Add VRChat and GitHub packages to Unity project

Assets/Udon/Editor/ProgramSources/UdonGraphProgram/UI/GraphView/UdonParameterField.cs

@@ -0,0 +1,57 @@
+using EditorUI = UnityEditor.Experimental.UIElements;
+
+using VRC.Udon.Graph;
+using UnityEngine.Experimental.UIElements;
+using VRC.Udon.Serialization;
+
+namespace VRC.Udon.Editor.ProgramSources.UdonGraphProgram.UI.GraphView
+{
+	public class UdonParameterField : EditorUI.GraphView.BlackboardField
+    {
+		private UdonGraph udonGraph;
+		private UdonNodeData nodeData;
+		public UdonNodeData Data => nodeData;
+
+		public UdonParameterField(UdonGraph udonGraph, UdonNodeData nodeData)
+		{
+			this.udonGraph = udonGraph;
+			this.nodeData = nodeData;
+
+			// Get Definition or exit early
+			UdonNodeDefinition definition = UdonEditorManager.Instance.GetNodeDefinition(nodeData.fullName);
+			if (definition == null)
+			{
+				UnityEngine.Debug.LogWarning($"Couldn't create Parameter Field for {nodeData.fullName}");
+				return;
+			}
+
+			this.text = (string)nodeData.nodeValues[(int)UdonParameterProperty.ValueIndices.name].Deserialize();
+			this.typeText = UdonGraphExtensions.PrettyString(definition.name).FriendlyNameify();
+
+			this.AddManipulator(new ContextualMenuManipulator(BuildContextualMenu));
+
+			this.Q("icon").AddToClassList("parameter-" + definition.type);
+			this.Q("icon").visible = true;
+
+			var textField = (TextField)this.Q("textField");
+			textField.isDelayed = true;
+			textField.OnValueChanged((e) => {
+				UnityEditor.Undo.RecordObject(udonGraph.graphProgramAsset, "Rename Variable");
+				// Sanitize value for variable name
+				string newVariableName = e.newValue.SanitizeVariableName();
+				text = newVariableName;
+				nodeData.nodeValues[(int)UdonParameterProperty.ValueIndices.name] = SerializableObjectContainer.Serialize(newVariableName);
+			});
+		}
+
+		void BuildContextualMenu(ContextualMenuPopulateEvent evt)
+		{
+			evt.menu.AppendAction("Rename", (a) => OpenTextEditor(), DropdownMenu.MenuAction.AlwaysEnabled);
+			evt.menu.AppendAction("Delete", (a) => udonGraph.RemoveNodeData(nodeData), DropdownMenu.MenuAction.AlwaysEnabled);
+
+			evt.StopPropagation();
+		}
+
+	}
+
+}