class ObjectExporter:
def __init__(self):
self.show_progress = True
- self.use_strips = True
- self.use_degen_tris = False
- self.use_textures = True
- self.single_file = 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]
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("Inconsistent LOD indices")
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.single_file = self.single_file
- 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):
- obj = context.active_object
+ 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 = os.path.splitext(base)[0]
+ base, ext = os.path.splitext(base)
resources = {}
- 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:
- ext = os.path.splitext(r.name)[1]
- n = numbers.get(ext, 0)
- if n>0:
- r.name = "{}_{}{}".format(base, n, ext)
- else:
- r.name = base+ext
- numbers[ext] = n+1
+ 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, None, progress)
+
+ obj_res = self.export_object(context, obj, resources, progress)
+ 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)
- for r in refs:
- with open(os.path.join(path, r.name), "w") as out_file:
- for s in r.statements:
- s.write_to_file(out_file)
+ progress.pop_task()
- with open(out_fn, "w") as out_file:
- for s in obj_res.statements:
- s.write_to_file(out_file)
+ def export_object_resources(self, context, obj, resources, material_atlases, progress):
+ if material_atlases is None:
+ material_atlases = {}
- def export_object_resources(self, context, obj, resources, progress):
lods = self.collect_object_lods(obj)
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()
for i, l in enumerate(lods):
lod_index = l.lod_index if l.lod_for_parent else 0
progress.push_task_slice("LOD {}".format(lod_index), i, len(lods))
- mesh_name = l.data.name+".mesh"
- if mesh_name not in resources:
- mesh = create_mesh_from_object(context, l, progress)
- mesh_res = mesh_export.export_mesh(context, mesh, progress)
- resources[mesh_name] = mesh_res
+ material_atlas = None
+ atlas_flags = [m.render_mode!='EXTERNAL' and m.material_atlas for m in l.data.materials if m]
+ if any(atlas_flags):
+ mmk = lambda m: m.shader if m.render_mode=='CUSTOM' else ""
+ 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")
+
+ 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_atlases[material_atlas_key] = material_atlas
- if l.material_slots and l.material_slots[0].material:
- material = l.material_slots[0].material
- tech_name = material.name+".tech"
+ tech_name = "{}.tech".format(material_atlas.name)
if tech_name not in resources:
- material_export.export_technique_resources(material, resources)
- resources[tech_name] = material_export.export_technique(material, resources=resources)
+ material_atlas_export.export_technique_resources(material_atlas, 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)
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, 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):
+ def export_object(self, context, obj, resources, progress):
if resources is None:
resources = {}
- self.export_object_resources(context, obj, resources, progress)
+ self.export_object_resources(context, obj, resources, None, progress)
lods = self.collect_object_lods(obj)
from .datafile import Resource, Statement
- obj_res = Resource(obj.name+".object")
+ obj_res = Resource(obj.name+".object", "object")
statements = obj_res.statements
center, radius = self.compute_bounding_sphere(obj)
if l.data.name!=prev_mesh:
mesh_res = resources[l.data.name+".mesh"]
- if not self.single_file:
- lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
- else:
- lod_st.append(obj_res.create_embed_statement("mesh", mesh_res))
+ lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
prev_mesh = l.data.name
if l.material_slots:
material = l.material_slots[0].material
if material:
- tech_res = resources[material.name+".tech"]
+ if material.render_mode=='EXTERNAL':
+ tech_name = material.technique
+ elif material.material_atlas:
+ tech_name = "material_atlas_{}.tech".format(os.path.splitext(material.technique)[0])
+ else:
+ tech_name = material.name+".tech"
else:
- tech_res = resources["stub.tech"]
+ tech_name = "stub.tech"
- if tech_res.name!=prev_tech:
- if material and material.technique and not material.inherit_tech:
+ if tech_name!=prev_tech:
+ if material and material.render_mode=='EXTERNAL':
lod_st.append(Statement("technique", material.technique))
- elif not self.single_file:
- lod_st.append(obj_res.create_reference_statement("technique", tech_res))
else:
- lod_st.append(obj_res.create_embed_statement("technique", tech_res))
- prev_tech = tech_res.name
+ lod_st.append(obj_res.create_reference_statement("technique", resources[tech_name]))
+ prev_tech = tech_name
if i>0:
st = Statement("level_of_detail", i)
def export_stub_technique(self):
from .datafile import Resource, Statement
- tech_res = Resource("stub.tech")
- tech_res.statements.append(Statement("pass", ""))
+ tech_res = Resource("stub.tech", "technique")
+ pass_st = Statement("pass", "")
+ tech_res.statements.append(pass_st)
+ mat_st = Statement("material")
+ pass_st.sub.append(mat_st)
+ mat_st.sub.append(Statement("basic"))
return tech_res
projects / libs / gl.git / blobdiff