Implement miracle unlock management and update tooltip logic for MiracleButton

Scenes/Main/MiracleButton.cs

@@ -2,6 +2,7 @@ using System.Collections.Generic;
 using System.Linq;
 using Godot;
 using ParasiticGod.Scripts.Core;
+using ParasiticGod.Scripts.Core.Effects;
 using ParasiticGod.Scripts.Singletons;
 
 namespace ParasiticGod.Scenes.Main;
@@ -79,6 +80,11 @@ public partial class MiracleButton : Button
         {
             missingRequirements.Add($"Not enough Production ({state.Get(Stat.Production):F0} / {_miracle.ProductionRequired})");
         }
+        
+        if (AreAllUnlocksAlreadyPresent(state))
+        {
+            missingRequirements.Add("Already unlocked subsequent powers.");
+        }
 
         if (missingRequirements.Any())
         {
@@ -127,4 +133,16 @@ public partial class MiracleButton : Button
         }
         return tooltip.TrimEnd();
     }
+    
+    private bool AreAllUnlocksAlreadyPresent(GameState state)
+    {
+        var unlockEffect = _miracle.Effects.OfType<UnlockMiracleEffect>().FirstOrDefault();
+        
+        if (unlockEffect == null || unlockEffect.MiraclesToUnlock.Count == 0)
+        {
+            return false;
+        }
+
+        return unlockEffect.MiraclesToUnlock.All(state.IsMiracleUnlocked);
+    }
 }

Scenes/Main/MiraclePanel.cs

@@ -27,6 +27,7 @@ public partial class MiraclePanel : GridContainer
         {
             if (miracle.UnlockedByDefault)
             {
+                GameBus.Instance.CurrentState.AddUnlockedMiracle(miracle.Id);
                 AddButtonForMiracle(miracle);
             }
         }

Scripts/Core/GameState.cs

@@ -7,7 +7,7 @@ namespace ParasiticGod.Scripts.Core;
 public class GameState
 {
     private readonly Dictionary<Stat, StatData> _stats = new();
-    private readonly Dictionary<string, MiracleDefinition> _miraclesInHand = new();
+    private readonly HashSet<string> _unlockedMiracleIds = [];
     
     public List<Buff> ActiveBuffs { get; } = [];
     
@@ -36,5 +36,7 @@ public class GameState
     
     public void Unsubscribe(Stat stat, Action<double> listener) => _stats[stat].OnChanged -= listener;
     
-    public Dictionary<string, MiracleDefinition> MiraclesInHand() => _miraclesInHand;
+    public bool IsMiracleUnlocked(string miracleId) => _unlockedMiracleIds.Contains(miracleId);
+    public void AddUnlockedMiracle(string miracleId) => _unlockedMiracleIds.Add(miracleId);
+    public void RemoveUnlockedMiracle(string miracleId) => _unlockedMiracleIds.Remove(miracleId);
 }

Scripts/Singletons/GameBus.cs

@@ -63,18 +63,17 @@ public partial class GameBus : Node
                 {
                     foreach (var id in unlockEffect.MiraclesToUnlock)
                     {
-                        if (AllMiracles.TryGetValue(id, out var def))
+                        if (AllMiracles.TryGetValue(id, out var def) && !_gameState.IsMiracleUnlocked(id))
                         {
-                            if (miraclesToUnlock.Contains(def) || _gameState.MiraclesInHand().ContainsKey(id)) continue;
                             miraclesToUnlock.Add(def);
-                            _gameState.MiraclesInHand().Add(id, def);
+                            _gameState.AddUnlockedMiracle(id);
                         }
                     }
                 }
                 else if (effect is DestroySelfEffect)
                 {
                     MiracleCompleted?.Invoke(miracle);
-                    _gameState.MiraclesInHand().Remove(miracle.Id);
+                    _gameState.RemoveUnlockedMiracle(miracle.Id);
                 }
             }