Merge pull request #121 from FreshlyBrewedCode/node-colors

Add support for node accent colors

Author: Antoine Lelievre

Assets/com.alelievr.NodeGraphProcessor/Editor/Views/BaseNodeView.cs

@@ -155,11 +155,12 @@ void InitializeView()
 				mainContainer.Add(debugContainer);
 
 			title = (string.IsNullOrEmpty(nodeTarget.name)) ? nodeTarget.GetType().Name : nodeTarget.name;
-
-            initializing = true;
+			
+			initializing = true;
 
             SetPosition(nodeTarget.position);
-
+			SetNodeColor(nodeTarget.color);
+            
 			AddInputContainer();
 		}
 
@@ -632,6 +633,12 @@ protected virtual void DrawDefaultInspector(bool fromInspector = false)
 			}
 		}
 
+		protected virtual void SetNodeColor(Color color)
+		{
+			titleContainer.style.borderBottomColor = new StyleColor(color);
+			titleContainer.style.borderBottomWidth = new StyleFloat(color.a > 0 ? 5f : 0f);
+		}
+		
 		private void AddEmptyField(FieldInfo field, bool fromInspector)
 		{
 			if(field.GetCustomAttribute(typeof(InputAttribute)) == null || fromInspector) return;

Assets/com.alelievr.NodeGraphProcessor/Runtime/Elements/BaseNode.cs

@@ -19,7 +19,12 @@ public abstract class BaseNode
 		/// </summary>
 		/// <returns></returns>
 		public virtual string       name => GetType().Name;
-
+		
+		/// <summary>
+		/// The accent color of the node
+		/// </summary>
+		public virtual Color color => Color.clear;
+		
 		/// <summary>
 		/// Set a custom uss file for the node. We use a Resources.Load to get the stylesheet so be sure to put the correct resources path
 		/// https://docs.unity3d.com/ScriptReference/Resources.Load.html