help-development

[worthy yarrow]

Well at least that's a positive in your eyes 😄

[echo basalt]

:)

no clue why I only commented that one method

I gotta actually document and comment shit at some point

[worthy yarrow]

I'm having fun with this project

I'm finally getting out of the damn slump which is nice

[echo basalt]

I barely worked yesterday gotta do shit

[wet breach]

this is true

[echo basalt]

but it's like 8am and I hate working in the morning

[wet breach]

was only going based off the limited code I saw 😛

[wet breach]

keep it up and hang around here, you might learn a thing or two

[worthy yarrow]

@wet breach I mean this should limit the UUID's to 2 every instansiation

It's like the bracket system if you will, just pairs the players that have joined, I also have yet to handle the case when no player can be matched... I'll have to give them a bye or something like that

[worthy yarrow]

That's the point aha

[quaint mantle]

Hello There, There is a problem while launching my own server that is-" -Xmx8G -Xms8G -jar Server.jar 1 nogui
Error: Unable to access jarfile Server.jar"

[worthy yarrow]

That's your answer

Unable to access jar

[lost matrix]

#help-server

[worthy yarrow]

It means your jar file is named incorrectly (in most cases)

[quaint mantle]

No i named it right i guess!

[worthy yarrow]

well then #help-server

[quaint mantle]

ok

[worthy yarrow]

@echo basalt @lost matrix @wet breach @earnest forum thank you all for the notes ❤️

[lost matrix]

No idea what i did but ok

[worthy yarrow]

.

Oh also I have an idea for the countdown before the match starts, I'll use text displays to make a cool looking countdown in-between the players

[dawn flower]

is it possible to change the value of a final variable using reflection?

[green prism]

Hello, I am trying to set MongoDB's driver logging level to WARNING but this method does not seem to work anymore. This is what I've tried to far:

MongoDB Sync Driver Version = 5.0.0
Spigot Version = 1.20.4

@Override
    public boolean connect() {

        ServerApi serverApi = ServerApi.builder()
                .version(ServerApiVersion.V1)
                .build();

        String uri = this.getUri();

        MongoClientSettings settings = MongoClientSettings.builder()
                .applyConnectionString(new ConnectionString(uri))
                .serverApi(serverApi)
                .build();

        // Changing debugging level for MongoDB Driver
        Logger mongoLogger = Logger.getLogger("org.mongodb.driver");
        mongoLogger.setLevel(Level.WARNING);
        
        this.mongoClient = MongoClients.create(settings);
        this.database = mongoClient.getDatabase(uriBuilder.getDatabase());

        try {
            Bson command = new BsonDocument("ping", new BsonInt64(1));
            Document commandResult = database.runCommand(command);
            LoggerUtil.log(
                    Level.INFO,
                    LoggerUtil.LogSource.DATABASE,
                    "Pinged your deployment. You successfully connected to MongoDB!"
            );
        } catch (MongoException me) {
            LoggerUtil.log(
                    Level.SEVERE,
                    LoggerUtil.LogSource.DATABASE,
                    "Error while connecting to MongoDB: " + me.getMessage()
            );
            return false;
        }```

What am I trying to hide?
DB Connection message

[09:24:27 INFO]: [org.mongodb.driver.cluster] Adding discovered server *** to client view of cluster
[09:24:27 INFO]: [org.mongodb.driver.client] MongoClient with metadata {"application": {"name": "WidenCoins"}, "driver": {"name": "mongo-java-driver|sync", "versio...```

[dawn flower]

?

[tardy delta]

yes

why havent you tried out

[dry hazel]

you can't change a final field without egregious hacks

[worthy yarrow]

?paste

[undone axle]

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

[tardy delta]

mustve been static final fields then

[dry hazel]

doesn't work either

not even the hacks work for static finals if the compiler inlines it as a constant

[tardy delta]

ok it cannot even be final

laughs in C

[lost matrix]

*Not anymore
Pre java 11 this was still quite possible

[sullen marlin]

Not for primitives

[lost matrix]

Yeah true. They get inlined either way.

[smoky anchor]

Ah, the good old times when you could make 1 + 2 = -5
https://codereview.stackexchange.com/questions/123247/corrupting-java-arithmetic-through-reflection

[sterile flicker]

https://pastes.dev/VzZoEdwGg1 can anyone tell me why the dragon is not moving, only the player's attack occurs when approaching and animation

[lost matrix]

You should not tinker with the pathfinder in the constructor, and you should also not do this shady reflection fkery.
There is a method which is called to initiate the pathfinders, simply override it.

[dawn flower]

can you store a bytearray list in a fileconfiguration

[lost matrix]

What for? yml isnt really a format that should be used for serialization honestly.
Its a configuration format, not a persistence one.

[dawn flower]

should i use json then, if yes what apis do i use

[lost matrix]

That would be an option

Gson is already bundled with spigot

[dawn flower]

alright

thanks

[lost matrix]

One problem you will encounter here: Generics.
Solution: TypeTokens

    Gson gson = new GsonBuilder().disableHtmlEscaping().create();
    List<byte[]> list = new ArrayList<>();
    
    String json = gson.toJson(list);
    
    List<byte[]> deserialized = gson.fromJson(json, new TypeToken<List<byte[]>>(){}.getType());

[dawn flower]

k 👍

[sterile flicker]

should i add craftDragon.getDragonControllerManager().setControllerPhase(DragonControllerPhase.a); or
((CraftEnderDragon) enderDragon.getBukkitEntity()).setPhase(EnderDragon.Phase.CIRCLING);?

and you talking about initPathfinder(); method?

[lost matrix]

No idea. Old versions are very different from todays.

[sterile flicker]

can I just move it using setposition

[lost matrix]

You should really not

There are some resources out there that write about pathfinder goals and ai goal selectors.

[smoky adder]

Hi, how can i get the current item that player have in hand? I've tried getItemInHand and getItemInMainHand but this two method doesn't work. spigot 1.8.8

[lost matrix]

?1.8

[undone axle]

https://howoldisminecraft188.today/

[lost matrix]

This ancient version is highly unsupported.
However: getItemInHand() should work for this very old version.

[smoky adder]

is deprecated and doesn't get the item in hand

[dawn flower]

can you make gson use pretty json? so it isn't a nightmare for me to debug something if it isn't being properly saved

[lost matrix]

Deprecation shouldnt be a concern for you because you are using software from almost a decade ago.
How did you determine if this works or not?

[lost matrix]

Gson gson = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping();

[dawn flower]

👍

[green prism]

Can you help me?

I understand what you mean, however, I've already pasted my code

[smoky adder]

Because this ItemStack itemInHand = p.getInventory().getItemInHand();should understand the item I have in my hand and through this p.getInventory().addItem(itemInHand); he should put it in his inventory but he doesn't

@lost matrix

[lost matrix]

Show your code pls

[smoky adder]

ok

[drowsy helm]

have you tried debugging any values

[dawn flower]

uh i got a tiny tiny problem, each thingi is like 28kb cuz "setPrettyPrinting" is adding a new line for each byte

[lost matrix]

Try getting the Logger through the slf4j LoggerFactory

[dawn flower]

is there a way to just turn the byte[] into a string and back to a byte[]

[drowsy helm]

yes use a TextDecoder

[lost matrix]

Sure, usually you would base64 encode this byte[]

[smoky adder]

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

[mortal hare]

who tf coded this at gitlab

[lost matrix]

Is the message sent to the player?

[drowsy helm]

why dont you just cancel the event

[smoky adder]

yes

[smoky anchor]

itemInHand.setAmount(0);
p.getInventory().addItem(itemInHand);

What do you want that to do ?

[smoky adder]

@lost matrix sorry the message is not send to the player

[lost matrix]

Well in that case your permission statement is wrong.

And setting the amount to 0 can lead to ghost items in those old minecraft versions.

[smoky adder]

but the block placed is changed with air

the condition is true i think

[drowsy helm]

show the whole event handler

[lost matrix]

Then you have an exception in your console

[smoky adder]

nothing

[smoky adder]

becouse it's bugged

[lost matrix]

Code doesnt just stop running. If you dont get a message then you either have an exception or the whole codeblock wasnt executed.

[lost matrix]

Honestly, just cancel the event

[drowsy helm]

what about it is bugged?

this just looks like a hacky way to cancel the event

[lost matrix]

Anyways 1.8 is ancient and scuffed, buoo maybe helps you out. Ill pass.

[smoky adder]

if I delete the event the block in my hand is not placed but disappears from my inventory and when I right click it appears again

[smoky anchor]

I wonder why the permission is "destroy" when you seeminly remove a block the player placed

[drowsy helm]

by default cancelling the event won't do that, you have some code which is bugging the item

[smoky adder]

becouse it's same for destroy and place

[smoky anchor]

so.. change the name to "modify" at least

[smoky adder]

wait i try

[smoky anchor]

don't confuse ppl

[lost matrix]

Almost forgot:

    byte[] data = ...;
    
    String encoded = Base64.getEncoder().encodeToString(data);
    
    byte[] decoded = Base64.getDecoder().decode(encoded);

[wet breach]

https://tenor.com/view/the-chosen-matthew-everyone-speaks-in-riddles-confused-explain-this-to-me-like-im-five-gif-22243041

[smoky adder]

I'm stupid there were definitely some lines that interfered with the setCancelled method before, now it works thanks for everything ahaha

[ivory sleet]

Do they actually need it in b64?

cuz else u could just use getBytes and String#new(byte[])

[lost matrix]

Myeah but random byte[] sometimes produce horrible stuff like unescaped " and EOF.
If it came from a String then its fine, otherwise it might be risky.

[ivory sleet]

yea, ofc you’d presuppose the source is trusted

but that’s somewhat same if u opt w b64 on a basic level 😅

[lost matrix]

Its less about trust and more about murphys law. Imagine serializing a POJO with java serialization api
and it produces some unthinkable byte[] which explodes your json when put into a String.

Just random garbage in byte[] is weird sometimes

[ivory sleet]

Eh I mean you can apply “it will go wrong if it can” to b64 no? Like all I’m saying is that it might not be necessary to do that type of conversion, if u really just need it in bytes, use the string alr built-in methods for it, which btw uses a charset iirc

Then again the java serialization api is kinda meh

Not the best example but yea

[wet breach]

turning strings into b64 is handy if you are putting them in the DB

especially if you are accepting all kinds of characters or there isn't like restrictions

[dawn flower]

back

[lost matrix]

Ugh, im so undecided on the combat system im currently writing.
For example bows: Should i keep the minecraft bowstring pull or should i create a custom one?
I wouldnt know how to increase the drawback in a clean way for the vanilla bow system...

[dawn flower]

is 4kb reasonable per thing? there can be like 50 or 60 of that thing but def not more

[lost matrix]

1MB per "thing" would be reasonable if you only have 50 or 60 of them. Could as well load them all into memory then.

[drowsy helm]

4kb * 60 is 240kb

thats not even a mb

[ivory sleet]

might be possible with shaders

Assuming u use a resource pack ^^

[drowsy helm]

would save a lot of processing to keep in mem

[lost matrix]

Im learning how to write some opengl rn actually 🙂

[ivory sleet]

Oo, oddly handy rn :^)

[chrome beacon]

Same

[lost matrix]

Its not as hard to get into as i thought. As long as you keep it basic.
But i always forget what attribute, uniform and variyng is...

[chrome beacon]

Ah old opengl

I try to use newer versions

[lost matrix]

Well im not starting with hlsl if thats what you mean

[chrome beacon]

No I'm just talking OpenGL version

Varying for example is just in and out

[lost matrix]

Ah you mean the in and out replacements

well attribute is in and varying is out if my guide is correct

[chrome beacon]

Ah maybe

I don't remember exactly

[lost matrix]

Aaand its broken...

[dawn flower]

one more thing, how do i instantiate an object without calling its constructor (if thats possible)? people say 'Unsafe' but just from the name it doesnt feel very safe

[lost matrix]

You cant. Literally the only way is by using unsafe allocations.

[dawn flower]

do i use it then?

[lost matrix]

Do you absolutely need to?

[wet breach]

you could just avoid openGL and just straight interact with openCL can't say it will be easier though

[dawn flower]

if i dont it'll get insanely complicated

and prob not even possible

[lost matrix]

Elaborate

What are you trying to do?

[dawn flower]

so uh

basically

well

idk how to explain this, i'm trying to make a pet creator plugin, it uses "activators" which are exactly like code blocks, some "activators" like conditional and repeat can have an activator inside an activator aka a map inside a map and can be a map inside a map inside a map which would be very complicated to save without serialization

also pet objects can only have 1 that exists

[lost matrix]

Just... throw the pet into Gson.

[dawn flower]

how do i just "throw" the pet into gson

[lost matrix]

    Pet someComplicatedPet = ...;
    String json = gson.toJson(someComplicatedPet);
    
    // Or if you have a map of pets
    Map<UUID, Pet> petMap = ...;
    String json = gson.toJson(petMap);

[dawn flower]

oh-

[torn shuttle]

to jon snow

[dawn flower]

:-:

i feel so dumb

ty

[native nexus]

I love me some json

[dawn flower]

when the server stops sometimes it's to slow to save the pets so it just throws

java.lang.NoClassDefFoundError: missing/plugins/executablepets/pets/Pet
        at missing.plugins.executablepets.ExecutablePets.onDisable(ExecutablePets.java:55) ~[ExecutablePets-1.0.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:290) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugin(PaperPluginInstanceManager.java:223) ~[paper-1.20.4.jar:git-Paper-430]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugins(PaperPluginInstanceManager.java:147) ~[paper-1.20.4.jar:git-Paper-430]
        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.clearPlugins(PaperPluginInstanceManager.java:153) ~[paper-1.20.4.jar:git-Paper-430]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.clearPlugins(PaperPluginManagerImpl.java:97) ~[paper-1.20.4.jar:git-Paper-430]
        at org.bukkit.plugin.SimplePluginManager.clearPlugins(SimplePluginManager.java:594) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]```

what do i do?

(Pet is loaded correctly)

[chrome beacon]

Send the entire error in a paste

?paste

[undone axle]

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

[drowsy helm]

and your saving code

[dawn flower]

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

@Override
public void onDisable() {
    Pet.cancelTasks();
    for (Player player : Bukkit.getOnlinePlayers()) {
      playerManager.removePlayer(player);
    }
    storage.set("global.pets", getPetManager().getPets());
    saveStorage();
}```

[drowsy helm]

that snippet gives no context

whats in saveStorage and storage.set

[dawn flower]

    private final Gson gson;
    private final File storageFile;

    public Storage(ExecutablePets instance) {
        this.data = new HashMap<>();
        this.gson = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();;
        this.storageFile = new File(instance.getDataFolder(), "storage.json");
        try {
            this.load();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void set(String path, Object obj) {
        data.put(path, obj);
    }```

```    public void save() throws IOException {
        try (Writer writer = new FileWriter(storageFile)) {
            gson.toJson(data, writer);
        }
    }```

```    public void saveStorage() {
        try {
            storage.save();
        } catch (IOException e) {
            throw new RuntimeException();
        }
    }```

sometimes it throws it and sometimes it doesnt

[smoky anchor]

I see some async stuff there so just try to not do something async ?

[dawn flower]

            Bukkit.getScheduler().cancelTask(taskId);
            tasks.remove(taskId);
        }``` this is cancelTasks, all tasks are sync so im not sure what's async in the code

should i put the code in synchronized ()

[ivory sleet]

synchronized sucks imo

[ivory sleet]

What error dou get?

[dawn flower]

check paste

[ivory sleet]

Strange error

Hmm

Dou use reload?

[dawn flower]

yeah to test quickly

[ivory sleet]

Might be the reason

[dawn flower]

wouldn't it be abit disappointing if someone loses all the pets and the player pets due to reloading? especially that this isn't a private plugin

[ivory sleet]

Hmm

Yea i have some theory why it happens tho

[dawn flower]

why?

[ivory sleet]

One factor is gson

Not sure what u’ do w gson, but maybe u force it to look up classes reflectively for u

In which it maybe fucks things up foru

[drowsy helm]

I tend to avoid gson serialisation in most cases, it’s pretty slow. You might benefit from manually scraping your classes and writing to a json object

[ivory sleet]

^ in any case its fairly advantageous to write custom type adapters for all ur types

When in the environment of spigot

[chrome beacon]

Configurate ❤️

[ivory sleet]

with jackson as backend?

[chrome beacon]

yeah if you want json

[dawn flower]

i'm not sure if i left some parts of my old serialization, but yeah my old serialization used some reflection but then i switched to gson's serialization, i'll look in the code again rn

[drowsy helm]

Gson uses serialisation

reflection*

[dawn flower]

i didn't know that so i made my own but then 7smile guy told me gson has serialization

[ivory sleet]

well more so, it may take a reflective approach which if u do classloading can mess things up

[dawn flower]

oh

[ivory sleet]

and spigot precisely do load and unload classes more or less

[drowsy helm]

Past bedtime for me my bad lmao

[dawn flower]

i can prob make my serialization system not use reflection if that'd make it better

[ivory sleet]

pass type adapters to gson

[dawn flower]

alright

[ivory sleet]

This

[drowsy helm]

Yeah using a type adapter can avoid reflection completely

[dawn flower]

how tho?

[ivory sleet]

at the gsonbuilder stage

pass the type adapters

[drowsy helm]

It tells gson how to serialize the object without gson having to use reflection to find the variabls

[river oracle]

This is why we make adapters 💪

[dawn flower]

like this .registerTypeAdapter(Pet.class, new PetTypeAdapter())?

[river oracle]

Yes

[dawn flower]

👍

[river oracle]

If your dealing with interfaces and inheritance chains check out the hierarchical adapter too

[dawn flower]

the only thing im having trouble with is deserialization rn

        List<?> list = getList(path);
        List<T> deserializedList = new ArrayList<>();
        if (list == null)
            return null;
        for (Object o : list) {
            try {
                T deserialized = gson.fromJson((String) o, clazz);
                deserializedList.add(deserialized);
            } catch (JsonSyntaxException e) {
                return null;
            }
        }
        return deserializedList;
    }```

```    private void loadPets() {
        if (storage.contains("global.pets")) {
            for (Pet pet : storage.getDeserializedList("global.pets", Pet.class)) {
                getPetManager().addPet(pet);
            }
        }
    }```

it's saving properly tho

        at missing.plugins.executablepets.pets.PetManager.addPet(PetManager.java:30) ~[ExecutablePets-1.0.jar:?]
        at missing.plugins.executablepets.ExecutablePets.loadPets(ExecutablePets.java:95) ~[ExecutablePets-1.0.jar:?]
        at org.bukkit.craftbukkit.v1_20_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.20.4.jar:git-Paper-430]
        at org.bukkit.craftbukkit.v1_20_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:482) ~[paper-1.20.4.jar:git-Paper-430]```

[echo basalt]

prob a formatting issue

[prisma shadow]

Best way to learn development

[dawn flower]

soo

[native ruin]

maybe a JsonSyntaxException

or list being null

[dawn flower]

it isn't null

[native ruin]

and the json is correct?

[dawn flower]

    "pets": [
      "stuff here"
    ]
  }```

[native ruin]

https://jsonlint.com/

[dawn flower]

JSON is valid!

[native ruin]

the json you sent isn't valid for me unless you put it in a { }

[earnest forum]

?paste

[undone axle]

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

[dawn flower]

thats not the full json

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

[quaint mantle]

I used build tools to use NMS, but can't import anything related to it. why??

compileOnly "org.spigotmc:spigot:1.20.4-R0.1-SNAPSHOT"

[mighty gazelle]

How can I create a menu where there are two toggle items and when you call up the menu again the buttons are still the same as previously set?

[dawn flower]

menu library, make both menus have an instance of each other

[native ruin]

im not experieinced with it but in maven you need to change the artifactID from spigot-api to spigot
(take with grain of salt i could be pulling from my ass rn)

[dawn flower]

they did

[mighty gazelle]

But I will a toggle button

[native ruin]

holy shit i'm dying I need some sleep

[dawn flower]

you want a menu with 2 buttons and when you click a button it opens another menu with a button to get to the old menu back right?

[wet breach]

https://tenor.com/view/im-dead-and-im-sorry-gif-19480033

[dawn flower]

smh

literally making the adapter always return a valid pet is still returning null when i try to deserialize

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

how do i make the type adapter's deserialization work

                .setPrettyPrinting()
                .disableHtmlEscaping()
                .registerTypeAdapter(Pet.class, new PetTypeAdapter())
                .create();```

[dawn flower]

loading code here

[mighty gazelle]

But I will save it the properties

[inner mulch]

@echo basalt are entities still memory leaks? or did they fix it? (your good habit post)

[echo basalt]

they're still leaks

[inner mulch]

do they save the world in them?

[echo basalt]

they save the whole entity and the world

why are you concerned ab this just store uuids

[inner mulch]

so basically like locations back in the days

[echo basalt]

they store the nms world

[inner mulch]

im not concerned i need the player object tho, prob just gonna get it always with bukkit.getplayer

[echo basalt]

yes

[dawn flower]

public class MyCustomMenu extends Menu {
  private MyCustomMenu2 myCustomMenu2;
  private Player player;
  
  public MyCustomMenu(Player player, MyCustomMenu2) {
    this.myCustomMenu2 = myCustomMenu2;
    this.player = player;
  }
  
  public int getSize() {
    return 54;
  }

  public void handleClick(InventoryClickEvent e) {
    if (e.getRawSlot() == 0) {
          myCustomMenu2.open();
    }
  }

  public void setMenuItems() {
    inventory.setItem(0, new ItemStack(Material.BUTTON));
  }
}```

same with MyCustomMenu2 but change all 'MyCustomMenu2' with 'MyCustomMenu'

is that what you want?

[echo basalt]

that is one raw menu util

[inner mulch]

yo does someone know what kinda api i need to use to create and delete worlds on runtime?

on a server

[chrome beacon]

deleting worlds at runtime is a bit janky

[dawn flower]

multiverse core

[chrome beacon]

yeah you can use that

deleting the world (as in the files) might be a bit tricky

[dawn flower]

oh my god im so dumb

[chrome beacon]

iirc the file remains locked in use

Even though it's not loaded anymore

[inner mulch]

which intellij settings does this stuff to me?

[chrome beacon]

but you can give it a try

[dawn flower]

getList is returning a list of null

😭

why do i never debug properly

[chrome beacon]

Does what?

[inner mulch]

the marking 5 lines part

there is something wrong with this

[chrome beacon]

oh you hold middle click and drag

to select multiple lines like that

[inner mulch]

no i do not

no middle click

how to i turn this shit off 😢

[dawn flower]

click anywhere

[quiet ice]

How am I supposed to know

[inner mulch]

didnt help

[dawn flower]

close project and reopen

intellij bugs for me sometimes

[inner mulch]

its intellij maybe some1 knows

[quiet ice]

Few know IJ beyond "clear caches and restart"

[dawn flower]

no way it's eclipse

[inner mulch]

restart worked

[quiet ice]

Although to be honest I am not a real eclipse power-user either, I barely know how to make my own eclipse plugins

[chrome beacon]

Intellij does have some good documentation

[quiet ice]

Eclipses docs are like 15-20 years old by now

It really is something from a different era in style and everything

[mighty gazelle]

.

[dawn flower]

@mighty gazelle

[mighty gazelle]

No I will save that when a player click on a item then save the probetie to the player e.g. a button and than a grass block @dawn flower

[shadow night]

that's really cool isn't it

[river oracle]

Tbh it's because you don't really need to. It's so bloated with features but imo it's the best java IDE still.

I don't even use the IJ keybinds lol. Eclipse keybinds >>>>>

[shadow night]

it has decent tab completion, that's all I need

I hated vs code so much for this one single simple reason: it didn't tell me the options I have

[river oracle]

It does? Maybe you had a shit setup. The main issue I had with VSC and java is it was slower than intellij and it would crash if your classes got massive

[shadow night]

no idea tbh, as soon as I started coding in java I switched to IJ because of how much more convenient it was than vsc

[river oracle]

It was a pain but one day I sat down and spent like 5 hours converting all my VSC settings to intellij and holy fuck was It worth it

Only initial issue with intellij is the unused method stuff which is beyond brain dead to have enabled lol

Its like yeah no shit it's unused it's API or a library etc

[shadow night]

damn I feel that

[river oracle]

Dayun blood just go ghost ping

[inner mulch]

whats so suspicious about this call?

[novel canyon]

java.sql.SQLException: No value specified for parameter 1
How is this possible? Happened only on some servers with MySQL.
Here is the code:

this.saveQuery = "INSERT INTO " + this.databaseManager.getUsersTable() + " (uuid, data) VALUES (?, ?) ON DUPLICATE KEY UPDATE data = VALUES(data)";
Connection connection = null;
PreparedStatement preparedStatement = null;
try
{
    connection = this.databaseManager.getConnection();
    preparedStatement = connection.prepareStatement(this.saveQuery);
    preparedStatement.setString(1, this.uuid);
    String data = GsonUtils.getGson().toJson(this.dataSave);
    preparedStatement.setString(2, data);
    preparedStatement.executeUpdate();
}
catch (SQLException sqlException)
{
    sqlException.printStackTrace();
}
finally
{
    this.databaseManager.close(connection, preparedStatement, null);
}```
Anyone SQL expert?

[dawn flower]

getPlayers() prob returns Set<UUID> not Set<Player>

[chrome beacon]

I'm going to guess that uuid is null

[novel canyon]

Nope, if is null throw other error. And same jar work on most servers, not work only on 2 servers.

[smoky adder]

Hello how come p.spigot().sendMessage(ChatMessageType.ACTION_BAR, new TextComponent(message)); doesn't work and gives this error ? https://paste.md-5.net/wixumakupu.bash

[inner mulch]

you are using bungeecord api on a spigot server

bungeecord is just a proxy and has nothing to do with spigot, your spigot server doesnt support bungee methods and bungee does not support your spigot methods

[smoky adder]

therefore how i can send an actionbar??

[inner mulch]

what r u even doing?

(trying to achieve)?

[smoky adder]

i send the full code?

one moment

[inner mulch]

@smoky adder just use the spigot player.sendActionbar and not th e bungee one

[slender elbow]

yeah I don't think that method existed in 1.8

the joys of old asf crap

[smoky adder]

I tried various methods to send an action bar but I couldn't, I tried to import IChatBaseComponent but it won't let me do it https://paste.md-5.net/miveqibaqi.cpp i create a function

[echo basalt]

it is nms' Component

[slender elbow]

that new method will fail in the exact same way on an ancient server like 1.8

[smoky adder]

i use a spigot 1.8.8

[slender elbow]

you'll have to use nms or some odd library that handles it for you

[smoky adder]

yes

[slender elbow]

ancient

[jagged quail]

?1.8

[undone axle]

https://howoldisminecraft188.today/

[smoky adder]

yes i know ahah

[slender elbow]

you'd have to send the packet manually or use a library for it

[smoky adder]

how, can I do it?

I tried to do it with packages but it doesn't let me import IChatBaseComponent

[slender elbow]

https://www.google.com/search?q=actionbarapi

[smoky adder]

thanks

[minor lark]

I am getting this error when compiling
Unsupported class file major version 63

Here's my pom.xml file. Anyone has any idea on how to fix?

[chrome beacon]

?paste

[undone axle]

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

[minor lark]

https://pastebin.com/JH6S7TJj

ah i used pastbin

[chrome beacon]

Update the shade plugin

[minor lark]

to what version?

[chrome beacon]

The latest version

let me check

3.5.2

[minor lark]

Still giving me the error

[chrome beacon]

I'd go through and make sure the other plugins are up to date too

[minor lark]

if I remove this

<plugin>
    <groupId>net.md-5</groupId>
    <artifactId>specialsource-maven-plugin</artifactId>
    <version>1.2.2</version>
    <executions>
        <execution>
            <phase>package</phase>
            <goals>
                <goal>remap</goal>
            </goals>
            <id>remap-obf</id>
            <configuration>
                <srgIn>org.spigotmc:minecraft-server:1.20.4-R0.1-SNAPSHOT:txt:maps-mojang</srgIn>
                <reverse>true</reverse>
                <remappedDependencies>org.spigotmc:spigot:1.20.4-R0.1-SNAPSHOT:jar:remapped-mojang</remappedDependencies>
                <remappedArtifactAttached>true</remappedArtifactAttached>
                <remappedClassifierName>remapped-obf</remappedClassifierName>
            </configuration>
        </execution>
        <execution>
            <phase>package</phase>
            <goals>
                <goal>remap</goal>
            </goals>
            <id>remap-spigot</id>
            <configuration>
                <inputFile>${project.build.directory}/${project.artifactId}-${project.version}-remapped-obf.jar</inputFile>
                <srgIn>org.spigotmc:minecraft-server:1.20.4-R0.1-SNAPSHOT:csrg:maps-spigot</srgIn>
                <remappedDependencies>org.spigotmc:spigot:1.20.4-R0.1-SNAPSHOT:jar:remapped-obf</remappedDependencies>
            </configuration>
        </execution>
    </executions>
</plugin>

it compiles

[fallen lily]

I would encourage you to try gradle at some point

[chrome beacon]

Gradle 💀

[fallen lily]

Its more widely supported and there are some really neat plugins

[chrome beacon]

Use Java 17 then

[chrome beacon]

Its more widely supported
Not really

[minor lark]

one sec lemme download

[chrome beacon]

Also the shadow plugin is unoffical and looking for new maintainers

[fallen lily]

You can laugh all you want but after experimenting with maven and gradle for a fair amount of years, I can safely say Gradle is definitely more dominant in it’s functionality

[chrome beacon]

It's also very good at breaking

but yes it does have more functionallity

[minor lark]

love how people fight over which one is better

[chrome beacon]

which is both a pro and a con

[fallen lily]

With an added bonus of being able to quickly script more functionality into the build steps, rather than having to make a “Mojo”

[fallen lily]

Its very good at breaking if you don’t read the documentation properly

I agree the docs kinda suck

[chrome beacon]

I mean breaking in updates

They break stuff all the time

[fallen lily]

But you will quickly find disclaimers and best practices which address the issues

[fallen lily]

Thats expected if you’re using incubating features

Or one of your plugins thereof

Its a race to update but definitely worth it

In my opinion and experience anyways

[slender elbow]

thankfully they follow semver

that's what major versions are for

[minor lark]

Nope still giving the error

Changed in pom.xml and project settings

[chrome beacon]

Same error?

[fallen lily]

There should be some sort of property where you specify the source and target versions

[minor lark]

Unsupported class file major version 63

[chrome beacon]

Wait why are you compiling with Java 19

[fallen lily]

<maven.compiler.target>17</maven.compiler.target>
<maven.compiler.source>17</maven.compiler.source>
</properties>

I believe

[chrome beacon]

That won't change the jdk automatically

You don't want to be using JDK19

[minor lark]

Wym I don't recall installing it

[fallen lily]

The jdk wont matter unless hes using newer features

[chrome beacon]

not for the error

[lost matrix]

Whats your jdk in the ide settings and how did you set it in your pom.xml?

[chrome beacon]

I was just talking about the JDK

you don't want to be using it

[slender elbow]

that's what the target flag is for

although should be using the release flag instead

[minor lark]

https://pastebin.com/nU8uPzaC pom.xml

[lost matrix]

Im suspecting that he is pulling a dependency with class file versions of 63

[minor lark]

I have both 21 and 17 installed but none of them works

It started doing this when I added the plugin part for the mojang remapped

[minor lark]

This one

[fallen lily]

The error is the JRE

Not the JDK

the runtime hes using is older than the compiler’s target version

The jdk has no effect as thats just to link the symbols together so you can actually write java code using a standard library

[chrome beacon]

Still doesn't change what I said?

You don't want to be using it since it's out of support

Stay on an lts version

[chrome beacon]

This could be the case

[minor lark]

yep

found it

it was jda

by removing jda it compiles

Thing is I want to use JDA

[fallen lily]

You said not for the error here

And its unrelated to the error

Lol

It think I know what im saying

[fallen lily]

This could also be the issue

[minor lark]

It was

I removed jda

And it compiles

[green prism]

Thank you for your reply. What should I do next?

I can't set a level using slf4j's logger

[minor lark]

But the thing is my project uses JDA, so what do I do now?

[chrome beacon]

All I was trying to say is that you shouldn't be using JDK/JRE 19

[fallen lily]

mm

[chrome beacon]

not sure how this ended up in an argument

[fallen lily]

Next time try the -verbose:class flag

To get a better idea on which specific class is the issue

[lost matrix]

Dont tell me what to do. You are just an olive. Ill write my plugins with jdk 19 from now on.

[minor lark]

LOL

[chrome beacon]

https://tenor.com/view/404soob-pepe-pp-gif-21552696

[fallen lily]

https://tenor.com/view/pout-christian-bale-american-psycho-kissy-face-nod-gif-4860124

[minor lark]

Wait I'm using java 19?

[lost matrix]

Nope

[chrome beacon]

^^

Something is trying to

[lost matrix]

If you had, there wouldnt be this error

[minor lark]

and i guess that was the dependency i was using which is jda... is there a way of making jda work? cause my plugin also hosts a discord bot

[chrome beacon]

Make sure you depend on the latest version of JDA

I don't think they are building with Java 19

[minor lark]

Says 5.0.0-beta.20 on github

Which is the one I'm using

[lost matrix]

Hm JDA shouldnt require java 19 tbh

[green prism]

I'm sorry for the repetition, 7smile7. Unfortunately, I'm quite pressed for time. Could you please help me with changing the logging level to WARNING in MongoDB Driver Sync 5.0.0? Do you have any idea?

[lost matrix]

Myeah, try setting the log level via a system property.

[minor lark]

Then why doesn't it compile if I use JDA?

<dependency>
    <groupId>net.dv8tion</groupId>
    <artifactId>JDA</artifactId>
    <version>5.0.0-beta.20</version>
    <exclusions>
        <exclusion>
            <groupId>club.minnced</groupId>
            <artifactId>opus-java</artifactId>
        </exclusion>
    </exclusions>
</dependency>

if I add this it gives that error
Unsupported class file major version 63

[smoky adder]

Could you send me a guide on how to implement api well? I can't import bountifulapi

[fallen lily]

Could be a dependency within jda

Check the dependency tree

[chrome beacon]

That's true

JDA has a TON of dependencies

which is why it's so big

[chrome beacon]

Is that your api?

[minor lark]

https://ibb.co/F0cXb0T

[green prism]

just tried
System.setProperty("system.property.com.mongodb.level", "SEVERE");
It didn't work

[smoky adder]

it's not mine

[lost matrix]

And using Logger.getLogger("org.mongodb.driver").setLevel(Level.WARNING); doesnt work anymore?

[chrome beacon]

so you want to depend on an api

and not implement one

[green prism]

Unfortunately, no

[stark moss]

Hello! I would like to make a bossbar that can countdown. I want it to countdown from 6 minutes each time and the countdown will start with /startclock, players can pause it with pause, and can resume it with /resumeclock. Another command that I would like to add would be "/final" which would set the text above the bossbar to "Final" and set the bossbar value to 0.
I would like the time to also be displayed like this: minutes: 9:30 :seconds
I am fairly new to Java and I don't know much about bossbars.

All help is appreciated. Thanks!

[worthy star]

how do i get the attacker, this doesn't seem to be working, and the ignoreCancelled = true means to ignore the event if its cancelled, right? ```java
@EventHandler(ignoreCancelled = true)
public void onDamage(EntityDamageEvent e) {
if (e.getEntity() instanceof Player) {
Player player = (Player) e.getEntity();

        Common.tell(player, "&3You damaged this guy !!!");
    }
}```

[lost matrix]

#help-development message

Implement, then come back

[lost matrix]

PS: If you are new to Java then you need to start with something simpler.
And its very important that you learn the basics first.

[lost matrix]

1. Use the EntityDamageByEntityEvent
2. Yes

[worthy star]

oh ty,

is the getEntity() there for victim?

[stark moss]

alr thats done

[lost matrix]

Yes

[worthy star]

alr thx

[lost matrix]

Show me your code

[stark moss]

currently learning java

[lost matrix]

Because its not

[stark moss]

package me.casualspeedruner.americanfootballpaper.otherutil;

public class bossbar {
    public void setCooldown(String key, long duration) {

    }

    public long getRemainingTime(String key) {

    }

    public void removeCooldown(String key) {

    }

    public void pauseCooldown(String key) {

    }

    public void resumeCooldown(String key) {

    }
}

[lost matrix]

Implement this class. If you cant: Start with something simpler

[stark moss]

not much help but thanks ig

[worthy star]

he means add some code to it

i think

[stark moss]

ik

[lost matrix]

Its literally the best help you can get. You need to learn the basics or else you will be asking others to write the code for you
in the next 3 years without learning much.

[hollow vessel]

Hi! Is there maybe a event that i called when someone take items to their inventory? I mean when someone take a sword from chest to their inventory and then event calls

[stark moss]

ik i just need some help with this rn. im still taking a java course

[tall dragon]

InventoryClickEvent

[worthy star]

Basically, when you go to school first time, they teach you then let you solve, not start solving for you

[lost matrix]

Feel free to ask about specific problems or general approaches 👍
We will help you

[hollow vessel]

but this also calls when i click item in chest

[tall dragon]

yea

but you can make checks

[hollow vessel]

okey i'll try

you mean compare inventories?

[worthy star]

yes

[hollow vessel]

ahh i see

thx

[worthy star]

check if name inventory or metadata of player is that gui or set

[tall dragon]

you can figure out if the item goes from the player inv into the chest or the otherway around with the info provided in that inv

[hollow vessel]

how?

[worthy yarrow]

public interface Event {

    void matchSpawnLocation(Location location);
    void startMinigame(ChatMiniGames chatMiniGames);

    void stopMinigame();

    List<UUID> getCurrentPlayers();

    void join(UUID player);

    void leave(UUID player);

    boolean isFull();

    boolean isActive();

    boolean isMinimumPlayers();

}```

Is there anything else I should add? (minigames interface btw)

[tall dragon]

https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/event/inventory/InventoryClickEvent.html#getClickedInventory() this should return the chest inventory if they clicked in the chest and the player ivnentory if they clicked in their own inv

[worthy star]

if i want to like save a true value to player when he damages someone, should i use a pdc or metadata or smth else

[hollow vessel]

and then chceck inventory type?

[lost matrix]

Often minigames need to have custom listeners and might need to be ticked.
But this would require quite a complicated setup.

[worthy yarrow]

well

There's a reason I'm passing my main class to startMinigame

@Override
    public void startMinigame(ChatMiniGames chatMiniGames) {
        if (!(!isActive() && isMinimumPlayers())) return;

        isEventActive = true;
        pairPlayersForMatches();
            for (MatchPlayers match : matches) {
                notifyPlayersAboutMatch(match);

                new BukkitRunnable() {
                    @Override
                    public void run() {
                        isMatchActive = true;

                        for (UUID player : players){
                            Bukkit.getPlayer(player).teleport(matchSpawnLocation);
                        }

                        UUID player1 = match.getPlayer1UUID();
                        UUID player2 = match.getPlayer2UUID();

                        if (Math.random() < 0.5) {
                            handleMatchResult(player1, player2); // Player 1 wins
                        } else {
                            handleMatchResult(player2, player1); // Player 2 wins
                        }
                    }
                }.runTaskTimer(chatMiniGames.getInstance(), 0, 1);
            }
    }```

This was sorta the system I was gonna use for the minigames

[lost matrix]

Hmm, but this means you need to manually stop all tasks and unregister listeners in your stopMinigame() method...

[worthy yarrow]

It's only like 10% written rn...

[worthy yarrow]

Hmm that does sound like an issue

[lost matrix]

Usually you wouldnt want this as an implementation detail because every minigame will have to register and unregister listeners and start/stop tasks.
And if every minigame has it, then there should be an abstracter way of handling this instead of your implementation.

[dire blaze]

does anyone know how to show the number of online VIP players in your tab list?

[lost matrix]

What is a VIP player to you?

[dire blaze]

it's a rank

[lost matrix]

And you want to give players a prefix programmatically based on their "rank"?

[dire blaze]

i just want to show how many vip players are online in the tab box

https://ibb.co/jW4V2CF

[worthy yarrow]

public enum MinigameType {
    PARKOUR("Parkour minigame", Difficulty.PEACEFUL, 16, 2),

    SPLEEF("Spleef minigame", Difficulty.PEACEFUL, 16, 2),

    SUMO("Sumo minigame", Difficulty.PEACEFUL, 16, 2),

    TNT_RUN("TNT Run minigame", Difficulty.PEACEFUL, 16, 2);

    private final String displayName;
    private final Difficulty difficulty;
    private int maxPlayers;
    private int minimumPlayers;

    MinigameType(String displayName, Difficulty difficulty, int maxPlayers, int minimumPlayers) {
        this.displayName = displayName;
        this.difficulty = difficulty;
        this.maxPlayers = maxPlayers;
        this.minimumPlayers = minimumPlayers;
    }

    public int getMinimumPlayers(){
        return this.minimumPlayers;
    }

    public int getMaxPlayers(){
        return this.maxPlayers;
    }

    public String getDisplayName() {
        return this.displayName;
    }

    public Difficulty getDifficulty() {
        return this.difficulty;
    }
    public void setMinPlayers(int minimumPlayers){
        if (!(minimumPlayers <= maxPlayers)) return;
        this.minimumPlayers = minimumPlayers;
    }

    public void setMaxPlayers(int maxPlayers){
        this.maxPlayers = maxPlayers;
    }
}```
Well I guess that's also the reason I have this enum, it's main purpose is to a: make the gamemodes a bit configurable and b: support system for my implantation ie: directing the listener to whatever minigame needs to be listened to

[lost matrix]

You can use the header or footer for this.
Player has a method for setting the header and footer.

[sand spire]

Well what is the more specific issue you're facing? Do you know how to add something to the tab, do you know how to get the amount of online vip players

[lost matrix]

Thats not a tab box this is a scoreboard.
Are you programming a plugin?

[dire blaze]

ahh yeah i didn't realize it's called scoreboard

yeah im editing the config.yml file

for TAB

scoreboard-1.20.3+:
title: <#f678ff>Ricecakes Minecraft</#c778ff>
display-condition: '%player-version-id%>=765'
lines:
- '&7%date%'
- '%animation:MyAnimation1%'
- '&6Online:'
- '* &eOnline&7:||%online%'
- '* &eStaff&7:||%staffonline%'
- '* &evip&7:||%vip%'
- '&6Personal stuff:'
- '* &bPing&7:||%ping%&8ms'
- '* &bWorld&7:||%world%'
- '* &bMoney&7:||$%vault_eco_balance_fixed%'

[lost matrix]

You have two options:

1. Add methods to your interface:

List<Listener> getMinigameListeners();
BukkitRunnable getMinigameTickTask();

Just make sure that the List is immutable and always has the same instances in it.

Then your manager can simply handle the task/listener registrations.

[lost matrix]

#help-server

[worthy yarrow]

What's option 2?

[hollow vessel]

thanks it is working 😄

[lost matrix]

Using a custom event bus or delegating the events to your minigames.
Im a bit hesitant because this might be overkill.

[worthy yarrow]

Ehm yeah, currently the plan was only 4 games, sumo, spleef, tntrun, and parkour

I'll go with opt 1. then, considering my enum setup, would it be alright to use it in determining which game is currently active?

[smoky adder]

i want to implement an api on my project

[worthy yarrow]

Er well not currently active I suppose, but whichever event needs to be referenced

[sand spire]

wait am I supposed to unregister listeners I don't use?

[shadow night]

Maybe you should explain more, like, explain what you are doing, what api you wanna implement

[worthy yarrow]

I think they mean custom

in case that wasn't already clear

Sorry it's early

[lost matrix]

Ideally you would never unregister or register new listeners on runtime

[worthy yarrow]

Also how concered should I be about running these minigames on different threads?

[sand spire]

oh alright

[lost matrix]

Dont bother. There is very littel you can do async in minecraft.

[worthy yarrow]

Ok sounds good

[umbral ridge]

that sucks

[ivory sleet]

compareTo

[chrome beacon]

No operator overloading in Java

[umbral ridge]

So

if it's less than zero

[ivory sleet]

if u want to simplifiy

u can use BigDecimal.ZERO.compareTo(x)

[quaint mantle]

That game that got #1 on gamejam:

[ivory sleet]

might add more readability

[umbral ridge]

I wish everyone would use BigDecimal instead of double

idk why vault api is all doubles

it sucks

I have to convert everything before I do anything

[lost matrix]

They are several hundred times slower than doubles when it comes to arithmetics

[worthy star]

what are the comments with @return and @param for, in codes

[shadow night]

It's javadoc

[umbral ridge]

It's to describe a function

[worthy star]

is it required?

[worthy yarrow]

Readability

[umbral ridge]

users preference

[ivory sleet]

well because long time ago ppl didnt know java very well

and precision wasnt a goal directly I reckon

[worthy star]

is the @return for return value/type of code?

what abt @param

[ivory sleet]

as long as it is eventually precise

[ivory sleet]

additional description of what a function returns and takes

[shadow night]

How does a bigdecimal work

[ivory sleet]

like maybe it returns an immutable copy of something

[lost matrix]

param is do describe params...

[worthy yarrow]

conclube would you like to give my start to sumo mini game a review? I'm trying to gather everyone's notes before I make changes

[ivory sleet]

sure :)

[worthy yarrow]

?paste

[undone axle]

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

[worthy star]

parameters?

[worthy yarrow]

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

[ivory sleet]

what dou want me to review in particular

[worthy yarrow]

That's basically the structure for the whole system, it's not just sumo... gonna be 4 minigames total as well as a chat prompt for entries / joining events

[worthy yarrow]

Structure and implementation for the most part

But also just any general things that may pop up

[ivory sleet]

there is one anti pattern I think its worth revising in particular

and that is ur mutability in the enum

[chrome beacon]

game?

That looks like some bad web server code

[ivory sleet]

other than that, you might wna consider

• have a separate function initialize() that populates the minigameEvents, to decouple it
• maybe check out the state design pattern
• else I think its good :)

potentially recordify MatchPlayers

but eh

its fine

[lost matrix]

I honestly dislike using enums now. I very rarely use them anymore. This is an alternative which lets me be more dynamic

[worthy star]

if i want to save a true value to player whats best way to do it, pdc or metadata

[lost matrix]

metadata is cringe. Always use pdc.

[worthy star]

ight thanks

[ivory sleet]

i think an enum would be fine there

but like its more when u expose an enum to the api consumer, or use it as a dependency magnet

[lost matrix]

What if i wanted to create dynamic, temporary attributes on runtime?

[ivory sleet]

well then enum isn't the approach from the beginning

[twin venture]

how does this work? looks interesting

[chrome beacon]

https://media.discordapp.net/attachments/766703671504797696/1198114808902451220/ezgif.com-video-to-gif_2.gif

[lost matrix]

I think this is the only enum i have currently

And thats just because i somehow need to serialize an operation

[ivory sleet]

i think it was talked about

but a good approach in general is to abstract over the enum w an interface

so that if u later on wna modify its purpose, its possible

altho u might wna seal the interface and have some restricted class consumers can derive from

[lost matrix]

Let me just seal DoubleBinaryOperator real quick with some ASM

Should be fine

[umbral ridge]

How do you make sure 0 at the end, (eg.: 1,40) is kept and not removed

[ivory sleet]

i mean thats not necessary

u're just implementing functionality there

[lost matrix]

ik i was joking

[ivory sleet]

@worthy yarrow one more thing, whenever u deal with a lot of state, u need to start caring about the notion of ownership

[umbral ridge]

I want to create like a function that returns a String and accepts a BigDecimal and if it's less than 1 it'll return cents in format 00, otherwise if it's more or equal to 1 it'll return 0.00 format. for cents, if it's less than 10, it should return cents, without any zeros, unless if its actually 0

[chrome beacon]

Why not always have the same format

[lost matrix]

  public static void main(String[] args) {
    String msg = "Value: %.2f";
    float value = 1.4F;
    System.out.println(String.format(msg, value));
  }

Value: 1,40

Process finished with exit code 0

[lost matrix]

Wait what?

[umbral ridge]

I think I need to do all of it manually

formatting it wont help me I think

[ivory sleet]

u have NumberFormat (DecimalFormat, ChoiceFormat and CompactNumberFormat) to work with

and well, Currency also

if u need to get the "currency" symbol or sth

[worthy star]

whats better

[hollow vessel]

hi, how can I check with InventoryClickEvent if player took item from his inventory but not move to other or drop (left click this item). This event works the same when player took item out and put item in from chest, I must have two conditionals one from taking out and one from putting inside

[umbral ridge]

I am kind of handling the currency symbol myself by checking if double is less than zero then it's in cents, if value is equal or more than 1 then it's euros

[ivory sleet]

uh sure

[umbral ridge]

I'll post the code in a few minutes.. xd

[worthy yarrow]

Will make note of this

[worthy star]

the getter was a suggestion from intellij

[lost matrix]

You are aware that the biggest number you can store in a double with only 2 decimal points taken from the mantissa is about 10 to the power of 300 or ten centillion.
Thats...
100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000....
and more.

[chrome beacon]

second one

[worthy star]

ight

[chrome beacon]

The namespacedkey is an immutable constant

[umbral ridge]

I'm not allowing that numbers

[chrome beacon]

so no need for a getter

[umbral ridge]

Plus I do BigDecimal setScale

to 2

[lost matrix]

Im just questioning your BigDecimal choice

Its used if you need incredibly high precisions

[umbral ridge]

Yeah I need

for commands /pay mostly

Can't have number overflow like 0.799999

[hollow vessel]

???

[ivory sleet]

i agree w smile partly here

like do u rly need bigdecimal

lol

[umbral ridge]

Yeah

for setScale

and rounding

[worthy star]

is it possible to check if the argument for a command is a boolean or not?

or i have to do it manually

[lost matrix]

If you have exponential scaling in your game and people will eventually only see 43T for their trillions, but you really need those
sweet 50 decimal points of precision, even with very high numbers, then maybe you need BigDecimal.
The main problem with double is that the FP precision is reduced a lot for very big numbers

[lost matrix]

You should be alble to just check with the operations. Eg if the bottom inv was clicked, and its a shift click, then the player tries to push it to the top inv.
And so on.

[lost matrix]

Not with the spigot command system. All you get are Strings

[umbral ridge]

No no, it's not even possible to get as much money as this in my server. I've limited it to 50k. Money is quite rare to get and you have to work hard even for a few cents

But I'm using BigDecimal to avoid number overflow because when I had double only, I would always get weird numbers

[ivory sleet]

NaN

[worthy star]

alr

[lost matrix]

Lets see how much precision you got here.
So 50k would mean 5 * 10 ^ 5
One bit goes away for +/-
10 or 11 bits go into the mantissa
You got the impact leading bit and 51 significants left

So you will have at least 12 decimal points for precision. (And thats an generous estimate).

So this would still be fine:

43000.000000000001

That is... a lot of precision imo

But getting some experience with BigDecimals is also fine

[umbral ridge]

Yes

[umbral ridge]

Had to study about mantissa and all of that crap in university I forgot most of it XD

[worthy star]

are on/off considered as booleans in java?

or only true/false

[umbral ridge]

I have to say though, I had java but we never went through the BigDecimal class

which kind of sucks because it's great

[river oracle]

no if you type out "on" or "off" into a string in java it will not be a boolean

[worthy star]

Boolean.valueOf("on"/"off")?

[umbral ridge]

😿

[worthy star]

or should i just use a method to get true and false from the string

[umbral ridge]

you can use valueOf but it'll accept "true" or "false" as an input string

Not sure if it'll work for "1" and "0" I'd have to test but yeah

[worthy star]

    private Boolean getBoolean(String type) {
        if (type.equalsIgnoreCase("on")) {
            return true;
        }
        return false;
    }``` i made this

is it efficient

[rough ibex]

Its fine

Simple and stupid

[worthy star]

stupid

[umbral ridge]

in that function I can put anything I want, anything else than "on" and it'll be false

[worthy star]

return type.equalsIgnoreCase("on") :)

[worthy star]

people can only use on/off

i made it like that

[umbral ridge]

you can use off, off123123, offspigotmc, etc.. and it'll be false

[worthy star]

its a command

and people can only use off and On

[umbral ridge]

can they?

[worthy star]

i don't use contains i use equalsignorecase

[minor lark]

I'm having some problems with this code. It gives me two errors.

ProtocolManager manager = ProtocolLibrary.getProtocolManager();

CraftPlayer cPlayer = (CraftPlayer) player;
ServerPlayer sPlayer = cPlayer.getHandle();

MinecraftServer server = sPlayer.getServer();
ServerLevel level = sPlayer.serverLevel();
GameProfile profile = new GameProfile(UUID.randomUUID(), "Herobrine");

ClientInformation info = ClientInformation.createDefault();

ServerPlayer npc = new ServerPlayer(server, level, profile, info);

PacketContainer playerInfoUpdate = new PacketContainer(PacketType.Play.Server.PLAYER_INFO, npc);

playerInfoUpdate.getPlayerInfoActions().write(0, EnumSet.of(EnumWrappers.PlayerInfoAction.ADD_PLAYER));
playerInfoUpdate.getPlayerInfoDataLists().write(1, Collections.singletonList(new PlayerInfoData(
    new WrappedGameProfile(profile.getId(), "Herobrine"),
    0,
    EnumWrappers.NativeGameMode.CREATIVE,
    WrappedChatComponent.fromText("Herobrine")
)));

manager.sendServerPacket(player, playerInfoUpdate);

Caused by: java.lang.IllegalStateException: Unable to set value of field private final java.util.EnumSet net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket.a

Caused by: java.lang.ClassCastException: Cannot cast net.minecraft.server.level.EntityPlayer to net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket

Any idea on how I could fix it? Thanks!

[chrome beacon]

I recommend just using Citizens for your NPCs

[minor lark]

Citizens doesn't support offline servers tho, which I use cause some of my friends do not have an account :/

Citizens was so easy to use

[chrome beacon]

It works fine

[minor lark]

Couldn't set the skin tho

[chrome beacon]

Well offline mode is for when you're offline

so when you're offline it can't fetch skins

because it's not connecting to the internet

also Minecraft really isn't that expensive

You should get your friends to buy the game

[minor lark]

https://tenor.com/view/mission-impossible-gif-latest-title-text-gif-9595968082728972207

[minor lark]

Is it possible to include the skin file in the plugin?

And apply the skin with the file

[chrome beacon]

probably

not worth the effort though

[worthy star]

is there some api that has progress bars or a public method
like [|||||||||||]

with green and gray

[chrome beacon]

It's not hard to make that

[lost matrix]

You should implement that. Its a good exercise.

[worthy star]

i have a code for that but not java, i'll try to convert into java

[chrome beacon]

Don't look at other code

try to figure out the logic yourself

It's a good exercise just like smile said

[minor lark]

ok ill just yell at them until they buy the game lol

[worthy star]

okay

[chrome beacon]

Yeah the time you spend writing that plugin is worth more then them just buying the game

(or you buying them the game for that matter)

It is

sh

let them figure it out

[lost matrix]

  public static String progressBar(double progress, int length, String filledPrefix, String emptyPrefix, String element) {

  }

I got an implementation for this. Lets see your suggestions and ill follow up.

[quaint mantle]

What do you guys prefer

The verb naming or record style

[worthy star]

so i get the percentage of that, (length * (progress/[max one, may add])

[lost matrix]

progress should be between 0.0 and 1.0

[worthy star]

why 0.0 and 1.0

can't i have custom one?

like 0 and 55

[lost matrix]

You would always map that to a normalized range

You can overload it like this:

  public static String progressBar(double current, double max, int length, String filledPrefix, String emptyPrefix, String element) {
    return progressBar(current / max, length, filledPrefix, emptyPrefix, element);
  }
  
  public static String progressBar(double progress, int length, String filledPrefix, String emptyPrefix, String element) {
    ...
  }

To allow a mapping from 0 to X
But you always normalize it 🙂

[worthy star]

i mean,

not really sure about that 0.0 and 1.0

but

for the rest

[lost matrix]

Lets see it

[zinc moat]

What are some good are some good intelliJ plugins for minecraft development?

[quaint mantle]

Light theme

[quaint mantle]

Github copilot if you have it

I think the suggestions are pretty nice sometimes (from what I've seen)

[lost matrix]

Just the minecraft dev plugin.

[worthy star]

can i like vb for (int i = 1; i < (length + 1); { if (i > [precent thing]) { myStringList.add(i, "prefix|"); } else { myStringList.add(i, "prefix|"); } return myStringList.toString(); :)

[lost matrix]

https://tenor.com/view/blinding-light-jerry-smith-rick-and-morty-too-bright-adult-swim-gif-9951096662630262377

[quaint mantle]

Lol

The theme section of intellij is like a candy shop

[lost matrix]

Hmm. Use a StringBuilder.

[worthy star]

but is that good xD

[lost matrix]

[worthy star]

ok nice

https://tenor.com/view/orange-terio-awkward-orange-black-kid-awkward-black-kid-orange-terio-orange-terio-gif-20374609

myBuilder.append("things")``` ?

[lost matrix]

This utilizes the internal optimization of String#repeat

  public static String progressBar(double current, double max, int length, String filledPrefix, String emptyPrefix, String element) {
    Preconditions.checkArgument(current <= max, "Current must be less or equal to max.");
    return progressBar(current / max, length, filledPrefix, emptyPrefix, element);
  }

  public static String progressBar(double progress, int length, String filledPrefix, String emptyPrefix, String element) {
    Preconditions.checkArgument(progress >= 0 && progress <= 1, "Progress must be between [0 ; 1]");
    int filled = (int) (progress * length);
    int empty = length - filled;
    return filledPrefix + element.repeat(filled) + emptyPrefix + element.repeat(empty);
  }

[lost matrix]

Yes like that

[worthy star]

Hmm

is the upper method for using max ?

so 0 and x

[lost matrix]

Imagine having a max of 10.0 and a current value of 3.74.
The progress bar should have 20 lines in it:

    double max = 10.0;
    double current = 3.74;
    int length = 20;
    String filledPrefix = "§a";
    String emptyPrefix = "§7";
    String element = "█";
    String bar = progressBar(current, max, length, filledPrefix, emptyPrefix, element);

[worthy star]

Hmm

[worthy star]

is this useful tho? 💀

[lost matrix]

If you dont use a List but a StringBuilder, then its very usable.
Use a StringBuilder and send your attempt.

[worthy star]

ok

    public static String progressBar(double current, double max, int length, String filledPrefix, String emptyPrefix, String element) {
        Preconditions.checkArgument(current <= max, "Current must be less or equal to max.");
        return progressBar(current / max, length, filledPrefix, emptyPrefix, element);
    }

    public static String progressBar(double progress, int length, String filledPrefix, String emptyPrefix, String element) {
        StringBuilder builder = new StringBuilder();

        for (int i = 0; i < (length + 1); i++) {
            if (i > progress) {
                builder.append(filledPrefix).append(element);
            } else {
                builder.append(emptyPrefix).append(element);
            }
        }
        return builder.toString();
    }```

[lost matrix]

Btw you can save a ton of if checks, if you simply calculate the amount of filled and the amount of empty elements before looping.
You simply create two loops which add your lines.

[worthy star]

i used .append(x + y) but it suggested to use another append

[ivory sleet]

u got string joiner also

[worthy star]

i wanted to do that in first place but didn't know how :)

[lost matrix]

Your String will look like this:

§a█§a█§a█§a█§a█§7█§7█§7█§7█§7█

It will display right, but you can actually reduce the size and compute time quite a bit by creating

§a█████§7█████

[inner mulch]

Guys is it even possible to update stuff in minecraft faster than a tick happens?

Or only every 50ms

[worthy star]

how?

[lost matrix]

1. Calculate number of filled bars
2. Calculate number of empty bars
3. Add filledPrefix
4. For loop: Add # filled bars
5. Add emptyPrefix
6. For loop: Add # empty bars

[worthy star]

ok

so 2 for loops, 1 for filled and another for empty

i tested your example rq, but it shows §7█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█§a█

and

        double max = 10.0;
        double current = 10.0;
        int length = 20;
        String filledPrefix = "§a";
        String emptyPrefix = "§7";
        String element = "█";
        String bar = progressBar(current, max, length, filledPrefix, emptyPrefix, element);
``` i put this

max = current so all should be green

why first is always gray

[lost matrix]

Show your code

[worthy star]

    public static String progressBar(double current, double max, int length, String filledPrefix, String emptyPrefix, String element) {
        //Preconditions.checkArgument(current <= max, "Current must be less or equal to max.");
        return progressBar(current / max, length, filledPrefix, emptyPrefix, element);
    }

    public static String progressBar(double progress, int length, String filledPrefix, String emptyPrefix, String element) {
        StringBuilder builder = new StringBuilder();

        for (int i = 1; i < (length + 1); i++) {
            if (i > progress) {
                builder.append(filledPrefix).append(element);
            } else {
                builder.append(emptyPrefix).append(element);
            }
        }
        return builder.toString();
    }```

[lost matrix]

Follow these steps pls:

1. Calculate number of filled bars
2. Calculate number of empty bars
3. Add filledPrefix
4. For loop: Add # filled bars
5. Add emptyPrefix
6. For loop: Add # empty bars

[worthy star]

no i don't mean for that

i mean for first one being always gray

but ok

[lost matrix]

Its a problem with your for loop and if statements

[worthy star]

i thought of adding to a var if its filled, and add to another if its not and then for loop that times and add

[lost matrix]

I mean... sure you can do that as well.
But before you do anything: Make sure that progress is a normalized value of 0.0 -> 1.0

[worthy star]

but why is that very required

i mean

i used current and max parameters and they work

if its like 5 current it does half of bar

[lost matrix]

If you dont normalize, then you will have quite confusing calculations that are simply not needed.
Always normalize.

[ivory sleet]

^

when its math, always make it work first

then optimize

[worthy star]

sorry im braindead today, and the i don't get how to normalize it, to make it 0.0 -> 1.0

[twin venture]

if i want to have a good structure for mysql user managing :

• create a User entity class with some data ..
• create UserManager with a concurrentMap [caching]
• create DataUserManager [for mysql insert , update , load]

am i right?

[ivory sleet]

idk

what relationship does user manager and data user manager have?

[twin venture]

UserManager will load the user from the database from DataUserManger

no?\

[lost matrix]

Just assume that your method will always get a value from 0.0 to 1.0 passed.
You dont need to normalize it yourself. Just assume that you will get a normalized value.

[umbral ridge]

So that's kind of tricky though, or I'm just stupid. Here's what I want:
Input values are positive doubles.

• if double is less than 1, it should contain only the 2nd part of the string, eg.: 0.50
• if double is less than 0.10, eg.: 0.05, it shouldn't contain 05, but 5.
• if double value is something like 1.50, it shouldn't be 1.5, but should be 1.50, with a zero at the end.
• if double value is exactly the same as int, eg.: 1, 2, 3, 4, etc.., it shouldn't contain the 2nd part of the string, eg.: 1.00, zeros should be removed.
• if double is 0, it shouldn't be something like 0.00, it should be just 0.

I think that's pretty much it, do I have to really manually code this if I want to make it like I described?

[ivory sleet]

but isnt the UserManager responsible for simply caching users?

now u're at the verge of compromising on single responsibility

[twin venture]

then how would it load the data from the mysql?

[worthy star]

how should i assume that 💀

[ivory sleet]

I mean sth like

CompletableFuture<Void> saveUser(User user);

should be fine?

[lost matrix]

https://www.spigotmc.org/threads/working-with-data.562421/

[lost matrix]

[worthy star]

sorry

im annoying af 💀

[ivory sleet]

anyway killer, personally I am extremely against coupling database logic with caching and lookup logic

[twin venture]

thanks

[ivory sleet]

thats a big no no for me

[lost matrix]

You say in your head
"ok. so the value param will be a value between 0.0 and 1.0"
"This is now my assumption. Lets implement the method with this assumption in mind"

Thats how you assume something.

[twin venture]

then how are you doing it?

is there a better more advanced system i can make?

[ivory sleet]

there is but that ofc adds complexity onto it

which can be a disadvantage

[twin venture]

as long as it will be a good structured and fast in performance

[worthy star]

i know that but my problem is implementing it, i'll think about it later because its 9:25 pm and im quite quite braindead

[twin venture]

hit me with your idea xD

[ivory sleet]

well Ill share u some code I wrote the other day as soon as I get home

[twin venture]

Alr thanks

[lost matrix]

Create a so called DAO -> DataAccessObject
It stores nothing.
All it has is:

public Value getData(Key)
public void saveData(Key, Value)
... and some utils you want

This DAO is then used for your DataManager.
The DataManager has a Map<> and simply lets you
ask the DAO for a value and put it into your map and vice versa.

Like described in the guide

[twin venture]

i can do save , load?

or if the getData is the load?

[lost matrix]

Hm? Add more words to those sentences pls. Im not sure what you mean.

[twin venture]

like for my situation , i have user class with kills ,deaths and some lobby settings like set day or night for that specfic user [boolean] , and so on ..
i can have :

• loadUser method that return User
• saveUser method [void]

correct?

[lost matrix]

Sure

[twin venture]

so something like this?

[lost matrix]

Functionality wise, yes. The naming is just scuffed.

Make the map final

[twin venture]

yeah sorry , so i can use CompletableFuture ?

with the loading part?

correct?

and i can do this insted?

[lost matrix]

I mean... myeah. This is fine i guess.

[twin venture]

how i can make it better? performance wise , and code sturcutre?

[fallen lily]

Not much you can do performance wise

You can early return from your map if its already populated

Thats one thing

[lost matrix]

Exceptions for your CF arent handled. I would not force embed an async call like that.
loadProfile should be sync callable. Same goes for loadUser.
Add a loadUserAsync method which uses the loadUser method async.

[twin venture]

like this?

[lost matrix]

Dont use CompletableFuture in loadProfile

[inner mulch]

Guys is it even possible to update stuff in minecraft faster than a tick happens?
Or only every 50ms

[twin venture]

what i can use insted?

iam not using it anymore :

[fallen lily]

50ms is 1 tick lol

[inner mulch]

thats why i ask

[lost matrix]

Return the user normally. Implement the loadUser method normally. Only use CF in your loadUserAsync method.

[inner mulch]

is it possible or only every tick?

[twin venture]

did that

[waxen plinth]

update what

[fallen lily]

Well

[waxen plinth]

nothing meaningful can really happen on a shorter interval

[inner mulch]

minecraft api

[fallen lily]

Your code isnt just

[waxen plinth]

ok but WHAT

[fallen lily]

Running every 50ms

Lol

[waxen plinth]

it varies depending on what you're doing

you can send chat messages more than every 50ms

[inner mulch]

its single threaded except chat?

[fallen lily]

Your code runs at whatever speed is permissible by your jvm and system

[waxen plinth]

but block, world, entity

all of that will only be updated every tick

[waxen plinth]

yes

[inner mulch]

okay does action bar counts as chat too?

[fallen lily]

no

[waxen plinth]

I believe those can be updated faster

but if you want to find out

?try

?tryitandsee

https://tryitands.ee

[fallen lily]

you can update it at whatever rate you like server-side, the server will still send the packets aligned to its tickrate

[waxen plinth]

not sure about that for action bar

[fallen lily]

and the client will process it at the same (fixed) tick-rate of 20tps (50ms per tick)

[inner mulch]

okay

[inner mulch]

is there a way to dynamically change a methods parameter?

[hazy parrot]

What

[fallen lily]

Blud

Repeat the question to yourself

😭

[lost matrix]

You can overload methods

[inner mulch]

overload?

[fallen lily]

Sucks in java honestly

Kotlin is so blessed in this regard

[umbral ridge]

have multiple methods with the same name, but different parameters

[lost matrix]

public int getAge(Dog dog)
public int getAge(House house)
public int getAge(House house, int flatCount)

[inner mulch]

but i need to enforce this, i have a data pipe and want that the next pipe attached to the pipeline enforces the input to be the others output.

[lost matrix]

Generics

[fallen lily]

Well i have the solution forvyou on Kotlin

[umbral ridge]

public boolean get7smile7(Auth authCookie)

[fallen lily]

In a single line

[inner mulch]

prove it then i might consider giving kotlin a chance (java is better)

[lost matrix]

public <IN, OUT> OUT calculate(IN in);

[fallen lily]

Enjoy

[fallen lily]

You dont even need to call a method

[lost matrix]

Or simply take a look at javas functional interfaces. They are designed to be used in streams (or pipelines)

[fallen lily]

You just append 2 functions or blocks

Where one takes an inpit, and gives an output

And the next takes the input type

And produces another output type etc

[lost matrix]

Kotlin is noice for scripting or smaller projects for sure.

[eternal night]

operator overload my beloved

[fallen lily]

Yup

[umbral ridge]

my beloved grave

[eternal night]

certainly well defined what + does there

won't get weird if both methods yield an integer

🙏

[fallen lily]

I have the version with comments if you really need it

I explained it pretty well tho

[inner mulch]

i dont get how this enforces that "in" equals to the last pipe's output that we received?

[fallen lily]

Its literally just a pipeline without aids

[inner mulch]

but kotlin is unreadable java is nice and verbose

[umbral ridge]

does anyone know how to use record in java?

[lost matrix]

Simple solution: Create an infix "together_with"
Then you can have some cool { input: Garbage} together_with { input: Garbage}

[eternal night]

[shadow night]

It's kinda like a class in kotlin

[eternal night]

if only there was a type system that could do this

[fallen lily]

If you like exhausting your fingers from typing 20 million extra lines in your lifetime then please go ahead

[eternal night]

so you don't litter your syntax with random bs

[inner mulch]

verbose = boilerplate but it also = readable code

[fallen lily]

Kotlin can be readable

This is just a gimmick

[lost matrix]

verbosity is the key to finding your inner piece

[eternal night]

rust vibes

[fallen lily]

I obviously dont use this in production code

[shadow night]

I like java

[inner mulch]

its not a gimmick after looking at your screenshots it got proven again

[fallen lily]

https://github.com/Decencies/defiance-server

[inner mulch]

@lost matrix

[fallen lily]

Well if you want context, this was a challenge to produce the most unreadable kotlin code possible in a single line

I just had to give next its name because it was confusing me

[fallen lily]

Heres a good example of good kotlin code

Afaik

[lost matrix]

Ah, thats a big topic. Try using streams and java functional interfaces a lot. It helps you understand.
Try replacing all your inheritance with composition. Then it will come naturally.

[inner mulch]

composition > inheritance, but with composition there is no real dependency inversion or is there?

[inner mulch]

what is a functional interface

[lost matrix]

Consumer<T> Supplier<T> Function<T, U> BiFunction<T, V, U> BiConsumer... and so on

[inner mulch]

lambda?

[lost matrix]

They are coupled. Making an interface functional, qualifies it for usage as a lambda expression.

[shadow night]

Oo love those things

[fallen lily]

Me and my homies HATE lambdas

[shadow night]

You and your homies are weird

Lambdas are the best

Lambdas are my life

[fallen lily]

just Reciever.(Param…) -> Return

[shadow night]

Lambdas are forever

[fallen lily]

kotlin blocks op

Fuck java bro

[shadow night]

Heil the λαmbda

[fallen lily]

Imagine using MethodHandles

[inner mulch]

kotlin < java

[fallen lily]

What

What did blud just say

[shadow night]

It kinda is if you think about it

[fallen lily]

Kotlin is NOT java

[shadow night]

Kotlin compiles to jvm bytecode, jvm is JAVA virtual machine

[fallen lily]

Sure it compiles to the JVM, but it also compiles to multiple other representations

Making it its own separate language

Thats just one of many backends

[lost matrix]

If you want we can go into verified and ill show you the basics for streams and functional interfaces.

[fallen lily]

and it is basically nothing like java

[inner mulch]

sure

[shadow night]

Eh, it's still stuck in the same kinda oop hell

[fallen lily]

They took everything wrong with java

And made it right

[fallen lily]

oop?

What

Kotlin is functional by drfault

[shadow night]

The issue with jvm langs is, as hard as you try, you will always be stuck to some oop-iness

[fallen lily]

Well yes thats the JVMs fault

Not kotlin’s