(1.16.5) Player Capabilities help

[Zanckor]

Eya, I need some help to add capabilities to the player.

I want just to add simple NBT to the player, like booleans and int, no more, but I've been searching for information since 1 or 2 weeks ago and every guide or github do the capabilities different, i've seen like 6 differents forms or more to do the capabilities but i dont understand it, some people make only 1 class, others makes like 8...

So, I hope if anybody can give me a little example and can explain it a bit to me, thanks!

[Luis_ST]

you can take a look at the doc or at this example

[Zanckor]

2 hours ago, Luis_ST said:

you can take a look at the doc or at this example

A lot of this code is not working, are you sure that is for 1.16.5?

Edited February 17, 2022 by Zanckor

[Luis_ST]

it's for 1.18 but the doc exists for 1.16, also show your code and define 'not working'

[Zanckor]

5 minutes ago, Luis_ST said:

it's for 1.18 but the doc exists for 1.16, also show your code and define 'not working'

well, a lot of code errors, but if its for 1.18 that explains all

[Zanckor]

Ok, I done all of the capability system, i think, so, this should work? Or im missing something?

That should work on players?

 

https://github.com/Zanckor/mmorpg/tree/main/src/main/java/com/mod

 

Edited February 17, 2022 by Zanckor

[Luis_ST]

where is your CapabilityProvider, also i would recommend you to ignore the CapabilityStorage since it's unused

[Zanckor]

K, tnks, so, i need to add the provider and delete storage?

 

Btw, what do the storage??

[Zanckor]

okay, i done everything but still dont works

 

when i try to open the game to test the capabilities it crash... there's my code and crash-log:

 

code:

https://github.com/Zanckor/mmorpg

 

crash-log:

 

Quote

 

Description: Ticking player

java.lang.ClassFormatError: Illegal field modifiers in class com/mod/capabilities/Capabilities: 0x1009
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_231] {}
    at java.lang.ClassLoader.defineClass(ClassLoader.java:756) ~[?:1.8.0_231] {}
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:138) ~[modlauncher-8.0.9.jar:?] {re:classloading}
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) ~[modlauncher-8.0.9.jar:?] {re:classloading}
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_231] {}
    at com.mod.handlers.ModEventHandler.onPlayerTick(ModEventHandler.java:33) ~[main/:?] {re:classloading}
    at net.minecraftforge.eventbus.ASMEventHandler_4_ModEventHandler_onPlayerTick_PlayerTickEvent.invoke(.dynamic) ~[?:?] {}
    at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.fml.hooks.BasicEventHooks.onPlayerPreTick(BasicEventHooks.java:85) ~[forge:?] {re:classloading}
    at net.minecraft.entity.player.PlayerEntity.tick(PlayerEntity.java:196) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.entity.player.ServerPlayerEntity.doTick(ServerPlayerEntity.java:404) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.network.play.ServerPlayNetHandler.tick(ServerPlayNetHandler.java:207) ~[forge:?] {re:classloading}
    at net.minecraft.network.NetworkManager.tick(NetworkManager.java:226) ~[forge:?] {re:classloading}
    at net.minecraft.network.NetworkSystem.tick(NetworkSystem.java:134) ~[forge:?] {re:classloading}
    at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:865) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:787) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.integrated.IntegratedServer.tickServer(IntegratedServer.java:78) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:642) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:232) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_231] {}

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_231] {}
    at java.lang.ClassLoader.defineClass(ClassLoader.java:756) ~[?:1.8.0_231] {}
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:138) ~[modlauncher-8.0.9.jar:?] {re:classloading}
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) ~[modlauncher-8.0.9.jar:?] {re:classloading}
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[?:1.8.0_231] {}
    at com.mod.handlers.ModEventHandler.onPlayerTick(ModEventHandler.java:33) ~[main/:?] {re:classloading}
    at net.minecraftforge.eventbus.ASMEventHandler_4_ModEventHandler_onPlayerTick_PlayerTickEvent.invoke(.dynamic) ~[?:?] {}
    at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.fml.hooks.BasicEventHooks.onPlayerPreTick(BasicEventHooks.java:85) ~[forge:?] {re:classloading}
    at net.minecraft.entity.player.PlayerEntity.tick(PlayerEntity.java:196) ~[forge:?] {re:classloading,pl:accesstransformer:B}
-- Player being ticked --
Details:
    Entity Type: minecraft:player (net.minecraft.entity.player.ServerPlayerEntity)
    Entity ID: 152
    Entity Name: Dev
    Entity's Exact location: -170.74, 66.00, -81.88
    Entity's Block location: World: (-171,66,-82), Chunk: (at 5,4,14 in -11,-6; contains blocks -176,0,-96 to -161,255,-81), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
    Entity's Momentum: 0.00, -0.08, 0.00
    Entity's Passengers: []
    Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
    at net.minecraft.entity.player.ServerPlayerEntity.doTick(ServerPlayerEntity.java:404) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.network.play.ServerPlayNetHandler.tick(ServerPlayNetHandler.java:207) ~[forge:?] {re:classloading}
    at net.minecraft.network.NetworkManager.tick(NetworkManager.java:226) ~[forge:?] {re:classloading}
    at net.minecraft.network.NetworkSystem.tick(NetworkSystem.java:134) ~[forge:?] {re:classloading}
    at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:865) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:787) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.integrated.IntegratedServer.tickServer(IntegratedServer.java:78) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:642) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:232) ~[forge:?] {re:classloading,pl:accesstransformer:B}
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_231] {}

 

 

[Zanckor]

1 hour ago, diesieben07 said:

Make sure you are using Java 8 for both compiling and running the game.

where can i check it?

 

[Zanckor]

4 minutes ago, diesieben07 said:

What IDE are you using and how are you starting the game?

I'm using Eclipse, and to start it i just go to the icon "Start" and select the option runClient

 

[Zanckor]

Maybe is my gradle? Cause it shows me this error:

 

"Could not run phased build action using a connection to Gradle distribution 'https://services.gradle.org/distributions/gradle-6.8.1-all.zip'.

[Zanckor]

Okay, i'm idiot, i put the capabilities.class like interface xD, so, how can i get the capabilitie now? like, make a player.getMana()

 

And, btw, i read that i need to send the information from the server to the client when i change my capabilities, how can i make it?

[Luis_ST]

Player#getCapability

Quote

And, btw, i read that i need to send the information from the server to the client when i change my capabilities, how can i make it?

you need a custom Network Packet (Message) and a SimpleChannel, you can read the doc

Edited February 19, 2022 by Luis_ST

[Zanckor]

Mhh, when i try to access to them it crash me.

 

My github:

https://github.com/Zanckor/mmorpg

 

Crash:

 

Time: 20/02/22 18:16 Description: Ticking memory connection java.lang.NullPointerException: Ticking memory connection at com.mod.capabilities.MyCapabilityProvider.<init>(MyCapabilityProvider.java:11) ~[main/:?] {re:classloading} at com.mod.capabilities.Capabilities.attachCapabilities(Capabilities.java:31) ~[main/:?] {re:classloading,pl:capability_inject_definalize:A} at net.minecraftforge.eventbus.ASMEventHandler_3_Capabilities_attachCapabilities_AttachCapabilitiesEvent.invoke(.dynamic) ~[?:?] {} at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-4.0.0.jar:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-4.0.0.jar:?] {} at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {} at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:579) ~[forge:?] {re:classloading} at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:573) ~[forge:?] {re:classloading} at net.minecraftforge.common.capabilities.CapabilityProvider.gatherCapabilities(CapabilityProvider.java:48) ~[forge:?] {re:classloading} at net.minecraftforge.common.capabilities.CapabilityProvider.gatherCapabilities(CapabilityProvider.java:44) ~[forge:?] {re:classloading} at net.minecraft.entity.Entity.<init>(Entity.java:221) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.entity.LivingEntity.<init>(LivingEntity.java:205) ~[forge:?] {re:classloading} at net.minecraft.entity.player.PlayerEntity.<init>(PlayerEntity.java:159) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.entity.player.ServerPlayerEntity.<init>(ServerPlayerEntity.java:179) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.management.PlayerList.getPlayerForLogin(PlayerList.java:406) ~[forge:?] {re:classloading} at net.minecraft.network.login.ServerLoginNetHandler.handleAcceptedLogin(ServerLoginNetHandler.java:118) ~[forge:?] {re:classloading} at net.minecraft.network.login.ServerLoginNetHandler.tick(ServerLoginNetHandler.java:65) ~[forge:?] {re:classloading} at net.minecraft.network.NetworkManager.tick(NetworkManager.java:222) ~[forge:?] {re:classloading} at net.minecraft.network.NetworkSystem.tick(NetworkSystem.java:134) ~[forge:?] {re:classloading} at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:865) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:787) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.integrated.IntegratedServer.tickServer(IntegratedServer.java:78) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A} at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:642) ~[forge:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:232) ~[forge:?] {re:classloading,pl:accesstransformer:B} at java.lang.Thread.run(Thread.java:748) [?:1.8.0_231] {}

Edited February 20, 2022 by Zanckor

[Zanckor]

There's any way to send the capaiblities from PlayerTickEvent and save them into Server side without packets?

Edited February 23, 2022 by Zanckor

[Luis_ST]

no, you need a custom Packet if you want to send data from server to client

15 hours ago, Zanckor said:

send the capaiblities from PlayerTickEvent

this is a terrible idea, do not send data each tick, send the data only if it changed

Edited February 24, 2022 by Luis_ST