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63 lines
2.8 KiB
C++
63 lines
2.8 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <AzCore/Component/Component.h>
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#include <AzCore/Memory/SystemAllocator.h>
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#include <AzToolsFramework/ContainerEntity/ContainerEntityInterface.h>
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#include <AzToolsFramework/Entity/EditorEntityContextBus.h>
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namespace AzToolsFramework
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{
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//! System Component to track Container Entity registration and open state.
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//! An entity registered as Container is just like a regular entity when open. If its state is changed
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//! to closed, all descendants of the entity will be treated as part of the entity itself. Selecting any
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//! descendant will result in the container being selected, and descendants will be hidden until the
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//! container is opened.
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class ContainerEntitySystemComponent final
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: public AZ::Component
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, private ContainerEntityInterface
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, private EditorEntityContextNotificationBus::Handler
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{
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public:
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AZ_COMPONENT(ContainerEntitySystemComponent, "{74349759-B36B-44A6-B89F-F45D7111DD11}");
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ContainerEntitySystemComponent() = default;
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virtual ~ContainerEntitySystemComponent() = default;
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// AZ::Component overrides ...
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void Activate() override;
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void Deactivate() override;
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static void Reflect(AZ::ReflectContext* context);
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
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// ContainerEntityInterface overrides ...
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ContainerEntityOperationResult RegisterEntityAsContainer(AZ::EntityId entityId) override;
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ContainerEntityOperationResult UnregisterEntityAsContainer(AZ::EntityId entityId) override;
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bool IsContainer(AZ::EntityId entityId) const override;
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ContainerEntityOperationResult SetContainerOpen(AZ::EntityId entityId, bool open) override;
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bool IsContainerOpen(AZ::EntityId entityId) const override;
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AZ::EntityId FindHighestSelectableEntity(AZ::EntityId entityId) const override;
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void RefreshAllContainerEntities(AzFramework::EntityContextId entityContextId) const override;
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ContainerEntityOperationResult Clear(AzFramework::EntityContextId entityContextId) override;
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bool IsUnderClosedContainerEntity(AZ::EntityId entityId) const override;
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// EditorEntityContextNotificationBus overrides ...
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void OnEntityStreamLoadSuccess() override;
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private:
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AZStd::unordered_set<AZ::EntityId> m_containers; //!< All entities in this set are containers.
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AZStd::unordered_set<AZ::EntityId> m_openContainers; //!< All entities in this set are open containers.
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};
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} // namespace AzToolsFramework
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