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)
21 if False and self.use_textures:
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"]
34 if False and self.use_textures:
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 fn = os.path.basename(t.image.filepath)
55 if t.default_filter and fn:
56 st.sub.append(Statement("texture", s, fn))
58 st.sub.append(tech_res.create_reference_statement("texture", s, resources[t.name+".tex2d"]))
59 if material.override_material:
60 st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
61 tech_res.statements.append(st)
63 st = Statement("pass", "")
65 st.sub.append(tech_res.create_embed_statement("material", mat_res))
67 st.sub.append(tech_res.create_reference_statement("material", mat_res))
69 if "diffuse_map" in textures:
70 diffuse_tex = textures["diffuse_map"]
71 tex_res = resources[diffuse_tex.name+".tex2d"]
72 ss = Statement("texunit", 0)
73 fn = os.path.basename(diffuse_tex.image.filepath)
75 ss.sub.append(tech_res.create_embed_statement("texture2d", tex_res))
76 elif diffuse_tex.default_filter and fn:
77 ss.sub.append(Statement("texture", fn))
79 ss.sub.append(tech_res.create_reference_statement("texture", tex_res))
82 tech_res.statements.append(st)
86 def export_material(self, material):
87 from .datafile import Resource, Statement
88 mat_res = Resource(material.name+".mat")
89 statements = mat_res.statements
91 from .util import get_colormap
92 cm = get_colormap(material.srgb_colors)
94 if False and any(s.use_map_color_diffuse for s in material.texture_slots if s):
95 statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
96 amb = cm(material.ambient)
97 statements.append(Statement("ambient", amb, amb, amb, 1.0))
99 diff = material.diffuse_color
100 statements.append(Statement("diffuse", cm(diff[0]), cm(diff[1]), cm(diff[2]), 1.0))
101 statements.append(Statement("ambient", cm(diff[0]), cm(diff[1]), cm(diff[2]), 1.0))
102 spec = material.specular_color*material.specular_intensity
103 statements.append(Statement("specular", cm(spec.r), cm(spec.g), cm(spec.g), 1.0))
104 statements.append(Statement("shininess", min(2/material.roughness**2-2, 250)))
109 class MaterialMapExporter:
111 self.single_file = True
113 def export_technique_resources(self, material_map, resources):
114 from .datafile import Resource, Statement, Token
115 diffuse_name = material_map.name+"_diffuse.tex2d"
116 if diffuse_name not in resources:
117 diffuse_res = Resource(diffuse_name)
119 fmt = 'SRGB_ALPHA' if material_map.srgb_colors else 'RGBA'
121 diffuse_res.statements.append(Statement("min_filter", Token('NEAREST')))
122 diffuse_res.statements.append(Statement("mag_filter", Token('NEAREST')))
123 diffuse_res.statements.append(Statement("storage", Token(fmt), *material_map.size))
124 diffuse_res.statements.append(Statement("raw_data", material_map.diffuse_data))
126 resources[diffuse_name] = diffuse_res
128 if "basic_white.mat" not in resources:
129 mat_res = Resource("basic_white.mat")
130 mat_res.statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
132 resources["basic_white.mat"] = mat_res
134 def export_technique(self, material_map, *, resources=None):
135 from .datafile import Resource, Statement
136 tech_res = Resource(material_map.name+".tech")
138 mat_res = resources["basic_white.mat"]
139 diffuse_res = resources[material_map.name+"_diffuse.tex2d"]
141 if material_map.technique:
143 raise Exception("Can't export inherited technique to a single file")
145 st = Statement("inherit", material_map.technique)
146 st.sub.append(tech_res.create_reference_statement("texture", "diffuse_map", diffuse_res))
147 st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
148 tech_res.statements.append(st)
150 st = Statement("pass", "")
152 st.sub.append(tech_res.create_embed_statement("material", mat_res))
154 st.sub.append(tech_res.create_reference_statement("material", mat_res))
155 ss = Statement("texunit", 0)
157 ss.sub.append(tech_res.create_embed_statement("texture2d", diffuse_res))
159 ss.sub.append(tech_res.create_reference_statement("texture", diffuse_res))
161 tech_res.statements.append(st)