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Source/Editor/Progress/Handlers/CompileScriptsProgress.cs

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using FlaxEngine;
+using FlaxEditor.Utilities;
+
+namespace FlaxEditor.Progress.Handlers
+{
+    /// <summary>
+    /// Scripts compilation progress reporting handler.
+    /// </summary>
+    /// <seealso cref="FlaxEditor.Progress.ProgressHandler" />
+    public sealed class CompileScriptsProgress : ProgressHandler
+    {
+        private SelectionCache _selectionCache;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CompileScriptsProgress"/> class.
+        /// </summary>
+        public CompileScriptsProgress()
+        {
+            // Link for events
+            ScriptsBuilder.CompilationBegin += OnStart;
+            ScriptsBuilder.CompilationSuccess += OnEnd;
+            ScriptsBuilder.CompilationFailed += OnEnd;
+            ScriptsBuilder.CompilationStarted += () => OnUpdate(0.2f, "Compiling scripts...");
+            ScriptsBuilder.ScriptsReloadCalled += () => OnUpdate(0.8f, "Reloading scripts...");
+            ScriptsBuilder.ScriptsReloadBegin += OnScriptsReloadBegin;
+            ScriptsBuilder.ScriptsReloadEnd += OnScriptsReloadEnd;
+            ScriptsBuilder.ScriptsReload += OnScriptsReload;
+        }
+
+        private void OnScriptsReloadBegin()
+        {
+            if (_selectionCache == null)
+                _selectionCache = new SelectionCache();
+            _selectionCache.Cache();
+
+            // Clear references to the user scripts (we gonna reload an assembly)
+            Editor.Instance.Scene.ClearRefsToSceneObjects();
+        }
+
+        private void OnScriptsReload()
+        {
+            // Clear types cache
+            Newtonsoft.Json.JsonSerializer.ClearCache();
+        }
+
+        private void OnScriptsReloadEnd()
+        {
+            _selectionCache.Restore();
+        }
+
+        /// <inheritdoc />
+        protected override void OnStart()
+        {
+            base.OnStart();
+
+            OnUpdate(0, "Starting scripts compilation...");
+        }
+    }
+}