diff -r 6843c4551cde -r 06672690d71b rust/hedgewars-server/src/server/client.rs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rust/hedgewars-server/src/server/client.rs	Mon Dec 10 22:44:46 2018 +0100
@@ -0,0 +1,68 @@
+use super::coretypes::ClientId;
+use bitflags::*;
+
+bitflags!{
+    pub struct ClientFlags: u8 {
+        const IS_ADMIN = 0b0000_0001;
+        const IS_MASTER = 0b0000_0010;
+        const IS_READY = 0b0000_0100;
+        const IS_IN_GAME = 0b0000_1000;
+        const IS_JOINED_MID_GAME = 0b0001_0000;
+        const IS_CHECKER = 0b0010_0000;
+
+        const NONE = 0b0000_0000;
+        const DEFAULT = Self::NONE.bits;
+    }
+}
+
+pub struct HWClient {
+    pub id: ClientId,
+    pub room_id: Option<usize>,
+    pub nick: String,
+    pub web_password: String,
+    pub server_salt: String,
+    pub protocol_number: u16,
+    pub flags: ClientFlags,
+    pub teams_in_game: u8,
+    pub team_indices: Vec<u8>,
+    pub clan: Option<u8>
+}
+
+impl HWClient {
+    pub fn new(id: ClientId, salt: String) -> HWClient {
+        HWClient {
+            id,
+            room_id: None,
+            nick: String::new(),
+            web_password: String::new(),
+            server_salt: salt,
+            protocol_number: 0,
+            flags: ClientFlags::DEFAULT,
+            teams_in_game: 0,
+            team_indices: Vec::new(),
+            clan: None,
+        }
+    }
+
+    fn contains(& self, mask: ClientFlags) -> bool {
+        self.flags.contains(mask)
+    }
+
+    fn set(&mut self, mask: ClientFlags, value: bool) {
+        self.flags.set(mask, value);
+    }
+
+    pub fn is_admin(&self)-> bool { self.contains(ClientFlags::IS_ADMIN) }
+    pub fn is_master(&self)-> bool { self.contains(ClientFlags::IS_MASTER) }
+    pub fn is_ready(&self)-> bool { self.contains(ClientFlags::IS_READY) }
+    pub fn is_in_game(&self)-> bool { self.contains(ClientFlags::IS_IN_GAME) }
+    pub fn is_joined_mid_game(&self)-> bool { self.contains(ClientFlags::IS_JOINED_MID_GAME) }
+    pub fn is_checker(&self)-> bool { self.contains(ClientFlags::IS_CHECKER) }
+
+    pub fn set_is_admin(&mut self, value: bool) { self.set(ClientFlags::IS_ADMIN, value) }
+    pub fn set_is_master(&mut self, value: bool) { self.set(ClientFlags::IS_MASTER, value) }
+    pub fn set_is_ready(&mut self, value: bool) { self.set(ClientFlags::IS_READY, value) }
+    pub fn set_is_in_game(&mut self, value: bool) { self.set(ClientFlags::IS_IN_GAME, value) }
+    pub fn set_is_joined_mid_game(&mut self, value: bool) { self.set(ClientFlags::IS_JOINED_MID_GAME, value) }
+    pub fn set_is_checker(&mut self, value: bool) { self.set(ClientFlags::IS_CHECKER, value) }
+}
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