import mathutils
class ObjectExporter:
- def __init__(self):
- self.show_progress = True
- self.use_strips = True
- self.use_degen_tris = False
- self.use_textures = True
- self.export_all = False
- self.collection = False
- self.shared_resources = True
- self.export_lods = 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]
def collect_object_lods(self, obj):
lods = [obj]
- if self.export_lods:
- lods += sorted([c for c in obj.children if c.lod_for_parent], key=(lambda l: l.lod_index))
- for i, l in enumerate(lods):
- if i>0 and l.lod_index!=i:
- raise Exception("Inconsistent LOD indices")
+ lods += sorted([c for c in obj.children if c.lod_for_parent], key=(lambda l: l.lod_index))
+ for i, l in enumerate(lods):
+ if i>0 and l.lod_index!=i:
+ raise Exception("Invalid configuration on object {}: Inconsistent LOD indices".format(obj.name))
return lods
- def create_mesh_exporter(self):
- from .export_mesh import MeshExporter
- mesh_export = MeshExporter()
- mesh_export.use_strips = self.use_strips
- mesh_export.use_degen_tris = self.use_degen_tris
- return mesh_export
-
- def create_material_exporter(self):
- from .export_material import MaterialExporter
- material_export = MaterialExporter()
- material_export.use_textures = self.use_textures
- return material_export
-
- def create_material_atlas_exporter(self):
- from .export_material import MaterialAtlasExporter
- 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_atlass=None):
- if material_atlass is None:
- material_atlass = {}
+ def export_object_resources(self, context, obj, resources, material_atlases, progress):
+ if material_atlases is None:
+ material_atlases = {}
lods = self.collect_object_lods(obj)
+ from .export_mesh import MeshExporter
+ from .export_material import MaterialAtlasExporter, MaterialExporter
from .mesh import create_mesh_from_object
- from .material import create_material_atlas
- mesh_export = self.create_mesh_exporter()
- material_export = self.create_material_exporter()
- material_atlas_export = self.create_material_atlas_exporter()
+ from .material import Material, create_material_atlas
+ mesh_export = MeshExporter()
+ material_export = MaterialExporter()
+ material_atlas_export = MaterialAtlasExporter()
for i, l in enumerate(lods):
lod_index = l.lod_index if l.lod_for_parent else 0
material_atlas_key = mmk(l.data.materials[0])
key_mismatch = any(mmk(m)!=material_atlas_key for m in l.data.materials)
if not all(atlas_flags) or key_mismatch:
- raise Exception("Conflicting settings in object materials")
+ raise Exception("Invalid configuration on object {}: Mixed material atlas state")
- if material_atlas_key in material_atlass:
- material_atlas = material_atlass[material_atlas_key]
+ if material_atlas_key in material_atlases:
+ material_atlas = material_atlases[material_atlas_key]
else:
material_atlas = create_material_atlas(context, l.data.materials[0])
- material_atlass[material_atlas_key] = material_atlas
+ material_atlases[material_atlas_key] = material_atlas
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 = Material(material)
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".format(obj.name))
lods = self.collect_object_lods(obj)
return obj_res
def export_stub_technique(self):
- from .datafile import Resource, Statement
+ from .datafile import Resource, Statement, Token
tech_res = Resource("stub.tech", "technique")
- pass_st = Statement("pass", "")
+ pass_st = Statement("method", "")
tech_res.statements.append(pass_st)
mat_st = Statement("material")
pass_st.sub.append(mat_st)
- mat_st.sub.append(Statement("basic"))
+ mat_st.sub.append(Statement("type", Token("basic")))
return tech_res
projects / libs / gl.git / blobdiff