Struct EntityChangeSet

An atomic package of changes to entity and component data.

Namespace: Unity.Entities

Syntax

public struct EntityChangeSet : IDisposable

Constructors

EntityChangeSet(Int32, Int32, NativeArray<EntityGuid>, NativeArray<ComponentTypeHash>, NativeArray<FixedString64>, NativeArray<PackedComponent>, NativeArray<PackedComponent>, NativeArray<PackedComponentDataChange>, NativeArray<Byte>, NativeArray<EntityReferenceChange>, NativeArray<BlobAssetReferenceChange>, PackedManagedComponentDataChange[], PackedSharedComponentDataChange[], NativeArray<LinkedEntityGroupChange>, NativeArray<LinkedEntityGroupChange>, NativeArray<BlobAssetChange>, NativeArray<UInt64>, NativeArray<Byte>)

Declaration

public EntityChangeSet(int createdEntityCount, int destroyedEntityCount, NativeArray<EntityGuid> entities, NativeArray<ComponentTypeHash> typeHashes, NativeArray<FixedString64> names, NativeArray<PackedComponent> addComponents, NativeArray<PackedComponent> removeComponents, NativeArray<PackedComponentDataChange> setComponents, NativeArray<byte> componentData, NativeArray<EntityReferenceChange> entityReferenceChanges, NativeArray<BlobAssetReferenceChange> blobAssetReferenceChanges, PackedManagedComponentDataChange[] setManagedComponents, PackedSharedComponentDataChange[] setSharedComponents, NativeArray<LinkedEntityGroupChange> linkedEntityGroupAdditions, NativeArray<LinkedEntityGroupChange> linkedEntityGroupRemovals, NativeArray<BlobAssetChange> createdBlobAssets, NativeArray<ulong> destroyedBlobAssets, NativeArray<byte> blobAssetData)

Parameters

Type	Name	Description
Int32	createdEntityCount
Int32	destroyedEntityCount
NativeArray<EntityGuid>	entities
NativeArray<ComponentTypeHash>	typeHashes
NativeArray<FixedString64>	names
NativeArray<PackedComponent>	addComponents
NativeArray<PackedComponent>	removeComponents
NativeArray<PackedComponentDataChange>	setComponents
NativeArray<Byte>	componentData
NativeArray<EntityReferenceChange>	entityReferenceChanges
NativeArray<BlobAssetReferenceChange>	blobAssetReferenceChanges
PackedManagedComponentDataChange[]	setManagedComponents
PackedSharedComponentDataChange[]	setSharedComponents
NativeArray<LinkedEntityGroupChange>	linkedEntityGroupAdditions
NativeArray<LinkedEntityGroupChange>	linkedEntityGroupRemovals
NativeArray<BlobAssetChange>	createdBlobAssets
NativeArray<UInt64>	destroyedBlobAssets
NativeArray<Byte>	blobAssetData

Fields

AddComponents

A set of all component additions in this change-set.

Declaration

public readonly NativeArray<PackedComponent> AddComponents

Field Value

Type	Description
NativeArray<PackedComponent>

BlobAssetData

The payload for all blob assets in this change set.

Declaration

public readonly NativeArray<byte> BlobAssetData

Field Value

Type	Description
NativeArray<Byte>

BlobAssetReferenceChanges

A packed set of all blob asset references to patch.

Declaration

public readonly NativeArray<BlobAssetReferenceChange> BlobAssetReferenceChanges

Field Value

Type	Description
NativeArray<BlobAssetReferenceChange>

ComponentData

Data payload for all component changes specified in SetComponents

Declaration

public readonly NativeArray<byte> ComponentData

Field Value

Type	Description
NativeArray<Byte>

Remarks

Data changes are tightly packed. Use the Size to read back.

CreatedBlobAssets

A set of all blob asset creations in this change set.

Declaration

public readonly NativeArray<BlobAssetChange> CreatedBlobAssets

Field Value

Type	Description
NativeArray<BlobAssetChange>

Remarks

The BlobAssetChange is used to describe the payload within the BlobAssetData array.

CreatedEntityCount

Number of entities from the start of Entities that should be considered as created.

Declaration

public readonly int CreatedEntityCount

Field Value

Type	Description
Int32

DestroyedBlobAssets

A set of all blob assets destroyed in this change set. Identified by the content hash.

Declaration

public readonly NativeArray<ulong> DestroyedBlobAssets

Field Value

Type	Description
NativeArray<UInt64>

DestroyedEntityCount

Number of entities from the end of Entities that should be considered as destroyed.

Declaration

public readonly int DestroyedEntityCount

Field Value

Type	Description
Int32

Entities

A packed array of all entities in this change-set.

Declaration

public readonly NativeArray<EntityGuid> Entities

Field Value

Type	Description
NativeArray<EntityGuid>

EntityReferenceChanges

A packed set of all entity references to patch.

Declaration

public readonly NativeArray<EntityReferenceChange> EntityReferenceChanges

Field Value

Type	Description
NativeArray<EntityReferenceChange>

LinkedEntityGroupAdditions

A set of all linked entity group additions.

Declaration

public readonly NativeArray<LinkedEntityGroupChange> LinkedEntityGroupAdditions

Field Value

Type	Description
NativeArray<LinkedEntityGroupChange>

LinkedEntityGroupRemovals

A set of all linked entity group removals.

Declaration

public readonly NativeArray<LinkedEntityGroupChange> LinkedEntityGroupRemovals

Field Value

Type	Description
NativeArray<LinkedEntityGroupChange>

Names

Names for each entity in this change-set.

Declaration

public readonly NativeArray<FixedString64> Names

Field Value

Type	Description
NativeArray<FixedString64>

RemoveComponents

A set of all component removals in this change-set.

Declaration

public readonly NativeArray<PackedComponent> RemoveComponents

Field Value

Type	Description
NativeArray<PackedComponent>

SetComponents

A set of all component data modifications in this change-set.

Declaration

public readonly NativeArray<PackedComponentDataChange> SetComponents

Field Value

Type	Description
NativeArray<PackedComponentDataChange>

SetManagedComponents

A set of all managed component data changes.

Declaration

public readonly PackedManagedComponentDataChange[] SetManagedComponents

Field Value

Type	Description
PackedManagedComponentDataChange[]

SetSharedComponents

A set of all shared component data changes.

Declaration

public readonly PackedSharedComponentDataChange[] SetSharedComponents

Field Value

Type	Description
PackedSharedComponentDataChange[]

TypeHashes

A packed array of all types in this change-set.

Declaration

public readonly NativeArray<ComponentTypeHash> TypeHashes

Field Value

Type	Description
NativeArray<ComponentTypeHash>

Properties

HasChanges

Declaration

public bool HasChanges { get; }

Property Value

Type	Description
Boolean

IsCreated

Returns true if this object is allocated.

Declaration

public bool IsCreated { get; }

Property Value

Type	Description
Boolean

Methods

Dispose()

Declaration

public void Dispose()