CreateAdditionalStreamInfo

This C++ Function is found inside of CAdditionalVertexStreamManager.

It creates additional stream info.

It can be found in Client/Client Core/Sources/CAdditionalVertexStreamManager.cpp in Visual Studio.

Required Arguments

• state: To be defined.

Returns

Returns --to be defined.

Code

SAdditionalStreamInfo* CAdditionalVertexStreamManager::CreateAdditionalStreamInfo ( const SCurrentStateInfo& state )
{
    SAdditionalStreamInfo* pAdditionalInfo = MapFind ( m_AdditionalStreamInfoMap, state.stream1.pStreamData );
    if ( !pAdditionalInfo )
    {
        // Create it
        SAdditionalStreamInfo info;

        // Create new decleration
        D3DVERTEXELEMENT9 elements[MAXD3DDECLLENGTH];
        assert ( state.decl.numElements > 3 && state.decl.numElements < 5 );
        memcpy ( elements, state.decl.elements, state.decl.numElements * sizeof ( D3DVERTEXELEMENT9 ) );

        D3DVERTEXELEMENT9* declNew = &elements[ state.decl.numElements - 1 ];
        elements[ state.decl.numElements ] = *declNew;

        declNew->Stream = 2;
        declNew->Offset = 0;
        declNew->Type = D3DDECLTYPE_FLOAT3;
        declNew->Method = D3DDECLMETHOD_DEFAULT;
        declNew->Usage = D3DDECLUSAGE_NORMAL;
        declNew->UsageIndex = 0;
        if ( FAILED( m_pDevice->CreateVertexDeclaration ( elements, &info.pVertexDeclaration ) ) )
            return false;

        // Create new stream
        info.Stride = sizeof ( float ) * 3;
        UINT Size2 = ConvertPTSize ( state.decl.VertexBufferDesc1.Size );
        if ( FAILED( m_pDevice->CreateVertexBuffer( Size2, D3DUSAGE_WRITEONLY, 0, D3DPOOL_MANAGED, &info.pStreamData, NULL ) ) )
            return false;

        // Save info
        MapSet ( m_AdditionalStreamInfoMap, state.stream1.pStreamData, info );
        pAdditionalInfo = MapFind ( m_AdditionalStreamInfoMap, state.stream1.pStreamData );
    }

    return pAdditionalInfo;
}

See Also

• CAdditionalVertexStreamManager