move bits

Author: 2278535805

prpr/src/bin.rs

@@ -460,17 +460,17 @@ impl BinaryData for JudgeLine {
 
 impl BinaryData for ChartSettings {
     fn read_binary<R: Read>(r: &mut BinaryReader<R>) -> Result<Self> {
+        let pe_byte = r.read::<u8>()?;
         Ok(Self {
-            pe_alpha_extension: r.read::<u8>()? == 1,
+            pe_alpha_extension: pe_byte & 1 != 0,
             hold_partial_cover: r.read::<u8>()? == 1,
-            line_reference_y_axis: r.read::<u8>()? == 1,
+            line_reference_y_axis: pe_byte >> 1 & 1 != 0,
         })
     }
 
     fn write_binary<W: Write>(&self, w: &mut BinaryWriter<W>) -> Result<()> {
-        w.write_val(self.pe_alpha_extension as u8)?;
+        w.write_val((self.pe_alpha_extension as u8) | ((self.line_reference_y_axis as u8) << 1))?;
         w.write_val(self.hold_partial_cover as u8)?;
-        w.write_val(self.line_reference_y_axis as u8)?;
         Ok(())
     }
 }