VertexWeightExport

A blender 2.8+ plugin to export vertex weights from painted meshes
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__init__.py (2038B)

      1 # My first python file
      2 # bpy.ops.wm.addon_expand(module="io_vertex_weight")
      3 
      4 import bpy
      5 
      6 bl_info = {
      7     "name": "Vertex Weight Export",
      8     "author": "Harrison Andrews",
      9     "description": "An ascii exporter that stores just a meshs's vertex weights to their skeleton",
     10     "location": "File > Import-Export",
     11     "version": (2, 0),
     12     "blender": (2, 81, 6),
     13     "warning": "", # used for warning icon and text in addons panel
     14     "category": "Import-Export",
     15     "support": 'COMMUNITY',
     16 }
     17 
     18 from bpy_extras.io_utils import (ExportHelper,
     19                                  ImportHelper,
     20                                  path_reference_mode,
     21                                  axis_conversion,
     22                                  )
     23 
     24 def writefile(self):
     25 
     26     filename = self.filepath
     27     out = open(filename, 'w')
     28     sce = bpy.data.scenes[0]
     29     mesh = bpy.data.meshes[0]
     30     out.write("#Harry's Vertex Weight Export Version 2.0\n\n")
     31 
     32     for vert in mesh.vertices:
     33         out.write("w")
     34 
     35         for i in range(0,4):
     36             try:
     37                 out.write(" %i %f" % (vert.groups[i].group,vert.groups[i].weight))
     38             except:
     39                 out.write(" %i %f" % (0,0))
     40         out.write("\n")
     41 
     42     out.close()
     43 
     44 
     45 class ExportWeights(bpy.types.Operator, ExportHelper):
     46     
     47     bl_idname = "export_weights.hvw" 
     48     bl_label = 'Vertex Weight Export'
     49     bl_options = {'PRESET'}
     50 
     51     filename_ext = ".hvw"
     52 
     53     def execute(self, context):
     54         bpy.ops.object.vertex_group_normalize_all()
     55         writefile(self)      
     56         return {'FINISHED'}
     57 
     58 def menu_func_export(self, context):
     59     self.layout.operator(ExportWeights.bl_idname, text="Harry Vertex Weight (.hvw)")
     60 
     61 def register():
     62     bpy.utils.register_class(ExportWeights)
     63     bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
     64 
     65 def unregister():
     66     bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
     67     bpy.utils.unregister_class(ExportWeights)
     68 
     69 if __name__ == "__main__":
     70     register()