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Registering Entities (1.16.5)


tal124

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I don't think regular spawn eggs work with deferred register. The item registration happens before entities so when registering the spawn egg the entity registry object is no present.

Try taking out the spawn egg code and it should work fine. 

 

Here is an additional thread on registering entities with deferred register. It also goes over what needs to be done to make spawn eggs work. It is for 1.15.1 but should work pretty well with 1.16.5 as well.

 

 

 

 

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22 hours ago, Beethoven92 said:

They've replaced .put for something idk what but its deprecated now, and now my entity registers but it won't summon

summon.PNG

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public class EntityChocolateSlime extends SlimeEntity {
    public EntityChocolateSlime(EntityType<? extends EntityChocolateSlime> type, World worldIn) {
        super(type, worldIn);
    }


    public static AttributeModifierMap.MutableAttribute func_234294_m_() {
        return MonsterEntity.func_234295_eP_().createMutableAttribute(Attributes.MOVEMENT_SPEED, (double)0.2F);
    }
    public static boolean func_223367_b(EntityType<EntityChocolateSlime> p_223367_0_, IWorld p_223367_1_, SpawnReason p_223367_2_, BlockPos p_223367_3_, Random p_223367_4_) {
        return p_223367_1_.getDifficulty() != Difficulty.PEACEFUL;
    }

    public boolean isNotColliding(IWorldReader worldIn) {
        return worldIn.checkNoEntityCollision(this) && !worldIn.containsAnyLiquid(this.getBoundingBox());
    }
    public EntityType<? extends EntityChocolateSlime> getType() {
        return (EntityType<? extends EntityChocolateSlime>)super.getType();
    }

    protected void setSlimeSize(int size, boolean resetHealth) {
        super.setSlimeSize(size, resetHealth);
        this.getAttribute(Attributes.ARMOR).setBaseValue((double)(size * 3));
    }
    protected int getJumpDelay() {
        return super.getJumpDelay() * 4;
    }

    protected void alterSquishAmount() {
        this.squishAmount *= 0.9F;
    }

    protected void jump() {
        Vector3d vector3d = this.getMotion();
        this.setMotion(vector3d.x, (double)(this.getJumpUpwardsMotion() + (float)this.getSlimeSize() * 0.1F), vector3d.z);
        this.isAirBorne = true;
        net.minecraftforge.common.ForgeHooks.onLivingJump(this);
    }
    protected void handleFluidJump(ITag<Fluid> fluidTag) {
        if (fluidTag == FluidTags.LAVA) {
            Vector3d vector3d = this.getMotion();
            this.setMotion(vector3d.x, (double)(0.22F + (float)this.getSlimeSize() * 0.05F), vector3d.z);
            this.isAirBorne = true;
        } else {
            super.handleFluidJump(fluidTag);
        }

    }
    protected boolean canDamagePlayer() {
        return this.isServerWorld();
    }

    protected float func_225512_er_() {
        return super.func_225512_er_() + 2.0F;
    }

    protected SoundEvent getHurtSound(DamageSource damageSourceIn) {
        return this.isSmallSlime() ? SoundEvents.ENTITY_MAGMA_CUBE_HURT_SMALL : SoundEvents.ENTITY_SLIME_HURT;
    }

    protected SoundEvent getDeathSound() {
        return this.isSmallSlime() ? SoundEvents.ENTITY_SLIME_DEATH_SMALL : SoundEvents.ENTITY_SLIME_DEATH;
    }

    protected SoundEvent getSquishSound() {
        return this.isSmallSlime() ? SoundEvents.ENTITY_SLIME_SQUISH_SMALL : SoundEvents.ENTITY_SLIME_SQUISH;
    }

    protected SoundEvent getJumpSound() {
        return SoundEvents.ENTITY_SLIME_JUMP;
    }
}

My ModSlime code

public class ModEntities {

    public static final DeferredRegister<EntityType<?>> ENTITIES = DeferredRegister.create(ForgeRegistries.ENTITIES, chocolate.MODID);

    //Attaches the deferred register to the event bus
    public static void init() {
        ENTITIES.register(FMLJavaModLoadingContext.get().getModEventBus());
    }

    public static final String CHOCOLATE_SLIME_NAME = "chocolate_slime";
    public static final RegistryObject<EntityType<EntityChocolateSlime>> CHOCOLATE_SLIME = ENTITIES.register(CHOCOLATE_SLIME_NAME, () ->
            EntityType.Builder.<EntityChocolateSlime>create(EntityChocolateSlime::new, EntityClassification.MONSTER)
                    .size(EntityType.SLIME.getWidth(), EntityType.SLIME.getHeight())
                    .build(new ResourceLocation(chocolate.MODID, CHOCOLATE_SLIME_NAME).toString())
    );



}

My Entity Registry code

 

[00:02:48] [Server thread/WARN] [minecraft/EntityType]: Exception loading entity: 
java.lang.NullPointerException: null
	at net.minecraft.entity.ai.attributes.AttributeModifierManager.getAttributeValue(AttributeModifierManager.java:67) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.LivingEntity.getAttributeValue(LivingEntity.java:1849) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.LivingEntity.getMaxHealth(LivingEntity.java:1610) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.LivingEntity.<init>(LivingEntity.java:209) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.MobEntity.<init>(MobEntity.java:108) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.entity.monster.SlimeEntity.<init>(SlimeEntity.java:56) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at tyrannus.chocolate.init.entities.EntityChocolateSlime.<init>(EntityChocolateSlime.java:26) ~[main/:?] {re:classloading}
	at net.minecraft.entity.EntityType.create(EntityType.java:448) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.EntityType.lambda$loadEntityUnchecked$1(EntityType.java:459) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at java.util.Optional.map(Optional.java:215) ~[?:1.8.0_282] {}
	at net.minecraft.entity.EntityType.loadEntityUnchecked(EntityType.java:458) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.EntityType.loadEntity(EntityType.java:516) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.EntityType.loadEntityAndExecute(EntityType.java:498) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.command.impl.SummonCommand.summonEntity(SummonCommand.java:50) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.command.impl.SummonCommand.lambda$register$1(SummonCommand.java:34) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262) ~[brigadier-1.0.17.jar:?] {re:classloading}
	at net.minecraft.command.Commands.handleCommand(Commands.java:222) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.ServerPlayNetHandler.handleSlashCommand(ServerPlayNetHandler.java:1162) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.ServerPlayNetHandler.func_244548_c(ServerPlayNetHandler.java:1142) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.ServerPlayNetHandler.processChatMessage(ServerPlayNetHandler.java:1121) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.client.CChatMessagePacket.processPacket(CChatMessagePacket.java:40) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.client.CChatMessagePacket.processPacket(CChatMessagePacket.java:8) ~[forge:?] {re:classloading}
	at net.minecraft.network.PacketThreadUtil.lambda$checkThreadAndEnqueue$0(PacketThreadUtil.java:19) ~[forge:?] {re:classloading}
	at net.minecraft.util.concurrent.TickDelayedTask.run(TickDelayedTask.java:20) ~[forge:?] {re:classloading}
	at net.minecraft.util.concurrent.ThreadTaskExecutor.run(ThreadTaskExecutor.java:139) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.util.concurrent.RecursiveEventLoop.run(RecursiveEventLoop.java:22) ~[forge:?] {re:classloading}
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:759) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:159) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.util.concurrent.ThreadTaskExecutor.driveOne(ThreadTaskExecutor.java:109) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.driveOneInternal(MinecraftServer.java:742) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.driveOne(MinecraftServer.java:736) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.util.concurrent.ThreadTaskExecutor.driveUntil(ThreadTaskExecutor.java:122) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.runScheduledTasks(MinecraftServer.java:722) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:668) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.lambda$startServer$0(MinecraftServer.java:233) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_282] {}
[00:02:48] [Render thread/INFO] [minecraft/NewChatGui]: [CHAT] Unable to summon entity

My error code that happens when I try to summon the entity

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I'm still a little confused, so I have to register it in my ModEntities like so

 

 public static void EntityAttributeCreationEvent() {
        GlobalEntityTypeAttributes.getAttributesForEntity(ModEntities.CHOCOLATE_SLIME.get());
    }

and then also put it into my setup like this

 

private void setup(final FMLCommonSetupEvent event) {
        // some preinit code
        LOGGER.info("The Pre-Chocoinator");
        LOGGER.info("DIRT BLOCK >> {}", Blocks.DIRT.getRegistryName());

        ModEntities.EntityAttributeCreationEvent();
    }

And then also have some attributes in my Entity class, and this is where I get a bit confused because I just borrowed what you had just to see if it would summon/spawn

public MutableAttribute MutableAttribute()
    {
        return LivingEntity.registerAttributes().createMutableAttribute(Attributes.MAX_HEALTH, 2.0).
                createMutableAttribute(Attributes.FOLLOW_RANGE, 16.0).
                createMutableAttribute(Attributes.MOVEMENT_SPEED, 0.75);
    }

And I'm still getting an error when I try to summon it.

[07:42:47] [Server thread/WARN] [minecraft/EntityType]: Exception loading entity: 
java.lang.NullPointerException: null
	at net.minecraft.entity.ai.attributes.AttributeModifierManager.getAttributeValue(AttributeModifierManager.java:67) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.LivingEntity.getAttributeValue(LivingEntity.java:1849) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.LivingEntity.getMaxHealth(LivingEntity.java:1610) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.LivingEntity.<init>(LivingEntity.java:209) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.MobEntity.<init>(MobEntity.java:108) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.entity.monster.SlimeEntity.<init>(SlimeEntity.java:56) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at tyrannus.chocolate.init.entities.EntityChocolateSlime.<init>(EntityChocolateSlime.java:38) ~[main/:?] {re:classloading}
	at net.minecraft.entity.EntityType.create(EntityType.java:448) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.EntityType.lambda$loadEntityUnchecked$1(EntityType.java:459) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at java.util.Optional.map(Optional.java:215) ~[?:1.8.0_282] {}
	at net.minecraft.entity.EntityType.loadEntityUnchecked(EntityType.java:458) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.EntityType.loadEntity(EntityType.java:516) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.entity.EntityType.loadEntityAndExecute(EntityType.java:498) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.command.impl.SummonCommand.summonEntity(SummonCommand.java:50) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at net.minecraft.command.impl.SummonCommand.lambda$register$1(SummonCommand.java:34) ~[forge-1.16.5-36.0.48_mapped_snapshot_20210309-1.16.5-recomp.jar:?] {re:classloading}
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262) ~[brigadier-1.0.17.jar:?] {re:classloading}
	at net.minecraft.command.Commands.handleCommand(Commands.java:222) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.ServerPlayNetHandler.handleSlashCommand(ServerPlayNetHandler.java:1162) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.ServerPlayNetHandler.func_244548_c(ServerPlayNetHandler.java:1142) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.ServerPlayNetHandler.processChatMessage(ServerPlayNetHandler.java:1121) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.client.CChatMessagePacket.processPacket(CChatMessagePacket.java:40) ~[forge:?] {re:classloading}
	at net.minecraft.network.play.client.CChatMessagePacket.processPacket(CChatMessagePacket.java:8) ~[forge:?] {re:classloading}
	at net.minecraft.network.PacketThreadUtil.lambda$checkThreadAndEnqueue$0(PacketThreadUtil.java:19) ~[forge:?] {re:classloading}
	at net.minecraft.util.concurrent.TickDelayedTask.run(TickDelayedTask.java:20) ~[forge:?] {re:classloading}
	at net.minecraft.util.concurrent.ThreadTaskExecutor.run(ThreadTaskExecutor.java:139) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.util.concurrent.RecursiveEventLoop.run(RecursiveEventLoop.java:22) ~[forge:?] {re:classloading}
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:759) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:159) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.util.concurrent.ThreadTaskExecutor.driveOne(ThreadTaskExecutor.java:109) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.driveOneInternal(MinecraftServer.java:742) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.driveOne(MinecraftServer.java:736) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.util.concurrent.ThreadTaskExecutor.drainTasks(ThreadTaskExecutor.java:97) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.runScheduledTasks(MinecraftServer.java:721) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:668) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.MinecraftServer.lambda$startServer$0(MinecraftServer.java:233) ~[forge:?] {re:classloading,pl:accesstransformer:B}
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_282] {}

 

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6 hours ago, diesieben07 said:

That is not what you were told to do. You need to handle EntityAttributeCreationEvent, not FMLCommonSetupEvent.

Calling your method "EntityAttributeCreationEvent" makes no sense.

 

Your "registration" also doesn't register anything. It just gets the attributes for your entity, which will still be null at this point, again because you didn't actually register anything.

 

The "MutableAttribute" method (why did you call it that?!) also does nothing, because you never call it.

I apologize the previous two comments had me a little confused about what to do, and I called it MutableAttribute because any other attribute would say it needs to be called that, but I realize that its probably because I had muteableAttribute being called inside it.

Edited by tal124
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