_ak_bytes_mem_8h

Wwise SDK 2021.1.14

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 released in source code form as part of the SDK installer package.

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   Version: v2021.1.14  Build: 6590

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 // AkBytesMem.h

 /// \file 

 /// IReadBytes / IWriteBytes implementation on a growing memory buffer. This

 /// version uses the AK::MemoryMgr allocator.

 #pragma once

 #include <AK/IBytes.h>

 #include <AK/SoundEngine/Common/AkSoundEngineExport.h>

 #include <AK/Tools/Common/AkBankReadHelpers.h>

 namespace AK

 {

     class ReadBytesMem

         : public AK::IReadBytes

     {

     public:

         AKSOUNDENGINE_API ReadBytesMem();

         AKSOUNDENGINE_API ReadBytesMem(

             const void * in_pBytes, 

             AkInt32 in_cBytes

             );

         AKSOUNDENGINE_API virtual ~ReadBytesMem();

         // IReadBytes implementation

         AKSOUNDENGINE_API virtual bool ReadBytes(

             void * in_pData, 

             AkInt32 in_cBytes, 

             AkInt32 & out_cRead

             );

         // Public methods

         AKSOUNDENGINE_API void Attach(

             const void * in_pBytes, 

             AkInt32 in_cBytes

             );

     private:

         AkInt32   m_cBytes;

         const AkUInt8 * m_pBytes;

         AkInt32   m_cPos;

     };

     class WriteBytesMem

         : public AK::IWriteBuffer

     {

     public:

         AKSOUNDENGINE_API WriteBytesMem();

         AKSOUNDENGINE_API virtual ~WriteBytesMem();

         // IWriteBytes implementation

         AKSOUNDENGINE_API virtual bool WriteBytes(

             const void * in_pData, 

             AkInt32 in_cBytes, 

             AkInt32& out_cWritten);

         // IWriteBuffer implementation

         AKSOUNDENGINE_API virtual bool Reserve(

             AkInt32 in_cBytes

             );

         AKSOUNDENGINE_API virtual AkInt32 Count() const;

         AKSOUNDENGINE_API virtual void SetCount(

             AkInt32 in_cBytes

             );

         AKSOUNDENGINE_API AkInt32 Size() const;

         AKSOUNDENGINE_API virtual AkUInt8 * Bytes() const;

         AKSOUNDENGINE_API virtual AkUInt8 * Detach();

         AKSOUNDENGINE_API virtual void Clear();

         // Public methods

         AKSOUNDENGINE_API void SetMemPool( AkMemPoolId in_pool );

         // Reserves space for writing in_cBytes and returns the location, advancing the write pointer.

         AkUInt8* GetWritePtr(AkInt32 in_cBytes)

         {

             AkInt32 cPos = m_cPos;

             AkInt32 cNewPos = cPos + in_cBytes;

             if ((m_cBytes >= cNewPos) || Grow(cNewPos))

             {

                 m_cPos = cNewPos;

                 return m_pBytes + cPos;

             }

             else

                 return nullptr;

         }

         template<class T>

         bool Write(const T & in_data)

         {

             if (AkUInt8* pWrite = GetWritePtr(sizeof(T)))

             {

                 AK::WriteUnaligned<T>(pWrite, in_data);

                 return true;

             }

             else

                 return false;

         }

     private:

         bool Grow(

             AkInt32 in_cBytes

         );

         AkInt32     m_cBytes;

         AkUInt8 *   m_pBytes;

         AkInt32 m_cPos;

         AkMemPoolId m_pool;

     };

     class WriteBytesBuffer

         : public AK::IWriteBytes

     {

     public:

         AKSOUNDENGINE_API WriteBytesBuffer();

         AKSOUNDENGINE_API virtual ~WriteBytesBuffer();

         AKSOUNDENGINE_API void SetBuffer(AkUInt8* in_pBytes, AkInt32 in_cSize);

         // IWriteBytes implementation

         AKSOUNDENGINE_API virtual bool WriteBytes(

             const void* in_pData,

             AkInt32 in_cBytes,

             AkInt32& out_cWritten);

         AKSOUNDENGINE_API AkInt32 GetPos() const;

         AKSOUNDENGINE_API void Clear();

     private:

         AkUInt8* m_pBytes;

         AkInt32 m_cSize;

         AkInt32 m_cPos;

     };

 }