NavDataGenerator.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_5
#include "CoreMinimal.h"
#include "AI/Navigation/NavigationTypes.h"
#endif // UE_ENABLE_INCLUDE_ORDER_DEPRECATED_IN_5_5
 
#include "EngineDefines.h"
#include "Templates/SharedPointer.h"
 
struct FNavigationDirtyArea;
 
class FNavDataGenerator : public TSharedFromThis<FNavDataGenerator, ESPMode::ThreadSafe>
{
public:
    virtual ~FNavDataGenerator() {}
 
    virtual bool RebuildAll() { return false; };
 
    virtual void EnsureBuildCompletion() {};
 
    virtual void CancelBuild() {};
 
    virtual void TickAsyncBuild(float DeltaSeconds) {};
    
    virtual void OnNavigationBoundsChanged() {};
 
    virtual void RebuildDirtyAreas(const TArray<FNavigationDirtyArea>& DirtyAreas) {}
 
    virtual bool IsBuildInProgressCheckDirty() const { return false; }
 
    virtual bool GetTimeSliceData(int32& OutNumRemainingBuildTasks, double& OutCurrentBuildTaskDuration) const { OutNumRemainingBuildTasks = 0; OutCurrentBuildTaskDuration = 0.; return false; }
 
    virtual int32 GetNumRemaningBuildTasks() const { return 0; };
 
    virtual int32 GetNumRunningBuildTasks() const { return 0; };
 
    //----------------------------------------------------------------------//
    // debug
    //----------------------------------------------------------------------//
    virtual uint32 LogMemUsed() const { return 0; }
 
#if ENABLE_VISUAL_LOG
    virtual void ExportNavigationData(const FString& FileName) const {}
    virtual void GrabDebugSnapshot(struct FVisualLogEntry* Snapshot, const FBox& BoundingBox, const FName& CategoryName, ELogVerbosity::Type Verbosity) const {}
#endif
};