Custom ItemEntity

[tal124]

I have created a custom ItemEntity, however, no matter what's put into it (100% just vanilla code switched to be mine) Whenever I throw the item it doesn't drop it will pop out of my inventory for not even a millisecond and place back into the spot it was in.

 

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public class CoalSwordEntity extends ItemEntity {
    private static final EntityDataAccessor<ItemStack> DATA_ITEM = SynchedEntityData.defineId(CoalSwordEntity.class, EntityDataSerializers.ITEM_STACK);
    private static final int LIFETIME = 6000;
    private static final int INFINITE_PICKUP_DELAY = 32767;
    private static final int INFINITE_LIFETIME = -32768;
    private int age;
    private int pickupDelay;
    private int health = 5;
    @Nullable
    private UUID thrower;
    @Nullable
    private UUID owner;
    public final float bobOffs;
    /**
     * The maximum age of this EntityItem.  The item is expired once this is reached.
     */
    public int lifespan = 6000;

    public CoalSwordEntity(EntityType<? extends ItemEntity> p_31991_, Level p_31992_) {
        super(p_31991_, p_31992_);
        this.bobOffs = this.random.nextFloat() * (float)Math.PI * 2.0F;
        this.setYRot(this.random.nextFloat() * 360.0F);
    }

    public CoalSwordEntity(Level p_32001_, double p_32002_, double p_32003_, double p_32004_, ItemStack p_32005_) {
        this(p_32001_, p_32002_, p_32003_, p_32004_, p_32005_, p_32001_.random.nextDouble() * 0.2D - 0.1D, 0.2D, p_32001_.random.nextDouble() * 0.2D - 0.1D);
    }

    public CoalSwordEntity(Level p_149663_, double p_149664_, double p_149665_, double p_149666_, ItemStack p_149667_, double p_149668_, double p_149669_, double p_149670_) {
        this(EntityType.ITEM, p_149663_);
        this.setPos(p_149664_, p_149665_, p_149666_);
        this.setDeltaMovement(p_149668_, p_149669_, p_149670_);
        this.setItem(p_149667_);
        this.lifespan = (p_149667_.getItem() == null ? 6000 : p_149667_.getEntityLifespan(p_149663_));
    }

    private CoalSwordEntity(CoalSwordEntity entity) {
        super((EntityType<? extends ItemEntity>) entity.getType(), entity.level);
        this.setItem(entity.getItem().copy());
        this.copyPosition(entity);
        this.age = entity.age;
        this.bobOffs = entity.bobOffs;
    }

    @Override
    public boolean occludesVibrations() {
        return this.getItem().is(ItemTags.OCCLUDES_VIBRATION_SIGNALS);
    }
    @Override
    protected Entity.MovementEmission getMovementEmission() {
        return Entity.MovementEmission.NONE;
    }
    @Override
    protected void defineSynchedData() {
        this.getEntityData().define(DATA_ITEM, ItemStack.EMPTY);
    }

    /**
     * Called to update the entity's position/logic.
     */
    @Override
    public void tick() {
        if (getItem().onEntityItemUpdate(this)) return;
        if (this.getItem().isEmpty()) {
            this.discard();
        } else {
            super.tick();
            if (this.pickupDelay > 0 && this.pickupDelay != 32767) {
                --this.pickupDelay;
            }

            this.xo = this.getX();
            this.yo = this.getY();
            this.zo = this.getZ();
            Vec3 vec3 = this.getDeltaMovement();
            float f = this.getEyeHeight() - 0.11111111F;
            if (this.isInWater() && this.getFluidHeight(FluidTags.WATER) > (double)f) {
                this.setUnderwaterMovement();
            } else if (this.isInLava() && this.getFluidHeight(FluidTags.LAVA) > (double)f) {
                this.setUnderLavaMovement();
            } else if (!this.isNoGravity()) {
                this.setDeltaMovement(this.getDeltaMovement().add(0.0D, -0.04D, 0.0D));
            }

            if (this.level.isClientSide) {
                this.noPhysics = false;
            } else {
                this.noPhysics = !this.level.noCollision(this, this.getBoundingBox().deflate(1.0E-7D));
                if (this.noPhysics) {
                    this.moveTowardsClosestSpace(this.getX(), (this.getBoundingBox().minY + this.getBoundingBox().maxY) / 2.0D, this.getZ());
                }
            }

            if (!this.onGround || this.getDeltaMovement().horizontalDistanceSqr() > (double)1.0E-5F || (this.tickCount + this.getId()) % 4 == 0) {
                this.move(MoverType.SELF, this.getDeltaMovement());
                float f1 = 0.98F;
                if (this.onGround) {
                    f1 = this.level.getBlockState(new BlockPos(this.getX(), this.getY() - 1.0D, this.getZ())).getFriction(level, new BlockPos(this.getX(), this.getY() - 1.0D, this.getZ()), this) * 0.98F;
                }

                this.setDeltaMovement(this.getDeltaMovement().multiply((double)f1, 0.98D, (double)f1));
                if (this.onGround) {
                    Vec3 vec31 = this.getDeltaMovement();
                    if (vec31.y < 0.0D) {
                        this.setDeltaMovement(vec31.multiply(1.0D, -0.5D, 1.0D));
                    }
                }
            }

            boolean flag = Mth.floor(this.xo) != Mth.floor(this.getX()) || Mth.floor(this.yo) != Mth.floor(this.getY()) || Mth.floor(this.zo) != Mth.floor(this.getZ());
            int i = flag ? 2 : 40;
            if (this.tickCount % i == 0 && !this.level.isClientSide && this.isMergable()) {
                this.mergeWithNeighbours();
            }

            if (this.age != -32768) {
                ++this.age;
            }

            this.hasImpulse |= this.updateInWaterStateAndDoFluidPushing();
            if (!this.level.isClientSide) {
                double d0 = this.getDeltaMovement().subtract(vec3).lengthSqr();
                if (d0 > 0.01D) {
                    this.hasImpulse = true;
                }
            }

            ItemStack item = this.getItem();
            if (!this.level.isClientSide && this.age >= lifespan) {
                int hook = net.minecraftforge.event.ForgeEventFactory.onItemExpire(this, item);
                if (hook < 0) this.discard();
                else          this.lifespan += hook;
            }

            if (item.isEmpty()) {
                this.discard();
            }

        }
    }

    private void setUnderwaterMovement() {
        Vec3 vec3 = this.getDeltaMovement();
        this.setDeltaMovement(vec3.x * (double)0.99F, vec3.y + (double)(vec3.y < (double)0.06F ? 5.0E-4F : 0.0F), vec3.z * (double)0.99F);
    }

    private void setUnderLavaMovement() {
        Vec3 vec3 = this.getDeltaMovement();
        this.setDeltaMovement(vec3.x * (double)0.95F, vec3.y + (double)(vec3.y < (double)0.06F ? 5.0E-4F : 0.0F), vec3.z * (double)0.95F);
    }

    /**
     * Looks for other itemstacks nearby and tries to stack them together
     */

    private void mergeWithNeighbours() {
        if (this.isMergable()) {
            for(CoalSwordEntity itementity : this.level.getEntitiesOfClass(CoalSwordEntity.class, this.getBoundingBox().inflate(0.5D, 0.0D, 0.5D), (p_186268_) -> {
                return p_186268_ != this && p_186268_.isMergable();
            })) {
                if (itementity.isMergable()) {
                    this.tryToMerge(itementity);
                    if (this.isRemoved()) {
                        break;
                    }
                }
            }

        }
    }

    private boolean isMergable() {
        ItemStack itemstack = this.getItem();
        return this.isAlive() && this.pickupDelay != 32767 && this.age != -32768 && this.age < 6000 && itemstack.getCount() < itemstack.getMaxStackSize();
    }

    private void tryToMerge(CoalSwordEntity p_32016_) {
        ItemStack itemstack = this.getItem();
        ItemStack itemstack1 = p_32016_.getItem();
        if (Objects.equals(this.getOwner(), p_32016_.getOwner()) && areMergable(itemstack, itemstack1)) {
            if (itemstack1.getCount() < itemstack.getCount()) {
                merge(this, itemstack, p_32016_, itemstack1);
            } else {
                merge(p_32016_, itemstack1, this, itemstack);
            }

        }
    }

    public static boolean areMergable(ItemStack pStack1, ItemStack pStack2) {
        if (!pStack2.is(pStack1.getItem())) {
            return false;
        } else if (pStack2.getCount() + pStack1.getCount() > pStack2.getMaxStackSize()) {
            return false;
        } else if (pStack2.hasTag() ^ pStack1.hasTag()) {
            return false;
        } else if (!pStack1.areCapsCompatible(pStack2)) {
            return false;
        } else {
            return !pStack2.hasTag() || pStack2.getTag().equals(pStack1.getTag());
        }
    }

    public static ItemStack merge(ItemStack p_32030_, ItemStack p_32031_, int p_32032_) {
        int i = Math.min(Math.min(p_32030_.getMaxStackSize(), p_32032_) - p_32030_.getCount(), p_32031_.getCount());
        ItemStack itemstack = p_32030_.copy();
        itemstack.grow(i);
        p_32031_.shrink(i);
        return itemstack;
    }

    private static void merge(CoalSwordEntity p_32023_, ItemStack p_32024_, ItemStack p_32025_) {
        ItemStack itemstack = merge(p_32024_, p_32025_, 64);
        p_32023_.setItem(itemstack);
    }

    private static void merge(CoalSwordEntity entity, ItemStack stack, CoalSwordEntity coalSwordEntity, ItemStack itemStack) {
        merge(entity, stack, itemStack);
        entity.pickupDelay = Math.max(entity.pickupDelay, coalSwordEntity.pickupDelay);
        entity.age = Math.min(entity.age, coalSwordEntity.age);
        if (itemStack.isEmpty()) {
            entity.discard();
        }

    }
    @Override
    public boolean fireImmune() {
        return this.getItem().getItem().isFireResistant() || super.fireImmune();
    }

    /**
     * Called when the entity is attacked.
     */
    @Override
    public boolean hurt(DamageSource pSource, float pAmount) {
        if (this.level.isClientSide || this.isRemoved()) return false; //Forge: Fixes MC-53850
        if (this.isInvulnerableTo(pSource)) {
            return false;
        } else if (!this.getItem().isEmpty() && this.getItem().is(Items.NETHER_STAR) && pSource.isExplosion()) {
            return false;
        } else if (!this.getItem().getItem().canBeHurtBy(pSource)) {
            return false;
        } else if (this.level.isClientSide) {
            return true;
        } else {
            this.markHurt();
            this.health = (int)((float)this.health - pAmount);
            this.gameEvent(GameEvent.ENTITY_DAMAGED, pSource.getEntity());
            if (this.health <= 0) {
                this.getItem().onDestroyed(this, pSource);
                this.discard();
            }

            return true;
        }
    }
    @Override
    public void addAdditionalSaveData(CompoundTag pCompound) {
        pCompound.putShort("Health", (short)this.health);
        pCompound.putShort("Age", (short)this.age);
        pCompound.putShort("PickupDelay", (short)this.pickupDelay);
        pCompound.putInt("Lifespan", lifespan);
        if (this.getThrower() != null) {
            pCompound.putUUID("Thrower", this.getThrower());
        }

        if (this.getOwner() != null) {
            pCompound.putUUID("Owner", this.getOwner());
        }

        if (!this.getItem().isEmpty()) {
            pCompound.put("Item", this.getItem().save(new CompoundTag()));
        }

    }

    /**
     * (abstract) Protected helper method to read subclass entity data from NBT.
     */
    @Override
    public void readAdditionalSaveData(CompoundTag pCompound) {
        this.health = pCompound.getShort("Health");
        this.age = pCompound.getShort("Age");
        if (pCompound.contains("PickupDelay")) {
            this.pickupDelay = pCompound.getShort("PickupDelay");
        }
        if (pCompound.contains("Lifespan")) lifespan = pCompound.getInt("Lifespan");

        if (pCompound.hasUUID("Owner")) {
            this.owner = pCompound.getUUID("Owner");
        }

        if (pCompound.hasUUID("Thrower")) {
            this.thrower = pCompound.getUUID("Thrower");
        }

        CompoundTag compoundtag = pCompound.getCompound("Item");
        this.setItem(ItemStack.of(compoundtag));
        if (this.getItem().isEmpty()) {
            this.discard();
        }

    }

    /**
     * Called by a player entity when they collide with an entity
     */
    @Override
    public void playerTouch(Player pEntity) {
        if (!this.level.isClientSide) {
            if (this.pickupDelay > 0) return;
            ItemStack itemstack = this.getItem();
            Item item = itemstack.getItem();
            int i = itemstack.getCount();

            int hook = net.minecraftforge.event.ForgeEventFactory.onItemPickup(this, pEntity);
            if (hook < 0) return;

            ItemStack copy = itemstack.copy();
            if (this.pickupDelay == 0 && (this.owner == null || lifespan - this.age <= 200 || this.owner.equals(pEntity.getUUID())) && (hook == 1 || i <= 0 || pEntity.getInventory().add(itemstack))) {
                copy.setCount(copy.getCount() - getItem().getCount());
                net.minecraftforge.event.ForgeEventFactory.firePlayerItemPickupEvent(pEntity, this, copy);
                pEntity.take(this, i);
                if (itemstack.isEmpty()) {
                    this.discard();
                    itemstack.setCount(i);
                }

                pEntity.awardStat(Stats.ITEM_PICKED_UP.get(item), i);
                pEntity.onItemPickup(this);
            }

        }
    }
    @Override
    public Component getName() {
        Component component = this.getCustomName();
        return (Component)(component != null ? component : new TranslatableComponent(this.getItem().getDescriptionId()));
    }

    /**
     * Returns true if it's possible to attack this entity with an item.
     */
    @Override
    public boolean isAttackable() {
        return false;
    }

    @Nullable
    @Override
    public Entity changeDimension(ServerLevel pServer, net.minecraftforge.common.util.ITeleporter teleporter) {
        Entity entity = super.changeDimension(pServer, teleporter);
        if (!this.level.isClientSide && entity instanceof ItemEntity) {
            ((CoalSwordEntity)entity).mergeWithNeighbours();
        }

        return entity;
    }

    /**
     * Gets the item that this entity represents.
     */
    @Override
    public ItemStack getItem() {
        return this.getEntityData().get(DATA_ITEM);
    }

    /**
     * Sets the item that this entity represents.
     */
    @Override
    public void setItem(ItemStack pStack) {
        this.getEntityData().set(DATA_ITEM, pStack);
    }
    @Override
    public void onSyncedDataUpdated(EntityDataAccessor<?> pKey) {
        super.onSyncedDataUpdated(pKey);
        if (DATA_ITEM.equals(pKey)) {
            this.getItem().setEntityRepresentation(this);
        }

    }

    @Nullable
    @Override
    public UUID getOwner() {
        return this.owner;
    }
    @Override
    public void setOwner(@Nullable UUID pOwnerId) {
        this.owner = pOwnerId;
    }

    @Nullable
    @Override
    public UUID getThrower() {
        return this.thrower;
    }
    @Override
    public void setThrower(@Nullable UUID pThrowerId) {
        this.thrower = pThrowerId;
    }
    @Override
    public int getAge() {
        return this.age;
    }
    @Override
    public void setDefaultPickUpDelay() {
        this.pickupDelay = 10;
    }
    @Override
    public void setNoPickUpDelay() {
        this.pickupDelay = 0;
    }
    @Override
    public void setNeverPickUp() {
        this.pickupDelay = 32767;
    }
    @Override
    public void setPickUpDelay(int pTicks) {
        this.pickupDelay = pTicks;
    }
    @Override
    public boolean hasPickUpDelay() {
        return this.pickupDelay > 0;
    }
    @Override
    public void setUnlimitedLifetime() {
        this.age = -32768;
    }
    @Override
    public void setExtendedLifetime() {
        this.age = -6000;
    }
    @Override
    public void makeFakeItem() {
        this.setNeverPickUp();
        this.age = getItem().getEntityLifespan(level) - 1;
    }
    @Override
    public float getSpin(float pPartialTicks) {
        return ((float)this.getAge() + pPartialTicks) / 20.0F + this.bobOffs;
    }
    @Override
    public Packet<?> getAddEntityPacket() {
        return new ClientboundAddEntityPacket(this);
    }
    @Override
    public ItemEntity copy() {
        return new CoalSwordEntity(this);
    }
    @Override
    public SoundSource getSoundSource() {
        return SoundSource.AMBIENT;
    }

}

 

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public class CoalToolsSword extends SwordItem {


    public CoalToolsSword(Tier pTier, int pAttackDamageModifier, float pAttackSpeedModifier, Properties pProperties) {
        super(pTier, pAttackDamageModifier, pAttackSpeedModifier, pProperties);
    }

    @Override
    public void appendHoverText(ItemStack stack, @Nullable Level level, List<Component> tooltip, TooltipFlag flagIn) {
        if (Screen.hasShiftDown()) {
            tooltip.add(new TextComponent("\u00A7e"+"Thrown into a furnace may have some adverse effects" + "\u00A7e"));
        }
        else {
            tooltip.add(new TextComponent("\u00A77"+"Hold "+"\u00A7e"+"shift "+"\u00A77"+"for more info" + "\u00A77"));
        }
    }

    @Override
    public boolean hasCustomEntity(ItemStack stack) {
        return true;
    }

    @org.jetbrains.annotations.Nullable
    @Override
    public Entity createEntity(Level level, Entity location, ItemStack stack) {
        return new CoalSwordEntity(level, location.getX(), location.getY(), location.getZ(), stack);
    }
}

 

 

[tal124]

  On 3/21/2022 at 9:13 PM, diesieben07 said:

Why did you both extend and copy ItemEntity? This does not make any sense.

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I extended it originally, but when I added in the code needed, it still didn't function correctly, so I copied it. I will extend Entity instead and see how that pans out

[tal124]

  On 3/21/2022 at 9:46 PM, tal124 said:

I extended it originally, but when I added in the code needed, it still didn't function correctly, so I copied it. I will extend Entity instead and see how that pans out

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There were a few things I couldn't port over to the copied over code, So I went back to the extending, I'm not sure what code I'm putting in/not putting in thats messing with the ItemEntity and not allowing it to drop.

[tal124]

  On 3/22/2022 at 8:07 AM, diesieben07 said:

Show updated code. And yes, you should extend it and only override what you need to change.

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public class CoalSwordEntity extends ItemEntity {

    public CoalSwordEntity(EntityType<? extends ItemEntity> entityType, Level level) {
        super(entityType, level);
    }

    public CoalSwordEntity(Level level, double x, double y, double z, ItemStack stack) {
        super(level, x, y, z, stack);
    }

    public CoalSwordEntity(Level level, double x, double y, double z, ItemStack stack, double deltaX, double deltaY, double deltaZ) {
        super(level, x, y, z, stack, deltaX, deltaY, deltaZ);
    }

}

I have reverted to what I had originally to try and figure out what the issue was, It not even dropping the item at all, doing the same thing as before, I'm starting to believe my actual issue is somewhere in my ItemClass and not the ItemEntity class

 

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@Override
    public boolean hasCustomEntity(ItemStack stack) {
        return true;
    }

    @Nullable
    @Override
    public Entity createEntity(Level level, Entity location, ItemStack stack) {
        return new CoalSwordEntity(level, location.getX(), location.getY(), location.getZ(), stack);
    }

 

Somewhere around here? maybe?

[Luis_ST]

you have to create a custom EntityType and you need to register a EntityRenderer for your Entity.

You also can not super the constructor from ItemEntity, since they use the vanilla EntityType 

Edited March 23, 2022 by Luis_ST

[tal124]

  On 3/23/2022 at 5:41 AM, Luis_ST said:

you have to create a custom EntityType and you need to register a EntityRenderer for your Entity.

You also can not super the constructor from ItemEntity, since they use the vanilla EntityType 

Expand  

How do I go about registering the EntityRenderer to the eventbus? I'm a bit stuck on that part as well.

[tal124]

  On 3/23/2022 at 9:04 PM, tal124 said:

How do I go about registering the EntityRenderer to the eventbus? I'm a bit stuck on that part as well.

Expand  

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private void DoClientStuff(final FMLClientSetupEvent event) {
        event.enqueueWork(() -> {
            EntityRenderers.register(CoalSwordEntity., CoalSwordRenderer::new);
        });
    }

 

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@OnlyIn(Dist.CLIENT)
public class CoalSwordRenderer extends EntityRenderer<CoalSwordEntity> {
    private static final float ITEM_BUNDLE_OFFSET_SCALE = 0.15F;
    private static final int ITEM_COUNT_FOR_5_BUNDLE = 48;
    private static final int ITEM_COUNT_FOR_4_BUNDLE = 32;
    private static final int ITEM_COUNT_FOR_3_BUNDLE = 16;
    private static final int ITEM_COUNT_FOR_2_BUNDLE = 1;
    private static final float FLAT_ITEM_BUNDLE_OFFSET_X = 0.0F;
    private static final float FLAT_ITEM_BUNDLE_OFFSET_Y = 0.0F;
    private static final float FLAT_ITEM_BUNDLE_OFFSET_Z = 0.09375F;
    private final ItemRenderer itemRenderer;
    private final Random random = new Random();

    public CoalSwordRenderer(EntityRendererProvider.Context context) {
        super(context);
        this.itemRenderer = context.getItemRenderer();
        this.shadowRadius = 0.15F;
        this.shadowStrength = 0.75F;
    }

    protected int getRenderAmount(ItemStack pStack) {
        int i = 1;
        if (pStack.getCount() > 48) {
            i = 5;
        } else if (pStack.getCount() > 32) {
            i = 4;
        } else if (pStack.getCount() > 16) {
            i = 3;
        } else if (pStack.getCount() > 1) {
            i = 2;
        }

        return i;
    }

    @Override
    public void render(CoalSwordEntity pEntity, float pEntityYaw, float pPartialTicks, PoseStack pMatrixStack, MultiBufferSource pBuffer, int pPackedLight) {
        pMatrixStack.pushPose();
        ItemStack itemstack = pEntity.getItem();
        int i = itemstack.isEmpty() ? 187 : Item.getId(itemstack.getItem()) + itemstack.getDamageValue();
        this.random.setSeed((long)i);
        BakedModel bakedmodel = this.itemRenderer.getModel(itemstack, pEntity.level, (LivingEntity)null, pEntity.getId());
        boolean flag = bakedmodel.isGui3d();
        int j = this.getRenderAmount(itemstack);
        float f = 0.25F;
        float f1 = Mth.sin(((float)pEntity.getAge() + pPartialTicks) / 10.0F + pEntity.bobOffs) * 0.1F + 0.1F;
        float f2 = shouldBob() ? bakedmodel.getTransforms().getTransform(ItemTransforms.TransformType.GROUND).scale.y() : 0;
        pMatrixStack.translate(0.0D, (double)(f1 + 0.25F * f2), 0.0D);
        float f3 = pEntity.getSpin(pPartialTicks);
        pMatrixStack.mulPose(Vector3f.YP.rotation(f3));
        if (!flag) {
            float f7 = -0.0F * (float)(j - 1) * 0.5F;
            float f8 = -0.0F * (float)(j - 1) * 0.5F;
            float f9 = -0.09375F * (float)(j - 1) * 0.5F;
            pMatrixStack.translate((double)f7, (double)f8, (double)f9);
        }

        for(int k = 0; k < j; ++k) {
            pMatrixStack.pushPose();
            if (k > 0) {
                if (flag) {
                    float f11 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.15F;
                    float f13 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.15F;
                    float f10 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.15F;
                    pMatrixStack.translate(shouldSpreadItems() ? f11 : 0, shouldSpreadItems() ? f13 : 0, shouldSpreadItems() ? f10 : 0);
                } else {
                    float f12 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.15F * 0.5F;
                    float f14 = (this.random.nextFloat() * 2.0F - 1.0F) * 0.15F * 0.5F;
                    pMatrixStack.translate(shouldSpreadItems() ? f12 : 0, shouldSpreadItems() ? f14 : 0, 0.0D);
                }
            }

            this.itemRenderer.render(itemstack, ItemTransforms.TransformType.GROUND, false, pMatrixStack, pBuffer, pPackedLight, OverlayTexture.NO_OVERLAY, bakedmodel);
            pMatrixStack.popPose();
            if (!flag) {
                pMatrixStack.translate(0.0, 0.0, 0.09375F);
            }
        }

        pMatrixStack.popPose();
        super.render(pEntity, pEntityYaw, pPartialTicks, pMatrixStack, pBuffer, pPackedLight);
    }
    @Override
    public ResourceLocation getTextureLocation(CoalSwordEntity pEntity) {
        return TextureAtlas.LOCATION_BLOCKS;
    }

    public boolean shouldSpreadItems() {
        return true;
    }

    public boolean shouldBob() {
        return true;
    }

}

I'm unsure how to actually register it since I can't actually register the ItemEntity as an Entity since that won't accept ItemEntities.

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public class ModEntities {

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

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

    public static final RegistryObject<EntityType<ItemEntity>> COAL_SWORD = ENTITIES.register("coal_sword", () ->
            EntityType.Builder.of(CoalSwordEntity::new, MobCategory.MISC).setShouldReceiveVelocityUpdates(true).build("coal_sword"));

}

 

 

[tal124]

Whenever I do try and register it, it won't let me 

 

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    public static final RegistryObject<EntityType<CoalSwordEntity>> COAL_SWORD_ENTITY = ENTITIES.register("coal_sword", () ->
            EntityType.Builder.of(CoalSwordEntity::new, MobCategory.MISC)
                    .build("coal_sword"));

 

This throws an error of

"no instance(s) of type variable(s) exist so that EntityType<Entity> conforms to EntityType<CoalSwordEntity> inference variable I has incompatible bounds: equality constraints: EntityType<CoalSwordEntity> lower bounds: EntityType<Entity>

[MFMods]

@tal124  what is it that you are trying to do? because it it's something that can be done in tick handler (update handler), you need none of that above. none.

 

[tal124]

  On 3/24/2022 at 1:08 PM, MFMods said:

@tal124  what is it that you are trying to do? because it it's something that can be done in tick handler (update handler), you need none of that above. none.

 

Expand  

I figured that out when I was working on my ArmorCustomItems, onEntityItemUpdate works fine for it, But now It pops 3 out at once when I drop them in some fire.
 

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@Override
    public boolean onEntityItemUpdate(ItemStack stack, ItemEntity entity) {
        if (entity.isOnFire()) {
            entity.remove(Entity.RemovalReason.KILLED);
            entity.spawnAtLocation(ModItems.FIRE_SWORD.get());
        }
        return false;
    }

 

I've gotten it fixed now, this will set the remove the item and spawn the other item that I'm trying to get. I basically discarded the CustomItemEntity because nothing I did with it would work. Once I found the ArmorTick I thought there might be an Entity modifier for it.

[MFMods]

  On 3/27/2022 at 1:12 AM, tal124 said:

But now It pops 3 out at once when I drop them in some fire

Expand  

yeah.

look - let's say you and me are playing minecraft together now. there are three game instances running: client game on my machine, client game (window with blocky world) on your machine and a server game (doesn't matter on which machine).  and in all three game "programs", there is a sword in fire; you ask  if (entity.isOnFire())  and entity.spawnAtLocation executes three times (although two out of three fire swords are ghosts and you can't pick them up).  you need to ask ( not event.getWorld().isClientSide() and entity.isOnFire() ).

also, if you are handling entity update, ask whether the entity is removed already. if it is, do nothing. i'm not sure if that's still an issue.

Edited March 27, 2022 by MFMods

[tal124]

  On 3/27/2022 at 8:28 AM, MFMods said:

yeah.

look - let's say you and me are playing minecraft together now. there are three game instances running: client game on my machine, client game (window with blocky world) on your machine and a server game (doesn't matter on which machine).  and in all three game "programs", there is a sword in fire; you ask  if (entity.isOnFire())  and entity.spawnAtLocation executes three times (although two out of three fire swords are ghosts and you can't pick them up).  you need to ask ( not event.getWorld().isClientSide() and entity.isOnFire() ).

also, if you are handling entity update, ask whether the entity is removed already. if it is, do nothing. i'm not sure if that's still an issue.

Expand  

Its fixed, I created an Entity.removalReason for the Item and it removes the item before popping out the one Item asked for. The code up there is the current and working version of it. I may go through later and add && level.isClientSide() just for precautions