单人骑行

Assets/Mapbox/Unity/Editor/PropertyDrawers/MaterialListDrawer.cs

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+namespace Mapbox.Editor
+{
+	using UnityEditor;
+	using UnityEngine;
+	using Mapbox.Unity.MeshGeneration.Modifiers;
+
+	[CustomPropertyDrawer(typeof(MaterialList))]
+	public class MaterialListDrawer : PropertyDrawer
+	{
+		public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+		{
+			EditorGUI.BeginProperty(position, label, property);
+			var matArray = property.FindPropertyRelative("Materials");
+			if (matArray.arraySize == 0)
+			{
+				matArray.arraySize = 1;
+			}
+			EditorGUILayout.PropertyField(property.FindPropertyRelative("Materials").GetArrayElementAtIndex(0), label);
+			EditorGUI.EndProperty();
+		}
+	}
+}