57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "IdleService.h"
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#include "Model/Mix/MixUpdateCycle.h"
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#include <vector>
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#include <unordered_map>
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#define UE_API TEXTUREGRAPHENGINE_API
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class UModelObject;
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typedef std::shared_ptr<class Job> JobPtr;
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typedef std::unique_ptr<class Job> JobUPtr;
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typedef std::weak_ptr<class Job> JobPtrW;
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class UMixInterface;
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class ThumbnailsService : public IdleService
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{
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protected:
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JobBatchPtr Batch; /// The thumbnail rendering batch
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JobBatchPtr PrevBatch; /// Last rendered batch
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MixUpdateCyclePtr Cycle; /// The cycle that we'll be using for the thumbnail updates
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struct AddedJobs
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{
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JobBatchPtr AssociatedBatch; /// Batch holding the following job
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JobPtrW ThumbnailJob; /// Thumbnail updating job assigned
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};
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std::unordered_map<UObject*, AddedJobs> Handled; /// The components that we have already added jobs for
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UE_API JobBatchPtr CreateNewUpdateCycle(UMixInterface* Mix);
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UE_API JobBatchPtr GetNextUpdateCycle();
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public:
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DECLARE_MULTICAST_DELEGATE_OneParam(FOnThumbnailBatchDoneDelegate, JobBatchPtr Batch)
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FOnThumbnailBatchDoneDelegate OnUpdateThumbnailDelegate;
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UE_API ThumbnailsService();
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UE_API virtual ~ThumbnailsService() override;
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UE_API virtual AsyncJobResultPtr Tick() override;
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UE_API virtual void Stop() override;
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UE_API void AddUniqueJobToCycle(UObject* CreatorComponent, UMixInterface* Mix, JobUPtr ThumbnailJob, int32 TargetId, bool bForceExec = false); //Use this to always generate thumbnail from last update cycle
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//////////////////////////////////////////////////////////////////////////
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/// Inline functions
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//////////////////////////////////////////////////////////////////////////
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JobBatchPtr GetCurrentBatch() const { return Batch; }
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};
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typedef std::shared_ptr<ThumbnailsService> ThumbnailsServicePtr;
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typedef std::weak_ptr<ThumbnailsService> ThumbnailsServicePtrW;
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#undef UE_API
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