import os
-def linear_to_srgb(l):
- if l<0.0031308:
- return 12.92*l
- else:
- return 1.055*(l**(1/2.4))-0.055
+def create_technique_resource(material, resources, single_file):
+ from .datafile import Resource, Statement
+ tech_res = Resource(material.name+".tech", "technique")
-def get_colormap(srgb):
- if srgb:
- return linear_to_srgb
- else:
- return lambda x: x
+ mat_res = resources[material.name+".mat"]
-def image_name(i):
- fp = i.filepath
- if fp:
- return os.path.split(fp)[1]
+ st = Statement("pass", "")
+ if single_file:
+ st.sub.append(tech_res.create_embed_statement("material", mat_res))
else:
- return i.name
+ st.sub.append(tech_res.create_reference_statement("material", mat_res))
+
+ if material.render_mode=='CUSTOM':
+ st.sub.append(Statement("shader", material.shader))
+
+ tech_res.statements.append(st)
+ return tech_res
class MaterialExporter:
def __init__(self):
- self.textures = 'REF'
+ self.single_file = True
+ self.use_textures = True
- def export_technique_resources(self, material, resources):
+ def create_texture_exporter(self):
from .export_texture import TextureExporter
texture_export = TextureExporter()
+ texture_export.inline_data = self.single_file
+ return texture_export
- mat_name = material.name+".mat"
- if mat_name not in resources:
- resources[mat_name] = self.export_material(material)
+ def export_technique_resources(self, material, resources):
+ texture_export = self.create_texture_exporter()
- if self.textures=='INLINE':
- for s in material.texture_slots:
- if s and s.texture.type=='IMAGE':
- tex_name = s.texture.name+".tex2d"
+ from .material import Material
+ material = Material(material)
+
+ if self.use_textures:
+ for p in material.properties:
+ if p.texture:
+ tex_name = p.texture.image.name+".tex2d"
if tex_name not in resources:
- resources[tex_name] = texture_export.export_texture(s.texture)
+ resources[tex_name] = texture_export.export_texture(p.texture, p.tex_usage)
+
+ mat_name = material.name+".mat"
+ if mat_name not in resources:
+ resources[mat_name] = self.export_material(material, resources=resources)
def export_technique(self, material, *, resources):
+ return create_technique_resource(material, resources, self.single_file)
+
+ def export_material(self, material, *, resources):
from .datafile import Resource, Statement
- tech_res = Resource(material.name+".tech")
-
- mat_res = resources[material.name+".mat"]
- image_texture_slots = [s for s in material.texture_slots if s and s.texture.type=='IMAGE']
-
- if material.technique:
- if not obj.inherit_tech:
- return []
-
- st = Statement("inherit", material.technique)
- for slot in image_texture_slots:
- name = image_name(slot.texture.image)
- if slot.use_map_color_diffuse:
- st.sub.append(Statement("texture", "diffuse_map", name))
- elif slot.use_map_normal:
- st.sub.append(Statement("texture", "normal_map", name))
- if material.override_material:
- st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res))
- tech_res.statements.append(st)
- else:
- st = Statement("pass", "")
- st.sub.append(tech_res.create_embed_statement("material", mat_res))
-
- if self.textures!='NONE':
- diffuse_tex = None
- for slot in image_texture_slots:
- if slot.use_map_color_diffuse:
- diffuse_tex = slot.texture
- break
-
- if diffuse_tex:
- ss = Statement("texunit", 0)
- if self.textures=='INLINE':
- tex_res = resources[slot.texture.name+".tex2d"]
- ss.sub.append(tech_res.create_embed_statement("texture2d", tex_res))
- elif tex.image:
- ss.sub.append(Statement("texture", image_name(tex.image)))
- st.sub.append(ss)
-
- tech_res.statements.append(st)
-
- return tech_res
-
- def export_material(self, material):
- from .datafile import Resource, Statement
- mat_res = Resource(material.name+".mat")
- statements = mat_res.statements
-
- cm = get_colormap(material.srgb_colors)
- if any(s.use_map_color_diffuse for s in material.texture_slots if s):
- statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0))
- amb = cm(material.ambient)
- statements.append(Statement("ambient", amb, amb, amb, 1.0))
- else:
- diff = material.diffuse_color*material.diffuse_intensity
- statements.append(Statement("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0))
- amb = diff*material.ambient
- statements.append(Statement("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0))
- spec = material.specular_color*material.specular_intensity
- statements.append(Statement("specular", cm(spec.r), cm(spec.g), cm(spec.g), 1.0))
- statements.append(Statement("shininess", material.specular_hardness))
+ mat_res = Resource(material.name+".mat", "material")
+
+ st = Statement("pbr")
+ st.sub.append(self.create_property_statement(mat_res, material.base_color, "base_color", resources))
+ st.sub.append(self.create_property_statement(mat_res, material.metalness, "metalness", resources))
+ st.sub.append(self.create_property_statement(mat_res, material.roughness, "roughness", resources))
+ st.sub.append(self.create_property_statement(mat_res, material.normal, "normal", resources, tex_only=True))
+ st.sub.append(self.create_property_statement(mat_res, material.emission, "emission", resources))
+ mat_res.statements.append(st)
return mat_res
+
+ def create_property_statement(self, mat_res, prop, keyword, resources, *, tex_only=False):
+ from .datafile import Statement
+ if self.use_textures and prop.texture:
+ tex_res = resources[prop.texture.image.name+".tex2d"]
+ fn = os.path.basename(prop.texture.image.filepath)
+ if self.single_file:
+ raise Exception("Can't export textures to a single file")
+ elif prop.texture.default_filter and fn:
+ return Statement(keyword+"_map", fn)
+ else:
+ return mat_res.create_reference_statement(keyword+"_map", tex_res)
+ elif type(prop.value)==tuple:
+ return Statement(keyword, *prop.value)
+ else:
+ return Statement(keyword, prop.value)
+
+
+class MaterialMapExporter:
+ def __init__(self):
+ self.single_file = True
+
+ def export_technique_resources(self, material_map, resources):
+ from .datafile import Resource, Statement, Token
+ base_color_name = material_map.name+"_base_color.tex2d"
+ if base_color_name not in resources:
+ base_color_res = Resource(base_color_name, "texture2d")
+
+ base_color_res.statements.append(Statement("min_filter", Token('NEAREST')))
+ base_color_res.statements.append(Statement("mag_filter", Token('NEAREST')))
+ base_color_res.statements.append(Statement("storage", Token('SRGB_ALPHA'), *material_map.size))
+ base_color_res.statements.append(Statement("raw_data", material_map.base_color_data))
+
+ resources[base_color_name] = base_color_res
+
+ mat_name = material_map.name+".mat"
+ if mat_name not in resources:
+ mat_res = Resource(mat_name, "material")
+ st = Statement("pbr")
+ st.sub.append(mat_res.create_reference_statement("base_color_map", base_color_res))
+ mat_res.statements.append(st)
+
+ resources[mat_name] = mat_res
+
+ def export_technique(self, material_map, *, resources):
+ return create_technique_resource(material_map, resources, self.single_file)
projects / libs / gl.git / blobdiff