import bpy
import os

mesh = bpy.context.active_object.data

selected_faces = [polygon.index for polygon in mesh.polygons if polygon.select]

output_lines = ["详细信息:"]
    
for face_idx in selected_faces[:10]:  # 只显示前10个
    face = mesh.polygons[face_idx]
    output_lines.append(f"  面 {face_idx}: 顶点数={len(face.vertices)}, ={face.area:.4f}")    

text_name = f"selected_faces_report"

# 删除已存在的同名文本数据块
if text_name in bpy.data.texts:
    bpy.data.texts.remove(bpy.data.texts[text_name])

text_block = bpy.data.texts.new(text_name)
for line in output_lines:
    text_block.write(line + "\n")
    
save_dir = "/home/algo/Documents/openMVS/data/446442/out.446442"
os.makedirs(save_dir, exist_ok=True)

file_path = os.path.join(save_dir, "_test_faces.txt")

with open(file_path, 'w') as f:
    for face_index in selected_faces:
        f.write(f"{face_index}\n")
        
print(f"面片索引已保存到: {file_path}")