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118 lines
3.3 KiB
C++
118 lines
3.3 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 "UObject/ObjectMacros.h"
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#include "Misc/Guid.h"
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#include "Templates/RefCounting.h"
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#include "EngineDefines.h"
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#include "Serialization/BulkData.h"
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#include "LandscapeHeightfieldCollisionComponent.h"
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#include "Chaos/PhysicalMaterials.h"
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#include "LandscapeMeshCollisionComponent.generated.h"
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class UPhysicalMaterial;
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struct FNavigableGeometryExport;
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#if WITH_PHYSX
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namespace physx
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{
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class PxMaterial;
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class PxTriangleMesh;
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}
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#elif WITH_CHAOS
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namespace Chaos
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{
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class FTriangleMeshImplicitObject;
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}
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#endif
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UCLASS()
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class ULandscapeMeshCollisionComponent : public ULandscapeHeightfieldCollisionComponent
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{
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GENERATED_BODY()
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public:
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ULandscapeMeshCollisionComponent();
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virtual ~ULandscapeMeshCollisionComponent();
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// Keep the possibility to share projected height field PhysX object with editor mesh collision objects...
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/** Guid used to share PhysX heightfield objects in the editor */
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UPROPERTY()
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FGuid MeshGuid;
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struct FTriMeshGeometryRef : public FRefCountedObject
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{
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FGuid Guid;
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#if WITH_PHYSX
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/** List of PxMaterials used on this landscape */
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TArray<physx::PxMaterial*> UsedPhysicalMaterialArray;
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physx::PxTriangleMesh* RBTriangleMesh;
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#if WITH_EDITOR
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physx::PxTriangleMesh* RBTriangleMeshEd; // Used only by landscape editor, does not have holes in it
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#endif //WITH_EDITOR
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#endif //WITH_PHYSX
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#if WITH_CHAOS
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TArray<Chaos::FMaterialHandle> UsedChaosMaterials;
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TUniquePtr<Chaos::FTriangleMeshImplicitObject> Trimesh;
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#if WITH_EDITOR
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TUniquePtr<Chaos::FTriangleMeshImplicitObject> EditorTrimesh;
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#endif // WITH_EDITOR
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#endif // WITH_CHAOS
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FTriMeshGeometryRef();
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FTriMeshGeometryRef(FGuid& InGuid);
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virtual ~FTriMeshGeometryRef();
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};
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#if WITH_EDITORONLY_DATA
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/** The collision mesh values. */
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FWordBulkData CollisionXYOffsetData; // X, Y Offset in raw format...
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#endif //WITH_EDITORONLY_DATA
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/** Physics engine version of heightfield data. */
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TRefCountPtr<FTriMeshGeometryRef> MeshRef;
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//~ Begin UActorComponent Interface.
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protected:
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virtual void OnCreatePhysicsState() override;
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public:
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virtual void ApplyWorldOffset(const FVector& InOffset, bool bWorldShift) override;
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//~ End UActorComponent Interface.
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//~ Begin USceneComponent Interface.
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virtual void DestroyComponent(bool bPromoteChildren = false) override;
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//~ End USceneComponent Interface.
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//~ Begin UPrimitiveComponent Interface
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virtual bool DoCustomNavigableGeometryExport(FNavigableGeometryExport& GeomExport) const override;
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//End UPrimitiveComponent interface
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//~ Begin UObject Interface.
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virtual void Serialize(FArchive& Ar) override;
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virtual void BeginDestroy() override;
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#if WITH_EDITOR
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virtual void ExportCustomProperties(FOutputDevice& Out, uint32 Indent) override;
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virtual void ImportCustomProperties(const TCHAR* SourceText, FFeedbackContext* Warn) override;
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virtual bool CookCollisionData(const FName& Format, bool bUseOnlyDefMaterial, bool bCheckDDC, TArray<uint8>& OutCookedData, TArray<UPhysicalMaterial*>& InOutMaterials) const override;
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virtual uint32 ComputeCollisionHash() const override { return 0; }
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#endif
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//~ End UObject Interface.
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//~ Begin ULandscapeHeightfieldCollisionComponent Interface
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virtual void CreateCollisionObject() override;
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virtual bool RecreateCollision() override;
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//~ End ULandscapeHeightfieldCollisionComponent Interface
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};
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