31 lines
1.6 KiB
C++
31 lines
1.6 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 "Components/HierarchicalInstancedStaticMeshComponent.h"
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#include "GrassInstancedStaticMeshComponent.generated.h"
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UCLASS(ClassGroup = Foliage, MinimalAPI, Hidden)
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class UGrassInstancedStaticMeshComponent : public UHierarchicalInstancedStaticMeshComponent
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{
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GENERATED_UCLASS_BODY()
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public:
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static FOLIAGE_API void BuildTreeAnyThread(TArray<FMatrix>& InstanceTransforms, TArray<float>& InstanceCustomDataFloats, int32 NumCustomDataFloats, const FBox& MeshBox, TArray<FClusterNode>& OutClusterTree, TArray<int32>& OutSortedInstances, TArray<int32>& OutInstanceReorderTable, int32& OutOcclusionLayerNum, int32 MaxInstancesPerLeaf, bool InGenerateInstanceScalingRange);
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FOLIAGE_API void AcceptPrebuiltTree(TArray<FClusterNode>& InClusterTree, int32 InOcclusionLayerNumNodes, int32 InNumBuiltRenderInstances, FStaticMeshInstanceData* InSharedInstanceBufferData);
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FOLIAGE_API bool SupportsWorldPositionOffsetVelocity() const override;
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int32 GetNumRenderInstances() const override { return NumBuiltRenderInstances; }
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private:
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virtual void BuildTree() override final;
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virtual void BuildTreeAsync() override final;
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UE_DEPRECATED(5.7, "Please use BuildComponentInstanceData with EShaderPlatform argument and not ERHIFeatureLevel::Type")
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virtual void BuildComponentInstanceData(ERHIFeatureLevel::Type FeatureLevel, FInstanceUpdateComponentDesc& OutData) override final;
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virtual void BuildComponentInstanceData(EShaderPlatform InShaderPlatform, FInstanceUpdateComponentDesc& OutData) override final;
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};
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