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Hi, don't know what I'm doing wrong I'm trying to attach a capability to a player 

IChakra

package com.moyas1009.mnarutomod.capabilities;

public interface IChakra
{
    public void consume(float points);
    public void fill(float points);
    public void set(float points);
    public float getChakra();
}

Chakra

package com.moyas1009.mnarutomod.capabilities;

public class Chakra implements IChakra
{
    private float chakra = 250F;
    @Override
    public void consume(float points)
    {
        this.chakra -= points;
        if (this.chakra < 0.0f)
        {
            this.chakra = 0.0f;
        }
    }

    @Override
    public void fill(float points)
    {
        this.chakra += points;
    }

    @Override
    public void set(float points)
    {
        this.chakra = points;
    }

    @Override
    public float getChakra() {
        return chakra;
    }
}

ChakraCapability

package com.moyas1009.mnarutomod.capabilities;

import net.minecraft.nbt.FloatNBT;
import net.minecraft.util.Direction;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.common.capabilities.CapabilityInject;
import net.minecraftforge.common.capabilities.CapabilityManager;
import net.minecraftforge.common.capabilities.ICapabilitySerializable;
import net.minecraftforge.common.util.LazyOptional;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class ChakraCapability implements ICapabilitySerializable<FloatNBT>
{
    @CapabilityInject(IChakra.class)
    public static final Capability<Chakra> CHAKRA_CAPABILITY = null;
    private LazyOptional<Chakra> instance = LazyOptional.of(CHAKRA_CAPABILITY::getDefaultInstance);

    public static void register()
    {
        CapabilityManager.INSTANCE.register(IChakra.class, new ChakraStorage(), Chakra::new);
    }

    @Nonnull
    @Override
    public <T> LazyOptional<T> getCapability(@Nonnull Capability<T> cap, @Nullable Direction side)
    {
        return CHAKRA_CAPABILITY.orEmpty(cap, instance);
    }

    @Override
    public FloatNBT serializeNBT()
    {
        return (FloatNBT) CHAKRA_CAPABILITY.getStorage().writeNBT(CHAKRA_CAPABILITY, instance.orElseThrow(() -> new IllegalArgumentException("LazyOptional cannot be empty")), null);
    }

    @Override
    public void deserializeNBT(FloatNBT nbt)
    {
        CHAKRA_CAPABILITY.getStorage().readNBT(CHAKRA_CAPABILITY, instance.orElseThrow(() -> new IllegalArgumentException("LazyOptional cannot be empty")), null, nbt);
    }
}

ChakraStorage

package com.moyas1009.mnarutomod.capabilities;

import net.minecraft.command.arguments.NBTCompoundTagArgument;
import net.minecraft.command.arguments.NBTTagArgument;
import net.minecraft.nbt.CompoundNBT;
import net.minecraft.nbt.FloatNBT;
import net.minecraft.nbt.INBT;
import net.minecraft.util.Direction;
import net.minecraftforge.common.capabilities.Capability;

import javax.annotation.Nullable;

public class ChakraStorage implements Capability.IStorage<IChakra>
{

    @Nullable
    @Override
    public INBT writeNBT(Capability<IChakra> capability, IChakra instance, Direction side) {
        return FloatNBT.valueOf(instance.getChakra());
    }

    @Override
    public void readNBT(Capability<IChakra> capability, IChakra instance, Direction side, INBT nbt)
    {
        if (!(instance instanceof Chakra))
            throw new IllegalArgumentException("Can not deserialize to an instance that isn't the default implementation");
        instance.set(((FloatNBT)nbt).getFloat());
    }
}

CapabilityHandler

@Mod.EventBusSubscriber(modid = NarutoMod.MOD_ID, bus = Mod.EventBusSubscriber.Bus.MOD)
public class CapabilityHandler {
    public static final ResourceLocation PLAYER_CHAKRA = new ResourceLocation(NarutoMod.MOD_ID, "chakra");

    @SubscribeEvent
    public void attachCapability(AttachCapabilitiesEvent<Entity> event)
    {
        if (event.getObject() instanceof PlayerEntity)
            event.addCapability(PLAYER_CHAKRA, new ChakraCapability());

        Logger logger = LogManager.getLogger();
        logger.log(Level.DEBUG, "It fires");
    }
}

My problem is whenever I create a world to test there doesn't seem to be a capability attatched to my player, I check the nbt tags with the /data command and with an nbt editor and the capability doesn't show up

 

Posted
3 hours ago, diesieben07 said:
  • You are using the wrong event bus for AttachCapabilitiesEvent.
  • @EventBusSubscriber only works for static event handler methods.

So do I need to subscribe it in my main class or what ?

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