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#rnx #rb none #ROBOMERGE-OWNER: ryan.durand #ROBOMERGE-AUTHOR: ryan.durand #ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900 #ROBOMERGE-BOT: (v613-10869866) [CL 10870549 by ryan durand in Main branch]
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "NavigationDirtyAreasController.h"
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#include "NavigationData.h"
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//----------------------------------------------------------------------//
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// FNavigationDirtyAreasController
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//----------------------------------------------------------------------//
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FNavigationDirtyAreasController::FNavigationDirtyAreasController()
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: bCanAccumulateDirtyAreas(true)
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#if !UE_BUILD_SHIPPING
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, bDirtyAreasReportedWhileAccumulationLocked(false)
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#endif // !UE_BUILD_SHIPPING
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{
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}
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void FNavigationDirtyAreasController::ForceRebuildOnNextTick()
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{
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float MinTimeForUpdate = (DirtyAreasUpdateFreq != 0.f ? (1.0f / DirtyAreasUpdateFreq) : 0.f);
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DirtyAreasUpdateTime = FMath::Max(DirtyAreasUpdateTime, MinTimeForUpdate);
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}
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void FNavigationDirtyAreasController::Tick(const float DeltaSeconds, const TArray<ANavigationData*>& NavDataSet, bool bForceRebuilding)
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{
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DirtyAreasUpdateTime += DeltaSeconds;
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const bool bCanRebuildNow = bForceRebuilding || (DirtyAreasUpdateFreq != 0.f && DirtyAreasUpdateTime >= (1.0f / DirtyAreasUpdateFreq));
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if (DirtyAreas.Num() > 0 && bCanRebuildNow)
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{
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for (ANavigationData* NavData : NavDataSet)
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{
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if (NavData)
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{
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NavData->RebuildDirtyAreas(DirtyAreas);
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}
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}
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DirtyAreasUpdateTime = 0.f;
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DirtyAreas.Reset();
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}
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}
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void FNavigationDirtyAreasController::AddArea(const FBox& NewArea, int32 Flags)
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{
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if (Flags > 0 && bCanAccumulateDirtyAreas && NewArea.IsValid)
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{
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DirtyAreas.Add(FNavigationDirtyArea(NewArea, Flags));
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}
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#if !UE_BUILD_SHIPPING
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bDirtyAreasReportedWhileAccumulationLocked = bDirtyAreasReportedWhileAccumulationLocked || (Flags > 0 && !bCanAccumulateDirtyAreas);
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#endif // !UE_BUILD_SHIPPING
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}
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void FNavigationDirtyAreasController::Reset()
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{
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// discard all pending dirty areas, we are going to rebuild navmesh anyway
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DirtyAreas.Reset();
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#if !UE_BUILD_SHIPPING
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bDirtyAreasReportedWhileAccumulationLocked = false;
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#endif // !UE_BUILD_SHIPPING
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}
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