Upcoming Features

Functions

Used to modify outcome objects, such as BlockStates, Entities, ItemStacks, etc. This is intended mostly as an alternative to the component system for Entities & Blocks.

Id	Default Target	Parameters	Use Case
set_age	ageable entities	age	set age of animal
set_count	all	count	set count of anything
distribute_count	all	functions, total_count	uses the count from all functions to determine a proportional amount to the total
group	all	functions	run multiple functions once
loop	all	function	run the function over time at an interval; for example: once every 1s
random_count	all	function, count	run the function multiple times
random_split	all	valid_function, invalid_function	runs a function for all valid targets and a different function for all invalid targets
set_pos	all	pos	set position of anything
set_color	colorables	color	dye sheep, shulkers, items, blocks, etc
set_charged	creepers	charged	make creepers charged
set_direction	directionals	direction	set direction of blocks, entities, or structures
set_velocity	entities, particles	velocity	set velocity of entity
add_passenger	entities	passenger	add a passenger to entity
set_nbt	entities/block entities	nbt	only because nbt still exists, please please remove it mojang
set_goat_horns	goats	horns	set goat horns on goat
set_components	items	components	item modifications
set_name	items/entities	name	set name of item or entity
add_enchantments	items	enchantments	set enchantments of item
add_status_effects	living entities	status_effects	add status effect to entity
set_equipment	living entities	slot->item	set mob equipment
set_attribute_modifiers	living entities/items	attribute->value	set max health, armor, etc of the spawned mob or of the itemstack
set_level	enchantments	level	set level of enchantment
set_target	mobs	target	angering & setting target of mobs
set_owner	pets	owner	taming pets, ender pearls
set_sitting	pets	sitting	make pets sit
set_rotation	rotationals	rotation	setting initial mob rotation
set_sheared	sheep	sheared	make sheep sheared
set_variant	variant entities	variant	frog variants, fox variants, tropical fish, axolotls, etc
set_size	slimes, salmon, pufferfish	size	sets the size of the entity
set_saddle	rideables	saddle	adds a saddle to the entity so they can be ridden
set_villager_data	villagers	profession, rank, trades	sets villager data
set_baby	animals	baby	makes the animal a baby
set_item	item frames, foxes	stack	sets the entity's single held item when not using equipment slots
initialize_mobs	mobs	data	default mob spawning mechanics: skeleton bows, horse stats, etc

Boolean Providers

Return a boolean value, usable in any codec-based object.

Id	Parameters	Description
simple	value	returns a boolean
random	N/A	returns true or false

Color Providers

Return a color value, usable in any codec-based object.

Id	Parameters	Description
simple	color	returns a color
random	colors	returns a random color

Entity Providers

Return an Entity value, usable in any codec-based object.

Id	Parameters	Description
random_in_shape	shape	returns a random player in the shape
target	provider	returns the current target entity of the provided
attacker	provider	returns the current attacker entity of the provided
owner	provider	returns the owner entity of the provided
random_passenger	provider	returns a random passenger entity of the provided

Stack Providers

Return an ItemStack value, usable in any codec-based object.

Id	Parameters	Description
simple	stack, components	returns an itemstack
random	stacks	returns a random itemstack from the provided list

Text Providers

Return a text value, usable in any codec-based object.

Id	Parameters	Description
simple	text	returns a basic text
random	texts	returns a random text
compound	texts	returns a combination of multiple texts

Vec Providers

Return a Vec3d value, usable in any codec-based object.

		Description
constant	vec	returns a vector
random	vecs	returns a random vector
random_in_shape	shape	returns a random vector within the shape
clamp_to_heightmap	vec, heightmap	clamps the vector to the heightmap
random_velocity	power, pitch	returns a velocity vector, based on power and pitch