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cbfcbbb93b
#rb none Should be just copyright updates [CL 4680440 by Marcus Wassmer in Dev-Rendering branch]
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#include "NavModifierVolume.h"
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#include "NavigationSystem.h"
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#include "NavigationSystemTypes.h"
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#include "AI/NavigationModifier.h"
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#include "NavAreas/NavArea_Null.h"
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#include "NavigationOctree.h"
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#include "Components/BrushComponent.h"
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#include "AI/NavigationSystemHelpers.h"
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#include "Engine/CollisionProfile.h"
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//----------------------------------------------------------------------//
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// ANavModifierVolume
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//----------------------------------------------------------------------//
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ANavModifierVolume::ANavModifierVolume(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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, AreaClass(UNavArea_Null::StaticClass())
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{
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if (GetBrushComponent())
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{
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GetBrushComponent()->SetGenerateOverlapEvents(false);
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GetBrushComponent()->SetCollisionProfileName(UCollisionProfile::NoCollision_ProfileName);
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}
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}
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void ANavModifierVolume::GetNavigationData(FNavigationRelevantData& Data) const
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{
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if (Brush && AreaClass && AreaClass != FNavigationSystem::GetDefaultWalkableArea())
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{
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FAreaNavModifier AreaMod(GetBrushComponent(), AreaClass);
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Data.Modifiers.Add(AreaMod);
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}
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}
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FBox ANavModifierVolume::GetNavigationBounds() const
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{
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return GetComponentsBoundingBox(/*bNonColliding=*/ true);
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}
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void ANavModifierVolume::SetAreaClass(TSubclassOf<UNavArea> NewAreaClass)
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{
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if (NewAreaClass != AreaClass)
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{
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AreaClass = NewAreaClass;
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FNavigationSystem::UpdateActorData(*this);
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}
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}
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void ANavModifierVolume::RebuildNavigationData()
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{
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FNavigationSystem::UpdateActorData(*this);
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}
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#if WITH_EDITOR
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void ANavModifierVolume::PostEditUndo()
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{
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Super::PostEditUndo();
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FNavigationSystem::UpdateActorData(*this);
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}
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void ANavModifierVolume::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
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{
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static const FName NAME_AreaClass = GET_MEMBER_NAME_CHECKED(ANavModifierVolume, AreaClass);
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static const FName NAME_BrushComponent = TEXT("BrushComponent");
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Super::PostEditChangeProperty(PropertyChangedEvent);
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const FName PropName = PropertyChangedEvent.Property ? PropertyChangedEvent.Property->GetFName() : NAME_None;
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if (PropName == NAME_AreaClass)
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{
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FNavigationSystem::UpdateActorData(*this);
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}
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else if (PropName == NAME_BrushComponent)
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{
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if (GetBrushComponent())
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{
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if (GetBrushComponent()->GetBodySetup() && NavigationHelper::IsBodyNavigationRelevant(*GetBrushComponent()->GetBodySetup()))
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{
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FNavigationSystem::UpdateActorData(*this);
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}
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else
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{
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FNavigationSystem::OnActorUnregistered(*this);
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}
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}
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}
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}
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#endif
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