X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=34724221184e600b8c40e9a53974275e0a34ffd8;hb=907a2aced4b7d70af6be0625632ba373c458f197;hp=a8af6d1f9b6a87e2334fa4deeafe74062c66821c;hpb=328ac951d8df830e1c9ee469b4ab073e9163606d;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py index a8af6d1f..34724221 100644 --- a/blender/io_mspgl/export_object.py +++ b/blender/io_mspgl/export_object.py @@ -1,4 +1,5 @@ import os +import mathutils def linear_to_srgb(l): if l<0.0031308: @@ -6,134 +7,259 @@ def linear_to_srgb(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 + class ObjectExporter: def __init__(self): - self.material_tex = False - self.srgb_colors = True + self.show_progress = True + self.use_strips = True + self.use_degen_tris = False self.textures = "REF" self.separate_mesh = False self.separate_tech = False - self.external_tech = True - self.shared_tech = True + self.shared_resources = True + self.export_lods = True - def export(self, context, out_file, objs=None, progress=None): - if objs is None: - obj = context.active_object - else: - obj = objs[0] + def compute_bounding_sphere(self, obj): + p1 = max(((v.co, v.co.length) for v in obj.data.vertices), key=lambda x:x[1])[0] + p2 = max(((v.co, (v.co-p1).length) for v in obj.data.vertices), key=lambda x:x[1])[0] + center = (p1+p2)/2 + radius = (p1-p2).length/2 + for v in obj.data.vertices: + d = v.co-center + if d.length>radius: + center += d*(1-radius/d.length)/2 + radius = (radius+d.length)/2 + + return center, radius + + def collect_object_lods(self, obj): + lods = [obj] + if self.export_lods: + lods += sorted([c for c in obj.children if c.lod_for_parent], key=(lambda l: l.lod_index)) + for i, l in enumerate(lods): + if i>0 and l.lod_index!=i: + raise Exception("Inconsistent LOD indices") - from .outfile import open_output - out_file = open_output(out_file) + return lods + def create_mesh_exporter(self): from .export_mesh import MeshExporter mesh_export = MeshExporter() - for k, v in self.__dict__.items(): - setattr(mesh_export, k, v) - - if self.separate_mesh: - path, base = os.path.split(out_file.filename) - base, ext = os.path.splitext(base) - mesh_out = open_output(os.path.join(path, base+".mesh")) - mesh = mesh_export.export(context, mesh_out, objs, progress) - out_file.write("mesh", '"{}.mesh"'.format(base)) - else: - out_file.begin("mesh") - mesh = mesh_export.export(context, out_file, objs, progress) - out_file.end() - - if self.external_tech and obj.technique: - out_file.write("technique", '"{}"'.format(obj.technique)) - elif self.separate_tech: - path, base = os.path.split(out_file.filename) - if self.shared_tech and mesh.materials: - tech_name = mesh.materials[0].name+".tech" - else: - base, ext = os.path.splitext(base) - tech_name = base+".tech" - tech_out = open_output(os.path.join(path, tech_name)) - self.export_technique(mesh, tech_out) - out_file.write("technique", '"{}"'.format(tech_name)) - else: - out_file.begin("technique") - self.export_technique(mesh, out_file) - out_file.end() - - def export_technique(self, mesh, out_file): - out_file.begin("pass", '""') - if mesh.materials: - if self.srgb_colors: - cm = linear_to_srgb - else: - cm = lambda x: x - - if self.material_tex: - out_file.begin("material") - out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0) - out_file.end() - index = 0 - for u in mesh.uv_layers: - if u.name=="material_tex": - index = u.unit - out_file.begin("texunit", index) - out_file.begin("texture2d") - out_file.write("min_filter", "NEAREST") - out_file.write("mag_filter", "NEAREST") - out_file.write("storage", "RGB", len(mesh.materials), 1) - texdata = '"' - for m in mesh.materials: - color = [int(cm(c)*255) for c in m.diffuse_color] - texdata += "\\x%02X\\x%02X\\x%02X"%tuple(color) - texdata += '"' - out_file.write("raw_data", texdata) - out_file.end() - out_file.end() - else: - mat = mesh.materials[0] - out_file.begin("material") - if any((s and s.use_map_color_diffuse) for s in mat.texture_slots): - out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0) - amb = cm(mat.ambient) - out_file.write("ambient", amb, amb, amb, 1.0) + mesh_export.use_strips = self.use_strips + mesh_export.use_degen_tris = self.use_degen_tris + return mesh_export + + def export_to_file(self, context, out_fn): + obj = context.active_object + + from .util import Progress + progress = Progress(self.show_progress and context) + + path, base = os.path.split(out_fn) + base = os.path.splitext(base)[0] + + resources = {} + self.export_object_resources(context, obj, resources, progress) + + obj_res = self.export_object(context, obj, progress, resources=resources) + refs = obj_res.collect_references() + if not self.shared_resources: + numbers = {} + for r in refs: + ext = os.path.splitext(r.name)[1] + n = numbers.get(ext, 0) + if n>0: + r.name = "{}_{}{}".format(base, n, ext) else: - diff = mat.diffuse_color - out_file.write("diffuse", cm(diff.r), cm(diff.g), cm(diff.b), 1.0) - amb = diff*mat.ambient - out_file.write("ambient", cm(amb.r), cm(amb.g), cm(amb.b), 1.0) - spec = mat.specular_color*mat.specular_intensity - out_file.write("specular", spec.r, spec.g, spec.b, 1.0) - out_file.write("shininess", mat.specular_hardness); - out_file.end() + r.name = base+ext + numbers[ext] = n+1 - if self.textures!="NONE": - for slot in mesh.materials[0].texture_slots: - if not slot: - continue - - tex = slot.texture - if tex.type!="IMAGE": - continue - - if slot.uv_layer: - for u in mesh.uv_layers: - if u.name==slot.uv_layer: - index = u.unit + for r in refs: + with open(os.path.join(path, r.name), "w") as out_file: + for s in r.statements: + s.write_to_file(out_file) + + with open(out_fn, "w") as out_file: + for s in obj_res.statements: + s.write_to_file(out_file) + + def export_object_resources(self, context, obj, resources, progress): + lods = self.collect_object_lods(obj) + + from .mesh import create_mesh_from_object + mesh_export = self.create_mesh_exporter() + + for i, l in enumerate(lods): + lod_index = l.lod_index if l.lod_for_parent else 0 + progress.push_task_slice("LOD {}".format(lod_index), i, len(lods)) + + mesh_name = l.data.name+".mesh" + if mesh_name not in resources: + mesh = create_mesh_from_object(context, l, progress) + mesh_res = mesh_export.export_mesh(context, mesh, progress) + resources[mesh_name] = mesh_res + + material = None + if l.material_slots and l.material_slots[0].material: + material = l.material_slots[0].material + mat_name = material.name+".mat" + if mat_name not in resources: + resources[mat_name] = self.export_material(material) + + tech_name = (material.name if material else l.name)+".tech" + if tech_name not in resources: + resources[tech_name] = self.export_object_technique(l, resources=resources) + + progress.pop_task() + + def export_object(self, context, obj, progress, *, resources=None): + if resources is None: + resources = {} + self.export_object_resources(context, obj, resources, progress) + + lods = self.collect_object_lods(obj) + + from .datafile import Resource, Statement + obj_res = Resource(obj.name+".object") + statements = obj_res.statements + + center, radius = self.compute_bounding_sphere(obj) + statements.append(Statement("bounding_sphere_hint", *center, radius)) + + prev_mesh = None + prev_tech = (None, None) + for i, l in enumerate(lods): + lod_st = [] + + if l.data.name!=prev_mesh: + mesh_res = resources[l.data.name+".mesh"] + if self.separate_mesh: + lod_st.append(obj_res.create_reference_statement("mesh", mesh_res)) + else: + lod_st.append(obj_res.create_embed_statement("mesh", mesh_res)) + + prev_mesh = l.data.name + + mat_name = None + if l.material_slots and l.material_slots[0].material: + mat_name = l.material_slots[0].material.name + + tech = (l.technique, mat_name) + if tech!=prev_tech: + tech_res = resources[(mat_name or l.name)+".tech"] + if l.technique: + if l.inherit_tech: + lod_st.append(obj_res.create_embed_statement("technique", tech_res)) else: - index = mesh.uv_layers[0].unit + lod_st.append(Statement("technique", l.technique)) + elif self.separate_tech: + lod_st.append(obj_res.create_reference_statement("technique", tech_res)) + else: + lod_st.append(obj_res.create_embed_statement("technique", tech_res)) + + prev_tech = tech + + if i>0: + st = Statement("level_of_detail", i) + st.sub = lod_st + statements.append(st) + else: + statements += lod_st + + progress.set_progress(1.0) + + return obj_res - out_file.begin("texunit", index) + def export_object_technique(self, obj, *, resources): + material = None + if obj.material_slots: + material = obj.material_slots[0].material + + from .datafile import Resource, Statement, Token + tech_res = Resource((material.name if material else obj.name)+".tech") + + mat_res = None + if material: + mat_res = resources[material.name+".mat"] + + if obj.technique: + if not obj.inherit_tech: + return tech_res + + st = Statement("inherit", obj.technique) + if material: + for slot in material.texture_slots: + if slot and slot.texture.type=="IMAGE": + 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 obj.override_material: + st.sub.append(tech_res.create_reference_statement("material", "surface", mat_res)) + tech_res.statements.append(st) + + return tech_res + + pass_st = Statement("pass", "") + if material: + pass_st.sub.append(tech_res.create_embed_statement("material", mat_res)) + + if self.textures!="NONE": + diffuse_tex = None + for slot in material.texture_slots: + if slot and slot.texture.type=="IMAGE" and slot.use_map_color_diffuse: + diffuse_tex = slot.texture + break + + if diffuse_tex: + st = Statement("texunit", 0) if self.textures=="INLINE": - out_file.begin("texture2d") - out_file.write("min_filter", "LINEAR") - out_file.write("storage", "RGBA", tex.image.size[0], tex.image.size[1]) - texdata = '"' + ss = Statement("texture2d") + ss.sub.append(Statement("min_filter", Token("LINEAR"))) + ss.sub.append(Statement("storage", Token("RGBA"), tex.image.size[0], tex.image.size[1])) + texdata = "" for p in tex.image.pixels: texdata += "\\x%02X"%int(p*255) - texdata += '"' - out_file.write("raw_data", texdata) - out_file.end() - else: - out_file.write("texture", '"%s"'%tex.image.name) - out_file.end() + ss.sub.append(Statement("raw_data", texdata)) + st.sub.append(ss) + elif tex.image: + st.sub.append(Statement("texture", image_name(tex.image))) + pass_st.sub.append(st) + tech_res.statements.append(pass_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)) - out_file.end() + return mat_res