Implementing pull request SebLague#79 from salexivich

Displaying labels for anchor numbers SebLague#79

Author: JerryVerhoeven

Assets/PathCreator/Core/Editor/PathEditor.cs

@@ -237,6 +237,12 @@ void DrawBezierPathInspector()
 					data.showPathBounds = GUILayout.Toggle(data.showPathBounds, new GUIContent("Show Path Bounds"));
 					data.showPerSegmentBounds = GUILayout.Toggle(data.showPerSegmentBounds, new GUIContent("Show Segment Bounds"));
 					data.displayAnchorPoints = GUILayout.Toggle(data.displayAnchorPoints, new GUIContent("Show Anchor Points"));
+                    
+                    if (data.displayAnchorPoints)
+                    {
+                        data.displayAnchorNumbers = GUILayout.Toggle(data.displayAnchorNumbers, new GUIContent("Show Anchor Numbers"));
+                    }
+                    
 					if (!(bezierPath.ControlPointMode == BezierPath.ControlMode.Automatic && globalDisplaySettings.hideAutoControls))
 					{
 						data.displayControlPoints = GUILayout.Toggle(data.displayControlPoints, new GUIContent("Show Control Points"));
@@ -366,8 +372,7 @@ void OnSceneGUI()
 
 		void DrawVertexPathSceneEditor()
 		{
-
-			Color bezierCol = globalDisplaySettings.bezierPath;
+            Color bezierCol = globalDisplaySettings.bezierPath;
 			bezierCol.a *= .5f;
 
 			if (data.showBezierPathInVertexMode)
@@ -379,6 +384,7 @@ void DrawVertexPathSceneEditor()
 					{
 						points[j] = MathUtility.TransformPoint(points[j], creator.transform, bezierPath.Space);
 					}
+                    
 					Handles.DrawBezier(points[0], points[3], points[1], points[2], bezierCol, null, 2);
 				}
 			}
@@ -519,8 +525,7 @@ void ProcessBezierPathInput(Event e)
 
 		void DrawBezierPathSceneEditor()
 		{
-
-			bool displayControlPoints = data.displayControlPoints && (bezierPath.ControlPointMode != BezierPath.ControlMode.Automatic || !globalDisplaySettings.hideAutoControls);
+            bool displayControlPoints = data.displayControlPoints && (bezierPath.ControlPointMode != BezierPath.ControlMode.Automatic || !globalDisplaySettings.hideAutoControls);
 			Bounds bounds = bezierPath.CalculateBoundsWithTransform(creator.transform);
 
 			if (Event.current.type == EventType.Repaint)
@@ -661,6 +666,22 @@ void DrawHandle(int i)
 				}
             }
 
+            if (isAnchorPoint && data.displayAnchorNumbers)
+            {
+                var handleNumberText = $"{i / 3 + 1}";
+                
+                GUIStyle handleNumberTextStyle = new GUIStyle
+                {
+                    normal =
+                    {
+                        textColor = globalDisplaySettings.anchorNumberColor
+                    },
+                    fontSize = globalDisplaySettings.anchorNumberSize
+                };
+                
+                Handles.Label(handlePosition, handleNumberText, handleNumberTextStyle);
+            }
+            
 			switch (handleInputType)
 			{
 				case PathHandle.HandleInputType.LMBDrag:

Assets/PathCreator/Core/Runtime/Objects/GlobalDisplaySettings.cs

@@ -29,6 +29,10 @@ public enum HandleType { Sphere, Circle, Square };
         public Color anchorHighlighted = new Color(1, 0.57f, 0.4f);
         public Color anchorSelected = Color.white;
 
+        [Header("Anchor Numbers")] 
+        public int anchorNumberSize = 14;
+        public Color anchorNumberColor = Color.white;
+        
         [Header("Control Colours")]
         public Color control = new Color(0.35f, 0.6f, 1, 0.85f);
         public Color controlHighlighted = new Color(0.8f, 0.67f, 0.97f);

Assets/PathCreator/Core/Runtime/Objects/PathCreatorData.cs

@@ -25,6 +25,7 @@ public class PathCreatorData {
         public bool showPathBounds;
         public bool showPerSegmentBounds;
         public bool displayAnchorPoints = true;
+        public bool displayAnchorNumbers = true;
         public bool displayControlPoints = true;
         public float bezierHandleScale = 1;
         public bool globalDisplaySettingsFoldout;