X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=10be7dcba60057665792b7291ab550122901e3e7;hb=a4b9ae04a0a89bb2cf3ab4235d7376d3ff70af7b;hp=289fb8810d4beff83826d4a4905c11bdd71e3b39;hpb=f77259ba680e73daee6008f53dafe92e84a0b5f5;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 289fb881..10be7dcb 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,113 +1,143 @@ 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): + 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"] + st = Statement("pass", "") + if mat_res: + st.sub.append(tech_res.create_embed_statement("material", mat_res)) + + if material.render_mode=='CUSTOM': + shader = material.shader + if shader.endswith(".glsl"): + shader += ".shader" + st.sub.append(Statement("shader", shader)) + + if material.uniforms: + ss = Statement("uniforms") + for u in material.uniforms: + ss.sub.append(Statement("uniform", u.name, *u.values[:u.size])) + st.sub.append(ss) + + tech_res.statements.append(st) + + return tech_res 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() - mat_name = material.name+".mat" - if mat_name not in resources: - resources[mat_name] = self.export_material(material) + from .material import Material + material = Material(material) if self.use_textures: - for s in material.texture_slots: - if s and s.texture.type=='IMAGE' and s.texture.image: - tex_name = s.texture.name+".tex2d" + 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) + + 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: + if material.type: + resources[mat_name] = self.export_material(material, resources=resources) + else: + resources[mat_name] = None def export_technique(self, material, *, resources): - from .datafile import Resource, Statement - tech_res = Resource(material.name+".tech") + return create_technique_resource(material, resources) + + def export_material(self, material, *, resources): + from .datafile import Resource, Statement, Token + mat_res = Resource(material.name+".mat", "material") - mat_res = resources[material.name+".mat"] - textures = {} + if material.type!="pbr" and material.type!="unlit": + raise Exception("Can't export unknown material type "+material.type) + + mat_res.statements.append(Statement("type", Token(material.type))); + for p in material.properties: + st = self.create_property_statement(mat_res, p, resources) + if st: + mat_res.statements.append(st) if self.use_textures: - image_texture_slots = [s for s in material.texture_slots if s and s.texture.type=='IMAGE' and s.texture.image] - for s in image_texture_slots: - if s.use_map_color_diffuse: - textures["diffuse_map"] = s.texture - elif s.use_map_normal: - textures["normal_map"] = s.texture - - if material.technique: - if not obj.inherit_tech: - return [] - - if self.single_file: - raise Exception("Can't export inherited technique to a single file") - - st = Statement("inherit", material.technique) - for s, t in textures.items(): - if t.default_filter: - st.sub.append(Statement("texture", s, image_name(t.image))) - else: - st.sub.append(tech_res.create_reference_statement("texture", s, resources[t.name+".tex2d"])) - 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", "") - if self.single_file: - st.sub.append(tech_res.create_embed_statement("material", mat_res)) + textures = [p.texture for p in material.properties if p.texture] + if textures and not textures[0].default_filter: + from .export_texture import SamplerExporter + sampler_export = SamplerExporter() + mat_res.statements.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(textures[0])])) + + return mat_res + + def create_property_statement(self, mat_res, prop, resources): + from .datafile import Statement + if self.use_textures and prop.texture: + tex_res = resources[prop.texture.image.name+".tex2d"] + from .util import basename + fn = basename(prop.texture.image.filepath) + if prop.texture.default_filter and fn: + return Statement(prop.tex_keyword, fn) else: - st.sub.append(tech_res.create_reference_statement("material", mat_res)) - - if "diffuse_map" in textures: - diffuse_tex = textures["diffuse_map"] - tex_res = resources[diffuse_tex.name+".tex2d"] - ss = Statement("texunit", 0) - if self.single_file: - ss.sub.append(tech_res.create_embed_statement("texture2d", tex_res)) - elif not diffuse_tex.default_filter: - ss.sub.append(tech_res.create_reference_statement("texture2d", tex_res)) - else: - ss.sub.append(Statement("texture", image_name(diffuse_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)) + return mat_res.create_reference_statement(prop.tex_keyword, tex_res) + elif not prop.keyword: + return + elif type(prop.value)==tuple: + return Statement(prop.keyword, *prop.value) 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)) + return Statement(prop.keyword, prop.value) - return mat_res + +class MaterialAtlasExporter: + def __init__(self): + pass + + def export_technique_resources(self, material_atlas, resources): + from .datafile import Resource, Statement, Token + base_color_name = material_atlas.name+"_base_color.tex2d" + 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("storage", Token('SRGB_ALPHA'), *material_atlas.size)) + base_color_res.statements.append(Statement("raw_data", material_atlas.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_atlas.name+".mat" + if mat_name not in resources: + mat_res = Resource(mat_name, "material") + mat_res.statements.append(Statement("type", Token('pbr'))) + mat_res.statements.append(mat_res.create_reference_statement("base_color_map", base_color_res)) + mat_res.statements.append(mat_res.create_reference_statement("sampler", sampler_res)) + + resources[mat_name] = mat_res + + def export_technique(self, material_atlas, *, resources): + return create_technique_resource(material_atlas, resources)