[Games] Add Hell Let Loose support.

src/games/hll.rs

@@ -0,0 +1,17 @@
+use std::net::IpAddr;
+use crate::{
+    protocols::valve::{self, game, SteamApp},
+    GDResult,
+};
+
+pub fn query(address: &IpAddr, port: Option<u16>) -> GDResult<game::Response> {
+    let valve_response = valve::query(
+        address,
+        port.unwrap_or(26420),
+        SteamApp::HLL.as_engine(),
+        None,
+        None,
+    )?;
+
+    Ok(game::Response::new_from_valve_response(valve_response))
+}

src/games/mod.rs

@@ -100,3 +100,5 @@ pub mod quake2;
 pub mod quake1;
 /// Quake 3: Arena
 pub mod quake3a;
+/// Hell Let Loose
+pub mod hll;

src/protocols/valve/types.rs

@@ -308,6 +308,8 @@ pub enum SteamApp {
     ONSET,
     /// V Rising
     VR,
+    /// Hell Let Loose
+    HLL,
 }
 
 impl SteamApp {
@@ -355,6 +357,7 @@ impl SteamApp {
             SteamApp::OHD => Engine::new_source_with_dedicated(736590, 950900),
             SteamApp::ONSET => Engine::new_source(1105810),
             SteamApp::VR => Engine::new_source(1604030),
+            SteamApp::HLL => Engine::new_source(686810),
         }
     }
 }