PSOPacketData::from_bytes needs + Seek

psopacket/src/lib.rs

@@ -529,7 +529,7 @@ pub fn pso_packet_data(input: TokenStream) -> TokenStream {
 
     let impl_pso_data_packet = quote! {
         impl PSOPacketData for #name {
-            fn from_bytes<R: std::io::Read>(mut cur: &mut R) -> Result<Self, PacketParseError> {
+            fn from_bytes<R: std::io::Read + std::io::Seek>(mut cur: &mut R) -> Result<Self, PacketParseError> {
                 Ok(#name {
                     #(#from_bytes)*
                 })

src/lib.rs

@@ -7,7 +7,7 @@ pub mod packet;
 pub mod character;
 pub mod util;
 
-use std::io::Read;
+use std::io::{Read, Seek};
 #[derive(Debug, PartialEq)]
 pub enum PacketParseError {
     NotEnoughBytes,
@@ -21,7 +21,7 @@ pub enum PacketParseError {
 
 trait PSOPacketData {
     //fn size(&self) -> usize;
-    fn from_bytes<R: Read>(cursor: &mut R) -> Result<Self, PacketParseError> where Self: Sized;
+    fn from_bytes<R: Read + Seek>(cursor: &mut R) -> Result<Self, PacketParseError> where Self: Sized;
     fn as_bytes(&self) -> Vec<u8>;
 }