New editor stuffs.

Draw gizmo for WorldLinks.
From/To link endpoints can now directly be selected in the scene.

Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/TrackableWindow.cs

@@ -193,7 +193,7 @@ namespace ETSI.ARF.WorldStorage.UI
             GUI.backgroundColor = ori;
 
             GUI.backgroundColor = WorldStorageWindow.arfColors[5];
-            if (GUILayout.Button("Generate GameObject"))
+            if (GUILayout.Button("Generate/Update GameObject"))
             {
                 GenerateAndUpdateVisual(UUID, customName, localCRS_pos, localCRS_rot);
             }

Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldAnchorWindow.cs

@@ -189,7 +189,7 @@ namespace ETSI.ARF.WorldStorage.UI
             GUI.backgroundColor = ori;
 
             GUI.backgroundColor = WorldStorageWindow.arfColors[5];
-            if (GUILayout.Button("Generate GameObject"))
+            if (GUILayout.Button("Generate/Update GameObject"))
             {
                 GenerateAndUpdateVisual(UUID, customName, localCRS_pos, localCRS_rot);
             }

Assets/ETSI.ARF/ARF World Storage API/Editor/Windows/WorldLinkWindow.cs

@@ -40,7 +40,7 @@ namespace ETSI.ARF.WorldStorage.UI
 {
     public class WorldLinkWindow : EditorWindow
     {
-        private class Element
+        public class Element
         {
             public string UUID = System.Guid.Empty.ToString();
             public string name = "(none)";
@@ -94,24 +94,43 @@ namespace ETSI.ARF.WorldStorage.UI
             }
         }
 
-        public static GameObject GenerateAndUpdateVisual(string UUID, string from, string to, Vector3 pos, Vector3 rot)
+        public static GameObject GenerateAndUpdateVisual(string UUID, Element from, Element to)
         {
             ETSI.ARF.WorldStorage.UI.Prefabs.WorldStoragePrefabs prefabs;
             prefabs = (Prefabs.WorldStoragePrefabs)Resources.Load("ARFPrefabs");
             GameObject arf = GameObject.Find("ARF Visuals");
             GameObject visual = GameObject.Find(UUID);
 
+            //Value between from and to
+            Vector3 centerPos = (from.pos + to.pos) * 0.5f;
+            Vector3 rot = Vector3.zero;  // Direction
+
             if (arf == null) arf = new GameObject("ARF Visuals");
             if (visual == null)
             {
-                visual = SceneAsset.Instantiate<GameObject>(prefabs.worldLinkPrefab, pos, Quaternion.Euler(rot), arf.transform); // TODO rot
+                visual = SceneAsset.Instantiate<GameObject>(prefabs.worldLinkPrefab, centerPos, Quaternion.Euler(rot), arf.transform); // TODO rot
                 visual.name = UUID;
             }
             else
             {
-                visual.transform.SetPositionAndRotation(pos, Quaternion.Euler(rot));
+                visual.transform.SetPositionAndRotation(centerPos, Quaternion.Euler(rot));
+            }
+
+            // Update the gizno, if GaneObject are founds!!!
+            GameObject go1 = GameObject.Find(from.UUID);
+            GameObject go2 = GameObject.Find(to.UUID);
+            if (go1 && go2)
+            {
+                LinkVisual gizmo = visual.GetComponent<LinkVisual>();
+                if (gizmo)
+                {
+                    gizmo.fromElement = go1;
+                    gizmo.toElement = go2;
+                }
             }
-            visual.transform.Find("Canvas/Text").GetComponent<TextMeshProUGUI>().text = $"UUID: { UUID }\nFrom: { from }\nTo: { to }";
+
+            // Update the annotation
+            visual.transform.Find("Canvas/Text").GetComponent<TextMeshProUGUI>().text = $"UUID: { UUID }\nFrom: { from.name }\nTo: { to.name }";
             return visual;
         }
 
@@ -270,12 +289,9 @@ namespace ETSI.ARF.WorldStorage.UI
             GUI.backgroundColor = ori;
 
             GUI.backgroundColor = WorldStorageWindow.arfColors[5];
-            if (GUILayout.Button("Generate GameObject"))
+            if (GUILayout.Button("Generate/Update GameObject"))
             {
-                //TODO: Value between from and to
-                Vector3 pos = (FROM.pos + TO.pos) * 0.5f;
-                Vector3 rot = Vector3.zero;  // Direction
-                GenerateAndUpdateVisual(UUID, FROM.name, TO.name, pos, rot);
+                GenerateAndUpdateVisual(UUID, FROM, TO);
             }
             GUI.backgroundColor = ori;
             EditorGUILayout.EndHorizontal();
@@ -284,12 +300,39 @@ namespace ETSI.ARF.WorldStorage.UI
             // ---------------------
             // Params
             // ---------------------
+            string lastFromUUID = FROM.UUID;
+            string lastToUUID = TO.UUID;
+
+            if (GUILayout.Button("Get From/To Elements from Scene Selection"))
+            {
+                GameObject from, to;
+                GameObject[] SelectedObjects = Selection.gameObjects;
+
+                if (SelectedObjects.Length == 2)
+                {
+                    Debug.Log("Creation du lien (Many thanks Eric ;-)");
+                    from = SelectedObjects[0];
+                    to = SelectedObjects[1];
+                    FROM.UUID = from.name;
+                    TO.UUID = to.name;
+                }
+                else
+                {
+                    EditorUtility.DisplayDialog("Selection", "Please select exactly 2 elements in the scene!", "OK");
+                }
+            }
+
             showListFrom = EditorGUILayout.Foldout(showListFrom, "From (parent object)");
             if (showListFrom)
             {
                 EditorGUILayout.BeginHorizontal();
-                string lastFromUUID = FROM.UUID;
                 FROM.UUID = EditorGUILayout.TextField("UUID:", FROM.UUID);
+                if (FROM.UUID.Contains("["))
+                {
+                    // extract the UUID
+                    FROM.UUID = FROM.UUID.Split('[', ']')[1];
+                }
+
                 GUI.backgroundColor = WorldStorageWindow.arfColors[1];
                 if (GUILayout.Button("Request", EditorStyles.miniButtonLeft, miniButtonWidth) || lastFromUUID != FROM.UUID)
                 {
@@ -306,8 +349,12 @@ namespace ETSI.ARF.WorldStorage.UI
             if (showListTo)
             {
                 EditorGUILayout.BeginHorizontal();
-                string lastToUUID = TO.UUID;
                 TO.UUID = EditorGUILayout.TextField("UUID:", TO.UUID);
+                if (TO.UUID.Contains("["))
+                {
+                    // extract the UUID
+                    TO.UUID = TO.UUID.Split('[', ']')[1];
+                }
                 GUI.backgroundColor = WorldStorageWindow.arfColors[1];
                 if (GUILayout.Button("Request", EditorStyles.miniButtonLeft, miniButtonWidth) || lastToUUID != TO.UUID)
                 {
@@ -390,7 +437,7 @@ namespace ETSI.ARF.WorldStorage.UI
             System.Guid _creator = System.Guid.Parse(worldStorageUser.UUID);
             System.Guid _from = System.Guid.Parse(FROM.UUID);
             System.Guid _to = System.Guid.Parse(TO.UUID);
-            WorldLink t = new WorldLink(_uuid, _creator, _to, _from, FROM.type, TO.type, _transform3d, unit, keyValueTags);
+            WorldLink t = new WorldLink(_uuid, _creator, _from, _to, FROM.type, TO.type, _transform3d, unit, keyValueTags);
             return t;
         }
     }

Assets/ETSI.ARF/ARF World Storage API/Prefabs/ARFWorldLink.prefab

@@ -9,6 +9,7 @@ GameObject:
   serializedVersion: 6
   m_Component:
   - component: {fileID: 1814829793678878270}
+  - component: {fileID: 2766171691247251799}
   m_Layer: 0
   m_Name: ARFWorldLink
   m_TagString: Untagged
@@ -33,6 +34,20 @@ Transform:
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!114 &2766171691247251799
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 1239500166128132140}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 33fce8a1d8d349d47b8565dfe031b6b1, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  mFrom: {fileID: 0}
+  mTo: {fileID: 0}
 --- !u!1 &4451045791079530586
 GameObject:
   m_ObjectHideFlags: 0

Assets/ETSI.ARF/ARF World Storage API/Scripts/LinkVisual.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace ETSI.ARF.WorldStorage.UI
+{
+    [ExecuteAlways]
+    public class LinkVisual : MonoBehaviour
+    {
+        public GameObject fromElement, toElement;
+
+
+        private void Update()
+        {
+#if UNITY_EDITOR
+            if (fromElement != null && toElement != null) transform.position = (fromElement.transform.position + toElement.transform.position) / 2;
+#endif
+        }
+
+        void OnDrawGizmos()
+        {
+#if UNITY_EDITOR
+            if (fromElement != null && toElement != null)
+            {
+                // Draws a blue line from this transform to the target
+                Gizmos.color = Color.blue;
+                Gizmos.DrawLine(fromElement.transform.position, toElement.transform.position);
+            }
+            else
+            {
+                Debug.Log("Rien  tracer");
+            }
+        }
+#endif
+    }
+}

Assets/ETSI.ARF/ARF World Storage API/Scripts/LinkVisual.cs.meta

+fileFormatVersion: 2
+guid: 33fce8a1d8d349d47b8565dfe031b6b1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: