Initial commit

Assets/Alloy/Scripts/MaterialMapChannelPacker/Editor/ChannelDrawer.cs

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+// Alloy Physical Shader Framework
+// Copyright 2013-2017 RUST LLC.
+// http://www.alloy.rustltd.com/
+
+using UnityEditor;
+using UnityEngine;
+
+namespace Alloy {
+	[CustomPropertyDrawer(typeof(EnumFlagsAttribute))]
+	public class ChannelDrawer : PropertyDrawer {
+		public override void OnGUI(Rect position, SerializedProperty property, GUIContent label) {
+			EditorGUI.BeginProperty(position, label, property);
+
+			EditorGUI.BeginChangeCheck();
+			int index = EditorGUI.MaskField(position, label, property.intValue, property.enumDisplayNames);
+
+			if (EditorGUI.EndChangeCheck()) {
+				property.intValue = index;
+			}
+
+			EditorGUI.EndProperty();
+		}
+	}
+}