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c579283605
- Changed StaticMesh to just have a blind UObject pointer to the EditableMesh #codereview richard.talbotwatkin #rb none [CL 3354704 by Mike Fricker in Dev-Geometry branch]
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#include "StaticMeshEditableMeshFormat.h"
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#include "EditableMesh.h"
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#include "Engine/StaticMesh.h"
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#include "Components/StaticMeshComponent.h"
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#include "StaticMeshResources.h"
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#include "EditableStaticMesh.h"
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void FStaticMeshEditableMeshFormat::FillMeshObjectPtr( UPrimitiveComponent& Component, FEditableMeshSubMeshAddress& SubMeshAddress )
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{
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SubMeshAddress.MeshObjectPtr = nullptr;
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const UStaticMeshComponent* StaticMeshComponentPtr = Cast<const UStaticMeshComponent>( &Component );
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if( StaticMeshComponentPtr != nullptr )
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{
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const UStaticMeshComponent& StaticMeshComponent = *StaticMeshComponentPtr;
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UStaticMesh* ComponentStaticMesh = StaticMeshComponent.GetStaticMesh();
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if( ComponentStaticMesh != nullptr && ComponentStaticMesh->HasValidRenderData() )
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{
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SubMeshAddress.MeshObjectPtr = ComponentStaticMesh;
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}
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}
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}
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UEditableMesh* FStaticMeshEditableMeshFormat::MakeEditableMesh( UPrimitiveComponent& Component, const FEditableMeshSubMeshAddress& SubMeshAddress )
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{
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// If the static mesh already has an attached UEditableStaticMesh, use that in preference to creating a new one
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const UStaticMeshComponent* StaticMeshComponentPtr = Cast<const UStaticMeshComponent>( &Component );
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if( StaticMeshComponentPtr != nullptr )
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{
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const UStaticMeshComponent& StaticMeshComponent = *StaticMeshComponentPtr;
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if( StaticMeshComponent.GetStaticMesh() != nullptr )
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{
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UEditableMesh* EditableMesh = Cast<UEditableMesh>( StaticMeshComponent.GetStaticMesh()->EditableMesh );
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if( EditableMesh )
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{
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EditableMesh->SetSubMeshAddress( SubMeshAddress );
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return EditableMesh;
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}
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}
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}
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UEditableStaticMesh* EditableStaticMesh = NewObject<UEditableStaticMesh>();
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EditableStaticMesh->InitEditableStaticMesh( Component, SubMeshAddress );
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// Don't bother returning a new mesh if it has no geometry
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if( EditableStaticMesh->GetVertexCount() == 0 )
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{
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EditableStaticMesh->MarkPendingKill();
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EditableStaticMesh = nullptr;
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}
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return EditableStaticMesh;
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}
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