import mathutils
class ObjectExporter:
- def __init__(self):
- self.show_progress = True
- self.export_all = False
- self.collection = False
- self.shared_resources = True
-
def compute_bounding_sphere(self, obj):
p1 = max(((v.co, v.co.length) for v in obj.data.vertices), key=lambda x:x[1])[0]
p2 = max(((v.co, (v.co-p1).length) for v in obj.data.vertices), key=lambda x:x[1])[0]
material_atlas_export = MaterialAtlasExporter()
return material_atlas_export
- def export_to_file(self, context, out_fn):
- if self.export_all:
- objs = [o for o in context.selected_objects if o.type=="MESH"]
- else:
- objs = [context.active_object]
-
- from .util import Progress
- progress = Progress(self.show_progress and context)
-
- path, base = os.path.split(out_fn)
- base, ext = os.path.splitext(base)
-
- resources = {}
- for i, obj in enumerate(objs):
- if self.export_all:
- out_fn = os.path.join(path, obj.name+ext)
-
- progress.push_task_slice(obj.name, i, len(objs))
- self.export_object_resources(context, obj, resources, progress)
-
- obj_res = self.export_object(context, obj, progress, resources=resources)
- refs = obj_res.collect_references()
- if not self.shared_resources:
- numbers = {}
- for r in refs:
- res_ext = os.path.splitext(r.name)[1]
- n = numbers.get(res_ext, 0)
- if n>0:
- r.name = "{}_{}{}".format(base, n, res_ext)
- else:
- r.name = base+res_ext
- numbers[res_ext] = n+1
-
- if self.collection:
- obj_res.write_collection(out_fn)
- else:
- for r in refs:
- r.write_to_file(os.path.join(path, r.name))
- obj_res.write_to_file(out_fn)
-
- progress.pop_task()
-
- def export_object_resources(self, context, obj, resources, progress, material_atlases=None):
+ def export_object_resources(self, context, obj, resources, material_atlases, progress):
if material_atlases is None:
material_atlases = {}
tech_name = "{}.tech".format(material_atlas.name)
if tech_name not in resources:
material_atlas_export.export_technique_resources(material_atlas, resources)
- resources[tech_name] = material_atlas_export.export_technique(material_atlas, resources=resources)
+ resources[tech_name] = material_atlas_export.export_technique(material_atlas, resources)
elif l.material_slots and l.material_slots[0].material:
material = l.material_slots[0].material
if material.render_mode!='EXTERNAL':
tech_name = material.name+".tech"
if tech_name not in resources:
material_export.export_technique_resources(material, resources)
- resources[tech_name] = material_export.export_technique(material, resources=resources)
+ resources[tech_name] = material_export.export_technique(material, resources)
elif "stub.tech" not in resources:
resources["stub.tech"] = self.export_stub_technique()
mesh_name = l.data.name+".mesh"
if mesh_name not in resources:
- mesh = create_mesh_from_object(context, l, progress, material_atlas=material_atlas)
+ mesh = create_mesh_from_object(context, l, material_atlas, progress)
mesh_res = mesh_export.export_mesh(context, mesh, progress)
resources[mesh_name] = mesh_res
progress.pop_task()
- def export_object(self, context, obj, progress, *, resources=None):
- if resources is None:
- resources = {}
- self.export_object_resources(context, obj, resources, progress)
+ def export_object(self, obj, resources, progress):
+ if obj.type!='MESH':
+ raise ValueError("Object is not a mesh")
lods = self.collect_object_lods(obj)