3 class MaterialExporter:
5 self.single_file = True
6 self.use_textures = True
8 def create_texture_exporter(self):
9 from .export_texture import TextureExporter
10 texture_export = TextureExporter()
11 texture_export.inline_data = self.single_file
14 def export_technique_resources(self, material, resources):
15 texture_export = self.create_texture_exporter()
17 mat_name = material.name+".mat"
18 if mat_name not in resources:
19 resources[mat_name] = self.export_material(material)
22 for s in material.texture_slots:
23 if s and s.texture.type=='IMAGE' and s.texture.image:
24 tex_name = s.texture.name+".tex2d"
25 if tex_name not in resources:
26 resources[tex_name] = texture_export.export_texture(s.texture)
28 def export_technique(self, material, *, resources):
29 from .datafile import Resource, Statement
30 tech_res = Resource(material.name+".tech")
32 mat_res = resources[material.name+".mat"]
35 image_texture_slots = [s for s in material.texture_slots if s and s.texture.type=='IMAGE' and s.texture.image]
36 for s in image_texture_slots:
37 if s.use_map_color_diffuse:
38 textures["diffuse_map"] = s.texture
39 elif s.use_map_normal:
40 if s.texture.use_normal_map:
41 textures["normal_map"] = s.texture
43 textures["displace_map"] = s.texture
45 if material.technique:
46 if not material.inherit_tech:
50 raise Exception("Can't export inherited technique to a single file")
52 st = Statement("inherit", material.technique)
53 for s, t in textures.items():
54 if t.default_filter and t.image.filepath:
55 st.sub.append(Statement("texture", s, os.path.basename(t.image.filepath)))
57 st.sub.append(tech_res.create_reference_statement("texture", s, resources[t.name+".tex2d"]))
58 if material.override_material:
59 st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
60 tech_res.statements.append(st)
62 st = Statement("pass", "")
64 st.sub.append(tech_res.create_embed_statement("material", mat_res))
66 st.sub.append(tech_res.create_reference_statement("material", mat_res))
68 if "diffuse_map" in textures:
69 diffuse_tex = textures["diffuse_map"]
70 tex_res = resources[diffuse_tex.name+".tex2d"]
71 ss = Statement("texunit", 0)
73 ss.sub.append(tech_res.create_embed_statement("texture2d", tex_res))
74 elif diffuse_tex.default_filter and diffuse_tex.image.filepath:
75 ss.sub.append(Statement("texture", os.path.basename(diffuse_tex.image.filepath)))
77 ss.sub.append(tech_res.create_reference_statement("texture", tex_res))
80 tech_res.statements.append(st)
84 def export_material(self, material):
85 from .datafile import Resource, Statement
86 mat_res = Resource(material.name+".mat")
87 statements = mat_res.statements
89 from .util import get_colormap
90 cm = get_colormap(material.srgb_colors)
92 if any(s.use_map_color_diffuse for s in material.texture_slots if s):
93 statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
94 amb = cm(material.ambient)
95 statements.append(Statement("ambient", amb, amb, amb, 1.0))
97 diff = material.diffuse_color*material.diffuse_intensity
98 statements.append(Statement("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0))
99 amb = diff*material.ambient
100 statements.append(Statement("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0))
101 spec = material.specular_color*material.specular_intensity
102 statements.append(Statement("specular", cm(spec.r), cm(spec.g), cm(spec.g), 1.0))
103 statements.append(Statement("shininess", material.specular_hardness))
108 class MaterialMapExporter:
110 self.single_file = True
112 def export_technique_resources(self, material_map, resources):
113 from .datafile import Resource, Statement, Token
114 diffuse_name = material_map.name+"_diffuse.tex2d"
115 if diffuse_name not in resources:
116 diffuse_res = Resource(diffuse_name)
118 fmt = 'SRGB_ALPHA' if material_map.srgb_colors else 'RGBA'
120 diffuse_res.statements.append(Statement("min_filter", Token('NEAREST')))
121 diffuse_res.statements.append(Statement("mag_filter", Token('NEAREST')))
122 diffuse_res.statements.append(Statement("storage", Token(fmt), *material_map.size))
123 diffuse_res.statements.append(Statement("raw_data", material_map.diffuse_data))
125 resources[diffuse_name] = diffuse_res
127 if "basic_white.mat" not in resources:
128 mat_res = Resource("basic_white.mat")
129 mat_res.statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
131 resources["basic_white.mat"] = mat_res
133 def export_technique(self, material_map, *, resources=None):
134 from .datafile import Resource, Statement
135 tech_res = Resource(material_map.name+".tech")
137 mat_res = resources["basic_white.mat"]
138 diffuse_res = resources[material_map.name+"_diffuse.tex2d"]
140 if material_map.technique:
142 raise Exception("Can't export inherited technique to a single file")
144 st = Statement("inherit", material_map.technique)
145 st.sub.append(tech_res.create_reference_statement("texture", "diffuse_map", diffuse_res))
146 st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
147 tech_res.statements.append(st)
149 st = Statement("pass", "")
151 st.sub.append(tech_res.create_embed_statement("material", mat_res))
153 st.sub.append(tech_res.create_reference_statement("material", mat_res))
154 ss = Statement("texunit", 0)
156 ss.sub.append(tech_res.create_embed_statement("texture2d", diffuse_res))
158 ss.sub.append(tech_res.create_reference_statement("texture", diffuse_res))
160 tech_res.statements.append(st)