_ak_array_8h

Wwise SDK 2024.1.0

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 released in source code form as part of the SDK installer package.
  
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 "Apache License"); you may not use this file except in compliance with the 
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   Copyright (c) 2024 Audiokinetic Inc.
 *******************************************************************************/
  
 #ifndef _AKARRAY_H
 #define _AKARRAY_H
  
 #include <AK/Tools/Common/AkObject.h>
 #include <AK/Tools/Common/AkPlacementNew.h>
 #include <AK/Tools/Common/AkAssert.h>
 #include <AK/Tools/Common/AkPlatformFuncs.h>
  
 #include <utility>
  
 template <AkMemID T_MEMID>
 struct AkArrayAllocatorNoAlign
 {
     static AkForceInline void * Alloc( size_t in_uSize )
     {
         return AkAlloc(T_MEMID, in_uSize);
     }
  
     static AkForceInline void * ReAlloc( void * in_pCurrent, size_t in_uOldSize, size_t in_uNewSize )
     {
         return AkRealloc(T_MEMID, in_pCurrent, in_uNewSize);
     }
  
     static AkForceInline void Free( void * in_pAddress )
     {
         AkFree(T_MEMID, in_pAddress);
     }
  
     static AkForceInline void TransferMem(void *& io_pDest, AkArrayAllocatorNoAlign<T_MEMID> in_srcAlloc, void * in_pSrc )
     {
         io_pDest = in_pSrc;
     }
 };
  
 template <AkMemID T_MEMID>
 struct AkArrayAllocatorAlignedSimd
 {
     AkForceInline void * Alloc( size_t in_uSize )
     {
         return AkMalign(T_MEMID, in_uSize, AK_SIMD_ALIGNMENT);
     }
  
     AkForceInline void * ReAlloc(void * in_pCurrent, size_t in_uOldSize, size_t in_uNewSize)
     {
         return AkReallocAligned(T_MEMID, in_pCurrent, in_uNewSize, AK_SIMD_ALIGNMENT);
     }
  
     AkForceInline void Free( void * in_pAddress )
     {
         AkFree(T_MEMID, in_pAddress);
     }
  
     AkForceInline void TransferMem(void *& io_pDest, AkArrayAllocatorAlignedSimd<T_MEMID> in_srcAlloc, void * in_pSrc )
     {
         io_pDest = in_pSrc;
     }
 };
  
 // AkHybridAllocator
 //  Attempts to allocate from a small buffer of size uBufferSizeBytes, which is contained within the array type.  Useful if the array is expected to contain a small number of elements.
 //  If the array grows to a larger size than uBufferSizeBytes, the the memory is allocated with the specified AkMemID.
 //  NOTE: The use of this allocator is not allowed when AkArray::TMovePolicy::IsTrivial() == false,
 //        since TMovePolicy::Move will not be invoked in TransferMem.
 template< AkUInt32 uBufferSizeBytes, AkUInt8 uAlignmentSize = 1, AkMemID T_MEMID = AkMemID_Object>
 struct AkHybridAllocator
 {
     static const AkUInt32 _uBufferSizeBytes = uBufferSizeBytes;
  
     AkForceInline void * Alloc(size_t in_uSize)
     {
         if (in_uSize <= uBufferSizeBytes)
             return (void *)&m_buffer;
         return AkMalign(T_MEMID, in_uSize, uAlignmentSize);
     }
  
     AkForceInline void * ReAlloc(void * in_pCurrent, size_t in_uOldSize, size_t in_uNewSize)
     {
         if (in_uNewSize <= uBufferSizeBytes)
             return (void *)&m_buffer;
  
         if (&m_buffer != in_pCurrent)
             return AkReallocAligned(T_MEMID, in_pCurrent, in_uNewSize, uAlignmentSize);
  
         void* pAddress = AkMalign(T_MEMID, in_uNewSize, uAlignmentSize);
         if (!pAddress)
             return NULL;
  
         AKPLATFORM::AkMemCpy(pAddress, m_buffer, (AkUInt32)in_uOldSize);
         return pAddress;
     }
  
     AkForceInline void Free(void * in_pAddress)
     {
         if (&m_buffer != in_pAddress)
             AkFree(T_MEMID, in_pAddress);
     }
  
     AkForceInline void TransferMem(void *& io_pDest, AkHybridAllocator<uBufferSizeBytes, uAlignmentSize, T_MEMID>& in_srcAlloc, void * in_pSrc)
     {
         if (&in_srcAlloc.m_buffer == in_pSrc)
         {
             AKPLATFORM::AkMemCpy(m_buffer, in_srcAlloc.m_buffer, uBufferSizeBytes);
             io_pDest = m_buffer;
         }
         else
         {
             io_pDest = in_pSrc;
         }
     }
     
     AK_ALIGN(char m_buffer[uBufferSizeBytes], uAlignmentSize);
 };
  
 // Helper for AkHybridAllocator for uCount items of type T.
 //  NOTE: The use of this allocator is not allowed when AkArray::TMovePolicy::IsTrivial() == false,
 //  since TMovePolicy::Move will not be invoked in TransferMem.
 template <class T, AkUInt32 uCount = 1, AkMemID MemID = AkMemID_Object>
 using AkSmallArrayAllocator = AkHybridAllocator<sizeof(T)* uCount, alignof(T), MemID>;
  
 template <class T>
 struct AkAssignmentMovePolicy
 {
     // By default the assignment operator is invoked to move elements of an array from slot to slot.  If desired,
     //  a custom 'Move' operation can be passed into TMovePolicy to transfer ownership of resources from in_Src to in_Dest.
     static AkForceInline void Move( T& in_Dest, T& in_Src )
     {
         in_Dest = in_Src;
     }
  
     // todo: use std::is_trivially_copyable<T>::value everywhere instead
     // To do so, we must revise usage of the different policies first.
     // Until then, it is not recommended to use this policy if T is not trivially copyable.
     static AkForceInline bool IsTrivial()
     {
         return true;
     }
 };
  
 // AkStdMovePolicy, for non-trivially copyable types.
 struct AkStdMovePolicy
 {
     template <class T>
     static AkForceInline void Move(T&& io_Dest, T&& io_Src)
     {
         io_Dest = std::move(io_Src);
     }
  
     static AkForceInline bool IsTrivial()
     {
         return false;
     }
 };
  
 // AkStdMovePolicy, for trivially copyable types.
 struct AkTrivialStdMovePolicy
 {
     template <class T>
     static AkForceInline void Move(T&& io_Dest, T&& io_Src)
     {
         io_Dest = std::move(io_Src);
     }
  
     static AkForceInline bool IsTrivial()
     {
         return true;
     }
 };
  
 // Can be used as TMovePolicy to create arrays of arrays.
 template <class T>
 struct AkTransferMovePolicy
 {
     static AkForceInline void Move( T& in_Dest, T& in_Src )
     {
         in_Dest.Transfer(in_Src); //transfer ownership of resources.
     }
  
     static AkForceInline bool IsTrivial()
     {
         return false;
     }
 };
  
 // Common allocators:
 typedef AkArrayAllocatorNoAlign<AkMemID_Object> ArrayPoolDefault;
 typedef AkArrayAllocatorNoAlign<AkMemID_Processing> ArrayPoolLEngineDefault;
 typedef AkArrayAllocatorNoAlign<AkMemID_Profiler> ArrayPoolProfiler;
 typedef AkArrayAllocatorAlignedSimd<AkMemID_Processing> ArrayPoolLEngineDefaultAlignedSimd;
  
 struct AkGrowByPolicy_Legacy
 {
     static AkUInt32 GrowBy( AkUInt32 /*in_CurrentArraySize*/ ) { return 1; }
 };
  
 struct AkGrowByPolicy_NoGrow
 {
     static AkUInt32 GrowBy( AkUInt32 /*in_CurrentArraySize*/ ) { return 0; }
 };
  
 // The hybrid GrowBy policy will try to grow to exactly uCount before growing farther to prevent unneccesary allocations.
 // The goal is to avoid expanding past uBufferSizeBytes until you have to, then behave like AkGrowByPolicy_Proportional
 // uCount should be uBufferSizeBytes / sizeof(T)
 template <AkUInt32 uCount>
 struct AkGrowByPolicy_Hybrid
 {
     static AkUInt32 GrowBy(AkUInt32 in_CurrentArraySize)
     {
         if (in_CurrentArraySize < uCount)
             return uCount - in_CurrentArraySize;
         else
         {
             return in_CurrentArraySize + (in_CurrentArraySize >> 1);
         }
     }
 };
  
 struct AkGrowByPolicy_Proportional
 {
     static AkUInt32 GrowBy( AkUInt32 in_CurrentArraySize )
     {
         if ( in_CurrentArraySize == 0 )
             return 1;
         else
             return in_CurrentArraySize + ( in_CurrentArraySize >> 1 );
     }
 };
  
 //#define AkGrowByPolicy_DEFAULT AkGrowByPolicy_Legacy
 #define AkGrowByPolicy_DEFAULT AkGrowByPolicy_Proportional
  
 /// Specific implementation of array
 template <class T, class ARG_T, class TAlloc = ArrayPoolDefault, class TGrowBy = AkGrowByPolicy_DEFAULT, class TMovePolicy = AkAssignmentMovePolicy<T> > class AkArray : public TAlloc
 {
 public:
     /// Constructor
     AkArray()
         : m_pItems( 0 )
         , m_uLength( 0 )
         , m_ulReserved( 0 )
     {
     }
  
     /// Destructor
     ~AkArray()
     {
         AKASSERT( m_pItems == 0 );
         AKASSERT( m_uLength == 0 );
         AKASSERT( m_ulReserved == 0 );
     }
  
 // Workaround for SWIG to parse nested structure: 
 // Bypass this inner struct and use a proxy in a separate header.
 #ifndef SWIG
     /// Iterator
     struct Iterator
     {
         T* pItem;   ///< Pointer to the item in the array.
  
         /// + operator
         Iterator operator+(AkUInt32 inc) const
         {
             AKASSERT( pItem );
             Iterator returnedIt;
             returnedIt.pItem = pItem + inc;
             return returnedIt;
         }
  
         /// - operator
         AkUInt32 operator-(Iterator const& rhs) const
         {
             AKASSERT((pItem && rhs.pItem)||(!pItem && !rhs.pItem));
             return (AkUInt32)(pItem - rhs.pItem);
         }
  
         /// ++ operator
         Iterator& operator++()
         {
             AKASSERT( pItem );
             ++pItem;
             return *this;
         }
  
         /// -- operator
         Iterator& operator--()
         {
             AKASSERT( pItem );
             --pItem;
             return *this;
         }
  
         /// * operator
         T& operator*()
         {
             AKASSERT( pItem );
             return *pItem;
         }
  
         T* operator->() const
         {
             AKASSERT( pItem );
             return pItem;
         }
  
         /// == operator
         bool operator ==( const Iterator& in_rOp ) const
         {
             return ( pItem == in_rOp.pItem );
         }
  
         /// != operator
         bool operator !=( const Iterator& in_rOp ) const
         {
             return ( pItem != in_rOp.pItem );
         }
     };
 #endif // #ifndef SWIG
  
     /// Returns the iterator to the first item of the array, will be End() if the array is empty.
     Iterator Begin() const
     {
         Iterator returnedIt;
         returnedIt.pItem = m_pItems;
         return returnedIt;
     }
  
     /// Returns the iterator to the end of the array
     Iterator End() const
     {
         Iterator returnedIt;
         returnedIt.pItem = m_pItems + m_uLength;
         return returnedIt;
     }
  
     /// Returns the iterator th the specified item, will be End() if the item is not found
     Iterator FindEx( ARG_T in_Item ) const
     {
         Iterator it = Begin();
  
         for ( Iterator itEnd = End(); it != itEnd; ++it )
         {
             if ( *it == in_Item )
                 break;
         }
  
         return it;
     }
  
     /// Returns the iterator of the specified item, will be End() if the item is not found
     /// The array must be in ascending sorted order.
     Iterator BinarySearch( ARG_T in_Item ) const
     {
         AkUInt32 uNumToSearch = Length();
         T* pBase = m_pItems;
         T* pPivot;
  
         while ( uNumToSearch > 0 )
         {
             pPivot = pBase + ( uNumToSearch >> 1 );
             if ( in_Item == *pPivot )
             {
                 Iterator result;
                 result.pItem = pPivot;
                 return result;
             }
  
             if ( in_Item > *pPivot )
             {
                 pBase = pPivot + 1;
                 uNumToSearch--;
             }
             uNumToSearch >>= 1;
         }
  
         return End();
     }
  
     /// Erase the specified iterator from the array
     Iterator Erase( Iterator& in_rIter )
     {
         AKASSERT( m_pItems != 0 );
  
         if (TMovePolicy::IsTrivial())
         {
             T* pItem = in_rIter.pItem;
             T* pLastItem = m_pItems + (m_uLength - 1);
  
             // Destroy item
             pItem->~T();
  
             // Move all others by one <-
             if (pItem < pLastItem)
             {
                 AKPLATFORM::AkMemMove(
                     pItem,
                     pItem + 1,
                     (AkUInt32)(pLastItem - pItem) * sizeof(T)
                 );
             }
         }
         else
         {
             // Move items by 1 <-
             T* pItemLast = m_pItems + m_uLength - 1;
  
             for (T* pItem = in_rIter.pItem; pItem < pItemLast; pItem++)
                 TMovePolicy::Move(pItem[0], pItem[1]);
  
             // Destroy the last item
             pItemLast->~T();
         }
  
         m_uLength--;
  
         return in_rIter;
     }
  
     /// Erase the item at the specified index
     void Erase( unsigned int in_uIndex )
     {
         AKASSERT( m_pItems != 0 );
  
         if (TMovePolicy::IsTrivial())
         {
             T* pItem = m_pItems + in_uIndex;
  
             // Destroy item
             pItem->~T();
  
             // Move all others by one <-
             if (in_uIndex + 1 < m_uLength)
             {
                 AKPLATFORM::AkMemMove(
                     pItem,
                     pItem + 1,
                     (m_uLength - in_uIndex - 1) * sizeof(T)
                 );
             }
         }
         else
         {
             // Move items by 1 <-
             T* pItemLast = m_pItems + m_uLength - 1;
  
             for (T* pItem = m_pItems + in_uIndex; pItem < pItemLast; pItem++)
                 TMovePolicy::Move(pItem[0], pItem[1]);
  
             // Destroy the last item
             pItemLast->~T();
         }
  
         m_uLength--;
     }
  
     /// Erase the specified iterator in the array. but it does not guarantee the ordering in the array.
     /// This version should be used only when the order in the array is not an issue.
     Iterator EraseSwap( Iterator& in_rIter )
     {
         AKASSERT( m_pItems != 0 && Length() > 0 );
  
         if (in_rIter.pItem < (m_pItems + m_uLength - 1))
         {
             // Swap last item with this one.
             TMovePolicy::Move( *in_rIter.pItem, Last( ) );
         }
  
         // Destroy.
         AKASSERT( Length( ) > 0 );
         Last( ).~T();
  
         m_uLength--;
  
         return in_rIter;
     }
  
     /// Erase the item at the specified index, but it does not guarantee the ordering in the array.
     /// This version should be used only when the order in the array is not an issue.
     void EraseSwap(unsigned int in_uIndex)
     {
         Iterator Iterator;
         Iterator.pItem = m_pItems + in_uIndex;
         EraseSwap(Iterator);
     }
  
     bool IsGrowingAllowed() const
     {
         return TGrowBy::GrowBy( 1 ) != 0;
     }
  
     /// Ensure preallocation of a number of items.
     ///
     /// Reserve() won't change the Length() of the array and does nothing if
     /// in_ulReserve is smaller or equal to current Reserved() size.
     ///
     /// If an allocation occurs, i.e. `in_ulReserve > Reserved()`, all iterators and
     /// all references to the array elements are invalidated.
     ///
     /// \note When template parameter `TGrowBy = AkGrowByPolicy_NoGrow`, Reserve() shall
     ///       only be called if the current reserved size is zero.
     ///       It should normally only be called once on init.
     ///
     /// \note When template parameter `TGrowBy = AkGrowByPolicy_Proportional`, inappropriate
     ///       calls to Reserve(), e.g. calling it before every AddLast(), may increase the
     ///       number of reallocations and result in decreased performance.
     inline AKRESULT Reserve(AkUInt32 in_ulReserve)
     {
         if (in_ulReserve <= m_ulReserved)
             return AK_Success;
  
         if (m_ulReserved && !IsGrowingAllowed())
         {
             AKASSERT(!"AkArray calling Reserve() with AkGrowByPolicy_NoGrow is only allowed when reserved size is zero");
             return AK_InvalidParameter;
         }
  
         return GrowArray(in_ulReserve - m_ulReserved) ? AK_Success : AK_InsufficientMemory;
     }
  
     /// Ensure preallocation of a number of extra items on top of current array size.
     /// Same as calling `myArray.Reserve(myArray.Length() + extraItemCount)`.
     /// \see Reserve()
     inline AKRESULT ReserveExtra(AkUInt32 in_ulReserve)
     {
         return Reserve(Length() + in_ulReserve);
     }
  
     AkUInt32 Reserved() const { return m_ulReserved; }
  
     /// Term the array. Must be called before destroying the object.
     void Term()
     {
         if ( m_pItems )
         {
             RemoveAll();
             TAlloc::Free( m_pItems );
             m_pItems = 0;
             m_ulReserved = 0;
         }
     }
  
     /// Returns the numbers of items in the array.
     AkForceInline AkUInt32 Length() const
     {
         return m_uLength;
     }
  
     /// Returns a pointer to the first item in the array.
     AkForceInline T * Data() const
     {
         return m_pItems;
     }
  
     /// Returns true if the number items in the array is 0, false otherwise.
     AkForceInline bool IsEmpty() const
     {
         return m_uLength == 0;
     }
     
     /// Returns a pointer to the specified item in the list if it exists, 0 if not found.
     AkForceInline T* Exists(ARG_T in_Item) const
     {
         Iterator it = FindEx( in_Item );
         return ( it != End() ) ? it.pItem : 0;
     }
  
     /// Add an item in the array, without filling it.
     /// Returns a pointer to the location to be filled.
     AkForceInline T * AddLast()
     {
         size_t cItems = Length();
  
 #if defined(_MSC_VER)
 #pragma warning( push )
 #pragma warning( disable : 4127 )
 #endif
         if ( ( cItems >= m_ulReserved ) && IsGrowingAllowed() )
         {
             if ( !GrowArray() ) 
                 return 0;
         }
 #if defined(_MSC_VER)
 #pragma warning( pop )
 #endif
  
         // have we got space for a new one ?
         if(  cItems < m_ulReserved )
         {
             T * pEnd = m_pItems + m_uLength++;
             AkPlacementNew( pEnd ) T; 
             return pEnd;
         }
  
         return 0;
     }
  
     /// Add an item in the array, and fills it with the provided item.
     AkForceInline T * AddLast(ARG_T in_rItem)
     {
         T * pItem = AddLast();
         if ( pItem )
             *pItem = in_rItem;
         return pItem;
     }
  
     /// Returns a reference to the last item in the array.
     T& Last()
     {
         AKASSERT( m_uLength );
  
         return *( m_pItems + m_uLength - 1 );
     }
  
     /// Removes the last item from the array.
     void RemoveLast()
     {
         AKASSERT( m_uLength );
         ( m_pItems + m_uLength - 1 )->~T();
         m_uLength--;
     }
  
     /// Removes the specified item if found in the array.
     AKRESULT Remove(ARG_T in_rItem)
     {
         Iterator it = FindEx( in_rItem );
         if ( it != End() )
         {
             Erase( it );
             return AK_Success;
         }
  
         return AK_Fail;
     }
  
     /// Fast remove of the specified item in the array.
     /// This method do not guarantee keeping ordering of the array.
     AKRESULT RemoveSwap(ARG_T in_rItem)
     {
         Iterator it = FindEx( in_rItem );
         if ( it != End() )
         {
             EraseSwap( it );
             return AK_Success;
         }
  
         return AK_Fail;
     }
  
     /// Removes all items in the array
     void RemoveAll()
     {
         for ( Iterator it = Begin(), itEnd = End(); it != itEnd; ++it )
             (*it).~T();
         m_uLength = 0;
     }
  
     /// Operator [], return a reference to the specified index.
     AkForceInline T& operator[](unsigned int uiIndex) const
     {
         AKASSERT( m_pItems );
         AKASSERT( uiIndex < Length() );
         return m_pItems[uiIndex];
     }
  
     /// Insert an item at the specified position without filling it.
     /// Success: returns an iterator pointing to the new item.
     /// Failure: returns end iterator.
     Iterator Insert(Iterator& in_rIter)
     {
         AKASSERT(!in_rIter.pItem || m_pItems);
  
         AkUInt32 index = (in_rIter.pItem && m_pItems) ? (AkUInt32)(in_rIter.pItem - m_pItems) : 0;
         if (index <= Length())
         {
             if (T* ptr = Insert(index))
             {
                 Iterator it;
                 it.pItem = ptr;
                 return it;
             }
         }
  
         return End();
     }
  
     /// Insert an item at the specified position without filling it.
     /// Returns the pointer to the item to be filled.
     T * Insert(unsigned int in_uIndex)
     {
         AKASSERT( in_uIndex <= Length() );
  
         size_t cItems = Length();
  
 #if defined(_MSC_VER)
 #pragma warning( push )
 #pragma warning( disable : 4127 )
 #endif
         if ( ( cItems >= m_ulReserved ) && IsGrowingAllowed() )
         {
             if ( !GrowArray() ) 
                 return 0;
         }
 #if defined(_MSC_VER)
 #pragma warning( pop )
 #endif
  
         // have we got space for a new one ?
         if (cItems < m_ulReserved)
         {
             if (TMovePolicy::IsTrivial())
             {
                 T* pItem = m_pItems + in_uIndex;
  
                 // Move items by one ->
                 if (in_uIndex < m_uLength)
                 {
                     AKPLATFORM::AkMemMove(
                         pItem + 1,
                         pItem,
                         (m_uLength - in_uIndex) * sizeof(T)
                     );
                 }
  
                 // Initialize the new item
                 AkPlacementNew(pItem) T;
  
                 m_uLength++;
             }
             else
             {
                 T* pItemLast = m_pItems + m_uLength++;
                 AkPlacementNew(pItemLast) T;
  
                 // Move items by 1 ->
                 for (T* pItem = pItemLast; pItem > (m_pItems + in_uIndex); --pItem)
                     TMovePolicy::Move(pItem[0], pItem[-1]);
  
                 // Reinitialize item at index
                 (m_pItems + in_uIndex)->~T();
                 AkPlacementNew(m_pItems + in_uIndex) T;
             }
  
             return m_pItems + in_uIndex;
         }
  
         return 0;
     }
  
     bool GrowArray()
     {
         // If no size specified, growing by the declared growth policy of the array.
         return GrowArray( TGrowBy::GrowBy( m_ulReserved ) );
     }
  
     /// Resize the array.
     bool GrowArray( AkUInt32 in_uGrowBy )
     {
         AKASSERT( in_uGrowBy );
  
         AkUInt32 ulNewReserve = m_ulReserved + in_uGrowBy;
         T * pNewItems = NULL;
         size_t cItems = Length();
  
         // Reallocate only if IsTrivial() and m_pItems is already allocated.
         if (m_pItems && TMovePolicy::IsTrivial())
         {
             pNewItems = (T *)TAlloc::ReAlloc(m_pItems, sizeof(T) * cItems, sizeof(T) * ulNewReserve);
             if (!pNewItems)
                 return false;
         }
         else
         {
             pNewItems = (T *)TAlloc::Alloc(sizeof(T) * ulNewReserve);
             if (!pNewItems)
                 return false;
  
             // Copy all elements in new array, destroy old ones
             if (m_pItems && m_pItems != pNewItems /*AkHybridAllocator may serve up same memory*/)
             {
                 for (size_t i = 0; i < cItems; ++i)
                 {
                     AkPlacementNew(pNewItems + i) T;
  
                     TMovePolicy::Move(pNewItems[i], m_pItems[i]);
  
                     m_pItems[i].~T();
                 }
  
                 TAlloc::Free(m_pItems);
             }
         }
  
         m_pItems = pNewItems;
         m_ulReserved = ulNewReserve;
         return true;
     }
  
     /// Resize the array to the specified size.
     bool Resize(AkUInt32 in_uiSize)
     {
         AkUInt32 cItems = Length();
         if (in_uiSize < cItems)
         {
             for (AkUInt32 i = in_uiSize; i < cItems; i++)
             {
                 m_pItems[i].~T();
             }
             
             m_uLength = in_uiSize;
             return true;
         }
  
         if ( in_uiSize > m_ulReserved )
         {
             if ( !GrowArray(in_uiSize - m_ulReserved) )
                 return false;
         }
  
         //Create the missing items.
         for(size_t i = cItems; i < in_uiSize; i++)
         {
             AkPlacementNew( m_pItems + i ) T; 
         }
  
         m_uLength = in_uiSize;
         return true;
     }
  
     void Transfer(AkArray<T,ARG_T,TAlloc,TGrowBy,TMovePolicy>& in_rSource)
     {
         Term();
  
         TAlloc::TransferMem( (void*&)m_pItems, in_rSource, (void*)in_rSource.m_pItems );
         m_uLength = in_rSource.m_uLength;
         m_ulReserved = in_rSource.m_ulReserved;
  
         in_rSource.m_pItems = NULL;
         in_rSource.m_uLength = 0;
         in_rSource.m_ulReserved = 0;
     }
  
     AKRESULT Copy(const AkArray<T, ARG_T, TAlloc, TGrowBy, TMovePolicy>& in_rSource)
     {
         RemoveAll();
  
         if (Resize(in_rSource.Length()))
         {
             for (AkUInt32 i = 0; i < in_rSource.Length(); ++i)
                 m_pItems[i] = in_rSource.m_pItems[i];
             return AK_Success;
         }
         return AK_Fail;
     }
  
 protected:
  
     T *         m_pItems;       ///< pointer to the beginning of the array.
     AkUInt32    m_uLength;      ///< number of items in the array.
     AkUInt32    m_ulReserved;   ///< how many we can have at most (currently allocated).
 };
  
  
 #endif

AkArray::EraseSwap

void EraseSwap(unsigned int in_uIndex)

Definition: AkArray.h:503

AkArrayAllocatorNoAlign::TransferMem

static AkForceInline void TransferMem(void *&io_pDest, AkArrayAllocatorNoAlign< T_MEMID > in_srcAlloc, void *in_pSrc)

Definition: AkArray.h:55

AkHybridAllocator::TransferMem

AkForceInline void TransferMem(void *&io_pDest, AkHybridAllocator< uBufferSizeBytes, uAlignmentSize, T_MEMID > &in_srcAlloc, void *in_pSrc)

Definition: AkArray.h:124

AkArray::Iterator::operator-

AkUInt32 operator-(Iterator const &rhs) const

Definition: AkArray.h:295

AkArrayAllocatorAlignedSimd::Alloc

AkForceInline void * Alloc(size_t in_uSize)

Definition: AkArray.h:64

AkArrayAllocatorAlignedSimd::Free

AkForceInline void Free(void *in_pAddress)

Definition: AkArray.h:74

AkArray::Iterator::operator++

Iterator & operator++()

++ operator

Definition: AkArray.h:302

AkHybridAllocator::_uBufferSizeBytes

static const AkUInt32 _uBufferSizeBytes

Definition: AkArray.h:93

AkArrayAllocatorAlignedSimd

Definition: AkArray.h:63

AKPLATFORM::AkMemMove

AkForceInline void AkMemMove(void *pDest, const void *pSrc, AkUInt32 uSize)

Definition: AkPlatformFuncs.h:139

AkArray::~AkArray

~AkArray()

Destructor

Definition: AkArray.h:270

AK_Fail

@ AK_Fail

The operation failed.

Definition: AkTypes.h:137

AkArray::IsGrowingAllowed

bool IsGrowingAllowed() const

Definition: AkArray.h:510

AkGrowByPolicy_Proportional

Definition: AkArray.h:244

AkHybridAllocator::ReAlloc

AkForceInline void * ReAlloc(void *in_pCurrent, size_t in_uOldSize, size_t in_uNewSize)

Definition: AkArray.h:102

AkArray::Copy

AKRESULT Copy(const AkArray< T, ARG_T, TAlloc, TGrowBy, TMovePolicy > &in_rSource)

Definition: AkArray.h:866

AkArray::FindEx

Iterator FindEx(ARG_T in_Item) const

Returns the iterator th the specified item, will be End() if the item is not found

Definition: AkArray.h:361

AkTrivialStdMovePolicy

Definition: AkArray.h:182

AkPlacementNew

#define AkPlacementNew(_memory)

Definition: AkPlacementNew.h:48

AkPlacementNew.h

AkArray::RemoveAll

void RemoveAll()

Removes all items in the array

Definition: AkArray.h:674

AkFree

#define AkFree(_pool, _pvmem)

Definition: AkObject.h:58

AK::MemoryMgr::Free

AKSOUNDENGINE_API void Free(AkMemPoolId in_poolId, void *in_pMemAddress)

AkHybridAllocator::AK_ALIGN

AK_ALIGN(char m_buffer[uBufferSizeBytes], uAlignmentSize)

AkTransferMovePolicy

Definition: AkArray.h:198

AkArray::Last

T & Last()

Returns a reference to the last item in the array.

Definition: AkArray.h:631

AKRESULT

Standard function call result.

Definition: AkTypes.h:134

AkArrayAllocatorAlignedSimd::ReAlloc

AkForceInline void * ReAlloc(void *in_pCurrent, size_t in_uOldSize, size_t in_uNewSize)

Definition: AkArray.h:69

AkArray::RemoveSwap

AKRESULT RemoveSwap(ARG_T in_rItem)

Definition: AkArray.h:661

ArrayPoolLEngineDefaultAlignedSimd

AkArrayAllocatorAlignedSimd< AkMemID_Processing > ArrayPoolLEngineDefaultAlignedSimd

Definition: AkArray.h:214

AkHybridAllocator::Free

AkForceInline void Free(void *in_pAddress)

Definition: AkArray.h:118

AkGrowByPolicy_Hybrid::GrowBy

static AkUInt32 GrowBy(AkUInt32 in_CurrentArraySize)

Definition: AkArray.h:232

AkArray::Exists

AkForceInline T * Exists(ARG_T in_Item) const

Returns a pointer to the specified item in the list if it exists, 0 if not found.

Definition: AkArray.h:585

AkArray

Specific implementation of array

Definition: AkArray.h:259

AkAlloc

#define AkAlloc(_pool, _size)

Definition: AkObject.h:51

NULL

#define NULL

Definition: AkTypes.h:46

AkStdMovePolicy::IsTrivial

static AkForceInline bool IsTrivial()

Definition: AkArray.h:174

AkArray::Iterator::pItem

T * pItem

Pointer to the item in the array.

Definition: AkArray.h:283

AK_Success

@ AK_Success

The operation was successful.

Definition: AkTypes.h:136

AkArray::GrowArray

bool GrowArray(AkUInt32 in_uGrowBy)

Resize the array.

Definition: AkArray.h:780

AkArray::Iterator::operator->

T * operator->() const

Definition: AkArray.h:324

ArrayPoolProfiler

AkArrayAllocatorNoAlign< AkMemID_Profiler > ArrayPoolProfiler

Definition: AkArray.h:213

ArrayPoolLEngineDefault

AkArrayAllocatorNoAlign< AkMemID_Processing > ArrayPoolLEngineDefault

Definition: AkArray.h:212

AkArrayAllocatorAlignedSimd::TransferMem

AkForceInline void TransferMem(void *&io_pDest, AkArrayAllocatorAlignedSimd< T_MEMID > in_srcAlloc, void *in_pSrc)

Definition: AkArray.h:79

AkArray::Iterator::operator==

bool operator==(const Iterator &in_rOp) const

== operator

Definition: AkArray.h:331

AkArray::RemoveLast

void RemoveLast()

Removes the last item from the array.

Definition: AkArray.h:639

AK_InvalidParameter

@ AK_InvalidParameter

Something is not within bounds, check the documentation of the function returning this code.

Definition: AkTypes.h:152

AkArrayAllocatorNoAlign::Alloc

static AkForceInline void * Alloc(size_t in_uSize)

Definition: AkArray.h:40

AkArray::m_uLength

AkUInt32 m_uLength

number of items in the array.

Definition: AkArray.h:882

AkArray::Resize

bool Resize(AkUInt32 in_uiSize)

Resize the array to the specified size.

Definition: AkArray.h:823

AkArray::AkArray

AkArray()

Constructor

Definition: AkArray.h:262

AkArray::AddLast

AkForceInline T * AddLast(ARG_T in_rItem)

Add an item in the array, and fills it with the provided item.

Definition: AkArray.h:622

AkArray::Iterator

Iterator

Definition: AkArray.h:282

AKASSERT

#define AKASSERT(Condition)

Definition: AkAssert.h:67

AkGrowByPolicy_NoGrow::GrowBy

static AkUInt32 GrowBy(AkUInt32)

Definition: AkArray.h:223

AkArrayAllocatorNoAlign::ReAlloc

static AkForceInline void * ReAlloc(void *in_pCurrent, size_t in_uOldSize, size_t in_uNewSize)

Definition: AkArray.h:45

AkArray::ReserveExtra

AKRESULT ReserveExtra(AkUInt32 in_ulReserve)

Definition: AkArray.h:547

AKPLATFORM::AkMemCpy

AkForceInline void AkMemCpy(void *pDest, const void *pSrc, AkUInt32 uSize)

Platform Independent Helper for memcpy/memmove/memset

Definition: AkPlatformFuncs.h:134

AkArray::End

Iterator End() const

Returns the iterator to the end of the array

Definition: AkArray.h:353

AkArray::Reserved

AkUInt32 Reserved() const

Definition: AkArray.h:552

AkArray::Insert

Iterator Insert(Iterator &in_rIter)

Definition: AkArray.h:692

AkObject.h

AkHybridAllocator::Alloc

AkForceInline void * Alloc(size_t in_uSize)

Definition: AkArray.h:95

AkStdMovePolicy

Definition: AkArray.h:167

AkArray::Iterator::operator*

T & operator*()

Definition: AkArray.h:318

AkAssignmentMovePolicy

Definition: AkArray.h:148

AK_SIMD_ALIGNMENT

#define AK_SIMD_ALIGNMENT

Platform-specific alignment requirement for SIMD data

Definition: AkTypes.h:52

AkPlatformFuncs.h

AkArray::Transfer

void Transfer(AkArray< T, ARG_T, TAlloc, TGrowBy, TMovePolicy > &in_rSource)

Definition: AkArray.h:853

AkArray::Erase

Iterator Erase(Iterator &in_rIter)

Erase the specified iterator from the array

Definition: AkArray.h:404

AkTransferMovePolicy::Move

static AkForceInline void Move(T &in_Dest, T &in_Src)

Definition: AkArray.h:199

AkMalign

#define AkMalign(_pool, _size, _align)

Definition: AkObject.h:52

AkArray::m_ulReserved

AkUInt32 m_ulReserved

how many we can have at most (currently allocated).

Definition: AkArray.h:883

AkArray::Begin

Iterator Begin() const

Returns the iterator to the first item of the array, will be End() if the array is empty.

Definition: AkArray.h:345

AkArray::Length

AkForceInline AkUInt32 Length() const

Returns the numbers of items in the array.

Definition: AkArray.h:567

AkTransferMovePolicy::IsTrivial

static AkForceInline bool IsTrivial()

Definition: AkArray.h:204

AkRealloc

#define AkRealloc(_pool, _pvmem, _size)

Definition: AkObject.h:54

ArrayPoolDefault

AkArrayAllocatorNoAlign< AkMemID_Object > ArrayPoolDefault

Definition: AkArray.h:211

AkArray::Remove

AKRESULT Remove(ARG_T in_rItem)

Removes the specified item if found in the array.

Definition: AkArray.h:647

AkGrowByPolicy_Hybrid

Definition: AkArray.h:231

AkArray::Erase

void Erase(unsigned int in_uIndex)

Erase the item at the specified index

Definition: AkArray.h:444

AkArray::Iterator::operator!=

bool operator!=(const Iterator &in_rOp) const

!= operator

Definition: AkArray.h:337

AkGrowByPolicy_Legacy

Definition: AkArray.h:217

AkArray::GrowArray

bool GrowArray()

Definition: AkArray.h:773

AkArray::AddLast

AkForceInline T * AddLast()

Definition: AkArray.h:593

AkArrayAllocatorNoAlign::Free

static AkForceInline void Free(void *in_pAddress)

Definition: AkArray.h:50

AkUInt32

uint32_t AkUInt32

Unsigned 32-bit integer

Definition: AkNumeralTypes.h:38

AkHybridAllocator

Definition: AkArray.h:92

AkArray::Term

void Term()

Term the array. Must be called before destroying the object.

Definition: AkArray.h:555

AkAssignmentMovePolicy::IsTrivial

static AkForceInline bool IsTrivial()

Definition: AkArray.h:159

AK_InsufficientMemory

@ AK_InsufficientMemory

Memory error.

Definition: AkTypes.h:164

AkGrowByPolicy_Proportional::GrowBy

static AkUInt32 GrowBy(AkUInt32 in_CurrentArraySize)

Definition: AkArray.h:245

AkGrowByPolicy_Legacy::GrowBy

static AkUInt32 GrowBy(AkUInt32)

Definition: AkArray.h:218

AkAssert.h

AkArray::IsEmpty

AkForceInline bool IsEmpty() const

Returns true if the number items in the array is 0, false otherwise.

Definition: AkArray.h:579

AkAssignmentMovePolicy::Move

static AkForceInline void Move(T &in_Dest, T &in_Src)

Definition: AkArray.h:151

AkGrowByPolicy_NoGrow

Definition: AkArray.h:222

AkForceInline

#define AkForceInline

Definition: AkTypes.h:63

AkArray::Data

AkForceInline T * Data() const

Returns a pointer to the first item in the array.

Definition: AkArray.h:573

AkArray::Insert

T * Insert(unsigned int in_uIndex)

Definition: AkArray.h:712

AkArrayAllocatorNoAlign

Definition: AkArray.h:39

AkArray::Iterator::operator--

Iterator & operator--()

– operator

Definition: AkArray.h:310

AkArray::EraseSwap

Iterator EraseSwap(Iterator &in_rIter)

Definition: AkArray.h:482

AkArray::operator[]

AkForceInline T & operator[](unsigned int uiIndex) const

Operator [], return a reference to the specified index.

Definition: AkArray.h:682

AkReallocAligned

#define AkReallocAligned(_pool, _pvmem, _size, _align)

Definition: AkObject.h:55

AkArray::Reserve

AKRESULT Reserve(AkUInt32 in_ulReserve)

Definition: AkArray.h:530

AkArray::Iterator::operator+

Iterator operator+(AkUInt32 inc) const

Definition: AkArray.h:286

AkStdMovePolicy::Move

static AkForceInline void Move(T &&io_Dest, T &&io_Src)

Definition: AkArray.h:169

AkArray::BinarySearch

Iterator BinarySearch(ARG_T in_Item) const

Definition: AkArray.h:376

AkArray::m_pItems

T * m_pItems

pointer to the beginning of the array.

Definition: AkArray.h:881

AkTrivialStdMovePolicy::Move

static AkForceInline void Move(T &&io_Dest, T &&io_Src)

Definition: AkArray.h:184

AkTrivialStdMovePolicy::IsTrivial

static AkForceInline bool IsTrivial()

Definition: AkArray.h:189

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