help-development

[drifting bluff]

i tried but stopped at like the 3rd sentence bc i dont understand and i neverheard of that kind of stuff

Why is it soooo hard to just use the config.yml

[chrome beacon]

because you skipped the learning Java part

huh why

Why do you want it to try and store an invalid address

[dawn flower]

i'm making /ipban, and i want it so if the address is invalid it ipbans the player

if that makes sense

so /ipban bob would ipban someone named bob, /ipban 127.0.0.1 would ipban 127.0.0.1

[chrome beacon]

Just match the username first

if no match try and match ip

[dawn flower]

ok

can you "join" a bukkit task? like a thread

nvm

is it possible to get all the ips a player joined with

or the last ip the player joined with

[brittle geyser]

  String zeroTo255 = "(\\d{1,2}|(0|1)\\" + "d{2}|2[0-4]\\d|25[0-5])";
  String regex = zeroTo255 + "\\." + zeroTo255 + "\\." + zeroTo255 + "\\." + zeroTo255;

[slender elbow]

technically there is no standard format for a textual IPv4 representation, so if you are expecting it to be in a certain format, just parse it yourself so you don't get any surprises

[umbral ridge]

Yes

EmilyParser

[orchid trout]

how to decompile jar in intellij

[dawn flower]

u dont

it's bad and u prob cant

[chrome beacon]

I mean you can

Intellij ships with a decompiler

Though I recommend just using Recaf

[dawn flower]

how do i check if an offline player has a permission (without vault)

[rough drift]

offline players have no permissions

they get added on join

[dawn flower]

they technically do, they're stored somewhere

just like how you can get their statistics

[rough drift]

iirc vault, pex, lp, etc store them in their own database

and add it on join

[dawn flower]

ah

[rough drift]

spigot has PermissionAttachments

which get removed on quit

and are not saved

[dawn flower]

doesnt lp use vault?

[rough drift]

not that I know of

I think it may have support, but I don't know

[dawn flower]

ok

[tall dragon]

yes it does

[chrome beacon]

Wrong channel

[dull walrus]

opps

what channel then?

[quiet ice]

If you're asking that question: Probably not.

Channel would be #help-server

[dull walrus]

ok thx

[slate siren]

guys

I encountered a problem while coding with Kotlin

[blazing ocean]

What problem?

[slate siren]

Armor stand, I set it so that right click does not work if there is no head on the head.

And I said this should only apply to armor stands with names starting with "enderchest"

[river oracle]

sounds like a skill issue

not a kotlin issue

[rough drift]

that is a quick and surefire way to let people abuse your plugin

[slate siren]

But all these armor stands prevent me from right clicking and I cannot equip a head.

[river oracle]

that isn't a kotlin issue though

[slate siren]

Ok I know there is something wrong with the code

[river oracle]

so why haven't you sent the code

[slate siren]

https://pastes.dev/IyANCRI9Ti

here

Check numbers 98 to 115

1 minute, since the explanations are in Turkish, it is difficult to understand, let me explain it in English for you

[blazing ocean]

And have you done some debugging?

There is no way for us to know if that config field exists

[slate siren]

I think there is a problem between 98 and 115, what I want to do is, if the armorstand starting with the name "enderchest" does not have a helmet on its head, right click should be blocked.

But this applied to all armor stands, and when I right click on other armor stands it blocks it.

I use the command to attach heads to armor stands starting with the name Enderchest.

/applyhead (name) I'm obsessed with writing, but I can't wear it because normal armor stands don't have names.

To briefly summarize, right-clicking is only valid on armor stands that start with "enderchest"

I couldn't find the problem

[blazing ocean]

And then what problem are you having??

[slate siren]

// Interaction blocking check
val interactionBlocked = config.getBoolean("armorstands.$worldName.$armorStandName.interaction_blocked", false)
if (interactionBlocked) {
event.isCancelled = true
}

I did this

Event.isCancelled = true

But it didn't work very well

[blazing ocean]

?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.

[slate siren]

... Sir, I have been explaining the problem for two hours already.

Wait 1m

[glad prawn]

setCancelled exist

[blazing ocean]

You've been explaining what you want it to do, not what isn't working

[blazing ocean]

...

Kotlin allows you to use property access syntax for getters and setters

[shadow night]

Syntax sugar

I call kotlin the diabetic language

[blazing ocean]

Yea but it's pretty fun to use

[shadow night]

Well, yeah, ig

[brittle geyser]

How can i use my plugin in github release in other gradle plugin like dependency?

[blazing ocean]

What?

[slate siren]

I'll send a video 1m

[blazing ocean]

You want to use your plugin as a dependency?

[brittle geyser]

yes, my plugin in github

how to use it as dependency in my another plugin

[shadow night]

Publish it to your maven local

Or, if you have one, a maven repo

[brittle geyser]

how to publish into maven repo

[slate siren]

Look video

[shadow night]

?google should help

[undone axle]

Google your question before asking it:
https://www.google.com/

[slate siren]

Normally, if there is a head in the armor stand named enderchest, the command works.

But otherwise the command will not work

I blocked right click so that the command does not work when I am not wearing a helmet.

This prevents this when I right click on the normal armor stand with any armor or head.

[river oracle]

depends

[slate siren]

Thats the problem

[dense falcon]

    @EventHandler
    public void onClick(PlayerInteractEvent event){
        Action action = event.getAction();
        Player player = event.getPlayer();

        if ((action == Action.LEFT_CLICK_AIR || action == Action.LEFT_CLICK_BLOCK) && NeoWorldPlugin.playerIsInListInConfig(player, "cpsTest.players")){
            FileConfiguration config = NeoWorldPlugin.getConfig();
            int playerClicks = config.getInt("leftClicks." + player.getUniqueId().toString());
            playerClicks++;
            config.set("leftClicks." + player.getUniqueId().toString(), playerClicks);
            NeoWorldPlugin.saveConfig();
        } else if ((action == Action.RIGHT_CLICK_AIR || action == Action.RIGHT_CLICK_BLOCK) && NeoWorldPlugin.playerIsInListInConfig(player, "cpsTest.players")) {
            System.out.println("Clic droit détecté pour " + player.getName());
            FileConfiguration config = NeoWorldPlugin.getConfig();
            int playerClicks = config.getInt("rightClicks." + player.getUniqueId().toString(), 0);
            playerClicks++;
            config.set("rightClicks." + player.getUniqueId().toString(), playerClicks);
            NeoWorldPlugin.saveConfig();
        }
    }
``` Why the right click is not detected 🤔 ?

[dawn flower]

where u clicking the air with nothing in hand

[dense falcon]

I was right clicking in the air.

With nothing.

[blazing ocean]

That doesn't fire the event

[dense falcon]

"RIGHT_CLICK_AIR".

Left click does.

[blazing ocean]

Well yeah, that fires with an item in hand

And left clicking is attacking

[dense falcon]

And right clicking without item?

There is an event 🤔 ?

[dawn flower]

if u right click while looking at nothing and holding nothing

it doesnt send a packet

[blazing ocean]

Yeah it doesn't trigger for right clicking with an empty slot

[dawn flower]

because mojang loves us

[blazing ocean]

Blame mojank

[dawn flower]

mojank

[dense falcon]

Lol but there is not event for this type 😭 ?

[blazing ocean]

No

The client doesn't send a packet

It's just not possible

[dawn flower]

it kinda is

[dense falcon]

😦

[dawn flower]

but u need a hacky way

[dense falcon]

😭

[blazing ocean]

Not without an item

[dawn flower]

u can make an armorstand follow the player's camera

(invisible one)

[blazing ocean]

💀

You could also just make a custom air model

[dawn flower]

that would need a tp

[blazing ocean]

tp?

[dawn flower]

texture pack

[blazing ocean]

No, a resource pack. It's not the same thing

[slate siren]

Problem solved.

[dawn flower]

fr?

i've been lied to my whole life

what's the difference

[blazing ocean]

Resource packs do much more than just textures

https://minecraft.wiki/w/Texture_pack

"was a collection of files"

[dawn flower]

oh

am dumb

[blazing ocean]

https://minecraft.wiki/w/Texture_pack_(disambiguation) But yea, this

[safe furnace]

https://www.spigotmc.org/threads/bungeeonlinetime-player-wasnt-found.658465/

anyone if knows :) thanks.

[wise mesa]

You could use that new entity

https://minecraft.wiki/w/Interaction

But yea you would have to do the same thing with it following where the player is looking

Probably

[wise mesa]

Typically when people say texture packs nowadays they’re referring to resource packs so I feel like it’s not that unreasonable

You can just assume at that point

[blazing ocean]

Well the term sucks since resource packs do a LOT more than just textures

[wise mesa]

It’s true

They even have some basic shaders now??

[blazing ocean]

Not basic

[wise mesa]

That’s wild to me haha

Well basic in their scope I mean

[blazing ocean]

You can do a lot of cool fuckery with them

Spheya made coloured lighting with just a resource pack.

[wise mesa]

I don’t think you can replace every shader in the game like you can with optifine/iris

That’s dope

[blazing ocean]

Well most

[blazing ocean]

Not just spheya tho

[wise mesa]

That’s pretty cool

Do you know how they work?

[blazing ocean]

https://x.com/datalioness_/status/1810157127375151256

DataLioness (@datalioness_) X:ssä

So ehm I made this cool thing with this other cool girl @spheya_ COLORED LIGHTS! 100% Vanilla, no fabulous graphics 💜

Twitter · Jul 8, 2024, 3:41 AM

[wise mesa]

Like do you just write shader programs

[blazing ocean]

They get some custom info from the server

[blazing ocean]

Yea

[wise mesa]

Or does it use some kind of weird json format

Wow that’s pretty cool

Resource packs really are something nowadays

Especially combined with data packs

Mojang has done a really good job moving things out of code and into data

[blazing ocean]

Yea for definitions but you write GLSL for Vertex and Frag shaders

[wise mesa]

That’s so interesting

I mean it makes sense but

I just never would’ve expected mojang to add that

[blazing ocean]

https://github.com/PuckiSilver/NoShadow e.g. this

Shaders themselves are kind of simple but making cool shit with them is harder

[wise mesa]

For sure

I tried to make my way through that online shader book at one point but never finished

[lost matrix]

A Player is also an Entity, meaning this should def result in a Player being returned.

[eternal oxide]

If they are online

[coarse parcel]

i can raytrace entities to check for block displays, right?

the raytrace thing doesnt go based off of hitboxes, righttt?

[slender elbow]

:Clueless:

[pseudo hazel]

wdym

the worlds ray functions detect entities yeah

[coarse parcel]

it does not need a hitbox

World#rayTraceEntities does not check for hitboxes

[slender elbow]

is that a question or a statement

[coarse parcel]

its a question?

:P

[slender elbow]

it certainly didn't sound like one lol

[coarse parcel]

checking for entity "collisions" does not mean it needs a hitbox to work?

[slender elbow]

well, you can only collide with entities that have a hitbox

[coarse parcel]

how do i check for display entities then

nevermind

found it

sorry

forgot the raysize

[slender elbow]

hm, looking at it, it doesn't really need to have a hitbox

[coarse parcel]

Note: Due to display entities having a zero size hitbox, this method will not detect them. To detect display entities use rayTraceEntities(Location, Vector, double, double) with a positive raySize

i wasnt using the raysize param

[pseudo hazel]

i guess ray trace works in mysterious ways

[umbral ridge]

Yes

[slender elbow]

it literally just does a getNearbyEntities by max distance, expands their bounding boxes by the ray size, and checks if the ray intersects the bounding box

[pseudo hazel]

is bounding box not hitbox?

[slender elbow]

yeah

[pseudo hazel]

oh but it expands from a dot to ray size

[slender elbow]

yeah

[pseudo hazel]

that kinda makes sense I guess

[slender elbow]

oh and it has to check the distance to every entity that intersects the "ray" so it gets the nearest one

it's less of ray tracing and more of, uh, that

[echo basalt]

wouldn't it make more sense to just uh

create a bounding box at each point with a diameter of raySize and see if any of the corners intersect any though

instead of expanding entity boxes

[slender elbow]

i mean it works either way, but also, what does "at each point" mean? what is your atom here?

[torn shuttle]

urgh

I've written the exact code illusion is talking about here

still part of my legacy code suite

you need a resolution

it's not great

[slender elbow]

yeah i mean ray-tracing and step-based is bound to not work with 100% accuracy

[pseudo hazel]

"each point" would be the position where it grows from anyways

[torn shuttle]

hmmmmmm....

not with that attitude

[slender elbow]

the problem is the distance between each step

[torn shuttle]

there's two ways to do it either resolution or if you want to get fancy with it raymarching, never did the second one for this purpose but with some math I can imagine it could be a funky way to do it

pretty sure if you did a raymarch with a simple validation you'd have 100% accuracy

but also probably expensive to run, idk it's overkill for this application anyway

raymarching is great though, it can do a lot of interesting things

great for faking fluids too

if anyone wants to get megasweaty they could try to implement entity chunking and raymarching for a really accurate and efficient ray

[worthy yarrow]

I think you forgot we're spigoteers, not magmachads

[slender elbow]

yeah in here we ask basic java questions and refuse to learn any math beyond addition

[worthy yarrow]

I actually am a pro, I learned subtraction too

[alpine urchin]

no one in vc

:c

[worthy yarrow]

No vc today D:

[ivory sleet]

Ah goofy retrooper

[worthy yarrow]

Hey do you guys have any tips for designing data structures?

[pseudo hazel]

like what?

[worthy yarrow]

Anything generally applicable?

[ivory sleet]

Unit tests are more handy than what you think

Talk to ur rubber duck, logic can get confusing

[worthy yarrow]

I'll be sure to have a chat with a couple of them

A little gathering if you will

[ivory sleet]

sounds good

well also

Don’t copy pasta from jdk source

Much of its code is not really up-to-date

[worthy yarrow]

Fair enough

[ivory sleet]

I mean its fair to read it, but yk, doing a goofy copy pasta

[worthy yarrow]

I tend to write things out and play around with them myself so

[ivory sleet]

yea that’s nice

[river oracle]

Unit test

[ivory sleet]

I wrote that!

[blazing ocean]

FAFO driven dev >>>>

[ivory sleet]

[river oracle]

Don't look at any sources unless it's sources to learn about the idea behind the structure itself

You won't learn copy pasting

Also avoid geeks for geeks

Their data structure implementations are god awful

[ivory sleet]

dont they just provide pseudo code anyway?

[blazing ocean]

They are god awful
ftfy

[river oracle]

No they do actual impls in a few languages

[ivory sleet]

oh right

[river oracle]

Java and C usually

But their code especially tree implementations are horrid

[blazing ocean]

But their code is horrid
ftfy, again

[ivory sleet]

I remember talking to one of the devs of one of those guide sites, and he just wrote code, didnt even try it before publishing an article or something

[river oracle]

ftfy?

[blazing ocean]

fixed that for you

[alpine urchin]

i wanna send a gif

but no one is active in general

[ivory sleet]

tag fourteen

He likes em

[river oracle]

@worthy yarrow tho I'd reccomend finding a reputable data structures course at a local tech college or university from a processor with good ratings

[blazing ocean]

Oh god

[river oracle]

You actually stand to gain a lot from a datastructures course

[ivory sleet]

Google generally has good and well implemented data structures on their repos iirc

[alpine urchin]

@tardy delta yes im a snitch conclube

erm

🤓

i was implored by staff

[river oracle]

Meh I'd discourage looking at actual impls unless you're checking your work

[ivory sleet]

@alpine urchin

[ivory sleet]

Yea, of course, I mean it depends on what your end goal is

[blazing ocean]

retro irl:

[alpine urchin]

https://tenor.com/view/popee-the-performer-popee-ptp-popee-the-popee-circle-gif-26304488

[ivory sleet]

Often times u don’t have the exact data structure u need so u cant find it anywhere regardless

[blazing ocean]

https://tenor.com/view/wahoo-fish-fish-spin-realfishguy-gif-7133228637650880735

[river oracle]

I thought he just wanted to learn about them tbh

[ivory sleet]

yea idk tbh

[worthy yarrow]

Well yes

[river oracle]

If you need to make your own I'd reccomend looking at the theory and take a crack yourself

It'll be hard if it's a complex structure but you stand to gain a lot

[worthy yarrow]

^ this is exactly what I am doing right now actually

[acoustic pendant]

Is it normal that using adventure api in spigot (having it relocated) sending a message uses 0.04% server thread? Or is it too much

[river oracle]

I wouldn't over analyze that

Look if it becomes a problem

[alpine urchin]

just only send a message if the user is looking at their screen

and not sleeping

best optimization

[ivory sleet]

i mean it might be

[acoustic pendant]

I mean, this command is consuming 0.08% server thread

I think that's too much right?

[alpine urchin]

oh no!

[acoustic pendant]

wha

[river oracle]

Stop micro optimizing

This is giving x y problem energy

[ivory sleet]

its probably a bit much, but like, there’s so many layers of abstraction there adri so like, it’s presumably not surprising

[tardy delta]

you bought the whole cpu, youre gonna use the whole cpu

[alpine urchin]

i /command you to send me your plugin source rn

[river oracle]

If you're concerned about performance use a proper profiler and use JMH

[acoustic pendant]

uh

[alpine urchin]

or JProfiler

my sponsor

hey guys

this video is sponsored by jprofiler

[ivory sleet]

Shameless

[alpine urchin]

jk, they provide a free license to open source projects

if you regard that as a sponsor

then its a sponsor

they sponsor me a free license

[ivory sleet]

Is that command dispatched often?

if not, then not an issue by any stretch of the imagination

[acoustic pendant]

Not really, but it can get much laggier

[alpine urchin]

https://media.discordapp.net/attachments/996865258679455845/1176945035128885380/speechmemified_Screenshot_2023-11-22_at_10.56.22_PM.png.gif?=&width=2370&height=1464

[acoustic pendant]

Because I'm looping through the config which can be expanded

[ivory sleet]

u’re reading io?

Or looping through a cached config ?

[acoustic pendant]

cached i think

[river oracle]

👀 doing IO in the main thread be like

[ivory sleet]

well if its io, then there’s a worthy optimization to care about

[acoustic pendant]

or wdym about io?

Mb but just in case

[ivory sleet]

Io as in u reading the contents of that file from the disk

[acoustic pendant]

Oh no

cached

[ivory sleet]

As opposed to read it from memory ^

Alr well I wouldn’t worry too much then

I mean you can ask yourself if you really need the adventure api in that specific case, lets say you’re just sending a simple message

[acoustic pendant]

I do need it, for colors xd

[ivory sleet]

And minimessage isnt enough?

or yea fuck u using minimessage

Im dumb

[acoustic pendant]

yea

[eternal night]

[ivory sleet]

Lynx lurking

[eternal night]

per usual

[acoustic pendant]

The thing is I don't know if I can handle the message consum

0.03 is because of adventure code

[ivory sleet]

I mean maybe u could load up the message on start up or something ?

if you’re not doing that rn

[acoustic pendant]

Not doing that

but that actually doesn't do anything

[ivory sleet]

Well I havent seen ur entire spark so idk

[alpine urchin]

spark a fire

[acoustic pendant]

https://spark.lucko.me/tFDYc1vC3a

Use this better @ivory sleet

[sleek island]

i think im just stupid but how do i pathfind an nms entity to a location in 1.20?

[acoustic pendant]

I know it is micro optimising but just confused why is it consuming that much

[ivory sleet]

ah okay its because it calls gson, and has to serialize and everything

doing like AAA SHIT bunch of method calls under the hood

many layers of abstraction I suppose?

[ivory sleet]

PathNavigation iirc is the name of the class

[river oracle]

Adventure is super abstracted

But for a good reason

[acoustic pendant]

xd

[ivory sleet]

every cool entity has a navigation object u can invoke

[acoustic pendant]

Then is it not my problem?

[eternal night]

I mean, it using gson to round trip to bungee component is kinda needed given you are using platform?

[ivory sleet]

🥲

[sleek island]

ive tried this:
this.mob.getNavigation().moveTo((double)((float)blockPos.getX()) + 0.5, (double)blockPos.getY(), (double)((float)blockPos.getZ()) + 0.5, this.speedModifier);

[ivory sleet]

U need to make sure that no goals/brain activities are interfering w it

yes its a pain, but doable

[sleek island]

ive cleared all the goals

[ivory sleet]

yea not rly ur problem

[acoustic pendant]

It doesn't have that much impact however

so yeah

[ivory sleet]

Could use this other fork if that satisfies u more, think adventure is better implemented there

[eternal night]

Well they are using it

but yea, you'd have to dip the platform/spigot support

[ivory sleet]

ye

[eternal night]

or come up with some abstraction over bukkit platform

[ivory sleet]

ah yea like LuckPerms

[ivory sleet]

idk hard to tell w/o any code

but I mean in theory its just some method calls on the navigation

[sleek island]

i treid using the movetoblock goal
public class PathfindGOTOBLOCK extends MoveToBlockGoal {
private final BlockPos targetBlockPos;

public PathfindGOTOBLOCK(PathfinderMob pathfinderMob, double speedModifier, Location location) {
    super(pathfinderMob, speedModifier, 0);
    // Convert Bukkit Location to Minecraft BlockPos
    this.targetBlockPos = new BlockPos(location.getBlockX(), location.getBlockY(), location.getBlockZ());
}

@Override
protected boolean findNearestBlock() {
    // Set the block position to the target
    blockPos = targetBlockPos;
    return true;
}
@Override
public void tick() {
    blockPos = targetBlockPos;
    this.mob.getNavigation().moveTo((double)((float)blockPos.getX()) + 0.5, (double)blockPos.getY(), (double)((float)blockPos.getZ()) + 0.5, this.speedModifier);
    super.tick();
}
@Override
protected boolean isValidTarget(LevelReader levelReader, BlockPos blockPos) {
    // Check if the target block is valid (implement your logic here)
    // For demonstration purposes, we'll assume all blocks are valid.
    return true;
}

}

to make a custom goal

[ivory sleet]

Ah I almost forgot about the “legacy” goal system

but lets see

[sterile breach]

https://github.com/Mojang/brigadier/

can someone explain me, if I want to execute the command whether there are arguments or not and retrieve them all how I can do?

[sleek island]

the args List

if u need it to be a number u can parse the string with args[n], with n being the argument

[ivory sleet]

You can have a greedy argument string

or u have to set the executes() for all arguments

that is both for the literals and arguments on the tree

[ivory sleet]

So doesnt MoveToBlockGoal already implement the move logic?

[sterile breach]

if i give args server say that it dont know the command

LiteralCommandNode<CommandSource> helloNode = BrigadierCommand.literalArgumentBuilder("test")
     .executes(context -> {
   System.out.println("a");
               })
.build();```

[ivory sleet]

Your only job is to filter out valid blocks

[sleek island]

yea but i cant implement that

how do i do so

i noticed the entity moves back to where it was spawned

[ivory sleet]

u do something like:
var lit = literal("lit")
var arg = arg(…, “arg”)
lit.executes(…)
lit.then(arg)
arg.executes(…)

and u pass same execution logic to both executes() invocations

[ivory sleet]

just derive the class and implement isValidTarget I think?

[ocean hollow]

Any ideas on how to make these numbers and wheel rotate?

[sterile breach]

there is not way to just get all args without having to do that?

(idk how spigot implement commands but it probably use brigadier)

[remote swallow]

what are the numbers

is the entire thing an image or are the numbers sperate displays

[ocean hollow]

numbers and wheel separately

numbers - text display

[ivory sleet]

well spigot u just read the arguments array in the CommandExecutor?

but like

[ocean hollow]

wheel - item display

[remote swallow]

transform them

[ivory sleet]

thought u were on about brigadier

[remote swallow]

spigot command system doesnt use brigadier

[lament tree]

Without breaking SpigotMC's rules, where do I find developers that would work for money?

[chrome beacon]

?services

[undone axle]

If you wish to request or offer development/art/building/administration services, please do so at https://www.spigotmc.org/forums/services-recruitment-v2.54/

[lament tree]

Thank you

[ocean hollow]

how exactly?

[remote swallow]

math

[sterile breach]

yes, when you create the command you dont give a required args amount, spigot put all args in an array

[ivory sleet]

yea

You just parse it

[remote swallow]

because spigot doesnt care what args there are, it just hands you them all

[ivory sleet]

you just check argument n + an extra m arguments w spigots command executor api

[ocean hollow]

and how is LeftRotation applied? does it rotate relative to the center? or just the visual itself?

[ivory sleet]

@sleek island if my memory isnt trolling me

You can override findNearestBlock

[sleek island]

you can?

[ivory sleet]

And that should be fine just

[sleek island]

lemme try it tysm

[ivory sleet]

Similarly to how u did

[sterile breach]

I think I missunderstood, its just not the objectif and philosophy of brigader (its impossible to work with unknowed args amounts?)

[ivory sleet]

no its not

but if u want a variable argument u probably need to use greedy argument type

w a string

I guess it could be possible to have a custom argument type

[sterile breach]

with brigaddier you mean?

[ivory sleet]

yup

[sterile breach]

are you sure its possible? for brigaddier every space marke a new arg I think

[ivory sleet]

StringArgumentType.greedy()

[sterile breach]

just to be sure, if I want to accept 2 args, what should I do?

                .executes(context -> {
                    System.out.println("a");
                    CommandSource source = context.getSource();

                    Component message = Component.text("Hello World", NamedTextColor.AQUA);
                    source.sendMessage(message);

                    // Returning Command.SINGLE_SUCCESS means that the execution was successful
                    // Returning BrigadierCommand.FORWARD will send the command to the server
                    return Command.SINGLE_SUCCESS;
                })

[ivory sleet]

@sleek island anyway if u wna implement it urself, implement canUse() and canContinueToUse() properly, run moveTo() in start(), (u may wanna run it in tick() to recalculate path), dont forget to set goal flags

[ivory sleet]

I mean if you KNOW you wanna accept two args, just arg1.then(arg2)
and arg2.executes(…)

else assuming u use a greedy string argument type u can get a string of multiple args (separated by spaces)

[sterile breach]

I find this example, where do you add you arg2 implmentation (I am note sure to understand that you said)?

    public static BrigadierCommand createBrigadierCommand(final ProxyServer proxy) {
        LiteralCommandNode<CommandSource> helloNode = BrigadierCommand.literalArgumentBuilder("test")
                .requires(source -> source.hasPermission("test.permission"))
                .executes(context -> {
                    CommandSource source = context.getSource();

                    Component message = Component.text("Hello World", NamedTextColor.AQUA);
                    source.sendMessage(message);
                    return Command.SINGLE_SUCCESS;
                })
                .then(BrigadierCommand.requiredArgumentBuilder("argument", StringArgumentType.word())
                        .suggests((ctx, builder) -> {
                            proxy.getAllPlayers().forEach(player -> builder.suggest(
                                    player.getUsername(),
                                    VelocityBrigadierMessage.tooltip(
                                            MiniMessage.miniMessage().deserialize("<rainbow>" + player.getUsername())
                                    )
                            ));
                            builder.suggest("all");
                            return builder.buildFuture();
                        })
                        .executes(context -> {
                            String argumentProvided = context.getArgument("argument", String.class);
                            proxy.getPlayer(argumentProvided).ifPresent(player ->
                                    player.sendMessage(Component.text("Hello!"))
                            );
                            return Command.SINGLE_SUCCESS;
                        })
                )
                .build();
        
        return new BrigadierCommand(helloNode);
    }

[ivory sleet]

how does ur command look?

like in terms of /cmd arg arg arg…

[sterile breach]

I dont make command Im just trying to understand but lets imagine a command who need two or one args

[ivory sleet]

Ah okay

I can send u some code

As example

[sterile breach]

with pleasure

[eternal oxide]

are you still messing with making a command for yoru click event?

nm

[sterile breach]

I don't remember doing this

[ivory sleet]

My discord is soon updated on my laptopie

with pleasure

[sleek island]

how? sorry

[ivory sleet]

did u read DMs?

I sent some stuff there

[alpine urchin]

so kind

[thin frost]

Hey guys, how do I increase the number of enemies/mobs in total that should be spawnable on the server and also a specific mob e.g., iron golem?

[lost matrix]

Via the config files

[thin frost]

I've been looking, which settings exactly?

I have made a plugin that spawns a lot of monsters but it seems like I run in some max cap for certain enemies e.g., iron golem

[lost matrix]

something something spawn-limits

[thin frost]

@lost matrix can't seem to find it

[lost matrix]

Probably looking in the wrong config file

[thin frost]

I have already looked around and I can't find the config, hence why I am asking here.

In which config find would I find this?

[lost matrix]

#help-server

[thin frost]

I am asking in #help-development because I don't believe it exists.

So I am asking for an alternative way.

If you know please help me figure out how to change it.

[thin frost]

What's the name of the config file?

[lost matrix]

bukkit.yml

[thin frost]

Ok so that groups all monsters under one bucket, how do I do it specifically for e.g., iron golem?

[lost matrix]

Programatically?

[thin frost]

Sure

[lost matrix]

What platform are you running?

[thin frost]

Spigot latest (1.21) windows

[lost matrix]

In that case there is no more granular way to increase the spawn limits

[thin frost]

Bummer, alright thanks.

I'll try bumping monster limit to ~5k

[lost matrix]

Sounds like a safe way towards 5TPS

What are you trying to do in the first place?

[thin frost]

Seems to run pretty smoothly with 2500

I'm increasing the number of enemies with the number of people online

Atm I'm just hooking into natural zombie spawns but it would be awesome to spread the spawns further to not make it all as grouped

Not sure how to achieve that though

[lost matrix]

What are you trying to do in the first place?

[thin frost]

This

[lost matrix]

Btw you can set the spawn limit per World using
https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/World.html#setSpawnLimit(org.bukkit.entity.SpawnCategory,int)

[thin frost]

Ah sweet

[lean arrow]

    @EventHandler
    fun BlockPlaceEvent.onBlockPlace() {
        val blockItem = CraftItemStack.asNMSCopy(ItemStack(blockPlaced.type))

        val tagsList = ListTag()
        tagsList.add(StringTag.valueOf("#dmcc:all"))
        val tag = blockItem.orCreateTag
        tag!!.put("CanPlaceOn", tagsList)

        blockItem.tag = tag
        val modifiedBlock = CraftItemStack.asBukkitCopy(blockItem)
        val itemMeta = modifiedBlock.itemMeta
        itemMeta.addItemFlags(ItemFlag.HIDE_PLACED_ON)
        modifiedBlock.itemMeta = itemMeta
        player.inventory.addItem(modifiedBlock)
    }

am i missing something, this doesnt seem to work for me, no errors, i just dont get an item

[worthy yarrow]

Not a kotlin expert but I'm not too sure that's how you define listeners

[lean arrow]

nah that part's fine, its a nice extension function feature

[river oracle]

That is the dumbest way I've ever seen a listener defined

Please don't

I use kotlin too blood but that isn't it

[lean arrow]

i enjoy it 🤷

[river oracle]

You're actively abusing extension functions for no purpose

[worthy yarrow]

I always see rad do it like:

    fun onPlayerJoin(event: PlayerJoinEvent) {```

[lean arrow]

yeah you can absolutely do it like that

but it just saves me from having to write event all the time and im lazy

[river oracle]

That's how listeners should be defined you should also register them normally

[lean arrow]

man i was not looking for kotlin advice, im perfectly fine using it like that 😭

[river oracle]

Extension functions compile down to static util methods

Not guaranteed to play nice with the current event system

Come back with a properly registered and formatted event handler and I'll be haply to help

[lean arrow]

@EventHandler
    fun onBlockPlace(event: BlockPlaceEvent) {
        val blockItem = CraftItemStack.asNMSCopy(ItemStack(event.blockPlaced.type))

        val tagsList = ListTag()
        tagsList.add(StringTag.valueOf("#dmcc:all"))
        val tag = blockItem.orCreateTag
        tag!!.put("CanPlaceOn", tagsList)

        blockItem.tag = tag
        val modifiedBlock = CraftItemStack.asBukkitCopy(blockItem)
        val itemMeta = modifiedBlock.itemMeta
        itemMeta.addItemFlags(ItemFlag.HIDE_PLACED_ON)
        modifiedBlock.itemMeta = itemMeta
        event.player.inventory.addItem(modifiedBlock)
    }
``` there you go

[river oracle]

Have you used debug statements

Are you sure the event runs

[lean arrow]

yes and yes

[river oracle]

Are you sure

[pseudo hazel]

and what if you give yourself just a normal item?

[lean arrow]

well when the debug statements i added inside the function print, i'd say im slightly confident that it run

[river oracle]

Did ya do what steaf said uet

[lean arrow]

trying that now

[river oracle]

Ik the issue prob

Don't convert back to a Normal Bukkit stack stay using a CraftItemStack

Bukkit can't represent some of the data you're adding

It's probably lost in translation

Try using a mirror

asCraftMirror

This is prob old nms I'm guessing

[lean arrow]

using 1.20.4 remapped moj

[river oracle]

Try using a mirror instead of a bukkit copy

[lean arrow]

will do

[worthy yarrow]

So like what do we use nms for nowadays

I feel like a lot has been implemented in spigot hasn't it? At least since 20.5

[river oracle]

I use it for components, others registries, an actually good itemstack api is another good one

[young knoll]

? I don’t think a ton has changed in spigot since 1.20.5

[worthy yarrow]

prior to 20.5 I meant

[river oracle]

ItemMeta is so blegh imho

Especially after seeing components

[worthy yarrow]

Ig that's why I'm shading adventure for component support kek

[river oracle]

There is kinda it goes through ItemMeta still but it's far less powerful than actual components

[young knoll]

What is missing

[river oracle]

Well yeah that's the ItemMeta limitation

You have to do it to specific items that should have that type

[young knoll]

Technically that’s how the game is meant to be

But yea you can add the component to anything technically

[river oracle]

Not really if that was the case mojang would limit it hard

They have hard cap on values already

I think the argument for ItemMeta is fairly week. Doesn't mean it's horrid API it can be done better tho

[young knoll]

Right but most components don’t work on other items so there’s no point

[river oracle]

I mean sure but what happens if let's say items go data driven

I think components are much more ready to handle such a transition

[young knoll]

Well let’s cross that bridge when we come to it

[river oracle]

Idk I don't think there is a downside for future proofing and improving an API

Not to mention having to clone ItemMeta to read is annoying

[young knoll]

Well then you should get to work

[river oracle]

I would love to but I hate to have to manage so many prs at once

I'll do so when my current inventory crusade comes to an end

I'm not just sitting here complaining I'm actually trying to do stuff to make improvements. It's easy to complain but I genuinely also want to change things

I honestly usually see that as a you won't comment but I will :P may not be soon I can only do so much at once

It's a clone automatically

It's a copy your editing

Why do you think you have to set it again

Feel free to contribute you have to sign a CLA but all contributions are welcome

It's always nice to have more people working on things

?contribute

[undone axle]

You can find information about contributing to Spigot at the following links:
https://www.spigotmc.org/wiki/cla/
https://www.spigotmc.org/wiki/guide-contributing-to-spigot/
https://hub.spigotmc.org/stash/projects/SPIGOT/repos/craftbukkit/browse/README.md
https://hub.spigotmc.org/stash/projects/SPIGOT/repos/craftbukkit/browse/CONTRIBUTING.md

[river oracle]

@blissful crow I'm always open to questions if you need help contributing

I'm #1 spigot shill

Wanna know how to understand nms :3

Contribute

Or spend a few weeks fucking around with specific things

I did the latter

Blegh that's just packets

[young knoll]

Plib can be kinda weird

You got write the right types to the right indexes

[river oracle]

all the cool kids use PacketEvents

@ retrooper plug

[young knoll]

Makes me wonder… can I send a raw byte[] to the client

If so you could make a very lightweight yet pretty advanced packet system

[river oracle]

I can't see why not if Netty allows you to you probably could

I'm not really familiar with netty so I can't really answer that fully

[floral drum]

yes

in a way

[young knoll]

I haven’t actually looked deep enough

[floral drum]

The thing is with nms handling, it pre-processes your packet before it's sent, which essentially encodes it's id, the length, and all the data, as it seems to only take the Packet<?> class. But, there might be a way around it.

[hard socket]

can I destroy an Item using the Damagaeble interface?

[river oracle]

@young knoll what happened to ItemType changes

[young knoll]

Well recreating the preprocessing should be easy

It’s just an ID and length

[young knoll]

? What changes

[river oracle]

ditching material

Forge and Fabric are much less simple

lots of writing JSON files and such to add stuff

imho the APIs are much less user friendly to beginners. Fabric you are kinda expected to mostly be using mixins though you can also use their API though in scale its much smaller than spigot

[floral drum]

If you think about it, the Plugin Message packet is essentially a custom data packet. Basically what you're "trying to do"

[river oracle]

I have minimal experience with both but those are simply my observations

[young knoll]

I don’t want a custom data packet

I just want to send packets by encoding them raw

[young knoll]

The json stuff is just how minecraft works

Fabric has some sort of datagen system you can use

[river oracle]

yeah ik

not a downside just an observation

[floral drum]

Right so you'd just simply have to use the PacketDataSerializer, or write directly to the "ByteBuf"

[young knoll]

I’ll have to look into PacketDataSerializer

[floral drum]

yeah luckily it's quite simple to understand

I use it sometimes to construct packets that don't have the necessary constructor

[young knoll]

Thankfully netty isn’t obfuscated so you can just depend on it and its ByteBuf directly

[floral drum]

or just for custom data like chunks

[young knoll]

I’m curious why they encode the packet length

Can’t they just read until the end of the data

[floral drum]

I'm pretty sure they do, and I'm pretty sure it's to ensure you receive the correct length of data.

[young knoll]

Fair enough

[floral drum]

Yeah they do

[slender elbow]

tcp networking 101: framing

there is no "end of data", it's just a continuous byte stream with no inherent framing, so you need to come up with your own

[young knoll]

I see

Does it just block if nothing is being sent at the moment

[slender elbow]

it will wait, yeah

the most basic and just reliable kind of framing is bytes length followed by bytes

you could do, like, a delimiter, like a null terminator, but 💀

[young knoll]

Then you can’t use the value elsewhere

Which is an oof

[floral drum]

Essentially it takes the current readable bytes of the Netty ByteBuf, and adds it to the PacketDataSerializer.a(readableBytes) (Not sure what this method does). To ensure the packet is writable for that length.
It then writes the length of the packet using - PacketDataSerializer#d (Writes a VarInt).
And then lastly it writes all the bytes from the ByteBuf to the PacketDataSerializer.

(This is what I get from the Prepender class)

[slender elbow]

spigot mappings 💀

[young knoll]

So it’s just packet id, data length, data

[floral drum]

Length - Id - data

[young knoll]

Ah length is first

Interesting

[floral drum]

Ah okay PacketDataSerializer#a is getVarIntSize

[young knoll]

Is that not just the length of the byte array

[slender elbow]

as a varint

it's just a way to encode a compressed int, instead of always sending an int as 4 bytes

[floral drum]

So step by step to construct a ByteBuf/PacketDataSerializer to send to the client

• Write the (to be sent) bytebuf's length as a varInt (PacketDataSerializer#d)
• Write the (to be sent) bytebuf's current data using writeBytes
• Write the Packet ID as a varInt (PacketDataSerializer#d)
• Write the Packet Data

[dense falcon]

How can I know if the player has an anti kb, I saw talk of the velocity but what value indicates that it is possible that the player has it or that he necessarily has it.

[river oracle]

that moment when the fix for SPIGOT-6833 causes SPIGOT-7856

[young knoll]

Is the bytebufs data not the packet data

[floral drum]

That's what I can see from how nms is written

it's strange

[torn shuttle]

is there an event for potions that place blocks

[floral drum]

ima look at the client to see what it does

1 sec

Wait I see how it works now okay

[slender elbow]

i mean this is all documented in wiki.vg lol

https://wiki.vg/Protocol#Packet_format

[floral drum]

@young knoll
So yeah it essentially -

Packet encoding

• Write the id of the packet as a varInt (into data)
• Write the packet data (into data)

After, into the outbound ByteBuf

• Writes the packet length as a varInt (data.length)
• Then writes all the bytes for the whole of the packet (data)

[torn shuttle]

I would like to nominate Damageable as a strong contender for the worst part of the spigot api

[floral drum]

lolll

[young knoll]

Which one

Kek

[fiery wren]

    public static void when(AtomicBoolean b, Runnable runnable) {
        Thread thread = new Thread(() -> {
            while (!b.get());
            runnable.run();
        });
        thread.start();
    }```
is there a better way to do this

[river oracle]

what are you doing

I'm going to need more context this seems possibly very scary

[fiery wren]

when "b" becomes true, is runs runnable

[river oracle]

why

[fiery wren]

why not

[river oracle]

why do you need to run a task when a certain random AtomicBoolean turns true

sounds very suspicious of bad design

[fiery wren]

my friend told me "why isn't there a when keyword like while and if" so i did that

for fun

and was wondering if u can do it better

[river oracle]

I think the best you can do is strive to never use this

[fiery wren]

ok

[floral drum]

Whatchu mean which one

[young knoll]

Damagable is an ItemMeta concept and an entity concept

[river oracle]

I'm so stupid I was so overcomplicating this plugin loading system never even thought of using a graph 😭

[torn shuttle]

item

[slender elbow]

CompletableFuture ✨

[river oracle]

erm no thanks I'll be using this totally legit system!!

[slender elbow]

if it works for you

[river oracle]

it works 100!!! ExecutorServices are overrated anyways

I just go raw on threads with AtomicBooleans

[grave kayak]

hello, does anyone know how i would cancel the crafting event for the autocrafters

[haughty oak]

anyone had this problem where intellij can't recognise bukkit classes and ends up looking like this

[kind hatch]

?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 you can use to upload images.
Lightshot: https://prnt.sc
Imgur: https://imgur.com/upload
Flameshot: https://flameshot.org

[unique shuttle]

Does anyone know if there is a way to get the number of lines in TextDisplay?

[haughty oak]

thanks

anyone had this problem where intellij can't recognise bukkit classes and ends up looking like this

the plugin builds just fine

[worthy yarrow]

If I had to guess, update intelliJ

[haughty oak]

ok I fixed it, went to File -> Repair IDE and kept going until it was fixed (took like 8 steps)

[worthy yarrow]

I'm pretty sure getText is the only related method

[mortal vortex]

hah always happens to me

[wary oyster]

whats the best way to move the player? my end goal is a parkour plugin that generates parkour that has an option to move the player automatically through it
i saw that you can apply velocity to the player but id rather not have to completely mimic the vanilla movement

[hybrid spoke]

you could use a pathfinder or whatever and make a tracking shot to show the parkour

[wary oyster]

wait spigot just has a pathfinder??

this is my first self project after doing youtube tutorials

[hybrid spoke]

no

[hybrid spoke]

well then you should search for something more easy

[wary oyster]

nah ive made it before in python i know the coding concepts

but my python one only worked outside of the game

and just generated

[hybrid spoke]

to let the player jump the parkour automatically will be the hard part

[wary oyster]

yeah

i was thinking i would have to recreate the player movement with the vector methods

[wooden zodiac]

how to get black stained glass pane in 1.8 itemstack?

[hybrid spoke]

yeah but you would need a path or whatever which you can push along

luckily there is pathetic https://github.com/patheloper/pathetic

[hybrid spoke]

wasnt it something with setting the byte data

[wary oyster]

i thought it was just a number

[wooden zodiac]

idk its my first time working on 1.8 i learned 1.20 spigot

[hybrid spoke]

then screw it lol

[wooden zodiac]

its important

for client

[wary oyster]

are you perhaps doing something with hypixel skyblock

if not ignore

[hybrid spoke]

its this shit

where data is the color iirc

[wooden zodiac]

ohh

[wary oyster]

i dont think that would work for parkour

[hybrid spoke]

you can make it work for parkour, you just have to create your own strategy

thats where the hard part begins

[wary oyster]

i would probably just look at how they implement player movement, and use only that then just hardcode jump paths for specific jumps given an end and start point, that way i dont have to do any complicated on the fly reasoning since all of whats upcoming is known behind the scenes in code

no need to overcomplicate with on the fly reasoning when im using disscrete known chunks

wait cant i just do a thing where when registering a new jump, i make a thing that is called every tick that gets the velocity and saves it to a list, then that list can be used to individually set the velocity

then i literally do not need to simulate anythin

then again, the jump of a minecraft player is a parabola of a specific max distance for a given velocity, and you can only gain a specific amount of momentum with a given number of space, and the parabola could be simulated, the vectors would be generated from the slope on that graph.

🤔

simulated seems very possible and kind of fun ngl

[vague bolt]

Hi Rob, good question. If you want to do this optimally, I recommend storing the usernames in-memory in a radix-tree. Feel free to take my implementation if you want (do bear in mind the LGPL license). The test show guide you on how to use it (basically you call .traverse with the prefix of the username): https://github.com/Jannyboy11/InvSee-plus-plus/blob/master/Utils/src/test/java/com/janboerman/invsee/utils/UsernameTrieTest.java#L47

[echo basalt]

bit more complex than a trie but does a fairly ok job

[vague bolt]

The reason this makes tabcompletion efficient for non-empty prefix strings, is you only have to search the descendents of the node that is found when traversing through the prefix.
It's also space-optimised; you won't have to store all the full username strings: common prefixes will be shared in memory.

[foggy cave]

Hey guys, I'm pretty new to Java and I have a background of C++, I have this snippet of code and not really sure how memory management really works on java, so I was wondering if I had to set the variables to null (I couldn't find a destructor)

@EventHandler
    public void onPlayerDeath(PlayerDeathEvent event) {
        if (event.getEntity() == null)
            return;

        PlayerAccount victimAccount = AccountLoader.getPlayerAccount(event.getEntity());

        if (victimAccount != null)
            victimAccount.setDeaths(victimAccount.getDeaths() + 1);
        // else: add 2 queue

        if (event.getEntity().getKiller() == null)
            return;

        PlayerAccount killerAccount = AccountLoader.getPlayerAccount(event.getEntity());

        if (killerAccount != null)
            killerAccount.setKills(killerAccount.getKills() + 1);
        // else: add 2 queue

        victimAccount = null;
        killerAccount = null;
    }

[hazy parrot]

No, you don't have to

Gc will handle that for you

[foggy cave]

Ah okay I was just worrying because PlayerAccount is a pretty big class and I didn't want to have a bunch of instances just chilling, thanks!

[umbral ridge]

Dont use deprecated methods

[eternal oxide]

(IF there is a replacement)

[umbral ridge]

there has to be a better way

☕🚬

[foggy cave]

Which method is deprecated?

[umbral ridge]

Did you use gorilla glue on your hair

[eternal oxide]

none in your code

He was probably scrolled up and commenting on a previous post.

[white root]

what should I set the default: to for a permission node in my plugin if I want nobody (not even OP players) to have it unless they explicitly have that permission node?

I want to use permissions as a type of per-player settings thing for my plugin, so I have a plugin.ignoreme permission that makes the plugin just not interact with the player
But I dont want anybody (OP or not) to have the permission by default

[eternal oxide]

false

[wary oyster]

what is the smallest unit of vanilla minecraft hitboxes in units of block pixels?

https://www.mcpk.wiki/wiki/Blocks

found a list

[echo basalt]

In short everything acts as a "pointer" and when there are no references to it the GC will take care of it

[wary oyster]

https://www.mcpk.wiki/wiki/Blocks#:~:text=1 × 1-,0.015625,-Is ¼ of a

it appears to be a lily pad

does anyone know of any block with a finer precisionn than that from newer versions?

[echo basalt]

at that point just use entities

[karmic falcon]

hi,i am trynna give a custom nbt tag to an item so it dont stack, i cant import those classes tho

[echo basalt]

Import spigot not spigot-api

might need to run buildtools for that

[karmic falcon]

this guy?

[sterile breach]

to get a player name from uuid if it never played on the server, I have to use mojang api?

[eternal oxide]

?bt

[undone axle]

https://www.spigotmc.org/wiki/buildtools/

[chrome beacon]

You might be able to use the PlayerProfile API

[sterile breach]

is a spigot thing?

[chrome beacon]

https://hub.spigotmc.org/javadocs/spigot/org/bukkit/Server.html#createPlayerProfile(java.util.UUID)
https://hub.spigotmc.org/javadocs/spigot/org/bukkit/profile/PlayerProfile.html#update()

yes

It should call the Mojang API for you

[drifting bluff]

how do i make it so the get Cofnig and config woprks?

in the main file i got this

        this.saveDefaultConfig();
        this.getConfig().set("useWorldguard", true);```

[chrome beacon]

We've told you how multiple times now

[drifting bluff]

how was it

[eternal oxide]

you shoudl saveDefault before you touch the config

[chrome beacon]

There is no getConfig method in your commands class. You need to access it from your plugin instance

doing so with the help of di

?di

[undone axle]

Guide to dependency injection: https://www.spigotmc.org/wiki/using-dependency-injection/

[drifting bluff]

this again

[drifting bluff]

IM TOO DUMB FOR THIS

[chrome beacon]

Read through it

[eternal oxide]

read and learn then

I guess first you need to learn what an instance is

[chrome beacon]

?learnjava

[undone axle]

For Beginners:

Codecademy - Learn Java: Interactive Java programming course from basics to more advanced concepts. Perfect for absolute beginners.
https://www.codecademy.com/learn/learn-java
JetBrains Academy - Java Developer Track: Learn by doing with projects and challenges. It covers Java fundamentals to advanced topics.
https://www.jetbrains.com/academy/
Udemy - Java Programming Masterclass for Software Developers: Updated courses that cover Java 8 to Java 17 features. Suitable for those who prefer structured learning.
https://www.udemy.com/course/java-the-complete-java-developer-course/

For Intermediate to Advanced Learners:

Oracle Java Tutorials: The official guides by Oracle for Java programming—great for understanding the depth of Java.
https://docs.oracle.com/javase/tutorial/
Baeldung - Learn Java and Spring: Focus on Spring Framework and modern Java technologies. Best for intermediate learners aiming to expand their knowledge.
https://www.baeldung.com/

Practice and Hands-on Learning:

Exercism - Java Track: Solve exercises and get feedback from mentors. Great for practicing coding skills.
https://exercism.io/tracks/java
LeetCode: Practice your coding skills and prepare for technical interviews with Java.
https://leetcode.com/

Free Resources and Documentation:

Java Programming and Documentation: A comprehensive collection of Java programming guides, tutorials, and API documentation.
https://docs.oracle.com/en/java/

Community and Support:

Stack Overflow: A vast community of developers. Great for getting help with specific problems or understanding concepts.
https://stackoverflow.com/questions/tagged/java
r/learnjava on Reddit: Join the community of Java learners and get advice, share resources, and discuss projects.
https://www.reddit.com/r/learnjava/

Remember: Learning to program takes practice and patience. Don't hesitate to experiment with code and participate in community discussions. Happy coding! 🎉

[drifting bluff]

is this riught for the main file?

[chrome beacon]

That's not valid Java

[lost matrix]

Thats pretty much not even Java, yeah

[karmic falcon]

i dont quite get it how is this supposed to help me

[eternal oxide]

SimpleCore plugin

[karmic falcon]

i already have my server built

[drifting bluff]

its like ehre

[eternal oxide]

and not pvp

[karmic falcon]

which external jar should i import in eclipse

[chrome beacon]

?bootstrap

[undone axle]

Bootstrap Jar
The main spigot-1.18.jar is now a bootstrap jar which contains all libraries. You cannot directly depend on this jar. You should depend on Spigot/Spigot-API/target/spigot-api-1.18-R0.1-SNAPSHOT-shaded.jar, or the entire contents of the bundler directory from your server, or use a dependency manager such as Maven or Gradle to handle this automatically.

Please read the release notes for further information: https://www.spigotmc.org/threads/9-years-of-spigotmc-spigot-bungeecord-1-18-1-18-1-release.534760/#post-4305163

[chrome beacon]

I do recommend using maven

[drifting bluff]

?

[lost matrix]

You need to run BuildTools for your version at least once, otherwise you wont have Craftbukkit and/or NMS on your machine.

[chrome beacon]

and hopefully not the Spigot jar

[lost matrix]

What version are you writing for?

[karmic falcon]

1.20.4

[karmic falcon]

i already setup my server, arent build tools for building ur spigot server?

[lost matrix]

In that case you dont need craftbukkit or nms. Since 1.14, Spigot has an API for NBT tags.

?pdc

[undone axle]

https://www.spigotmc.org/threads/a-guide-to-1-14-persistentdataholder-api.371200/

[karmic falcon]

oh alr

[drifting bluff]

what did i do wrong? bc i did it like in tut

    private final pvp plugin;

    public pvp(SimpleCore) {
        this.plugin = plugin;
    }
}```

[karmic falcon]

thnx but is there a way to work with NBT tags without using an api?

[lost matrix]

And if you are willing to update to 1.20.5:
Minecraft now supports setting the stack size of any ItemStack directly.

[chrome beacon]

plugin variable is of the wrong type

[eternal oxide]

these are not teh same

yoru field is wrong

[chrome beacon]

SimpleCore isn't a variable

just the start of one

[eternal oxide]

and yoru constructor is broken

[drifting bluff]

    private final pvp plugin;

    public pvp(SimpleCore plugin) {
        this.plugin = plugin;
    }
}```

[lost matrix]

You cant write Spigot plugins without using Spigot. Not sure what you mean by that.

Its not an external API. Its simply a part of Spigot.

[near citrus]

Hello guys, is it possible to register a new DataComponentType in nms?

[karmic falcon]

ohh i just reread it and now i understand, thnx im still confused on why this isnt there by default if its part of spigot

[drifting bluff]

?

[drifting bluff]

what do i do then

[chrome beacon]

Try it and see

[lost matrix]

Its there by default. If you use Spigot 1.14 or higher, it just exists. Nothing else you need to do.

[near citrus]

i tried but when i create a new item with the custom component it crashes the client (disconnecting), it looks like the client doesn't recognize the component but is there a way to prevent sending the component data to client?

[lost matrix]

You can detect outgoing item packets and clean them up. What is the benefit you hope to achieve with custom components?

[blazing ocean]

Sounds like you're registering custom components?

[blazing ocean]

No

At least not without that happening

Just use the custom_data component

[near citrus]

some custom data that i don't want to read from nbt every time i need it, even if i try to sync the de-serialized data with the nbt it's hard to cache it

[lost matrix]

Making an Item unstackable:
1.20.5 and higher:

    ItemStack itemStack = new ItemStack(Material.DIAMOND);
    ItemMeta meta = itemStack.getItemMeta();
    meta.setMaxStackSize(1);
    itemStack.setItemMeta(meta);

1.20.4 back to 1.14:

    JavaPlugin plugin = ...;
    ItemStack itemStack = new ItemStack(Material.DIAMOND);
    ItemMeta meta = itemStack.getItemMeta();
    PersistentDataContainer dataContainer = meta.getPersistentDataContainer();
    NamespacedKey key = new NamespacedKey(plugin, "__random_id__");
    dataContainer.set(key, PersistentDataType.STRING, UUID.randomUUID().toString());
    itemStack.setItemMeta(meta);

[near citrus]

how can i do that? could you help me with that?

[blazing ocean]

Why can you not use the custom_data component?

[near citrus]

i just said why

[near citrus]

.

[lost matrix]

That would require reading the data each time

[blazing ocean]

Well, then just cache it

I don't get what would be hard to cache

[near citrus]

it's not easy cause item stacks are not like entities to have like metadata or something

[blazing ocean]

What?

[karmic falcon]

ohh, i will already be using the nbt tag sso i will just give it a unique id, thnx tho

[near citrus]

how do you expect me to cache the data? if it was entity it would be easy cause i could cache it using it's metadata, but for itemstacks there are no metadata for them

[blazing ocean]

Yes there is?

ItemMeta

[lost matrix]

It is incredibly hard to detect when an item is equipped/unequipped.
Detecting changes in the players Inventory and caching the deserialized nbt data on each one is really hard.

[drifting bluff]

guys is there a easy alternative to the config.yml?

[blazing ocean]

config.yml isn't hard

[chrome beacon]

The config.yml is as easy as it gets

[drifting bluff]

😭

can someone step to step like help me with the di

?di

[undone axle]

Guide to dependency injection: https://www.spigotmc.org/wiki/using-dependency-injection/

[near citrus]

yeah that's what im saying. if i could create a custom component data type myself it would be way better and way more performance friendly

[near citrus]

item meta is not metadata

[lost matrix]

I personally cache the data in memory data structures and do all the detections via events

[near citrus]

with metadata you can store any objects, item meta is like bukkit version of components

[blazing ocean]

?pdc

[undone axle]

https://www.spigotmc.org/threads/a-guide-to-1-14-persistentdataholder-api.371200/

[lost matrix]

Metadata is absolute rubbish tho.

[eternal night]

I mean, the performance killer isn't the PDC de/ser to your type.

it is ItemMeta cloning

[near citrus]

alr i guess i have to figure it out myself, thanks for your time

[near citrus]

pdc is the bukkit version of nbt bruh, it's the same with custom_data component

[lost matrix]

Myeah, depends on how complex your data is and how good your deserialization works. If you have huge data objects in your PDC as json Strings and
deserialize them on something like the PlayerInteractEvent, it can be noticable.

[blazing ocean]

DFU 😉

[eternal night]

Yea, true

[lost matrix]

I dont even know what that means

[eternal night]

not that DFU has anything to do with it

[blazing ocean]

You can just use it to (de)serialise NBT tags ig

[eternal night]

but having plugins insert their own class instances into nms is not smart so, you are kinda stuck with de/ser

(or you cache them, which is what I do for most of my shit)

Some 5 min evicting cache that you first try to hit with a single uuid parsed from the data, otherwise do the full read

writing becomes a bit more annoying but is fine usually

[lost matrix]

I currently use small identifiers in my PDC (just storing integers) and then using a registry to get the respective in-memory Objects.
Getting an int from the pdc is neglible in any event.

[blazing ocean]

On fabric I just create my own Components and throw a CompoundTag into them using DFU, cache it and there ya go

[eternal night]

Yea, and with paper you can even read the pdc without ItemMeta cloning so

speed

[blazing ocean]

?whereami 😡

[undone axle]

https://cdn.discordapp.com/attachments/864180468680360027/944415049462714469/whereami.mp4

[eternal night]

[keen charm]

Hey

If I call PlayerList#initializeConnectionToPlayer() method, which calls PlayerList#onPlayerJoin(), it calls an event which uses the server thread a lot

And as far as I can see onPlayerJoin() calls PlayerJoinEvent

I am suspecting that another plugin might be listening to PlayerJoinEvent and do resource-extensive operations, but on other plugins the server thread usage is pretty low

[lost matrix]

Spark should catch invocations from other plugins. How many connections do you have to handle on average?

[keen charm]

I am not sure on that since this report was taken from my client. But I can say that this method has been called at least 200 times, aka 200 players joined.

Oh, I just saw another plugin lol

It had 18-19% usage

[lost matrix]

Its 100% some garbage plugin which loads data from a File/Database and not using the AsyncPlayerPreLoginEvent but the PlayerJoinEvent for that.

[keen charm]

You guessed it right haha

Not sure if it's a garbage plugin tho, but for data loading it is

[grim ice]

do blocks have PDCs?

[tall dragon]

some, TileEntities do

like a furnace

[chrome beacon]

?blockpdc

[undone axle]

Learn about CustomBlockData here:
https://www.spigotmc.org/threads/custom-block-data-persistentdatacontainer-for-blocks.512422/

[tall dragon]

tho resources exist that allow for a pdc

^

[grim ice]

nice

[wooden zodiac]

What is persistent data container

[lost matrix]

It is a container which can store persistent data.
persistent means it wont vanish on restarts.

?pdc

[undone axle]

https://www.spigotmc.org/threads/a-guide-to-1-14-persistentdataholder-api.371200/

[lost matrix]

You can store data on things like ItemStacks, Entities, Players, Chunks, Worlds, certain Blocks and some more.
All of them have a PersistentDataContainer.

[wooden zodiac]

That's cool

[lost matrix]

Yes its one of the coolest api features and i use it a lot

[upper hazel]

inventory click event not detect item move with 1-9 numbers

what the event i need use?

[lost matrix]

InventoryClickEvent

[upper hazel]

bro

[upper hazel]

.

[chrome beacon]

It is the event you need

[upper hazel]

oh wait

I didn't translate it correctly. When I move an item through the keyboard buttons (1-9) from inventory to my inventory, inventoryClick does not work.

[chrome beacon]

Show your code

[lost matrix]

That is a missconception. The InventoryClickEvent is fired when you move items into your hotbar from another Inventory using the number keys.

[grim ice]

btw

how'd I copy the direction of my character

to use in code

nvm, im kinda stupid, i can just print it out

[lost matrix]

[lost matrix]

I mean you can also just press F3 and look at the debug screen

[grim ice]

oh!

right

im trying to basically launch a snowball

[grim ice]

but i cant be bothered to do trial and error

to see what number values work best

[upper hazel]

i click '1" button

but not work

not detect

[lost matrix]

?nocode

[undone axle]

It’s hard to answer a programming question without code
Oh no! You ran into a problem. But no worries, people are willing to help, but first they need to see your code. This is because otherwise, they would be providing help based on guesses instead of concrete knowledge. Whether it be a compile error, runtime error, or an unexpected output, I'm sure that if you were to provide code, you'd receive a quick solution.

[lost matrix]

Ah its in the video

[grim ice]

so uh, how do i get a vector from this again..

[upper hazel]

player.<getVectorMethod>

[grim ice]

no um

[upper hazel]

dont remeber

[grim ice]

I want to use my player's vector

but

not on it

like, I want to shoot a snowball from a block

but with this exact direction..etc

[eternal oxide]

player location.getDirection() gives the vector

just spawn teh snowball at the location you want, applying teh vector and velocity you want

[lost matrix]

*getEyeLocation()

[grim ice]

thank you guys

also uh

how do I change the vector so that the starting point is the dispenser block's face?

[eternal oxide]

no

a vector has no origin

a Location is a point defining a position

a Vector is just an indication of a direction

[lost matrix]

A vector always goes from 0|0 towards its direction.
But you can find out a Location from which to start by using the Directional interface. You can cast the BlockData to it, and then calculate the middle.

[ivory sleet]

i mean tracking back to this problem, u just summon the snowball and apply the given velocity needed? not sure how much you need to overthink concerning vectors

[wooden zodiac]

why there's no splash potion in 1.8.8 spigot?

[ivory sleet]

there is?

[languid briar]

There is bro

[grim ice]

I'll try that

[eternal oxide]

If you are using a Dispenser, then cast to Dispenser, getBlockProjectileSource and call launchProjectile

[grim ice]

oh

right

ty

[eternal oxide]

using launchProjectile you can provide the projectile and a vector

[lost matrix]

What. I thought he wanted to fire a custom virtual projectile via particles...

But he just wants to fire a vanilla Projectile. oof. Good thing Elgarl got thatz

[ivory sleet]

idr exactly but could very much be the case that splash potions just had a custom data value

[grim ice]

yeah ill just use resource packs to make it look fancy

[ivory sleet]

in which there's no "material" for it

but yea

[dapper flower]

What is a good place to get support/guide on how to use protocol lib? I can't find a good place to ask questions

[ivory sleet]

I think the general deal is to use packet events instead, but there should be plenty resources online, like on forums etc

else just ask away here

[river oracle]

Today is finishing my plugin loader day

I realized far to late I could use a graph to detect circular dependencies

Perfect for constructing a load order

[dapper flower]

well i wanted to update the sign from he client side in an an area: here is what I came up with after searching a bit

PacketContainer packet = pm.createPacket(PacketType.Play.Server.TILE_ENTITY_DATA);

BlockPosition blockPosition = new BlockPosition(block.getX(), block.getY(), block.getZ());
packet.getBlockPositionModifier().write(0, blockPosition);
packet.getIntegers().write(1, 9); //read that 9 is to update sign (no way to check if it is true or not)

WrappedChatComponent[] chatComponents = new WrappedChatComponent[4];
for (int i = 0; i < 4; i++) {
    chatComponents[i] = WrappedChatComponent.fromText(entry.getKey()[i]);
}
packet.getChatComponentArrays().write(0, chatComponents);

for (var living : location.toBukkit(world).getNearbyLivingEntities(60)) {
    if (living instanceof Player player)
        pm.sendServerPacket(player, packet);
}

[ivory sleet]

yea, think that is the agreed upon way of doing it, gradle uses a graph and so does spigot/paper iirc

[river oracle]

Now I gotta build it then optimize it

[ivory sleet]

good luck :}

[dapper flower]

is there a way in protocol lib to specify the entity type? like TileEntityType.SIGN or smth

cuz writing 9 i am not sure if it is correct

[river oracle]

Before I was thinking about some tree but then I realized that's way to exact I'd need to go higher up and last night I finally realized oh shit graphs

I always forget about them

[sterile breach]

is there a best libs to make http requests from a spigot plugin?

[river oracle]

I think javas built in is pretty good

Otherwise OKHttp

[sterile breach]

java have a default http lib?

[wooden zodiac]

public static final PotionEffectType HEAL = new PotionEffectTypeWrapper(6);
which effect this resembles?

[river oracle]

Yes you can make http requests without a library

[sterile breach]

ah good