X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=336ca31698e9d7b401305198040ca6da92f1d195;hb=HEAD;hp=8619142e9b4dff53d4543c2b8a3e31dde6cff016;hpb=5c3e77f72d30b93ab775eb41eba4efcdabb0f074;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 8619142e..fc144b7a 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,162 +1,230 @@ -import os +import itertools class MaterialExporter: - def __init__(self): - self.single_file = True - self.use_textures = True - - 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.single_file - return texture_export + sampler_export = SamplerExporter() + + from .material import Material + if type(material)!=Material: + material = Material(material) + + textured_props = [p for p in itertools.chain(material.properties, *(s.properties for s in material.sub_materials)) 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) - def export_technique_resources(self, material, resources): - texture_export = self.create_texture_exporter() + 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: - resources[mat_name] = self.export_material(material) + if material.type: + resources[mat_name] = self.export_material(material, resources) + else: + resources[mat_name] = None - 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) + for thsm in (False, True): + occluder_variant, occluder_spec_values = self.get_occluder_shader_variant(material, thsm) + if occluder_spec_values: + base_variant = "_thsm" if thsm else "" + shader_name = "occluder{}.shader".format(occluder_variant) + if shader_name not in resources: + resources[shader_name] = self.export_shader(shader_name, "occluder{}.glsl".format(base_variant), occluder_spec_values, resources) - def export_technique(self, material, *, resources): - from .datafile import Resource, Statement - tech_res = Resource(material.name+".tech") + def export_technique(self, material, resources): + from .material import Material + if type(material)!=Material: + material = Material(material) + + from .datafile import Resource, Statement, Token + tech_res = Resource(material.name+".tech", "technique") 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: - if s.texture.use_normal_map: - textures["normal_map"] = s.texture - else: - textures["displace_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) + + 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: - st = Statement("pass", "") - if self.single_file: + 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)) - 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 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)) + + if blend_st: + st.sub.append(blend_st) + elif material.alpha_cutoff>0.0: + ss = Statement("blend") + ss.sub.append(Statement("alpha_to_coverage", True)) st.sub.append(ss) + 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.instancing: + st.sub.append(Statement("instancing", 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, False)); + tech_res.statements.append(self.create_shadow_method(tech_res, material, resources, True)); + return tech_res - def export_material(self, material): - from .datafile import Resource, Statement - mat_res = Resource(material.name+".mat") - statements = mat_res.statements + def create_shadow_method(self, tech_res, material, resources, thsm): + from .datafile import Statement, Token - from .util import get_colormap - cm = get_colormap(material.srgb_colors) + occluder_variant, occluder_spec_values = self.get_occluder_shader_variant(material, thsm) - 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)) + shader_stem = "occluder{}.shader" if occluder_spec_values else "occluder{}.glsl.shader" + shader_name = shader_stem.format(occluder_variant) + + st = Statement("method", "shadow"+("_thsm" if thsm else "")) + if occluder_spec_values: + st.sub.append(tech_res.create_reference_statement("shader", resources[shader_name])) 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)) + st.sub.append(Statement("shader", shader_name)) - return mat_res + if occluder_spec_values.get("use_alpha_cutoff"): + ss = Statement("texture", "alpha_map") + from .export_texture import TextureExporter + from .export_texture import SamplerExporter + texture_export = TextureExporter() + sampler_export = SamplerExporter() -class MaterialMapExporter: - def __init__(self): - self.single_file = True + color_prop = material.properties[0] + 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) - 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) + ss = Statement("uniforms") + ss.sub.append(Statement("uniform", "alpha_cutoff", material.alpha_cutoff)) + st.sub.append(ss) - fmt = 'SRGB_ALPHA' if material_map.srgb_colors else 'RGBA' + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) - 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)) + return st; - resources[diffuse_name] = diffuse_res + def get_occluder_shader_variant(self, material, thsm): + variant = "" + if thsm: + variant += "_thsm" - 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)) + spec_values = {} - resources["basic_white.mat"] = mat_res + if material.cast_shadows and material.alpha_cutoff>0.0: + spec_values["use_alpha_cutoff"] = True + variant += "_masked" + if material.instancing: + spec_values["use_instancing"] = True + variant += "_instanced" - def export_technique(self, material_map, *, resources=None): - from .datafile import Resource, Statement - tech_res = Resource(material_map.name+".tech") + return (variant, spec_values) - mat_res = resources["basic_white.mat"] - diffuse_res = resources[material_map.name+"_diffuse.tex2d"] + 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" and material.type!="splat": + 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) + + if material.sub_materials: + for k, s in material.array_storage.items(): + mat_res.statements.append(Statement(k.replace("_map", "_storage"), Token(s[0]), s[1], s[2])) + for s in material.sub_materials: + st = Statement("sub") + for p in s.properties: + ss = self.create_property_statement(mat_res, p, resources, raw_texture=True) + if ss: + st.sub.append(ss) + mat_res.statements.append(st) + + textures = [p.texture for p in itertools.chain(material.properties, *(s.properties for s in material.sub_materials)) 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)) - if material_map.technique: - if self.single_file: - raise Exception("Can't export inherited technique to a single file") + return mat_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) + def create_property_statement(self, mat_res, prop, resources, *, raw_texture=False): + 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)] + if raw_texture: + for s in tex_res.statements: + if s.keyword.startswith("external_data"): + return mat_res.create_reference_statement(prop.tex_keyword, s.args[0]) + elif s.keyword.startswith("external_image"): + return Statement(prop.tex_keyword, s.args[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: - 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) + return Statement(prop.keyword, prop.value) - return tech_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) + + return shader_res