120 lines
3 KiB
C
120 lines
3 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 "VoxelIntBox.h"
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#include "VoxelSharedPtr.h"
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#include "VoxelSurfaceEdits.generated.h"
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USTRUCT(BlueprintType)
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struct FVoxelSurfaceEditsVoxelBase
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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FIntVector Position = FIntVector(ForceInit);
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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FVector Normal = FVector(ForceInit);
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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float Value = 0;
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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FVector SurfacePosition = FVector(ForceInit);
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};
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USTRUCT(BlueprintType)
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struct FVoxelSurfaceEditsVoxel : public FVoxelSurfaceEditsVoxelBase
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel")
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float Strength = 1;
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public:
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FVoxelSurfaceEditsVoxel() = default;
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FVoxelSurfaceEditsVoxel(const FVoxelSurfaceEditsVoxelBase& Other)
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: FVoxelSurfaceEditsVoxelBase(Other)
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{
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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struct FVoxelSurfaceEditsVoxelsInfo
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{
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bool bHasValues = false;
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bool bHasExactDistanceField = false;
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bool bHasNormals = false;
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bool bHasSurfacePositions = false;
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bool bIs2D = false;
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};
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USTRUCT(BlueprintType)
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struct FVoxelSurfaceEditsVoxels
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{
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GENERATED_BODY()
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FVoxelSurfaceEditsVoxelsInfo Info;
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TVoxelSharedRef<const TArray<FVoxelSurfaceEditsVoxelBase>> Voxels = MakeVoxelShared<TArray<FVoxelSurfaceEditsVoxelBase>>();
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};
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USTRUCT(BlueprintType)
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struct FVoxelSurfaceEditsProcessedVoxels
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{
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GENERATED_BODY()
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FVoxelIntBox Bounds;
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FVoxelSurfaceEditsVoxelsInfo Info;
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TVoxelSharedRef<const TArray<FVoxelSurfaceEditsVoxel>> Voxels = MakeVoxelShared<TArray<FVoxelSurfaceEditsVoxel>>();
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};
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///////////////////////////////////////////////////////////////////////////////
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namespace EVoxelSurfaceEditsStackElementFlags
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{
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enum Type : uint32
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{
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None = 0,
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NeedValues = 1 << 0,
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NeedNormals = 1 << 1,
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ShouldBeLast = 1 << 2,
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};
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}
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USTRUCT(BlueprintType)
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struct FVoxelSurfaceEditsStackElement
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{
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GENERATED_BODY()
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using FApply = TFunction<void(const FVoxelSurfaceEditsVoxelsInfo& /*Info*/, TArray<FVoxelSurfaceEditsVoxel>& /*Voxels*/)>;
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FString Name;
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uint32 Flags = EVoxelSurfaceEditsStackElementFlags::None;
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FApply Apply;
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FVoxelSurfaceEditsStackElement() = default;
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FVoxelSurfaceEditsStackElement(const FString& Name, uint32 Flags, const FApply& Apply)
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: Name(Name)
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, Flags(Flags)
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, Apply(Apply)
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{
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}
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};
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USTRUCT(BlueprintType)
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struct VOXEL_API FVoxelSurfaceEditsStack
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{
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GENERATED_BODY()
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TArray<FVoxelSurfaceEditsStackElement> Stack;
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void Add(const FVoxelSurfaceEditsStackElement& Element) { Stack.Add(Element); }
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bool HasErrors(const FVoxelSurfaceEditsVoxels& Voxels, FString& OutErrors) const;
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// Set bComputeBounds if you already have valid bounds & will use the Impl functions
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FVoxelSurfaceEditsProcessedVoxels Execute(const FVoxelSurfaceEditsVoxels& Voxels, bool bComputeBounds = true) const;
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};
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