77 lines
2.5 KiB
C
77 lines
2.5 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 "VoxelGenerators/VoxelGeneratorHelpers.h"
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#include "VoxelGenerators/VoxelGeneratorInstance.inl"
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#include "VoxelGenerators/VoxelTransformableGeneratorHelper.h"
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#include "VoxelEmptyGenerator.generated.h"
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class UVoxelEmptyGenerator;
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class FVoxelEmptyGeneratorInstance : public TVoxelGeneratorInstanceHelper<FVoxelEmptyGeneratorInstance, UVoxelEmptyGenerator>
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{
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public:
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using Super = TVoxelGeneratorInstanceHelper<FVoxelEmptyGeneratorInstance, UVoxelEmptyGenerator>;
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// WorldUpGenerator is used by VoxelPhysics for new parts
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explicit FVoxelEmptyGeneratorInstance(v_flt Value = 1, TVoxelSharedPtr<const FVoxelGeneratorInstance> WorldUpGenerator = nullptr)
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: Super(nullptr)
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, Value(Value)
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, WorldUpGenerator(WorldUpGenerator)
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{
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}
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//~ Begin FVoxelGeneratorInstance Interface
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v_flt GetValueImpl(v_flt X, v_flt Y, v_flt Z, int32 LOD, const FVoxelItemStack& Items) const
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{
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return Value;
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}
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FVoxelMaterial GetMaterialImpl(v_flt X, v_flt Y, v_flt Z, int32 LOD, const FVoxelItemStack& Items) const
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{
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return FVoxelMaterial::Default();
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}
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TVoxelRange<v_flt> GetValueRangeImpl(const FVoxelIntBox& Bounds, int32 LOD, const FVoxelItemStack& Items) const
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{
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return Value;
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}
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FVector GetUpVector(v_flt X, v_flt Y, v_flt Z) const override final
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{
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return WorldUpGenerator.IsValid() ? WorldUpGenerator->GetUpVector(X, Y, Z) : FVector::UpVector;
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}
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//~ End FVoxelGeneratorInstance Interface
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private:
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const v_flt Value;
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const TVoxelSharedPtr<const FVoxelGeneratorInstance> WorldUpGenerator = nullptr;
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};
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class FVoxelTransformableEmptyGeneratorInstance : public TVoxelTransformableGeneratorHelper<FVoxelEmptyGeneratorInstance>
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{
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public:
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explicit FVoxelTransformableEmptyGeneratorInstance(v_flt Value = 1)
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: TVoxelTransformableGeneratorHelper(MakeVoxelShared<FVoxelEmptyGeneratorInstance>(Value), false)
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{
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}
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};
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VOXEL_DEPRECATED(1.2, "Use FVoxelTransformableEmptyGeneratorInstance instead of FVoxelTransformableEmptyWorldGeneratorInstance")
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typedef FVoxelTransformableEmptyGeneratorInstance FVoxelTransformableEmptyWorldGeneratorInstance;
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/**
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* Empty world, can be used to remove voxels
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*/
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UCLASS(Blueprintable)
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class VOXEL_API UVoxelEmptyGenerator : public UVoxelTransformableGenerator
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{
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GENERATED_BODY()
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public:
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//~ Begin UVoxelGenerator Interface
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TVoxelSharedRef<FVoxelTransformableGeneratorInstance> GetTransformableInstance() override
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{
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return MakeVoxelShared<FVoxelTransformableEmptyGeneratorInstance>();
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}
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//~ End UVoxelGenerator Interface
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};
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