Fix flee odds being incorrect

PkmnLib.Dynamic/BattleFlow/TurnRunner.cs

@@ -162,10 +162,14 @@ public static class TurnRunner
         }
 
         if (!battle.Library.MiscLibrary.CanFlee(battle, fleeChoice))
+        {
+            battle.EventHook.Invoke(new FleeEvent(user, false));
             return;
+        }
 
         var userSide = battle.Sides[battleData.SideIndex];
         userSide.MarkAsFled();
+        battle.EventHook.Invoke(new FleeEvent(user, true));
         battle.ValidateBattleState();
     }
 

PkmnLib.Dynamic/Events/FleeEvent.cs

@@ -0,0 +1,29 @@
+using PkmnLib.Dynamic.Models;
+
+namespace PkmnLib.Dynamic.Events;
+
+/// <summary>
+/// Event data for when a Pokémon attempts to flee from battle. Indicates which Pokémon attempted to flee and whether the attempt was successful.
+/// </summary>
+public class FleeEvent : IEventData
+{
+    /// <inheritdoc cref="FleeEvent"/>
+    public FleeEvent(IPokemon pokemon, bool success)
+    {
+        Pokemon = pokemon;
+        Success = success;
+    }
+
+    /// <summary>
+    /// The Pokémon that attempted to flee.
+    /// </summary>
+    public IPokemon Pokemon { get; }
+
+    /// <summary>
+    /// Indicates whether the flee attempt was successful.
+    /// </summary>
+    public bool Success { get; }
+
+    /// <inheritdoc />
+    public EventBatchId BatchId { get; init; }
+}

Plugins/PkmnLib.Plugin.Gen7/Libraries/Battling/Gen7MiscLibrary.cs

@@ -55,8 +55,8 @@ public class Gen7MiscLibrary : IMiscLibrary
         var userSide = battle.Sides[battleData.SideIndex];
 
         userSide.RegisterFleeAttempt();
-        var fleeChance = (userSpeed * 32 / (opponentSpeed / 4) + 30 * userSide.FleeAttempts) / 256;
+        var fleeChance = userSpeed * 32 / (opponentSpeed / 4) + 30 * userSide.FleeAttempts;
-        var random = battle.Random.GetInt(0, 100);
+        var random = battle.Random.GetInt(0, 256);
         return random < fleeChance;
     }
 }