19 const unsigned char GeomVertexReader::empty_buffer[100] = { 0 };
34 if (column ==
nullptr) {
40 _pointer_end =
nullptr;
45 if (_vertex_data !=
nullptr) {
47 reader.check_array_readers();
48 return set_vertex_column(array, column, &reader);
50 if (_array_data !=
nullptr) {
51 return set_array_column(column);
61 void GeomVertexReader::
62 output(std::ostream &out)
const {
64 if (column ==
nullptr) {
65 out <<
"GeomVertexReader()";
69 <<
", column = " << column->
get_name()
70 <<
" (" << get_packer()->get_name()
78 void GeomVertexReader::
82 _pointer_begin =
nullptr;
83 _pointer_end =
nullptr;
93 bool GeomVertexReader::
96 if (column ==
nullptr) {
100 nassertr(_vertex_data !=
nullptr,
false);
105 nassertr(array >= 0 && (
size_t)array < _vertex_data->get_num_arrays(),
false);
109 _handle = data_reader->get_array_reader(_array);
110 _stride = _handle->get_array_format()->get_stride();
112 _packer = column->_packer;
113 return set_pointer(_start_row);
120 bool GeomVertexReader::
122 if (column ==
nullptr) {
126 nassertr(_array_data !=
nullptr,
false);
128 _handle = _array_data->get_handle();
129 _stride = _handle->get_array_format()->get_stride();
131 _packer = column->_packer;
132 return set_pointer(_start_row);