Implemented changes to use abstract feedback

Assets/MediaPipeUnity/Scripts/SignPredictor.cs

@@ -141,6 +141,8 @@ namespace Mediapipe.Unity.Tutorial
         /// </summary>
         private Tensor inputTensor;
 
+        public List<Listener> listeners = new List<Listener>();
+
         /// <summary>
         /// Google Mediapipe setup & run
         /// </summary>
@@ -207,7 +209,6 @@ namespace Mediapipe.Unity.Tutorial
 
 
             keypointManager = new KeypointManager(modelInfoFile);
-
             // check if model exists at path
             //var model = ModelLoader.Load(Resources.Load<NNModel>("Models/Fingerspelling/model_A-L"));
             worker = modelList.GetCurrentModel().CreateWorker();
@@ -215,15 +216,13 @@ namespace Mediapipe.Unity.Tutorial
             StartCoroutine(SignRecognitionCoroutine());
             StartCoroutine(MediapipeCoroutine());
         }
-
-        public void ChangeModel(ModelIndex index)
+        /// <summary>
+        /// Called at the start of course/Minigame, will set the model before the start of SIgnPredictor is called.
+        /// </summary>
+        /// <param name="index">The index of the model to be used</param>
+        public void SetModel(ModelIndex index)
         {
             this.modelList.SetCurrentModel(index);
-            // If a worker already existed, we throw it out
-            worker?.Dispose();
-
-            // Add a new worker for the new model
-            worker = modelList.GetCurrentModel().CreateWorker();
         }
 
         /// <summary>
@@ -325,6 +324,10 @@ namespace Mediapipe.Unity.Tutorial
                         learnableProbabilities.Add(((char)(i + 65)).ToString(), softmaxedOutput2[i]);
                     }
                     //Debug.Log($"prob = [{learnableProbabilities.Aggregate("   ", (t, kv) => $"{t}{kv.Key}:{kv.Value}   ")}]");
+                    foreach(Listener listener in listeners)
+                    {
+                        listener.ProcessIncomingCall();
+                    }
                 }
                 else
                 {