NiGeometryData.h

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#pragma once
 
#include "RE/N/NiBound.h"
#include "RE/N/NiObject.h"
 
namespace RE
{
    class NiAdditionalGeometryData;
    class NiColorA;
    class NiPoint2;
    class NiPoint3;
    class NiTriShapeData;
    class NiTriStripsData;
 
    class NiGeometryData : public NiObject
    {
    public:
        inline static constexpr auto RTTI = RTTI_NiGeometryData;
        inline static constexpr auto Ni_RTTI = NiRTTI_NiGeometryData;
        inline static constexpr auto VTABLE = VTABLE_NiGeometryData;
 
        enum class DataFlag
        {
            kNone = 0x0000,
            kNDL = 1 << 12,
            kMax = 1 << 13,
            kATI = kNDL | kMax,
        };
 
        enum class DirtyFlag
        {
            kVertex = 1 << 0,
            kNormal = 1 << 1,
            kColor = 1 << 2,
            kTexture = 1 << 3,
 
            kMutable = 0,
            kStatic = 1 << 14,
            kVolatile = 1 << 15
        };
 
        enum class KeepFlag
        {
            kXYZ = 1 << 0,
            kNorm = 1 << 1,
            kColor = 1 << 2,
            kUV = 1 << 3,
            kIndices = 1 << 4,
            kBonedata = 1 << 5,
 
            kAll = kXYZ | kNorm | kColor | kUV | kIndices | kBonedata
        };
 
        enum class CompressFlag
        {
            kNorm = 1 << 0,
            kColor = 1 << 1,
            kUV = 1 << 2,
            kWeight = 1 << 3,
            kPosition = 1 << 4,
 
            kAll = kNorm | kColor | kUV | kWeight | kPosition
        };
 
        ~NiGeometryData() override;  // 00
 
        // override (NiObject)
        const NiRTTI* GetRTTI() const override;                          // 02
        void          LoadBinary(NiStream& a_stream) override;           // 18
        void          LinkObject(NiStream& a_stream) override;           // 19
        bool          RegisterStreamables(NiStream& a_stream) override;  // 1A
        void          SaveBinary(NiStream& a_stream) override;           // 1B
        bool          IsEqual(NiObject* a_object) override;              // 1C
 
        // add
        virtual void                        SetActiveVertexCount(std::uint16_t a_count);  // 25 - { return; }
        [[nodiscard]] virtual std::uint16_t GetActiveVertexCount() const;                 // 26 - { return vertices; }
        virtual NiTriStripsData*            AsTriStripsData();                            // 27 - { return 0; }
        virtual NiTriShapeData*             AsTriShapeData();                             // 28 - { return 0; }
        virtual void                        Unk_29(void) = 0;                             // 29
 
        // members
        std::uint16_t                            vertices;            // 10
        std::uint16_t                            id;                  // 12
        REX::EnumSet<DirtyFlag, std::uint16_t>   dirtyFlags;          // 14
        REX::EnumSet<DataFlag, std::uint16_t>    dataFlags;           // 16
        NiBound                                  bound;               // 18
        NiPoint3*                                vertex;              // 28
        NiPoint3*                                normal;              // 30
        NiColorA*                                color;               // 38
        NiPoint2*                                texture;             // 40
        std::uint32_t                            unk48;               // 48
        std::uint32_t                            unk4C;               // 4C
        std::uint32_t                            unk50;               // 50
        std::uint32_t                            unk54;               // 54
        NiPointer<NiAdditionalGeometryData>      additionalGeomData;  // 58
        REX::EnumSet<KeepFlag, std::uint8_t>     keepFlags;           // 60
        REX::EnumSet<CompressFlag, std::uint8_t> compressFlags;       // 61
        std::uint8_t                             unk62;               // 62
        std::uint8_t                             unk63;               // 63
        std::uint8_t                             unk64;               // 64
        std::uint8_t                             unk65;               // 65
        bool                                     hasGeoData;          // 66
        std::uint8_t                             unk67;               // 67
    };
    static_assert(sizeof(NiGeometryData) == 0x68);
}