36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "MaterialEditor/MaterialEditorMeshComponent.h"
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#include "Engine/StaticMesh.h"
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#include "PhysicsEngine/BodySetup.h"
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FBoxSphereBounds UMaterialEditorMeshComponent::CalcBounds(const FTransform& LocalToWorld) const
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{
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if (GetStaticMesh())
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{
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// Graphics bounds.
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FBoxSphereBounds NewBounds = GetStaticMesh()->GetBounds().TransformBy(LocalToWorld);
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// Add bounds of collision geometry (if present).
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if (GetStaticMesh()->GetBodySetup())
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{
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// Use more accurate but expensive bounds function for the material editor only
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FBoxSphereBounds AggGeomBounds;
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GetStaticMesh()->GetBodySetup()->AggGeom.CalcBoxSphereBounds(AggGeomBounds, LocalToWorld);
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if (AggGeomBounds.SphereRadius != 0.f)
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{
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NewBounds = Union(NewBounds, AggGeomBounds);
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}
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}
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NewBounds.BoxExtent *= BoundsScale;
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NewBounds.SphereRadius *= BoundsScale;
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return NewBounds;
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}
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else
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{
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return FBoxSphereBounds(LocalToWorld.GetLocation(), FVector::ZeroVector, 0.f);
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}
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}
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