blender/io_mspgl/export_scene.py

   1 import math
   2 import os
   3
   4 class SceneExporter:
   5         def __init__(self):
   6                 self.external_tech = True
   7                 self.resource_collection = True
   8
   9         def export(self, context, out_file):
  10                 objs = context.selected_objects
  11                 objs = [o for o in objs if o.type=="MESH" and (not o.compound or o.parent not in objs) and not o.lod_for_parent]
  12
  13                 from .outfile import open_output
  14                 out_file = open_output(out_file)
  15
  16                 path, base = os.path.split(out_file.filename)
  17                 base, ext = os.path.splitext(base)
  18
  19                 from .export_object import ObjectExporter
  20                 object_export = ObjectExporter()
  21                 object_export.compound = True
  22                 object_export.external_tech = self.external_tech
  23
  24                 from .util import Progress
  25                 progress = Progress(context)
  26                 if self.resource_collection:
  27                         res_out = open_output(os.path.join(path, base+"_resources.mdc"))
  28
  29                         # TODO Export techniques as separate items in the collection
  30                         for i, o in enumerate(objs):
  31                                 res_out.begin("object", '"{}.object"'.format(o.name))
  32                                 progress.push_task(o.name, i/len(objs), (i+1)/len(objs))
  33                                 object_export.export(context, res_out, [o], progress)
  34                                 progress.pop_task()
  35                                 res_out.end()
  36                 else:
  37                         object_export.separate_tech = True
  38                         res_dir = os.path.join(path, base+"_resources")
  39                         if not os.path.exists(res_dir):
  40                                 os.makedirs(res_dir)
  41                         for o in objs:
  42                                 obj_out = open_output(os.path.join(res_dir, o.name+".object"))
  43                                 progress.push_task(o.name, i/len(objs), (i+1)/len(objs))
  44                                 object_export.export(context, obj_out, [o], progress)
  45                                 progress.pop_task()
  46
  47                 for o in objs:
  48                         out_file.begin("object", '"{}.object"'.format(o.name))
  49                         # XXX Parent relationships screw up the location and rotation
  50                         out_file.write("position", o.location[0], o.location[1], o.location[2])
  51                         if o.rotation_mode=="AXIS_ANGLE":
  52                                 angle = o.rotation_axis_angle[0]
  53                                 axis = o.rotation_axis_angle[1:]
  54                         else:
  55                                 if o.rotation_mode=="QUATERNION":
  56                                         q = o.rotation_quaternion
  57                                 else:
  58                                         q = o.rotation_euler.to_quaternion()
  59                                 angle = q.angle
  60                                 axis = q.axis
  61                         out_file.write("rotation", angle*180/math.pi, axis[0], axis[1], axis[2])
  62                         out_file.write("scale", o.scale[0], o.scale[1], o.scale[2])
  63                         out_file.end();