我其实不太确定这玩意能不能用（

mods/dr_game/Difficult_Rocket_rs/src/src/python/data.rs

@@ -206,6 +206,42 @@ impl PySR1PartData {
     }
 }
 
+#[pyclass]
+#[derive(Clone, Debug)]
+#[pyo3(name = "SR1PartTypeArrayIterator_rs")]
+pub struct PySR1PartDataIterator {
+    pub datas: Vec<(PySR1PartType, PySR1PartData)>,
+    pub index: usize,
+}
+
+#[pymethods]
+impl PySR1PartDataIterator {
+    fn __next__(mut slf: PyRefMut<'_, Self>) -> Option<(PySR1PartType, PySR1PartData)> {
+        if slf.index < slf.datas.len() {
+            slf.index += 1;
+            Some(slf.datas[slf.index - 1].clone())
+        } else {
+            None
+        }
+    }
+}
+
+/// 用来存一堆 PartData 的数组
+#[pyclass]
+#[derive(Clone, Debug)]
+#[pyo3(name = "SR1PartArray_rs")]
+pub struct PySR1PartArray {
+    pub datas: Vec<(PySR1PartType, PySR1PartData)>,
+    pub part_list: SR1PartList,
+}
+
+#[pymethods]
+impl PySR1PartArray {
+    fn __iter__(&self) -> PySR1PartDataIterator {
+        PySR1PartDataIterator { datas: self.datas.clone(), index: 0 }
+    }
+}
+
 #[pyclass]
 #[derive(Clone, Debug)]
 #[pyo3(name = "SR1Ship_rs")]
@@ -233,6 +269,18 @@ impl PySR1Ship {
         }
     }
 
+    fn parts(&self) -> PySR1PartArray {
+        let mut parts: Vec<(PySR1PartType, PySR1PartData)> = Vec::new();
+        for part_data in self.ship.parts.iter() {
+            if let Some(part_type) = self.part_list.get_part_type(&part_data.part_type_id) {
+                let part_type = PySR1PartType::new(part_type.clone());
+                let py_part_data = PySR1PartData::new(part_data.clone());
+                parts.push((part_type, py_part_data));
+            }
+        }
+        PySR1PartArray { datas: parts, part_list: self.part_list.clone() }
+    }
+
     #[getter]
     fn get_img_pos(&self) -> (i64, i64, i64, i64) {
         // -x, -y, +x, +y

mods/dr_game/Difficult_Rocket_rs/src/src/sr1_parse.rs

@@ -881,7 +881,6 @@ impl SR1Ship {
 
         fn write_data(data: &SR1Ship, save_status: &SaveStatus) -> String {
             let mut writer: Writer<Cursor<Vec<u8>>> = Writer::new(Cursor::new(Vec::new()));
-
             {
                 // ship attr
                 let mut ship_elem = BytesStart::new("Ship");