X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=6abd78c2d05b8157a429405c02e8ad208a772448;hb=f241ccca7d0d3f3073a948377bd557a70aa8f1d2;hp=3e5210c1ba79df2043e967096d5bc3426042db4a;hpb=ea3e95735fcd9d6a80d23dbd90667eb2f1c95ef4;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 3e5210c1..6abd78c2 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,106 +1,141 @@ 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 get_colormap(srgb): - if srgb: - return linear_to_srgb - else: - return lambda x: x - -def image_name(i): - fp = i.filepath - if fp: - return os.path.split(fp)[1] - else: - return i.name +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 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.textures = 'REF' + self.inline_texture_data = False - 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.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) + + 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(p.texture, p.tex_usage, invert_green=p.invert_green) + + 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) - - if self.textures=='INLINE': - for s in material.texture_slots: - if s and s.texture.type=='IMAGE': - tex_name = s.texture.name+".tex2d" - if tex_name not in resources: - resources[tex_name] = texture_export.export_texture(s.texture) - - def export_technique(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)) + if material.type: + resources[mat_name] = self.export_material(material, resources) + else: + resources[mat_name] = None + + def export_technique(self, material, resources): + 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") + + 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) + textures = [p.texture for p in material.properties if p.texture] + if textures and not all(t.default_filter for t in textures): + from .export_texture import SamplerExporter + sampler_tex = next(t for t in textures if not t.default_filter) + sampler_export = SamplerExporter() + mat_res.statements.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(sampler_tex)])) return mat_res + + def create_property_statement(self, mat_res, prop, resources): + from .datafile import Statement + if 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: + 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: + return Statement(prop.keyword, prop.value) + + +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)