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* Adding some first pass UI for editing the Universal Object Locators that are used to bind objects to tracks in Sequencer. This is currently in the form of: * An 'Add Empty Binding' item in the + Actor to Sequencer menu * A 'Binding Properties' sub-menu in the object binding track properties that allows you to modify the array of UOL's that bind objects to the track. This allows you to specifically select certain UOL types and then fill in the data that makes up that UOL. This is necessary for example for the FortAIPlayerPawn binding we plan on adding for UEFN. * Major refactor of MovieScene binding code to more seamlessly allow for the use of the Locator resolution, especially in the case of supporting locators that spawn actors, either in the case of editor preview actors or future runtime 'spawnables'. This was necessary to consolidate the cases where locator resolve params were being created to as few places as possible for simplicity. * Add the concept of 'default' editor and runtime flags to locators to make it easier for Sequencer to know how to interact with bindings of different types. These flags are then stored with the binding in Sequencer and editable by users as necessary. Sequencer treats 'load'/'unload' in this case similar to 'spawn'/'despawn' and generally speaking resolving a locator with editor flags of 'load' will expect the locator to spawn an actor for preview, while resolving a locator with runtime flags of 'load' will expect the locator to create a 'spawnable' character. * To manage lifetime of these preview/spawnable characters, created an interface for a 'LocatorSpawnedCache' which the locators interact with when creating or destroying an actor. This allows the resolver of locators to differentiate between cases where they expect multiple resolves of the same locator to create duplicate actors vs. resolve to the same actor and track the lifetimes of these spawned actors. * Sequencer implements the above cache within its own object cache in evaluation state. * Expand the role of the previously created Binding Lifetime track to trigger loading/unloading via locators in the cache. The Binding Lifetime track will now automatically be added to a binding if its locator type contains 'Load' as a default editor or runtime flag. * Some other editor updates to support the above. Future issues to be resolved: * We want to more easily expose the editing of binding properties when necessary rather than having it buried in a sub-menu. Ideas for this include some kind of UI on the track itself, for example a combo box with binding types on it, as well as potentially the properties menu appearing on hovering over the possessable icon on the object binding track. We also want to expose properties based on selection, for example object binding properties, track properties, and section properties, in another external window. * We want to eventually replace the 'Actor to Sequencer' and 'Assign Actor' menu with this once the UX is better. The above was all tested with a Fortnite NPC Locator type which will be added in a separate changelist. [REVIEW] [at]ue-sequencer #jira UE-199299 [CL 30596833 by david bromberg in ue5-main branch]
7 lines
276 B
C++
7 lines
276 B
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ILocatorSpawnedCache.h"
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#include "UniversalObjectLocatorResolveParams.h"
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UE::UniversalObjectLocator::TParameterTypeHandle<FLocatorSpawnedCacheResolveParameter> FLocatorSpawnedCacheResolveParameter::ParameterType;
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