X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=f01745b98fdf00a1ef7cbc610d14fe03d1c12d38;hp=5710e0cec1b998697a92ecf1be01ed37260d1532;hb=21102ff9e9b28786bfa5f655d18571efdb162306;hpb=d14b33347983d1d0cd608b29b5ee9b7a37d98c5b diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 5710e0ce..f01745b9 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,127 +1,180 @@ -import os - -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", "") - st.sub.append(tech_res.create_embed_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.use_textures = True - self.inline_texture_data = False - - def create_texture_exporter(self): - from .export_texture import TextureExporter + def export_technique_resources(self, ctx, material, resources): + from .export_texture import SamplerExporter, 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) + if type(material)!=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(p.texture, p.tex_usage) + textured_props = [p for p in material.properties if p.texture] - samp_name = sampler_export.get_sampler_name(p.texture) - if samp_name not in resources: - resources[samp_name] = sampler_export.export_sampler(p.texture) + ctx.set_slices(len(textured_props)+1) + for p in textured_props: + ctx.next_slice(p.texture.image) - mat_name = material.name+".mat" - if mat_name not in resources: - resources[mat_name] = self.export_material(material, resources=resources) + tex_name = texture_export.get_texture_name(p.texture, p.tex_channels) + if tex_name not in resources: + resources[tex_name] = texture_export.export_texture(p.texture, p.tex_channels) - def export_technique(self, material, *, resources): - return create_technique_resource(material, resources) + samp_name = sampler_export.get_sampler_name(p.texture) + if samp_name not in resources: + resources[samp_name] = sampler_export.export_sampler(p.texture) - def export_material(self, material, *, resources): - from .datafile import Resource, Statement - mat_res = Resource(material.name+".mat", "material") + ctx.next_slice(material) + mat_name = material.name+".mat" + if mat_name not in resources: + if material.type: + resources[mat_name] = self.export_material(material, resources) + else: + resources[mat_name] = None - 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 self.use_textures: - first_tex = (p.texture for p in material.properties 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) + if material.cast_shadows and material.alpha_cutoff>0.0: + for detail in ("", "_thsm"): + shader_name = "occluder{}_masked.shader".format(detail) + if shader_name not in resources: + resources[shader_name] = self.export_shader(shader_name, "occluder{}.glsl".format(detail), {"use_alpha_cutoff":True}, resources) - return mat_res + def export_technique(self, material, resources): + from .material import Material + if type(material)!=Material: + material = Material(material) - 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 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) + from .datafile import Resource, Statement, Token + tech_res = Resource(material.name+".tech", "technique") + + mat_res = resources[material.name+".mat"] + + blend_st = None + if material.blend_type=='ALPHA': + blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE_MINUS_SRC_ALPHA")) + elif material.blend_type=='ADDITIVE': + blend_st = Statement("blend", Token("ONE"), Token("ONE")) + elif material.blend_type=='ADDITIVE_ALPHA': + blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE")) + + if material.render_mode=='CUSTOM': + for m in material.render_methods: + st = Statement("method", m.tag) + if mat_res and m.use_material: + st.sub.append(tech_res.create_reference_statement("material", mat_res)) + + if m.tag=="blended" and blend_st: + st.sub.append(blend_st) + + shader = m.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) + + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) + + tech_res.statements.append(st) else: - return Statement(keyword, prop.value) + base_method = "blended" if material.blend_type!='NONE' else "" + st = Statement("method", base_method) + if mat_res: + st.sub.append(tech_res.create_embed_statement("material", mat_res)) + + if blend_st: + st.sub.append(blend_st) + if material.receive_shadows: + st.sub.append(Statement("receive_shadows", True)) + if material.image_based_lighting: + st.sub.append(Statement("image_based_lighting", True)) + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) + + tech_res.statements.append(st) + + if material.cast_shadows: + tech_res.statements.append(self.create_shadow_method(tech_res, material, resources, "")); + tech_res.statements.append(self.create_shadow_method(tech_res, material, resources, "_thsm")); + + return tech_res + + def create_shadow_method(self, tech_res, material, resources, detail): + from .datafile import Statement, Token + + color_prop = next((p for p in material.properties if p.keyword and "color" in p.keyword), None) + + st = Statement("method", "shadow"+detail) + if material.alpha_cutoff>0.0 and color_prop and 'A' in color_prop.tex_channels: + st.sub.append(tech_res.create_reference_statement("shader", resources["occluder{}_masked.shader".format(detail)])) + ss = Statement("texture", "alpha_map") + + from .export_texture import TextureExporter + from .export_texture import SamplerExporter + texture_export = TextureExporter() + sampler_export = SamplerExporter() + + tex_res = resources[texture_export.get_texture_name(color_prop.texture, color_prop.tex_channels)] + ss.sub.append(tech_res.create_reference_statement("texture", tex_res)) + ss.sub.append(tech_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(color_prop.texture)])) + st.sub.append(ss) + + ss = Statement("uniforms") + ss.sub.append(Statement("uniform", "alpha_cutoff", material.alpha_cutoff)) + st.sub.append(ss) + else: + st.sub.append(Statement("shader", "occluder{}.glsl.shader".format(detail))) + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) -class MaterialMapExporter: - def __init__(self): - pass + return st; - def export_technique_resources(self, material_map, resources): + def export_material(self, material, resources): from .datafile import Resource, Statement, Token - base_color_name = material_map.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_map.size)) - base_color_res.statements.append(Statement("raw_data", material_map.base_color_data)) - - resources[base_color_name] = base_color_res + mat_res = Resource(material.name+".mat", "material") - sampler_name = "nearest.samp" - sampler_res = resources.get(sampler_name) - if not sampler_res: - sampler_res = Resource(sampler_name, "sampler") + if material.type!="pbr" and material.type!="unlit": + raise Exception("Can't export material {} of unknown type {}".format(material.name, 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: + 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])])) + if material.alpha_cutoff>0.0: + mat_res.statements.append(Statement("alpha_cutoff", material.alpha_cutoff)) - sampler_res.statements.append(Statement("filter", Token('NEAREST'))) + return mat_res - resources[sampler_name] = sampler_res + def create_property_statement(self, mat_res, prop, resources): + from .datafile import Statement + if prop.texture: + from .export_texture import TextureExporter + texture_export = TextureExporter() + tex_res = resources[texture_export.get_texture_name(prop.texture, prop.tex_channels)] + 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) - 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) + def export_shader(self, name, module, spec_values, resources): + from .datafile import Resource, Statement + shader_res = Resource(name, "shader") - resources[mat_name] = mat_res + st = Statement("module", module) + for k, v in spec_values.items(): + st.sub.append(Statement("specialize", k, v)) + shader_res.statements.append(st) - def export_technique(self, material_map, *, resources): - return create_technique_resource(material_map, resources) + return shader_res