content: # Hunyuan 3D is licensed under the TENCENT HUNYUAN NON-COMMERCIAL LICENSE AGREEMENT
  # except for the third-party components listed below.
  # Hunyuan 3D does not impose any additional limitations beyond what is outlined
  # in the repsective licenses of these third-party components.
  # Users must comply with all terms and conditions of original licenses of these third-party
  # components and must ensure that the usage of the third party components adheres to
  # all relevant laws and regulations.
  
  # For avoidance of doubts, Hunyuan 3D means the large language models and
  # their software and algorithms, including trained model weights, parameters (including
  # optimizer states), machine-learning model code, inference-enabling code, training-enabling code,
  # fine-tuning enabling code and other elements of the foregoing made publicly available
  # by Tencent in accordance with TENCENT HUNYUAN COMMUNITY LICENSE AGREEMENT.
  
  import trimesh
  
  
  def load_mesh(mesh):
      vtx_pos = mesh.vertices if hasattr(mesh, 'vertices') else None
      pos_idx = mesh.faces if hasattr(mesh, 'faces') else None
  
      vtx_uv = mesh.visual.uv if hasattr(mesh.visual, 'uv') else None
      uv_idx = mesh.faces if hasattr(mesh, 'faces') else None
  
      texture_data = None
  
      return vtx_pos, pos_idx, vtx_uv, uv_idx, texture_data
  
  
  def save_mesh(mesh, texture_data):
      material = trimesh.visual.texture.SimpleMaterial(image=texture_data, diffuse=(255, 255, 255))
      texture_visuals = trimesh.visual.TextureVisuals(uv=mesh.visual.uv, image=texture_data, material=material)
      mesh.visual = texture_visuals
      return mesh
  