OBJ export nurbs curves now export again.
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3cdcff9859
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@ -184,50 +184,48 @@ def copy_images(dest_dir):
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# paths= bpy.util.copy_images(uniqueImages.values(), dest_dir)
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print('\tCopied %d images' % copyCount)
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# print('\tCopied %d images' % copyCount)
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# XXX not converted
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def test_nurbs_compat(ob):
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if ob.type != 'Curve':
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if ob.type != 'CURVE':
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return False
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for nu in ob.data:
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if (not nu.knotsV) and nu.type != 1: # not a surface and not bezier
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for nu in ob.data.splines:
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if nu.point_count_v == 1 and nu.type != 'BEZIER': # not a surface and not bezier
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return True
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return False
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# XXX not converted
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def write_nurb(file, ob, ob_mat):
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tot_verts = 0
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cu = ob.data
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# use negative indices
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Vector = Blender.mathutils.Vector
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for nu in cu:
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for nu in cu.splines:
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if nu.type == 'POLY':
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DEG_ORDER_U = 1
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else:
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DEG_ORDER_U = nu.order_u - 1 # odd but tested to be correct
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if nu.type==0: DEG_ORDER_U = 1
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else: DEG_ORDER_U = nu.orderU-1 # Tested to be correct
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if nu.type==1:
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if nu.type == 'BEZIER':
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print("\tWarning, bezier curve:", ob.name, "only poly and nurbs curves supported")
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continue
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if nu.knotsV:
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if nu.point_count_v > 1:
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print("\tWarning, surface:", ob.name, "only poly and nurbs curves supported")
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continue
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if len(nu) <= DEG_ORDER_U:
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print("\tWarning, orderU is lower then vert count, skipping:", ob.name)
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if len(nu.points) <= DEG_ORDER_U:
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print("\tWarning, order_u is lower then vert count, skipping:", ob.name)
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continue
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pt_num = 0
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do_closed = (nu.flagU & 1)
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do_endpoints = (do_closed==0) and (nu.flagU & 2)
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do_closed = nu.use_cyclic_u
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do_endpoints = (do_closed == 0) and nu.use_endpoint_u
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for pt in nu:
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pt = Vector(pt[0], pt[1], pt[2]) * ob_mat
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for pt in nu.points:
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pt = ob_mat * pt.co.copy().resize3D()
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file.write('v %.6f %.6f %.6f\n' % (pt[0], pt[1], pt[2]))
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pt_num += 1
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tot_verts += pt_num
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@ -247,7 +245,7 @@ def write_nurb(file, ob, ob_mat):
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pt_num += DEG_ORDER_U
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curve_ls = curve_ls + curve_ls[0:DEG_ORDER_U]
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file.write('curv 0.0 1.0 %s\n' % (' '.join( [str(i) for i in curve_ls] ))) # Blender has no U and V values for the curve
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file.write('curv 0.0 1.0 %s\n' % (' '.join([str(i) for i in curve_ls]))) # Blender has no U and V values for the curve
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# 'parm' keyword
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tot_parm = (DEG_ORDER_U + 1) + pt_num
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@ -390,16 +388,13 @@ def write_file(filepath, objects, scene,
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for ob, ob_mat in obs:
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# XXX postponed
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# # Nurbs curve support
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# if EXPORT_CURVE_AS_NURBS and test_nurbs_compat(ob):
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# if EXPORT_ROTX90:
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# ob_mat = ob_mat * mat_xrot90
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# totverts += write_nurb(file, ob, ob_mat)
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# continue
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# end nurbs
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# Nurbs curve support
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if EXPORT_CURVE_AS_NURBS and test_nurbs_compat(ob):
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if EXPORT_ROTX90:
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ob_mat = ob_mat * mat_xrot90
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totverts += write_nurb(file, ob, ob_mat)
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continue
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# END NURBS
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if ob.type != 'MESH':
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continue
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@ -881,15 +876,15 @@ class ExportOBJ(bpy.types.Operator):
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use_rotate90 = BoolProperty(name="Rotate X90", description="", default= True)
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# extra data group
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use_edges = BoolProperty(name="Edges", description="", default= True)
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use_normals = BoolProperty(name="Normals", description="", default= False)
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use_hq_normals = BoolProperty(name="High Quality Normals", description="", default= True)
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use_edges = BoolProperty(name="Edges", description="", default=True)
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use_normals = BoolProperty(name="Normals", description="", default=False)
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use_hq_normals = BoolProperty(name="High Quality Normals", description="", default=True)
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use_uvs = BoolProperty(name="UVs", description="", default= True)
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use_materials = BoolProperty(name="Materials", description="", default= True)
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copy_images = BoolProperty(name="Copy Images", description="", default= False)
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use_triangles = BoolProperty(name="Triangulate", description="", default= False)
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use_vertex_groups = BoolProperty(name="Polygroups", description="", default= False)
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use_nurbs = BoolProperty(name="Nurbs", description="", default= False)
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use_materials = BoolProperty(name="Materials", description="", default=True)
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copy_images = BoolProperty(name="Copy Images", description="", default=False)
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use_triangles = BoolProperty(name="Triangulate", description="", default=False)
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use_vertex_groups = BoolProperty(name="Polygroups", description="", default=False)
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use_nurbs = BoolProperty(name="Nurbs", description="", default=False)
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# grouping group
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use_blen_objects = BoolProperty(name="Objects as OBJ Objects", description="", default= True)
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