misc: add alphanumeric support to DisplayUpdateEvent. Add DisplayUpdateEvent icon

Author: jsm174

Editor/Descriptors/DisplayUpdateEventUnitDescriptor.cs

@@ -25,7 +25,7 @@ public class DisplayUpdateEventUnitDescriptor : UnitDescriptor<DisplayUpdateEven
 	{
 		public DisplayUpdateEventUnitDescriptor(DisplayUpdateEventUnit target) : base(target) { }
 
-		protected override EditorTexture DefinedIcon() => EditorTexture.Single(Unity.Editor.Icons.UpdateDisplay);
+		protected override EditorTexture DefinedIcon() => EditorTexture.Single(Unity.Editor.Icons.DisplayUpdateEvent);
 
 		protected override void DefinedPort(IUnitPort port, UnitPortDescription desc)
 		{
@@ -36,6 +36,9 @@ protected override void DefinedPort(IUnitPort port, UnitPortDescription desc)
 				case nameof(DisplayUpdateEventUnit.NumericOutput):
 					desc.summary = "The numerical value of the display update.";
 					break;
+				case nameof(DisplayUpdateEventUnit.TextOutput):
+					desc.summary = "The text value of the display update.";
+					break;
 			}
 		}
 	}

Runtime/Nodes/Display/DisplayUpdateEventUnit.cs

@@ -17,6 +17,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Text;
 using Unity.VisualScripting;
 using UnityEngine;
 
@@ -36,6 +37,10 @@ public class DisplayUpdateEventUnit : GleEventUnit<DisplayUpdateEventArgs>
 		[PortLabel("Numeric")]
 		public ValueOutput NumericOutput { get; private set; }
 
+		[DoNotSerialize]
+		[PortLabel("Text")]
+		public ValueOutput TextOutput { get; private set; }
+
 		[DoNotSerialize]
 		protected override bool register => true;
 
@@ -46,10 +51,13 @@ protected override void Definition()
 			base.Definition();
 
 			if (Display != null) {
-				if (Display.Supports(DisplayFrameFormat.Numeric))
-				{
+				if (Display.Supports(DisplayFrameFormat.Numeric)) {
 					NumericOutput = ValueOutput<float>(nameof(NumericOutput));
 				}
+
+				if (Display.Supports(DisplayFrameFormat.AlphaNumeric)) {
+					TextOutput = ValueOutput<string>(nameof(TextOutput));
+				}
 			}
 		}
 
@@ -65,6 +73,12 @@ protected override void AssignArguments(Flow flow, DisplayUpdateEventArgs args)
 					flow.SetValue(NumericOutput, BitConverter.ToSingle(args.DisplayFrameData.Data));
 				}
 			}
+
+			if (Display.Supports(DisplayFrameFormat.AlphaNumeric)) {
+				if (args.DisplayFrameData.Format == DisplayFrameFormat.AlphaNumeric) {
+					flow.SetValue(TextOutput, Encoding.UTF8.GetString(args.DisplayFrameData.Data));
+				}
+			}
 		}
 	}
 }