Implemented MR feedback

Assets/Common/Interfaces/ModelIndex.cs

@@ -1,7 +1,9 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
-
+/// <summary>
+/// This enum is used to identify each of the SignLanguage models
+/// </summary>
 public enum ModelIndex 
 {
     FINGERSPELLING,

Assets/Common/Interfaces/ModelList.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
@@ -8,6 +9,23 @@ using Unity.Barracuda;
 [CreateAssetMenu(menuName = "Create new Scriptable/ModelList")]
 public class ModelList : ScriptableObject
 {
+    /// <summary>
+    /// Small class to link a model to a courseIndex irrespective of its position in a list
+    /// </summary>
+    [Serializable]
+    public class ModelTuple
+    {
+        /// <summary>
+        /// ModelIndex to which the model corresponds
+        /// </summary>
+        public ModelIndex index;
+        /// <summary>
+        /// The model itself
+        /// </summary>
+        public NNModel model;
+    }
+
+
     /// <summary>
     /// Index of the currently active model
     /// </summary>
@@ -23,9 +41,10 @@ public class ModelList : ScriptableObject
     /// </summary>
     /// <param name="modelIndex">ModelIndex of the model</param>
     /// <returns>Model associated with this index, null if no model was found</returns>
-    public NNModel GetCurrentModel()
+    public ModelTuple GetCurrentModel()
     {
-        return models[currentModelIndex].model;
+        //if(currentModelIndex < models.Find)
+        return models.Find(x => x.model == models[currentModelIndex].model);
     }
 
     /// <summary>

Assets/Common/Interfaces/ModelTuple.cs

@@ -1,18 +0,0 @@
-using System;
-using UnityEngine;
-using Unity.Barracuda;
-/// <summary>
-/// Small class to link a model to a courseIndex irrespective of its position in a list
-/// </summary>
-[Serializable]
-public class ModelTuple
-{
-    /// <summary>
-    /// ModelIndex to which the model corresponds
-    /// </summary>
-    public ModelIndex index;
-    /// <summary>
-    /// The model itself
-    /// </summary>
-    public NNModel model;
-}

Assets/Common/Interfaces/ModelTuple.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: bce8507dcb30db447b69708ad4f5f962
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/Common/Tests/ModelListTest.cs

@@ -26,7 +26,7 @@ public class ModelListTest
             {
                 ModelIndex value = (ModelIndex)field.GetValue(null);
                 string name = field.Name;
-                ModelTuple model = new ModelTuple();
+                ModelList.ModelTuple model = new ModelList.ModelTuple();
                 // This is all we will need to distinguish 
                 model.index = value;
 
@@ -36,11 +36,23 @@ public class ModelListTest
         }
     }
 
+    public void TestGetCurrentModel()
+    {
+        System.Random random = new System.Random();
+        ModelIndex value = (ModelIndex)random.Next(modelList.models.Count);
+        modelList.SetCurrentModel(value);
+
+        Assert.AreEqual(value, modelList.GetCurrentModel().index);
+
+        // Check if empty model fails gracefully (returns null)
+        Assert.IsNull(ScriptableObject.CreateInstance<ModelList>().GetCurrentModel());
+    }
+
     /// <summary>
-    /// Check if all courses can be correctly gotten and set as current via SetCurrentCourse
+    /// Check if all models can be correctly set as current via SetCurrentModel
     /// </summary>
     [Test]
-    public void TestGetSetCurrentModel()
+    public void TestSetCurrentModel()
     {
         foreach (var field in typeof(ModelIndex).GetFields())
         {
@@ -50,12 +62,16 @@ public class ModelListTest
                 string name = field.Name;
                 modelList.SetCurrentModel(value);
 
-                // Fetch the current course and check if its name is the same as the one we made into the current one 
+                // Fetch the current model and check if its name is the same as the one we made into the current one 
-                ModelTuple m = modelList.models[modelList.currentModelIndex];
+                ModelList.ModelTuple m = modelList.models[modelList.currentModelIndex];
 
                 Assert.AreEqual(m.index, value);
                 Assert.IsTrue(m.model is NNModel || m.model is null);
             }
         }
+        ModelList emptyList = ScriptableObject.CreateInstance<ModelList>();
+        emptyList.SetCurrentModel(ModelIndex.FINGERSPELLING);
+
+        Assert.IsTrue(emptyList.currentModelIndex == -1);
     }
 }

Assets/MediaPipeUnity/Scripts/SignPredictor.cs

@@ -210,7 +210,7 @@ namespace Mediapipe.Unity.Tutorial
 
             // check if model exists at path
             //var model = ModelLoader.Load(Resources.Load<NNModel>("Models/Fingerspelling/model_A-L"));
-            worker = modelList.GetCurrentModel().CreateWorker();
+            worker = modelList.GetCurrentModel().model.CreateWorker();
 
             StartCoroutine(SignRecognitionCoroutine());
             StartCoroutine(MediapipeCoroutine());
@@ -223,7 +223,7 @@ namespace Mediapipe.Unity.Tutorial
             worker?.Dispose();
 
             // Add a new worker for the new model
-            worker = modelList.GetCurrentModel().CreateWorker();
+            worker = modelList.GetCurrentModel().model.CreateWorker();
         }
 
         /// <summary>