Java Code Examples for net.minecraft.entity.item.EntityItem#setPickupDelay()

/** Spawns an ItemStack as if it was dropped from an entity on death. */
public static EntityItem dropStackFromEntity(Entity entity, ItemStack stack, float speed) {
	EntityPlayer player = ((entity instanceof EntityPlayer) ? (EntityPlayer)entity : null);
	EntityItem item;
	if (player == null) {
		double y = entity.posY + entity.getEyeHeight() - 0.3;
		item = spawnItem(entity.world, entity.posX, y, entity.posZ, stack);
		if (item == null) return null;
		item.setPickupDelay(40);
		float f1 = RandomUtils.getFloat(0.5F);
		float f2 = RandomUtils.getFloat((float)Math.PI * 2.0F);
		item.motionX = -Math.sin(f2) * f1;
		item.motionY = 0.2;
		item.motionZ = Math.cos(f2) * f1;
		return item;
	} else item = player.dropItem(stack, true, false);
	if (item != null) {
		item.motionX *= speed / 4;
		item.motionZ *= speed / 4;
	}
	return item;
}
 

@Override
public void usePlayer(OpenModsFakePlayer player) {
	player.setPositionAndRotation(x, y - player.getEyeHeight(), z, yaw, pitch);

	final EntityItem itemToDrop = new EntityItem(player.getEntityWorld(), x, y, z, stack.copy());
	itemToDrop.setPosition(itemToDrop.posX, itemToDrop.posY - itemToDrop.height, itemToDrop.posZ);
	itemToDrop.setPickupDelay(40);

	ItemTossEvent event = new ItemTossEvent(itemToDrop, player);
	if (MinecraftForge.EVENT_BUS.post(event)) {
		Log.info("Item %s drop from this %s aborted by event", stack, this);
	} else {
		final EntityItem droppedItem = event.getEntityItem();

		droppedItem.motionX = v.x;
		droppedItem.motionY = v.y;
		droppedItem.motionZ = v.z;

		player.getEntityWorld().spawnEntity(droppedItem);
	}
}
 

protected void moveItemsInEffectRange() {
    List<EntityItem> itemsInRange = getWorld().getEntitiesWithinAABB(EntityItem.class, areaBoundingBox);
    for (EntityItem entityItem : itemsInRange) {
        double distanceX = (areaCenterPos.getX() + 0.5) - entityItem.posX;
        double distanceZ = (areaCenterPos.getZ() + 0.5) - entityItem.posZ;
        double distance = MathHelper.sqrt(distanceX * distanceX + distanceZ * distanceZ);
        if(!itemFilter.testItemStack(entityItem.getItem())) {
            continue;
        }
        if (distance >= 0.7) {
            if(!entityItem.cannotPickup()) {
                double directionX = distanceX / distance;
                double directionZ = distanceZ / distance;
                entityItem.motionX = directionX * MOTION_MULTIPLIER * getTier();
                entityItem.motionZ = directionZ * MOTION_MULTIPLIER * getTier();
                entityItem.velocityChanged = true;
                entityItem.setPickupDelay(1);
            }
        } else {
            ItemStack itemStack = entityItem.getItem();
            ItemStack remainder = ItemHandlerHelper.insertItemStacked(exportItems, itemStack, false);
            if (remainder.isEmpty()) {
                entityItem.setDead();
            } else if (itemStack.getCount() > remainder.getCount()) {
                entityItem.setItem(remainder);
            }
        }
    }
    if (getTimer() % 5 == 0) {
        pushItemsIntoNearbyHandlers(getFrontFacing());
    }
}
 

@Override
public void onDeath(@Nonnull DamageSource cause) {
	if (getIsInvulnerable()) return;

	if (!world.isRemote) {
		FairyData dataFairy = getDataFairy();
		if (dataFairy == null) return;

		if (dataFairy.isDepressed) {

			ItemStack stack = new ItemStack(ModItems.FAIRY_ITEM);
			NBTHelper.setTag(stack, "fairy", dataFairy.serializeNBT());

			world.removeEntity(this);

			EntityItem entityItem = new EntityItem(world);
			entityItem.setPosition(posX, posY, posZ);
			entityItem.setItem(stack);
			entityItem.setPickupDelay(20);
			entityItem.setNoDespawn();

			world.spawnEntity(entityItem);
			return;
		}

		super.onDeath(cause);

		if (getHealth() <= 0)
			PacketHandler.NETWORK.sendToAllAround(new PacketExplode(getPositionVector().add(0, 0.25, 0), dataFairy.primaryColor, dataFairy.secondaryColor, 0.5, 0.5, RandUtil.nextInt(100, 200), 75, 25, true),
					new NetworkRegistry.TargetPoint(world.provider.getDimension(), posX, posY, posZ, 256));
	}
}
 

private static void popItemFromHand(EntityFairy fairy) {
	ItemStack heldItem = fairy.getDataHeldItem();
	if (heldItem.isEmpty()) return;

	EntityItem entityItem = new EntityItem(fairy.world, fairy.posX, fairy.posY, fairy.posZ, heldItem.copy());
	entityItem.motionX = 0;
	entityItem.motionY = 0;
	entityItem.motionZ = 0;
	entityItem.setPickupDelay(50);
	if (fairy.world.spawnEntity(entityItem)) {
		fairy.setDataHeldItem(ItemStack.EMPTY);
	}
}
 

/**
 * Makes it so when a player right clicks a rail block with a different rail item, it will be replaced, without having to remove and place a rail.
 * TODO: Replace signal types
 * @param e
 */
@SubscribeEvent
public void onBlockInteraction(RightClickBlock e){
    if(!e.getWorld().isRemote && e.getFace() == EnumFacing.UP) {
        ItemStack stack = e.getEntityPlayer().getHeldItemMainhand();
        BlockRailBase railBlock = getRailBlock(stack);
        if(railBlock != null) {
            IBlockState state = e.getWorld().getBlockState(e.getPos());
            IRail rail = RailManager.getInstance().getRail(e.getWorld(), e.getPos(), state);
            if(rail != null && state.getBlock() != railBlock) {
                EnumRailDirection dir = rail.getDirection(e.getWorld(), e.getPos(), state);
                e.getWorld().destroyBlock(e.getPos(), !e.getEntityPlayer().isCreative());
                List<EntityItem> drops = e.getWorld().getEntitiesWithinAABB(EntityItem.class, new AxisAlignedBB(e.getPos()));
                for(EntityItem drop : drops) {
                    drop.setPickupDelay(0);
                    drop.onCollideWithPlayer(e.getEntityPlayer());
                }

                e.getWorld().setBlockState(e.getPos(), railBlock.getDefaultState());
                if(!e.getEntityPlayer().isCreative()) stack.shrink(1);

                //Set the rail orientation equal to the old rail, if possible.
                if(railBlock.getShapeProperty().getAllowedValues().contains(dir)) {
                    IBlockState curState = e.getWorld().getBlockState(e.getPos());
                    e.getWorld().setBlockState(e.getPos(), curState.withProperty(railBlock.getShapeProperty(), dir));
                }
            }
        }
    }
}