tools/ode_convex_export.py

   1 #!BPY
   2 """
   3 Name: 'ODE Convex...'
   4 Blender: 244
   5 Group: 'Export'
   6 Tooltip: 'Export to Open Dynamics.'
   7 """
   8 __author__ = "Rodrigo Hernandez"
   9 __url__ = ("http://www.ode.org")
  10 __version__ = "0.1"
  11 __bpydoc__ = """\
  12 ODE Convex Exporter
  13 This script Exports a Blender scene as a series of ODE Convex Geom data stored in a C header file.
  14 """
  15 import Blender
  16 import bpy
  17 #import struct
  18
  19 def WriteMesh(file,ob):
  20         mesh = ob.getData(mesh=1)
  21         # Write Point Count
  22         file.write("unsigned int %s_pointcount = %d;\n" % (ob.getName(),len(mesh.verts)))
  23         # Write Plane Count
  24         file.write("unsigned int %s_planecount = %d;\n" % (ob.getName(),len(mesh.faces)))
  25         # Write Points
  26         file.write("dReal %s_points[%d]={\n" % (ob.getName(),(len(mesh.verts)*3)))
  27         for vert in mesh.verts:
  28                 if vert.index==(len(mesh.verts)-1):
  29                         file.write("%f,%f,%f\n};\n" % (vert.co[0],vert.co[1],vert.co[2]))
  30                 else:
  31                         file.write("%f,%f,%f,\n" % (vert.co[0],vert.co[1],vert.co[2]))
  32         # Write Polygons
  33         file.write("unsigned int %s_polygons[]={\n" % ob.getName())
  34         for face in mesh.faces:
  35                 file.write("%d," % len(face.verts))
  36                 for vert in face.verts:
  37                         file.write("%d," % vert.index)
  38                 if face.index==(len(mesh.faces)-1):
  39                         file.write("\n};\n");
  40                 else:
  41                         file.write("\n");
  42         # Write Planes
  43         file.write("dReal %s_planes[]={\n" % ob.getName())
  44         for face in mesh.faces:
  45                 # d calculated separatelly for code readability
  46                 d = face.no[0]*face.verts[0].co[0]+face.no[1]*face.verts[0].co[1]+face.no[2]*face.verts[0].co[2]
  47                 file.write("%f,%f,%f,%f,\n" % (face.no[0],face.no[1],face.no[2],d))
  48         file.write("};\n");
  49
  50 # Entry Point
  51 sce = bpy.data.scenes.active
  52 in_editmode = Blender.Window.EditMode()
  53 if in_editmode: Blender.Window.EditMode(0)
  54 file = open("convex.h",mode='wt')
  55 for ob in sce.objects:
  56         if ob.getType()=='Mesh':
  57                 WriteMesh(file,ob)
  58 file.close()
  59 if in_editmode:
  60         Blender.Window.EditMode(1)
  61 print "ODE Export Done"