55 lines
1.7 KiB
C
55 lines
1.7 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 "VoxelExposedNodes.h"
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#include "VoxelBiomeMapNode.generated.h"
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class UTexture2D;
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USTRUCT()
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struct VOXELGRAPH_API FBiomeMapElement
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{
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GENERATED_BODY()
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UPROPERTY(EditAnywhere, Category = "Voxel")
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FColor Color;
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UPROPERTY(EditAnywhere, Category = "Voxel")
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FString Name;
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};
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// Find the strength of biomes from a biome map. Note: Alpha is ignored when computing the color distance
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UCLASS(DisplayName = "Biome Map Sampler", Category = "Biomes")
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class VOXELGRAPH_API UVoxelNode_BiomeMapSampler : public UVoxelExposedNode
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{
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GENERATED_BODY()
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GENERATED_VOXELNODE_BODY()
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public:
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UPROPERTY(EditAnywhere, Category = "Biomes")
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TObjectPtr<UTexture2D> Texture;
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// Distance = Max(Abs(ColorA - ColorB)). Values with a distance below or equal to this will be set to 1, value strictly above to 0
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UPROPERTY(EditAnywhere, Category = "Biomes", meta = (ClampMin = 0, ClampMax = 255, UIMin = 0, UIMax = 255))
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int Threshold = 0;
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UPROPERTY(EditAnywhere, Category = "Biomes", meta = (ReconstructNode))
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TArray<FBiomeMapElement> Biomes;
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TArray<FColor> GetColors() const;
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UVoxelNode_BiomeMapSampler();
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virtual int32 GetOutputPinsCount() const override;
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virtual FName GetOutputPinName(int32 PinIndex) const override;
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virtual EVoxelPinCategory GetOutputPinCategory(int32 PinIndex) const override;
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virtual FText GetTitle() const override;
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virtual void LogErrors(FVoxelGraphErrorReporter& ErrorReporter) override;
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#if WITH_EDITOR
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
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#endif
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virtual FName GetParameterPropertyName() const override { return GET_OWN_MEMBER_NAME(Texture); }
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};
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