Package net.minecraftforge.common.capabilities

Class Capability<T>

java.lang.Object

net.minecraftforge.common.capabilities.Capability<T>

public class Capability<T>
extends Object

This is the core holder object Capabilities. Each capability will have ONE instance of this class, and it will the the one passed into the ICapabilityProvider functions. The CapabilityManager is in charge of creating this class.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) List<Consumer<Capability<T>>>	listeners
private final String	name

Constructor Summary

Constructors

Constructor	Description
Capability(String name)

Method Summary

Modifier and Type	Method	Description
Capability<T>	addListener(Consumer<Capability<T>> listener)	Adds a listener to be called when someone registers this capability.
String	getName()
boolean	isRegistered()
(package private) void	onRegister()
<R> @NotNull LazyOptional<R>	orEmpty(Capability<R> toCheck, LazyOptional<T> inst)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

name

private final String name

listeners

List<Consumer<Capability<T>>> listeners

Constructor Details

Capability

Capability(String name)

Method Details

getName

public String getName()

Returns:

The unique name of this capability, typically this is the fully qualified class name for the target interface.

orEmpty

@NotNull
public <R> @NotNull LazyOptional<R> orEmpty(Capability<R> toCheck,
 LazyOptional<T> inst)

isRegistered

public boolean isRegistered()

Returns:

true if something has registered this capability to the Manager. This is a marker that the class for this capability exists, and can be used.

addListener

public Capability<T> addListener(Consumer<Capability<T>> listener)

Adds a listener to be called when someone registers this capability. May be called instantly if this is already registered.

Parameters:

listener - Function to fire when capability is registered.

Returns:

self, in case people want to use builder pattern.

onRegister

void onRegister()