And the map-like .put operation is also more expensive being O(n) instead of O(≈1)
#help-development
quiet ice
neon nymph
Yep, hence why I didn't use it
quartz basalt
what does this error mean java.lang.NullPointerException: Cannot invoke "net.minecraft.world.item.Item.u()" because the return value of "org.bukkit.craftbukkit.v1_18_R2.util.CraftMagicNumbers.getItem(org.bukkit.Material)" is null from for (Material mat : Material.values()) { if (mat != null) { if (mat.getCreativeCategory() == CreativeCategory.BUILDING_BLOCKS) { blocksList.add(mat); } } } specifically if (mat.getCreativeCategory() == CreativeCategory.BUILDING_BLOCKS) {
quiet ice
Test it in 1.19 First though
quiet ice
Because 1.18 is EOL
sacred mountain
yellow heheh eh e eh eh eh```EOL?
quartz basalt
.-----.
eternal oxide
what does this error mean ```java.lang.NullPointerException: Cannot invoke "net....
This looks like it is using legacy Materials. Do you have an api version in your plugin.yml?
quartz basalt
api-version: 1.18
<groupId>org.spigotmc</groupId>
<artifactId>spigot-api</artifactId>
<version>1.18.2-R0.1-SNAPSHOT</version>
<scope>provided</scope>
</dependency>``` yesthat is probably what is happening
The alternative is that it is crashing due to Material.AIR etc
quartz basalt
i dont think thatd happen though
eternal oxide
Can you post the full stacktrace
quartz basalt
yeah
quiet ice
I.e. things that are Not supposed to be itemstacks
eternal oxide
?paste
undone axleBOT
quiet ice
Remember that Material also contains types that do Not really exist
At least Not for itemstacks
quartz basalt
quiet ice
Hence BukkitMagic returns a null itemstack there and Bukkit cannot Grab the Creative category
eternal oxide
?stash
undone axleBOT
quartz basalt
what about it
quiet ice
I'd Insert a Material#isItem condition there
quartz basalt
alright ill try
quiet ice
what about it
Elgar did that command for himself
quartz basalt
oh
eternal oxide
can you see if this also happens on Spigot? You are running paper
quartz basalt
yeah gimmi a sec restarting server cuz i was gonna change to 1.19 to test it
eternal oxide
line 421 does not exist in spigot CraftMagicNumbers
tired atlas
Anyone any idea how to send raw bytes to a player connection? I used ProtocolLib but that seems buggy with 1.19.. and I don't need all the abstractions
eternal night
raw bytes must be one of the worst ideas I have heard in a while
no offense, but you will put more work into getting that to work than anything else in your entire plugin
quiet ice
Just use the raw nio channels at that point
tired atlas
I got it working with ProtocolLib already
eternal night
raw bytes is a whole different world than protocol lib
quartz basalt
.isItem() seemed to fix it thanks
tired atlas
No like, sending the raw bytes with protocollib
quiet ice
That defeats the purpose of that lib
tired atlas
Feels like there should be an relatively easy way to just tell the server to send the bytes to the player
eternal night
lol
tired atlas
I mean, enjoy updating
Also done 3 times, using https://github.com/PrismarineJS/minecraft-data/blob/a2a10bb79473a6a64a01e54d5712f923c362bd4d/data/pc/1.9.4/protocol.json and that seems pretty backward compatible so far
eternal night
not really. The servers interacts with the netty channel, which expects packets
quiet ice
Also, compression
eternal night
encryption
tired atlas
Guess I'll have to dig through the ProtocolLib source then
quiet ice
Can be discarded for offline mode
eternal night
also there is literally no "backwards compatible" network protocol out there
pale egret
Has anyone here used bisecthosting? Does it have good performance? The premium option
eternal night
just in 1.19, I think 2 whole packets were dropped ?
one was added, a bunch were changed
eternal night
don't think protocol lib sends bytes directly either does it ?
should just wrap the mojang packet types
tired atlas
also there is literally no "backwards compatible" network protocol out there
I know I know, no worries, just saying the .json maps in a way that didn't break any packets I used for the last two updates
tired atlas
don't think protocol lib sends bytes directly either does it ?
ProtocolLibrary.getProtocolManager().sendWirePacket
winged anvil
anyone here know why I can't connect to redis hosted off a separate machine from my machine even though I have it set to listening to all interfaces in the config as well as protected mode off
eternal night
```ProtocolLibrary.getProtocolManager().sendWirePacket```
pretty sure wire packet is a hack to some degree
it is still a "mojang packet"
that just only holds its bytes
vapid junco
is there any way i can get the vector perpendicular to player.getEyeLocation().getDirection()?
eternal night
tho again, protocol lib does a LOT
even sendWirePacket will still go through compression and encryption, because it has to
and no
legacy text is legacy text
use a proper text library (adventure is pretty cool)
halcyon mica
So what am I doing wrong here?
public static float getYawToLookAt(Vector a, Vector b) {
double x = b.getX() - a.getX();
double z = b.getZ() - a.getZ();
return (float)Math.toDegrees(Math.atan2(Math.toRadians(z), Math.toRadians(x)));
}```The result is consistently -90 degrees, regardless of the two vectors
tired atlas
The z and x you are passing to Math.toRadians aren't angles, what are you trying to do? :o
halcyon mica
The `z` and `x` you are passing to `Math.toRadians` aren't angles, what are you ...
Getting the yaw to look from vector a to vector b
eternal night
Looks alright, but yea, z and x are not angles
tired atlas
Just Math.atan(z / x) ?
tired atlas
You get the angle "from the origin", but it will be the correct angle still
halcyon mica
How, the position is not necessairly between the origin and the point
Yeah go figure, that doesn't work
nova sparrow
How would you get the closest player to another player?
ocean lion
How would you get the closest player to another player?
If you scroll up in chat someone actually sent out a class which does exactly that
tardy delta
i guess it just takes the length of the longest item in the row and adds some spaces
sacred mountain
i have a length util somewhere
it's a bit complicated though
but i've got to sleep now
minor garnet
but i've got to sleep now
np bro
restive mango
How quickly is an entity reference replaced after that entity dies? Like if I’ve saved a reference to an entity in a runnable and check that entity for some property a minute after it dies, what would happen?
tired atlas
Yeah go figure, that doesn't work
Math.atan2(x, z) is a "safer" way to write Math.atan(x / z)
restive mango
Alternatively, anyone know how to give a projectile some custom movement stuff without using a bukkitrunnable?
tired atlas
Alternatively, anyone know how to give a projectile some custom movement stuff w...
Like moving in different directions over time?
restive mango
Yeah, like make a projectile home in on the nearest entity, or orbit an entity, be thrown in an arc, home in on the direction an entity is looking, stuff like that.
I can do all of it with bukkitrunnables, but just wondering…
tired atlas
Sadly the "over time" part requires BukkitRunnable, I think
eternal oxide
runnables
restive mango
Darn
Well, my original question about references still stands — these projectiles /do/ things when they hit stuff, and I can either use the runnable or the listener for the collision to do that.
eternal oxide
There is a ProjectileHitEvent
ocean lion
Listener class: https://paste.md-5.net/awanomicul.cs
Problem: Trying to access the whoToTarget player method from outside the {}
tired atlas
I do see how it would be neat to have it close to eachother, code wise
nova sparrow
If you scroll up in chat someone actually sent out a class which does exactly th...
Could you tell me around what time the class was posted?
ocean lion
add my discord
dire sand
Hello
restive mango
@eternal oxide I know, but then I have to save all the information related to the projectile collision onto the projectile itself.
Otherwise the listener can’t get it, no?
dire sand
I am working on an animation to display blocks in a wave in front of the user. I have the animation working, but on the off chance some of the blocks in my animation get placed as real blocks whereas the other blocks are hollow. https://paste.md-5.net/wevagivaco.cs
How can I solve this?
I was thinking this can maybe occur b/c the velocity of the block was set to be facing down
eternal oxide
<@554021111231283200> I know, but then I have to save all the information relate...
just a flag on the projectile to indicate its type.
either use ItemMeta or PDC
ocean lion
ElgarL could you help me?
eternal oxide
ElgarL could you help me?
set a Field
graceful turret
whats the best option to set some text under player nickname?
ocean lion
But then it returns null
eternal oxide
if you set a field it can't return null
tired atlas
Well, my original question about references still stands — these projectiles /do...
I think it doesn't get removed, there is no simple way to "clear an object"
I'm trying it now, and I can still access it's properties (For a cow I'm testing .isDead()
eternal oxide
Player target = null with a setter and getter
in your onCommand target = targetPlayer
tired atlas
(Even .getLocation() shows the last location it lived still)
eternal oxide
I think it doesn't get removed, there is no simple way to "clear an object"
to remove an Entity you use .remove()
it flags it for cleanup
tired atlas
But how will it be cleaned up if my code still has a reference?
quartz basalt
is it possible to color lore
eternal oxide
yes
tired atlas
It can't change to null when I already have it as an object
quartz basalt
ChatColor.translateAlternateColorCodes('&' on lore doesnt work so how would i?
eternal oxide
ChatColor.RED
tired atlas
to remove an Entity you use .remove()
How long would this take? I'm waiting now to see what will happen 🤩
quartz basalt
ah
eternal oxide
How long would this take? I'm waiting now to see what will happen 🤩
if you are waiting for a stale reference to be cleaned up you will wait forever.
ocean lion
in your onCommand target = targetPlayer
its not a command its a listener
eternal oxide
its not a command its a listener
same thing applies. if you need somethign out of teh Listener you store it
tired atlas
if you are waiting for a stale reference to be cleaned up you will wait forever.
So am I correct in saying that if an animal dies you will still have access to its last properties until you discard the reference yourself (by not having it in scope anymore)
eternal oxide
How long would this take? I'm waiting now to see what will happen 🤩
You holding the reference is whats preventing its removal. Check with Spigot if your Entity still exists by asking for a new reference
eternal oxide
So am I correct in saying that if an animal dies you will still have access to i...
Correct, but only its immediate data. any query to Spigot will fail as Spigot has forgotten about it
tired atlas
How quickly is an entity reference replaced after that entity dies? Like if I’ve...
Do you have an example of a query to spigot I could make through the entity reference?
eternal oxide
https://hub.spigotmc.org/javadocs/spigot/org/bukkit/World.html#getEntities() and see if its in there
depends on what you are doing in each
at all times you will have Thousands of tasks running on your CPU
My PC right now has 2174 seperate Threads running
in 98 processes
you can add thousands more, it all depends on what you are doing in them
what are you running in each?
for starters they are on a timer, so not running all the time
Nothing there sounds like heavy tasks, so no problems.
tardy delta
querying a database
eternal oxide
lots of square roots
BIG math
depends how many you do and how often
again, without knowing quantity and how I can;t say for sure
ocean lion
depends how many you do and how often
I added Player target = null; and getter and setter but still is null
Caused by: java.lang.NullPointerException: Cannot invoke "org.bukkit.entity.Player.setHealth(double)" because "this.target" is null
at com.yanesagrybnow.targetgui.targetListener.onMenuClick(targetListener.java:44) ~[?:?]
eternal oxide
have you set it from inside your Listener?
or if you are accessing it INSIDE your listener you have to set it elsewhere
You should not have a Listener running which is expecting a value from outside that is not there
we seemed to get crossed messages there at teh end 🙂
eternal oxide
Do I have to answer that? 😄
rare flicker
is it alright if i ask for people here to upvote an issue i posted?
ocean lion
If you could try to help me further it would be appreiciated
undone axleBOT
ocean lion
https://paste.md-5.net/napusayine.java
and class with getter/setter
eternal oxide
I don;t see any refernce to the object target.setHealth(0);
ocean lion
right since thats where I dont know what to do
eternal oxide
ok you are creating a menu of player heads
ocean lion
I obviously want the Player whoToTarget = player.getServer().getPlayerExact....... to be accessed not just a Player target
eternal oxide
when you click on a player head you shoudl be setting target to that owning Player
tardy delta
you can just do Bukkit.getPlayerExact
eternal oxide
so teh code where you click the head you shoudl be setting the Player target field
ah ok
This line targetMenuUtils.openTargetMenu(player, whoToTarget);
alpine coral
So I've tried looking up info about pinging a minecraft server in js, but I can't rlly find any
how would I go about it?
chrome beacon
Use PrismarineJS
alpine coral
And I mean like, getting this info
ocean lion
This line `targetMenuUtils.openTargetMenu(player, whoToTarget);`
what about that line
alpine coral
Use PrismarineJS
nah not tryna use libraries
tired atlas
Then wiki.vg is your friend
Amen
alpine coral
what headers would I use
eternal oxide
what about that line
in teh openTargetMenu store the target this.target = target;
eternal oxide
so line 37 where you need a target you call targetMenuUtils.getTarget()
needs to be static as you have no reference to the instance
Lastly you should not close nor open an Inventory from within the InventoryClickEvent You need to delay it 1 tick
chrome beacon
https://minecraft.fandom.com/wiki/Classic_server_protocol
You do know that's super old
alpine coral
Then wiki.vg is your friend
well there's not much to go off of here either
proper notch
Are you just trying to get the info from a server ping?
alpine coral
yes
chrome beacon
First of you should know that you're not going to do a http request
proper notch
I used this as a starting point to understand what I needed to do when doing that: https://github.com/lucaazalim/minecraft-server-ping/blob/master/src/main/java/br/com/azalim/mcserverping/MCPing.java#L72
chrome beacon
You're going to have to use TCP
proper notch
My end solution was quite different, but that's good to sorta understand what you've actually gotta be doing
chrome beacon
There are already js libs for this. Why not use them?
alpine coral
because I was saying js cuz alot of ppl use it and I figured someone would answer, but I won't actually be using js
chrome beacon
...
ocean lion
@eternal oxide
ocean lion
Now I get this https://paste.md-5.net/uposayejil.css
eternal oxide
have you set it static
getTarget has to be static
no idea what your error is though, its not in teh paste
chrome beacon
That appears to be an infinite loop
eternal oxide
oh ok I see
public Player setTarget() {
return this.target;
}```Do you see an issue here?yes
ocean lion
public static Player target = null;
public static Player getTarget() {
return target;
}
public static Player setTarget() {
return target;
}
and inside the openMenu its target= getTarget(){
tardy delta
looks like static abuse 🤔
tardy delta
idk lol havent read the whole thing
eternal oxide
public void setTarget(Player player) {
this.target = player;
}```
torn yarrow
has anyone got a plugin for 1.19 and java1.17 that is using gradle..ie looking for gradle config... don't normally touch it but have a plugin i'm updating to the latest.
eternal oxide
Yep he has to use static because he won;t pass instances as I showed yesterday 😦
tardy delta
¯_(ツ)_/¯
ocean lion
it wont let me use this.target; with a static
eternal oxide
fix your setTarget method
ocean lion
I did now
eternal oxide
now fix in your openTargetMenu you need to do setTarget(target);
I have no idea why we are doing it this way. We could have done it in the Listener 😛
I didn;t notice you are using a double Listener
eternal oxide
here you go https://paste.md-5.net/zaperaduni.java
scrub all the changes to targetMenuUtils
no need to store a target in there at all
"best"
lost matrix
There is no best way.
There are several valid approaches and each one needs to be thought out.
I would suggest using an advanced command framework.
Im using ACF. But it has a very steep learning curve and is pretty hard to master.
There are several others you can take a look at.
tardy delta
same
ivory sleet
I use Bukkit command framework
Known for its simplicity
Tho it is a bit limiting
Like if you wanna just do it yourself
Map some command executors
Map<String,CommandExecutor>
Minimalistic
lost matrix
I think the most time consuming work is context resolving.
I would much rather create a command like this:
public void onCommand(CommandSender sender, Player target, int amount) {
}
And then register a context resolver (CommandSender, CommandContext) -> Player (once)
So i can reuse it in every command by just specifying the type instead of having to parse and validate String over and over again.
But all of that needs reflections.
ivory sleet
Well, in that case
Cloud
Or just reflect into the brigadier dispatcher
and use brigadier purely
(Might not even need reflection)
lost matrix
Cloud
Isnt that the one that uses a builder pattern and therefore has gigantic tree definitions?
ivory sleet
You have annots as well
But yes it follows a similar style to brigadier
Which sure can be a bit verbose
But it allows you to easily compose commands with literals and arguments on the fly
With quite easy reusability
lost matrix
Im just looking at it. Doesnt look too bad.
ivory sleet
Yeah, the nesting can become pretty awful, so I usually create a ton of variables… but well it works fine Ig
(Which is why using annotations isn’t actually that bad, but helps with reducing boilerplate a lot)
lost matrix
But im way too committed to ACF. Poured too much time into it so i wont change.
ivory sleet
Lmaoo
I mean acf is extremely solid so don’t think you over committed the wrong library
No?
Justify
Still awaiting your explanation :3
lost matrix
Yeah its very solid. Its just a hustle working with others because explaining how the internals work is a bit...
ivory sleet
🥲
ocean lion
Can anyone help me test the plugin. Need someone to use on
lost matrix
Can anyone help me test the plugin. Need someone to use on
Run the server in offline mode and connect with two clients
tardy delta
oh thats a thing
ocean lion
Just wanted to know if anyone would help but ty
rain echo
Hi! It's okay how I did this menu? https://paste.md-5.net/yapaqowuvu.java
the idea is that I created an instance for the menu in the main class and then I called it when needed
lost matrix
Hi! It's okay how I did this menu? https://paste.md-5.net/yapaqowuvu.java
the id...
Why does your ItemsMenu implement Listener?
lost matrix
Dont expose your maps like that. You should never have any getters or setters for data structures like maps, sets, lists etc...
rain echo
wdym?
lost matrix
You can take that quite literally
winged anvil
why not
tired atlas
Just let the guy have his maps
winged anvil
lmfap
rain echo
a class that converts the menu to config and vice versa
lost matrix
This breaks strong encapsulation and will inevitably lead to a mess. Especially in bigger projects.
Yes
rain echo
but then how i can get the map or the list from another classes?
lost matrix
but then how i can get the map or the list from another classes?
2 ways:
- You dont. All you do is delegate properties to your class.
- Through mutators and accessors
rain echo
but, the thing i did with the instance of the menu in the main class, is okay?
rain echo
2 ways:
1) You dont. All you do is delegate properties to your class.
2) Throug...
hmmm... okay
lost matrix
Ill give an example. One moment.
tired atlas
but then how i can get the map or the list from another classes?
The idea is that you expose not the map itself, but craft methods to interact with the map through your class
But if you need to add and remove items, just use a map
Once you have it working, you might want to spend the time to abstract it, but is it worth it now?
Abstraction as in, not exposing the map (or any object that itself contains state) directly but instead having dedicated methods to interact with the map (or any object) for "encapsulation"
Maybe, but is it worth the hassle while you are working on a feature
I find that all the strong encapsulation and code rules keep me from playing around and getting cool things to work
shy forge
Can someone help me resolve a java.lang.IllegalArgumentException: Unsupported class file major version 62 error I keep getting with Gradle?
lost matrix
?paste
undone axleBOT
lost matrix
hmmm... okay
rain echo
thanksss, checking now
iron glade
How do I get the file from the FileConfiguration?
tardy delta
iirc not
lost matrix
How do I get the file from the FileConfiguration?
It has no file
Its pretty much just a glorified Map<String, Object>
iron glade
oh damn
sage coral
A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70)
at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34)
Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')
at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
... 6 more
any help me
ivory sleet
Forge?
sage coral
yes
lost matrix
thanksss, checking now
Btw building on what ive sent you: This is how more advanced menu libraries implement the IMenu interface.
https://paste.md-5.net/xavefogabe.java
tardy delta
heeheeheehaw
uneven fiber
hey yall im tryna add arrows into the players inventory but i've been failing...
what am i doing wrong?
sage coral
any help me ?!
uneven fiber
any help me ?!
🌷
ivory sleet
I’m sorry but this isn’t the forge support discord
uneven fiber
rose for your troubles
ivory sleet
There are probably other, more suitable places where you can get help with addressing said error
neon nymph
How can I "create" block data using the string returned by a #BlockData.getAsString()?
lost matrix
How can I "create" block data using the string returned by a `#BlockData.getAsSt...
Bukkit.createBlockData(String)
neon nymph
Oh that's a thing lol, thanks
uneven fiber
hey yall im tryna add arrows into the players inventory but i've been failing...
thoughts?
tardy delta
hey yall im tryna add arrows into the players inventory but i've been failing...
failing?
lost matrix
thoughts?
The bow might overwrite the arrows. Try setting the bow first and add the arrows afterwards
uneven fiber
The bow might overwrite the arrows. Try setting the bow first and add the arrows...
got it 🫡
lost matrix
like the arrows just aren’t being added to the player’s inventory
They are. But probably on slot 0. And then the Bow overwrites them.
uneven fiber
They are. But probably on slot 0. And then the Bow overwrites them.
makes sense
tardy delta
my brain is dead at this time of the day
main dew
How disable create end portal
tardy delta
main dew
https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/event/world/PortalCreateEven...
don't work 😅
main dew
registered it?
yea
tired atlas
don't think protocol lib sends bytes directly either does it ?
After a whole lot of trying, I can now send bytes without wrapping them in specific packets or anything 🤩
misty current
if I have a class Car that extends Vehicle, can I get in the constructor of Vehicle the class object of the super constructor caller? (in my case, Car)
main dew
can i see code?
@EventHandler
public void onPortalCreate(PortalCreateEvent e) {
e.setCancelled(true);
}```uhh and is that doin anything?
main dew
uhh and is that doin anything?
I can check nether portal 😅
eternal night
After a whole lot of trying, I can now send bytes without wrapping them in speci...
nice xd
unnecessary as fuck but nice xD
main dew
uhh and is that doin anything?
yea for nether portal work
tardy delta
if I have a class `Car` that extends `Vehicle`, can I get in the constructor of ...
'this'
misty current
i need to get the car instance from inside vehicle
this.getClass() would return vehicle.class
basically
tired atlas
unnecessary as fuck but nice xD
Well... I'm writing it to use a javascript plugin engine so don't get me started about unnecessary as fuck ;)
eternal night
Oh god
tired atlas
Yeah... I'm that kinda guy :P
tardy delta
i need to get the car instance from inside vehicle
what are you trying to do?
tired atlas
Hahaha, let me have my javascript
tardy delta
check if this extends Car and cast it
misty current
i want to get the class object of the class that called a super constructor from inside the super constructor
misty current
check if `this extends Car` and cast it
i don't need to check for instances, any class could extend Vehicle and I can't make checks for each one of them
sterile token
heeheeheehaw
Wow amazing
true shuttle
ok so i know this is such a noob question, but how can I make a class that only runs when I call it? like a function or something
last sleet
You can make a static method and call that.
echo basalt
constructor
sterile token
ok so i know this is such a noob question, but how can I make a class that only ...
But give more details would be used for utilities?
last sleet
But give more details would be used for utilities?
He said like a function or something, so I assume it's like python's function, so, yes, a utility class/method.
true shuttle
He said like a function or something, so I assume it's like python's function, s...
Yea i think u got it
sterile token
So yeah, i prefer doing utilities method static
uneven fiber
They are. But probably on slot 0. And then the Bow overwrites them.
ok this worked but now im facing an issue where the arrows aren't being decreaed when i shoot the bow
sterile token
So yeah, i prefer doing utilities method static
For example for plugins, i have some statics methods in a class. One of them just translate the colors (&f, &3, etc) into vanilla colors
last sleet
Yea i think u got it
Tbh if you don't know what static methods are, you should seriously consider learning basic java before coding plugins for Minecraft, or else 99% of your time is gonna be spent looking up stackoverflow.
sterile token
Tbh if you don't know what static methods are, you should seriously consider lea...
+1 to your answer (Agree with you)
On minecraft plugins: not knowing basic java == be 1h asking, searchingon internet, etc something easy to do
uneven fiber
hey yall im facing an issue where for some reason, the amount of arrows given to a player doesn't decrease
like 32 arrows are originally given, but even if they shoot the bow 10 times the amount doesn't go down from 32
any ideas why?
sterile token
hey yall im facing an issue where for some reason, the amount of arrows given to...
Maybe because has infinity arrow?
uneven fiber
LMFAO thank you
sterile token
Your welcome :D
sterile token
Haha, sometimes happen that i update a file.yml on a plugin, them restart and the same errors. After 10m i realise i was using the fucked old yaml files
uneven fiber
Haha, sometimes happen that i update a file.yml on a plugin, them restart and th...
LOL
true shuttle
Tbh if you don't know what static methods are, you should seriously consider lea...
yeah i def should, but i've been picking it up really fast and i've actually gotten the hang of things. I mean I'm still a total beginner but i've learned a lot
uneven fiber
this is why taking breaks while coding indirectly hurts you
sterile token
yeah i def should, but i've been picking it up really fast and i've actually got...
We dont see that...
Because static is part of basic java
sterile token
this is why taking breaks while coding indirectly hurts you
Yeah, or when you are working too much a small break help you
uneven fiber
Yeah, or when you are working too much a small break help you
facts
last sleet
yeah i def should, but i've been picking it up really fast and i've actually got...
I would recommend the book On Java 8, it's how I learned and it's really simple to understand.
uneven fiber
I would recommend the book On Java 8, it's how I learned and it's really simple ...
I heard from some people think java is really good
and free online 🤷♂️
true shuttle
I would recommend the book On Java 8, it's how I learned and it's really simple ...
sweet i'll check it out. the main reason i haven't stopped to learn is cuz i didn't really know how to teach myself lol. thanks!
golden turret
I'm sending an entity destroy packet to the player (I'm on 1.17.1) and teleporting him far from the entity.
When I use /tp on the entity location I can see the entity.
How can I make the entity not appear for the player even if he walks back to the location?
humble tulip
I'm sending an entity destroy packet to the player (I'm on 1.17.1) and teleporti...
Resend the packet
The packet is sent when the chunk loads for the player
Or maybe even after
iron glade
public static String trueOrFalseColor(boolean b) {
if (b) return "§a";
else return "§c";
}```
This looks so wrong xdUsually I'm not a fan of leaving out brackets
dusk flicker
oh my
late sonnet
._.
dusk flicker
personally id do something like
respectiveColoor(boolean value)
return b ? "§a" : "§c";
Or a static final string
dusk flicker
obviously psuedocode, and spelling isnt great
iron glade
personally id do something like
```java
respectiveColoor(boolean value)
return...
No that's totally fine, I usually also go that way
dusk flicker
yeah a static final string would be decent
iron glade
ever since I learned about the ternary operator I fell in love with it
restive mango
How would I make a projectile invisible?
last sleet
Maybe you can send an entitydestroypacket to players that see the projectile.
restive mango
Got an example of any packet code I could explore? I haven't worked with packets before.
Any basics plugins which use it, I mean.
last sleet
Got an example of any packet code I could explore? I haven't worked with packets...
Hah, I also haven't really worked with packets or NMS before but I found this thread on the spigot forums :
https://www.spigotmc.org/threads/making-projectiles-arrows-invisible-to-all-players.459673/
It might help you.
iron glade
Anyone can recommend a way to obfuscate a maven project?
humble tulip
Anyone can recommend a way to obfuscate a maven project?
Lmk how as well
restive mango
great, i'll take a crack at this, thanks a bunch @last sleet
golden turret
The packet is sent when the chunk loads for the player
is there an event for when it happens?
humble tulip
is there an event for when it happens?
Maybe chunkloadevent?
west scarab
why isn't this code working?? this should be all right syntax and stuff....
@EventHandler
public void join(PlayerJoinEvent event) {
Player p = event.getPlayer();
event.setJoinMessage("PLAYER JOINED!");
Bukkit.broadcastMessage("Testing Stuff");
}```it doesn't set the join message or broadcast, no errors
worldly ingot
Was the event registered?
west scarab
package things.things;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.java.JavaPlugin;
import java.util.HashMap;
import java.util.UUID;
public final class Things extends JavaPlugin implements Listener {
@Override
public void onEnable() {
Bukkit.broadcastMessage("" + Bukkit.getServer().getOnlinePlayers());
}
@EventHandler
public void join(PlayerJoinEvent event) {
Player p = event.getPlayer();
event.setJoinMessage("PLAYER JOINED!");
Bukkit.broadcastMessage("Testing Stuff");
}
public static void clicker(PlayerInteractEvent event) {
event.getPlayer().sendMessage("Testing");
Player p = event.getPlayer();
Block b = event.getClickedBlock();
UUID u = p.getPlayer().getUniqueId();
Integer bal = Balance.get(u);
if(event.getAction() == Action.RIGHT_CLICK_BLOCK) {
if(b.equals(Material.COBBLESTONE)) {
Balance.put(u, bal+10);
p.sendMessage("Balance: " + Balance.get(u));
}
}
}
public static HashMap<UUID, Integer> Balance = new HashMap();
}
that's the full code
nothing in it works for some reason with 0 errors
west scarab
Was the event registered?
how to do that?
worldly ingot
Yeah that's not registered. You need to register your listeners
west scarab
im very new just started yesterday,
worldly ingot
@Override
public void onEnable() {
Bukkit.getPluginManager().registerEvents(this, this);
}```The first this referring to the instance of the Listener, the second this referring to the Plugin
west scarab
just put that in and it'll work?!
worldly ingot
Yes
west scarab
lemme test!
worldly ingot
Your PlayerInteractEvent won't work though. You would have to remove the static and annotate it with @EventHandler as well
west scarab
how do you annotate
worldly ingot
Additionally, Block will never equal a Material. Your if (b.equals(Material.COBBLESTONE)) should be if (b.getType() == Material.COBBLESTONE)
Just adding @EventHandler above the method
worldly ingot
It's a bit of a deep dive. Until you have a better understanding of objects and instances (which I don't imagine you quite have a grasp of just yet), it's best to avoid static for the time being. If you want to learn a bit more about it, see this guide: https://docs.oracle.com/javase/tutorial/java/javaOO/classvars.html
west scarab
the stuff you said works, thanks so much but 1 more thing
it's not sending the balance thing
@EventHandler
public void clicker(PlayerInteractEvent event) {
Player p = event.getPlayer();
Block b = event.getClickedBlock();
UUID u = p.getPlayer().getUniqueId();
Integer bal = Balance.get(u);
if(event.getAction() == Action.RIGHT_CLICK_BLOCK) {
if (b.getType() == Material.COBBLESTONE) {
Balance.put(u, bal+10);
p.sendMessage("Balance: " + Balance.get(u));
return;
}
}
}```Likely have a NullPointerException in your console. Balance.get(u) will throw an error because it's going to try and auto unbox an unmapped value. You can use Balance.getOrDefault(u, 0); instead and it should work
west scarab
link this? java Balance.getOrDefault(u, 0); Balance.put(u, bal+10);
worldly ingot
@EventHandler
public void clicker(PlayerInteractEvent event) {
Player p = event.getPlayer();
Block b = event.getClickedBlock();
UUID u = p.getPlayer().getUniqueId();
Integer bal = Balance.getOrDefault(u, 0); // This line here should use getOrDefault()
if(event.getAction() == Action.RIGHT_CLICK_BLOCK) {
if (b.getType() == Material.COBBLESTONE) {
Balance.put(u, bal+10);
p.sendMessage("Balance: " + Balance.get(u));
return;
}
}
}```OHHH thanks ima try it!
YES works, thank you so much, but it's doubling how do i fix that like when i click once it's registering two clicks
subtle folio
How do I lsiten for when a Player enters a minecart?
west scarab
probs vehicle related i'd imagine ^
restive mango
Ugh, people are going to hate me for asking this, but how do I create instances of a class I'm using for data storage which are accessible from any of my other classes?
Like...
Suppose I have this:
public class ParamClass {
private final int height;
private final int width;
private final int depth;
public ParamClass(int height, int width, int depth) {
this.height = height;
this.width = width;
this.depth = depth;
}
public int getHeight() {
return height;
}
public int getWidth() {
return width;
}
}
And I want to have two ParamClass things which I can access from my other classes, one with height, width, and depth of 2, 4, and 6, and the other with 5, 6, and 10.
How do I actually create those and then access them from anywhere?
quaint mantle
and you asking how to instantiate in java
restive mango
yes D;
quaint mantle
and its funny
to create a new Object
you would do
new Object
so new MyObject(param1, param2)
restive mango
Ugh, the issue is then I have to create it WHENEVER I'm using it... I really am just hoping to use it to store the data once.
And then call the class to read that data
quaint mantle
there's absolutely nothing wrong with that
restive mango
Yeah, but I'm instantiating the same object in multiple different classes
Like to use the prior example, I might need that 2-4-6 cube in multiple different classes, I'd really prefer to only need to make it once.
restive mango
yeah, but how would I create that and then use it? Would I just run it in OnEnable?
quaint mantle
class A {
Some ref;
A(Some ref) {
this.ref = ref;
}
}
class B {
Some ref;
B(Some ref) {
this.ref = ref;
}
}
// some class
Some some = new Some();
A a = new A(some);
B b = new B(some);
assert a.ref == b.ref;
@restive mango are you a rust user
restive mango
nay
quaint mantle
mkay cause this seems like a very rust user migrating to java type of question
restive mango
I will be honest, I don't understand your code snippet
west scarab
Does anyone know how to convert a string to a material?
here is code:
String b = getConfig().getString("clicker" + i);
Block b2 = // need help here```you can't get a Block from a Material
west scarab
so like inn my config i have like
clicker1: "white concrete"
would I have to name it like WHITE_CONCRETE
and then how would i convert from there?
eternal oxide
it would be easier if you did
west scarab
it would be easier if you did
how do i convert from there?
eternal oxide
Material.matchMaterial(string)
eternal oxide
No. I already said you can;t get a Block from a Material
Material mat = Material.matchMaterial(string)
golden turret
I'm using ProtocolLib to intercept the PacketPlayOutSpawnEntityLiving to cancel the packet.
It is working fine for entities like creeper but it is not being fired for armor stands.
I also tried PacketPlayOutSpawnEntity but it is not being fired too.
What could I do?
ornate patio
how do i get the nearest type of block to an entity
For example, the nearest water block to a horse
undone axleBOT
worldly ingot
YES works, thank you so much, but it's doubling how do i fix that like when i cl...
Sorry, I'm playing games with friends. PlayerInteractEvent is called once for each hand. You can ignore one of them if you'd like
public void onInteract(PlayerInteractEvent event) {
if (event.getHand() == EquipmentSlot.OFF_HAND) {
return;
}
// Continue with the rest of your code
}```ahhhh thx man you've like helped a lot probs would've just restarted for the third time if i couldnt fix the bug haha
worldly ingot
Yeah I'm not sure what scheduling has to do with anything here. Though I don't think there's a solution to this at all
There's no guarantee of the order in which the client receives the message packets
worldly ingot
Not as far as I'm aware
rocky latch
thai language can't send in my serverchat
worldly ingot
Presumably that says "Unicode chat is not allowed." Sounds like a plugin you have installed that doesn't want to allow for unicode characters
#help-server is probably better for that, unless you wrote the plugin
rocky latch
Presumably that says "Unicode chat is not allowed." Sounds like a plugin you hav...
Ummmm LPC yes?
worldly ingot
LuckPermsChat? That might do that.
EDIT: I see no mention of "Unicode" in the LPC GitHub. Probably not
quaint mantle
What does "An internal error occurred while attempting to perform this command" usually means
vocal cloud
Means you made a mistake
quaint mantle
any specifications?
rocky latch
LuckPermsChat? That might do that.
**EDIT:** I see no mention of "Unicode" in th...
This is my lasted plugins
quaint mantle
feel like this is more of a #help-server discussion
ornate patio
how do i get the nearest type of block to an entity
bump 🛣️
(ping me if you respond pls)
ok honestly im so lost
how do i make a horse pathfind to the nearest water source without actually stepping in
I'm using NMS and this is my first time messing with pathfinding
I'm also using mojang mapped
ornate patio
ok honestly im so lost
i have no idea what I'm doing, this is what I've got
BlockPos blockPos = new BlockPos(getX() + 10, getY(), getZ());
getNavigation().createPath(blockPos, 1);
doesn't do anything
quasi patrol
Can you get the cause of the teleport from Entity Teleport Event, like whether or not it is natural or /tp
west scarab
would this work??
No, though I feel like maybe this should be an API feature. However you can get the teleport reason from a PlayerTeleportEvent
https://hub.spigotmc.org/javadocs/spigot/org/bukkit/event/player/PlayerTeleportEvent.TeleportCause.html
west scarab
would this work??
``` Integer give = 1; if(o == Material.WHITE_CONCRETE);...
@worldly ingot any idea?
hexed hatch
would this work??
``` Integer give = 1; if(o == Material.WHITE_CONCRETE);...
What even is this
west scarab
i want it to set that integer to somthing if x is x basically
humble tulip
Stuff that haopens if the stuff in the if is true goes after the if
Not before
If (x) {
Stuff
}
west scarab
ik but it's not working it's not registering that give is set when i do that
it's being weird
undone axleBOT
west scarab
yea 1s
private Integer getint(Material o) {
Integer give = 1;
if(o == Material.WHITE_CONCRETE) {
Integer give = 3;
}
if(o == Material.ORANGE_CONCRETE) {
Integer give = 5;
}
return give;
}```
drowsy helm
you are redeclaring give outside of the scope
give = 5
instead of Integer give = 5
and why non primitve integer?
west scarab
wym
west scarab
🤷♂️
drowsy helm
but yeah
private int giveInt(Material o){
int give = 1;
if(lbah blah blah){
give = 3;
}
if(2bhahaljads){
give = 5;
}
return give;
}```idk how that isnt giving oyu errors
humble tulip
That can't give errors
west scarab
thanks for helping im new to java lol just started last night
west scarab
That can't give errors
not what he sent what i sent
drowsy helm
That can't give errors
yes it can
you're declaring a new variable with the same name
humble tulip
Ohh i watched what u sent
My bad
He already defined give and tried to redeclare it
desert loom
```java
private Integer getint(Material o) {
Integer give = 1;
...
should also use else-if's here so you aren't redundantly checking material types.
drowsy helm
or switch
desert loom
yep
drowsy helm
or even better immutable map
ornate patio
i have no idea what I'm doing, this is what I've got
```java
BlockPos blockPos =...
bump
west scarab
would this work?
private Integer getint(Material o) {
int i = 1;
int give = 0;
while(i < 16) {
if(o == Material.matchMaterial(getConfig().getString("clicker" + i))) {
give = getConfig().getInt("amt" + i);
}
i++;
}
return give;
}```what are you trying to do?
west scarab
ok so in my config i have this,
Unique: 0
clicker1: "white_concrete"
clicker2: "orange_concrete"
clicker3: "magenta_concrete"
clicker4: "light_blue_concrete"
clicker5: "yellow_concrete"
clicker6: "lime_concrete"
clicker7: "pink_concrete"
clicker8: "gray_concrete"
clicker9: "light_gray_concrete"
clicker10: "cyan_concrete"
clicker11: "purple_concrete"
clicker12: "blue_concrete"
clicker13: "brown_concrete"
clicker14: "green_concrete"
clicker15: "red_concrete"
clicker16: "black_concrete""
amt1: 1
amt2: 3
amt3: 5
amt4: 10
amt5: 20
amt6: 40
amt7: 100
amt8: 150
amt9: 220
amt10: 250
amt11: 300
amt12: 500
amt13: 1000
amt14: 2500
amt15: 5000
amt16: 10000```
Im trying to detect the block type then detect which number it would be from the config, then return the amt with that number if that makes sinceyeah that should work but its probs not the best way to do it
west scarab
is there a better way without doing like 100 lines lol
drowsy helm
with yml you can have children varibles
so
clicker1: "white_concrete"
- amt: 1
for example
or even better
white_concrete: 1
then you can just get the Material name
private Integer getint(Material o) {
String name = //Whatever to get material name
return getConfig().getInt(name);
}
multiplies the value i believe
ornate patio
alright
drowsy helm
i might be wrong though
for the mostpart a scalar is a float that multiplies a value
ornate patio
also is AttributeModifier a good use case for this scenario:
A player who changes the movement speed of a horse by right clicking a stick to cycle between 4 different speeds (Walk, Trot, Canter, Gallop)
carmine valley
hey guys I'm currently working on a plugin, I had the first class working but when I made a new class and started working on it my initial code just stopped working. Any idea why's that? I'm using these for my listeners in each class: ```cpp
getServer().getPluginManager().registerEvents(new Knockback(this), this);
getServer().getPluginManager().registerEvents(new DoubleJump(this), this);
main ^
drowsy helm
also is `AttributeModifier` a good use case for this scenario:
A player who chan...
yeah i think that would be a good usecase
ornate patio
alright ty
drowsy helm
hey guys I'm currently working on a plugin, I had the first class working but wh...
can you show the listener classes
carmine valley
sure
public class Knockback implements Listener {
private MCBrawl plugin;
private Map<UUID,Double> heatMap = new HashMap<>();
public Knockback(MCBrawl plugin) {
this.plugin = plugin;
}
@EventHandler
public void onPlayerHitPlayer(EntityDamageByEntityEvent event) {
if (event.getDamager() instanceof Player && event.getEntity() instanceof Player) {
double heatValue = heatMap.get(event.getEntity().getUniqueId());
heatValue++;
heatMap.put(event.getEntity().getUniqueId(), heatValue);
LivingEntity damaged = (LivingEntity) event.getEntity();
LivingEntity damager = (LivingEntity) event.getDamager();
Vector damagedV = damaged.getLocation().toVector();
Vector damagerV = damager.getLocation().toVector();
Vector velocity = damagedV.subtract(damagerV).normalize().multiply(heatValue);
damaged.setVelocity(velocity);
if (heatValue >= 7) {
Bukkit.getScheduler().runTaskLater(plugin, () -> {
damaged.setVelocity(velocity.clone());
}, 6);
if (heatValue >= 10) {
Bukkit.getScheduler().runTaskLater(plugin, () -> {
damaged.setVelocity(velocity.clone());
}, 2);
if (heatValue >= 15) {
Bukkit.getScheduler().runTaskLater(plugin, () -> {
damaged.setVelocity(velocity.clone());
}, 3);
}
}
}
}
}
@EventHandler
public void onJoin(PlayerJoinEvent event2) {
heatMap.put(event2.getPlayer().getUniqueId(), 0.0);
}
@EventHandler
public void onDeath(PlayerDeathEvent event3) {
heatMap.put(event3.getEntity().getUniqueId(), 0.0);
}
}```and its just not calling the events?
carmine valley
that's the initial one that stopped working and can't get it back to work
I literally even erased all the code I wrote after it and it still won't work
I gotta start using github for shit like that
waxen plinth
GitHub ≠ git
drowsy helm
how are you verifying that its not being called?
carmine valley
and its just not calling the events?
I'm not sure on how I can check that, but the plugin is no longer working
drowsy helm
just do a printline on one of the events
if its being printed, the event is being called
if not it means it's not being registered correctly
carmine valley
sure lemme try that and get back to ya
carmine valley
if not it means it's not being registered correctly
then that would mean the problem is in my implementation
carmine valley
with a print statement too?
carmine valley
so smth like that? cpp System.out.println("MCBrawl loaded successfully!"); getServer().getPluginManager().registerEvents(new Knockback(this), this); System.out.println("Register events working 1"); getServer().getPluginManager().registerEvents(new DoubleJump(this), this); System.out.println("Register events working 2");
drowsy helm
yeah
carmine valley
that's my main ```cpp
package me.r3dx.mcbrawl;
import org.bukkit.plugin.java.JavaPlugin;
public final class MCBrawl extends JavaPlugin {
@Override
public void onEnable() {
System.out.println("MCBrawl loaded successfully!");
getServer().getPluginManager().registerEvents(new Knockback(this), this);
System.out.println("Register events working 1");
getServer().getPluginManager().registerEvents(new DoubleJump(this), this);
System.out.println("Register events working 2");
}
@Override
public void onDisable() {
System.out.println("MCBrawl terminated successfully!");
}
}
don't see why that wouldnt work
drowsy helm
are you getting any errors when loading
drowsy helm
its showing up on /plugins right?
carmine valley
lemme check
bronze swan
where can I find resources on getting started making a plugin for the latest version of minecraft
carmine valley
I think it has to do with 1.19, it stopped working right after it released
drowsy helm
where can I find resources on getting started making a plugin for the latest ver...
theres a few resources on youtube. They are probably not up to date but most of the api applies to current versions
carmine valley
where can I find resources on getting started making a plugin for the latest ver...
get familiar with Java, watch tutorials, and make the documentation your bread and butter
bronze swan
theres a few resources on youtube. They are probably not up to date but most of ...
do you know of any specific ones that are good?
drowsy helm
I think it has to do with 1.19, it stopped working right after it released
if thats the case you should be getting an error in console when starting the server up
NAh not really sorry
bronze swan
get familiar with Java, watch tutorials, and make the documentation your bread a...
yep I'm familiar with java already and I played around with plugin development a few years back but I want to get back into it
carmine valley
if thats the case you should be getting an error in console when starting the se...
I'm not using it tho, I'm still on 1.18.2
carmine valley
yep I'm familiar with java already and I played around with plugin development a...
most important thing is that you work on your own project, that's how I learned. if you can't think of anything try to do the ones that famous youtuber's do, they are simple and fun to play
like random block drops
dream typpa beat
carmine valley
so is it showing up in /plugins?
launching mc
bronze swan
yeah I have an idea of what I want to make even though it's a bit complex
hybrid spoke
yep I'm familiar with java already and I played around with plugin development a...
plan something unachievable
carmine valley
the more complex the more fun and the more you'll learn
hybrid spoke
if you dont know what you have to do, you will learn the most
bronze swan
I want to make use of something called multipaper so I can have hundreds of players in one map
so I need to develop something specifically to work with multipaper
carmine valley
oh multiverses plugin typpa beat?
west scarab
@EventHandler
public void clicker(PlayerInteractEvent event) {
Player p = event.getPlayer();
Block b = event.getClickedBlock();
UUID u = p.getPlayer().getUniqueId();
Integer bal = Balance.getOrDefault(u, 0);
Integer clicks = Clicks.getOrDefault(u, 0);
if (event.getAction() == Action.RIGHT_CLICK_BLOCK) {
Material o = b.getType();
b.setType(Material.OBSIDIAN);
Clicks.put(u, +1);
Integer give = getint(o);
Integer bal2 = bal+give;
String msg = color("&f&l+ &a$") + bal2 + " &f&l+ &e" + Clicks.get(u);
p.sendMessage(msg);
p.spigot().sendMessage(ChatMessageType.ACTION_BAR, new TextComponent(msg));
Bukkit.getServer().getScheduler().scheduleSyncDelayedTask(this, new Runnable() {
public void run() {
b.setType(o);
}
}, (3*20));
return;
}
}```
**why isn't it registering the click event?**?paste
undone axleBOT
bronze swan
multiverses is multiple worlds on one server right?
carmine valley
I want to work on smth like that too soon
drowsy helm
```java
@EventHandler
public void clicker(PlayerInteractEvent event) {
...
where are you registering it
carmine valley
multiverses is multiple worlds on one server right?
yup
west scarab
where are you registering it
on enable
drowsy helm
can you show me that code
bronze swan
multipaper is the opposite, it's multiple servers sharing the load of one world
west scarab
@Override
public void onEnable() {
Bukkit.getPluginManager().registerEvents(this, this);
getConfig().options();
saveDefaultConfig();
}```similar to mammoth, i made something similar my self good fun
carmine valley
@drowsy helm nope not showing /pl
drowsy helm
``` Bukkit.getPluginManager().registerEvents(this, this);
```
and its in the same class right
bronze swan
yeah I checked out mammoth unfortunately it's discontinued
mammoth recommended me to multipaper so that's what I'm going to try to use
west scarab
yes
drowsy helm
<@161073486968782849> nope not showing /pl
check your console logs again you should be getting an error
oh really? I thought it was still going
bronze swan
I think it only discontinued recently
west scarab
how are you sure its not working?
im clickin the block and nuthin is happening
drowsy helm
im clickin the block and nuthin is happening
put a print line in the first line of the event and see if it prints
see if its firing at all
and is your class implementing Listener?
west scarab
yep
bronze swan
do you know what hypixel and similar servers use to create a bunch of different lobbies and minigames in one server? is that the multiverses plugin or something similar?
west scarab
package lunarcore.core;
import net.md_5.bungee.api.ChatMessageType;
import net.md_5.bungee.api.chat.TextComponent;
import org.bukkit.*;
import org.bukkit.block.Block;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.plugin.java.JavaPlugin;
import java.util.HashMap;
import java.util.UUID;
public final class clickers extends JavaPlugin implements Listener {
@Override
public void onEnable() {
Bukkit.getPluginManager().registerEvents(this, this);
getConfig().options();
saveDefaultConfig();
}
public String color(String text) {
return ChatColor.translateAlternateColorCodes('&', text);
}
@EventHandler
public void clicker(PlayerInteractEvent event) {
Player p = event.getPlayer();
p.sendMessage("testing");
Block b = event.getClickedBlock();
UUID u = p.getPlayer().getUniqueId();
Integer bal = Balance.getOrDefault(u, 0);
Integer clicks = Clicks.getOrDefault(u, 0);
if (event.getAction() == Action.RIGHT_CLICK_BLOCK) {
Material o = b.getType();
b.setType(Material.OBSIDIAN);
Clicks.put(u, +1);
Integer give = getint(o);
Integer bal2 = bal+give;
String msg = color("&f&l+ &a$") + bal2 + " &f&l+ &e" + Clicks.get(u);
p.sendMessage(msg);
p.spigot().sendMessage(ChatMessageType.ACTION_BAR, new TextComponent(msg));
Bukkit.getServer().getScheduler().scheduleSyncDelayedTask(this, new Runnable() {
public void run() {
b.setType(o);
}
}, (3*20));
return;
}
}
private Integer getint(Material o) {
int i = 1;
int give = 0;
while(i < 16) {
if(o == Material.matchMaterial(getConfig().getString("clicker" + i).toUpperCase())) {
give = getConfig().getInt("amt" + i);
}
i++;
}
return give;
}
public static HashMap<UUID, Integer> Balance = new HashMap();
public static HashMap<UUID, Integer> Clicks = new HashMap();
}```bungeecord
carmine valley
check your console logs again you should be getting an error
no errors I could see
drowsy helm
do you know what hypixel and similar servers use to create a bunch of different ...
hypixel actually manually deploys their server instances
servers like minehut use kubernetes
and a heavily modified bungeecord
bronze swan
what does it mean to manually deploy your server instances?
drowsy helm
no errors I could see
im not too sure at this point
bronze swan
like what does it mean to "deploy" them
west scarab
```java
package lunarcore.core;
import net.md_5.bungee.api.ChatMessageType;
imp...
yea, idk what's wrong it SHOULD work
carmine valley
im not too sure at this point
it's like I don't even have the plugin in the folder
drowsy helm
it's like I don't even have the plugin in the folder
maybe decompile it and see if theres anything in the jar
bronze swan
how does bungeecord do it?
drowsy helm
bungeecord is whats called a proxy
all it does is take one ip and spread packets to different servers
carmine valley
maybe decompile it and see if theres anything in the jar
I will check my maven repos first
west scarab
proxies connect multiple servers together and can connect a player between each server
i thinkk
drowsy helm
yeah correct
bronze swan
are there disadvantages to using proxies over the way hypixel does it
bronze swan
wait so how is it different?
drowsy helm
proxies and server instancing are two different things
west scarab
basically say you buy 3 servers, you can configure them in a single bungeecord server (a proxy / hub server,) and then you can do /server (server name) once it's configured to connect.
drowsy helm
proxies are what manages traffic between servers, instancing is deciding what servers are in that network
bronze swan
so adding/removing servers from being managed by the proxy?
drowsy helm
yeah exactly
all the proxy does is make it so i can connect to all those servers through 1 ip
bronze swan
so just what servers are currently active and inactive
drowsy helm
yeah exactly
west scarab
so just what servers are currently active and inactive
👍
carmine valley
woah that's weird, I found that in my maven repo <java.version>1.8</java.version>
west scarab
```java
package lunarcore.core;
import net.md_5.bungee.api.ChatMessageType;
imp...
buoobuoo any idea?
carmine valley
woah that's weird, I found that in my maven repo ` <java.version>1.8</jav...
should this be 18 as in Java 18 or 1.18.2 as in mc 1.18.2
drowsy helm
buoobuoo any idea?
have you tried doing println on the event
and seeing if its firing at all
drowsy helm
should this be 18 as in Java 18 or 1.18.2 as in mc 1.18.2
nah 1.8 is fine
you should probably upgrade but its still fine to run with
slate mortar
should this be 18 as in Java 18 or 1.18.2 as in mc 1.18.2
it's the java release, not the mc version
carmine valley
what's that then?
drowsy helm
^ java version
bronze swan
MultiPaper is one big proxy
what if you wanted to travel between two different worlds that each take advantage of multipaper
carmine valley
it's the java release, not the mc version
isn't Java 18 out now?
bronze swan
what would that hierarchy look like
west scarab
have you tried doing println on the event
yea
slate mortar
i'd personally use 18 for 1.19 or 17 for 1.18
west scarab
it went in console
bronze swan
like a proxy that controls multiple other proxies?
carmine valley
I will change it to 17 and see if anything changes
drowsy helm
what would that hierarchy look like
I'm not too sure how multipaper works exactly but all it does is crates fake players on my server that im on to replicate other players
they are not technically there
bronze swan
yeah like npc characters that replicate the movements of players in other servers
drowsy helm
yeah
bronze swan
yep i've seen that in a few different games
drowsy helm
its just good because you are splitting actual game calculations to different servers
carmine valley
is this the right version to use for 1.18.2 ? cpp <groupId>org.spigotmc</groupId> <artifactId>spigot-api</artifactId> <version>1.18.2-R0.1-SNAPSHOT</version>
drowsy helm
all the server has to do is handle packets
drowsy helm
is this the right version to use for 1.18.2 ? ```cpp
<groupId>org.spigotmc</grou...
it should be fine, if it weren't you would be getting an error in console
drowsy helm
it went in console
so its firing then, meaning your event logic isn't correct somewhere
bronze swan
its just good because you are splitting actual game calculations to different se...
would plugins like mammoth and multipaper have issues with projectiles and other physics calculations
or is it fine
drowsy helm
if they are coded well they shouldn't have issues
bronze swan
that's what I was thinking
drowsy helm
but there is always a latency issue that will occur naturally
bronze swan
I have heard about issues with projectiles and such on servers that use similar architecture
drowsy helm
thats why mammoth never implemented pvp im pretty sure
bronze swan
oh it didn't?
drowsy helm
I might be wrong but in the early stages they didnt
carmine valley
hey buoo mind if I send you console ss to see if you can see anything that I'm not seeing?
drowsy helm
sure
bronze swan
I definitely cannot go without pvp in what I am trying to use multipaper for so I hope it doesn't have the same problem
drowsy helm
on my rpg server i split each world into a different server
upper tendon
As my server runs, it slowly uses more and more RAM, does that mean I have a memory leak, or...?
drowsy helm
and each town i did something called server meshing
carmine valley
https://prnt.sc/Z4lasnbYtiL7 @drowsy helm
drowsy helm
As my server runs, it slowly uses more and more RAM, does that mean I have a mem...
yep
bronze swan
and each town i did something called server meshing
how does that work?
drowsy helm
how does that work?
once they enter an area, put them on another server
carmine valley
https://prnt.sc/5H5yPMWasLJ5 @drowsy helm
bronze swan
oh yeah that's easy
bronze swan
did you do server meshing all over the server?
drowsy helm
Damn aiight
just use a profiler
bronze swan
was it all location based?
carmine valley
https://prnt.sc/08avURVWpt4C @drowsy helm
upper tendon
just use a profiler
yeah im on it
drowsy helm
https://prnt.sc/Z4lasnbYtiL7 <@161073486968782849>
"unsupported API version: 1.18.2"
drowsy helm
was it all location based?
so for each major town i made it's own server instance and major pvp zones i made it's own
drowsy helm
and each town had a different amount of instances depending on the player capacity
drowsy helm
so the version is the problem?
yeah just update both to latest 1.18.2
should be fine
carmine valley
it's already 1.18.2
drowsy helm
latest 1.18.2 though?
drowsy helm
and the version your server is running
bronze swan
so for each major town i made it's own server instance and major pvp zones i mad...
that sort of location based approach probably wouldn't work for me because my server won't have designated zones in the way yours does, it's more of a vanilla minecraft approach so players will be all over the place and should be able to pvp with someone as long as they can each see each other
do you have any suggestions for how I should structure that
drowsy helm
tahts sorta how mine was structured
will it be very pvp centric?
if so probably your best option is to instance per world
so 1 instance for nether, 1 for overworld, and 1 for end
thats probs the best you can do
bronze swan
will it be very pvp centric?
yes, pvp will be the main focus
idk if that would work for me if I want a larger worl
world
also that's a good point to make I didn't even consider the other dimensions
drowsy helm
yeah it atleast spreads the load by 3
but as for regular survival you don't really have much options
if you're a REALLY good coder you could implement server meshing for each few hundred chunks
but then again you can run into issues
bronze swan
idk if server meshing based on location is a good approach for me
drowsy helm
yeah probably not
whats your projected player count?
probably the biggest issue with pvp survival is that you can't vertically scale, you're limited to one server
bronze swan
whats your projected player count?
hopefully an ever increasing amount if my server doesn't crash and burn lol
I want to be able to scale as much as I need to
carmine valley
@drowsy helm https://prnt.sc/_tR6apUGcnvM
drowsy helm
<@161073486968782849> https://prnt.sc/_tR6apUGcnvM
lesgo
carmine valley
I just deleted the api-version line from my plugin.yml file and it works fine now
than you very much for the help, I really appreciate it <3
drowsy helm
I want to be able to scale as much as I need to
your best option might just be have multiple survival servers
but that splits your community
bronze swan
yeah that's not what I want
drowsy helm
than you very much for the help, I really appreciate it <3
nws 🙂
bronze swan
otherwise I wouldn't use multipaper at all and would just make multiple survival servers
what appeals to me about multipaper is that i want to have hundreds of players all fighting and competing in one big world
drowsy helm
yeah i dont really think you can. Like i've seen survival servers with 300+ players
but they have some serious fucking server power
bronze swan
yeah but multipaper's whole purpose is to spread the load
mammoth could host 1000 players in one area in the example I saw
drowsy helm
yeah
if it was non pvp, you could easily do that
im not entire sure on the latency though
bronze swan
what complicates it when pvp is involved
drowsy helm
if its two servers on the same network, i dont think it would honestly be that bad
bronze swan
what do you mean
drowsy helm
like say you had 2 nodes on multipaper if they are on the same network the latency would not be bad for pvp
bronze swan
oh I was just using 2 as an example
I would probably have many more as the server expands
drowsy helm
yeah either way if all of them are on the same lan the latency would be minimal
torn shuttle
I am having the world's most specific issue, I was trying to put a schematic file in the resources of my plugin but compiling the plugin makes the gson compression break on the schematic, rendering it unusable. Has anyone else had this issue?
drowsy helm
oh sup magma havent seen you in a while
bronze swan
how might I break up the load if not by set locations
drowsy helm
aside from multipaper, nothing really
multipaper ise more designed for mmo rpgs though
not survival
bronze swan
does multipaper only let you break up servers by set locations?
bronze swan
I'm trying to figure out what way I should break up the load
drowsy helm
yeah im trying to say for survival there is none
thats why you dont see huge survival servers
drowsy helm
logistically there isnt a way without big latency issues or other inconveniences
bronze swan
i would think this would be a solved problem considering how many massive mmos use similar technology though
bronze swan
actual mmos
torn shuttle
actual modern mmos do layering these days
drowsy helm
most mmos use location based server meshing
bronze swan
all of the minecraft mmos i've seen have been confined to a set area
what if your mmo isn't confined to a small area
bronze swan
I just don't think location based server meshing is the only way to go about things
could you do like region based server meshing or something?
drowsy helm
wdym region based?
bronze swan
like all players in a certain region are managed by the same server
or multiple servers dedicated to that region
bronze swan
what if you made a system that puts players onto the same server the moment they start to engage in combat
bronze swan
so you should only set what server a player is on when they first join?
how did you avoid loading screens when moving to different spots on your map
or did you?
drowsy helm
i didnt, i just minimised them as much as possible
there was still loading but only like 2-3 seconds
but that took a lot of server jar modification
bronze swan
well I don't know what to do if there is no reasonable way to dynamically adjust what server a player is on without annoying loading screens
drowsy helm
yeah for survival there just isnt
bronze swan
I'm determined to find a way to make it work
drowsy helm
aside from dimension instances, thats it
west scarab
hey @drowsy helm quick question, in configs how do you get the children thingys you were talkin abt?
like with the "- " 's
what would the path be ^^
drowsy helm
hey <@161073486968782849> quick question, in configs how do you get the children...
a:
- b: test
would be
a.b
ignore my spacing in the yml its probably off
drowsy helm
yeah it would be a.b
node1:
- node2:
- node3:
node1.node2.node3 to get the last node
bronze swan
aside from dimension instances, thats it
so when a player is sent to another server you have the same loading times you would as if you were actually joining another completely seperate minecraft server
drowsy helm
so when a player is sent to another server you have the same loading times you w...
yeah
no way to avoid it
bronze swan
in mmo games when you travel between different areas do you typically have an accompanying loading screen
I wouldn't think so right
bronze swan
so minecraft's server code needs to change in order for this to be in any way possible
drowsy helm
yeah pretty much
upper tendon
I ran a memory analysis on my plugin, and there's nothing really concerning... the program says the PlayerChunkMap and ChunkProviderServer are "leading suspects," but obviously I don't think that's the issue. And in terms of objects of my classes, there's only an amount of each that there should be... so why would I keep gaining memory usage in my server over time?
drowsy helm
I ran a memory analysis on my plugin, and there's nothing really concerning... t...
do you see any spikes during particular events?
upper tendon
No, it just slowly increases until it maxes out at the 8gigs I assigned...
drowsy helm
e.g player joining, leaving, breaking blocks, typing command etc
bronze swan
no but mmos use their own server code
do you know what specifically has to change in minecraft's server code to accomplish zero loading screens between interconnected servers
drowsy helm
if its over time i would check out your runnables
make sure you arent holding hard references to Player
drowsy helm
do you know what specifically has to change in minecraft's server code to accomp...
no not really. It's not open source so we can't tell.
and i really doubt microsoft want's to remake the notchian server any time soon
bronze swan
if the two servers are physically very close to one another will there be a lot of latency between them?
upper tendon
if its over time i would check out your runnables
this is my only repeating task
drowsy helm
if they are on the same network the latency should be really low
bronze swan
pvp would probably work if all of your servers are on the same network then right
without the need for either of the players' server to change or anything
drowsy helm
this is my only repeating task
try and increase how fast it is and see if your memory goes up faster
upper tendon
kk
drowsy helm
pvp would probably work if all of your servers are on the same network then righ...
yeah it should not sure how well multipaper handles it though
bronze swan
oh so this can be a lot simpler than I thought I just need to ensure that servers have very minimal latency
isn't latency an issue in many individual servers with pvp anyways?
drowsy helm
yeah exactly, as long as the servers are on the same lan, a modern datacenter should not have much latency
bronze swan
like latency between players
drowsy helm
yeah, but it just adds on top
bronze swan
yeah definitely
but that's the challenge that comes with this kind of scaling
I think this idea is pretty feasible
drowsy helm
tell me how it goes
bronze swan
actually I still don't understand how to fix the issue
I obviously still need to update the players' server as they move around still
but I cannot have any loading screens or anything of that nature
that would be terrible in a competitive pvp environment
drowsy helm
multipaper does all of that for you
bronze swan
yeah but with significant drawbacks to the actual gameplay
drowsy helm
or were you planning on making your own implementation
bronze swan
I'm not sure
bronze swan
like constant loading screens as you move around
wait
that wouldn't be a problem nevermind
I fried my brain talking about this so much lol it should be fine
bronze swan
as long as the player isn't changing their server it should be fine
I think region based server meshing would work fine
and makes the most sense for what I want to do
drowsy helm
i mean logically it would be best aswell
players on at the same time are most likely in the same timezone
bronze swan
yeah exactly
drowsy helm
but your proxy would still bottleneck it
drowsy helm
you can only have 1 proxy, if the proxy is in the US and say your node is in Australia, the people on the Australian nodes still have to go through the US proxy
bronze swan
the proxy is what the player connects to in order to join the server right?
so every action would have to go through the proxy?
drowsy helm
yeah
upper tendon
try and increase how fast it is and see if your memory goes up faster
That didn't do anything... I have no clue anymore lol
upper tendon
No it's just a bingo game I made for practice
drowsy helm
send through the repo
bronze swan
@drowsy helmmay i send you an image in your direct messages?