X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_object.py;h=abe33630ce29b76b6233dd2173d42acfe95adb2a;hp=a12474af94bbfe5505a0d7e8d2fd016b1774aebf;hb=386861effd5e84c1a3a8f58f50fc1b1f75dafaa1;hpb=169057d48d44846bc433753f20ee884204be9192 diff --git a/blender/io_mspgl/export_object.py b/blender/io_mspgl/export_object.py index a12474af..abe33630 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: @@ -6,6 +7,12 @@ 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: @@ -13,147 +20,200 @@ def image_name(i): 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.material_tex = False - self.srgb_colors = True self.textures = "REF" self.separate_mesh = False + self.shared_mesh = True 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: + def export(self, context, out_file, obj=None, progress=None): + if obj is None: obj = context.active_object - else: - obj = objs[0] + + 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) + + prev_mesh = None + prev_tech = (None, None) + for i, l in enumerate(lods): + if i>0: + out_file.begin("level_of_detail", i) + + 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) + + if i>0: + out_file.end() + + 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: - 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)) + 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, objs, progress) + mesh = mesh_export.export(context, out_file, obj, progress) out_file.end() - if self.external_tech and obj.technique: - if obj.inherit_tech and mesh.materials[0].texture_slots: + 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 mesh.materials[0].texture_slots: + 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: - 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)) + 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(mesh, out_file) + self.export_technique_definition(material, obj.material_tex, mesh, out_file) out_file.end() - def export_technique(self, mesh, out_file): + def export_technique_definition(self, material, material_tex, 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: + 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("texunit", 0) 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] + 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() 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) - 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); + self.export_material(material, out_file) out_file.end() 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 - else: - index = mesh.uv_layers[0].unit - - out_file.begin("texunit", index) + 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: + out_file.begin("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]) + out_file.write("storage", "RGBA", diffuse_tex.image.size[0], diffuse_tex.image.size[1]) texdata = '"' - for p in tex.image.pixels: + for p in diffuse_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.write("texture", '"%s"'%image_name(diffuse_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)