Query

Companion

object Companion

prev_

var prev_: Query?

query_

var query_: IntArray

eval

fun eval(): <Error class: unknown class><Entity>
Evaluates the query and returns a sequence of entities that match the query.
fun eval(dm: DataModel): <Error class: unknown class><Entity>
Evaluates the query for a specific DataModel and returns a sequence of entities that match the query.

registerEventListener

fun <T : EventArgs> registerEventListener(eventName: String, listener: (entity: Entity, eventArgs: T) -> Unit): QueryEventListenerManager<T>
Registers an event listener for a specific event on entities that match the query.

with

fun with(componentTypes: IntArray): Query
fun with(componentType: Int): Query

and

fun and(vararg items: IntArray): IntArray
Performs a logical AND operation on multiple queries.

changed

fun changed(vararg componentTypes: Int): IntArray
Creates a query that checks if an entity has a specific component that has changed in the last tick.

has

fun has(vararg componentTypes: Int): IntArray
Creates a query that checks if an entity has a specific components.

or

fun or(vararg items: IntArray): IntArray
Performs a logical OR operation on multiple queries.

query

fun query(code: IntArray): Query

where

fun where(initializer: QueryBuilder.() -> Unit): Query
DSL for building queries, e.g.: val query = Query.where { has(1, 2, 3) and changed(4, 5) }