3 def create_technique_resource(material, resources, single_file):
4 from .datafile import Resource, Statement
5 tech_res = Resource(material.name+".tech")
7 mat_res = resources[material.name+".mat"]
9 st = Statement("pass", "")
11 st.sub.append(tech_res.create_embed_statement("material", mat_res))
13 st.sub.append(tech_res.create_reference_statement("material", mat_res))
15 if material.render_mode=='CUSTOM':
16 st.sub.append(Statement("shader", material.shader))
18 tech_res.statements.append(st)
22 class MaterialExporter:
24 self.single_file = True
25 self.use_textures = True
27 def create_texture_exporter(self):
28 from .export_texture import TextureExporter
29 texture_export = TextureExporter()
30 texture_export.inline_data = self.single_file
33 def export_technique_resources(self, material, resources):
34 texture_export = self.create_texture_exporter()
36 from .material import Material
37 material = Material(material)
40 for p in material.properties:
42 tex_name = p.texture.image.name+".tex2d"
43 if tex_name not in resources:
44 resources[tex_name] = texture_export.export_texture(p.texture, p.tex_usage)
46 mat_name = material.name+".mat"
47 if mat_name not in resources:
48 resources[mat_name] = self.export_material(material, resources=resources)
50 def export_technique(self, material, *, resources):
51 return create_technique_resource(material, resources, self.single_file)
53 def export_material(self, material, *, resources):
54 from .datafile import Resource, Statement
55 mat_res = Resource(material.name+".mat")
58 st.sub.append(self.create_property_statement(mat_res, material.base_color, "base_color", resources))
59 st.sub.append(self.create_property_statement(mat_res, material.metalness, "metalness", resources))
60 st.sub.append(self.create_property_statement(mat_res, material.roughness, "roughness", resources))
61 st.sub.append(self.create_property_statement(mat_res, material.normal, "normal", resources, tex_only=True))
62 st.sub.append(self.create_property_statement(mat_res, material.emission, "emission", resources))
63 mat_res.statements.append(st)
67 def create_property_statement(self, mat_res, prop, keyword, resources, *, tex_only=False):
68 from .datafile import Statement
69 if self.use_textures and prop.texture:
70 tex_res = resources[prop.texture.image.name+".tex2d"]
71 fn = os.path.basename(prop.texture.image.filepath)
73 raise Exception("Can't export textures to a single file")
74 elif prop.texture.default_filter and fn:
75 return Statement(keyword+"_map", fn)
77 return mat_res.create_reference_statement(keyword+"_map", tex_res)
78 elif type(prop.value)==tuple:
79 return Statement(keyword, *prop.value)
81 return Statement(keyword, prop.value)
84 class MaterialMapExporter:
86 self.single_file = True
88 def export_technique_resources(self, material_map, resources):
89 from .datafile import Resource, Statement, Token
90 base_color_name = material_map.name+"_base_color.tex2d"
91 if base_color_name not in resources:
92 base_color_res = Resource(base_color_name)
94 base_color_res.statements.append(Statement("min_filter", Token('NEAREST')))
95 base_color_res.statements.append(Statement("mag_filter", Token('NEAREST')))
96 base_color_res.statements.append(Statement("storage", Token('SRGB_ALPHA'), *material_map.size))
97 base_color_res.statements.append(Statement("raw_data", material_map.base_color_data))
99 resources[base_color_name] = base_color_res
101 mat_name = material_map.name+".mat"
102 if mat_name not in resources:
103 mat_res = Resource(mat_name)
104 st = Statement("pbr")
105 st.sub.append(mat_res.create_reference_statement("base_color_map", base_color_res))
106 mat_res.statements.append(st)
108 resources[mat_name] = mat_res
110 def export_technique(self, material_map, *, resources):
111 return create_technique_resource(material_map, resources, self.single_file)