Initial tweaks and fixes

Might have been an issue on my end:
ChartManager got disconnected from NoteManager

Author: LifeHckr

scenes/BattleDirector/NotePlacementBar.cs

@@ -18,6 +18,7 @@ public partial class NotePlacementBar : Node
     // Called when the node enters the scene tree for the first time.
     public override void _Ready()
     {
+        notePlacementBar.MaxValue = MaxValue;
         currentBarValue = 0;
         currentCombo = 0;
         comboMult = 1;

scenes/BattleDirector/NotePlacementBar.tscn

@@ -26,4 +26,12 @@ offset_left = 240.0
 offset_top = 50.0
 offset_right = 290.0
 offset_bottom = 85.0
+mouse_filter = 2
 text = "x1"
+context_menu_enabled = false
+shortcut_keys_enabled = false
+selecting_enabled = false
+deselect_on_focus_loss_enabled = false
+drag_and_drop_selection_enabled = false
+virtual_keyboard_enabled = false
+middle_mouse_paste_enabled = false

scenes/BattleDirector/test_battle_scene.tscn

@@ -5,10 +5,9 @@
 [ext_resource type="PackedScene" uid="uid://bgomxovxs7sr8" path="res://scenes/BattleDirector/HealthBar.tscn" id="3_pp0u0"]
 [ext_resource type="PackedScene" uid="uid://duhiilcv4tat3" path="res://scenes/BattleDirector/NotePlacementBar.tscn" id="4_y2yh3"]
 
-[node name="ProtoBattleDirector" type="Node2D" node_paths=PackedStringArray("CM", "NM")]
+[node name="ProtoBattleDirector" type="Node2D" node_paths=PackedStringArray("CM")]
 script = ExtResource("1_cwqqr")
 CM = NodePath("SubViewport")
-NM = NodePath("SubViewport/SubViewport/noteManager")
 
 [node name="SubViewport" parent="." instance=ExtResource("2_cupb3")]
 offset_left = 80.0