diff options
Diffstat (limited to 'io_scene_fbx/export_fbx_bin.py')
| -rw-r--r-- | io_scene_fbx/export_fbx_bin.py | 75 |
1 files changed, 70 insertions, 5 deletions
diff --git a/io_scene_fbx/export_fbx_bin.py b/io_scene_fbx/export_fbx_bin.py index 9292d656..5cba16e6 100644 --- a/io_scene_fbx/export_fbx_bin.py +++ b/io_scene_fbx/export_fbx_bin.py @@ -49,7 +49,7 @@ from .fbx_utils import ( FBX_VERSION, FBX_HEADER_VERSION, FBX_SCENEINFO_VERSION, FBX_TEMPLATES_VERSION, FBX_MODELS_VERSION, FBX_GEOMETRY_VERSION, FBX_GEOMETRY_NORMAL_VERSION, FBX_GEOMETRY_BINORMAL_VERSION, FBX_GEOMETRY_TANGENT_VERSION, - FBX_GEOMETRY_SMOOTHING_VERSION, FBX_GEOMETRY_VCOLOR_VERSION, FBX_GEOMETRY_UV_VERSION, + FBX_GEOMETRY_SMOOTHING_VERSION, FBX_GEOMETRY_CREASE_VERSION, FBX_GEOMETRY_VCOLOR_VERSION, FBX_GEOMETRY_UV_VERSION, FBX_GEOMETRY_MATERIAL_VERSION, FBX_GEOMETRY_LAYER_VERSION, FBX_GEOMETRY_SHAPE_VERSION, FBX_DEFORMER_SHAPE_VERSION, FBX_DEFORMER_SHAPECHANNEL_VERSION, FBX_POSE_BIND_VERSION, FBX_DEFORMER_SKIN_VERSION, FBX_DEFORMER_CLUSTER_VERSION, @@ -865,6 +865,30 @@ def fbx_data_mesh_elements(root, me_obj, scene_data, done_meshes): if scene_data.settings.use_custom_props: fbx_data_element_custom_properties(props, me) + # Subdivision levels. Take them from the first found subsurf modifier from the + # first object that has the mesh. Write crease information if the object has + # and subsurf modifier. + write_crease = False + if scene_data.settings.use_subsurf: + last_subsurf = None + for mod in me_obj.bdata.modifiers: + if not (mod.show_render or mod.show_viewport): + continue + if mod.type == 'SUBSURF' and mod.subdivision_type == 'CATMULL_CLARK': + last_subsurf = mod + + if last_subsurf: + elem_data_single_int32(geom, b"Smoothness", 2) # Display control mesh and smoothed + elem_data_single_int32(geom, b"BoundaryRule", 2) # Round edges like Blender + elem_data_single_int32(geom, b"PreviewDivisionLevels", last_subsurf.levels) + elem_data_single_int32(geom, b"RenderDivisionLevels", last_subsurf.render_levels) + + elem_data_single_int32(geom, b"PreserveBorders", 0) + elem_data_single_int32(geom, b"PreserveHardEdges", 0) + elem_data_single_int32(geom, b"PropagateEdgeHardness", 0) + + write_crease = mod.use_creases + elem_data_single_int32(geom, b"GeometryVersion", FBX_GEOMETRY_VERSION) # Vertex cos. @@ -980,7 +1004,21 @@ def fbx_data_mesh_elements(root, me_obj, scene_data, done_meshes): elem_data_single_int32_array(lay_smooth, b"Smoothing", t_ps) # Sight, int32 for bool... del t_ps - # TODO: Edge crease (LayerElementCrease). + # Edge crease for subdivision + if write_crease: + t_ec = array.array(data_types.ARRAY_FLOAT64, (0.0,)) * edges_nbr + for e in me.edges: + if e.key not in edges_map: + continue # Only loose edges, in theory! + t_ec[edges_map[e.key]] = e.crease + + lay_crease = elem_data_single_int32(geom, b"LayerElementEdgeCrease", 0) + elem_data_single_int32(lay_crease, b"Version", FBX_GEOMETRY_CREASE_VERSION) + elem_data_single_string(lay_crease, b"Name", b"") + elem_data_single_string(lay_crease, b"MappingInformationType", b"ByEdge") + elem_data_single_string(lay_crease, b"ReferenceInformationType", b"Direct") + elem_data_single_float64_array(lay_crease, b"EdgeCrease", t_ec) + del t_ec # And we are done with edges! del edges_map @@ -1193,6 +1231,10 @@ def fbx_data_mesh_elements(root, me_obj, scene_data, done_meshes): lay_smooth = elem_empty(layer, b"LayerElement") elem_data_single_string(lay_smooth, b"Type", b"LayerElementSmoothing") elem_data_single_int32(lay_smooth, b"TypedIndex", 0) + if write_crease: + lay_smooth = elem_empty(layer, b"LayerElement") + elem_data_single_string(lay_smooth, b"Type", b"LayerElementEdgeCrease") + elem_data_single_int32(lay_smooth, b"TypedIndex", 0) if vcolnumber: lay_vcol = elem_empty(layer, b"LayerElement") elem_data_single_string(lay_vcol, b"Type", b"LayerElementColor") @@ -2217,8 +2259,10 @@ def fbx_data_from_scene(scene, depsgraph, settings): # We cannot use default mesh in that case, or material would not be the right ones... use_org_data = not (is_ob_material or ob.type in BLENDER_OTHER_OBJECT_TYPES) backup_pose_positions = [] + tmp_mods = [] if use_org_data and ob.type == 'MESH': # No need to create a new mesh in this case, if no modifier is active! + last_subsurf = None for mod in ob.modifiers: # For meshes, when armature export is enabled, disable Armature modifiers here! # XXX Temp hacks here since currently we only have access to a viewport depsgraph... @@ -2232,10 +2276,24 @@ def fbx_data_from_scene(scene, depsgraph, settings): backup_pose_positions.append((armature, armature.pose_position)) armature.pose_position = 'REST' elif mod.show_render or mod.show_viewport: - use_org_data = False + # If exporting with subsurf collect the last Catmull-Clark subsurf modifier + # and disable it. We can use the original data as long as this is the first + # found applicable subsurf modifier. + if settings.use_subsurf and mod.type == 'SUBSURF' and mod.subdivision_type == 'CATMULL_CLARK': + if last_subsurf: + use_org_data = False + last_subsurf = mod + else: + use_org_data = False + if settings.use_subsurf and last_subsurf: + # XXX: When exporting with subsurf information temporarily disable + # the last subsurf modifier. + tmp_mods.append((last_subsurf, last_subsurf.show_render, last_subsurf.show_viewport)) + last_subsurf.show_render = False + last_subsurf.show_viewport = False if not use_org_data: # If modifiers has been altered need to update dependency graph. - if backup_pose_positions: + if backup_pose_positions or tmp_mods: depsgraph.update() ob_to_convert = ob.evaluated_get(depsgraph) if settings.use_mesh_modifiers else ob # NOTE: The dependency graph might be re-evaluating multiple times, which could @@ -2249,6 +2307,11 @@ def fbx_data_from_scene(scene, depsgraph, settings): print((armature, pose_position)) armature.pose_position = pose_position # Update now, so we don't leave modified state after last object was exported. + # Re-enable temporary disabled modifiers. + for mod, show_render, show_viewport in tmp_mods: + mod.show_render = show_render + mod.show_viewport = show_viewport + if backup_pose_positions or tmp_mods: depsgraph.update() if use_org_data: data_meshes[ob_obj] = (get_blenderID_key(ob.data), ob.data, False) @@ -2913,6 +2976,7 @@ def save_single(operator, scene, depsgraph, filepath="", use_mesh_modifiers=True, use_mesh_modifiers_render=True, mesh_smooth_type='FACE', + use_subsurf=False, use_armature_deform_only=False, bake_anim=True, bake_anim_use_all_bones=True, @@ -2994,7 +3058,7 @@ def save_single(operator, scene, depsgraph, filepath="", operator.report, (axis_up, axis_forward), global_matrix, global_scale, apply_unit_scale, unit_scale, bake_space_transform, global_matrix_inv, global_matrix_inv_transposed, context_objects, object_types, use_mesh_modifiers, use_mesh_modifiers_render, - mesh_smooth_type, use_mesh_edges, use_tspace, + mesh_smooth_type, use_subsurf, use_mesh_edges, use_tspace, armature_nodetype, use_armature_deform_only, add_leaf_bones, bone_correction_matrix, bone_correction_matrix_inv, bake_anim, bake_anim_use_all_bones, bake_anim_use_nla_strips, bake_anim_use_all_actions, @@ -3066,6 +3130,7 @@ def defaults_unity3d(): "use_mesh_modifiers_render": True, "use_mesh_edges": False, "mesh_smooth_type": 'FACE', + "use_subsurf": False, "use_tspace": False, # XXX Why? Unity is expected to support tspace import... "use_armature_deform_only": True, |