64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
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// Copyright 2020 Phyronnaz
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#pragma once
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#include "CoreMinimal.h"
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#include "Components/LineBatchComponent.h"
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#include "VoxelLineBatchComponent.generated.h"
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UCLASS()
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class VOXEL_API UVoxelLineBatchComponent : public UPrimitiveComponent
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{
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GENERATED_BODY()
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public:
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// Buffer of lines to draw. No support for depth priority
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TArray<struct FBatchedLine> BatchedLines;
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// Buffer or points to draw
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TArray<struct FBatchedPoint> BatchedPoints;
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// Buffer of simple meshes to draw
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TArray<struct FBatchedMesh> BatchedMeshes;
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// Default time that lines/points will draw for
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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float DefaultLifeTime = 1.0f;
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// Whether to calculate a tight accurate bounds (encompassing all points), or use a giant bounds that is fast to compute
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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bool bCalculateAccurateBounds = false;
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UVoxelLineBatchComponent();
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//~ Begin UPrimitiveComponent Interface.
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virtual FPrimitiveSceneProxy* CreateSceneProxy() override;
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virtual FBoxSphereBounds CalcBounds(const FTransform& LocalToWorld) const override;
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//~ End UPrimitiveComponent Interface.
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//~ Begin UActorComponent Interface.
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virtual void TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction) override;
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virtual void ApplyWorldOffset(const FVector& InOffset, bool bWorldShift) override;
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//~ End UActorComponent Interface.
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// Clear all batched lines, points and meshes
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void Flush();
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};
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class VOXEL_API FVoxelLineBatcherSceneProxy : public FPrimitiveSceneProxy
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{
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public:
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explicit FVoxelLineBatcherSceneProxy(const UVoxelLineBatchComponent* InComponent);
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//~ Begin FPrimitiveSceneProxy Interface
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virtual SIZE_T GetTypeHash() const override;
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virtual void GetDynamicMeshElements(const TArray<const FSceneView*>& Views, const FSceneViewFamily& ViewFamily, uint32 VisibilityMap, FMeshElementCollector& Collector) const override;
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virtual FPrimitiveViewRelevance GetViewRelevance(const FSceneView* View) const override;
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virtual uint32 GetMemoryFootprint() const override;
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//~ End FPrimitiveSceneProxy Interface
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uint32 GetAllocatedSize() const;
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private:
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TArray<FBatchedLine> Lines;
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TArray<FBatchedPoint> Points;
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TArray<FBatchedMesh> Meshes;
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};
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