refactor

src/Nexus.Bot/FlaskManager.cs

@@ -0,0 +1,56 @@
+using System.Diagnostics;
+using Nexus.Game;
+using Nexus.Screen;
+using Serilog;
+
+namespace Nexus.Bot;
+
+/// <summary>
+/// Monitors life/mana and presses flask keys when they drop below thresholds.
+/// Call <see cref="Tick"/> from any combat loop iteration.
+/// </summary>
+public class FlaskManager
+{
+    private const float LifeThreshold = 0.50f;
+    private const float ManaThreshold = 0.50f;
+    private const long CooldownMs = 4000;
+
+    // VK codes for number keys 1 and 2
+    private const int VK_1 = 0x31;
+    private const int VK_2 = 0x32;
+
+    private readonly IGameController _game;
+    private readonly HudReader _hudReader;
+    private readonly Stopwatch _sw = Stopwatch.StartNew();
+    private long _lastLifeFlaskMs = -CooldownMs;
+    private long _lastManaFlaskMs = -CooldownMs;
+
+    public FlaskManager(IGameController game, HudReader hudReader)
+    {
+        _game = game;
+        _hudReader = hudReader;
+    }
+
+    /// <summary>
+    /// Check life/mana and press flask keys if needed. Call every loop iteration.
+    /// </summary>
+    public async Task Tick()
+    {
+        var hud = _hudReader.Current;
+        var now = _sw.ElapsedMilliseconds;
+
+        if (hud.LifePct < LifeThreshold && now - _lastLifeFlaskMs >= CooldownMs)
+        {
+            Log.Debug("Life flask: {Life:P0} < {Threshold:P0}", hud.LifePct, LifeThreshold);
+            await _game.PressKey(VK_1);
+            _lastLifeFlaskMs = now;
+        }
+
+        if (hud.ManaPct < ManaThreshold && now - _lastManaFlaskMs >= CooldownMs)
+        {
+            Log.Debug("Mana flask: {Mana:P0} < {Threshold:P0}", hud.ManaPct, ManaThreshold);
+            await _game.PressKey(VK_2);
+            _lastManaFlaskMs = now;
+        }
+    }
+}