Method SaveToCMF

trinity/Tr2RuntimeInstanceData.cpp:31–88

-------------------------------------------------------------------------------------- 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 Tr2RuntimeInstanceData::SaveToCMF( const char* resPath ) const
{
	if( !m_data )
	{
		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_layout.m_items.size() );

	if( !ConvertVertexDeclToCMF( m_layout, cmfVertexDecl, (uint32_t)cmfVertexDecl.size() ) )
	{
		return;
	}

	uint32_t vertexBufferStride = m_stride;
	uint32_t vertexBufferSize = vertexBufferStride * m_count;

	cmf::Data cmfData;
	cmfData.meshes = allocator.AllocateSpan<cmf::Mesh>( 1 );

	cmf::Mesh& cmfMesh = cmfData.meshes[0] = {};
	cmfMesh.name = allocator.AllocateString( m_name );
	cmfMesh.decl = cmfVertexDecl;
	cmfMesh.lods = allocator.AllocateSpan<cmf::MeshLod>( 1 );

	cmf::MeshLod& cmfMeshLod = cmfMesh.lods[0] = {};
	cmfMeshLod.vb = bufferAllocator.AddBuffer( m_data.get(), vertexBufferSize, vertexBufferStride );

	auto file = cmf::BuildFile( cmfData, bufferAllocator );

	FILE* outFile;
	auto err = fopen_s( &outFile, CW2A( filename.c_str() ), "wb" );

	if( err != 0 )
	{
		CCP_LOGERR( "Failed to open output file: %ls\n", filename.c_str() );
		return;
	}
	if( fwrite( file.data(), 1, file.size(), outFile ) != file.size() )
	{
		CCP_LOGERR( "Failed to write output file: %ls\n", filename.c_str() );
		fclose( outFile );
		return;
	}
	fclose( outFile );
}