8 return 1.055*(l**(1/2.4))-0.055
13 return os.path.split(fp)[1]
17 def external_name(out_file, ext, index):
18 path, base = os.path.split(out_file.filename)
19 base = os.path.splitext(base)[0]
21 base += "_lod{}".format(index)
27 self.material_tex = False
28 self.srgb_colors = True
30 self.separate_mesh = False
31 self.shared_mesh = True
32 self.separate_tech = False
33 self.external_tech = True
34 self.shared_tech = True
35 self.export_lods = True
37 def export(self, context, out_file, objs=None, progress=None):
39 obj = context.active_object
44 for c in obj.children:
46 if c.lod_index>=len(lods):
47 lods += [None]*(c.lod_index+1-len(lods))
50 from .outfile import open_output
51 out_file = open_output(out_file)
53 p1 = max(((v.co, v.co.length) for v in obj.data.vertices), key=lambda x:x[1])[0]
54 p2 = max(((v.co, (v.co-p1).length) for v in obj.data.vertices), key=lambda x:x[1])[0]
56 radius = (p1-p2).length/2
57 for v in obj.data.vertices:
60 center += d*(1-radius/d.length)/2
61 radius = (radius+d.length)/2
63 out_file.write("bounding_sphere_hint", center[0], center[1], center[2], radius)
66 prev_tech = (None, None)
67 for i, l in enumerate(lods):
69 out_file.begin("level_of_detail", i)
72 same_mesh = (l.data.name==prev_mesh)
73 if i==0 or not same_mesh:
74 mesh = self.export_object_mesh(context, out_file, l, objs, progress)
75 prev_mesh = l.data.name
79 if l.material_slots and l.material_slots[0].material:
80 mat = l.material_slots[0].material.name
83 if self.external_tech and l.technique!=prev_tech[0]:
85 if i==0 or not same_tech:
86 self.export_object_technique(l, mesh, out_file, i)
87 prev_tech = (l.technique, mat)
92 def export_object_mesh(self, context, out_file, lod, objs, progress):
93 from .export_mesh import MeshExporter
94 mesh_export = MeshExporter()
95 for k, v in self.__dict__.items():
96 setattr(mesh_export, k, v)
99 if lod.lod_for_parent:
100 lod_index = lod.lod_index
102 if self.separate_mesh:
103 from .outfile import open_output
104 path, name = external_name(out_file, ".mesh", lod_index)
106 name = lod.data.name+".mesh"
107 mesh_out = open_output(os.path.join(path, name))
108 mesh = mesh_export.export(context, mesh_out, objs, progress)
109 out_file.write("mesh", '"{}"'.format(name))
111 out_file.begin("mesh")
112 mesh = mesh_export.export(context, out_file, objs, progress)
117 def export_object_technique(self, obj, mesh, out_file, lod_index):
119 self.colormap = linear_to_srgb
121 self.colormap = lambda x: x
124 if obj.material_slots:
125 material = obj.material_slots[0].material
127 from .outfile import open_output
128 path, name = external_name(out_file, ".tech", lod_index)
130 if self.external_tech and obj.technique:
131 if obj.inherit_tech and material and (obj.override_material or material.texture_slots):
132 out_file.begin("technique")
133 out_file.begin("inherit", '"{}"'.format(obj.technique))
134 for slot in material.texture_slots:
135 if slot and slot.texture.type=="IMAGE":
136 name = image_name(slot.texture.image)
137 if slot.use_map_color_diffuse:
138 out_file.write("texture", '"diffuse_map"', '"{}"'.format(name))
139 elif slot.use_map_normal:
140 out_file.write("texture", '"normal_map"', '"{}"'.format(name))
141 if obj.override_material:
142 mat_name = material.name+".mat"
143 mat_out = open_output(os.path.join(path, mat_name))
144 self.export_material(material, mat_out)
145 out_file.write("material", '""', '"{}"'.format(mat_name))
149 out_file.write("technique", '"{}"'.format(obj.technique))
150 elif self.separate_tech:
151 if self.shared_tech and material:
152 name = material.name+".tech"
153 tech_out = open_output(os.path.join(path, name))
154 self.export_technique_definition(material, mesh, tech_out)
155 out_file.write("technique", '"{}"'.format(name))
157 out_file.begin("technique")
158 self.export_technique_definition(material, mesh, out_file)
161 def export_technique_definition(self, material, mesh, out_file):
162 out_file.begin("pass", '""')
166 if self.material_tex:
167 out_file.begin("material")
168 out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
171 for u in mesh.uv_layers:
172 if u.name=="material_tex":
174 out_file.begin("texunit", index)
175 out_file.begin("texture2d")
176 out_file.write("min_filter", "NEAREST")
177 out_file.write("mag_filter", "NEAREST")
178 out_file.write("storage", "RGB", len(mesh.materials), 1)
180 for m in mesh.materials:
181 color = [int(cm(c)*255) for c in m.diffuse_color*mat.diffuse_intensity]
182 texdata += "\\x%02X\\x%02X\\x%02X"%tuple(color)
184 out_file.write("raw_data", texdata)
188 out_file.begin("material")
189 self.export_material(material, out_file)
192 if self.textures!="NONE":
193 for slot in material.texture_slots:
198 if tex.type!="IMAGE":
202 for u in mesh.uv_layers:
203 if u.name==slot.uv_layer:
206 index = mesh.uv_layers[0].unit
208 out_file.begin("texunit", index)
209 if self.textures=="INLINE":
210 out_file.begin("texture2d")
211 out_file.write("min_filter", "LINEAR")
212 out_file.write("storage", "RGBA", tex.image.size[0], tex.image.size[1])
214 for p in tex.image.pixels:
215 texdata += "\\x%02X"%int(p*255)
217 out_file.write("raw_data", texdata)
220 out_file.write("texture", '"%s"'%image_name(tex.image))
225 def export_material(self, mat, out_file):
227 if any((s and s.use_map_color_diffuse) for s in mat.texture_slots):
228 out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
229 amb = cm(mat.ambient)
230 out_file.write("ambient", amb, amb, amb, 1.0)
232 diff = mat.diffuse_color*mat.diffuse_intensity
233 out_file.write("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0)
234 amb = diff*mat.ambient
235 out_file.write("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0)
236 spec = mat.specular_color*mat.specular_intensity
237 out_file.write("specular", spec.r, spec.g, spec.b, 1.0)
238 out_file.write("shininess", mat.specular_hardness);