Fixing pivot offset when performing undo on Transform component (#6150)

* Fixing undo offest on transform component

Signed-off-by: Mikhail Naumov <mnaumov@amazon.com>

* Fixining possible issue with firing an unnecessary OnTransformChanged event when entity is manually disabled/enabled

Signed-off-by: Mikhail Naumov <mnaumov@amazon.com>

* Adding better comments

Signed-off-by: Mikhail Naumov <mnaumov@amazon.com>

* Unit tests

Signed-off-by: Mikhail Naumov <mnaumov@amazon.com>

* Cherrupicking changes

Signed-off-by: Mikhail Naumov <mnaumov@amazon.com>
This commit is contained in:
Mikhail Naumov
2021-12-06 08:46:47 -06:00
committed by GitHub
parent dc8f9dc233
commit c5615f812c
6 changed files with 181 additions and 79 deletions
@@ -37,16 +37,11 @@ namespace UnitTest
m_model->Initialize();
m_modelTester =
AZStd::make_unique<QAbstractItemModelTester>(m_model.get(), QAbstractItemModelTester::FailureReportingMode::Fatal);
AzToolsFramework::ToolsApplicationRequestBus::BroadcastResult(
m_undoStack, &AzToolsFramework::ToolsApplicationRequestBus::Events::GetUndoStack);
AZ_Assert(m_undoStack, "Failed to look up undo stack from tools application");
// Create a new root prefab - the synthetic "NewLevel.prefab" that comes in by default isn't suitable for outliner tests
// because it's created before the EditorEntityModel that our EntityOutlinerListModel subscribes to, and we want to
// recreate it as part of the fixture regardless.
auto entityOwnershipService = AZ::Interface<AzToolsFramework::PrefabEditorEntityOwnershipInterface>::Get();
entityOwnershipService->CreateNewLevelPrefab("UnitTestRoot.prefab", "");
CreateRootPrefab();
}
void TearDownEditorFixtureImpl() override
@@ -56,45 +51,7 @@ namespace UnitTest
m_model.reset();
PrefabTestFixture::TearDownEditorFixtureImpl();
}
// Creates an entity with a given name as one undoable operation
// Parents to parentId, or the root prefab container entity if parentId is invalid
AZ::EntityId CreateNamedEntity(AZStd::string name, AZ::EntityId parentId = AZ::EntityId())
{
auto createResult = m_prefabPublicInterface->CreateEntity(parentId, AZ::Vector3());
AZ_Assert(createResult.IsSuccess(), "Failed to create entity: %s", createResult.GetError().c_str());
AZ::EntityId entityId = createResult.GetValue();
AZ::Entity* entity = nullptr;
AZ::ComponentApplicationBus::BroadcastResult(entity, &AZ::ComponentApplicationRequests::FindEntity, entityId);
entity->Deactivate();
entity->SetName(name);
// Normally, in invalid parent ID should automatically parent us to the root prefab, but currently in the unit test
// environment entities aren't created with a default transform component, so CreateEntity won't correctly parent.
// We get the actual target parent ID here, then create our missing transform component.
if (!parentId.IsValid())
{
auto prefabEditorEntityOwnershipInterface = AZ::Interface<AzToolsFramework::PrefabEditorEntityOwnershipInterface>::Get();
parentId = prefabEditorEntityOwnershipInterface->GetRootPrefabInstance()->get().GetContainerEntityId();
}
auto transform = aznew AzToolsFramework::Components::TransformComponent;
transform->SetParent(parentId);
entity->AddComponent(transform);
entity->Activate();
// Update our undo cache entry to include the rename / reparent as one atomic operation.
m_prefabPublicInterface->GenerateUndoNodesForEntityChangeAndUpdateCache(entityId, m_undoStack->GetTop());
ProcessDeferredUpdates();
return entityId;
}
// Helper to visualize debug state
void PrintModel()
{
@@ -125,32 +82,16 @@ namespace UnitTest
}
// Kicks off any updates scheduled for the next tick
void ProcessDeferredUpdates()
void ProcessDeferredUpdates() override
{
// Force a prefab propagation for updates that are deferred to the next tick.
m_prefabSystemComponent->OnSystemTick();
PrefabTestFixture::ProcessDeferredUpdates();
// Ensure the model process its entity update queue
m_model->ProcessEntityUpdates();
}
// Performs an undo operation and ensures the tick-scheduled updates happen
void Undo()
{
m_undoStack->Undo();
ProcessDeferredUpdates();
}
// Performs a redo operation and ensures the tick-scheduled updates happen
void Redo()
{
m_undoStack->Redo();
ProcessDeferredUpdates();
}
AZStd::unique_ptr<AzToolsFramework::EntityOutlinerListModel> m_model;
AZStd::unique_ptr<QAbstractItemModelTester> m_modelTester;
AzToolsFramework::UndoSystem::UndoStack* m_undoStack = nullptr;
};
TEST_F(EntityOutlinerTest, TestCreateFlatHierarchyUndoAndRedoWorks)
@@ -159,7 +100,7 @@ namespace UnitTest
for (size_t i = 0; i < entityCount; ++i)
{
CreateNamedEntity(AZStd::string::format("Entity%zu", i));
CreateEntityUnderRootPrefab(AZStd::string::format("Entity%zu", i));
EXPECT_EQ(m_model->rowCount(GetRootIndex()), i + 1);
}
@@ -195,7 +136,7 @@ namespace UnitTest
AZ::EntityId parentId;
for (int i = 0; i < depth; i++)
{
parentId = CreateNamedEntity(AZStd::string::format("EntityDepth%i", i), parentId);
parentId = CreateEntityUnderRootPrefab(AZStd::string::format("EntityDepth%i", i), parentId);
EXPECT_EQ(modelDepth(), i + 1);
}