Add NotificationManager and NotificationLabel for age advancement notifications; refactor scripts into Components directory

Scripts/Components/ForestVisualizer.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Godot;
+using ParasiticGod.Scripts.Core;
+using ParasiticGod.Scripts.Singletons;
+
+namespace ParasiticGod.Scripts.Components;
+
+[GlobalClass]
+public partial class ForestVisualizer : Node
+{
+    [Export] private Node2D _treesContainer;
+    
+    private List<Node2D> _trees = [];
+    private int _lastKnownTreesToShow = -1;
+    private bool _isUpdating = false;
+    
+    public override void _Ready()
+    {
+        foreach (var child in _treesContainer.GetChildren())
+        {
+            if (child is Node2D tree)
+            {
+                _trees.Add(tree);
+            }
+        }
+
+        var rng = new RandomNumberGenerator();
+        rng.Randomize();
+        _trees = _trees.OrderBy(_ => Guid.NewGuid()).ToList();
+
+        GameBus.Instance.StateChanged += OnStateChanged;
+    }
+
+    public override void _ExitTree()
+    {
+        GameBus.Instance.StateChanged -= OnStateChanged;
+    }
+
+    private void OnStateChanged(GameState newState)
+    {
+        if (_isUpdating) return;
+        
+        var corruptionRatio = newState.Get(Stat.Corruption) / 100.0;
+        var treesToShow = (int)(_trees.Count * (1.0 - corruptionRatio));
+
+        if (treesToShow != _lastKnownTreesToShow)
+        {
+            UpdateForestProgressively(treesToShow);
+        }
+    }
+
+    private async void UpdateForestProgressively(int treesToShow)
+    {
+        _isUpdating = true;
+
+        for (var i = 0; i < _trees.Count; i++)
+        {
+            var tree = _trees[i];
+            var shouldBeVisible = i < treesToShow;
+            var needsChange = tree.Visible != shouldBeVisible;
+
+            if (needsChange)
+            {
+                tree.Visible = shouldBeVisible;
+                await ToSignal(GetTree().CreateTimer(0.01f), SceneTreeTimer.SignalName.Timeout);
+            }
+        }
+
+        _lastKnownTreesToShow = treesToShow;
+        _isUpdating = false;
+    }
+}