add modifier assignment priority

MiraAPI/Modifiers/ModifierManager.cs

@@ -97,6 +97,21 @@ public static class ModifierManager
         }
 
         var shuffledModifiers = filteredModifiers.Randomize();
+        var map = new Dictionary<uint, int>();
+
+        foreach (var id in shuffledModifiers)
+        {
+            if (Activator.CreateInstance(IdToTypeModifierMap[id]) is not GameModifier mod)
+            {
+                Logger<MiraApiPlugin>.Error($"Failed to create instance of {IdToTypeModifierMap[id].Name}");
+                continue;
+            }
+
+            map[id] = mod.Priority();
+        }
+
+        shuffledModifiers = map.OrderByDescending(x => x.Value).Select(x => x.Key).ToList();
+
         if (shuffledModifiers.Count > plrs.Count)
         {
             shuffledModifiers = shuffledModifiers.GetRange(0, plrs.Count);

MiraAPI/Modifiers/Types/GameModifier.cs

@@ -17,6 +17,12 @@ public abstract class GameModifier : BaseModifier
     /// <returns>An int value greater than or equal to zero.</returns>
     public abstract int GetAmountPerGame();
 
+    /// <summary>
+    /// Gets the priority at which the modifier will spawn. The higher the value, the higher up on the assignment list.
+    /// </summary>
+    /// <returns>An int value greater than or equal to -1.</returns>
+    public virtual int Priority() => -1;
+
     /// <summary>
     /// Determines whether the modifier is valid on a role.
     /// </summary>
@@ -27,6 +33,7 @@ public abstract class GameModifier : BaseModifier
     /// <summary>
     /// Determines whether the player won the game with this modifier.
     /// </summary>
+    /// <param name="reason">The reason why the game ended.</param>
     /// <returns>True if the player won, false if they lost. Return null to use the player's default win condition.</returns>
     public virtual bool? DidWin(GameOverReason reason) => null;
 }