Stream.h

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#pragma once
 
#include "RE/B/BSFixedString.h"
#include "RE/B/BSTSmartPointer.h"
#include "RE/S/StreamBase.h"
 
namespace RE
{
    namespace BSResource
    {
        class AsyncStream;
 
        enum class SeekMode
        {
            kSet = 0,
            kCur = 1,
            kEnd = 2
        };
 
        class Stream : public StreamBase
        {
        public:
            inline static constexpr auto RTTI = RTTI_BSResource__Stream;
            inline static constexpr auto VTABLE = VTABLE_BSResource__Stream;
 
            Stream();
            Stream(const Stream& a_rhs);
            Stream(Stream&& a_rhs);
            Stream(std::uint32_t a_totalSize);
            ~Stream() override = default;  // 00
 
            // add
            virtual void      DoClone(BSTSmartPointer<Stream>& a_out) const = 0;                                           // 05
            virtual ErrorCode DoRead(void* a_buffer, std::uint64_t a_toRead, std::uint64_t& a_read) const = 0;             // 06
            virtual ErrorCode DoWrite(const void* a_buffer, std::uint64_t a_toWrite, std::uint64_t& a_written) const = 0;  // 07
            virtual ErrorCode DoSeek(std::uint64_t a_toSeek, SeekMode a_mode, std::uint64_t& a_sought) const = 0;          // 08
            virtual ErrorCode DoSetEndOfStream();                                                                          // 09 - { return ErrorCode::kUnsupported; }
            virtual bool      DoGetName(BSFixedString& a_dst) const;                                                       // 0A - { a_dst = ""; return false; }
            virtual ErrorCode DoCreateAsync(BSTSmartPointer<AsyncStream>& a_streamOut) const;                              // 0B - { return ErrorCode::kUnsupported; }
        };
        static_assert(sizeof(Stream) == 0x10);
    }
}