X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=040f5302f060536c708c0bb9a0300a3c12444317;hb=3e4e6a2c15b5a61f6e713e12290cd10e82b20513;hp=bcd2c6ecfb05c70a0646a603cc0a6456ebd52317;hpb=ea3e95735fcd9d6a80d23dbd90667eb2f1c95ef4;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py index bcd2c6ec..040f5302 100644 --- a/blender/io_mspgl/export_object.py +++ b/blender/io_mspgl/export_object.py @@ -2,16 +2,6 @@ import os import mathutils 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] @@ -27,98 +17,76 @@ 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 create_material_exporter(self): - from .export_material import MaterialExporter - material_export = MaterialExporter() - material_export.textures = self.textures - return material_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, material_atlases, progress): + if material_atlases is None: + material_atlases = {} - 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() - material_export = self.create_material_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)) - 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_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 - if l.material_slots and l.material_slots[0].material: - material = l.material_slots[0].material - tech_name = material.name+".tech" + tech_name = "{}.tech".format(material_atlas.name) if tech_name not in resources: - material_export.export_technique_resources(material, resources) - resources[tech_name] = material_export.export_technique(material, resources=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_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, material_atlas, progress) + 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) + 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) @@ -131,10 +99,7 @@ class ObjectExporter: 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 @@ -142,18 +107,21 @@ class ObjectExporter: if l.material_slots: material = l.material_slots[0].material if material: - tech_res = resources[material.name+".tech"] + 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: + tech_name = material.name+".tech" else: - tech_res = resources["stub.tech"] + tech_name = "stub.tech" - if tech_res.name!=prev_tech: - if material and material.technique and not material.inherit_tech: + if tech_name!=prev_tech: + if material and material.render_mode=='EXTERNAL': lod_st.append(Statement("technique", material.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_res.name + 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) @@ -167,7 +135,11 @@ class ObjectExporter: return obj_res def export_stub_technique(self): - from .datafile import Resource, Statement - tech_res = Resource("stub.tech") - tech_res.statements.append(Statement("pass", "")) + 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