X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=a8f55e92c34834a01ac0f17115b44b2d1343fd31;hb=2680cc0bf251db566753dbe9bf947ba6a4b083d2;hp=34724221184e600b8c40e9a53974275e0a34ffd8;hpb=907a2aced4b7d70af6be0625632ba373c458f197;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py index 34724221..a8f55e92 100644 --- a/blender/io_mspgl/export_object.py +++ b/blender/io_mspgl/export_object.py @@ -1,37 +1,7 @@ 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 - - class ObjectExporter: - def __init__(self): - 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.shared_resources = True - self.export_lods = True - 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] @@ -47,130 +17,112 @@ class ObjectExporter: 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") + 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)) 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 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) + def export_object_resources(self, context, obj, resources, material_atlases, progress): + if material_atlases is None: + material_atlases = {} - 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): lods = self.collect_object_lods(obj) + from .export_mesh import MeshExporter + from .export_material import MaterialAtlasExporter, MaterialExporter from .mesh import create_mesh_from_object - mesh_export = self.create_mesh_exporter() + from .material import Material, create_material_atlas + mesh_export = MeshExporter() + material_export = MaterialExporter() + material_atlas_export = MaterialAtlasExporter() 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_atlas = None + atlas_flags = [m.render_mode!='EXTERNAL' and m.material_atlas for m in l.data.materials if m] + if any(atlas_flags): + mmk = lambda m: m.shader if m.render_mode=='CUSTOM' else "" + material_atlas_key = mmk(l.data.materials[0]) + key_mismatch = any(mmk(m)!=material_atlas_key for m in l.data.materials) + if not all(atlas_flags) or key_mismatch: + raise Exception("Invalid configuration on object {}: Mixed material atlas state") + + if material_atlas_key in material_atlases: + material_atlas = material_atlases[material_atlas_key] + else: + material_atlas = create_material_atlas(context, l.data.materials[0]) + material_atlases[material_atlas_key] = material_atlas + + tech_name = "{}.tech".format(material_atlas.name) + if tech_name not in resources: + material_atlas_export.export_technique_resources(material_atlas, resources) + resources[tech_name] = material_atlas_export.export_technique(material_atlas, resources) + elif l.material_slots and l.material_slots[0].material: + material = l.material_slots[0].material + if material.render_mode!='EXTERNAL': + tech_name = material.name+".tech" + if tech_name not in resources: + material = Material(material) + material_export.export_technique_resources(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: - mesh = create_mesh_from_object(context, l, progress) + mesh = create_mesh_from_object(context, l, material_atlas, 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) + def export_object(self, obj, resources, progress): + 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") + obj_res = Resource(obj.name+".object", "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): 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)) + lod_st.append(obj_res.create_reference_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: - lod_st.append(Statement("technique", l.technique)) - elif self.separate_tech: - lod_st.append(obj_res.create_reference_statement("technique", tech_res)) + material = None + if l.material_slots: + material = l.material_slots[0].material + if material: + if material.render_mode=='EXTERNAL': + tech_name = material.technique + elif material.material_atlas: + tech_name = "material_atlas_{}.tech".format(os.path.splitext(material.technique)[0]) else: - lod_st.append(obj_res.create_embed_statement("technique", tech_res)) + tech_name = material.name+".tech" + else: + tech_name = "stub.tech" - prev_tech = tech + 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 if i>0: st = Statement("level_of_detail", i) @@ -183,83 +135,12 @@ class ObjectExporter: return obj_res - def export_object_technique(self, obj, *, resources): - material = None - if obj.material_slots: - material = obj.material_slots[0].material - + def export_stub_technique(self): 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": - 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) - 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 = 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 - - 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)) - - return mat_res