NiAlphaProperty.h

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#pragma once
 
#include "RE/N/NiProperty.h"
 
namespace RE
{
    class NiAlphaProperty : public NiProperty
    {
    public:
        inline static constexpr auto RTTI = RTTI_NiAlphaProperty;
        inline static constexpr auto Ni_RTTI = NiRTTI_NiAlphaProperty;
        inline static constexpr auto VTABLE = VTABLE_NiAlphaProperty;
 
        enum class AlphaFunction
        {
            kOne,
            kZero,
            kSrcColor,
            kInvSrcColor,
            kDestColor,
            kInvDestColor,
            kSrcAlpha,
            kInvSrcAlpha,
            kDestAlpha,
            kInvDestAlpha,
            kSrcAlphaSat
        };
 
        enum class TestFunction
        {
            kAlways,
            kLess,
            kEqual,
            kLessEqual,
            kGreater,
            kNotEqual,
            kGreaterEqual,
            kNever
        };
 
        ~NiAlphaProperty() override;  // 00
 
        // override (NiProperty)
        const NiRTTI*      GetRTTI() const override;                           // 02
        NiObject*          CreateClone(NiCloningProcess& a_cloning) override;  // 17
        void               LoadBinary(NiStream& a_stream) override;            // 18
        void               LinkObject(NiStream& a_stream) override;            // 19 - { NiProperty::LinkObject(a_stream); }
        bool               RegisterStreamables(NiStream& a_stream) override;   // 1A - { return NiProperty::RegisterStreamables(a_stream); }
        void               SaveBinary(NiStream& a_stream) override;            // 1B
        bool               IsEqual(NiObject* a_object) override;               // 1C
        [[nodiscard]] Type GetType() const override;                           // 25 - { return Type::kAlpha; }
 
        [[nodiscard]] bool          GetAlphaBlending() const;
        [[nodiscard]] bool          GetAlphaTesting() const;
        [[nodiscard]] AlphaFunction GetDestBlendMode() const;
        [[nodiscard]] AlphaFunction GetSrcBlendMode() const;
        void                        SetAlphaBlending(bool a_enable);
        void                        SetAlphaTesting(bool a_enable);
        void                        SetDestBlendMode(AlphaFunction a_mode);
        void                        SetSrcBlendMode(AlphaFunction a_mode);
 
        // members
        std::uint16_t alphaFlags;      // 30
        std::uint8_t  alphaThreshold;  // 32
        std::uint8_t  pad33;           // 33
        std::uint32_t pad34;           // 34
    private:
        KEEP_FOR_RE()
    };
    static_assert(sizeof(NiAlphaProperty) == 0x38);
}