Merge branch 'TerrainLayerNames' of https://github.com/xxSeys1/FlaxEngine into xxSeys1-TerrainLayerNames

Source/Editor/CustomEditors/Editors/TerrainLayerEditor.cs

@@ -0,0 +1,45 @@
+// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
+
+using FlaxEditor.Content.Settings;
+using FlaxEditor.CustomEditors.Elements;
+using FlaxEditor.GUI;
+
+namespace FlaxEditor.CustomEditors.Editors
+{
+    /// <summary>
+    /// Custom editor for picking terrain layers. Instead of choosing bit mask or layer index it shows a combo box with simple layer picking by name.
+    /// </summary>
+    public sealed class TerrainLayerEditor : CustomEditor
+    {
+        private ComboBoxElement element;
+
+        /// <inheritdoc />
+        public override DisplayStyle Style => DisplayStyle.Inline;
+
+        /// <inheritdoc />
+        public override void Initialize(LayoutElementsContainer layout)
+        {
+            element = layout.ComboBox();
+            element.ComboBox.SetItems(LayersAndTagsSettings.GetCurrentTerrainLayers());
+            element.ComboBox.SelectedIndex = (int)Values[0];
+            element.ComboBox.SelectedIndexChanged += OnSelectedIndexChanged;
+        }
+
+        private void OnSelectedIndexChanged(ComboBox comboBox)
+        {
+            int value = comboBox.SelectedIndex;
+            if (value == -1)
+                value = 0;
+
+            SetValue(value);
+        }
+
+        /// <inheritdoc />
+        public override void Refresh()
+        {
+            base.Refresh();
+
+            element.ComboBox.SelectedIndex = (int)Values[0];
+        }
+    }
+}