78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
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// @lint-ignore-every LICENSELINT
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "UObject/ObjectMacros.h"
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#include "Components/MeshComponent.h"
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#include "OculusXRMR_PlaneMeshComponent.generated.h"
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class FPrimitiveSceneProxy;
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class UTextureRenderTarget2D;
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USTRUCT(BlueprintType)
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struct FOculusXRMR_PlaneMeshTriangle
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{
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GENERATED_USTRUCT_BODY()
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UPROPERTY()
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FVector Vertex0 = FVector(0.0f);
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UPROPERTY()
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FVector2D UV0 = FVector2D(0.0f);
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UPROPERTY()
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FVector Vertex1 = FVector(0.0f);
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UPROPERTY()
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FVector2D UV1 = FVector2D(0.0f);
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UPROPERTY()
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FVector Vertex2 = FVector(0.0f);
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UPROPERTY()
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FVector2D UV2 = FVector2D(0.0f);
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};
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/** Component that allows you to specify custom triangle mesh geometry */
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UCLASS(hidecategories = (Object, LOD, Physics, Collision), editinlinenew, ClassGroup = Rendering, NotPlaceable, NotBlueprintable)
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class UOculusXRMR_PlaneMeshComponent : public UMeshComponent
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{
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GENERATED_UCLASS_BODY()
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/** Set the geometry to use on this triangle mesh */
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UFUNCTION(BlueprintCallable, Category = "Components|CustomMesh")
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bool SetCustomMeshTriangles(const TArray<FOculusXRMR_PlaneMeshTriangle>& Triangles);
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/** Add to the geometry to use on this triangle mesh. This may cause an allocation. Use SetCustomMeshTriangles() instead when possible to reduce allocations. */
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UFUNCTION(BlueprintCallable, Category = "Components|CustomMesh")
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void AddCustomMeshTriangles(const TArray<FOculusXRMR_PlaneMeshTriangle>& Triangles);
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/** Removes all geometry from this triangle mesh. Does not deallocate memory, allowing new geometry to reuse the existing allocation. */
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UFUNCTION(BlueprintCallable, Category = "Components|CustomMesh")
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void ClearCustomMeshTriangles();
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void Place(const FVector& Center, const FVector& Up, const FVector& Normal, const FVector2D& Size);
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void SetPlaneRenderTarget(UTextureRenderTarget2D* RT) { PlaneRenderTarget = RT; }
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private:
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//~ Begin UPrimitiveComponent Interface.
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virtual FPrimitiveSceneProxy* CreateSceneProxy() override;
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//~ End UPrimitiveComponent Interface.
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//~ Begin UMeshComponent Interface.
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virtual int32 GetNumMaterials() const override;
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//~ End UMeshComponent Interface.
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//~ Begin USceneComponent Interface.
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virtual FBoxSphereBounds CalcBounds(const FTransform& LocalToWorld) const override;
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//~ Begin USceneComponent Interface.
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TArray<FOculusXRMR_PlaneMeshTriangle> CustomMeshTris;
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UTextureRenderTarget2D* PlaneRenderTarget;
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friend class FOculusXRMR_PlaneMeshSceneProxy;
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};
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