[SOLVED] [1.15.2] Registry Object not present for ProjectileItemEntity registration

Slexom · June 19, 2020

Hi~
Here again with another stupid problem...

This time I'm trying to register a new projectile following how the Snowball is make. I'm registering the entity like any other entity in the project but this one throw this error. Whats wrong this time? XD

Log

[19giu2020 20:58:43.075] [modloading-worker-0/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/]: Exception caught during firing event: Registry Object not present: earthtojavamobs:melon_seed_projectile
	Index: 1
	Listeners:
		0: NORMAL
		1: ASM: class net.slexom.earthtojavamobs.client.ClientModEventSubscriber onFMLClientSetupEvent(Lnet/minecraftforge/fml/event/lifecycle/FMLClientSetupEvent;)V
java.lang.NullPointerException: Registry Object not present: earthtojavamobs:melon_seed_projectile
	at java.util.Objects.requireNonNull(Objects.java:290)
	at net.minecraftforge.fml.RegistryObject.get(RegistryObject.java:92)
	at net.slexom.earthtojavamobs.client.ClientModEventSubscriber.onFMLClientSetupEvent(ClientModEventSubscriber.java:74)
	at net.minecraftforge.eventbus.ASMEventHandler_4_ClientModEventSubscriber_onFMLClientSetupEvent_FMLClientSetupEvent.invoke(.dynamic)
	at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.fireEvent(FMLModContainer.java:106)
	at java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
	at java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
	at net.minecraftforge.fml.ModContainer.transitionState(ModContainer.java:112)
	at net.minecraftforge.fml.ModList.lambda$null$10(ModList.java:135)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
	at java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:291)
	at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1870)
	at java.util.concurrent.ForkJoinPool.awaitJoin(ForkJoinPool.java:2045)
	at java.util.concurrent.ForkJoinTask.doInvoke(ForkJoinTask.java:404)
	at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:734)
	at java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:160)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:583)
	at net.minecraftforge.fml.ModList.lambda$dispatchParallelEvent$11(ModList.java:135)
	at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1386)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

[19giu2020 20:58:43.083] [modloading-worker-0/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Caught exception during event FMLClientSetupEvent dispatch for modid earthtojavamobs
java.lang.NullPointerException: Registry Object not present: earthtojavamobs:melon_seed_projectile
	at java.util.Objects.requireNonNull(Objects.java:290) ~[?:1.8.0_231]
	at net.minecraftforge.fml.RegistryObject.get(RegistryObject.java:92) ~[forge-1.15.2-31.2.0_mapped_snapshot_20200618-1.15.1-recomp.jar:?]
	at net.slexom.earthtojavamobs.client.ClientModEventSubscriber.onFMLClientSetupEvent(ClientModEventSubscriber.java:74) ~[main/:?]
	at net.minecraftforge.eventbus.ASMEventHandler_4_ClientModEventSubscriber_onFMLClientSetupEvent_FMLClientSetupEvent.invoke(.dynamic) ~[?:?]
	at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80) ~[eventbus-2.2.0-service.jar:?]
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258) ~[eventbus-2.2.0-service.jar:?]
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.fireEvent(FMLModContainer.java:106) ~[?:31.2]
	at java.util.function.Consumer.lambda$andThen$0(Consumer.java:65) ~[?:1.8.0_231]
	at java.util.function.Consumer.lambda$andThen$0(Consumer.java:65) ~[?:1.8.0_231]
	at net.minecraftforge.fml.ModContainer.transitionState(ModContainer.java:112) ~[?:?]
	at net.minecraftforge.fml.ModList.lambda$null$10(ModList.java:135) ~[?:?]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) ~[?:1.8.0_231]
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) ~[?:1.8.0_231]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) ~[?:1.8.0_231]
	at java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:291) ~[?:1.8.0_231]
	at java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731) ~[?:1.8.0_231]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1870) ~[?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool.awaitJoin(ForkJoinPool.java:2045) ~[?:1.8.0_231]
	at java.util.concurrent.ForkJoinTask.doInvoke(ForkJoinTask.java:404) ~[?:1.8.0_231]
	at java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:734) ~[?:1.8.0_231]
	at java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:160) ~[?:1.8.0_231]
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:174) ~[?:1.8.0_231]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233) ~[?:1.8.0_231]
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:1.8.0_231]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:583) ~[?:1.8.0_231]
	at net.minecraftforge.fml.ModList.lambda$dispatchParallelEvent$11(ModList.java:135) ~[?:?]
	at java.util.concurrent.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1386) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_231]
[19giu2020 20:58:43.100] [Server-Worker-1/FATAL] [net.minecraftforge.fml.ModLoader/LOADING]: Failed to complete lifecycle event SIDED_SETUP, 1 errors found
[19giu2020 20:58:43.101] [Server-Worker-1/FATAL] [net.minecraftforge.eventbus.EventBus/EVENTBUS]: EventBus 0 shutting down - future events will not be posted.
java.lang.Exception: stacktrace
	at net.minecraftforge.eventbus.EventBus.shutdown(EventBus.java:278) ~[eventbus-2.2.0-service.jar:?]
	at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$5(ClientModLoader.java:115) ~[?:?]
	at net.minecraftforge.fml.client.ClientModLoader.startModLoading(ClientModLoader.java:123) ~[?:?]
	at net.minecraftforge.fml.client.ClientModLoader.lambda$onreload$3(ClientModLoader.java:105) ~[?:?]
	at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$5(ClientModLoader.java:113) ~[?:?]
	at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1626) [?:1.8.0_231]
	at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1618) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_231]
[19giu2020 20:58:43.893] [Forge Version Check/INFO] [net.minecraftforge.fml.VersionChecker/]: [forge] Found status: UP_TO_DATE Current: 31.2.0 Target: null
[19giu2020 20:58:43.894] [Forge Version Check/INFO] [net.minecraftforge.fml.VersionChecker/]: [earthtojavamobs] Starting version check at https://raw.githubusercontent.com/Slexom/earth2java/master/update.json
[19giu2020 20:58:45.573] [Forge Version Check/INFO] [net.minecraftforge.fml.VersionChecker/]: [earthtojavamobs] Found status: UP_TO_DATE Current: 1.3.0 Target: null
[19giu2020 20:59:11.644] [Server-Worker-1/ERROR] [net.minecraftforge.fml.ModLoader/LOADING]: Skipping lifecycle event ENQUEUE_IMC, 1 errors found.
[19giu2020 20:59:11.645] [Server-Worker-1/FATAL] [net.minecraftforge.fml.ModLoader/LOADING]: Failed to complete lifecycle event ENQUEUE_IMC, 1 errors found
[19giu2020 20:59:11.645] [Server-Worker-1/FATAL] [net.minecraftforge.eventbus.EventBus/EVENTBUS]: EventBus 0 shutting down - future events will not be posted.
java.lang.Exception: stacktrace
	at net.minecraftforge.eventbus.EventBus.shutdown(EventBus.java:278) ~[eventbus-2.2.0-service.jar:?]
	at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$5(ClientModLoader.java:115) ~[?:?]
	at net.minecraftforge.fml.client.ClientModLoader.finishModLoading(ClientModLoader.java:137) ~[?:?]
	at net.minecraftforge.fml.client.ClientModLoader.lambda$onreload$4(ClientModLoader.java:107) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniRun(CompletableFuture.java:705) [?:1.8.0_231]
	at java.util.concurrent.CompletableFuture$UniRun.tryFire(CompletableFuture.java:687) [?:1.8.0_231]
	at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) [?:1.8.0_231]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_231]

Entity

public class MelonSeedProjectileEntity extends ProjectileItemEntity {
    public MelonSeedProjectileEntity(EntityType<? extends MelonSeedProjectileEntity> p_i50159_1_, World p_i50159_2_) {
        super(p_i50159_1_, p_i50159_2_);
    }

    public MelonSeedProjectileEntity(World worldIn, LivingEntity throwerIn) {
        super(EntityTypesInit.MelonSeedProjectile.registryObject.get(), throwerIn, worldIn);
    }

    public MelonSeedProjectileEntity(World worldIn, double x, double y, double z) {
        super(EntityTypesInit.MelonSeedProjectile.registryObject.get(), x, y, z, worldIn);
    }

    protected Item getDefaultItem() {
        return Items.MELON_SEEDS;
    }

    @OnlyIn(Dist.CLIENT)
    private IParticleData makeParticle() {
        ItemStack itemstack = this.func_213882_k();
        return (IParticleData) (itemstack.isEmpty() ? ParticleTypes.ITEM_SNOWBALL : new ItemParticleData(ParticleTypes.ITEM, itemstack));
    }

    @OnlyIn(Dist.CLIENT)
    public void handleStatusUpdate(byte id) {
        if (id == 3) {
            IParticleData iparticledata = this.makeParticle();
            for (int i = 0; i < 8; ++i) {
                this.world.addParticle(iparticledata, this.getPosX(), this.getPosY(), this.getPosZ(), 0.0D, 0.0D, 0.0D);
            }
        }
    }

    protected void onImpact(RayTraceResult result) {
        if (result.getType() == RayTraceResult.Type.ENTITY) {
            Entity entity = ((EntityRayTraceResult) result).getEntity();
            int i = entity instanceof MelonGolemEntity ? 4 : 0;
            entity.attackEntityFrom(DamageSource.causeThrownDamage(this, this.getThrower()), (float) i);
        }
        if (!this.world.isRemote) {
            this.world.setEntityState(this, (byte) 3);
            this.remove();
        }
    }
}

EntityInit

public class EntityTypesInit {

    ...

    public static final class MelonSeedProjectile {
        public static final String registryName = "melon_seed_projectile";
        public static final RegistryObject<EntityType<MelonSeedProjectileEntity>> registryObject = ENTITY_TYPES.register(
                registryName,
                () -> EntityType.Builder.<MelonSeedProjectileEntity>create(MelonSeedProjectileEntity::new, EntityClassification.MISC)
                        .size(0.25F, 0.25F)
                        .build(new ResourceLocation(EarthtojavamobsMod.MOD_ID, registryName).toString())
        );
    }
 
    ...

}

Renderer Register

 @SubscribeEvent
    public static void onFMLClientSetupEvent(final FMLClientSetupEvent event) {

         ...

         RenderingRegistry.registerEntityRenderingHandler(EntityTypesInit.MelonSeedProjectile.registryObject.get(), renderManagerIn -> new SpriteRenderer<MelonSeedProjectileEntity>(renderManagerIn, Minecraft.getInstance().getItemRenderer()));
 
    }

Edited June 20, 2020 by Slexom

Slexom · June 20, 2020

Any solution? I really can't see what I'm doing wrong.

Slexom · June 20, 2020

18 minutes ago, diesieben07 said:

Where is this coming from and where is it registered?

ENTITY_TYPES is the register where I have all the entities.

public class EntityTypesInit {

    public static final DeferredRegister<EntityType<?>> ENTITY_TYPES = new DeferredRegister<>(ForgeRegistries.ENTITIES, EarthtojavamobsMod.MOD_ID);

...

    public static final class MelonSeedProjectile {
        public static final String registryName = "melon_seed_projectile";
        public static final RegistryObject<EntityType<MelonSeedProjectileEntity>> registryObject = ENTITY_TYPES.register(
                registryName,
                () -> EntityType.Builder.<MelonSeedProjectileEntity>create(MelonSeedProjectileEntity::new, EntityClassification.MISC)
                        .size(0.25F, 0.25F)
                        .build(new ResourceLocation(EarthtojavamobsMod.MOD_ID, registryName).toString())
        );
    }
                  
...
                  
}

Is called from the mod constructor


@Mod(EarthtojavamobsMod.MOD_ID)
public class EarthtojavamobsMod {

    public static final String MOD_ID = "earthtojavamobs";

    public EarthtojavamobsMod() {
        final ModLoadingContext modLoadingContext = ModLoadingContext.get();
        final IEventBus modEventBus = FMLJavaModLoadingContext.get().getModEventBus();
        FluidInit.FLUIDS.register(modEventBus);
        BlockInit.BLOCKS.register(modEventBus);
        EntityTypesInit.ENTITY_TYPES.register(modEventBus); // <--- CALLED HERE
        ItemInit.ITEMS.register(modEventBus);
        RecipesInit.RECIPES.register(modEventBus);
        modEventBus.register(this);
        modEventBus.addListener(this::setup);

        modLoadingContext.registerConfig(ModConfig.Type.CLIENT, ConfigHolder.CLIENT_SPEC);
        modLoadingContext.registerConfig(ModConfig.Type.SERVER, ConfigHolder.SERVER_SPEC);
        modLoadingContext.registerConfig(ModConfig.Type.COMMON, ConfigHolder.COMMON_SPEC);

    }
...
}

Edited June 20, 2020 by Slexom

Slexom · June 20, 2020

11 minutes ago, diesieben07 said:

This class is never used before the registry events fire, therefor the entries in it are never registered.

You should use DeferredRegister in one class only, like it is shown in the documentation.

Ok , I understand why... I'm using classes like the following to organize my entites, they are all inner classes of the EntityTypesInit

 public static final class AlbinoCow {
        public static final String registryName = "albino_cow";
        public static final RegistryObject<EntityType<AlbinoCowEntity>> registryObject = EntityTypesInit.ENTITY_TYPES.register(
                registryName,
                () -> EntityType.Builder.create(AlbinoCowEntity::new, EntityClassification.CREATURE)
                        .size(EntityType.COW.getWidth(), EntityType.COW.getHeight())
                        .build(new ResourceLocation(EarthtojavamobsMod.MOD_ID, registryName).toString())
        );
        public static final int eggPrimaryColor = 0xdecac3;
        public static final int eggSecondaryColor = 0xf0a590;
        public static final String[] spawnBiomes = BiomeSpawnHelper.getBiomesListFromBiomes(BiomeSpawnHelper.PLAINS, BiomeSpawnHelper.MOUNTAINS, BiomeSpawnHelper.GRAVELLY_MOUNTAINS);
    }

They are called when register the spawn in biomes for each entity, but a projectile have no spawn and never been called, so it could be the problem.
I think I've to find another way to organize them.
Thank you so much.

Edited June 20, 2020 by Slexom

Draco18s · June 20, 2020

2 hours ago, diesieben07 said:

Static-init dependencies across classes like this are already a bad idea.

If it then relies on happening before a certain point that's even worse.

...which is why deferred registers exist, because people couldn't be bothered to not statically create everything.

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[SOLVED] [1.15.2] Registry Object not present for ProjectileItemEntity registration

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