ralpha-assets/Plugins/CesiumForUnreal/Source/CesiumRuntime/Public/CesiumPropertyArray.h

151 lines
5.2 KiB
C++

// Copyright 2020-2024 CesiumGS, Inc. and Contributors
#pragma once
#include "CesiumMetadataEnum.h"
#include "CesiumMetadataValueType.h"
#include "UObject/ObjectMacros.h"
#include <CesiumGltf/PropertyArrayView.h>
#include <CesiumGltf/PropertyTypeTraits.h>
#include <swl/variant.hpp>
#include "CesiumPropertyArray.generated.h"
/**
* A Blueprint-accessible wrapper for an array property in glTF metadata.
*/
USTRUCT(BlueprintType)
struct CESIUMRUNTIME_API FCesiumPropertyArray {
GENERATED_USTRUCT_BODY()
private:
#pragma region ArrayType
template <typename T> using ArrayView = CesiumGltf::PropertyArrayView<T>;
using ArrayType = swl::variant<
ArrayView<int8_t>,
ArrayView<uint8_t>,
ArrayView<int16_t>,
ArrayView<uint16_t>,
ArrayView<int32_t>,
ArrayView<uint32_t>,
ArrayView<int64_t>,
ArrayView<uint64_t>,
ArrayView<float>,
ArrayView<double>,
ArrayView<bool>,
ArrayView<std::string_view>,
ArrayView<glm::vec<2, int8_t>>,
ArrayView<glm::vec<2, uint8_t>>,
ArrayView<glm::vec<2, int16_t>>,
ArrayView<glm::vec<2, uint16_t>>,
ArrayView<glm::vec<2, int32_t>>,
ArrayView<glm::vec<2, uint32_t>>,
ArrayView<glm::vec<2, int64_t>>,
ArrayView<glm::vec<2, uint64_t>>,
ArrayView<glm::vec<2, float>>,
ArrayView<glm::vec<2, double>>,
ArrayView<glm::vec<3, int8_t>>,
ArrayView<glm::vec<3, uint8_t>>,
ArrayView<glm::vec<3, int16_t>>,
ArrayView<glm::vec<3, uint16_t>>,
ArrayView<glm::vec<3, int32_t>>,
ArrayView<glm::vec<3, uint32_t>>,
ArrayView<glm::vec<3, int64_t>>,
ArrayView<glm::vec<3, uint64_t>>,
ArrayView<glm::vec<3, float>>,
ArrayView<glm::vec<3, double>>,
ArrayView<glm::vec<4, int8_t>>,
ArrayView<glm::vec<4, uint8_t>>,
ArrayView<glm::vec<4, int16_t>>,
ArrayView<glm::vec<4, uint16_t>>,
ArrayView<glm::vec<4, int32_t>>,
ArrayView<glm::vec<4, uint32_t>>,
ArrayView<glm::vec<4, int64_t>>,
ArrayView<glm::vec<4, uint64_t>>,
ArrayView<glm::vec<4, float>>,
ArrayView<glm::vec<4, double>>,
ArrayView<glm::mat<2, 2, int8_t>>,
ArrayView<glm::mat<2, 2, uint8_t>>,
ArrayView<glm::mat<2, 2, int16_t>>,
ArrayView<glm::mat<2, 2, uint16_t>>,
ArrayView<glm::mat<2, 2, int32_t>>,
ArrayView<glm::mat<2, 2, uint32_t>>,
ArrayView<glm::mat<2, 2, int64_t>>,
ArrayView<glm::mat<2, 2, uint64_t>>,
ArrayView<glm::mat<2, 2, float>>,
ArrayView<glm::mat<2, 2, double>>,
ArrayView<glm::mat<3, 3, int8_t>>,
ArrayView<glm::mat<3, 3, uint8_t>>,
ArrayView<glm::mat<3, 3, int16_t>>,
ArrayView<glm::mat<3, 3, uint16_t>>,
ArrayView<glm::mat<3, 3, int32_t>>,
ArrayView<glm::mat<3, 3, uint32_t>>,
ArrayView<glm::mat<3, 3, int64_t>>,
ArrayView<glm::mat<3, 3, uint64_t>>,
ArrayView<glm::mat<3, 3, float>>,
ArrayView<glm::mat<3, 3, double>>,
ArrayView<glm::mat<4, 4, int8_t>>,
ArrayView<glm::mat<4, 4, uint8_t>>,
ArrayView<glm::mat<4, 4, int16_t>>,
ArrayView<glm::mat<4, 4, uint16_t>>,
ArrayView<glm::mat<4, 4, int32_t>>,
ArrayView<glm::mat<4, 4, uint32_t>>,
ArrayView<glm::mat<4, 4, int64_t>>,
ArrayView<glm::mat<4, 4, uint64_t>>,
ArrayView<glm::mat<4, 4, float>>,
ArrayView<glm::mat<4, 4, double>>>;
#pragma endregion
public:
/**
* Constructs an empty array instance with an unknown element type.
*/
FCesiumPropertyArray();
/**
* Constructs an array instance.
* @param value The property array view that will be stored in this struct
* @param pEnumDefinition The enum definition this property uses, if any.
*/
template <typename T>
FCesiumPropertyArray(
CesiumGltf::PropertyArrayCopy<T>&& value,
TSharedPtr<FCesiumMetadataEnum> pEnumDefinition = nullptr)
: _value(),
_elementType(TypeToMetadataValueType<T>(pEnumDefinition)),
_storage(),
_pEnumDefinition(pEnumDefinition) {
this->_value = std::move(value).toViewAndExternalBuffer(this->_storage);
}
template <typename T>
FCesiumPropertyArray(
const CesiumGltf::PropertyArrayCopy<T>& value,
TSharedPtr<FCesiumMetadataEnum> pEnumDefinition = nullptr)
: FCesiumPropertyArray(
CesiumGltf::PropertyArrayCopy<T>(value),
pEnumDefinition) {}
template <typename T>
FCesiumPropertyArray(
const CesiumGltf::PropertyArrayView<T>& value,
TSharedPtr<FCesiumMetadataEnum> pEnumDefinition = nullptr)
: _value(value),
_elementType(TypeToMetadataValueType<T>(pEnumDefinition)),
_pEnumDefinition(pEnumDefinition) {}
FCesiumPropertyArray(FCesiumPropertyArray&& rhs);
FCesiumPropertyArray& operator=(FCesiumPropertyArray&& rhs);
FCesiumPropertyArray(const FCesiumPropertyArray& rhs);
FCesiumPropertyArray& operator=(const FCesiumPropertyArray& rhs);
private:
ArrayType _value;
FCesiumMetadataValueType _elementType;
std::vector<std::byte> _storage;
TSharedPtr<FCesiumMetadataEnum> _pEnumDefinition;
friend class UCesiumPropertyArrayBlueprintLibrary;
};