+ def export_material(self, material, resources):
+ from .datafile import Resource, Statement, Token
+ mat_res = Resource(material.name+".mat", "material")
+
+ if material.type!="pbr" and material.type!="unlit" and material.type!="splat":
+ raise Exception("Can't export material {} of unknown type {}".format(material.name, material.type))
+
+ mat_res.statements.append(Statement("type", Token(material.type)));
+ for p in material.properties:
+ st = self.create_property_statement(mat_res, p, resources)
+ if st:
+ mat_res.statements.append(st)
+
+ if material.sub_materials:
+ for k, s in material.array_storage.items():
+ mat_res.statements.append(Statement(k.replace("_map", "_storage"), Token(s[0]), s[1], s[2]))
+ for s in material.sub_materials:
+ st = Statement("sub")
+ for p in s.properties:
+ ss = self.create_property_statement(mat_res, p, resources, raw_texture=True)
+ if ss:
+ st.sub.append(ss)
+ mat_res.statements.append(st)
+
+ textures = [p.texture for p in itertools.chain(material.properties, *(s.properties for s in material.sub_materials)) if p.texture]
+ if textures:
+ from .export_texture import SamplerExporter
+ sampler_export = SamplerExporter()
+ mat_res.statements.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(textures[0])]))
+ if material.alpha_cutoff>0.0:
+ mat_res.statements.append(Statement("alpha_cutoff", material.alpha_cutoff))