- src/main/resources/META-INF/accesstransformer.cfg

public-f net.minecraft.world.entity.ai.attributes.RangedAttribute f_22308_ # maxValue

- in build.gradle...

minecraft {
    accessTransformer = file('src/main/resources/META-INF/accesstransformer.cfg')
}

- Main Class

@Mod("x100health")
@Mod.EventBusSubscriber
public class X100health {

    public X100health() {
        MinecraftForge.EVENT_BUS.register(this);
    }
    @SubscribeEvent
    public void on(FMLCommonSetupEvent e) {
        e.enqueueWork(() -> {
            replaceAttributeValue((RangedAttribute) Attributes.MAX_HEALTH, 131072);
        });
    }
    protected static void replaceAttributeValue(RangedAttribute attribute, double maxValue) {
        attribute.maxValue = maxValue;
    }

    //private static final AttributeModifier x100MaxHealth = new AttributeModifier(LivingEntity.MAX_HEALTH, "x100 Max Health", 100, AttributeModifier.Operation.MULTIPLY_BASE);
    @SubscribeEvent
    public void onMobSpawn(EntityJoinWorldEvent e) {

        if (e.getEntity() instanceof Mob) {
            Mob mob = (Mob) e.getEntity();
            mob.getAttribute(Attributes.MAX_HEALTH).setBaseValue(mob.getAttribute(Attributes.MAX_HEALTH).getBaseValue() * 100);
            //mob.getAttribute(Attributes.MAX_HEALTH).addTransientModifier(x100MaxHealth);
            mob.setHealth(mob.getHealth() * 100);
        }

    }
}

but... mob didnt get max health over 1024....

AT didnt work....

did you refresh the gradle dependencies?

1 hour ago, Luis_ST said:

did you refresh the gradle dependencies?

yes! but.. didnt work..
Do you want me to connect this project with GitHub?

Edited February 17, 20223 yr by IPECTER

It's been solved. Thank you so much for helping me.