diff options
Diffstat (limited to 'io_scene_fbx/import_fbx.py')
| -rw-r--r-- | io_scene_fbx/import_fbx.py | 152 |
1 files changed, 78 insertions, 74 deletions
diff --git a/io_scene_fbx/import_fbx.py b/io_scene_fbx/import_fbx.py index d70bc90f..ae8d717e 100644 --- a/io_scene_fbx/import_fbx.py +++ b/io_scene_fbx/import_fbx.py @@ -631,37 +631,71 @@ def blen_read_geom_layerinfo(fbx_layer): ) +def blen_read_geom_array_setattr(generator, blen_data, blen_attr, fbx_data, stride, item_size, descr, xform): + """Generic fbx_layer to blen_data setter, generator is expected to yield tuples (ble_idx, fbx_idx).""" + if xform is not None: + for blen_idx, fbx_idx in generator: + if fbx_idx == -1: + continue + setattr(blen_data[blen_idx], blen_attr, xform(fbx_data[fbx_idx:fbx_idx + item_size])) + else: + for blen_idx, fbx_idx in generator: + if fbx_idx == -1: + continue + setattr(blen_data[blen_idx], blen_attr, fbx_data[fbx_idx:fbx_idx + item_size]) + + +# generic generators. +def blen_read_geom_array_gen_direct(fbx_data, stride): + fbx_data_len = len(fbx_data) + return zip(*(range(fbx_data_len // stride), range(0, fbx_data_len, stride))) + + +def blen_read_geom_array_gen_indextodirect(fbx_layer_index, stride): + return ((bi, fi * stride) for bi, fi in enumerate(fbx_layer_index)) + + +def blen_read_geom_array_gen_direct_looptovert(mesh, fbx_data, stride): + fbx_data_len = len(fbx_data) // stride + loops = mesh.loops + for p in mesh.polygons: + for lidx in p.loop_indices: + vidx = loops[lidx].vertex_index + if vidx < fbx_data_len: + yield lidx, vidx * stride + + +# generic error printers. +def blen_read_geom_array_error_mapping(descr, fbx_layer_mapping): + print("warning layer %r mapping type unsupported: %r" % (descr, fbx_layer_mapping)) + + +def blen_read_geom_array_error_ref(descr, fbx_layer_ref): + print("warning layer %r ref type unsupported: %r" % (descr, fbx_layer_ref)) + + def blen_read_geom_array_mapped_vert( - mesh, blen_data, blend_attr, + mesh, blen_data, blen_attr, fbx_layer_data, fbx_layer_index, fbx_layer_mapping, fbx_layer_ref, stride, item_size, descr, - xform=None + xform=None, ): - # TODO, generic mapping apply function if fbx_layer_mapping == b'ByVertice': if fbx_layer_ref == b'Direct': assert(fbx_layer_index is None) - # TODO, more generic support for mapping types - if xform is None: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - fbx_layer_data[(i * stride): (i * stride) + item_size]) - else: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - xform(fbx_layer_data[(i * stride): (i * stride) + item_size])) + blen_read_geom_array_setattr(blen_read_geom_array_gen_direct(fbx_layer_data, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) return True - else: - print("warning layer %r ref type unsupported: %r" % (descr, fbx_layer_ref)) + blen_read_geom_array_error_ref(descr, fbx_layer_ref) else: - print("warning layer %r mapping type unsupported: %r" % (descr, fbx_layer_mapping)) + blen_read_geom_array_error_mapping(descr, fbx_layer_mapping) return False def blen_read_geom_array_mapped_edge( - mesh, blen_data, blend_attr, + mesh, blen_data, blen_attr, fbx_layer_data, fbx_layer_index, fbx_layer_mapping, fbx_layer_ref, stride, item_size, descr, @@ -669,99 +703,69 @@ def blen_read_geom_array_mapped_edge( ): if fbx_layer_mapping == b'ByEdge': if fbx_layer_ref == b'Direct': - if stride == 1: - if xform is None: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - fbx_layer_data[i]) - else: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - xform(fbx_layer_data[i])) - else: - if xform is None: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - fbx_layer_data[(i * stride): (i * stride) + item_size]) - else: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - xform(fbx_layer_data[(i * stride): (i * stride) + item_size])) + blen_read_geom_array_setattr(blen_read_geom_array_gen_direct(fbx_layer_data, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) return True - else: - print("warning layer %r ref type unsupported: %r" % (descr, fbx_layer_ref)) + blen_read_geom_array_error_ref(descr, fbx_layer_ref) else: - print("warning layer %r mapping type unsupported: %r" % (descr, fbx_layer_mapping)) + blen_read_geom_array_error_mapping(descr, fbx_layer_mapping) return False def blen_read_geom_array_mapped_polygon( - mesh, blen_data, blend_attr, + mesh, blen_data, blen_attr, fbx_layer_data, fbx_layer_index, fbx_layer_mapping, fbx_layer_ref, stride, item_size, descr, xform=None, ): if fbx_layer_mapping == b'ByPolygon': - if fbx_layer_ref == b'IndexToDirect': - if stride == 1: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - fbx_layer_data[i]) + if fbx_layer_ref == b'IndexToDirect' and fbx_layer_index is not None: + # XXX Looks like we often get no fbx_layer_index in this case, shall not happen but happens... + # We fallback to 'Direct' mapping in this case. + #~ assert(fbx_layer_index is not None) + if fbx_layer_index is None: + blen_read_geom_array_setattr(blen_read_geom_array_gen_direct(fbx_layer_data, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) else: - for i, blen_data_item in enumerate(blen_data): - setattr(blen_data_item, blend_attr, - fbx_layer_data[(i * stride): (i * stride) + item_size]) + blen_read_geom_array_setattr(blen_read_geom_array_gen_indextodirect(fbx_layer_index, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) return True elif fbx_layer_ref == b'Direct': - # looks like direct may have different meanings! - assert(stride == 1) - if xform is None: - for i in range(len(fbx_layer_data)): - setattr(blen_data[i], blend_attr, fbx_layer_data[i]) - else: - for i in range(len(fbx_layer_data)): - setattr(blen_data[i], blend_attr, xform(fbx_layer_data[i])) + blen_read_geom_array_setattr(blen_read_geom_array_gen_direct(fbx_layer_data, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) return True - else: - print("warning layer %r ref type unsupported: %r" % (descr, fbx_layer_ref)) + blen_read_geom_array_error_ref(descr, fbx_layer_ref) else: - print("warning layer %r mapping type unsupported: %r" % (descr, fbx_layer_mapping)) + blen_read_geom_array_error_mapping(descr, fbx_layer_mapping) return False def blen_read_geom_array_mapped_polyloop( - mesh, blen_data, blend_attr, + mesh, blen_data, blen_attr, fbx_layer_data, fbx_layer_index, fbx_layer_mapping, fbx_layer_ref, stride, item_size, descr, + xform=None, ): if fbx_layer_mapping == b'ByPolygonVertex': if fbx_layer_ref == b'IndexToDirect': assert(fbx_layer_index is not None) - for i, j in enumerate(fbx_layer_index): - if j != -1: - setattr(blen_data[i], blend_attr, - fbx_layer_data[(j * stride): (j * stride) + item_size]) + blen_read_geom_array_setattr(blen_read_geom_array_gen_indextodirect(fbx_layer_index, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) return True - else: - print("warning layer %r ref type unsupported: %r" % (descr, fbx_layer_ref)) + blen_read_geom_array_error_ref(descr, fbx_layer_ref) elif fbx_layer_mapping == b'ByVertice': if fbx_layer_ref == b'Direct': assert(fbx_layer_index is None) - loops = mesh.loops - polygons = mesh.polygons - for p in polygons: - for i in p.loop_indices: - j = loops[i].vertex_index - setattr(blen_data[i], blend_attr, - fbx_layer_data[(j * stride): (j * stride) + item_size]) - else: - print("warning layer %r ref type unsupported: %r" % (descr, fbx_layer_ref)) + blen_read_geom_array_setattr(blen_read_geom_array_gen_direct_looptovert(mesh, fbx_layer_data, stride), + blen_data, blen_attr, fbx_layer_data, stride, item_size, descr, xform) + return True + blen_read_geom_array_error_ref(descr, fbx_layer_ref) else: - print("warning layer %r mapping type unsupported: %r" % (descr, fbx_layer_mapping)) + blen_read_geom_array_error_mapping(descr, fbx_layer_mapping) return False |