Send empty ModList packet

Author: iceiix

src/server/mod.rs

@@ -692,6 +692,8 @@ impl Server {
 
                         self.write_plugin_message("REGISTER", "FML|HS\0FML\0FML|MP\0FML\0FORGE".as_bytes());
                         self.write_plugin_message("FML|HS", &plugin_messages::FmlHs::ClientHello { fml_protocol_version }.as_message());
+                        let mods: HashMap<&str, &str> = HashMap::new();
+                        self.write_plugin_message("FML|HS", &plugin_messages::FmlHs::ModList { mods }.as_message());
                     },
                     _ => (),
                 }

src/server/plugin_messages.rs

@@ -4,6 +4,7 @@ use std::collections::HashMap;
 use crate::protocol::Serializable;
 use crate::protocol::packet::play::serverbound::PluginMessageServerbound;
 use crate::protocol::packet::play::serverbound::PluginMessageServerbound_i16;
+use crate::protocol::VarInt;
 
 #[derive(Debug)]
 pub enum FmlHs<'a> {
@@ -36,6 +37,14 @@ impl<'a> FmlHs<'a> {
             FmlHs::ClientHello { fml_protocol_version } => {
                 vec![1, *fml_protocol_version as u8]
             },
+            FmlHs::ModList { mods } => {
+                let mut buf = vec![2];
+                let number_of_mods = VarInt(mods.len() as i32);
+                number_of_mods.write_to(&mut buf).unwrap();
+                // TODO: write mods
+
+                buf
+            },
             _ => unimplemented!()
         }
     }