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Ryozuki 2021-04-23 17:02:31Z
aPES2_Insane
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Learath2
How can you compare to React if you haven't experienced react? 😄
Ryozuki 2021-04-23 17:02:39Z
who
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becc
Im only writing Android Apps and the native support with Kotlin is excellent - can't compare to React (no experience)
Learath2 2021-04-23 17:02:45Z
^^
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becc 2021-04-23 17:02:50Z
Well I used React for Websites
17:03
I don't like the JSX syntax
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becc
Im only writing Android Apps and the native support with Kotlin is excellent - can't compare to React (no experience)
Ryozuki 2021-04-23 17:03:14Z
yeah kotlin will obviously be good since google wants to get rid of java
17:03
for android
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Learath2 2021-04-23 17:03:32Z
Now the react ideology and syntax we can argue about all day, I really don't enjoy it either, but I can easily get a very native looking application with actual native transitions in react in about no time
17:03
Kotlin I'd guess offers a similar turn around, but I honestly find no need for it
17:04
maybe if I was starting out with mobile development today I could prefer Kotlin
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becc 2021-04-23 17:04:37Z
I never tried React Native because I only did a few small personal projects only for mobile
17:04
And I am using android
17:04
So Kotlin is perfect - And i am not that unexperienced with Kotlin
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Learath2 2021-04-23 17:05:35Z
I made apps for startups, one great thing with react-native is that I can basically just use the same "inner workings" for the website
17:06
I just have to worry about the presentation layer and the business logic is already implemented once, absolutely brilliant for maintainance
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Ryozuki 2021-04-23 17:06:10Z
https://code.blender.org/2021/04/cycles-x/ poggers
brecht
Cycles X — Blender Developers Blog
Celebrating 10 years of the Cycles render engine, and sharing what is next.
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becc 2021-04-23 17:06:52Z
The reasons why I'm asking a lot about datafiles/maps is because I am trying to implement a small map-parser in Kotlin (Datafile reading is successfully already - no ddnet support yet)
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Ryozuki
https://code.blender.org/2021/04/cycles-x/ poggers
Learath2 2021-04-23 17:07:05Z
blender is probably my favourite example of opensource success
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Ryozuki 2021-04-23 17:07:17Z
same
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Learath2 2021-04-23 17:07:24Z
It's unbelievable how good it has gotten over the last years
17:07
s/last/last couple/
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Ryozuki 2021-04-23 17:07:41Z
and
17:07
another example
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becc
The reasons why I'm asking a lot about datafiles/maps is because I am trying to implement a small map-parser in Kotlin (Datafile reading is successfully already - no ddnet support yet)
Learath2 2021-04-23 17:07:46Z
Oooh, what are you making?
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Ryozuki 2021-04-23 17:07:48Z
they also made a post ytesterday
17:07
https://lichess.org/blog/YF-ZORQAACAA89PI/why-lichess-will-always-be-free.
Why Lichess will always be free.
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Learath2 2021-04-23 17:09:28Z
In conclusion, the answer to the question "why is Lichess free?" is very simple. Why wouldn’t it be? Our only goal is to have the best website possible. To that end, adding ads, paywalls, or trackers would make no sense.
props to these guys aswell, amazing project
17:09
it's also far superior to any other chess site out there, it works perfectly and looks extremely pretty
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Learath2
Oooh, what are you making?
becc 2021-04-23 17:14:04Z
just playing round a bit :o
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becc 2021-04-23 17:32:03Z
And only datafiles yet - no more information
17:32
Still trying to understand the Teeworlds Code - C++ can be kinda weird
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Learath2 2021-04-23 17:40:32Z
teeworlds is barely C++, it's more C
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heinrich5991 2021-04-23 19:12:38Z
https://www.youtube.com/watch?v=8--5LwHRhjk
Inigo Quilez
Painting a Selfie Girl, with Maths
19:13
title might be a bit clickbaity, sorry
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heinrich5991 2021-04-23 19:24:50Z
https://blog.chromium.org/2021/04/digging-for-performance-gold.html
Digging for performance gold: finding hidden performance wins
We are fortunate that so many people choose Chrome as their browser to get things done, which is why we are continually investing in making ...
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19:25
quite hard to find bugs like that, I'm surprised that they did find that one
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GitHub BOT 2021-04-23 21:43:41Z
Author icon
def-
[ddnet-web:master] 1 new commit
b94fbc9 Add 50 € donation by Im 'corneum (Message: Bruder Gib Admin PW) - def-
troll 3
💖 2
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Ryozuki 2021-04-23 22:43:50Z
omg
22:43
i caught this in time
22:43
https://ldjam.com/
22:43
i probs wont do anything tho
22:44
but i always catch this after 2 days it started
22:44
https://ldjam.com/events/ludum-dare/48
22:44
PepeA
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Souly 2021-04-23 22:44:53Z
@Ryozuki when win this
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Ryozuki 2021-04-23 22:45:00Z
it sucks that it starts at 3 am
22:45
such an american time
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Souly 2021-04-23 22:45:31Z
do u have to start working on your project at 3 am?
22:45
i though its just when event starts
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Ryozuki 2021-04-23 22:45:52Z
well no
22:45
u can start before
22:46
"You’re free to start with any base-code you may have."
22:46
but whats the point
22:46
the thing about this is to make a game in 72 hours
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lynn 2021-04-23 22:46:18Z
.-. seems like not really a jam then
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Ryozuki 2021-04-23 22:46:29Z
@lynn it is a jam
22:46
i think this is more to not limit ppl
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lynn 2021-04-23 22:46:34Z
nono i mean (edited)
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Ryozuki 2021-04-23 22:46:43Z
also most jams are like t his
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lynn 2021-04-23 22:46:43Z
the fact they allow starting code
22:46
ah
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Ryozuki 2021-04-23 22:46:50Z
u cant rly forbid this
22:46
nobody knows if u made this code before or not
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lynn 2021-04-23 22:46:57Z
yeah true
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Ryozuki 2021-04-23 22:47:13Z
it's more about being true to urself i guess
22:47
BASED
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lynn 2021-04-23 22:47:21Z
lol
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Ryozuki 2021-04-23 22:47:56Z
ahh
22:47
i see
22:48
its a jam/compo
22:48
the jam u can use code before
22:48
the compo is alone and all from scratch
22:48
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lynn 2021-04-23 22:48:56Z
neat
Exported 226 message(s)