- def export_object_technique(self, obj, mesh, out_file, lod_index):
- if self.srgb_colors:
- self.colormap = linear_to_srgb
- else:
- self.colormap = lambda x: x
-
- material = None
- if obj.material_slots:
- material = obj.material_slots[0].material
-
- from .outfile import open_output
- path, name = external_name(out_file, ".tech", lod_index)
-
- if self.external_tech and obj.technique:
- if obj.inherit_tech and material and (obj.override_material or material.texture_slots):
- out_file.begin("technique")
- out_file.begin("inherit", '"{}"'.format(obj.technique))
- for slot in material.texture_slots:
- if slot and slot.texture.type=="IMAGE":
- name = image_name(slot.texture.image)
- if slot.use_map_color_diffuse:
- out_file.write("texture", '"diffuse_map"', '"{}"'.format(name))
- elif slot.use_map_normal:
- out_file.write("texture", '"normal_map"', '"{}"'.format(name))
- if obj.override_material:
- mat_name = material.name+".mat"
- mat_out = open_output(os.path.join(path, mat_name))
- self.export_material(material, mat_out)
- out_file.write("material", '""', '"{}"'.format(mat_name))
- out_file.end()
- out_file.end()
+ def export_object_resources(self, context, obj, resources, progress, material_maps=None):
+ if material_maps is None:
+ material_maps = {}
+
+ lods = self.collect_object_lods(obj)
+
+ from .mesh import create_mesh_from_object
+ from .material import create_material_map
+ mesh_export = self.create_mesh_exporter()
+ material_export = self.create_material_exporter()
+ material_map_export = self.create_material_map_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))
+
+ material_map = None
+ mapped_count = sum(m.render_mode!='EXTERNAL' and m.material_map for m in l.data.materials if m)
+ if mapped_count:
+ mmk = lambda m: m.shader if m.render_mode=='CUSTOM' else ""
+ material_map_key = mmk(l.data.materials[0])
+ key_mismatch = any(mmk(m)!=material_map_key for m in l.data.materials)
+ if mapped_count!=len(l.data.materials) or key_mismatch:
+ raise Exception("Conflicting settings in object materials")
+
+ if material_map_key in material_maps:
+ material_map = material_maps[material_map_key]
+ else:
+ material_map = create_material_map(context, l.data.materials[0])
+ material_maps[material_map_key] = material_map
+
+ tech_name = "{}.tech".format(material_map.name)
+ if tech_name not in resources:
+ material_map_export.export_technique_resources(material_map, resources)
+ resources[tech_name] = material_map_export.export_technique(material_map, resources=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)
+ 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_map=material_map)
+ 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)
+
+ lods = self.collect_object_lods(obj)
+
+ from .datafile import Resource, Statement
+ obj_res = Resource(obj.name+".object", "object")
+ statements = obj_res.statements
+
+ center, radius = self.compute_bounding_sphere(obj)
+ statements.append(Statement("bounding_sphere_hint", *center, radius))
+
+ prev_mesh = None
+ prev_tech = None
+ for i, l in enumerate(lods):
+ lod_st = []
+
+ if l.data.name!=prev_mesh:
+ mesh_res = resources[l.data.name+".mesh"]
+ lod_st.append(obj_res.create_reference_statement("mesh", mesh_res))
+
+ prev_mesh = l.data.name
+
+ material = None
+ if l.material_slots:
+ material = l.material_slots[0].material
+ if material:
+ if material.material_map:
+ tech_res = resources["material_map_{}.tech".format(os.path.splitext(material.technique)[0])]
+ else:
+ tech_res = resources[material.name+".tech"]