[Protocol] Replace some usage of remaining_length with the more appropiate is_remaining_empty

src/games/jc2mp.rs

@@ -64,7 +64,7 @@ fn parse_players_and_teams(packet: Vec<u8>) -> GDResult<Vec<Player>> {
     let count = buf.get_u16()?;
     let mut players = Vec::with_capacity(count as usize);
 
-    while buf.remaining_length() > 0 {
+    while !buf.is_remaining_empty() {
         players.push(Player {
             name: buf.get_string_utf8()?,
             steam_id: buf.get_string_utf8()?,

src/protocols/gamespy/protocols/three/protocol.rs

@@ -174,7 +174,7 @@ pub(crate) fn data_to_map(packet: &[u8]) -> GDResult<(HashMap<String, String>, V
     let mut vars = HashMap::new();
 
     let mut buf = Bufferer::new_with_data(Endianess::Big, packet);
-    while buf.remaining_length() > 0 {
+    while !buf.is_remaining_empty() {
         let key = buf.get_string_utf8()?;
         if key.is_empty() {
             break;
@@ -214,7 +214,7 @@ fn parse_players_and_teams(packets: Vec<Vec<u8>>) -> GDResult<(Vec<Player>, Vec<
     for packet in packets {
         let mut buf = Bufferer::new_with_data(Endianess::Little, &packet);
 
-        while buf.remaining_length() > 0 {
+        while !buf.is_remaining_empty() {
             if buf.get_u8()? < 3 {
                 continue;
             }
@@ -255,7 +255,7 @@ fn parse_players_and_teams(packets: Vec<Vec<u8>>) -> GDResult<(Vec<Player>, Vec<
                 false => &mut teams_data,
             };
 
-            while buf.remaining_length() > 0 {
+            while !buf.is_remaining_empty() {
                 let item = buf.get_string_utf8()?;
                 if item.is_empty() {
                     break;

src/protocols/gamespy/protocols/two/protocol.rs

@@ -94,7 +94,7 @@ fn get_server_vars(bufferer: &mut Bufferer) -> GDResult<HashMap<String, String>>
     let mut values = HashMap::new();
 
     let mut done_processing_vars = false;
-    while !done_processing_vars && bufferer.remaining_length() > 0 {
+    while !done_processing_vars && !bufferer.is_remaining_empty() {
         let key = bufferer.get_string_utf8()?;
         let value = bufferer.get_string_utf8_optional()?;
 

src/services/valve_master_server/service.rs

@@ -70,7 +70,7 @@ impl ValveMasterServer {
         }
 
         let mut ips: Vec<(IpAddr, u16)> = Vec::new();
-        while buf.remaining_length() > 0 {
+        while !buf.is_remaining_empty() {
             let ip = IpAddr::V4(Ipv4Addr::new(
                 buf.get_u8()?,
                 buf.get_u8()?,