fix chart reading, scroll chart notes!

Scripts/Data/Chart/Chart.cs

@@ -13,7 +13,6 @@ namespace WacK.Data.Chart
     /// </summary>
     public class Chart
     {
-        public static bool doneLoading { get; private set; } = false;
         // Key of dictionaries are in milliseconds
         // List is for chords
         public SortedList<float, List<NotePlay>> playNotes { get; private set; }
@@ -23,7 +22,6 @@ namespace WacK.Data.Chart
 
         public Chart(string chartPath)
         {
-            doneLoading = false;
 			var file = FileAccess.Open(chartPath, FileAccess.ModeFlags.Read);
             if (file == null)
             {
@@ -35,8 +33,6 @@ namespace WacK.Data.Chart
 
             var mer = new Mer.Mer(str);
             Load(mer);
-            
-            doneLoading = true;
         }
 
         // place notes and events relative to the previous

Scripts/Scenes/Play.cs

@@ -1,6 +1,8 @@
+using System.Reflection.PortableExecutable;
 using Godot;
 using WacK.Data.Chart;
 using WacK.Data.Mer;
+using WacK.Things.TunnelObjects;
 
 namespace WacK.Scenes
 {
@@ -24,13 +26,55 @@ namespace WacK.Scenes
 		// initialized by another scene, BEFORE loading this one!
 		public static PlayParameters playParams;
 
+		// TunnelObjects we can instantiate
+		public static PackedScene notePlay = GD.Load<PackedScene>("res://Things/TunnelObjects/Notes/NoteTouch.tscn");
+
+		[Export]
+		public Control noteDisplay;
+
 		private Chart chart;
 
 		public override void _Ready()
 		{ 
+			// parse mer and create chart for current play
 			chart = new(playParams.chartPath);
-		} 
-		private void OnDestroy()
+			RealizeChart();
+		}
+
+		/// <summary>
+		/// Instantiates necessary notes onto the noteDisplay for the player to see.
+		/// </summary>
+		private void RealizeChart()
+		{	
+			foreach (var msNote in chart.playNotes)
+			{
+				GD.Print(msNote.Key);
+				foreach (var note in msNote.Value)
+				{
+					THNotePlay nNote;
+					switch (note)
+					{
+						default: // tap note
+							nNote = notePlay.Instantiate<THNotePlay>();
+							break;
+					}
+					nNote.Init(note);
+					var nPos = nNote.Position;
+					nPos.Y = msNote.Key * -1000;
+					nNote.Position = nPos;
+					noteDisplay.AddChild(nNote);
+				}
+			}
+		}
+
+        public override void _Process(double delta)
+        {
+			var nPos = noteDisplay.Position;
+			nPos.Y += (float)delta * 1000;
+			noteDisplay.Position = nPos;
+        }
+
+        private void OnDestroy()
 		{
 			playParams = null;
 		}

Scripts/Things/TunnelObjects/THNoteHold.cs

@@ -0,0 +1,16 @@
+using Godot;
+using WacK.Data.Chart;
+
+namespace WacK.Things.TunnelObjects
+{
+	public partial class THNoteHold : THNotePlay
+	{
+		public new NoteHold noteData;
+
+        public void Init(NoteHold noteData)
+		{
+			base.Init(noteData);
+			this.noteData = noteData;
+		}
+    }
+}

Scripts/Things/TunnelObjects/THNotePlay.cs

@@ -0,0 +1,28 @@
+using Godot;
+using WacK.Data.Chart;
+
+namespace WacK.Things.TunnelObjects
+{
+	public partial class THNotePlay : Control
+	{
+		public NotePlay noteData;
+		
+		public void Init(NotePlay noteData)
+		{
+			this.noteData = noteData;
+			SetSizePos((int)noteData.position, (int)noteData.size);
+		}
+		
+		public void SetSizePos(int pos, int size)
+		{
+			// TODO: pos + size >= 60
+			var nPos = Position;
+			nPos.X = pos * (1920f/60) - 12;
+			Position = nPos;
+
+			var nSize = Size;
+			nSize.X = size * (1920f/60) + 24;
+			Size = nSize;
+		}
+	}
+}