help-development

[sage patio]

private static final Map<Integer, List<UUID>> pages = new HashMap<>();

[tender shard]

wdym with "miss 1 uuid"?

[sage patio]

imagine i have 10 UUIDs in policeList

and each page can contain 12 uuids

the first page has 9 UUIDs instead of 10

[tender shard]

.get(0) is the first entry

.get(9) is the last if you got 10 entries

[sage patio]

i know, but where i did that wrong?

[eternal oxide]

0 to 9 is 10

[smoky anchor]

my guess would be to move the index++; after the if

[tender shard]

maybe that you index++ before actually using index?

[hybrid turret]

^^^

[tender shard]

that is also explained in my blog post

[sage patio]

that index is only for counting

[sage patio]

if (index >= 12 || index >= tempPoliceList.size())

well a list size for 0-9 should be 10

so it should be fine

[tender shard]

e.g. group id for me is com.jeff-media because my domain is jeff-media.com

if you don't have any domain you can use com.github.yourgithubusername or me.yourusername @hybrid turret

[smoky anchor]

just try it at least ?
Otherwise I have no idea what it could be

[steady rapids]

Hi, is there a onTick() event? or something similar that occurs every server tick? or am I forced to use the scheduler?

[sage patio]

sure lemme try

[tender shard]

print out some debug values, e.g. current value of index, pageIndex, the list's size, etc

[hybrid turret]

oh ic thanks

[tender shard]

?scheduling

[undone axle]

https://www.spigotmc.org/wiki/scheduler-programming/

[tender shard]

runTaskTimer(..., 1, 1) runs every tick

[steady rapids]

oke

[hybrid turret]

i read that, when using github. you're supposed to use io.github....

does that have a reason?

[tender shard]

    @Override
    public void onEnable() {
        getServer().getScheduler().runTaskTimer(this, () -> {
           // this runs every tick
            System.out.println("tick"); 
        }, 1, 1);

[tender shard]

no. in fact com.github.yourname makes more sense

[hybrid turret]

oh lol alright thanks

[tender shard]

in the end it doesn't really matter

[hybrid turret]

i tried so hard and got so far

[tender shard]

it's just an "identifier" - and it should be unique ofc

[hybrid turret]

ic thanks

[tender shard]

I'd use com.github.mfnalex because my profile is https://github.com/mfnalex

[worldly ingot]

Yeah, if you have domain though, it's preferred

[tender shard]

yeah at least if it's not a throwaway domain that you got for free for one year and then don't plan to renew lol

like almost everyone with their .dev domains

[worldly ingot]

Ain't no way I'm throwing away my .wtf domain

[tender shard]

i still got mfnalex.gay lol

[hybrid turret]

oh yeah 1 more thing just for testing purposes. can you differenciate between linux and windows in the pom.xml <outputDirectory>-tag?

[tender shard]

yes, with profiles

[worldly ingot]

I'm writing a mod for a friend of mine and she's a family friendly streamer. Little does she know that the code she's running has a swear word in it

[tender shard]

1. read this blog post and use option #2 https://blog.jeff-media.com/how-to-make-maven-automatically-put-your-plugins-jar-into-your-test-servers-plugins-folder/

2. add an activation that's os specific, one sec

    <profiles>
        <profile>
            <id>export-to-test-server-windows</id>
            <activation>
                <os>
                    <family>windows</family>
                </os>
            </activation>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-jar-plugin</artifactId>
                        <configuration>
                            <outputDirectory>C:\mctest\plugins\</outputDirectory>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>
        <profile>
            <id>export-to-test-server-linux</id>
            <activation>
                <os>
                    <family>unix</family>
                </os>
            </activation>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-jar-plugin</artifactId>
                        <configuration>
                            <outputDirectory>/opt/mctest/plugins</outputDirectory>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>

[hybrid turret]

ohh that's super interesting, maven is really convenient

[ivory sleet]

I mean depends on how horizontally scalable you want it to be

But its probably gonna be fine for you

[tender shard]

yeah! I also just checked it, works fine - the windows profile is automatically enabled and can't be disabled (when running windows ofc lol)

[lilac dagger]

how do you make profiles?

[tender shard]

#help-development message
#help-development message

basically you just create a <project><profiles> section

https://maven.apache.org/guides/introduction/introduction-to-profiles.html

[lilac dagger]

oof, i should've read a bit earlier haha

[hybrid turret]

nice :D

[gusty parcel]

Hey, can someone help me, I wrote a sumo plugin, the command of which does not work, if anyone can help me, write to me privately

[ivory sleet]

Or just ask here so way more people can help you? (:

[tender shard]

?notworking

[undone axle]

"Does not working" is a useless statement. Please describe what exactly is not working, what you expect it to do, and what actually happens. If you get any console errors, also ?paste the entire stacktrace.

[gusty parcel]

yes they don't work

[tender shard]

?notworking

[undone axle]

"Does not working" is a useless statement. Please describe what exactly is not working, what you expect it to do, and what actually happens. If you get any console errors, also ?paste the entire stacktrace.

[obsidian shore]

kek

[tender shard]

apparently you haven't understood that ?notworking is a bot command and you should read what the bot replies with ^

[gusty parcel]

the commands of the plugins themselves don't work either, I don't even know if I wrote them correctly

[tender shard]

you keep saying "don't work"

[gusty parcel]

I'm not English and I don't speak English very well

[tender shard]

split it up

try (Response response = client.newCall(request);
     ResponseBody body = response.body()) {
  ...
}

[tender shard]

what happens if you run your command?

no, it's one block

[gusty parcel]

nothing

[tender shard]

try(
    Response response = ...;
    ReponseBody body = ...;
) {
    ...
}

[ivory sleet]

You declare each AutoClosable its own scoped variable within the try

[tender shard]

it does not say "unknown command"? it does not print "/command"? It does not show any error message?

yeah correct

but I'd use one line per variable

[gusty parcel]

no not say "unknown command" but 1 error message

[tender shard]

I don#t got a crystal ball so it would be very handy if you could show us the error message

[gusty parcel]

';' expected
Expression expected

[tender shard]

so your plugin did not even compile

show a screenshot of that code

?img

[undone axle]

Can't send images? That's because you're not verified! Use !verify to complete verification.
Alternatively, you can upload screenshots to any image hosting site and share the link.

Here's some screenshot utilities that can use to upload images.
Lightshot: https://prnt.sc
Imgur: https://imgur.com/upload
Flameshot: https://flameshot.org

[quaint mantle]

java.lang.RuntimeException: java.sql.SQLException: Statement.executeQuery() cannot issue statements that do not produce result sets.
    at me.vasir.manacore.commands.FriendCommand.execute(FriendCommand.java:97)
    at net.md_5.bungee.api.plugin.PluginManager.dispatchCommand(PluginManager.java:208)
    at net.md_5.bungee.api.plugin.PluginManager.dispatchCommand(PluginManager.java:158)
    at net.md_5.bungee.connection.UpstreamBridge.handleChat(UpstreamBridge.java:203)
    at net.md_5.bungee.connection.UpstreamBridge.handle(UpstreamBridge.java:165)
    at net.md_5.bungee.protocol.packet.Chat.handle(Chat.java:71)
    at net.md_5.bungee.netty.HandlerBoss.channelRead(HandlerBoss.java:114)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
    at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
    at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
    at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
    at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)```

what is this ?

[tender shard]

you are using UPDATE or INSERT or DELETE or sth

[eternal oxide]

you can not execute query on an insert/update

[tender shard]

which is not a query statement

[quaint mantle]

resultset

wait a second

[tender shard]

string

[quaint mantle]

            String sql3 = "SELECT * FROM friendrequests WHERE receiver = ?";
            try (Connection connection = HikariCP.getConnection(); PreparedStatement statement1 = connection.prepareStatement(sql3)) {
                statement1.setString(1, sender.getName());
                ResultSet resultSet = statement1.executeQuery();
                while (resultSet.next()) {
                    String receiverDb = resultSet.getString("receiver");
                    String senderDb = resultSet.getString("sender");
                    if (sender.getName().equals(receiverDb) && receiver.getName().equals(senderDb)) {
                        PreparedStatement addFriend = connection.prepareStatement("INSERT INTO friend(friend1, friend2) VALUES(?,?)");
                        addFriend.setString(1, receiver.getName());
                        addFriend.setString(2, sender.getName());
                        addFriend.executeQuery();
                        addFriend.close();
                        sender.sendMessage(handler.correctMessage("Arkadaşlık isteği kabul edildi!"));
                        return;
                    }
                }```

[tender shard]

you call executeQuery on an INSERT statement

INSERT does not yield a resultset

you have to use executeUpdate

not executeQuery

[quaint mantle]

ahh

.__.

[tender shard]

btw googling the error message would have instantly told you that

[smoky anchor]

I fidn SQL... whateveryoucallit funny
Just yelling in the middle of sentence :D

[quaint mantle]

aight ty

[gusty parcel]

wait

[quaint mantle]

am i check two column for delete ? with sql code ?

[tender shard]

What?

[eternal oxide]

can you? yes

[quaint mantle]

i mean like this

[eternal oxide]

yes

[quaint mantle]

but this not working

[eternal oxide]

you can do an inner select

using exists

[tender shard]

DELETE FROM table WHERE val1 = ? AND val2 = ?

[quaint mantle]

aigt i will try

[tender shard]

fast

very fast

[eternal oxide]

DELETE FROM 'settings.friendrequests' WHERE exists (SELECT 1 from 'settings.friendrequests' WHERE 'sender' = 'testname1' and 'sender' = 'testname2');

[tender shard]

why so complicated

[eternal oxide]

I used years ago for multi table checking

so probably not the best in this case

[tender shard]

but they only have one table

[eternal oxide]

yep

[tender shard]

why not just DELETE FROM table WHERE col1 = ? AND col2 = ?

[eternal oxide]

yep

head not on

mines over complex

[tender shard]

oh ok 😄 I already thought I was missing something

[gusty parcel]

here

[tender shard]

?learnjava

[undone axle]

Here are some links to get you started on learning Java:

• https://www.codecademy.com/learn/learn-java
• https://www.sololearn.com/learning/1068
• https://www.learnjavaonline.org/
• https://programmingbydoing.com/
• https://docs.oracle.com/javase/tutorial/java/index.html

The last one is the only official one, however some of those concepts assume that you already know a bit about programming.

[tender shard]

you are declaring a method inside a method

that's not possible and it also makes no sense

[worldly ingot]

Well just make sure your indentation looks somewhat sane and it should be more obvious 😛

[tender shard]

yeah lol

Ctrl+Alt+L

[smoky oak]

anyone know why this glitch happens with varargs?

[lilac dagger]

it can be simplified

[eternal oxide]

your first ternary is broken

[tender shard]

isn't that wrong way around?

[languid urchin]

Yeah

[smoky oak]

ah

[lilac dagger]

are args booleans?

[languid urchin]

it will always be false

[eternal oxide]

if it's greater than 0 length true, else args[0], which will not exist

[tender shard]

yeah

[smoky oak]

yea i see

its the simple things lol

[lilac dagger]

ah yes

[worldly ingot]

D: What even are boolean operators

boolean replace = args.length > 0 && args[0];

pls I beg you

[quaint mantle]

my code fcng my brain
someone check my code and fix my issues ?
https://paste.md-5.net/awiyijatis.js

[languid urchin]

also I hate the way that is indented

[smoky oak]

right i forgot its sequential, thanks choco

[languid urchin]

Describe the "issues" instead, no one wants to read through your entire code and fix it

[tender shard]

split that up into multiple methods

[worldly ingot]

Honestly shocked your IDE didn't yell at you for that I thought IJ would have caught that simplification

Yeah you've just gotta abstract out some of that SQL code

[lunar wigeon]

hello @worldly ingot

[alpine urchin]

how can i understand the complex ways 3 ints can be encoded to a long with bit shifting magic

i know how mc does it

i have the code

[worldly ingot]

hello @lunar wigeon

[alpine urchin]

but i have no clue how to understand it

[smoky oak]

my brain'S broken rn do u know how to do this for false?

[alpine urchin]

or produce something myself

[worldly ingot]

You can't encode 3 ints into a long. At least not full width integers

Ints are 32 bits, longs are 64

[hybrid turret]

Which folders are advisable to add to your .gitignore?

[livid dove]

SonarLint is the slightly more experienced cousing to InteliJ's in-house IDE boi lol

*cousin

[alpine urchin]

im talking bout minecraft block positions

how it can be represented as a long

[languid urchin]

Anything that isn't required to build the project, and any files containing secrets

[lunar wigeon]

what I recommend to do with SQL:

1. create seperate class that manages database
2. create manager class that will keep users in memory map
3. update SQL database by memory map every x minutes

[tender shard]

you can only fit 2 ints into a long

[alpine urchin]

well it works

whatever magic mc is doing

[tender shard]

not with integers

[livid dove]

You lucky son of a bitch. I know the answer

[alpine urchin]

yes with integers

[tender shard]

where?

[livid dove]

Me and my team worked with the anvil files extensively

[eternal night]

no

[alpine urchin]

maybe since the y is a smaller range

[eternal night]

not with ints

[worldly ingot]

It's because Minecraft doesn't pack more than 30 million. They drop a few bits

[eternal night]

yea

[quaint mantle]

for all feature i use try-with-resources for connection and statements
can i do one try for connection and split statements for features ?

[eternal night]

26 bits for x and z

12 for y

[worldly ingot]

Correct

[tender shard]

8 / 4 = 2

[hybrid turret]

"Containing secrets"?

[tender shard]

that's the most integers you can fit into a long

fancy math

[worldly ingot]

return (((long) x & 0x3FFFFFF) << 38) | (((long) z & 0x3FFFFFF) << 12) | ((long) y & 0xFFF);

[languid urchin]

API tokens, passwords, encryptions keys
if you use that in your project

[hybrid turret]

Ah icic

[alpine urchin]

now explain that code

[hybrid turret]

Thanks

[eternal night]

what

[lilac dagger]

they just explained it earlier

[eternal night]

that is just a normal bitmask

[livid dove]

Minecraft's anvil file format does has a list of binary longs that represent the position of blocks. The issue is the bits are represented by an X bit binary within that long, and that binary value is determined by the palette for that chunk section

[worldly ingot]

You're truncating the x and z values to 0x3FFFFFF, truncating the y values to no more than 0xFFF, then oring them together

It's not overly complicated

[lilac dagger]

x z are pushed furter and then y comes and mask the remaining bits

[tender shard]

https://blog.wokwi.com/bitwise-operators-in-gifs/

[eternal night]

0x3FFFFFF, or 67108863, or 2^26 - 1

[worldly ingot]

[eternal night]

is rather straight forward

[worldly ingot]

Thank you for doing the maffs for me, lynx

I was, frankly, way too lazy lol

[livid dove]

Lmao I get where the guys coming from though.

The anvil format is erm

interesting

Genius

But interesting

[worldly ingot]

I do have this method in VeinMiner if you want 😄 https://github.com/2008Choco/VeinMiner/blob/master/veinminer-common/src/main/java/wtf/choco/veinminer/util/BlockPosition.java#L119

Among a few others

[smoky oak]

actually @worldly ingot wouldnt that need to be length > 0 && args[0] || true; to get the default value properly

[worldly ingot]

There's some weird unsignededness magic

[worldly ingot]

|| true does nothing

[livid dove]

You ever used the raw anvil format? haha

[tender shard]

yikes that wasnt done yet

[smoky oak]

i mean if its length 0 then it'd not return true but false

[livid dove]

They manage to fit chunk sections into 64 bit binary longs as a list (Usually you'll get 10-16 ish blocks per 64 bits)

Which also by design allow you to determine the coordinates

of each block

Its an absoloute mind melter first time you dabble with it

[alpine urchin]

understanding what the bit operations do is simple, but i’m struggling to understand when to “truncate” or “or”

[livid dove]

But it is reallyh clever

[alpine urchin]

or why it works

[eternal night]

I mean

the | is just there to join them back

you take the 32 bits of x, trunace the first 6 ones

you have 26 bits of x value

you shift it by 38 to the left, so now you have them in the "front" part of your 64 bits of the long

[livid dove]

*or you could use the Anvil method and have up to 16 of them, coordinates and all, in 64 bits

[eternal night]

so you have a long that is 26 bits of "x" information and then 38 bits of 0

[alpine urchin]

what is trunace mean

[eternal night]

[livid dove]

?.....

[alpine urchin]

https://tenor.com/view/spoon-feed-tom-bird-feeding-gif-19598634

[eternal night]

well, if you have 32 bits of an int

and you and them

[alpine urchin]

referring to this

what

[alpine urchin]

?

[eternal night]

yea you do that by creating a number that looks like this 000000111111111111111

so when you have this "bit pattern"

and you number & pattern

then obviously the first 6 bits in this case will be 0

[tender shard]

first number is 7, second number is 20.
assume 16 bits per number.

 7 in binary is 0000000000000111
20 in binary is 0000000000010100

now bitshift one of those numbers by 8 bits (move the actual number to the left)

20 << 8 is      0000011100000000


7 OR 20 << 8:
  0000000000000111
| 0001010000000000
= 0001010000000111

[eternal night]

because the pattern has 0s there

[worldly ingot]

Truncate just means chop off

[eternal night]

so whatever your number has there

is discarded

[worldly ingot]

When you put 69.420 into an int, it's truncated to 69 :p

[eternal night]

in the back, it has 1s, meaning that if the number has a 1 at a specific bit, the result would have a one there, if the number has a 0, there is a 0

😏

[worldly ingot]

[alpine urchin]

https://tenor.com/view/confused-wtf-math-what-numbers-gif-14841107

[eternal night]

I mean, it isn't math

don't think of it as math

[worldly ingot]

It's 1s and 0s! :D

[alpine urchin]

https://tenor.com/view/physics-and-engineering-of-how-this-works-is-complicated-mass-scale-hugely-complicated-hard-tough-gif-14848834

[hybrid spoke]

i always hated bit shit in subnetting class

[worldly ingot]

Maybe this graphic will help a little, @alpine urchin?

I hope you appreciate my graphical skills

[valid kestrel]

I need help with a plug-in

Where I go

[wet breach]

its too long

[worldly ingot]

Getting rid of 6 bits from x and z (because they're unnecessary - worlds only go to 30 million), and getting rid of 20 bits from y (because the y vallue only goes so high/low), and pack it all together

[wet breach]

someone not understanding how bits work?

[worldly ingot]

retrooper didn't understand how 3 coordinate ints were packed into a single long

[wet breach]

just squish them together

[worldly ingot]

Big squish

[wet breach]

were they not understanding like where they all go?

[worldly ingot]

Yeah because ints are 32 bits, longs are 64

3 x 32 != 64

= confusion

[zealous osprey]

btw, I have a question for this.
How do you get the Z bits or Y bits?
Cause I see that you get X with long >> 38; But the others?

[worldly ingot]

Shifting by less and &ing the result by the maximum value

So z would be (long >> 12) & 0x3FFFFFFF

[zealous osprey]

ahh

[wet breach]

you don't necessarily need to shift bits to obtain the bits you want

[worldly ingot]

Right. You could in theory also just & mask a 64 bit value lol

[zealous osprey]

What are other options

[wet breach]

Choco said it

[worldly ingot]

value & 0b111111111111111111111111110000000000000000000000000000000000000000000000

[wet breach]

lol

[worldly ingot]

One may be a liiiiittle bit more readable is all

[zealous osprey]

Would that be more like:
long &= 0x3FFFFFF000 for Z?

So a bitmask of 0000000000000000000000000011111111111111111111111111000000000000
26x0 26x1 12x0 ?

[worldly ingot]

My unpack methods are here, https://github.com/2008Choco/VeinMiner/blob/master/veinminer-common/src/main/java/wtf/choco/veinminer/util/BlockPosition.java#L130

[zealous osprey]

oh so 0b is for binary and 0x is for hex?
I never knew there was an option to write in binary, always thaught you had to do hex for binary manipulation.

[ivory sleet]

Yeah

[zealous osprey]

neat

[smoky oak]

do amplifiers count from 0 or 1? the doc doesnt say and i dont have my server rn

[tall dragon]

from 0

1 would actually be 2 ingame

[smoky oak]

lright thanks

different topic, can i directly copy over another method's javadoc with annotations? i dont think @inheritdoc works

[carmine mica]

Yes, it does. If you just omit the Javadoc entirely it copes everything, if you omit part of it, it copies that part

You only need inheritDoc if you want to add stuff to a section but also include stuff from a super method

Are you actually building the Javadoc to see if it works?

[smoky oak]

its building automatically

but i mean methods in the same class

i meant it as 'i dont think it works here'

[carmine mica]

Oh, well no. Two methods in the same class have to have their own annotation. I thought you meant from a method you override

[smoky oak]

@link it is

[carmine mica]

If they are related like they are overloads, @ see is better

[smoky oak]

whats the syntaxx

i tried #signature and package.path#signature but neither worked

it just got eaten as plain text

[alpine urchin]

alright, makes sense. now the operations necessary to do this i dont get

[worldly ingot]

<< = go left, >> = go right

[alpine urchin]

nice graphic

[worldly ingot]

ty am graphic artist

[alpine urchin]

is it a png

or jgp

im tryna save it

[worldly ingot]

probably png idk lol

It's a small resolution too

because I was too lazy to change it

[alpine urchin]

ok

lets say we have these coordinates

xyz: 3, 3, 3

the long is 0 for now

how do we know how much to shift it by again?

im starting to understand

its shifting to the left

so its all together

in a long

i dont understand the & operation

inside the code

return (((long) x & 0x3FFFFFF) << 38) | (((long) z & 0x3FFFFFF) << 12) | ((long) y & 0xFFF);

does the & limit x to 67108863

[eternal oxide]

& means only copy bits which are set in both args

[alpine urchin]

why would we do that

[eternal oxide]

to limit which bits can be copied and which are ignored

[alpine urchin]

i dont understand

[eternal oxide]

X & 0x0F says only copy the last 8 bits, if set in both X and the mask.

[smoky oak]

that hex number is a bunch of zeroes then a bunch of ones. the '&' makes all bits of the input 0, except where the mask has 'one' bits.
So, simplified:

  0b01101101
& 0b00001111
= 0b00001101

which you then move to the left, to process and add the next bunch of bits

[alpine urchin]

since 0x3FFFFFF is just bits filled with 1s

[worldly ingot]

Yes

[alpine urchin]

ok thx

[worldly ingot]

No, it can be 1s or 0s, but it's the amount of bits that that number represents that matters

Actually, I lied, they are all 1s lol

[alpine urchin]

what was the math of the shifting 38 bits and 12 again

let me look for it

[worldly ingot]

0x3FFFFFFF in binary is 111111111111111111111111111111

Which happens to be 26 bits 🙂

[alpine urchin]

how did they decide to limit it to 26 bits

yes i know it all has to add up to 64

but how'd they come up with 26

[worldly ingot]

Because 30 million is just their upper limit for world size which can fit in 26 bits

[alpine urchin]

it coulda been

[smoky oak]

what about the in-block coordinates tho?

[alpine urchin]

whats the link between 67108863 and 30 million

[smoky oak]

both directions

worlds 60 mil wide

30 mil is border

[worldly ingot]

Right, first bit is a negative

The sign bit, then 25 additional bits for the number which sum to a maximum of 33,554,431

Then they left about 2k for the y value (with one sign bit)

[alpine urchin]

aha, 2^25

ok

[worldly ingot]

[alpine urchin]

last thing i dont understand is how they knew they gotta limit x and z to 67108863

i see no link in the 30 million

and 67108863

[smoky oak]

again

both positive and negative

[alpine urchin]

show me an equation

[smoky oak]

you need 60 million points to mark 30 million points positive and negative

there's 100 points from 0 to 100

theres 200 poins from -100 to 100

[alpine urchin]

yes

[smoky oak]

same thing here

just a bigger number

[alpine urchin]

according to what you said

they should be limiting it to 30 million

and not "67108863"

[smoky oak]

that's the AMOUNT of data points

the first bit of that marks if it's positive or negative

[zealous osprey]

btw, fot this, I wouldn't do ((long) x & 0x3FFFFFF) << 38), instead shift them to the right by 38 to get the x location

[smoky oak]

the RANGE on that is -33 mil to +33 mil

[alpine urchin]

?

[smoky oak]

26 bits have 67 million combinations

if you use the first to say 'we're negative' that leaves half

[alpine urchin]

oh makes sense

ok

limiting it to 25 bits

if you were an idiot like me, you could replace the code with

[zealous osprey]

You're not an idiot, just a new topic; Don't beat yourself up about it :)

[alpine urchin]

if (x > 33554432) {
x = 33554432;
}
///...same with z
long encoded = (((long) x & 0x3FFFFFF) << 38) | (((long) z & 0x3FFFFFF) << 12) | ((long) y & 0xFFF);

obv

dont do that

but does it have the same behavior

yes right

[smoky oak]

minecraft just blocks things from existing in that area, so that's not a limitation they need to do

[alpine urchin]

oh ok

yeah i didnt account for negatives

but okay

thanks guys

the code looks less scarier now

XD

[dense blaze]

Got a design question of what is better:

I have a plugin in the works with a ability with cooldowns that actively update and change for the player. If a player uses the ability I want to display a cooldown bar and notify them of their cooldown if they try to use it. I wrote code to do this but want to know what is the better solution.

Should I run a constant running thread that checks to see who is in cooldown and update each player that needs to update or should I spawn an individual thread per player when they enter cooldown and cancel it when they are no longer in cooldown?

Not the most expierences dev so any advice is appreciated for approaching this.

[quaint mantle]

i can't ping but i need ur help guys
ElgarL, frostalf, mfalex, EpicEbic, ImIllusion

to split my method into methods

[near mason]

wdym?

[smoky oak]

in some cases, that's not an easy question to answer. For something like this, where you want to display it to the players, both would work.
Personally, I'd use the individual threads, because they would be simpler to write. 90% of cases simpler is better

[livid dove]

100 players with 3 in cooldown = 1 thread with increasing load.

1 thread for each in cool down player = 3 threads doing 1 players worth of checks.

Seems like an easy choice to me imo

[smoky oak]

well do remember that having a hashset has O(1) check time

[dense blaze]

That's what I assumed. Thanks.

[livid dove]

Tis true, but O(1) just means even check time, not neasicarily speed

[smoky oak]

the extra runnables' overhead might get absorbed into that one. keeping code complexity low is more important here imo

[livid dove]

A process that takes 1000 seconds regardless of number of things to check is still O(1)

[pseudo hazel]

just create a runnable task timer

[near mason]

u meant splitting into threads?

[pseudo hazel]

and be done with it

[livid dove]

I assume that's what they mean when they mention threads

[dense blaze]

I didn't know if Java thread count was a concern on machines since I assumed threads were not virtual.

[livid dove]

Use BukkitRunnables

[pseudo hazel]

dont worry about threads

[dense blaze]

Sorry that's what I meant.

[quartz anchor]

is there a way to run spigot server with debugger so I can debug and hot reload part of my plugin?

[pseudo hazel]

you dont have to think about that when you just use bukkit runnables

[livid dove]

Then ur fine my g

[pseudo hazel]

I would personally keep a map of all players and update all cooldowns in a single loop in 1 runnable

[livid dove]

*map of UUIDs

[pseudo hazel]

well yes

[smoky oak]

i mean, both of those would work, but itd be really hard to say which one would be faster. I really doubt you need that kind of performance in a discussion of '100 player loop' or '100 simple runnables'

[livid dove]

Always good to sanity check lol. Assumijg withiut elaboration is how singleton managers disappeared lol

[smoky oak]

you cant have that many players on a server at once

[dense blaze]

I was going to do something like that but not all players have access to the same abilities and some abilities may have multiple cooldowns compared to others. Right now I have a hashmap of uuids and an extended abstract class containing any and all cooldowns.

[livid dove]

Then from a GC perspective, separate is the way

[smoky oak]

ah true

[dense blaze]

Well I'm glad to hear that it sounds like I'm going relatively the right direction. Thanks everyone!

[livid dove]

No worries my mab

Man

If u ever need a code review hollar up

[remote swallow]

what am i needed for

[quaint mantle]

i have a command

i wanna split my command features to methods

brb i will upload to paste md5

[dense blaze]

Might just have to do so later. This is my first spigot project and it definetly feels messy.

Are you okay if I add you for future reference?

[livid dove]

They always are mate

Sure

[quaint mantle]

i do this for line 28

    public void checkIfFriends(ProxiedPlayer friend1, ProxiedPlayer friend2) {
        String sql1 = "SELECT * FROM friends WHERE friend1 = ? OR friend2 = ?";
        try (Connection connection = HikariCP.getConnection(); PreparedStatement statement1 = connection.prepareStatement(sql1)) {
            statement1.setString(1, friend1.getName());
            statement1.setString(2, friend1.getName());
            ResultSet resultSet = statement1.executeQuery();
            while (resultSet.next()) {
                String senderDb = resultSet.getString("friend1");
                String receiverDb = resultSet.getString("friend2");
                if ((senderDb.equals(friend1.getName()) && receiverDb.equals(friend2.getName()) || (senderDb.equals(friend2.getName()) && receiverDb.equals(friend1.getName())))) {
                    friend1.sendMessage(errorMessage("Bu kişiyle zaten arkadaşsın!"));
                    return;
                }
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }```

is it right ?

[rain pier]

What does private final InstanceAccess instanceAccess; do? I'm confused on why there are two instanceaccesses

[tender shard]

the first is the type, the second is the name

private final String name = "mfnalex";

String is the type

"I have a field called 'name' which is a String"

[rain pier]

but InstanceAccess is a class

[remote swallow]

yeah

[tender shard]

yes

[rain pier]

so does it call that class and name it as instanceAccess?

[remote swallow]

no

[livid dove]

Also that mega check might be worth it's own method to make the base code less messy

[tender shard]

it says "There's a field called instanceAccess and it holds a reference to an object that's of the type InstanceAccess" (whatever that is)

[quaint mantle]

.

[livid dove]

Missed that lol

[remote swallow]

so that is making a final InstaceAccess and you have called it instanceAccess

[lilac dagger]

if i set custom model data to 0 will that show no texture?

[rain pier]

I am still very confused

[tender shard]

imagine this:

public class Person {
  private final String name;
  private int age;
}

[rain pier]

ok

[tender shard]

do you understand what this means?

[rain pier]

yes, it is creating a class named Person which contains a name and age with their types

[tender shard]

yeah and the same is true for your InstanceAccess field

[rain pier]

I think i understand it

but InstanceAccess is a class in another file

[remote swallow]

yeah, String is another class elsewhere

[tender shard]

?learnjava

[undone axle]

Here are some links to get you started on learning Java:

• https://www.codecademy.com/learn/learn-java
• https://www.sololearn.com/learning/1068
• https://www.learnjavaonline.org/
• https://programmingbydoing.com/
• https://docs.oracle.com/javase/tutorial/java/index.html

The last one is the only official one, however some of those concepts assume that you already know a bit about programming.

[rain pier]

isn't a field a variable in a class?

[tender shard]

yes

[livid dove]

And fields can be classes

Or rather

An instance of a class

[rain pier]

ohh

[livid dove]

So when you make a string, you are actually making an object of the class "String"

[pseudo hazel]

learn basic programming please, it would be impossible to help you with your actual problems if you dont know what a class is

[rain pier]

ok

[livid dove]

I'll do one better one min. There is a perfect video for this that has the "ooooohhhhhhhh" moment so many java tutorials miss

https://youtu.be/drQK8ciCAjY

[rain pier]

Ok ty

[livid dove]

Imo this guy has the best "this is the point of OOP" reveal in any tutorial

Watch it fully without skipping and it'll be like a door opening

[rain pier]

ok

[livid dove]

And you'll be like "Oohhhh shit that's what the point of all this is"

[pseudo hazel]

there is no point wdym 💀

[kindred sentinel]

Is it possible to check using PlayerMoveEvent if the player has moved forward? I found only get from location and get to location but not to get direction

[ivory sleet]

I mean u can calculate the direction with those 2 locations

[kindred sentinel]

Oh really

Sorry

[ivory sleet]

no need to apologize :)

[kindred sentinel]

:)

[pseudo hazel]

you can use the difference between both positions to get the vector in the direction of the movement

[opaque scarab]

^

[pseudo hazel]

but "moving forward" would be decently hard to detect since you have to compare that to their camera angle, i.e. whwt way are they looking

look into the basics of vector math to understand the basic operations you can do

[quaint mantle]

Is there a way to control the invasions of pillagers?

[languid urchin]

Depends on what you want to do, if you want to e.g. cancel a raid you can probably use the RaidTriggerEvent

@EventHandler
public void onPillagerInvasion(RaidTriggerEvent e) {
    e.setCancelled(true);
}

https://hub.spigotmc.org/javadocs/spigot/org/bukkit/event/raid/package-summary.html

[quaint mantle]

and can i trigger a raid?

[rain pier]

Ok the video explains a lot but I'm confused on why we can't do:
private final InstanceAccess instanceAccess = new InstanceAccess();
and have to a use a constructor.

[languid urchin]

Not sure, probably with some tricky workaround. I believe the server will stop raids that are "invalid" e.g. a player is not in a village and stuff like that.

[rain pier]

Why do we have to create a constructor to set it?

[languid urchin]

Keep in mind that this is probably not the best place to learn basic Java, and it's impossible to do so by watching a single 15-minute video.

[tender shard]

because you want a specific InstanceAccess and not a random new one

[opaque scarab]

This code randomly freezes the server. It appears to freeze at player.getWorld().getChunkAt() The goal of this code is to get a square of loaded chunks around the player, and return it in a list. Why is this happening and how can I get around this?

Code:

        Chunk center = player.getChunk();

        loadedChunks.add(center);

        int radius = radiusRaw; //don't ask

        int centerX = center.getX();
        int centerZ = center.getZ();

        for (int x = (centerX - radius); x <= (centerX + radius); x++) { //going - x to + x to get full radius of chunks
            for (int z = (centerZ - radius); z <= (centerZ + radius); z++) {
                  
                Chunk currentChunk = player.getWorld().getChunkAt(x * 16, z * 16); //converting chunk coordinates to block coordinates to access chunk

                if (currentChunk.isLoaded()) { //checks that the chunk is loaded
                    loadedChunks.add(currentChunk);
                }
            }
        }

        return loadedChunks;

[tender shard]

send the full code

[opaque scarab]

Sure 1 sec

[tender shard]

getChunkAt(...) will force-load the chunk

to check if a chunk is loaded without loading it yourself do NOT use getCHunkAt but World#isChunkLoaded(...)

[languid urchin]

You're probably loading a lot of chunks during that loop, which would lag the server

[opaque scarab]

I see. Would this freeze the server until it’s restarted?

Total code: ```public class ChunkUtils {
public static ArrayList<Chunk> getLoadedChunks(Player player, int radiusRaw) {
ArrayList<Chunk> loadedChunks = new ArrayList<>(); //the returned list of chunks

    Chunk center = player.getChunk();

    loadedChunks.add(center);

    int radius = radiusRaw; //don't ask

    int centerX = center.getX();
    int centerZ = center.getZ();

    for (int x = (centerX - radius); x <= (centerX + radius); x++) { //going - x to + x to get full radius of chunks
        for (int z = (centerZ - radius); z <= (centerZ + radius); z++) {
              
            Chunk currentChunk = player.getWorld().getChunkAt(x * 16, z * 16); //converting chunk coordinates to block coordinates to access chunk

            if (currentChunk.isLoaded()) { //checks that the chunk is loaded
                loadedChunks.add(currentChunk);
            }
        }
    }

    return loadedChunks;
}

}

I edited the indents so it would appear correct on discord, but it still doesn’t

[tender shard]

you still force load the chunk

you still do getChunkAt

do NOT use getCHunkAt

use World#isChunkLoaded before you do getChunkAt

[opaque scarab]

This is not the updated code. It’s just the total code from before. I understand this is causing issues, but is there anything else in my previous code that is as well?

I will switch to World#isChunkLoaded

I’m just wondering if there is something else wrong, as loading the chunks should just cause severe lag, not a freeze that lasts several minutes

[tender shard]

well which radius did you call it with?

[opaque scarab]

2

[tender shard]

hm yeah that should be fine

or did you do it in ChunkLoadEvent?

[rain pier]

private final InstanceAccess instanceAccess;
```This makes an instance of InstanceAccess called instanceAccess

public DeathListener(InstanceAccess instanceAccess) {
this.instanceAccess = instanceAccess;
}```This makes an instance of InstanceAccess called instanceAccess and sets this.instanceAccess which was made from the first line equal to instanceAccess which is the InstanceAccess they just made.

Is that correct?

[tender shard]

no

[opaque scarab]

It’s called in a player interact event. If the player is right clicking while sneaking with no items in the offhand or mainHand, the utility function I made (this) gets called. The total design of the code is to allow you to call a nearby horse you own. It checks loaded chunks around the player, and sees if a horse you own is in one of these loaded chunks. (This code is currently disabled for debug)

[rain pier]

bruh I don't understand

[languid urchin]

The first line does not make an instance of InstanceAccess, it simply defines a variable that can be an instance of InstanceAccess.

[tender shard]

there is not a single instance creation in that code at all

[tender shard]

?learnjava

[undone axle]

Here are some links to get you started on learning Java:

• https://www.codecademy.com/learn/learn-java
• https://www.sololearn.com/learning/1068
• https://www.learnjavaonline.org/
• https://programmingbydoing.com/
• https://docs.oracle.com/javase/tutorial/java/index.html

The last one is the only official one, however some of those concepts assume that you already know a bit about programming.

[rain pier]

idk my vocabulary

[languid urchin]

Which is why you need to learn basic Java before making a plugin

[livid dove]

I know it sounds dumb, but dont use the official nomen clature with them.

[livid dove]

Honestly? Bullshit. You can learn through spigot and I think anyone we send away to learn how to make public class Cat is a diservice kek

Easiest way to get off programming

You can learn through actual useful examples

[opaque scarab]

Thank you! That’s how I learned Java.

[livid dove]

that mean something to you personally

[opaque scarab]

Basic modding and plugin dev

[rain pier]

I made a plugin which shared hearts of two players and I'm trying to clean it up by "passing the instance" and creating listeners on seperate files instead one big file but I don't understand what the tutorial is telling me to do.

[tender shard]

what else should I do?

[languid urchin]

You can, but it doesn't mean you should. You can learn to draw by painting the mona lisa, but it will take you much longer and you will miss out on a lot of the basic understanding required to progress.

[tender shard]

i don't think so. imagine trying to write a plugin if you don't even know the difference betwen classes and instances of classes

[rain pier]

Idc what you think about java learning everyone learns differently

[tender shard]

just read a book about java, it'll take like a few days and it's much better than watching stupid youtube videos or copy/pasting from somebody

// Plugin startup logic

[opaque scarab]

The best way is to learn something from a passion you have for something. Best to learn is making something with a real use case for you.

[languid urchin]

The thing is, no one here will be able to help you if you don't have a basic understanding of the language you are using

[livid dove]

So long story short every class you make is like a box. The box contains shit.

But computers are dumb as all hell.

You need to define what is in the box.

Thats what constructors are for.

You are filling up the box

[icy beacon]

in my opinion, get familiar with java, at least the very basic syntax, and then you can code plugins and learn everything else by doing

[tender shard]

private final InstanceAccess instanceAccess declares a field. YOu should know what declare means.

public DeathListener(InstanceAccess instanceAccess) declares the signature of the constructor for DeathListener. and this.instanceAccess = instanceAcces is a normal assignment

[icy beacon]

you need to know the very very basics at the very least

[tender shard]

if you don't understand what any of this means, you should read a book about java

[icy beacon]

to actually write something coherent

[opaque scarab]

You have a point as well. I already knew python so transferring over to Java was fairly simple. You should have basic knowledge of programming, but even with the very basics, you can begin to learn Spigot

[ivory sleet]

From my experience when I was teaching people Java + Spigot, going off spigot and just practice Java basics on its own with my students helped a lot. Sure in the long run it can work, but you should learn a concept in Java on its own, then apply it. That’s at least what’ve worked best as a teaching method.

[livid dove]

Imo the hardest thing we have all gotten over but forgotten is the the actual first time we all went "OHHHHH THATS WHY" when it comes to OOP. We take it for granted now but it is very hard to get over that hump

Its what i believe leads to tutorial hell

Its like learning how to use a screw driver on a plank of wood and then being told to assemble a 7 set cabinet

[icy beacon]

true

[languid urchin]

Think of it like writing a book or an essay in a foreign language, if you don't learn the basic grammar and phrases of that language it's very likely you'll just write some nonsense.

[livid dove]

You need to see the screw do something you understand first

[livid dove]

Think about it like you learn what each letter sounds like, and then get told to write a book...

How do you learn a langauge? With phrases that mean something to you

[languid urchin]

Exactly, you don't start by writing the book

you start with the basics

[livid dove]

Whats the first word you always learn when learning a new verbal langauge?

Is it a coincidence its the first bit of code you always write in an ew language

[icy beacon]

yeah you start by writing sentences

[olive lance]

Print

[icy beacon]

a plugin is quite a big undertaking if you are a very beginner

[ivory sleet]

fr lol

sout hello world

[livid dove]

What world? 😉

Hello

[icy beacon]

you'll need to rely on your programming instincts (if you have programming experience but java is new to you) or on other people's help

[livid dove]

Context is king bois

[icy beacon]

which is why we need to start creating plugins in javascript 🤔

[tender shard]

public class House {
  private Person ownerOfTheHouse;

  public House(Owner owner) {
    this.ownerOfTheHouse = owner;
  }
}

public class MyPlugin {
  public static void main(String... args) {
    Person mfnalex = new Person("mfnalex"); // We create a new person
    House mfnalexHouse = new House(mfnalex); // We simply pass a reference to an existing perosn
  }
}

idk maybe this explains it. you should still check out a basic java tutorial or book

[languid urchin]

And then again, this is the help channel for spigot, not basic Java

[livid dove]

https://www.youtube.com/watch?v=pXAQNGUcTjs

[rain pier]

are we declaring a new field in
public DeathListener(InstanceAccess instanceAccess) ?
or are we using the field from above

[tender shard]

no

there is no field access in that line whatsoever

[icy beacon]

these lines slightly contradict each other but you can basically get help with all things coding ig

[icy beacon]

lmao

[livid dove]

Okay money where my mouth is. This sounds like a Spigot Thread article time ❤️

My goal is to make it into the java command on this discord ❤️

xD

[opaque scarab]

Does World#isLoaded(x, z) take World or chunk coordinates?

[ivory sleet]

Though tbh java is a troll when u first learn it, there is just a ton of shit you won’t understand, like just in the classic hello world example you need to understand static, classes, objects, access modifiers, fields and variables, methods, types, strings, arrays, inheritance and polymorphism etc

[tender shard]

instanceAccess in that scope is a local variable / method parameter

[languid urchin]

The first line gives enough context for the second line to be "(spigot)-development-related questions"

[tender shard]

chunk

[icy beacon]

many people are still ready to help with general coding questions 😄

[livid dove]

its why i love the video from earlier.

They teach primitives and intentionally teach the student char....

BECAUSE its a pain i nthe ass

and then introduces String as their first Class

Boom

instant "oh shit yeah that makes sense"

[small iron]

Let me ask you, is this correct? I want this "NamePack" folder to be in the same directory (for example in the rightmost image).

[livid dove]

IMO Java is taking the idea of "I made a String class as Chars are a pain in the ass to use" and running with it

And taught like that

[tender shard]

yes

[livid dove]

is instantly beautiful and easier to grasp the language as a whoel

[languid urchin]

And that's the thing, some people try to understand absolutely everything at the start which will just cause confusion and pain. It's better to just accept things as they are and eventually you'll get those "aha"-moments and look back.

[ivory sleet]

Yeah definitely

[languid urchin]

Like learning music, you don't need to know exactly why those notes sound good together, they just do, play them.

[icy beacon]

offtopic but i just spent like 40 minutes debugging an error because kotlin only logs some exceptions

lol

i didn't know an exception was being thrown this whole time

[opaque scarab]

Oof

[ivory sleet]

You sure its kotlins fault?

[tender shard]

don't you start with music theory lol

[icy beacon]

well im pretty sure that kotlin does not log some exceptions

it does with some and doesn't with some

[tender shard]

i don't like kotlin but I doubt that it randomly suppresses some exceptions

[opaque scarab]

Imagine spending 3 hours because a number was 0 instead of 1 😅

[ivory sleet]

Are you doing multithreading?

[languid urchin]

nah music theory is for nerds-

[icy beacon]

kinda, coroutines are there yes

[opaque scarab]

To be fair, I was dealing with a huge amount of code tho

[ivory sleet]

Then that might be it

[icy beacon]

perhaps it is

though it's the second time that i'm getting a suppressed stack trace when working with mysql

maybe it's mysql doing something funny?

[ivory sleet]

oof

[tender shard]

:<

EntityIgniteEvent i think

[north nova]

https://hub.spigotmc.org/javadocs/spigot/org/bukkit/entity/Creeper.html

https://lmgtfy.app/?q=spigot+creeper+entity ****

[icy beacon]

anyone knows how to setup command autocompletion for jda?

  override fun onCommandAutoCompleteInteraction(event: CommandAutoCompleteInteractionEvent) {
    println("HERE!!!!")
    println(event.focusedOption.name)
    println(event.name.lowercase())
    if (event.focusedOption.name != "reason") return
    // ...
  }

this code does not send any debug when trying to autocomplete as shown in the screenshot. the listener is registered

[ivory sleet]

Are u sure u can autocomplete that?

[icy beacon]

i hope so?

[tender shard]

have you set OptionData#setAutoComplete to true?

https://jda.wiki/using-jda/interactions/#:~:text=Slash command autocompletion is a,default%2C options are not autocompleted.

[icy beacon]

oh I have not, one sec

[tender shard]

check the wiki I sent, there's also example code in java and kotlin

you want this right?

[icy beacon]

yup

[tender shard]

yeah

[icy beacon]

alright let me test it now

i completely missed it in the wiki haha

oh yeah it works just fine now

thanks alex 🙂

[tender shard]

np!

[gusty parcel]

I would like to ask for help, I wrote a sumo plugin with which there is one major problem, mom, that it does not recognize the command I wrote in it

[tender shard]

?paste your whole main class and plugin.yml

[undone axle]

https://paste.md-5.net/

[tender shard]

pls paste it on the website

?paste

[undone axle]

https://paste.md-5.net/

[gusty parcel]

name: sumo
version: 1.2
main: hu.sumo.Sumo
api-version: 1.18
commands:
startsumo:
description: Sumo játék elindítása
usage: /startsumo

[tender shard]

why do you have two classes that extend JavaPlugin?

the whole main class is flawed

you have a class called "sumo" and an inner class called "SumoPlugin"??

[pseudo hazel]

remove your outer class and rename your main to SumoPlugin

there is no need for this sumo class you have

[upper hazel]

bytebenders how i can get world in schematic

[tender shard]

the "main" thing in plugin.yml isn't even correct

[icy beacon]

also the plugin shouldn't even be able to launch, main class is "hu.sumo.Sumo" and in reality it's completely different

shit i got sniped

[tender shard]

yeah it wouldnt even enable

[north nova]

What

[river oracle]

you wouldn't schematics aren't bound to worlds

[upper hazel]

i need get all blocks in shematic but for create location need world

o

[tender shard]

what do you need a location for?

[upper hazel]

eheh

[tender shard]

this makes no sense whatsoever

[ocean hollow]

If somehow the server crashes, will onDisable pass?

[gusty parcel]

it's not directly like that, but the intel puts it together like crap

[upper hazel]

i see

[north nova]

so what is your problem

what

[pseudo hazel]

you place schematics in a world

[tender shard]

why do you have an inner class?

[pseudo hazel]

not teh other way around

[pseudo hazel]

wdym by the intel even

[tender shard]

intel? NSA?

[icy beacon]

try it, put something in onDisable like a file creation and crash your server (or force stop the console)

[river oracle]

the CPU company?

[icy beacon]

intellij perhaps?

[tender shard]

i thought "intel" as in secret service stuff

CIA

[north nova]

TRUE the intel as a company is sabotaging your code

I've had this thought for years and im not schizophrenic

[pseudo hazel]

oh that makes sense actually, thats why my code never works

[tender shard]

the intel is manipulating my code, why CPU company is sabotaging my plugin D:

[north nova]

yes

that is true

ESPECIALLY minecraft plugins

they dont give a shit about anything else

[icy beacon]

i knew it, they are the ones that make my plugins not work on the first attempt and then somehow work after recompiling

those sick bastards

[north nova]

motherfuckers

[icy beacon]

sisterbreeders

[tender shard]

that's why I switched to an M2 macbook

get rekd intel

[icy beacon]

i'd too but money is not really easy

[north nova]

Amidst your code's harmony, Intel's mischievous bit-dance emerges. Binary secrets sway, hinting at their digital meddling.

[pseudo hazel]

right since apple uses your info without letting you know so it feels like ur in control

[icy beacon]

lmao

[shadow night]

ty do that?

they*

[gusty parcel]

what does this website do?

[tender shard]

it's just a pastebin

[shadow night]

these mothertruckers, I knew something was wrong

[upper hazel]

hey when did you ever make plugins for custom structures and their spawning in biomes? Can you tell me the best way to do it?

[gusty parcel]

ok

[gusty parcel]

but how would this help me with my problem?

[pseudo hazel]

it would allow us to read your code better

[icy beacon]

why did you assume that i ever did that

[upper hazel]

i think all do this sometime

[icy beacon]

uhh pretty much nobody does this

[gusty parcel]

@pseudo hazel

[upper hazel]

really?

[icy beacon]

either way do not ping me without a valid reason

[pseudo hazel]

stop aguing xD, just use the paste link to show your code

thats the easiest way for us to see your code and talk with you at the same time

[upper hazel]

hah without traslate "pingount"

[gusty parcel]

k

[pseudo hazel]

if its only a few lines its fine to just put it in chat but for bigger files putting in the file itself is just a bit annoying

[tender shard]

I already told you what your problem is. YOu have two classes, one is called "sumo" and doesn't do anything. This is the one that spigot instantiates. Then yo uhave another calss called SumoPlugin that has your actual logic, but it never gets instantiated

I wonder how you'd even come up with that

[shadow night]

this is what happens when people use IDEs not knowing what they do

[pseudo hazel]

chatgpt probably

[remote swallow]

thats probably it

[shadow night]

can I say something so people just quote me? or is that not possible in modern time

[pseudo hazel]

wdym

ofc its possible

it would just have to be something everyone will hate you for

[remote swallow]

they will hat you

[pseudo hazel]

u saw nothing

[remote swallow]

i see everything

[shadow night]

no, I want to be loved for making good quotes, not hated for saying shit

[pseudo hazel]

well that'd be way harder considering the current state of social media

[sage patio]

anyway to check if a OfflinePlayer has a permission or not?

OfflinePlayer#getPlayer?

[pseudo hazel]

probably not automatically

I mean if you get the Player object that means they are online

in which case its fine

[shadow night]

people don't respect us, great physophs anymore :(

[sage patio]

so for checking a permission its fine, thanks

[pseudo hazel]

I dont see why you need a permission of a player that is not there

[sage patio]

well its complicated

(i'm checking for something which it is stored as a permission)

[tender shard]

Vault supports offline player permissions

[sage patio]

what about just getting the player from offlineplayer?

[tender shard]

you can't?

[kind hatch]

It'll always be null if the player isn't online.

[sage patio]

so the only way is Vault? (how?)

[tender shard]

yes

check their readme https://github.com/MilkBowl/VaultAPI/tree/master

[sage patio]

thanks

[tender shard]

basically you just get the registered service provider for Permission.class and then use playerHas(String world, OfflinePlayer player, String permission) http://milkbowl.github.io/VaultAPI/

[sage patio]

why it needs a world name? weird

[tender shard]

for per world permissions?

[sage patio]

hmm

[digital nova]

anyone know which NMS class handles sending chunk data to the client, i'm asking as I want to rewrite it to send data from my custom world save format

[vital sandal]

how can I include lib into the jar?

this is my pom

[tender shard]

use the maven-shade-plugin instead

https://blog.jeff-media.com/common-maven-questions/ second headline

you don't need the maven-assembly-plugin

[vital sandal]

tysm got it working^^

[tender shard]

np

[haughty pewter]

how to make plugin where u write /rp it adds prefix in tab and if write again it removes it

[sacred saffron]

Good day,

These links are from a page to format the code nicer. Serves to see better.

I have an error with Netty (https://hastebin.com/share/jovotoxoku.css).

This is unfortunately executed in my PacketDecoder (https://hastebin.com/share/imahovahax.java).

I have already asked ChatGBT, however the AI has only given me code examples which either don't work or give more errors.

I hope someone can help me with this!

[icy beacon]

hey, this isn't spigot related, but does anybody know where rustfmt.toml happens to be located on linux?

is it project-based or global, even?

[icy beacon]

tyty 🙂

[smoky oak]

somehow you're writing past where you're allowed to write. Unfortunately, you're not showing the code that's causing this, just the code that prints the error out to console. please post the code calling 'exceptionCaught'.
by the way, there is a paste website with a quick link in this server

?paste

[undone axle]

https://paste.md-5.net/

[sacred saffron]

This is the code of this error (second link)

[smoky oak]

with the output, it shows that it's where it prints 'Protocol1'

and the function aint called

this just prints the exception far as i can see

this not plain java?

[tender shard]

why are you not printing the full stacktrace

cause.printStackTrace()

[sacred saffron]

ok wait a moment

this is the full error: https://paste.md-5.net/poquwoceku.bash

https://paste.md-5.net/kamogipida.java this is the full class

[tender shard]

what's PacketBuffer lines 616 and 52?

[sacred saffron]

https://paste.md-5.net/asuworuwux.cs

[wind timber]

Whats the best plugin to prevent xray

[tender shard]

wrong channel

[wind timber]

Bro i just need a name

[tender shard]

ask in the correct channel

#help-server

[sacred saffron]

wrong channel

[wind timber]

🤓🤓

[tender shard]

also that's for paper only

[sacred saffron]

du you have already seen this paste?

[tender shard]

are you sure that strings even are prefixed with their length?

[sacred saffron]

Mir ist grad aufgefallen das du aus Deutschland kommst also können wir auch deutsch schreiben

[sacred saffron]

Ja aber müsste

[smoky oak]

its in the rules i think

[sacred saffron]

no?

[tender shard]

it's english only

[smoky oak]

also why isnt this image loading

[sacred saffron]

bruh

can we switch pls to dm?

[smoky oak]

see youre lazy and not reading em

[tender shard]

even if it's only in the channel description of #general , it applies to the whole server

[smoky oak]

he?

the rules link to this

i dont think md_5 means the #general channel saying 'General rules'

[sacred saffron]

can we switch pls to dm?

[dawn plover]

anyone using intelliJ that understands something about themes and stuff XD
its not really coding, but i cant think of any better place to ask so idk what else
if anyone wants to help, then i will make a thread to show the problem

[ivory sleet]

Sure

[waxen jackal]

Is it possible to ignite a moving tnt block? this behaviour isn't enabled by default but it plagues my server.

Current code:

    @EventHandler
    private fun onListenArrowGroundHit(event: ProjectileHitEvent) {
        val entity = event.entity
        if (entity !is Arrow) return

        if (event.hitBlock?.type == Material.MOVING_PISTON) {
            val data = event.hitBlock!!.state as MovingPiston
            val movingBlock = data.movingBlock
            if (movingBlock !is TNT) return
            movingBlock.isUnstable = true
        }

        entity.remove()
    }

It does reach the movingBlock.isUnstable = true part, but it doesn't ignire

got it fixed

[elder wren]

Hello guys, i would like to setup spigot and maven for Minecraft 1.7.10 but I don't know how to write the dependencies, can someone know how to do it ? Thanks for your answers

[undone axle]

https://howoldisminecraft188.today/

[elder wren]

Can I use Bukkit?

[smoky oak]

i mean

maybe

buildtools should still support bukkit but i dont know if modern versions still build to it

[elder wren]

I actually couldn't find anything

[smoky oak]

--compile-craftbukkit ?

[remote swallow]

--compile CRAFTBUKKIT

[smoky oak]

wait thats a space?

why

[remote swallow]

yeah

[remote swallow]

no clue

probably a java internal

[queen niche]

hey guys! Is there a efficient way to check if a block is a valid block where an item frame can be placed on?

[lilac dagger]

i have shaded an api and relocated it inside my own api, how do i make javadocs with the relocated packages?

hmm, i think i found something

i'll try it

[remote swallow]

normally you will just add the other libs docs to yours with the link stuff, and not include their docs inside yours

[lilac dagger]

well, in my case this other api is mine also, it's the game engine api, so it's best to shade it/relocate in

[remote swallow]

does it also have javadocs hosted

[lilac dagger]

not yet

i can't keep the engine in the root as it would clash with other minigames of mine

so relocating it is the best

[lilac dagger]

i could make a separate plugin for it

i'll try, thank you

[remote swallow]

you can reloacate it fine, just link javadocs for it to attach the variables from

[kindred sentinel]

I can't figure out how to check if a person is going right or left using the PlayerMoveEvent, I know that this can be calculated somehow, but I can't figure out how

I mean to the right or left of the direction

[smoky oak]

player movement depends on the camera. Find the vector the player moves in, and remove the y value, then calculate the angle using a (0,1,0) vector as planar identificator (dont know the actual name), to the equally flattened vector given by the player's sight. AFAIK can take on 8 values like that for the cardinal and diagonal directions as viewed by the player

vector math is dumb

[tender shard]

that's basic trigonometry.

1. get the vector between old and new location, let's call the old location A, the new one B, and the difference AB
2. get the yaw as radians, I think it should be yawRad = yaw * pi / 180. we'll turn that into a vector called yawVec with the three values cos(yawRad), 0, -sin(yawRad)
3. get the dot product of AB and yawVector.

and then comes step 4 but I don't remember how that works lol

maybe ask chatgpt

[smoky oak]

actually i realize its probably much simpler than that

[tender shard]

is it?

[smoky oak]

i mean, the rotation is available, so you have that

[tender shard]

do you mean yaw with rotation?

[smoky oak]

ye

you should be able to calculate the rotation of the movement direction too

then its just some numbers

[tender shard]

hm idk

what do you even need this for @kindred sentinel ?

[smoky oak]

also the 'to' location in the playermoveevent may have the yaw of the direction youre moving into

[kindred sentinel]

I want to make plugin that allows player only move forward or backward if he is in flight

:/

[tender shard]

people could be pressing W+D without moving the camera - they are going right. but what if they only move the mouse to the right and press W? Does this count as straight-forward, or as going right? what if they are going straightforward but in a diagonal direction, etc

[tender shard]

oh well then just check if the new yaw is greater or lesser the old one

you can just do

Location old = event.getFrom();
Location to = event.getTo();
to.setYaw(old.getYaw());
event.setTo(to);

or sth

[smoky oak]

id really recommend doing a check on that if you do that tho, setting it without checking if needed will be more glitchy

[kindred sentinel]

Oh no, I wanted player to only move forward or backward from the camera like pressing w or s

[smoky oak]

good luck on that matjh

[lilac dagger]

yeah you could check if he turned left enough by comparing the old and new

and if he passed a threshold in a period of time you could consider it a left turn

[kindred sentinel]

chat gpt wrote that

    public void onPlayerFly(PlayerMoveEvent event) {
        Player player = event.getPlayer();
        Vector from = event.getFrom().toVector();
        Vector to = event.getTo().toVector();
        Vector movementVector = to.clone().subtract(from);

        Vector cameraDirection = new Vector(
                Math.cos(player.getLocation().getYaw() * Math.PI / 180),
                0,
                Math.sin(player.getLocation().getYaw() * Math.PI / 180)
        );

        double dotProduct = movementVector.normalize().dot(cameraDirection);

        if (dotProduct > 0.5) {
            player.chat("Right");
        } else if (dotProduct < -0.5) {
            player.chat("Left");
        }
    }```

and it's really working

[lilac dagger]

yes but it's easier with the way i said it

yaw being in degrees is awesome

you don't need to complicate movements with sin and cos 😄

oh nvm, i forgot to take in the account the player movement

[austere cove]

#help-server

[tender shard]

yeah but how's that going to help you

also shouldn't it -Math.sin

[kindred sentinel]

Maybe because of that right is left and left is right

:/

wait

[smoky oak]

honestly i wouldve just taken the numbers and tested where what side is lol

[kindred sentinel]

i'm too stupid for that

,_,

i don't know vectors from math ,_,

[livid dove]

Whats a valid reason?

[tender shard]

a justifiable explanation for pinging him, instead of doing it randomly

[kindred sentinel]

ok it's really useless to make something like that but i'm too stubborn

that's why i understood this only after doing that

sorry for bothering you

the idea was good to make something like hoverboard that can't move right or left but using this way it's really lagging that's why it became useless

[near mason]

how to set a players skin to offline player's skin?

[grim hound]

You can use SkinsRestorer

Or you can override the GameProfile texture property after sending a texture http request and refreshing that skin by sending the player info (remove), OutRespawn, and player info (add) packets

[lilac dagger]

Wait, how do you send a texture http request?

[whole surge]

Hello. Im trying to add animation on usage of custom item with resourcepack and this code doesn't seem to be working:

ItemMeta hand = p.getInventory().getItemInMainHand().getItemMeta();

hand.setCustomModelData(22813372);
Bukkit.getScheduler().runTaskLater(Alcotester.getPlugin(Alcotester.class), () -> {
      hand.setCustomModelData(2281337);
      tester.setItemMeta(hand);
}, 20L);

``` (it's intended to change modeldata to a different picture and then back)
Can you help me a little please?

[lilac dagger]

I have custom npca and sometimes when the sertver starts they lack the skin

[grim hound]

I mean like getting the player info, from like a mojang api, and then only getting the texture parameter

[lilac dagger]

Ohh

[grim hound]

You can do that using Gson

And spigot also uses it so no need to compile it with the plugin

[near mason]

wouldn't OfflinePlayer.getPlayerProfile().getTextures() work?

[grim hound]

What is that?

OfflinePlayer#getPlayerProfile is a thing?

[near mason]

Player p = Bukkit.getPlayer(args[0]);
                    OfflinePlayer offlineP = Bukkit.getOfflinePlayer(args[1]);
                    
                    p.getPlayerProfile().setTextures(offlineP.getPlayerProfile().getTextures());

ye

maybe bec im using Paper

[grim hound]

Must be new

[remote swallow]

thats in spigot

[grim hound]

Oh ye that explains it

[remote swallow]

it was added in 1.18.1

https://hub.spigotmc.org/javadocs/spigot/org/bukkit/OfflinePlayer.html#getPlayerProfile()

[grim hound]

Ye test it

You still probably need to refresh the textures

[near mason]

ok

[near mason]

how to do that?

[grim hound]

.

[near mason]

ohh ok

[grim hound]

Player info (remove), OutRespawn & player info (add)

These packets

[near mason]

ok

[grim hound]

There may be other ways now

[near mason]

maybe hide player from all players and show him back?

[grim hound]

Ye that should send the remove and add packets

Now just throw a respawn packet in that

You can either teleport the player into another world

get the player's channel and use Channel#writeAndFlush

[near mason]

i will use ProtcolLib

[grim hound]

Or use the sendPacket method in I think the Entity Player class

[grim hound]

I guess that also works

[near mason]

ok thank you you helped a lot

[marsh crater]

Is there a clean method of taking a world in the servers root folder (ie, "duel_map"), creating an instance of it and teleporting people to it? Then deleting the instance when it's done. I'd want to create multiple instances, and I'd like to avoid plugins designed for this (for learning purposes) unless the code required is grotesquely long/complicated

[grim hound]

Bukkit.createWorld(WorldCreator)

Or do you want to use an existing world?

[marsh crater]

I want a template that I can make multiple instances of

[grim hound]

I don't get what you're saying

[remote swallow]

you would need to clone the folder then load it

[grim hound]

So copying worlds?

[marsh crater]

is that industry standard?

[remote swallow]

no clue

[marsh crater]

I want "duel_map" world that I build (same as "world", "world_nether") and I want to load an instance of it for each duel that players start, then I want to remove the instance when they leave

[remote swallow]

you shouldnt load a world for each duel

[obsidian shore]

that's not a great idea

[marsh crater]

How is it usually done?

[obsidian shore]

would be pretty laggy, creating worlds is an expensive operation

[remote swallow]

1 world and just spreading them appart

[grim hound]

Copy the blocks

[marsh crater]

So just modify the player list and chat so it only shows people in current match?

[obsidian shore]

you could async paste the arena in different regions as needed, that is what I did for a practice pvp server

[grim hound]

Yeah that would work

[obsidian shore]

That works if you don't want terrain interations

like fire etc..

[spare hazel]

so im using intellij idea for plugin development and when i added my other plugin's jar as an external library file and used it, there was no errors in the IDE but when i packaged it using maven, there was this error:

package com.amirparsa.hypixelcustomitems does not exist

this is the code where i used my other plugin's code:

private static HypixelSkillCore plugin;
    private static HypixelCustomItems customItemsLib;

    @Override
    public void onEnable() {
        plugin = this;
        customItemsLib = (HypixelCustomItems) getServer().getPluginManager().getPlugin("HypixelCustomItems");

how can i fix this and no i dont wanna use interfaces for api

[grim hound]

I think I once had a similar issue. Make sure the pathway is correct, reload maven, it will fail once and should work correct afterwards

[spare hazel]

and also, do i have to add anyhing to the pom.xml?

[grim hound]

Uggh I haven't been using maven for so long I don't actually remember.

[spare hazel]

why? maven is way better than gradle

[obsidian shore]

🤮

[grim hound]

I mean gradle is faster

[remote swallow]

is it tho

[spare hazel]

its easier to use

[remote swallow]

imo its not

[grim hound]

But builds 2 minutes

[obsidian shore]

bazel better

[grim hound]

IntelliJ compiler better

[spare hazel]

oh maven is older...

and also, do i have to use the RUN button for getting a build for plugins or the BUILD buttton? when using maven and the minecraft dev extension

[grim hound]

In maven I think it was the build button in the maven section

[remote swallow]

the green play button with a mvn package run config

[whole surge]

this code changes model data to 22813372 and then back to 2281337 which have different textures

but the texture in game doesn't change

[grim hound]

Why is the number so high?

[vital ridge]

Why does setItemMeta remove all nbttags that I previously added to my item?

[whole surge]

because funny number

[grim hound]

Makes sense

[whole surge]

it overwrites all

[austere cove]

because you're replacing meta lmao

[spare hazel]

to prevent conflicts with other resourcepacks maybe