Resolve WES-90 "Integrate signpredictor in courses"

Packages/com.unity.barracuda/Editor/NNModelImporter.cs

@@ -0,0 +1,63 @@
+using System.IO;
+using Unity.Barracuda.Editor;
+using UnityEditor;
+using UnityEngine;
+#if UNITY_2020_2_OR_NEWER
+using UnityEditor.AssetImporters;
+using UnityEditor.Experimental.AssetImporters;
+#else
+using UnityEditor.Experimental.AssetImporters;
+#endif
+
+namespace Unity.Barracuda
+{
+    /// <summary>
+    /// Asset Importer of barracuda models.
+    /// </summary>
+    [ScriptedImporter(3, new[] {"nn"})]
+    public class NNModelImporter : ScriptedImporter {
+        private const string iconName = "NNModelIcon";
+
+        private Texture2D iconTexture;
+
+        /// <summary>
+        /// Scripted importer callback
+        /// </summary>
+        /// <param name="ctx">Asset import context</param>
+        public override void OnImportAsset(AssetImportContext ctx)
+        {
+            var model = File.ReadAllBytes(ctx.assetPath);
+
+            // Analyze model and send analytics if enabled
+            var nnModel = ModelLoader.Load(ctx.assetPath, skipWeights:true);
+            BarracudaAnalytics.SendBarracudaImportEvent(null, nnModel);
+
+            var assetData = ScriptableObject.CreateInstance<NNModelData>();
+            assetData.Value = model;
+            assetData.name = "Data";
+            assetData.hideFlags = HideFlags.HideInHierarchy;
+
+            var asset = ScriptableObject.CreateInstance<NNModel>();
+            asset.modelData = assetData;
+            ctx.AddObjectToAsset("main obj", asset, LoadIconTexture());
+            ctx.AddObjectToAsset("model data", assetData);
+
+            ctx.SetMainObject(asset);
+        }
+
+        private Texture2D LoadIconTexture()
+        {
+            if (iconTexture == null)
+            {
+                string[] allCandidates = AssetDatabase.FindAssets(iconName);
+
+                if (allCandidates.Length > 0)
+                {
+                    iconTexture = AssetDatabase.LoadAssetAtPath(AssetDatabase.GUIDToAssetPath(allCandidates[0]), typeof(Texture2D)) as Texture2D;
+                }
+            }
+            return iconTexture;
+        }
+
+    }
+}