20240422

Unity/Editor/PropertyDrawers/UnityLayerOptionsDrawer.cs

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+namespace Mapbox.Editor
+{
+	using UnityEditor;
+	using UnityEngine;
+	using Mapbox.Unity.Map;
+
+	[CustomPropertyDrawer(typeof(UnityLayerOptions))]
+	public class UnityLayerOptionsDrawer : PropertyDrawer
+	{
+		static float lineHeight = EditorGUIUtility.singleLineHeight;
+
+		public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+		{
+			var addtoLayerProp = property.FindPropertyRelative("addToLayer");
+			EditorGUI.BeginProperty(position, label, property);
+
+			EditorGUI.PropertyField(new Rect(position.x, position.y, position.width, lineHeight), addtoLayerProp, new GUIContent { text = "Add to Unity layer" });
+			if (addtoLayerProp.boolValue == true)
+			{
+				EditorGUI.indentLevel++;
+				var layerId = property.FindPropertyRelative("layerId");
+				layerId.intValue = EditorGUILayout.LayerField("Layer", layerId.intValue);
+				EditorGUI.indentLevel--;
+			}
+
+			EditorGUI.EndProperty();
+		}
+		public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
+		{
+			// Reserve space for the total visible properties.
+			return 1.0f * lineHeight;
+		}
+	}
+}