Struct UnityObjectRef<T>

A utility structure that stores a reference of an Object for Entities. Allows references to be stored on unmanaged component.

Namespace: Unity.Entities

Assembly: Unity.Entities.dll

Syntax

[Serializable]
public struct UnityObjectRef<T> where T : Object

Type Parameters

Name	Description
T	Type of the Object that is going to be referenced by UnityObjectRef.

Remarks

Stores the Object's instance ID. Will also serialize asset references in SubScenes the same way managed components do with direct references to Object. This is the recommended way to store references to Unity assets in Entities as it remains unmanaged.

Serialization is supported on IComponentData ISharedComponentData and IBufferElementData

Unity assets referenced in this way will be prevented from being collect by Asset Garbage Collection (such as calling UnloadUnusedAssets).

Properties

Name	Description
Value	Object being referenced by this UnityObjectRef<T>.

Methods

Name	Description
Equals(object)	Checks if this object references the same UnityEngine.Object as another object.
Equals(UnityObjectRef<T>)	Checks if this reference and another reference are equal.
GetHashCode()	Computes a hash code for this object.
IsValid()	Returns 'true' if the UnityObjectRef is still valid, as in the Object still exists.

Operators

Name	Description
operator ==(UnityObjectRef<T>, UnityObjectRef<T>)	Returns true if two UnityObjectRef<T> are equal.
implicit operator bool(UnityObjectRef<T>)	Overload of the 'bool' operator to check for the validity of the instance ID.
implicit operator T(UnityObjectRef<T>)	Implicitly converts an UnityObjectRef<T> to an Object.
implicit operator UnityObjectRef<T>(T)	Implicitly converts an Object to an UnityObjectRef<T>.
operator !=(UnityObjectRef<T>, UnityObjectRef<T>)	Returns true if two UnityObjectRef<T> are not equal.