update to new bitreader

src/demo/message/mod.rs

@@ -0,0 +1,51 @@
+use enum_primitive_derive::Primitive;
+use num_traits::FromPrimitive;
+
+pub use generated::*;
+
+use crate::{Parse, ParseError, ParserState, Result, Stream};
+
+mod generated;
+
+#[derive(Primitive, Debug)]
+pub enum MessageType {
+    File = 2,
+    NetTick = 3,
+    StringCmd = 4,
+    SetConVar = 5,
+    SigOnState = 6,
+    Print = 7,
+    ServerInfo = 8,
+    ClassInfo = 10,
+    SetPause = 11,
+    CreateStringTable = 12,
+    UpdateStringTable = 13,
+    VoiceInit = 14,
+    VoiceData = 15,
+    ParseSounds = 17,
+    SetView = 18,
+    FixAngle = 19,
+    BspDecal = 21,
+    UserMessage = 23,
+    EntityMessage = 24,
+    GameEvent = 25,
+    PacketEntities = 26,
+    TempEntities = 27,
+    PreFetch = 28,
+    Menu = 29,
+    GameEventList = 30,
+    GetCvarValue = 31,
+    CmdKeyValues = 32,
+}
+
+impl Parse for MessageType {
+    fn parse(stream: &mut Stream, _state: &ParserState) -> Result<Self> {
+        let raw = stream.read_int(6)?;
+        let prop_type: Option<MessageType> = MessageType::from_u8(raw);
+        prop_type.ok_or(ParseError::InvalidMessageType(raw))
+    }
+
+    fn skip(stream: &mut Stream) -> Result<()> {
+        stream.skip(6).map_err(ParseError::from)
+    }
+}