_ak_key_def_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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 #ifndef _KEYDEF_H_
 #define _KEYDEF_H_
  
 #include <AK/Tools/Common/AkArray.h> //For ArrayPoolDefault
 #include <AK/Tools/Common/AkPlacementNew.h>
  
 template <class T_KEY, class T_ITEM> 
 struct MapStruct
 {
     T_KEY   key; 
     T_ITEM  item;
     bool operator ==(const MapStruct& in_Op) const
     {
         return ( (key == in_Op.key) /*&& (item == in_Op.item)*/ );
     }
  
     void Transfer(MapStruct<T_KEY, T_ITEM>& in_rSource)
     {
         key = in_rSource.key;
         item.Transfer(in_rSource.item); //transfer ownership of resources.
     }
 };
  
  
 // A helper struct that can be used as a T_ITEM in an CAkKeyArray, when you need to only preform a shallow copy
 //   on the data that you are referencing.  For example if you wanted to to use an AkArray type.
 // NOTE: AllocData() and FreeData() must be explicitly called, or else pData can be manually Alloc'd/Free'd.
 template < typename T_KEY, typename T_DATA, class T_ALLOC = ArrayPoolDefault >
 struct AkKeyDataPtrStruct: public T_ALLOC
 {
     AkKeyDataPtrStruct(): pData(NULL) {}
     AkKeyDataPtrStruct(T_KEY in_key): key(in_key), pData(NULL) {}
  
     T_KEY   key;
     T_DATA* pData;
     bool operator ==(const AkKeyDataPtrStruct<T_KEY,T_DATA>& in_Op) const
     {
         return ( key == in_Op.key );
     }
  
     bool AllocData()
     {
         AKASSERT( !pData );
         pData = (T_DATA*) T_ALLOC::Alloc( sizeof( T_DATA ));
         if (pData)
         {
             AkPlacementNew( pData ) T_DATA();
             return true;
         }
         return false;
     }
  
     void FreeData()
     {
         if( pData )
         {
             pData->~T_DATA();
             T_ALLOC::Free(pData);
             pData = NULL;
         }
     }
  
     static AkForceInline T_KEY& Get( AkKeyDataPtrStruct<T_KEY, T_DATA>& in_val ) { return in_val.key; }
 };
  
 #endif //_KEYDEF_H_