diff options
Diffstat (limited to 'release/scripts/import_obj.py')
| -rw-r--r-- | release/scripts/import_obj.py | 70 |
1 files changed, 55 insertions, 15 deletions
diff --git a/release/scripts/import_obj.py b/release/scripts/import_obj.py index 493354601a6..31501173fda 100644 --- a/release/scripts/import_obj.py +++ b/release/scripts/import_obj.py @@ -7,9 +7,9 @@ Group: 'Import' Tooltip: 'Load a Wavefront OBJ File, Shift: batch import all dir.' """ -__author__= "Campbell Barton", "Jiri Hnidek" +__author__= "Campbell Barton", "Jiri Hnidek", "Paolo Ciccone" __url__= ['http://wiki.blender.org/index.php/Scripts/Manual/Import/wavefront_obj', 'blender.org', 'blenderartists.org'] -__version__= "2.1" +__version__= "2.11" __bpydoc__= """\ This script imports a Wavefront OBJ files to Blender. @@ -49,7 +49,6 @@ import BPyMessages try: import os except: os= False - # Generic path functions def stripFile(path): '''Return directory, where the file is''' @@ -320,7 +319,7 @@ def split_mesh(verts_loc, faces, unique_materials, filepath, SPLIT_OB_OR_GROUP, return [(value[0], value[1], value[2], key_to_name(key)) for key, value in face_split_dict.iteritems()] -def create_mesh(scn, new_objects, has_ngons, CREATE_FGONS, CREATE_EDGES, verts_loc, verts_tex, faces, unique_materials, unique_material_images, unique_smooth_groups, dataname): +def create_mesh(scn, new_objects, has_ngons, CREATE_FGONS, CREATE_EDGES, verts_loc, verts_tex, faces, unique_materials, unique_material_images, unique_smooth_groups, vertex_groups, dataname): ''' Takes all the data gathered and generates a mesh, adding the new object to new_objects deals with fgons, sharp edges and assigning materials @@ -530,6 +529,13 @@ def create_mesh(scn, new_objects, has_ngons, CREATE_FGONS, CREATE_EDGES, verts_l ob= scn.objects.new(me) new_objects.append(ob) + # Create the vertex groups. No need to have the flag passed here since we test for the + # content of the vertex_groups. If the user selects to NOT have vertex groups saved then + # the following test will never run + for group_name, group_indicies in vertex_groups.iteritems(): + me.addVertGroup(group_name) + me.assignVertsToGroup(group_name, group_indicies,1.00, Mesh.AssignModes.REPLACE) + def get_float_func(filepath): ''' find the float function for this obj file @@ -547,7 +553,16 @@ def get_float_func(filepath): # incase all vert values were ints return float -def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS= True, CREATE_EDGES= True, SPLIT_OBJECTS= True, SPLIT_GROUPS= True, SPLIT_MATERIALS= True, IMAGE_SEARCH=True): +def load_obj(filepath, + CLAMP_SIZE= 0.0, + CREATE_FGONS= True, + CREATE_SMOOTH_GROUPS= True, + CREATE_EDGES= True, + SPLIT_OBJECTS= True, + SPLIT_GROUPS= True, + SPLIT_MATERIALS= True, + IMAGE_SEARCH=True, + POLYGROUPS=False): ''' Called by the user interface or another script. load_obj(path) - should give acceptable results. @@ -556,13 +571,16 @@ def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS ''' print '\nimporting obj "%s"' % filepath + if SPLIT_OBJECTS or SPLIT_GROUPS or SPLIT_MATERIALS: + POLYGROUPS = False + time_main= sys.time() verts_loc= [] verts_tex= [] faces= [] # tuples of the faces material_libs= [] # filanems to material libs this uses - + vertex_groups = {} # when POLYGROUPS is true # Get the string to float conversion func for this file- is 'float' for almost all files. float_func= get_float_func(filepath) @@ -571,7 +589,8 @@ def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS context_material= None context_smooth_group= None context_object= None - + context_vgroup = None + has_ngons= False # has_smoothgroups= False - is explicit with len(unique_smooth_groups) being > 0 @@ -587,8 +606,9 @@ def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS # so we need to know weather multi_line_face= False - print '\tpassing obj file "%s"...' % filepath, + print '\tparsing obj file "%s"...' % filepath, time_sub= sys.time() + file= open(filepath, 'rU') for line in file: #.xreadlines(): line = line.lstrip() # rare cases there is white space at the start of the line @@ -641,6 +661,10 @@ def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS obj_vert= v.split('/') vert_loc_index= int(obj_vert[0])-1 + # Add the vertex to the current group + # *warning*, this wont work for files that have groups defined around verts + if POLYGROUPS and context_vgroup: + vertex_groups[context_vgroup].append(vert_loc_index) # Make relative negative vert indicies absolute if vert_loc_index < 0: @@ -684,6 +708,12 @@ def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS context_object= line_value(line.split()) # print 'context_object', context_object # unique_obects[context_object]= None + elif POLYGROUPS: + context_vgroup = line_value(line.split()) + if context_vgroup and context_vgroup != '(null)': + vertex_groups.setdefault(context_vgroup, []) + else: + context_vgroup = None # dont assign a vgroup elif line.startswith('usemtl'): context_material= line_value(line.split()) @@ -721,8 +751,8 @@ def load_obj(filepath, CLAMP_SIZE= 0.0, CREATE_FGONS= True, CREATE_SMOOTH_GROUPS else: SPLIT_OB_OR_GROUP = False for verts_loc_split, faces_split, unique_materials_split, dataname in split_mesh(verts_loc, faces, unique_materials, filepath, SPLIT_OB_OR_GROUP, SPLIT_MATERIALS): - # Create meshes from the data - create_mesh(scn, new_objects, has_ngons, CREATE_FGONS, CREATE_EDGES, verts_loc_split, verts_tex, faces_split, unique_materials_split, unique_material_images, unique_smooth_groups, dataname) + # Create meshes from the data, warning 'vertex_groups' wont support splitting + create_mesh(scn, new_objects, has_ngons, CREATE_FGONS, CREATE_EDGES, verts_loc_split, verts_tex, faces_split, unique_materials_split, unique_material_images, unique_smooth_groups, vertex_groups, dataname) axis_min= [ 1000000000]*3 axis_max= [-1000000000]*3 @@ -758,7 +788,7 @@ def load_obj_ui(filepath, BATCH_LOAD= False): if BPyMessages.Error_NoFile(filepath): return - global CREATE_SMOOTH_GROUPS, CREATE_FGONS, CREATE_EDGES, SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, CLAMP_SIZE, IMAGE_SEARCH, KEEP_VERT_ORDER + global CREATE_SMOOTH_GROUPS, CREATE_FGONS, CREATE_EDGES, SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, CLAMP_SIZE, IMAGE_SEARCH, POLYGROUPS, KEEP_VERT_ORDER CREATE_SMOOTH_GROUPS= Draw.Create(0) CREATE_FGONS= Draw.Create(1) @@ -768,6 +798,7 @@ def load_obj_ui(filepath, BATCH_LOAD= False): SPLIT_MATERIALS= Draw.Create(0) CLAMP_SIZE= Draw.Create(10.0) IMAGE_SEARCH= Draw.Create(1) + POLYGROUPS= Draw.Create(0) KEEP_VERT_ORDER= Draw.Create(1) @@ -817,9 +848,10 @@ def load_obj_ui(filepath, BATCH_LOAD= False): GLOBALS['EVENT'] = e def do_split(e,v): - global SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, KEEP_VERT_ORDER + global SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, KEEP_VERT_ORDER, POLYGROUPS if SPLIT_OBJECTS.val or SPLIT_GROUPS.val or SPLIT_MATERIALS.val: KEEP_VERT_ORDER.val = 0 + POLYGROUPS.val = 0 else: KEEP_VERT_ORDER.val = 1 @@ -831,6 +863,11 @@ def load_obj_ui(filepath, BATCH_LOAD= False): if not (SPLIT_OBJECTS.val or SPLIT_GROUPS.val or SPLIT_MATERIALS.val): KEEP_VERT_ORDER.val = 1 + def do_polygroups(e,v): + global SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, KEEP_VERT_ORDER, POLYGROUPS + if POLYGROUPS.val: + SPLIT_OBJECTS.val = SPLIT_GROUPS.val = SPLIT_MATERIALS.val = 0 + def do_help(e,v): url = __url__[0] print 'Trying to open web browser with documentation at this address...' @@ -849,7 +886,7 @@ def load_obj_ui(filepath, BATCH_LOAD= False): ui_x -= 165 ui_y -= 90 - global CREATE_SMOOTH_GROUPS, CREATE_FGONS, CREATE_EDGES, SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, CLAMP_SIZE, IMAGE_SEARCH, KEEP_VERT_ORDER + global CREATE_SMOOTH_GROUPS, CREATE_FGONS, CREATE_EDGES, SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, CLAMP_SIZE, IMAGE_SEARCH, POLYGROUPS, KEEP_VERT_ORDER Draw.Label('Import...', ui_x+9, ui_y+159, 220, 21) Draw.BeginAlign() @@ -869,8 +906,9 @@ def load_obj_ui(filepath, BATCH_LOAD= False): KEEP_VERT_ORDER = Draw.Toggle('Keep Vert Order', EVENT_REDRAW, ui_x+229, ui_y+89, 110, 21, KEEP_VERT_ORDER.val, 'Keep vert and face order, disables split options, enable for morph targets', do_vertorder) Draw.Label('Options...', ui_x+9, ui_y+60, 211, 20) - CLAMP_SIZE = Draw.Number('Clamp Scale: ', EVENT_NONE, ui_x+9, ui_y+39, 211, 21, CLAMP_SIZE.val, 0.0, 1000.0, 'Clamp the size to this maximum (Zero to Disable)') - IMAGE_SEARCH = Draw.Toggle('Image Search', EVENT_NONE, ui_x+229, ui_y+39, 110, 21, IMAGE_SEARCH.val, 'Search subdirs for any assosiated images (Warning, may be slow)') + CLAMP_SIZE = Draw.Number('Clamp Scale: ', EVENT_NONE, ui_x+9, ui_y+39, 130, 21, CLAMP_SIZE.val, 0.0, 1000.0, 'Clamp the size to this maximum (Zero to Disable)') + POLYGROUPS = Draw.Toggle('Poly Groups', EVENT_REDRAW, ui_x+144, ui_y+39, 90, 21, POLYGROUPS.val, 'Import OBJ groups as vertex groups.', do_polygroups) + IMAGE_SEARCH = Draw.Toggle('Image Search', EVENT_NONE, ui_x+239, ui_y+39, 100, 21, IMAGE_SEARCH.val, 'Search subdirs for any assosiated images (Warning, may be slow)') Draw.BeginAlign() Draw.PushButton('Online Help', EVENT_REDRAW, ui_x+9, ui_y+9, 110, 21, 'Load the wiki page for this script', do_help) Draw.PushButton('Cancel', EVENT_EXIT, ui_x+119, ui_y+9, 110, 21, '', obj_ui_set_event) @@ -921,6 +959,7 @@ def load_obj_ui(filepath, BATCH_LOAD= False): SPLIT_GROUPS.val,\ SPLIT_MATERIALS.val,\ IMAGE_SEARCH.val,\ + POLYGROUPS.val ) else: # Normal load @@ -933,6 +972,7 @@ def load_obj_ui(filepath, BATCH_LOAD= False): SPLIT_GROUPS.val,\ SPLIT_MATERIALS.val,\ IMAGE_SEARCH.val,\ + POLYGROUPS.val ) Window.WaitCursor(0) |