X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=aceb6cc0d833ccfb2ab186ff4f4eb017f09cca5c;hp=956f51d430b41acb8e48f2fdc42376971c2f3453;hb=74a5bc6159d2c753786a5ef6bf785263cd0538f1;hpb=5be6340cbd5da619db56e1658da56840fcfd6293 diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 956f51d4..aceb6cc0 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,159 +1,222 @@ -import os +def create_shadow_method(tech_res, material, resources, detail): + from .datafile import Statement, Token -class MaterialExporter: - def __init__(self): - self.single_file = True - self.use_textures = True + 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") - def create_texture_exporter(self): from .export_texture import TextureExporter + from .export_texture import SamplerExporter texture_export = TextureExporter() - texture_export.inline_data = self.single_file - return texture_export + 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"))) + + return st; + +def create_technique_resource(material, resources): + 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)) - def export_technique_resources(self, material, resources): - texture_export = self.create_texture_exporter() + if m.tag=="blended" and blend_st: + st.sub.append(blend_st) - mat_name = material.name+".mat" - if mat_name not in resources: - resources[mat_name] = self.export_material(material) + shader = m.shader + if shader.endswith(".glsl"): + shader += ".shader" + st.sub.append(Statement("shader", shader)) - 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" - if tex_name not in resources: - resources[tex_name] = texture_export.export_texture(s.texture) + 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"))) - def export_technique(self, material, *, resources): - from .datafile import Resource, Statement - tech_res = Resource(material.name+".tech") - - mat_res = resources[material.name+".mat"] - textures = {} - 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 material.inherit_tech: - return tech_res - - 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 and t.image.filepath: - st.sub.append(Statement("texture", s, os.path.basename(t.image.filepath))) - 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)) + else: + 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(create_shadow_method(tech_res, material, resources, "")); + tech_res.statements.append(create_shadow_method(tech_res, material, resources, "_thsm")); + + return tech_res + +class MaterialExporter: + def export_technique_resources(self, ctx, material, resources): + from .export_texture import SamplerExporter, TextureExporter + texture_export = TextureExporter() + sampler_export = SamplerExporter() + + from .material import Material + if type(material)!=Material: + material = Material(material) + + textured_props = [p for p in material.properties if p.texture] + + ctx.set_slices(len(textured_props)+1) + for p in textured_props: + ctx.next_slice(p.texture.image) + + 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) + + 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.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: - st.sub.append(tech_res.create_reference_statement("material", mat_res)) + resources[mat_name] = None - 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 diffuse_tex.default_filter and diffuse_tex.image.filepath: - ss.sub.append(Statement("texture", os.path.basename(diffuse_tex.image.filepath))) - else: - ss.sub.append(tech_res.create_reference_statement("texture", tex_res)) - st.sub.append(ss) + 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) - tech_res.statements.append(st) + def export_technique(self, material, resources): + from .material import Material + if type(material)!=Material: + material = Material(material) - return tech_res + return create_technique_resource(material, resources) - def export_material(self, material): - from .datafile import Resource, Statement - mat_res = Resource(material.name+".mat") - statements = mat_res.statements + 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 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)) - from .util import get_colormap - cm = get_colormap(material.srgb_colors) + return mat_res - 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)) + 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: - 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 + def export_shader(self, name, module, spec_values, resources): + from .datafile import Resource, Statement + shader_res = Resource(name, "shader") + st = Statement("module", module) + for k, v in spec_values.items(): + st.sub.append(Statement("specialize", k, v)) + shader_res.statements.append(st) -class MaterialMapExporter: - def __init__(self): - self.single_file = True + return shader_res - def export_technique_resources(self, material_map, resources): - from .datafile import Resource, Statement, Token - diffuse_name = material_map.name+"_diffuse.tex2d" - if diffuse_name not in resources: - diffuse_res = Resource(diffuse_name) - fmt = 'SRGB_ALPHA' if material_map.srgb_colors else 'RGBA' +class MaterialAtlasExporter: + def __init__(self): + pass - diffuse_res.statements.append(Statement("min_filter", Token('NEAREST'))) - diffuse_res.statements.append(Statement("mag_filter", Token('NEAREST'))) - diffuse_res.statements.append(Statement("storage", Token(fmt), *material_map.size)) - diffuse_res.statements.append(Statement("raw_data", material_map.diffuse_data)) + def export_technique_resources(self, material_atlas, resources): + from .datafile import Resource, Statement, Token + base_color_name = material_atlas.name+"_base_color.tex" + base_color_res = resources.get(base_color_name) + if not base_color_res: + base_color_res = Resource(base_color_name, "texture") - resources[diffuse_name] = diffuse_res + base_color_res.statements.append(Statement("type", Token("\\2d"))) + 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)) - if "basic_white.mat" not in resources: - mat_res = Resource("basic_white.mat") - mat_res.statements.append(Statement("diffuse", 1.0, 1.0, 1.0, 1.0)) + resources[base_color_name] = base_color_res - resources["basic_white.mat"] = mat_res + sampler_name = "nearest.samp" + sampler_res = resources.get(sampler_name) + if not sampler_res: + sampler_res = Resource(sampler_name, "sampler") - def export_technique(self, material_map, *, resources=None): - from .datafile import Resource, Statement - tech_res = Resource(material_map.name+".tech") + sampler_res.statements.append(Statement("filter", Token('NEAREST'))) - mat_res = resources["basic_white.mat"] - diffuse_res = resources[material_map.name+"_diffuse.tex2d"] + resources[sampler_name] = sampler_res - if material_map.technique: - if self.single_file: - raise Exception("Can't export inherited technique to a single file") + 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)) - st = Statement("inherit", material_map.technique) - st.sub.append(tech_res.create_reference_statement("texture", "diffuse_map", diffuse_res)) - 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)) - else: - st.sub.append(tech_res.create_reference_statement("material", mat_res)) - ss = Statement("texunit", 0) - if self.single_file: - ss.sub.append(tech_res.create_embed_statement("texture2d", diffuse_res)) - else: - ss.sub.append(tech_res.create_reference_statement("texture", diffuse_res)) - st.sub.append(ss) - tech_res.statements.append(st) + resources[mat_name] = mat_res - return tech_res + def export_technique(self, material_atlas, resources): + return create_technique_resource(material_atlas, resources)