forked from bartvdbraak/blender
5b345524ea
See mailing list posts for details [1][2][3] Addons still need to be fixed; Campbell said he'd do it today. See any of the py files (outside netrender) in this commit for how to do it (it's rather simple). [1] http://lists.blender.org/pipermail/bf-committers/2010-February/026328.html [2] http://lists.blender.org/pipermail/bf-committers/2010-August/028311.html [3] http://lists.blender.org/pipermail/bf-committers/2010-August/028321.html
1630 lines
59 KiB
Python
1630 lines
59 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software Foundation,
|
|
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
# ##### END GPL LICENSE BLOCK #####
|
|
|
|
# <pep8 compliant>
|
|
|
|
__author__= "Campbell Barton", "Jiri Hnidek", "Paolo Ciccone"
|
|
__url__= ['http://wiki.blender.org/index.php/Scripts/Manual/Import/wavefront_obj', 'blender.org', 'blenderartists.org']
|
|
__version__= "2.11"
|
|
|
|
__bpydoc__= """\
|
|
This script imports a Wavefront OBJ files to Blender.
|
|
|
|
Usage:
|
|
Run this script from "File->Import" menu and then load the desired OBJ file.
|
|
Note, This loads mesh objects and materials only, nurbs and curves are not supported.
|
|
"""
|
|
|
|
# ***** BEGIN GPL LICENSE BLOCK *****
|
|
#
|
|
# Script copyright (C) Campbell J Barton 2007
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software Foundation,
|
|
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
# ***** END GPL LICENCE BLOCK *****
|
|
# --------------------------------------------------------------------------
|
|
|
|
import os
|
|
import time
|
|
import bpy
|
|
import mathutils
|
|
from geometry import PolyFill
|
|
|
|
# from Blender import Mesh, Draw, Window, Texture, Material, sys
|
|
# # import BPyMesh
|
|
# import BPyImage
|
|
# import BPyMessages
|
|
|
|
# try: import os
|
|
# except: os= False
|
|
|
|
def stripExt(name): # name is a string
|
|
'''Strips the prefix off the name before writing'''
|
|
index= name.rfind('.')
|
|
if index != -1:
|
|
return name[ : index ]
|
|
else:
|
|
return name
|
|
# end path funcs
|
|
|
|
def unpack_list(list_of_tuples):
|
|
l = []
|
|
for t in list_of_tuples:
|
|
l.extend(t)
|
|
return l
|
|
|
|
# same as above except that it adds 0 for triangle faces
|
|
def unpack_face_list(list_of_tuples):
|
|
l = []
|
|
for t in list_of_tuples:
|
|
face = [i for i in t]
|
|
|
|
if len(face) != 3 and len(face) != 4:
|
|
raise RuntimeError("{0} vertices in face.".format(len(face)))
|
|
|
|
# rotate indices if the 4th is 0
|
|
if len(face) == 4 and face[3] == 0:
|
|
face = [face[3], face[0], face[1], face[2]]
|
|
|
|
if len(face) == 3:
|
|
face.append(0)
|
|
|
|
l.extend(face)
|
|
|
|
return l
|
|
|
|
def BPyMesh_ngon(from_data, indices, PREF_FIX_LOOPS= True):
|
|
'''
|
|
Takes a polyline of indices (fgon)
|
|
and returns a list of face indicie lists.
|
|
Designed to be used for importers that need indices for an fgon to create from existing verts.
|
|
|
|
from_data: either a mesh, or a list/tuple of vectors.
|
|
indices: a list of indicies to use this list is the ordered closed polyline to fill, and can be a subset of the data given.
|
|
PREF_FIX_LOOPS: If this is enabled polylines that use loops to make multiple polylines are delt with correctly.
|
|
'''
|
|
|
|
if not set: # Need sets for this, otherwise do a normal fill.
|
|
PREF_FIX_LOOPS= False
|
|
|
|
Vector= mathutils.Vector
|
|
if not indices:
|
|
return []
|
|
|
|
# return []
|
|
def rvec(co): return round(co.x, 6), round(co.y, 6), round(co.z, 6)
|
|
def mlen(co): return abs(co[0])+abs(co[1])+abs(co[2]) # manhatten length of a vector, faster then length
|
|
|
|
def vert_treplet(v, i):
|
|
return v, rvec(v), i, mlen(v)
|
|
|
|
def ed_key_mlen(v1, v2):
|
|
if v1[3] > v2[3]:
|
|
return v2[1], v1[1]
|
|
else:
|
|
return v1[1], v2[1]
|
|
|
|
|
|
if not PREF_FIX_LOOPS:
|
|
'''
|
|
Normal single concave loop filling
|
|
'''
|
|
if type(from_data) in (tuple, list):
|
|
verts= [Vector(from_data[i]) for ii, i in enumerate(indices)]
|
|
else:
|
|
verts= [from_data.verts[i].co for ii, i in enumerate(indices)]
|
|
|
|
for i in range(len(verts)-1, 0, -1): # same as reversed(xrange(1, len(verts))):
|
|
if verts[i][1]==verts[i-1][0]:
|
|
verts.pop(i-1)
|
|
|
|
fill= PolyFill([verts])
|
|
|
|
else:
|
|
'''
|
|
Seperate this loop into multiple loops be finding edges that are used twice
|
|
This is used by lightwave LWO files a lot
|
|
'''
|
|
|
|
if type(from_data) in (tuple, list):
|
|
verts= [vert_treplet(Vector(from_data[i]), ii) for ii, i in enumerate(indices)]
|
|
else:
|
|
verts= [vert_treplet(from_data.verts[i].co, ii) for ii, i in enumerate(indices)]
|
|
|
|
edges= [(i, i-1) for i in range(len(verts))]
|
|
if edges:
|
|
edges[0]= (0,len(verts)-1)
|
|
|
|
if not verts:
|
|
return []
|
|
|
|
|
|
edges_used= set()
|
|
edges_doubles= set()
|
|
# We need to check if any edges are used twice location based.
|
|
for ed in edges:
|
|
edkey= ed_key_mlen(verts[ed[0]], verts[ed[1]])
|
|
if edkey in edges_used:
|
|
edges_doubles.add(edkey)
|
|
else:
|
|
edges_used.add(edkey)
|
|
|
|
# Store a list of unconnected loop segments split by double edges.
|
|
# will join later
|
|
loop_segments= []
|
|
|
|
v_prev= verts[0]
|
|
context_loop= [v_prev]
|
|
loop_segments= [context_loop]
|
|
|
|
for v in verts:
|
|
if v!=v_prev:
|
|
# Are we crossing an edge we removed?
|
|
if ed_key_mlen(v, v_prev) in edges_doubles:
|
|
context_loop= [v]
|
|
loop_segments.append(context_loop)
|
|
else:
|
|
if context_loop and context_loop[-1][1]==v[1]:
|
|
#raise "as"
|
|
pass
|
|
else:
|
|
context_loop.append(v)
|
|
|
|
v_prev= v
|
|
# Now join loop segments
|
|
|
|
def join_seg(s1,s2):
|
|
if s2[-1][1]==s1[0][1]: #
|
|
s1,s2= s2,s1
|
|
elif s1[-1][1]==s2[0][1]:
|
|
pass
|
|
else:
|
|
return False
|
|
|
|
# If were stuill here s1 and s2 are 2 segments in the same polyline
|
|
s1.pop() # remove the last vert from s1
|
|
s1.extend(s2) # add segment 2 to segment 1
|
|
|
|
if s1[0][1]==s1[-1][1]: # remove endpoints double
|
|
s1.pop()
|
|
|
|
s2[:]= [] # Empty this segment s2 so we dont use it again.
|
|
return True
|
|
|
|
joining_segments= True
|
|
while joining_segments:
|
|
joining_segments= False
|
|
segcount= len(loop_segments)
|
|
|
|
for j in range(segcount-1, -1, -1): #reversed(range(segcount)):
|
|
seg_j= loop_segments[j]
|
|
if seg_j:
|
|
for k in range(j-1, -1, -1): # reversed(range(j)):
|
|
if not seg_j:
|
|
break
|
|
seg_k= loop_segments[k]
|
|
|
|
if seg_k and join_seg(seg_j, seg_k):
|
|
joining_segments= True
|
|
|
|
loop_list= loop_segments
|
|
|
|
for verts in loop_list:
|
|
while verts and verts[0][1]==verts[-1][1]:
|
|
verts.pop()
|
|
|
|
loop_list= [verts for verts in loop_list if len(verts)>2]
|
|
# DONE DEALING WITH LOOP FIXING
|
|
|
|
|
|
# vert mapping
|
|
vert_map= [None]*len(indices)
|
|
ii=0
|
|
for verts in loop_list:
|
|
if len(verts)>2:
|
|
for i, vert in enumerate(verts):
|
|
vert_map[i+ii]= vert[2]
|
|
ii+=len(verts)
|
|
|
|
fill= PolyFill([ [v[0] for v in loop] for loop in loop_list ])
|
|
#draw_loops(loop_list)
|
|
#raise 'done loop'
|
|
# map to original indicies
|
|
fill= [[vert_map[i] for i in reversed(f)] for f in fill]
|
|
|
|
|
|
if not fill:
|
|
print('Warning Cannot scanfill, fallback on a triangle fan.')
|
|
fill= [ [0, i-1, i] for i in range(2, len(indices)) ]
|
|
else:
|
|
# Use real scanfill.
|
|
# See if its flipped the wrong way.
|
|
flip= None
|
|
for fi in fill:
|
|
if flip != None:
|
|
break
|
|
for i, vi in enumerate(fi):
|
|
if vi==0 and fi[i-1]==1:
|
|
flip= False
|
|
break
|
|
elif vi==1 and fi[i-1]==0:
|
|
flip= True
|
|
break
|
|
|
|
if not flip:
|
|
for i, fi in enumerate(fill):
|
|
fill[i]= tuple([ii for ii in reversed(fi)])
|
|
|
|
return fill
|
|
|
|
def line_value(line_split):
|
|
'''
|
|
Returns 1 string represneting the value for this line
|
|
None will be returned if theres only 1 word
|
|
'''
|
|
length= len(line_split)
|
|
if length == 1:
|
|
return None
|
|
|
|
elif length == 2:
|
|
return line_split[1]
|
|
|
|
elif length > 2:
|
|
return ' '.join( line_split[1:] )
|
|
|
|
# limited replacement for BPyImage.comprehensiveImageLoad
|
|
def load_image(imagepath, dirname):
|
|
|
|
if os.path.exists(imagepath):
|
|
return bpy.data.images.load(imagepath)
|
|
|
|
variants = [os.path.join(dirname, imagepath), os.path.join(dirname, os.path.basename(imagepath))]
|
|
|
|
for path in variants:
|
|
if os.path.exists(path):
|
|
return bpy.data.images.load(path)
|
|
else:
|
|
print(path, "doesn't exist")
|
|
|
|
# TODO comprehensiveImageLoad also searched in bpy.config.textureDir
|
|
return None
|
|
|
|
def obj_image_load(imagepath, DIR, IMAGE_SEARCH):
|
|
|
|
if '_' in imagepath:
|
|
image= load_image(imagepath.replace('_', ' '), DIR)
|
|
if image: return image
|
|
|
|
return load_image(imagepath, DIR)
|
|
|
|
# def obj_image_load(imagepath, DIR, IMAGE_SEARCH):
|
|
# '''
|
|
# Mainly uses comprehensiveImageLoad
|
|
# but tries to replace '_' with ' ' for Max's exporter replaces spaces with underscores.
|
|
# '''
|
|
|
|
# if '_' in imagepath:
|
|
# image= BPyImage.comprehensiveImageLoad(imagepath, DIR, PLACE_HOLDER= False, RECURSIVE= IMAGE_SEARCH)
|
|
# if image: return image
|
|
# # Did the exporter rename the image?
|
|
# image= BPyImage.comprehensiveImageLoad(imagepath.replace('_', ' '), DIR, PLACE_HOLDER= False, RECURSIVE= IMAGE_SEARCH)
|
|
# if image: return image
|
|
|
|
# # Return an image, placeholder if it dosnt exist
|
|
# image= BPyImage.comprehensiveImageLoad(imagepath, DIR, PLACE_HOLDER= True, RECURSIVE= IMAGE_SEARCH)
|
|
# return image
|
|
|
|
|
|
def create_materials(filepath, material_libs, unique_materials, unique_material_images, IMAGE_SEARCH):
|
|
'''
|
|
Create all the used materials in this obj,
|
|
assign colors and images to the materials from all referenced material libs
|
|
'''
|
|
DIR= os.path.dirname(filepath)
|
|
|
|
#==================================================================================#
|
|
# This function sets textures defined in .mtl file #
|
|
#==================================================================================#
|
|
def load_material_image(blender_material, context_material_name, imagepath, type):
|
|
|
|
texture= bpy.data.textures.new(type)
|
|
texture.type= 'IMAGE'
|
|
texture = texture.recast_type() # Workaround for limitation in rna api.
|
|
# texture= bpy.data.textures.new(type)
|
|
# texture.setType('Image')
|
|
|
|
# Absolute path - c:\.. etc would work here
|
|
image= obj_image_load(imagepath, DIR, IMAGE_SEARCH)
|
|
has_data = image.has_data if image else False
|
|
|
|
if image:
|
|
texture.image = image
|
|
|
|
# Adds textures for materials (rendering)
|
|
if type == 'Kd':
|
|
if has_data and image.depth == 32:
|
|
# Image has alpha
|
|
|
|
# XXX bitmask won't work?
|
|
blender_material.add_texture(texture, "UV", ("COLOR", "ALPHA"))
|
|
texture.mipmap = True
|
|
texture.interpolation = True
|
|
texture.use_alpha = True
|
|
blender_material.z_transparency = True
|
|
blender_material.alpha = 0.0
|
|
|
|
# blender_material.setTexture(0, texture, Texture.TexCo.UV, Texture.MapTo.COL | Texture.MapTo.ALPHA)
|
|
# texture.setImageFlags('MipMap', 'InterPol', 'UseAlpha')
|
|
# blender_material.mode |= Material.Modes.ZTRANSP
|
|
# blender_material.alpha = 0.0
|
|
else:
|
|
blender_material.add_texture(texture, "UV", "COLOR")
|
|
# blender_material.setTexture(0, texture, Texture.TexCo.UV, Texture.MapTo.COL)
|
|
|
|
# adds textures to faces (Textured/Alt-Z mode)
|
|
# Only apply the diffuse texture to the face if the image has not been set with the inline usemat func.
|
|
unique_material_images[context_material_name]= image, has_data # set the texface image
|
|
|
|
elif type == 'Ka':
|
|
blender_material.add_texture(texture, "UV", "AMBIENT")
|
|
# blender_material.setTexture(1, texture, Texture.TexCo.UV, Texture.MapTo.CMIR) # TODO- Add AMB to BPY API
|
|
|
|
elif type == 'Ks':
|
|
blender_material.add_texture(texture, "UV", "SPECULARITY")
|
|
# blender_material.setTexture(2, texture, Texture.TexCo.UV, Texture.MapTo.SPEC)
|
|
|
|
elif type == 'Bump':
|
|
blender_material.add_texture(texture, "UV", "NORMAL")
|
|
# blender_material.setTexture(3, texture, Texture.TexCo.UV, Texture.MapTo.NOR)
|
|
elif type == 'D':
|
|
blender_material.add_texture(texture, "UV", "ALPHA")
|
|
blender_material.z_transparency = True
|
|
blender_material.alpha = 0.0
|
|
# blender_material.setTexture(4, texture, Texture.TexCo.UV, Texture.MapTo.ALPHA)
|
|
# blender_material.mode |= Material.Modes.ZTRANSP
|
|
# blender_material.alpha = 0.0
|
|
# Todo, unset deffuse material alpha if it has an alpha channel
|
|
|
|
elif type == 'refl':
|
|
blender_material.add_texture(texture, "UV", "REFLECTION")
|
|
# blender_material.setTexture(5, texture, Texture.TexCo.UV, Texture.MapTo.REF)
|
|
|
|
|
|
# Add an MTL with the same name as the obj if no MTLs are spesified.
|
|
temp_mtl = os.path.splitext((os.path.basename(filepath)))[0] + '.mtl'
|
|
|
|
if os.path.exists(os.path.join(DIR, temp_mtl)) and temp_mtl not in material_libs:
|
|
material_libs.append( temp_mtl )
|
|
del temp_mtl
|
|
|
|
#Create new materials
|
|
for name in unique_materials: # .keys()
|
|
if name != None:
|
|
unique_materials[name]= bpy.data.materials.new(name)
|
|
unique_material_images[name]= None, False # assign None to all material images to start with, add to later.
|
|
|
|
unique_materials[None]= None
|
|
unique_material_images[None]= None, False
|
|
|
|
for libname in material_libs:
|
|
mtlpath= os.path.join(DIR, libname)
|
|
if not os.path.exists(mtlpath):
|
|
print ("\tError Missing MTL: '%s'" % mtlpath)
|
|
else:
|
|
#print '\t\tloading mtl: "%s"' % mtlpath
|
|
context_material= None
|
|
mtl= open(mtlpath, 'rU')
|
|
for line in mtl: #.xreadlines():
|
|
if line.startswith('newmtl'):
|
|
context_material_name= line_value(line.split())
|
|
if context_material_name in unique_materials:
|
|
context_material = unique_materials[ context_material_name ]
|
|
else:
|
|
context_material = None
|
|
|
|
elif context_material:
|
|
# we need to make a material to assign properties to it.
|
|
line_split= line.split()
|
|
line_lower= line.lower().lstrip()
|
|
if line_lower.startswith('ka'):
|
|
context_material.mirror_color = (float(line_split[1]), float(line_split[2]), float(line_split[3]))
|
|
# context_material.setMirCol((float(line_split[1]), float(line_split[2]), float(line_split[3])))
|
|
elif line_lower.startswith('kd'):
|
|
context_material.diffuse_color = (float(line_split[1]), float(line_split[2]), float(line_split[3]))
|
|
# context_material.setRGBCol((float(line_split[1]), float(line_split[2]), float(line_split[3])))
|
|
elif line_lower.startswith('ks'):
|
|
context_material.specular_color = (float(line_split[1]), float(line_split[2]), float(line_split[3]))
|
|
# context_material.setSpecCol((float(line_split[1]), float(line_split[2]), float(line_split[3])))
|
|
elif line_lower.startswith('ns'):
|
|
context_material.specular_hardness = int((float(line_split[1])*0.51))
|
|
# context_material.setHardness( int((float(line_split[1])*0.51)) )
|
|
elif line_lower.startswith('ni'): # Refraction index
|
|
context_material.raytrace_transparency.ior = max(1, min(float(line_split[1]), 3))
|
|
# context_material.setIOR( max(1, min(float(line_split[1]), 3))) # Between 1 and 3
|
|
elif line_lower.startswith('d') or line_lower.startswith('tr'):
|
|
context_material.alpha = float(line_split[1])
|
|
# context_material.setAlpha(float(line_split[1]))
|
|
elif line_lower.startswith('map_ka'):
|
|
img_filepath= line_value(line.split())
|
|
if img_filepath:
|
|
load_material_image(context_material, context_material_name, img_filepath, 'Ka')
|
|
elif line_lower.startswith('map_ks'):
|
|
img_filepath= line_value(line.split())
|
|
if img_filepath:
|
|
load_material_image(context_material, context_material_name, img_filepath, 'Ks')
|
|
elif line_lower.startswith('map_kd'):
|
|
img_filepath= line_value(line.split())
|
|
if img_filepath:
|
|
load_material_image(context_material, context_material_name, img_filepath, 'Kd')
|
|
elif line_lower.startswith('map_bump'):
|
|
img_filepath= line_value(line.split())
|
|
if img_filepath:
|
|
load_material_image(context_material, context_material_name, img_filepath, 'Bump')
|
|
elif line_lower.startswith('map_d') or line_lower.startswith('map_tr'): # Alpha map - Dissolve
|
|
img_filepath= line_value(line.split())
|
|
if img_filepath:
|
|
load_material_image(context_material, context_material_name, img_filepath, 'D')
|
|
|
|
elif line_lower.startswith('refl'): # Reflectionmap
|
|
img_filepath= line_value(line.split())
|
|
if img_filepath:
|
|
load_material_image(context_material, context_material_name, img_filepath, 'refl')
|
|
mtl.close()
|
|
|
|
|
|
|
|
|
|
def split_mesh(verts_loc, faces, unique_materials, filepath, SPLIT_OB_OR_GROUP, SPLIT_MATERIALS):
|
|
'''
|
|
Takes vert_loc and faces, and separates into multiple sets of
|
|
(verts_loc, faces, unique_materials, dataname)
|
|
'''
|
|
|
|
filename = os.path.splitext((os.path.basename(filepath)))[0]
|
|
|
|
if not SPLIT_OB_OR_GROUP and not SPLIT_MATERIALS:
|
|
# use the filename for the object name since we arnt chopping up the mesh.
|
|
return [(verts_loc, faces, unique_materials, filename)]
|
|
|
|
|
|
def key_to_name(key):
|
|
# if the key is a tuple, join it to make a string
|
|
if type(key) == tuple:
|
|
return '%s_%s' % key
|
|
elif not key:
|
|
return filename # assume its a string. make sure this is true if the splitting code is changed
|
|
else:
|
|
return key
|
|
|
|
# Return a key that makes the faces unique.
|
|
if SPLIT_OB_OR_GROUP and not SPLIT_MATERIALS:
|
|
def face_key(face):
|
|
return face[4] # object
|
|
|
|
elif not SPLIT_OB_OR_GROUP and SPLIT_MATERIALS:
|
|
def face_key(face):
|
|
return face[2] # material
|
|
|
|
else: # Both
|
|
def face_key(face):
|
|
return face[4], face[2] # object,material
|
|
|
|
|
|
face_split_dict= {}
|
|
|
|
oldkey= -1 # initialize to a value that will never match the key
|
|
|
|
for face in faces:
|
|
|
|
key= face_key(face)
|
|
|
|
if oldkey != key:
|
|
# Check the key has changed.
|
|
try:
|
|
verts_split, faces_split, unique_materials_split, vert_remap= face_split_dict[key]
|
|
except KeyError:
|
|
faces_split= []
|
|
verts_split= []
|
|
unique_materials_split= {}
|
|
vert_remap= [-1]*len(verts_loc)
|
|
|
|
face_split_dict[key]= (verts_split, faces_split, unique_materials_split, vert_remap)
|
|
|
|
oldkey= key
|
|
|
|
face_vert_loc_indicies= face[0]
|
|
|
|
# Remap verts to new vert list and add where needed
|
|
for enum, i in enumerate(face_vert_loc_indicies):
|
|
if vert_remap[i] == -1:
|
|
new_index= len(verts_split)
|
|
vert_remap[i]= new_index # set the new remapped index so we only add once and can reference next time.
|
|
face_vert_loc_indicies[enum] = new_index # remap to the local index
|
|
verts_split.append( verts_loc[i] ) # add the vert to the local verts
|
|
|
|
else:
|
|
face_vert_loc_indicies[enum] = vert_remap[i] # remap to the local index
|
|
|
|
matname= face[2]
|
|
if matname and matname not in unique_materials_split:
|
|
unique_materials_split[matname] = unique_materials[matname]
|
|
|
|
faces_split.append(face)
|
|
|
|
|
|
# remove one of the itemas and reorder
|
|
return [(value[0], value[1], value[2], key_to_name(key)) for key, value in list(face_split_dict.items())]
|
|
|
|
|
|
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
|
|
'''
|
|
if not has_ngons:
|
|
CREATE_FGONS= False
|
|
|
|
if unique_smooth_groups:
|
|
sharp_edges= {}
|
|
smooth_group_users = {context_smooth_group: {} for context_smooth_group in list(unique_smooth_groups.keys())}
|
|
context_smooth_group_old= -1
|
|
|
|
# Split fgons into tri's
|
|
fgon_edges= {} # Used for storing fgon keys
|
|
if CREATE_EDGES:
|
|
edges= []
|
|
|
|
context_object= None
|
|
|
|
# reverse loop through face indicies
|
|
for f_idx in range(len(faces)-1, -1, -1):
|
|
|
|
face_vert_loc_indicies,\
|
|
face_vert_tex_indicies,\
|
|
context_material,\
|
|
context_smooth_group,\
|
|
context_object= faces[f_idx]
|
|
|
|
len_face_vert_loc_indicies = len(face_vert_loc_indicies)
|
|
|
|
if len_face_vert_loc_indicies==1:
|
|
faces.pop(f_idx)# cant add single vert faces
|
|
|
|
elif not face_vert_tex_indicies or len_face_vert_loc_indicies == 2: # faces that have no texture coords are lines
|
|
if CREATE_EDGES:
|
|
# generators are better in python 2.4+ but can't be used in 2.3
|
|
# edges.extend( (face_vert_loc_indicies[i], face_vert_loc_indicies[i+1]) for i in xrange(len_face_vert_loc_indicies-1) )
|
|
edges.extend( [(face_vert_loc_indicies[i], face_vert_loc_indicies[i+1]) for i in range(len_face_vert_loc_indicies-1)] )
|
|
|
|
faces.pop(f_idx)
|
|
else:
|
|
|
|
# Smooth Group
|
|
if unique_smooth_groups and context_smooth_group:
|
|
# Is a part of of a smooth group and is a face
|
|
if context_smooth_group_old is not context_smooth_group:
|
|
edge_dict= smooth_group_users[context_smooth_group]
|
|
context_smooth_group_old= context_smooth_group
|
|
|
|
for i in range(len_face_vert_loc_indicies):
|
|
i1= face_vert_loc_indicies[i]
|
|
i2= face_vert_loc_indicies[i-1]
|
|
if i1>i2: i1,i2= i2,i1
|
|
|
|
try:
|
|
edge_dict[i1,i2]+= 1
|
|
except KeyError:
|
|
edge_dict[i1,i2]= 1
|
|
|
|
# FGons into triangles
|
|
if has_ngons and len_face_vert_loc_indicies > 4:
|
|
|
|
ngon_face_indices= BPyMesh_ngon(verts_loc, face_vert_loc_indicies)
|
|
faces.extend(\
|
|
[(\
|
|
[face_vert_loc_indicies[ngon[0]], face_vert_loc_indicies[ngon[1]], face_vert_loc_indicies[ngon[2]] ],\
|
|
[face_vert_tex_indicies[ngon[0]], face_vert_tex_indicies[ngon[1]], face_vert_tex_indicies[ngon[2]] ],\
|
|
context_material,\
|
|
context_smooth_group,\
|
|
context_object)\
|
|
for ngon in ngon_face_indices]\
|
|
)
|
|
|
|
# edges to make fgons
|
|
if CREATE_FGONS:
|
|
edge_users= {}
|
|
for ngon in ngon_face_indices:
|
|
for i in (0,1,2):
|
|
i1= face_vert_loc_indicies[ngon[i ]]
|
|
i2= face_vert_loc_indicies[ngon[i-1]]
|
|
if i1>i2: i1,i2= i2,i1
|
|
|
|
try:
|
|
edge_users[i1,i2]+=1
|
|
except KeyError:
|
|
edge_users[i1,i2]= 1
|
|
|
|
for key, users in edge_users.items():
|
|
if users>1:
|
|
fgon_edges[key]= None
|
|
|
|
# remove all after 3, means we dont have to pop this one.
|
|
faces.pop(f_idx)
|
|
|
|
|
|
# Build sharp edges
|
|
if unique_smooth_groups:
|
|
for edge_dict in list(smooth_group_users.values()):
|
|
for key, users in list(edge_dict.items()):
|
|
if users==1: # This edge is on the boundry of a group
|
|
sharp_edges[key]= None
|
|
|
|
|
|
# map the material names to an index
|
|
material_mapping = {name: i for i, name in enumerate(unique_materials)} # enumerate over unique_materials keys()
|
|
|
|
materials= [None] * len(unique_materials)
|
|
|
|
for name, index in list(material_mapping.items()):
|
|
materials[index]= unique_materials[name]
|
|
|
|
me= bpy.data.meshes.new(dataname)
|
|
|
|
# make sure the list isnt too big
|
|
for material in materials:
|
|
me.add_material(material)
|
|
#me.verts.extend([(0,0,0)]) # dummy vert
|
|
|
|
me.add_geometry(len(verts_loc), 0, len(faces))
|
|
|
|
# verts_loc is a list of (x, y, z) tuples
|
|
me.verts.foreach_set("co", unpack_list(verts_loc))
|
|
# me.verts.extend(verts_loc)
|
|
|
|
# faces is a list of (vert_indices, texco_indices, ...) tuples
|
|
# XXX faces should contain either 3 or 4 verts
|
|
# XXX no check for valid face indices
|
|
me.faces.foreach_set("verts_raw", unpack_face_list([f[0] for f in faces]))
|
|
# face_mapping= me.faces.extend([f[0] for f in faces], indexList=True)
|
|
|
|
if verts_tex and me.faces:
|
|
me.add_uv_texture()
|
|
# me.faceUV= 1
|
|
# TEXMODE= Mesh.FaceModes['TEX']
|
|
|
|
context_material_old= -1 # avoid a dict lookup
|
|
mat= 0 # rare case it may be un-initialized.
|
|
me_faces= me.faces
|
|
# ALPHA= Mesh.FaceTranspModes.ALPHA
|
|
|
|
for i, face in enumerate(faces):
|
|
if len(face[0]) < 2:
|
|
pass #raise "bad face"
|
|
elif len(face[0])==2:
|
|
if CREATE_EDGES:
|
|
edges.append(face[0])
|
|
else:
|
|
# face_index_map= face_mapping[i]
|
|
|
|
# since we use foreach_set to add faces, all of them are added
|
|
if 1:
|
|
# if face_index_map!=None: # None means the face wasnt added
|
|
|
|
blender_face = me.faces[i]
|
|
# blender_face= me_faces[face_index_map]
|
|
|
|
face_vert_loc_indicies,\
|
|
face_vert_tex_indicies,\
|
|
context_material,\
|
|
context_smooth_group,\
|
|
context_object= face
|
|
|
|
|
|
|
|
if context_smooth_group:
|
|
blender_face.smooth= True
|
|
|
|
if context_material:
|
|
if context_material_old is not context_material:
|
|
mat= material_mapping[context_material]
|
|
context_material_old= context_material
|
|
|
|
blender_face.material_index= mat
|
|
# blender_face.mat= mat
|
|
|
|
|
|
if verts_tex:
|
|
|
|
blender_tface= me.uv_textures[0].data[i]
|
|
|
|
if context_material:
|
|
image, has_data= unique_material_images[context_material]
|
|
if image: # Can be none if the material dosnt have an image.
|
|
blender_tface.image= image
|
|
# blender_face.image= image
|
|
if has_data:
|
|
# if has_data and image.depth == 32:
|
|
blender_tface.transp = 'ALPHA'
|
|
# blender_face.transp |= ALPHA
|
|
|
|
# BUG - Evil eekadoodle problem where faces that have vert index 0 location at 3 or 4 are shuffled.
|
|
if len(face_vert_loc_indicies)==4:
|
|
if face_vert_loc_indicies[2]==0 or face_vert_loc_indicies[3]==0:
|
|
face_vert_tex_indicies= face_vert_tex_indicies[2], face_vert_tex_indicies[3], face_vert_tex_indicies[0], face_vert_tex_indicies[1]
|
|
else: # length of 3
|
|
if face_vert_loc_indicies[2]==0:
|
|
face_vert_tex_indicies= face_vert_tex_indicies[1], face_vert_tex_indicies[2], face_vert_tex_indicies[0]
|
|
# END EEEKADOODLE FIX
|
|
|
|
# assign material, uv's and image
|
|
blender_tface.uv1= verts_tex[face_vert_tex_indicies[0]]
|
|
blender_tface.uv2= verts_tex[face_vert_tex_indicies[1]]
|
|
blender_tface.uv3= verts_tex[face_vert_tex_indicies[2]]
|
|
|
|
if len(face_vert_loc_indicies)==4:
|
|
blender_tface.uv4= verts_tex[face_vert_tex_indicies[3]]
|
|
|
|
# for ii, uv in enumerate(blender_face.uv):
|
|
# uv.x, uv.y= verts_tex[face_vert_tex_indicies[ii]]
|
|
del me_faces
|
|
# del ALPHA
|
|
|
|
if CREATE_EDGES:
|
|
|
|
me.add_geometry(0, len(edges), 0)
|
|
|
|
# edges should be a list of (a, b) tuples
|
|
me.edges.foreach_set("verts", unpack_list(edges))
|
|
# me_edges.extend( edges )
|
|
|
|
# del me_edges
|
|
|
|
# Add edge faces.
|
|
# me_edges= me.edges
|
|
|
|
def edges_match(e1, e2):
|
|
return (e1[0] == e2[0] and e1[1] == e2[1]) or (e1[0] == e2[1] and e1[1] == e2[0])
|
|
|
|
# XXX slow
|
|
# if CREATE_FGONS and fgon_edges:
|
|
# for fgon_edge in fgon_edges.keys():
|
|
# for ed in me.edges:
|
|
# if edges_match(fgon_edge, ed.verts):
|
|
# ed.fgon = True
|
|
|
|
# if CREATE_FGONS and fgon_edges:
|
|
# FGON= Mesh.EdgeFlags.FGON
|
|
# for ed in me.findEdges( fgon_edges.keys() ):
|
|
# if ed!=None:
|
|
# me_edges[ed].flag |= FGON
|
|
# del FGON
|
|
|
|
# XXX slow
|
|
# if unique_smooth_groups and sharp_edges:
|
|
# for sharp_edge in sharp_edges.keys():
|
|
# for ed in me.edges:
|
|
# if edges_match(sharp_edge, ed.verts):
|
|
# ed.sharp = True
|
|
|
|
# if unique_smooth_groups and sharp_edges:
|
|
# SHARP= Mesh.EdgeFlags.SHARP
|
|
# for ed in me.findEdges( sharp_edges.keys() ):
|
|
# if ed!=None:
|
|
# me_edges[ed].flag |= SHARP
|
|
# del SHARP
|
|
|
|
me.update()
|
|
# me.calcNormals()
|
|
|
|
ob= bpy.data.objects.new("Mesh", me)
|
|
scn.objects.link(ob)
|
|
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.items():
|
|
group= ob.add_vertex_group(group_name)
|
|
# me.addVertGroup(group_name)
|
|
for vertex_index in group_indicies:
|
|
ob.add_vertex_to_group(vertex_index, group, 1.0, 'REPLACE')
|
|
# me.assignVertsToGroup(group_name, group_indicies, 1.00, Mesh.AssignModes.REPLACE)
|
|
|
|
|
|
def create_nurbs(scn, context_nurbs, vert_loc, new_objects):
|
|
'''
|
|
Add nurbs object to blender, only support one type at the moment
|
|
'''
|
|
deg = context_nurbs.get('deg', (3,))
|
|
curv_range = context_nurbs.get('curv_range')
|
|
curv_idx = context_nurbs.get('curv_idx', [])
|
|
parm_u = context_nurbs.get('parm_u', [])
|
|
parm_v = context_nurbs.get('parm_v', [])
|
|
name = context_nurbs.get('name', 'ObjNurb')
|
|
cstype = context_nurbs.get('cstype')
|
|
|
|
if cstype == None:
|
|
print('\tWarning, cstype not found')
|
|
return
|
|
if cstype != 'bspline':
|
|
print('\tWarning, cstype is not supported (only bspline)')
|
|
return
|
|
if not curv_idx:
|
|
print('\tWarning, curv argument empty or not set')
|
|
return
|
|
if len(deg) > 1 or parm_v:
|
|
print('\tWarning, surfaces not supported')
|
|
return
|
|
|
|
cu = bpy.data.curves.new(name, 'Curve')
|
|
cu.flag |= 1 # 3D curve
|
|
|
|
nu = None
|
|
for pt in curv_idx:
|
|
|
|
pt = vert_loc[pt]
|
|
pt = (pt[0], pt[1], pt[2], 1.0)
|
|
|
|
if nu == None:
|
|
nu = cu.appendNurb(pt)
|
|
else:
|
|
nu.append(pt)
|
|
|
|
nu.orderU = deg[0]+1
|
|
|
|
# get for endpoint flag from the weighting
|
|
if curv_range and len(parm_u) > deg[0]+1:
|
|
do_endpoints = True
|
|
for i in range(deg[0]+1):
|
|
|
|
if abs(parm_u[i]-curv_range[0]) > 0.0001:
|
|
do_endpoints = False
|
|
break
|
|
|
|
if abs(parm_u[-(i+1)]-curv_range[1]) > 0.0001:
|
|
do_endpoints = False
|
|
break
|
|
|
|
else:
|
|
do_endpoints = False
|
|
|
|
if do_endpoints:
|
|
nu.flagU |= 2
|
|
|
|
|
|
# close
|
|
'''
|
|
do_closed = False
|
|
if len(parm_u) > deg[0]+1:
|
|
for i in xrange(deg[0]+1):
|
|
#print curv_idx[i], curv_idx[-(i+1)]
|
|
|
|
if curv_idx[i]==curv_idx[-(i+1)]:
|
|
do_closed = True
|
|
break
|
|
|
|
if do_closed:
|
|
nu.flagU |= 1
|
|
'''
|
|
|
|
ob = scn.objects.new(cu)
|
|
new_objects.append(ob)
|
|
|
|
|
|
def strip_slash(line_split):
|
|
if line_split[-1][-1]== '\\':
|
|
if len(line_split[-1])==1:
|
|
line_split.pop() # remove the \ item
|
|
else:
|
|
line_split[-1]= line_split[-1][:-1] # remove the \ from the end last number
|
|
return True
|
|
return False
|
|
|
|
|
|
|
|
def get_float_func(filepath):
|
|
'''
|
|
find the float function for this obj file
|
|
- weather to replace commas or not
|
|
'''
|
|
file= open(filepath, 'rU')
|
|
for line in file: #.xreadlines():
|
|
line = line.lstrip()
|
|
if line.startswith('v'): # vn vt v
|
|
if ',' in line:
|
|
return lambda f: float(f.replace(',', '.'))
|
|
elif '.' in line:
|
|
return float
|
|
|
|
# incase all vert values were ints
|
|
return float
|
|
|
|
def load_obj(filepath,
|
|
context,
|
|
CLAMP_SIZE= 0.0,
|
|
CREATE_FGONS= True,
|
|
CREATE_SMOOTH_GROUPS= True,
|
|
CREATE_EDGES= True,
|
|
SPLIT_OBJECTS= True,
|
|
SPLIT_GROUPS= True,
|
|
SPLIT_MATERIALS= True,
|
|
ROTATE_X90= True,
|
|
IMAGE_SEARCH=True,
|
|
POLYGROUPS=False):
|
|
'''
|
|
Called by the user interface or another script.
|
|
load_obj(path) - should give acceptable results.
|
|
This function passes the file and sends the data off
|
|
to be split into objects and then converted into mesh objects
|
|
'''
|
|
print('\nimporting obj "%s"' % filepath)
|
|
|
|
if SPLIT_OBJECTS or SPLIT_GROUPS or SPLIT_MATERIALS:
|
|
POLYGROUPS = False
|
|
|
|
time_main= time.time()
|
|
# 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)
|
|
|
|
# Context variables
|
|
context_material= None
|
|
context_smooth_group= None
|
|
context_object= None
|
|
context_vgroup = None
|
|
|
|
# Nurbs
|
|
context_nurbs = {}
|
|
nurbs = []
|
|
context_parm = '' # used by nurbs too but could be used elsewhere
|
|
|
|
has_ngons= False
|
|
# has_smoothgroups= False - is explicit with len(unique_smooth_groups) being > 0
|
|
|
|
# Until we can use sets
|
|
unique_materials= {}
|
|
unique_material_images= {}
|
|
unique_smooth_groups= {}
|
|
# unique_obects= {} - no use for this variable since the objects are stored in the face.
|
|
|
|
# when there are faces that end with \
|
|
# it means they are multiline-
|
|
# since we use xreadline we cant skip to the next line
|
|
# so we need to know weather
|
|
context_multi_line= ''
|
|
|
|
print('\tparsing obj file "%s"...' % filepath)
|
|
time_sub= time.time()
|
|
# 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
|
|
|
|
if line.startswith('v '):
|
|
line_split= line.split()
|
|
# rotate X90: (x,-z,y)
|
|
verts_loc.append( (float_func(line_split[1]), -float_func(line_split[3]), float_func(line_split[2])) )
|
|
|
|
elif line.startswith('vn '):
|
|
pass
|
|
|
|
elif line.startswith('vt '):
|
|
line_split= line.split()
|
|
verts_tex.append( (float_func(line_split[1]), float_func(line_split[2])) )
|
|
|
|
# Handel faces lines (as faces) and the second+ lines of fa multiline face here
|
|
# use 'f' not 'f ' because some objs (very rare have 'fo ' for faces)
|
|
elif line.startswith('f') or context_multi_line == 'f':
|
|
|
|
if context_multi_line:
|
|
# use face_vert_loc_indicies and face_vert_tex_indicies previously defined and used the obj_face
|
|
line_split= line.split()
|
|
|
|
else:
|
|
line_split= line[2:].split()
|
|
face_vert_loc_indicies= []
|
|
face_vert_tex_indicies= []
|
|
|
|
# Instance a face
|
|
faces.append((\
|
|
face_vert_loc_indicies,\
|
|
face_vert_tex_indicies,\
|
|
context_material,\
|
|
context_smooth_group,\
|
|
context_object\
|
|
))
|
|
|
|
if strip_slash(line_split):
|
|
context_multi_line = 'f'
|
|
else:
|
|
context_multi_line = ''
|
|
|
|
for v in line_split:
|
|
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:
|
|
vert_loc_index= len(verts_loc) + vert_loc_index + 1
|
|
|
|
face_vert_loc_indicies.append(vert_loc_index)
|
|
|
|
if len(obj_vert)>1 and obj_vert[1]:
|
|
# formatting for faces with normals and textures us
|
|
# loc_index/tex_index/nor_index
|
|
|
|
vert_tex_index= int(obj_vert[1])-1
|
|
# Make relative negative vert indicies absolute
|
|
if vert_tex_index < 0:
|
|
vert_tex_index= len(verts_tex) + vert_tex_index + 1
|
|
|
|
face_vert_tex_indicies.append(vert_tex_index)
|
|
else:
|
|
# dummy
|
|
face_vert_tex_indicies.append(0)
|
|
|
|
if len(face_vert_loc_indicies) > 4:
|
|
has_ngons= True
|
|
|
|
elif CREATE_EDGES and (line.startswith('l ') or context_multi_line == 'l'):
|
|
# very similar to the face load function above with some parts removed
|
|
|
|
if context_multi_line:
|
|
# use face_vert_loc_indicies and face_vert_tex_indicies previously defined and used the obj_face
|
|
line_split= line.split()
|
|
|
|
else:
|
|
line_split= line[2:].split()
|
|
face_vert_loc_indicies= []
|
|
face_vert_tex_indicies= []
|
|
|
|
# Instance a face
|
|
faces.append((\
|
|
face_vert_loc_indicies,\
|
|
face_vert_tex_indicies,\
|
|
context_material,\
|
|
context_smooth_group,\
|
|
context_object\
|
|
))
|
|
|
|
if strip_slash(line_split):
|
|
context_multi_line = 'l'
|
|
else:
|
|
context_multi_line = ''
|
|
|
|
isline= line.startswith('l')
|
|
|
|
for v in line_split:
|
|
vert_loc_index= int(v)-1
|
|
|
|
# Make relative negative vert indicies absolute
|
|
if vert_loc_index < 0:
|
|
vert_loc_index= len(verts_loc) + vert_loc_index + 1
|
|
|
|
face_vert_loc_indicies.append(vert_loc_index)
|
|
|
|
elif line.startswith('s'):
|
|
if CREATE_SMOOTH_GROUPS:
|
|
context_smooth_group= line_value(line.split())
|
|
if context_smooth_group=='off':
|
|
context_smooth_group= None
|
|
elif context_smooth_group: # is not None
|
|
unique_smooth_groups[context_smooth_group]= None
|
|
|
|
elif line.startswith('o'):
|
|
if SPLIT_OBJECTS:
|
|
context_object= line_value(line.split())
|
|
# unique_obects[context_object]= None
|
|
|
|
elif line.startswith('g'):
|
|
if SPLIT_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())
|
|
unique_materials[context_material]= None
|
|
elif line.startswith('mtllib'): # usemap or usemat
|
|
material_libs.extend( line.split()[1:] ) # can have multiple mtllib filenames per line
|
|
|
|
|
|
# Nurbs support
|
|
elif line.startswith('cstype '):
|
|
context_nurbs['cstype']= line_value(line.split()) # 'rat bspline' / 'bspline'
|
|
elif line.startswith('curv ') or context_multi_line == 'curv':
|
|
line_split= line.split()
|
|
|
|
curv_idx = context_nurbs['curv_idx'] = context_nurbs.get('curv_idx', []) # incase were multiline
|
|
|
|
if not context_multi_line:
|
|
context_nurbs['curv_range'] = float_func(line_split[1]), float_func(line_split[2])
|
|
line_split[0:3] = [] # remove first 3 items
|
|
|
|
if strip_slash(line_split):
|
|
context_multi_line = 'curv'
|
|
else:
|
|
context_multi_line = ''
|
|
|
|
|
|
for i in line_split:
|
|
vert_loc_index = int(i)-1
|
|
|
|
if vert_loc_index < 0:
|
|
vert_loc_index= len(verts_loc) + vert_loc_index + 1
|
|
|
|
curv_idx.append(vert_loc_index)
|
|
|
|
elif line.startswith('parm') or context_multi_line == 'parm':
|
|
line_split= line.split()
|
|
|
|
if context_multi_line:
|
|
context_multi_line = ''
|
|
else:
|
|
context_parm = line_split[1]
|
|
line_split[0:2] = [] # remove first 2
|
|
|
|
if strip_slash(line_split):
|
|
context_multi_line = 'parm'
|
|
else:
|
|
context_multi_line = ''
|
|
|
|
if context_parm.lower() == 'u':
|
|
context_nurbs.setdefault('parm_u', []).extend( [float_func(f) for f in line_split] )
|
|
elif context_parm.lower() == 'v': # surfaces not suported yet
|
|
context_nurbs.setdefault('parm_v', []).extend( [float_func(f) for f in line_split] )
|
|
# else: # may want to support other parm's ?
|
|
|
|
elif line.startswith('deg '):
|
|
context_nurbs['deg']= [int(i) for i in line.split()[1:]]
|
|
elif line.startswith('end'):
|
|
# Add the nurbs curve
|
|
if context_object:
|
|
context_nurbs['name'] = context_object
|
|
nurbs.append(context_nurbs)
|
|
context_nurbs = {}
|
|
context_parm = ''
|
|
|
|
''' # How to use usemap? depricated?
|
|
elif line.startswith('usema'): # usemap or usemat
|
|
context_image= line_value(line.split())
|
|
'''
|
|
|
|
file.close()
|
|
time_new= time.time()
|
|
# time_new= sys.time()
|
|
print('%.4f sec' % (time_new-time_sub))
|
|
time_sub= time_new
|
|
|
|
|
|
print('\tloading materials and images...')
|
|
create_materials(filepath, material_libs, unique_materials, unique_material_images, IMAGE_SEARCH)
|
|
|
|
time_new= time.time()
|
|
# time_new= sys.time()
|
|
print('%.4f sec' % (time_new-time_sub))
|
|
time_sub= time_new
|
|
|
|
if not ROTATE_X90:
|
|
verts_loc[:] = [(v[0], v[2], -v[1]) for v in verts_loc]
|
|
|
|
# deselect all
|
|
# if context.selected_objects:
|
|
# bpy.ops.OBJECT_OT_select_all()
|
|
|
|
scene = context.scene
|
|
# scn = bpy.data.scenes.active
|
|
# scn.objects.selected = []
|
|
new_objects= [] # put new objects here
|
|
|
|
print('\tbuilding geometry...\n\tverts:%i faces:%i materials: %i smoothgroups:%i ...' % ( len(verts_loc), len(faces), len(unique_materials), len(unique_smooth_groups) ))
|
|
# Split the mesh by objects/materials, may
|
|
if SPLIT_OBJECTS or SPLIT_GROUPS: SPLIT_OB_OR_GROUP = True
|
|
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, warning 'vertex_groups' wont support splitting
|
|
create_mesh(scene, 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)
|
|
|
|
# nurbs support
|
|
# for context_nurbs in nurbs:
|
|
# create_nurbs(scn, context_nurbs, verts_loc, new_objects)
|
|
|
|
|
|
axis_min= [ 1000000000]*3
|
|
axis_max= [-1000000000]*3
|
|
|
|
# if CLAMP_SIZE:
|
|
# # Get all object bounds
|
|
# for ob in new_objects:
|
|
# for v in ob.getBoundBox():
|
|
# for axis, value in enumerate(v):
|
|
# if axis_min[axis] > value: axis_min[axis]= value
|
|
# if axis_max[axis] < value: axis_max[axis]= value
|
|
|
|
# # Scale objects
|
|
# max_axis= max(axis_max[0]-axis_min[0], axis_max[1]-axis_min[1], axis_max[2]-axis_min[2])
|
|
# scale= 1.0
|
|
|
|
# while CLAMP_SIZE < max_axis * scale:
|
|
# scale= scale/10.0
|
|
|
|
# for ob in new_objects:
|
|
# ob.setSize(scale, scale, scale)
|
|
|
|
# Better rotate the vert locations
|
|
#if not ROTATE_X90:
|
|
# for ob in new_objects:
|
|
# ob.RotX = -1.570796326794896558
|
|
|
|
time_new= time.time()
|
|
# time_new= sys.time()
|
|
|
|
print('%.4f sec' % (time_new-time_sub))
|
|
print('finished importing: "%s" in %.4f sec.' % (filepath, (time_new-time_main)))
|
|
|
|
|
|
DEBUG= True
|
|
|
|
|
|
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, POLYGROUPS, KEEP_VERT_ORDER, ROTATE_X90
|
|
|
|
CREATE_SMOOTH_GROUPS= Draw.Create(0)
|
|
CREATE_FGONS= Draw.Create(1)
|
|
CREATE_EDGES= Draw.Create(1)
|
|
SPLIT_OBJECTS= Draw.Create(0)
|
|
SPLIT_GROUPS= Draw.Create(0)
|
|
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)
|
|
ROTATE_X90= Draw.Create(1)
|
|
|
|
|
|
# Get USER Options
|
|
# Note, Works but not pretty, instead use a more complicated GUI
|
|
'''
|
|
pup_block= [\
|
|
'Import...',\
|
|
('Smooth Groups', CREATE_SMOOTH_GROUPS, 'Surround smooth groups by sharp edges'),\
|
|
('Create FGons', CREATE_FGONS, 'Import faces with more then 4 verts as fgons.'),\
|
|
('Lines', CREATE_EDGES, 'Import lines and faces with 2 verts as edges'),\
|
|
'Separate objects from obj...',\
|
|
('Object', SPLIT_OBJECTS, 'Import OBJ Objects into Blender Objects'),\
|
|
('Group', SPLIT_GROUPS, 'Import OBJ Groups into Blender Objects'),\
|
|
('Split Materials', SPLIT_MATERIALS, 'Import each material into a separate mesh'),\
|
|
'Options...',\
|
|
('Keep Vert Order', KEEP_VERT_ORDER, 'Keep vert and face order, disables some other options.'),\
|
|
('Clamp Scale:', CLAMP_SIZE, 0.0, 1000.0, 'Clamp the size to this maximum (Zero to Disable)'),\
|
|
('Image Search', IMAGE_SEARCH, 'Search subdirs for any assosiated images (Warning, may be slow)'),\
|
|
]
|
|
|
|
if not Draw.PupBlock('Import OBJ...', pup_block):
|
|
return
|
|
|
|
if KEEP_VERT_ORDER.val:
|
|
SPLIT_OBJECTS.val = False
|
|
SPLIT_GROUPS.val = False
|
|
SPLIT_MATERIALS.val = False
|
|
'''
|
|
|
|
|
|
|
|
# BEGIN ALTERNATIVE UI *******************
|
|
if True:
|
|
|
|
EVENT_NONE = 0
|
|
EVENT_EXIT = 1
|
|
EVENT_REDRAW = 2
|
|
EVENT_IMPORT = 3
|
|
|
|
GLOBALS = {}
|
|
GLOBALS['EVENT'] = EVENT_REDRAW
|
|
#GLOBALS['MOUSE'] = Window.GetMouseCoords()
|
|
GLOBALS['MOUSE'] = [i/2 for i in Window.GetScreenSize()]
|
|
|
|
def obj_ui_set_event(e,v):
|
|
GLOBALS['EVENT'] = e
|
|
|
|
def do_split(e,v):
|
|
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
|
|
|
|
def do_vertorder(e,v):
|
|
global SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, KEEP_VERT_ORDER
|
|
if KEEP_VERT_ORDER.val:
|
|
SPLIT_OBJECTS.val = SPLIT_GROUPS.val = SPLIT_MATERIALS.val = 0
|
|
else:
|
|
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...')
|
|
print('\t' + url)
|
|
|
|
try:
|
|
import webbrowser
|
|
webbrowser.open(url)
|
|
except:
|
|
print('...could not open a browser window.')
|
|
|
|
def obj_ui():
|
|
ui_x, ui_y = GLOBALS['MOUSE']
|
|
|
|
# Center based on overall pup size
|
|
ui_x -= 165
|
|
ui_y -= 90
|
|
|
|
global CREATE_SMOOTH_GROUPS, CREATE_FGONS, CREATE_EDGES, SPLIT_OBJECTS, SPLIT_GROUPS, SPLIT_MATERIALS, CLAMP_SIZE, IMAGE_SEARCH, POLYGROUPS, KEEP_VERT_ORDER, ROTATE_X90
|
|
|
|
Draw.Label('Import...', ui_x+9, ui_y+159, 220, 21)
|
|
Draw.BeginAlign()
|
|
CREATE_SMOOTH_GROUPS = Draw.Toggle('Smooth Groups', EVENT_NONE, ui_x+9, ui_y+139, 110, 20, CREATE_SMOOTH_GROUPS.val, 'Surround smooth groups by sharp edges')
|
|
CREATE_FGONS = Draw.Toggle('NGons as FGons', EVENT_NONE, ui_x+119, ui_y+139, 110, 20, CREATE_FGONS.val, 'Import faces with more then 4 verts as fgons')
|
|
CREATE_EDGES = Draw.Toggle('Lines as Edges', EVENT_NONE, ui_x+229, ui_y+139, 110, 20, CREATE_EDGES.val, 'Import lines and faces with 2 verts as edges')
|
|
Draw.EndAlign()
|
|
|
|
Draw.Label('Separate objects by OBJ...', ui_x+9, ui_y+110, 220, 20)
|
|
Draw.BeginAlign()
|
|
SPLIT_OBJECTS = Draw.Toggle('Object', EVENT_REDRAW, ui_x+9, ui_y+89, 55, 21, SPLIT_OBJECTS.val, 'Import OBJ Objects into Blender Objects', do_split)
|
|
SPLIT_GROUPS = Draw.Toggle('Group', EVENT_REDRAW, ui_x+64, ui_y+89, 55, 21, SPLIT_GROUPS.val, 'Import OBJ Groups into Blender Objects', do_split)
|
|
SPLIT_MATERIALS = Draw.Toggle('Split Materials', EVENT_REDRAW, ui_x+119, ui_y+89, 60, 21, SPLIT_MATERIALS.val, 'Import each material into a separate mesh', do_split)
|
|
Draw.EndAlign()
|
|
|
|
# Only used for user feedback
|
|
KEEP_VERT_ORDER = Draw.Toggle('Keep Vert Order', EVENT_REDRAW, ui_x+184, ui_y+89, 113, 21, KEEP_VERT_ORDER.val, 'Keep vert and face order, disables split options, enable for morph targets', do_vertorder)
|
|
|
|
ROTATE_X90 = Draw.Toggle('-X90', EVENT_REDRAW, ui_x+302, ui_y+89, 38, 21, ROTATE_X90.val, 'Rotate X 90.')
|
|
|
|
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, 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)
|
|
Draw.PushButton('Import', EVENT_IMPORT, ui_x+229, ui_y+9, 110, 21, 'Import with these settings', obj_ui_set_event)
|
|
Draw.EndAlign()
|
|
|
|
|
|
# hack so the toggle buttons redraw. this is not nice at all
|
|
while GLOBALS['EVENT'] not in (EVENT_EXIT, EVENT_IMPORT):
|
|
Draw.UIBlock(obj_ui, 0)
|
|
|
|
if GLOBALS['EVENT'] != EVENT_IMPORT:
|
|
return
|
|
|
|
# END ALTERNATIVE UI *********************
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Window.WaitCursor(1)
|
|
|
|
if BATCH_LOAD: # load the dir
|
|
try:
|
|
files= [ f for f in os.listdir(filepath) if f.lower().endswith('.obj') ]
|
|
except:
|
|
Window.WaitCursor(0)
|
|
Draw.PupMenu('Error%t|Could not open path ' + filepath)
|
|
return
|
|
|
|
if not files:
|
|
Window.WaitCursor(0)
|
|
Draw.PupMenu('Error%t|No files at path ' + filepath)
|
|
return
|
|
|
|
for f in files:
|
|
scn= bpy.data.scenes.new( stripExt(f) )
|
|
scn.makeCurrent()
|
|
|
|
load_obj(sys.join(filepath, f),\
|
|
CLAMP_SIZE.val,\
|
|
CREATE_FGONS.val,\
|
|
CREATE_SMOOTH_GROUPS.val,\
|
|
CREATE_EDGES.val,\
|
|
SPLIT_OBJECTS.val,\
|
|
SPLIT_GROUPS.val,\
|
|
SPLIT_MATERIALS.val,\
|
|
ROTATE_X90.val,\
|
|
IMAGE_SEARCH.val,\
|
|
POLYGROUPS.val
|
|
)
|
|
|
|
else: # Normal load
|
|
load_obj(filepath,\
|
|
CLAMP_SIZE.val,\
|
|
CREATE_FGONS.val,\
|
|
CREATE_SMOOTH_GROUPS.val,\
|
|
CREATE_EDGES.val,\
|
|
SPLIT_OBJECTS.val,\
|
|
SPLIT_GROUPS.val,\
|
|
SPLIT_MATERIALS.val,\
|
|
ROTATE_X90.val,\
|
|
IMAGE_SEARCH.val,\
|
|
POLYGROUPS.val
|
|
)
|
|
|
|
Window.WaitCursor(0)
|
|
|
|
|
|
def load_obj_ui_batch(file):
|
|
load_obj_ui(file, True)
|
|
|
|
DEBUG= False
|
|
|
|
# if __name__=='__main__' and not DEBUG:
|
|
# if os and Window.GetKeyQualifiers() & Window.Qual.SHIFT:
|
|
# Window.FileSelector(load_obj_ui_batch, 'Import OBJ Dir', '')
|
|
# else:
|
|
# Window.FileSelector(load_obj_ui, 'Import a Wavefront OBJ', '*.obj')
|
|
|
|
# For testing compatibility
|
|
'''
|
|
else:
|
|
# DEBUG ONLY
|
|
TIME= sys.time()
|
|
DIR = '/fe/obj'
|
|
import os
|
|
print 'Searching for files'
|
|
def fileList(path):
|
|
for dirpath, dirnames, filenames in os.walk(path):
|
|
for filename in filenames:
|
|
yield os.path.join(dirpath, filename)
|
|
|
|
files = [f for f in fileList(DIR) if f.lower().endswith('.obj')]
|
|
files.sort()
|
|
|
|
for i, obj_file in enumerate(files):
|
|
if 0 < i < 20:
|
|
print 'Importing', obj_file, '\nNUMBER', i, 'of', len(files)
|
|
newScn= bpy.data.scenes.new(os.path.basename(obj_file))
|
|
newScn.makeCurrent()
|
|
load_obj(obj_file, False, IMAGE_SEARCH=0)
|
|
|
|
print 'TOTAL TIME: %.6f' % (sys.time() - TIME)
|
|
'''
|
|
|
|
from bpy.props import *
|
|
|
|
class IMPORT_OT_obj(bpy.types.Operator):
|
|
'''Load a Wavefront OBJ File'''
|
|
bl_idname = "import_scene.obj"
|
|
bl_label = "Import OBJ"
|
|
|
|
# List of operator properties, the attributes will be assigned
|
|
# to the class instance from the operator settings before calling.
|
|
|
|
|
|
filepath = StringProperty(name="File Path", description="Filepath used for importing the OBJ file", maxlen= 1024, default= "")
|
|
|
|
CREATE_SMOOTH_GROUPS = BoolProperty(name="Smooth Groups", description="Surround smooth groups by sharp edges", default= True)
|
|
CREATE_FGONS = BoolProperty(name="NGons as FGons", description="Import faces with more then 4 verts as fgons", default= True)
|
|
CREATE_EDGES = BoolProperty(name="Lines as Edges", description="Import lines and faces with 2 verts as edge", default= True)
|
|
SPLIT_OBJECTS = BoolProperty(name="Object", description="Import OBJ Objects into Blender Objects", default= True)
|
|
SPLIT_GROUPS = BoolProperty(name="Group", description="Import OBJ Groups into Blender Objects", default= True)
|
|
SPLIT_MATERIALS = BoolProperty(name="Split Materials", description="Import each material into a separate mesh", default= False)
|
|
# old comment: only used for user feedback
|
|
# disabled this option because in old code a handler for it disabled SPLIT* params, it's not passed to load_obj
|
|
# KEEP_VERT_ORDER = BoolProperty(name="Keep Vert Order", description="Keep vert and face order, disables split options, enable for morph targets", default= True)
|
|
ROTATE_X90 = BoolProperty(name="-X90", description="Rotate X 90.", default= True)
|
|
CLAMP_SIZE = FloatProperty(name="Clamp Scale", description="Clamp the size to this maximum (Zero to Disable)", min=0.0, max=1000.0, soft_min=0.0, soft_max=1000.0, default=0.0)
|
|
POLYGROUPS = BoolProperty(name="Poly Groups", description="Import OBJ groups as vertex groups.", default= True)
|
|
IMAGE_SEARCH = BoolProperty(name="Image Search", description="Search subdirs for any assosiated images (Warning, may be slow)", default= True)
|
|
|
|
|
|
def execute(self, context):
|
|
# print("Selected: " + context.active_object.name)
|
|
|
|
load_obj(self.properties.filepath,
|
|
context,
|
|
self.properties.CLAMP_SIZE,
|
|
self.properties.CREATE_FGONS,
|
|
self.properties.CREATE_SMOOTH_GROUPS,
|
|
self.properties.CREATE_EDGES,
|
|
self.properties.SPLIT_OBJECTS,
|
|
self.properties.SPLIT_GROUPS,
|
|
self.properties.SPLIT_MATERIALS,
|
|
self.properties.ROTATE_X90,
|
|
self.properties.IMAGE_SEARCH,
|
|
self.properties.POLYGROUPS)
|
|
|
|
return {'FINISHED'}
|
|
|
|
def invoke(self, context, event):
|
|
wm = context.manager
|
|
wm.add_fileselect(self)
|
|
return {'RUNNING_MODAL'}
|
|
|
|
|
|
def menu_func(self, context):
|
|
self.layout.operator(IMPORT_OT_obj.bl_idname, text="Wavefront (.obj)")
|
|
|
|
|
|
def register():
|
|
bpy.types.INFO_MT_file_import.append(menu_func)
|
|
|
|
def unregister():
|
|
bpy.types.INFO_MT_file_import.remove(menu_func)
|
|
|
|
|
|
# NOTES (all line numbers refer to 2.4x import_obj.py, not this file)
|
|
# check later: line 489
|
|
# can convert now: edge flags, edges: lines 508-528
|
|
# ngon (uses python module BPyMesh): 384-414
|
|
# nurbs: 947-
|
|
# NEXT clamp size: get bound box with RNA
|
|
# get back to l 140 (here)
|
|
# search image in bpy.config.textureDir - load_image
|
|
# replaced BPyImage.comprehensiveImageLoad with a simplified version that only checks additional directory specified, but doesn't search dirs recursively (obj_image_load)
|
|
# bitmask won't work? - 132
|
|
# uses operator bpy.ops.OBJECT_OT_select_all() to deselect all (not necessary?)
|
|
# uses bpy.sys.time()
|
|
|
|
if __name__ == "__main__":
|
|
register()
|