Method SaveToCMF

trinity/Particle/Tr2ParticleSystem.cpp:1371–1471

-------------------------------------------------------------------------------------- Description: Saves current particle data into a CMF file. Arguments: resPath - Resource path of the CMF file to save particle data to. --------------------------------------------------------------------------------------

//   resPath - Resource path of the CMF file to save particle data to.
// --------------------------------------------------------------------------------------
void Tr2ParticleSystem::SaveToCMF( const char* resPath ) const
{
	if( !m_isValid )
	{
		return;
	}

	std::wstring resPathW = (const wchar_t*)CA2W( resPath );
	std::wstring filename = BePaths->ResolvePathForWritingW( resPathW );

#if WITH_GRANNY
	if( filename.size() >= 4 && filename.compare( filename.size() - 4, 4, L".gr2" ) == 0 )
	{
		return SaveToGranny( resPath );
	}
#endif

	cmf::MemoryAllocator allocator;
	cmf::BufferManager bufferAllocator( allocator );
	cmf::Span<cmf::VertexElement> cmfVertexDecl = allocator.AllocateSpan<cmf::VertexElement>( m_elementMap.size() );

	unsigned vertexSize = 0;
	std::map<Tr2ParticleElementDeclarationName, unsigned> offsets;

	Tr2VertexDefinition vd;
	for( auto i = m_elementMap.begin(); i != m_elementMap.end(); ++i )
	{
		static const unsigned dimensions[] = {
			Tr2VertexDefinition::DT_SIZE_1,
			Tr2VertexDefinition::DT_SIZE_2,
			Tr2VertexDefinition::DT_SIZE_3,
			Tr2VertexDefinition::DT_SIZE_4,
		};
		auto& item = vd.Add( static_cast<Tr2VertexDefinition::DataType>( vd.FLOAT32_1 | dimensions[i->second.m_dimension - 1] ), i->first.GetD3DUsage(), i->second.m_usageIndex, 0 );
		item.m_offset = vertexSize;

		offsets[i->first] = vertexSize;

		vertexSize += i->second.m_dimension;
	}
	if( !ConvertVertexDeclToCMF( vd, cmfVertexDecl, (uint32_t)cmfVertexDecl.size() ) )
	{
		return;
	}

	unsigned totalSize = 0;
	for( unsigned i = 0; i < Tr2ParticleElementData::COUNT; ++i )
	{
		totalSize += m_vertexSizes[i];
	}
	std::vector<float> vertices;
	vertices.resize( totalSize * m_aliveCount );
	if( m_aliveCount )
	{
		float* vertex = vertices.data();
		for( unsigned i = 0; i < m_aliveCount; ++i )
		{
			for( auto j = m_elementMap.begin(); j != m_elementMap.end(); ++j )