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.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:
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)
- path, base = os.path.split(out_file.filename)
+ prev_mesh = None
+ prev_tech = (None, None)
+ for i, l in enumerate(lods):
+ if i>0:
+ out_file.begin("level_of_detail", i)
+ objs = [l]
+
+ 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)
+
+ if i>0:
+ out_file.end()
+
+ 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:
- base, ext = os.path.splitext(base)
- mesh_out = open_output(os.path.join(path, base+".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", '"{}.mesh"'.format(base))
+ 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 (obj.override_material or mesh.materials[0].texture_slots):
+ 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:
elif slot.use_map_normal:
out_file.write("texture", '"normal_map"', '"{}"'.format(name))
if obj.override_material:
- mat_name = mesh.materials[0].name+".mat"
+ mat_name = material.name+".mat"
mat_out = open_output(os.path.join(path, mat_name))
- self.export_material(mesh.materials[0], mat_out)
+ 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 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, mesh, out_file)
out_file.end()
- def export_technique(self, mesh, out_file):
+ def export_technique_definition(self, material, mesh, out_file):
out_file.begin("pass", '""')
- if mesh.materials:
+ if material:
cm = self.colormap
if self.material_tex:
out_file.end()
else:
out_file.begin("material")
- self.export_material(mesh.materials[0], out_file)
+ self.export_material(material, out_file)
out_file.end()
if self.textures!="NONE":
- for slot in mesh.materials[0].texture_slots:
+ for slot in material.texture_slots:
if not slot:
continue
projects / libs / gl.git / blobdiff