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o3de/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabFocusPublicInterface.h
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srikappa-amzn 4dd9e94bc3 Add tests for deleting an entity from the level and from another prefab (#5839)
* Added tests for deleting entity under level and other prefabs

Signed-off-by: srikappa-amzn <82230713+srikappa-amzn@users.noreply.github.com>

* Added class comments and improved variable names

Signed-off-by: srikappa-amzn <82230713+srikappa-amzn@users.noreply.github.com>

* Called the reflect function of PrefabFocusHandler from PrefabSystemComponent

Signed-off-by: srikappa-amzn <82230713+srikappa-amzn@users.noreply.github.com>

* Added function comments and made an if statement to be one line

Signed-off-by: srikappa-amzn <82230713+srikappa-amzn@users.noreply.github.com>
2021-11-30 08:20:25 -08:00

76 lines
3.7 KiB
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/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Interface/Interface.h>
#include <AzCore/Serialization/SerializeContext.h>
#include <AzFramework/Entity/EntityContext.h>
#include <AzToolsFramework/Prefab/Instance/Instance.h>
#include <AzToolsFramework/Prefab/Template/Template.h>
namespace AzToolsFramework::Prefab
{
using PrefabFocusOperationResult = AZ::Outcome<void, AZStd::string>;
//! Public Interface for external systems to utilize the Prefab Focus system.
class PrefabFocusPublicInterface
{
public:
AZ_RTTI(PrefabFocusPublicInterface, "{53EE1D18-A41F-4DB1-9B73-9448F425722E}");
//! Set the focused prefab instance to the owning instance of the entityId provided. Supports undo/redo.
//! @param entityId The entityId of the entity whose owning instance we want the prefab system to focus on.
virtual PrefabFocusOperationResult FocusOnOwningPrefab(AZ::EntityId entityId) = 0;
//! Set the focused prefab instance to the parent of the currently focused prefab instance. Supports undo/redo.
virtual PrefabFocusOperationResult FocusOnParentOfFocusedPrefab(AzFramework::EntityContextId entityContextId) = 0;
//! Set the focused prefab instance to the instance at position index of the current path. Supports undo/redo.
//! @param index The index of the instance in the current path that we want the prefab system to focus on.
virtual PrefabFocusOperationResult FocusOnPathIndex(AzFramework::EntityContextId entityContextId, int index) = 0;
//! Returns the entity id of the container entity for the instance the prefab system is focusing on.
virtual AZ::EntityId GetFocusedPrefabContainerEntityId(AzFramework::EntityContextId entityContextId) const = 0;
//! Returns whether the entity belongs to the instance that is being focused on.
//! @param entityId The entityId of the queried entity.
//! @return true if the entity belongs to the focused instance, false otherwise.
virtual bool IsOwningPrefabBeingFocused(AZ::EntityId entityId) const = 0;
//! Returns whether the entity belongs to the instance that is being focused on, or one of its descendants.
//! @param entityId The entityId of the queried entity.
//! @return true if the entity belongs to the focused instance or one of its descendants, false otherwise.
virtual bool IsOwningPrefabInFocusHierarchy(AZ::EntityId entityId) const = 0;
//! Returns the path from the root instance to the currently focused instance.
//! @return A path composed from the names of the container entities for the instance path.
virtual const AZ::IO::Path& GetPrefabFocusPath(AzFramework::EntityContextId entityContextId) const = 0;
//! Returns the size of the path to the currently focused instance.
virtual const int GetPrefabFocusPathLength(AzFramework::EntityContextId entityContextId) const = 0;
};
/**
* The primary purpose of this bus is to facilitate writing automated tests for prefab focus mode.
* If you would like to integrate prefabs focus mode into your system, please call PrefabFocusPublicInterface
* for better performance.
*/
class PrefabFocusPublicRequests
: public AZ::EBusTraits
{
public:
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
};
using PrefabFocusPublicRequestBus = AZ::EBus<PrefabFocusPublicInterface, PrefabFocusPublicRequests>;
} // namespace AzToolsFramework::Prefab