include/AK/Plugin/PluginServices/AkMixerInputMap.h
説明を見る。00001
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00007 #ifndef _AK_MIXERINPUTMAP_H_
00008 #define _AK_MIXERINPUTMAP_H_
00009
00010 #include <AK/SoundEngine/Common/AkTypes.h>
00011 #include <AK/SoundEngine/Common/IAkPlugin.h>
00012 #include <AK/SoundEngine/Common/IAkPluginMemAlloc.h>
00013 #include <AK/Tools/Common/AkArray.h>
00014
00038
00040 template <class USER_DATA>
00041 struct AkInputMapSlot
00042 {
00043 AK::IAkMixerInputContext * pContext;
00044 USER_DATA * pUserData;
00045
00046 AkInputMapSlot() : pContext( NULL ), pUserData( NULL ) {}
00047 bool operator ==(const AkInputMapSlot& in_Op) const { return ( pContext == in_Op.pContext ); }
00048 };
00049
00052 class AkPluginArrayAllocator
00053 {
00054 public:
00055 AkForceInline AkPluginArrayAllocator() : m_pAllocator( NULL ) {}
00056 AkForceInline void Init( AK::IAkPluginMemAlloc * in_pAllocator ) { m_pAllocator = in_pAllocator; }
00057 protected:
00058 AkForceInline void * Alloc( size_t in_uSize ) { AKASSERT( m_pAllocator || !"Allocator not set. Did you forget to call AkMixerInputMap::Init()?" ); return AK_PLUGIN_ALLOC( m_pAllocator, in_uSize ); }
00059 AkForceInline void Free( void * in_pAddress ) { AKASSERT( m_pAllocator || !"Allocator not set. Did you forget to call AkMixerInputMap::Init()?" ); AK_PLUGIN_FREE( m_pAllocator, in_pAddress ); }
00060 AkForceInline AK::IAkPluginMemAlloc * GetAllocator() { return m_pAllocator; }
00061 private:
00062 AK::IAkPluginMemAlloc * m_pAllocator;
00063 };
00064
00066 template <class USER_DATA>
00067 class AkMixerInputMap : public AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>
00068 {
00069 public:
00070 typedef AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1> BaseClass;
00071
00073 USER_DATA * Exists( AK::IAkMixerInputContext * in_pInput )
00074 {
00075 typename AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>::Iterator it = FindEx( in_pInput );
00076 return ( it != BaseClass::End() ) ? (*it).pUserData : NULL;
00077 }
00078
00080 USER_DATA * AddInput( AK::IAkMixerInputContext * in_pInput )
00081 {
00082 typename AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>::Iterator it = FindEx( in_pInput );
00083 if ( it != BaseClass::End() )
00084 return (*it).pUserData;
00085 else
00086 {
00087 AkInputMapSlot<USER_DATA> * pSlot = AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>::AddLast();
00088 if ( pSlot )
00089 {
00090 pSlot->pUserData = AK_PLUGIN_NEW( AkPluginArrayAllocator::GetAllocator(), USER_DATA );
00091 if ( pSlot->pUserData )
00092 {
00093 pSlot->pContext = in_pInput;
00094 return pSlot->pUserData;
00095 }
00096 BaseClass::RemoveLast();
00097 }
00098 }
00099 return NULL;
00100 }
00101
00103 bool RemoveInput( AK::IAkMixerInputContext * in_pInput )
00104 {
00105 typename AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>::Iterator it = FindEx( in_pInput );
00106 if ( it != BaseClass::End() )
00107 {
00108 AKASSERT( (*it).pUserData );
00109 AK_PLUGIN_DELETE( AkPluginArrayAllocator::GetAllocator(), (*it).pUserData );
00110 BaseClass::EraseSwap( it );
00111 return true;
00112 }
00113 return false;
00114 }
00115
00117 void Term()
00118 {
00119 if ( BaseClass::m_pItems )
00120 {
00121 RemoveAll();
00122 AkPluginArrayAllocator::Free( BaseClass::m_pItems );
00123 BaseClass::m_pItems = 0;
00124 BaseClass::m_ulReserved = 0;
00125 }
00126 }
00127
00129 typename AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>::Iterator FindEx( AK::IAkMixerInputContext * in_pInput ) const
00130 {
00131 AkInputMapSlot<USER_DATA> mapSlot;
00132 mapSlot.pContext = in_pInput;
00133 return BaseClass::FindEx( mapSlot );
00134 }
00135
00137 void RemoveAll()
00138 {
00139 for ( typename AkArray<AkInputMapSlot<USER_DATA>, const AkInputMapSlot<USER_DATA>&, AkPluginArrayAllocator, 1>::Iterator it = BaseClass::Begin(), itEnd = BaseClass::End(); it != itEnd; ++it )
00140 {
00141 AKASSERT( (*it).pUserData );
00142 AK_PLUGIN_DELETE( AkPluginArrayAllocator::GetAllocator(), (*it).pUserData );
00143 (*it).~AkInputMapSlot();
00144 }
00145 BaseClass::m_uLength = 0;
00146 }
00147 };
00148
00149 #endif // _AK_MIXERINPUTMAP_H_
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