X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=6e399b0199f9f77b10175fe5a4a86027d29a88cc;hp=84c0a78114a83752d6ae33bf2a49b9bb97e2abbf;hb=7ffc6b595b9c8405d1044f8a4d4d3098392e13fa;hpb=211d5ec0e55778ab023b1bc6bb54e2c9afa7df0c diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py index 84c0a781..6e399b01 100644 --- a/blender/io_mspgl/export_object.py +++ b/blender/io_mspgl/export_object.py @@ -1,56 +1,17 @@ import os import mathutils -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 external_name(out_file, ext, index): - path, base = os.path.split(out_file.filename) - base = os.path.splitext(base)[0] - if index>0: - base += "_lod{}".format(index) - return path, base+ext - - class ObjectExporter: def __init__(self): - self.textures = "REF" - self.separate_mesh = False - self.shared_mesh = True - self.separate_tech = False - self.shared_tech = True + self.show_progress = True + self.use_strips = True + self.use_degen_tris = False + self.use_textures = True + self.single_file = True + self.shared_resources = True self.export_lods = True - def export(self, context, out_file, obj=None, progress=None): - if obj is None: - obj = context.active_object - - lods = [obj] - for c in obj.children: - if c.lod_for_parent: - if c.lod_index>=len(lods): - lods += [None]*(c.lod_index+1-len(lods)) - lods[c.lod_index] = c - - from .outfile import open_output - out_file = open_output(out_file) - + 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 @@ -61,171 +22,184 @@ class ObjectExporter: center += d*(1-radius/d.length)/2 radius = (radius+d.length)/2 - out_file.write("bounding_sphere_hint", center[0], center[1], center[2], radius) + 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") + + return lods + + def create_mesh_exporter(self): + from .export_mesh import MeshExporter + mesh_export = MeshExporter() + mesh_export.use_strips = self.use_strips + mesh_export.use_degen_tris = self.use_degen_tris + return mesh_export + + def create_material_exporter(self): + from .export_material import MaterialExporter + material_export = MaterialExporter() + material_export.single_file = self.single_file + material_export.use_textures = self.use_textures + return material_export + + def create_material_map_exporter(self): + from .export_material import MaterialMapExporter + material_map_export = MaterialMapExporter() + material_map_export.single_file = self.single_file + return material_map_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: + r.name = base+ext + numbers[ext] = n+1 + + 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, material_maps=None): + if material_maps is None: + material_maps = {} + + lods = self.collect_object_lods(obj) + + from .mesh import create_mesh_from_object + from .material import create_material_map + mesh_export = self.create_mesh_exporter() + material_export = self.create_material_exporter() + material_map_export = self.create_material_map_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)) + + material_map = None + mapped_count = sum(m.material_map for m in l.data.materials if m) + if mapped_count: + material_map_tech = l.data.materials[0].technique + tech_mismatch = any(m.technique!=material_map_tech for m in l.data.materials) + if mapped_count!=len(l.data.materials) or tech_mismatch: + raise Exception("Conflicting settings in object materials") + + if material_map_tech in material_maps: + material_map = material_maps[material_map_tech] + else: + material_map = create_material_map(context, l.data.materials[0]) + material_maps[material_map_tech] = material_map + + tech_name = "material_map_{}.tech".format(os.path.splitext(material_map_tech)[0]) + if tech_name not in resources: + material_map_export.export_technique_resources(material_map, resources) + resources[tech_name] = material_map_export.export_technique(material_map, resources=resources) + elif l.material_slots and l.material_slots[0].material: + material = l.material_slots[0].material + tech_name = material.name+".tech" + if tech_name not in resources: + material_export.export_technique_resources(material, resources) + resources[tech_name] = material_export.export_technique(material, resources=resources) + elif "stub.tech" not in resources: + resources["stub.tech"] = self.export_stub_technique() + + mesh_name = l.data.name+".mesh" + if mesh_name not in resources: + mesh = create_mesh_from_object(context, l, progress, material_map=material_map) + mesh_res = mesh_export.export_mesh(context, mesh, progress) + resources[mesh_name] = mesh_res + + 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) + prev_tech = None for i, l in enumerate(lods): - if i>0: - out_file.begin("level_of_detail", i) + lod_st = [] + + if l.data.name!=prev_mesh: + mesh_res = resources[l.data.name+".mesh"] + if not self.single_file: + lod_st.append(obj_res.create_reference_statement("mesh", mesh_res)) + else: + lod_st.append(obj_res.create_embed_statement("mesh", mesh_res)) - if i==0 or l.data.name!=prev_mesh: - mesh = self.export_object_mesh(context, out_file, l, progress) prev_mesh = l.data.name - same_tech = True - mat = None - if l.material_slots and l.material_slots[0].material: - mat = l.material_slots[0].material.name - if mat!=prev_tech[1]: - same_tech = False - if l.technique!=prev_tech[0]: - same_tech = False - if i==0 or not same_tech: - self.export_object_technique(l, mesh, out_file, i) - prev_tech = (l.technique, mat) + material = None + if l.material_slots: + material = l.material_slots[0].material + if material: + if material.material_map: + tech_res = resources["material_map_{}.tech".format(os.path.splitext(material.technique)[0])] + else: + tech_res = resources[material.name+".tech"] + else: + tech_res = resources["stub.tech"] - if i>0: - out_file.end() + if tech_res.name!=prev_tech: + if material and not material.material_map and material.technique and not material.inherit_tech: + lod_st.append(Statement("technique", material.technique)) + elif not self.single_file: + 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_res.name - def export_object_mesh(self, context, out_file, obj, progress): - from .export_mesh import MeshExporter - mesh_export = MeshExporter() - for k, v in self.__dict__.items(): - setattr(mesh_export, k, v) - - lod_index = 0 - if obj.lod_for_parent: - lod_index = obj.lod_index - - if self.separate_mesh: - from .outfile import open_output - path, name = external_name(out_file, ".mesh", lod_index) - if self.shared_mesh: - name = obj.data.name+".mesh" - mesh_out = open_output(os.path.join(path, name)) - mesh = mesh_export.export(context, mesh_out, obj, progress) - out_file.write("mesh", '"{}"'.format(name)) - else: - out_file.begin("mesh") - mesh = mesh_export.export(context, out_file, obj, progress) - out_file.end() - - return mesh - - def export_object_technique(self, obj, mesh, out_file, lod_index): - material = None - if obj.material_slots: - material = obj.material_slots[0].material - - from .outfile import open_output - path, name = external_name(out_file, ".tech", lod_index) - - if obj.technique: - if obj.inherit_tech and material and (obj.override_material or material.texture_slots): - out_file.begin("technique") - out_file.begin("inherit", '"{}"'.format(obj.technique)) - 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: - out_file.write("texture", '"diffuse_map"', '"{}"'.format(name)) - elif slot.use_map_normal: - out_file.write("texture", '"normal_map"', '"{}"'.format(name)) - if obj.override_material: - mat_name = material.name+".mat" - mat_out = open_output(os.path.join(path, mat_name)) - self.export_material(material, mat_out) - out_file.write("material", '"surface"', '"{}"'.format(mat_name)) - out_file.end() - out_file.end() - else: - out_file.write("technique", '"{}"'.format(obj.technique)) - elif self.separate_tech: - if self.shared_tech and material: - name = material.name+".tech" - tech_out = open_output(os.path.join(path, name)) - self.export_technique_definition(material, mesh, tech_out) - out_file.write("technique", '"{}"'.format(name)) - else: - out_file.begin("technique") - self.export_technique_definition(material, obj.material_tex, mesh, out_file) - out_file.end() - - def export_technique_definition(self, material, material_tex, mesh, out_file): - out_file.begin("pass", '""') - if material: - if 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: - cm = get_colormap(m.srgb_colors) - color = [int(cm(c)*255) for c in m.diffuse_color*m.diffuse_intensity] - texdata += "\\x%02X\\x%02X\\x%02X"%tuple(color) - texdata += '"' - out_file.write("raw_data", texdata) - out_file.end() - out_file.end() + if i>0: + st = Statement("level_of_detail", i) + st.sub = lod_st + statements.append(st) else: - out_file.begin("material") - self.export_material(material, out_file) - out_file.end() - - if self.textures!="NONE": - for slot in material.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 - else: - index = mesh.uv_layers[0].unit - - out_file.begin("texunit", index) - 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 = '"' - 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"'%image_name(tex.image)) - out_file.end() - - out_file.end() - - def export_material(self, mat, out_file): - cm = get_colormap(mat.srgb_colors) - 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) - else: - diff = mat.diffuse_color*mat.diffuse_intensity - 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) + statements += lod_st + + progress.set_progress(1.0) + + return obj_res + + def export_stub_technique(self): + from .datafile import Resource, Statement + tech_res = Resource("stub.tech") + tech_res.statements.append(Statement("pass", "")) + return tech_res