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#jira UETOOL-3823 #rb lonnie.li #preflight 617b1aea5794a500014f544a #ROBOMERGE-AUTHOR: michael.balzer #ROBOMERGE-SOURCE: CL 17972239 in //UE5/Release-5.0/... via CL 17972248 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v885-17909292) #ROBOMERGE[STARSHIP]: UE5-Main [CL 17972256 by michael balzer in ue5-release-engine-test branch]
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Changes/MeshChange.h"
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#include "Changes/MeshReplacementChange.h"
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#include "DynamicMeshChangeTarget.generated.h"
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PREDECLARE_USE_GEOMETRY_CLASS(FDynamicMesh3);
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/**
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* Bare bones wrapper of FDynamicMesh3 that supports MeshReplacementChange-based updates. Shares the mesh ptr with the MeshReplacementChange objects, so it must not be changed directly
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* TODO: also support other MeshChange objects (by making a copy of the mesh when applying these changes)
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*/
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UCLASS(Transient)
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class MODELINGCOMPONENTS_API UDynamicMeshReplacementChangeTarget : public UObject, public IMeshReplacementCommandChangeTarget
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{
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GENERATED_BODY()
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protected:
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TSharedPtr<const FDynamicMesh3, ESPMode::ThreadSafe> Mesh;
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public:
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UDynamicMeshReplacementChangeTarget() = default;
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UDynamicMeshReplacementChangeTarget(TSharedPtr<const FDynamicMesh3, ESPMode::ThreadSafe> Mesh) : Mesh(Mesh)
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{}
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virtual ~UDynamicMeshReplacementChangeTarget() = default;
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/**
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* Apply/Revert a general mesh change to the internal mesh (implements IMeshReplacementCommandChangeTarget)
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*/
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virtual void ApplyChange(const FMeshReplacementChange* Change, bool bRevert) override;
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virtual void SetMesh(TSharedPtr<const FDynamicMesh3, ESPMode::ThreadSafe> MeshIn)
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{
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Mesh = MeshIn;
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}
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const TSharedPtr<const FDynamicMesh3, ESPMode::ThreadSafe>& GetMesh() const
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{
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return Mesh;
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}
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/**
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* Update the mesh and return a corresponding FChange
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* Does not emit the change.
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* Does not fire OnMeshChanged.
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*/
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TUniquePtr<FMeshReplacementChange> ReplaceMesh(const TSharedPtr<const FDynamicMesh3, ESPMode::ThreadSafe>& UpdateMesh);
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/**
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* This delegate fires when a FCommandChange is applied to this component, so that
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* parent objects know the mesh has changed.
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*/
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FSimpleMulticastDelegate OnMeshChanged;
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};
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