diff options
Diffstat (limited to 'io_scene_fbx/export_fbx_bin.py')
| -rw-r--r-- | io_scene_fbx/export_fbx_bin.py | 83 |
1 files changed, 47 insertions, 36 deletions
diff --git a/io_scene_fbx/export_fbx_bin.py b/io_scene_fbx/export_fbx_bin.py index 35c17c3d..9292d656 100644 --- a/io_scene_fbx/export_fbx_bin.py +++ b/io_scene_fbx/export_fbx_bin.py @@ -1032,42 +1032,53 @@ def fbx_data_mesh_elements(root, me_obj, scene_data, done_meshes): if scene_data.settings.use_tspace: tspacenumber = len(me.uv_layers) if tspacenumber: - t_ln = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * len(me.loops) * 3 - # t_lnw = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * len(me.loops) - uv_names = [uvlayer.name for uvlayer in me.uv_layers] - for name in uv_names: - me.calc_tangents(uvmap=name) - for idx, uvlayer in enumerate(me.uv_layers): - name = uvlayer.name - # Loop bitangents (aka binormals). - # NOTE: this is not supported by importer currently. - me.loops.foreach_get("bitangent", t_ln) - lay_nor = elem_data_single_int32(geom, b"LayerElementBinormal", idx) - elem_data_single_int32(lay_nor, b"Version", FBX_GEOMETRY_BINORMAL_VERSION) - elem_data_single_string_unicode(lay_nor, b"Name", name) - elem_data_single_string(lay_nor, b"MappingInformationType", b"ByPolygonVertex") - elem_data_single_string(lay_nor, b"ReferenceInformationType", b"Direct") - elem_data_single_float64_array(lay_nor, b"Binormals", - chain(*nors_transformed_gen(t_ln, geom_mat_no))) - # Binormal weights, no idea what it is. - # elem_data_single_float64_array(lay_nor, b"BinormalsW", t_lnw) - - # Loop tangents. - # NOTE: this is not supported by importer currently. - me.loops.foreach_get("tangent", t_ln) - lay_nor = elem_data_single_int32(geom, b"LayerElementTangent", idx) - elem_data_single_int32(lay_nor, b"Version", FBX_GEOMETRY_TANGENT_VERSION) - elem_data_single_string_unicode(lay_nor, b"Name", name) - elem_data_single_string(lay_nor, b"MappingInformationType", b"ByPolygonVertex") - elem_data_single_string(lay_nor, b"ReferenceInformationType", b"Direct") - elem_data_single_float64_array(lay_nor, b"Tangents", - chain(*nors_transformed_gen(t_ln, geom_mat_no))) - # Tangent weights, no idea what it is. - # elem_data_single_float64_array(lay_nor, b"TangentsW", t_lnw) - - del t_ln - # del t_lnw - me.free_tangents() + # We can only compute tspace on tesellated meshes, need to check that here... + t_lt = [None] * len(me.polygons) + me.polygons.foreach_get("loop_total", t_lt) + if any((lt > 4 for lt in t_lt)): + del t_lt + scene_data.settings.report( + {'WARNING'}, + "Mesh '%s' has polygons with more than 4 vertices, " + "cannot compute/export tangent space for it" % me.name) + else: + del t_lt + t_ln = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * len(me.loops) * 3 + # t_lnw = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * len(me.loops) + uv_names = [uvlayer.name for uvlayer in me.uv_layers] + for name in uv_names: + me.calc_tangents(uvmap=name) + for idx, uvlayer in enumerate(me.uv_layers): + name = uvlayer.name + # Loop bitangents (aka binormals). + # NOTE: this is not supported by importer currently. + me.loops.foreach_get("bitangent", t_ln) + lay_nor = elem_data_single_int32(geom, b"LayerElementBinormal", idx) + elem_data_single_int32(lay_nor, b"Version", FBX_GEOMETRY_BINORMAL_VERSION) + elem_data_single_string_unicode(lay_nor, b"Name", name) + elem_data_single_string(lay_nor, b"MappingInformationType", b"ByPolygonVertex") + elem_data_single_string(lay_nor, b"ReferenceInformationType", b"Direct") + elem_data_single_float64_array(lay_nor, b"Binormals", + chain(*nors_transformed_gen(t_ln, geom_mat_no))) + # Binormal weights, no idea what it is. + # elem_data_single_float64_array(lay_nor, b"BinormalsW", t_lnw) + + # Loop tangents. + # NOTE: this is not supported by importer currently. + me.loops.foreach_get("tangent", t_ln) + lay_nor = elem_data_single_int32(geom, b"LayerElementTangent", idx) + elem_data_single_int32(lay_nor, b"Version", FBX_GEOMETRY_TANGENT_VERSION) + elem_data_single_string_unicode(lay_nor, b"Name", name) + elem_data_single_string(lay_nor, b"MappingInformationType", b"ByPolygonVertex") + elem_data_single_string(lay_nor, b"ReferenceInformationType", b"Direct") + elem_data_single_float64_array(lay_nor, b"Tangents", + chain(*nors_transformed_gen(t_ln, geom_mat_no))) + # Tangent weights, no idea what it is. + # elem_data_single_float64_array(lay_nor, b"TangentsW", t_lnw) + + del t_ln + # del t_lnw + me.free_tangents() me.free_normals_split() |