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65 lines
1.9 KiB
C++
65 lines
1.9 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/EBus/EBus.h>
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namespace AZ
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{
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class Entity;
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}
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namespace AzFramework
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{
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using EntityContextId = AZ::Uuid;
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using EntityList = AZStd::vector<AZ::Entity*>;
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class EntityOwnershipService;
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class EntityOwnershipServiceInterface
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{
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public:
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AZ_RTTI(EntityOwnershipServiceInterface, "{6490E958-5DF5-45CF-9A25-D857DB0C67DB}");
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EntityOwnershipServiceInterface() = default;
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virtual ~EntityOwnershipServiceInterface() = default;
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virtual AZStd::unique_ptr<EntityOwnershipService> CreateEntityOwnershipService() = 0;
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};
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class EntityOwnershipServiceNotifications
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: public AZ::EBusTraits
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{
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public:
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// We don't want anybody other than entity contexts to listen to these events.
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
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using BusIdType = EntityContextId;
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/**
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* Sends a notification before resetting the Entity Ownership Service.
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*/
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virtual void PrepareForEntityOwnershipServiceReset() = 0;
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/**
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* Sends a notification indicating that the Entity Ownership Service has been reset.
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*/
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virtual void OnEntityOwnershipServiceReset() = 0;
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/**
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* Signals that entities from a given stream have been reloaded.
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* @param entities A reference to a list of entities that are reloaded from the given stream.
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*/
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virtual void OnEntitiesReloadedFromStream(const EntityList& entities) = 0;
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};
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using EntityOwnershipServiceNotificationBus = AZ::EBus<EntityOwnershipServiceNotifications>;
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}
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