import os
-def create_technique_resource(material, resources, single_file):
+def create_technique_resource(material, resources):
from .datafile import Resource, Statement
tech_res = Resource(material.name+".tech", "technique")
mat_res = resources[material.name+".mat"]
st = Statement("pass", "")
- if single_file:
+ if mat_res:
st.sub.append(tech_res.create_embed_statement("material", mat_res))
- else:
- st.sub.append(tech_res.create_reference_statement("material", mat_res))
if material.render_mode=='CUSTOM':
st.sub.append(Statement("shader", material.shader))
class MaterialExporter:
def __init__(self):
- self.single_file = True
self.use_textures = True
+ self.inline_texture_data = False
def create_texture_exporter(self):
from .export_texture import TextureExporter
texture_export = TextureExporter()
- texture_export.inline_data = self.single_file
+ texture_export.inline_data = self.inline_texture_data
return texture_export
def export_technique_resources(self, material, resources):
+ from .export_texture import SamplerExporter
texture_export = self.create_texture_exporter()
+ sampler_export = SamplerExporter()
from .material import Material
material = Material(material)
if self.use_textures:
- for p in material.properties:
+ for p in material.properties.values():
if p.texture:
tex_name = p.texture.image.name+".tex2d"
if tex_name not in resources:
resources[tex_name] = texture_export.export_texture(p.texture, p.tex_usage)
+ samp_name = sampler_export.get_sampler_name(p.texture)
+ if samp_name not in resources:
+ resources[samp_name] = sampler_export.export_sampler(p.texture)
+
mat_name = material.name+".mat"
if mat_name not in resources:
- resources[mat_name] = self.export_material(material, resources=resources)
+ if material.type:
+ resources[mat_name] = self.export_material(material, resources=resources)
+ else:
+ resources[mat_name] = None
def export_technique(self, material, *, resources):
- return create_technique_resource(material, resources, self.single_file)
+ return create_technique_resource(material, resources)
def export_material(self, material, *, resources):
from .datafile import Resource, Statement
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))
+ if material.type!="pbr":
+ raise Exception("Can't export unknown material type "+material.type)
+
+ st = Statement(material.type)
+ for kw, p in material.properties.items():
+ ss = self.create_property_statement(mat_res, p, kw, resources)
+ if ss:
+ st.sub.append(ss)
+ if self.use_textures:
+ first_tex = (p.texture for p in material.properties.values() if p.texture).__next__()
+ if first_tex and not first_tex.default_filter:
+ from .export_texture import SamplerExporter
+ sampler_export = SamplerExporter()
+ st.sub.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(first_tex)]))
mat_res.statements.append(st)
return mat_res
- def create_property_statement(self, mat_res, prop, keyword, resources, *, tex_only=False):
+ def create_property_statement(self, mat_res, prop, keyword, resources):
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:
+ if prop.texture.default_filter and fn:
return Statement(keyword+"_map", fn)
else:
return mat_res.create_reference_statement(keyword+"_map", tex_res)
+ elif prop.value is None:
+ return
elif type(prop.value)==tuple:
return Statement(keyword, *prop.value)
else:
class MaterialMapExporter:
def __init__(self):
- self.single_file = True
+ pass
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 = resources.get(base_color_name)
+ if not base_color_res:
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
+ sampler_name = "nearest.samp"
+ sampler_res = resources.get(sampler_name)
+ if not sampler_res:
+ sampler_res = Resource(sampler_name, "sampler")
+
+ sampler_res.statements.append(Statement("filter", Token('NEAREST')))
+
+ resources[sampler_name] = sampler_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))
+ st.sub.append(mat_res.create_reference_statement("sampler", sampler_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)
+ return create_technique_resource(material_map, resources)