public void EntityPatcher_ApplyChanges_EntityPatchWithMissingValueDoesNotThrow()
{
using (var differ = new EntityManagerDiffer(SrcEntityManager, Allocator.TempJob))
{
var entityGuid0 = CreateEntityGuid();
var entity0 = SrcEntityManager.CreateEntity();
SrcEntityManager.AddComponentData(entity0, entityGuid0);
var entityGuid1 = CreateEntityGuid();
var entity1 = SrcEntityManager.CreateEntity();
SrcEntityManager.AddComponentData(entity1, entityGuid1);
PushChanges(differ, DstEntityManager);
// Create a component with an entity reference
SrcEntityManager.AddComponentData(entity1, new EcsTestDataEntity {
value1 = entity0
});
using (var changes = differ.GetChanges(EntityManagerDifferOptions.IncludeForwardChangeSet, Allocator.TempJob))
{
var forward = changes.ForwardChangeSet;
Assert.That(forward.EntityReferenceChanges.Length, Is.EqualTo(1));
// Destroy the entity the patch references
SrcEntityManager.DestroyEntity(entity0);
Assert.DoesNotThrow(() => { EntityPatcher.ApplyChangeSet(DstEntityManager, forward); });
}
}
}
public void EntityPatcher_ApplyChanges_EntityPatchWithAmbiguousTargetDoesNotThrow()
{
using (var differ = new EntityManagerDiffer(SrcEntityManager, Allocator.TempJob))
{
var entityGuid0 = CreateEntityGuid();
var entity0 = SrcEntityManager.CreateEntity();
SrcEntityManager.AddComponentData(entity0, entityGuid0);
var entityGuid1 = CreateEntityGuid();
var entity1 = SrcEntityManager.CreateEntity();
SrcEntityManager.AddComponentData(entity1, entityGuid1);
PushChanges(differ, DstEntityManager);
// Create a patch
SrcEntityManager.AddComponentData(entity1, new EcsTestDataEntity {
value1 = entity0
});
using (var changes = differ.GetChanges(EntityManagerDifferOptions.IncludeForwardChangeSet, Allocator.TempJob))
{
var forward = changes.ForwardChangeSet;
Assert.That(forward.EntityReferenceChanges.Length, Is.EqualTo(1));
// Create a new entity in the dst world with the same ID the patch target.
var dstEntity0 = DstEntityManager.CreateEntity();
DstEntityManager.AddComponentData(dstEntity0, entityGuid1);
Assert.DoesNotThrow(() => { EntityPatcher.ApplyChangeSet(DstEntityManager, forward); });
}
}
}
public void CanSerializeAndDeserializeManagedComponents()
{
using (var differ = new EntityManagerDiffer(SrcWorld.EntityManager, Allocator.TempJob))
{
var entityGuid = CreateEntityGuid();
var entity = SrcEntityManager.CreateEntity();
var srcManagedComponent = new EcsTestManagedDataEntity
{
value0 = "Hello",
value2 = 42,
nullField = new ClassWithClassFields
{
ClassWithString = new ClassWithString
{
String = "World"
}
}
};
SrcEntityManager.AddComponentData(entity, entityGuid);
SrcEntityManager.AddComponentData(entity, srcManagedComponent);
SrcEntityManager.AddComponentData(entity, (EcsTestManagedComponent2)null);
var options = EntityManagerDifferOptions.IncludeForwardChangeSet | EntityManagerDifferOptions.FastForwardShadowWorld;
using (var changes = differ.GetChanges(options, Allocator.TempJob))
{
var srcChange = new LiveLinkChangeSet
{
Changes = changes.ForwardChangeSet,
SceneName = "Boing",
UnloadAllPreviousEntities = true,
SceneGUID = new Unity.Entities.Hash128(),
FramesToRetainBlobAssets = 1
};
var changeSet = SerializeAndDeserialize(srcChange);
AssertChangeSetsAreEqual(srcChange, changeSet);
EntityPatcher.ApplyChangeSet(DstEntityManager, changeSet.Changes);
changeSet.Dispose();
}
var dstManagedComponent = GetManagedComponentData <EcsTestManagedDataEntity>(DstEntityManager, entityGuid);
Assert.That(dstManagedComponent, Is.Not.Null);
Assert.That(dstManagedComponent, Is.Not.SameAs(srcManagedComponent));
Assert.That(dstManagedComponent.value0, Is.EqualTo(srcManagedComponent.value0));
Assert.That(dstManagedComponent.value1, Is.EqualTo(srcManagedComponent.value1));
Assert.That(dstManagedComponent.value2, Is.EqualTo(srcManagedComponent.value2));
Assert.That(dstManagedComponent.nullField, Is.Not.SameAs(srcManagedComponent.nullField));
Assert.That(dstManagedComponent.nullField.ClassWithString, Is.Not.SameAs(srcManagedComponent.nullField.ClassWithString));
Assert.That(dstManagedComponent.nullField.ClassWithString.String, Is.EqualTo(srcManagedComponent.nullField.ClassWithString.String));
Assert.That(GetManagedComponentData <EcsTestManagedComponent2>(DstEntityManager, entityGuid), Is.Null);
}
}
public void ApplyPatch(LiveLinkChangeSet changeSet)
{
var dstEntities = _DstWorld.EntityManager;
var sceneSystem = _DstWorld.GetExistingSystem<SceneSystem>();
Entity sectionEntity;
var sceneEntity = sceneSystem.GetSceneEntity(changeSet.SceneGUID);
//@TODO: Check if the scene or section is requested to be loaded
if (sceneEntity == Entity.Null)
{
Debug.LogWarning($"'{changeSet.SceneName}' ({{changeSet.sceneGUID}}) was ignored in live link since it is not loaded.");
return;
}
// Unload scene
if (changeSet.UnloadAllPreviousEntities)
{
//@Todo: Can we try to keep scene & section entities alive? (In case user put custom data on it)
sceneSystem.UnloadScene(sceneEntity, SceneSystem.UnloadParameters.DestroySectionProxyEntities | SceneSystem.UnloadParameters.DontRemoveRequestSceneLoaded);
// Create section
sectionEntity = dstEntities.CreateEntity();
dstEntities.AddComponentData(sectionEntity, new SceneSectionStreamingSystem.StreamingState { Status = SceneSectionStreamingSystem.StreamingStatus.Loaded});
dstEntities.AddComponentData(sectionEntity, new DisableSceneResolveAndLoad( ));
// Configure scene
dstEntities.AddComponentData(sceneEntity, new DisableSceneResolveAndLoad( ));
dstEntities.AddComponentData(sceneEntity, new LiveLinkedSceneState { Scene = changeSet.SceneGUID });
dstEntities.AddBuffer<ResolvedSectionEntity>(sceneEntity).Add(new ResolvedSectionEntity { SectionEntity = sectionEntity} );
#if UNITY_EDITOR
dstEntities.SetName(sectionEntity, "SceneSection (LiveLink): " + changeSet.SceneName);
dstEntities.SetName(sceneEntity, "Scene (LiveLink): " + changeSet.SceneName);
#endif
}
else
{
sectionEntity = dstEntities.GetBuffer<ResolvedSectionEntity>(sceneEntity)[0].SectionEntity;
}
// SceneTag.SceneEntity == Entity.Null is reserved for new entities added via live link.
if (_AddedScenesQuery.CalculateChunkCount() != 0)
{
Debug.LogWarning("SceneTag.SceneEntity must not reference Entity.Null. Destroying Entities.");
dstEntities.DestroyEntity(_AddedScenesQuery);
}
EntityPatcher.ApplyChangeSet(_DstWorld.EntityManager, changeSet.Changes);
//liveLink.ConvertedShadowWorld.EntityManager.Debug.CheckInternalConsistency();
dstEntities.SetSharedComponentData(_AddedScenesQuery, new SceneTag { SceneEntity = sectionEntity });
EditorUpdateUtility.EditModeQueuePlayerLoopUpdate();
}
/// <summary>
/// Pushes forward changes from the tracker to the applier.
/// </summary>
protected static void PushChanges(EntityManagerDiffer differ, EntityManager target, bool fastForward = true)
{
var options = EntityManagerDifferOptions.IncludeForwardChangeSet;
if (fastForward)
{
options |= EntityManagerDifferOptions.FastForwardShadowWorld;
}
using (var changes = differ.GetChanges(options, Allocator.TempJob))
{
EntityPatcher.ApplyChangeSet(target, changes.ForwardChangeSet);
}
}
public void Validate()
{
var srcEm = SourceWorld.EntityManager;
var dstEm = DestinationWorld.EntityManager;
using (var changes = EntityDiffer.GetChanges(srcEm, dstEm, _differOptions, Query, _srcBlobAssets, Allocator.TempJob))
{
EntityPatcher.ApplyChangeSet(dstEm, changes.ForwardChangeSet);
}
using (var changes = EntityDiffer.GetChanges(dstEm, srcEm, _differOptions, Query, _dstBlobAssets, Allocator.TempJob))
{
if (!changes.ForwardChangeSet.HasChanges)
{
return;
}
// TODO: Format the entity changeset nicely and print it out
throw new Exception("Diff is not zero!");
}
}
public void PatchWithObjectReferenceResolving()
{
var material = AssetDatabase.LoadAssetAtPath <Material>("Packages/com.unity.entities/Unity.Scenes.Hybrid.Tests/Test.mat");
using (var differ = new EntityManagerDiffer(SrcWorld.EntityManager, Allocator.TempJob))
{
var entityGuid = CreateEntityGuid();
var entity = SrcEntityManager.CreateEntity();
SrcEntityManager.AddComponentData(entity, entityGuid);
SrcEntityManager.AddSharedComponentData(entity, new ComponentWithObjectRef {
Material = material
});
SrcEntityManager.AddComponentData(entity, new EcsTestData(5));
var options = EntityManagerDifferOptions.IncludeForwardChangeSet | EntityManagerDifferOptions.FastForwardShadowWorld;
using (var changes = differ.GetChanges(options, Allocator.TempJob))
{
var srcChange = new LiveLinkChangeSet
{
Changes = changes.ForwardChangeSet,
SceneName = "Boing",
UnloadAllPreviousEntities = true,
SceneGUID = new Unity.Entities.Hash128(),
FramesToRetainBlobAssets = 1
};
var changeSet = SerializeAndDeserialize(srcChange);
AssertChangeSetsAreEqual(srcChange, changeSet);
EntityPatcher.ApplyChangeSet(DstEntityManager, changeSet.Changes);
changeSet.Dispose();
}
var dstMaterial = GetSharedComponentData <ComponentWithObjectRef>(DstEntityManager, entityGuid).Material;
Assert.AreEqual(material, dstMaterial);
Assert.AreEqual(5, GetComponentData <EcsTestData>(DstEntityManager, entityGuid).value);
}
}
public void UndoRedoPrefabInstancesWithRelationship()
{
const int instanceCount = 10;
var srcPrefabRootGuid = CreateEntityGuid();
var srcPrefabLevel0Guid = CreateEntityGuid();
var prefabLevel1Guid = CreateEntityGuid();
const EntityManagerDifferOptions options = EntityManagerDifferOptions.IncludeForwardChangeSet |
EntityManagerDifferOptions.FastForwardShadowWorld;
using (var differ = new EntityManagerDiffer(SrcEntityManager, Allocator.TempJob))
{
// Create Root Prefab entity with a Guid component
var srcPrefabRoot = SrcEntityManager.CreateEntity(typeof(HierarchyComponent), typeof(Prefab), typeof(LinkedEntityGroup));
SrcEntityManager.AddComponentData(srcPrefabRoot, srcPrefabRootGuid);
SrcEntityManager.GetBuffer <LinkedEntityGroup>(srcPrefabRoot).Add(srcPrefabRoot);
PushChanges(differ, DstEntityManager);
using (var changes = differ.GetChanges(options, Allocator.TempJob))
{
EntityPatcher.ApplyChangeSet(DstEntityManager, changes.ForwardChangeSet);
}
// Instantiate root prefab in dst world 10 times
var dstPrefabRoot = GetEntity(DstEntityManager, srcPrefabRootGuid);
var dstInstanceRoots = new Entity[instanceCount];
for (var i = 0; i != dstInstanceRoots.Length; i++)
{
var dstInstanceRoot = DstEntityManager.Instantiate(dstPrefabRoot);
dstInstanceRoots[i] = dstInstanceRoot;
Assert.AreEqual(1, DstEntityManager.GetBuffer <LinkedEntityGroup>(dstInstanceRoot).Length);
Assert.AreEqual(dstInstanceRoot, DstEntityManager.GetBuffer <LinkedEntityGroup>(dstInstanceRoot)[0].Value);
}
// Add level 0 entity to the prefab
var srcLevel0Prefab = SrcEntityManager.CreateEntity(typeof(HierarchyComponent), typeof(Prefab));
SrcEntityManager.AddComponentData(srcLevel0Prefab, srcPrefabLevel0Guid);
SrcEntityManager.GetBuffer <LinkedEntityGroup>(srcPrefabRoot).Add(srcLevel0Prefab);
SrcEntityManager.SetComponentData(srcPrefabRoot, new HierarchyComponent {
Parent = Entity.Null, Child = srcLevel0Prefab
});
SrcEntityManager.SetComponentData(srcLevel0Prefab, new HierarchyComponent {
Parent = srcPrefabRoot, Child = Entity.Null
});
// Synchronize worlds, we now should have 10 instances in the world along with a level0 for each
// and hierarchy matching the relationships create
PushChanges(differ, DstEntityManager);
for (var i = 0; i != dstInstanceRoots.Length; i++)
{
var dstInstanceRoot = dstInstanceRoots[i];
var dstInstanceGroup = DstEntityManager.GetBuffer <LinkedEntityGroup>(dstInstanceRoot);
var dstInstanceLevel0 = dstInstanceGroup[1].Value;
Assert.AreEqual(2, dstInstanceGroup.Length);
Assert.AreEqual(dstInstanceRoot, dstInstanceGroup[0].Value);
Assert.AreEqual(dstInstanceLevel0, dstInstanceGroup[1].Value);
var hierarchyLevel0 = DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel0);
var hierarchyRoot = DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceRoot);
Assert.AreEqual(dstInstanceRoot, hierarchyLevel0.Parent);
Assert.AreEqual(dstInstanceLevel0, hierarchyRoot.Child);
}
// Add level 1 entity to the prefab
var srcLevel1Prefab = SrcEntityManager.CreateEntity(typeof(HierarchyComponent), typeof(Prefab));
SrcEntityManager.AddComponentData(srcLevel1Prefab, prefabLevel1Guid);
SrcEntityManager.GetBuffer <LinkedEntityGroup>(srcPrefabRoot).Add(srcLevel1Prefab);
SrcEntityManager.SetComponentData(srcLevel0Prefab, new HierarchyComponent {
Parent = srcPrefabRoot, Child = srcLevel1Prefab
});
SrcEntityManager.SetComponentData(srcLevel1Prefab, new HierarchyComponent {
Parent = srcLevel0Prefab, Child = Entity.Null
});
// Synchronize worlds, we now should have 10 instances of level 1 linked to their matching level 0
PushChanges(differ, DstEntityManager);
for (var i = 0; i != dstInstanceRoots.Length; i++)
{
var dstRootInstance = dstInstanceRoots[i];
var dstInstanceGroup = DstEntityManager.GetBuffer <LinkedEntityGroup>(dstRootInstance);
Assert.AreEqual(3, dstInstanceGroup.Length);
Assert.AreEqual(dstRootInstance, dstInstanceGroup[0].Value);
var dstInstanceLevel0 = dstInstanceGroup[1].Value;
var dstInstanceLevel1 = dstInstanceGroup[2].Value;
Assert.AreEqual(dstInstanceLevel0, DstEntityManager.GetComponentData <HierarchyComponent>(dstRootInstance).Child);
Assert.AreEqual(dstRootInstance, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel0).Parent);
Assert.AreEqual(dstInstanceLevel1, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel0).Child);
Assert.AreEqual(dstInstanceLevel0, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel1).Parent);
}
// Remove level 1 entity from the prefab
SrcEntityManager.GetBuffer <LinkedEntityGroup>(srcPrefabRoot).RemoveAt(2);
SrcEntityManager.DestroyEntity(srcLevel1Prefab);
// Fix the hierarchy of level 0 to remove the link to level 1
SrcEntityManager.SetComponentData(srcLevel0Prefab, new HierarchyComponent {
Parent = srcPrefabRoot, Child = Entity.Null
});
// Synchronize worlds, destination world should no longer have instances of level 1
PushChanges(differ, DstEntityManager);
for (var i = 0; i != dstInstanceRoots.Length; i++)
{
var dstRootInstance = dstInstanceRoots[i];
var dstInstanceGroup = DstEntityManager.GetBuffer <LinkedEntityGroup>(dstRootInstance);
Assert.AreEqual(2, dstInstanceGroup.Length);
Assert.AreEqual(dstRootInstance, dstInstanceGroup[0].Value);
var dstInstanceLevel1 = dstInstanceGroup[1].Value;
Assert.AreEqual(dstInstanceLevel1, DstEntityManager.GetComponentData <HierarchyComponent>(dstRootInstance).Child);
Assert.AreEqual(dstRootInstance, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel1).Parent);
Assert.AreEqual(Entity.Null, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel1).Child);
}
// Add again level 1 as a Child of level 0
srcLevel1Prefab = SrcEntityManager.CreateEntity(typeof(HierarchyComponent), typeof(Prefab));
SrcEntityManager.AddComponentData(srcLevel1Prefab, prefabLevel1Guid);
SrcEntityManager.GetBuffer <LinkedEntityGroup>(srcPrefabRoot).Add(srcLevel1Prefab);
SrcEntityManager.SetComponentData(srcLevel0Prefab, new HierarchyComponent {
Parent = srcPrefabRoot, Child = srcLevel1Prefab
});
SrcEntityManager.SetComponentData(srcLevel1Prefab, new HierarchyComponent {
Parent = srcLevel0Prefab, Child = Entity.Null
});
PushChanges(differ, DstEntityManager);
for (var i = 0; i != dstInstanceRoots.Length; i++)
{
var dstRootInstance = dstInstanceRoots[i];
var dstInstanceGroup = DstEntityManager.GetBuffer <LinkedEntityGroup>(dstRootInstance);
Assert.AreEqual(3, dstInstanceGroup.Length);
Assert.AreEqual(dstRootInstance, dstInstanceGroup[0].Value);
var dstInstanceLevel0 = dstInstanceGroup[1].Value;
var dstInstanceLevel1 = dstInstanceGroup[2].Value;
Assert.AreEqual(dstInstanceLevel0, DstEntityManager.GetComponentData <HierarchyComponent>(dstRootInstance).Child);
Assert.AreEqual(dstRootInstance, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel0).Parent);
Assert.AreEqual(dstInstanceLevel1, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel0).Child);
Assert.AreEqual(dstInstanceLevel0, DstEntityManager.GetComponentData <HierarchyComponent>(dstInstanceLevel1).Parent);
}
}
}
