X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=6e399b0199f9f77b10175fe5a4a86027d29a88cc;hb=HEAD;hp=b911ed362bb242bc84f7f040a7ac25b90ac3e99a;hpb=84269f7b598673b06757313d70934a1747045b69;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py index b911ed36..989d6758 100644 --- a/blender/io_mspgl/export_object.py +++ b/blender/io_mspgl/export_object.py @@ -1,231 +1,107 @@ 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 +class ObjectExporter: + def collect_object_lods(self, obj): + lods = [obj] + 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("Invalid configuration on object {}: Inconsistent LOD indices".format(obj.name)) -def image_name(i): - fp = i.filepath - if fp: - return os.path.split(fp)[1] - else: - return i.name + return lods -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 + def export_object_resources(self, ctx, obj, resources): + lods = self.collect_object_lods(obj) + from .export_mesh import MeshExporter + from .export_material import MaterialExporter + from .mesh import create_mesh_from_object + from .material import Material + mesh_export = MeshExporter() + material_export = MaterialExporter() -class ObjectExporter: - def __init__(self): - self.material_tex = False - self.srgb_colors = True - self.textures = "REF" - self.separate_mesh = False - self.separate_tech = False - self.external_tech = True - self.shared_tech = 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] + ctx.set_slices(len(lods)) + for l in lods: + lod_index = l.lod_index if l.lod_for_parent else 0 + task = ctx.next_slice("LOD {}".format(lod_index)) - 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) - - 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 - - out_file.write("bounding_sphere_hint", center[0], center[1], center[2], radius) + if l.material_slots and l.material_slots[0].material: + material = l.material_slots[0].material + subtask = task.task(material, 0.1) + if material.render_mode!='EXTERNAL': + tech_name = material.name+".tech" + if tech_name not in resources: + material = Material(material) + material_export.export_technique_resources(subtask, material, resources) + resources[tech_name] = material_export.export_technique(material, 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: + subtask = task.task(l.data, 1.0) + mesh = create_mesh_from_object(subtask, l) + mesh_res = mesh_export.export_mesh(subtask, mesh) + resources[mesh_name] = mesh_res + + def export_object(self, obj, resources): + if obj.type!='MESH': + raise ValueError("Object {} is not a mesh".format(obj.name)) + + lods = self.collect_object_lods(obj) + + from .datafile import Resource, Statement + obj_res = Resource(obj.name+".object", "object") + statements = obj_res.statements + + from .util import compute_bounding_sphere + center, radius = compute_bounding_sphere([v.co for v in obj.data.vertices]) + 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) - objs = [l] + lod_st = [] + + if l.data.name!=prev_mesh: + mesh_res = resources[l.data.name+".mesh"] + lod_st.append(obj_res.create_reference_statement("mesh", mesh_res)) - same_mesh = (l.data.name==prev_mesh) - if i==0 or not same_mesh: - mesh = self.export_object_mesh(context, out_file, i, objs, 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 self.external_tech and 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.render_mode=='EXTERNAL': + tech_name = material.technique + else: + tech_name = material.name+".tech" + else: + tech_name = "stub.tech" - if i>0: - out_file.end() + if tech_name!=prev_tech: + if material and material.render_mode=='EXTERNAL': + lod_st.append(Statement("technique", material.technique)) + else: + lod_st.append(obj_res.create_reference_statement("technique", resources[tech_name])) + prev_tech = tech_name - def export_object_mesh(self, context, out_file, lod_index, objs, progress): - from .export_mesh import MeshExporter - mesh_export = MeshExporter() - for k, v in self.__dict__.items(): - setattr(mesh_export, k, v) - - if self.separate_mesh: - from .outfile import open_output - path, name = external_name(out_file, ".mesh", lod_index) - mesh_out = open_output(os.path.join(path, name)) - mesh = mesh_export.export(context, mesh_out, objs, progress) - out_file.write("mesh", '"{}"'.format(name)) - else: - out_file.begin("mesh") - mesh = mesh_export.export(context, out_file, objs, progress) - out_file.end() - - return mesh - - def export_object_technique(self, obj, mesh, out_file, lod_index): - if self.srgb_colors: - self.colormap = linear_to_srgb - else: - self.colormap = lambda x: x - - 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 self.external_tech and 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", '""', '"{}"'.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, mesh, out_file) - out_file.end() - - def export_technique_definition(self, material, mesh, out_file): - out_file.begin("pass", '""') - if material: - cm = self.colormap - - 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*mat.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 = self.colormap - 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 + + return obj_res + + def export_stub_technique(self): + from .datafile import Resource, Statement, Token + tech_res = Resource("stub.tech", "technique") + pass_st = Statement("method", "") + tech_res.statements.append(pass_st) + mat_st = Statement("material") + pass_st.sub.append(mat_st) + mat_st.sub.append(Statement("type", Token("basic"))) + return tech_res