fix computation time calculation

battlesnake/src/logic.rs

@@ -121,25 +121,14 @@ pub fn get_move(game: &Game, turn: i32, board: &Board, you: &Battlesnake) -> Opt
     }
 
     // do some latency compensation
-    let deadline = start
-        + game_info.calculation_time.lock().map_or_else(
-            |_| Duration::from_millis(u64::from(game.timeout) / 2),
-            |mut guard| {
-                let new_duration = *guard
-                    + Duration::from_millis(
-                        u64::from(game.timeout) * 7 / 8
-                            - you
-                                .latency
-                                .parse()
-                                .unwrap_or(u64::from(game.timeout) * 7 / 8),
-                    );
-                *guard = new_duration.clamp(
-                    Duration::from_millis(1),
-                    Duration::from_millis(u64::from(game.timeout) * 7 / 8),
-                );
-                *guard
-            },
-        );
+    let latency = you.latency.parse().unwrap_or_else(|e| {
+        error!("Unable to parse latency: {e}");
+        game.timeout
+    }) + 100;
+    let target_latency = game.timeout * 3 / 4;
+    let computation_time = target_latency - latency;
+    let deadline =
+        start + Duration::from_millis(u64::from(computation_time.clamp(1, game.timeout)));
 
     let mut tree = Node::default();