1 files changed, 104 insertions, 0 deletions
diff --git a/Assets/Plugins/Editor/AdvancedInspector/FieldEditors/LayerMaskEditor.cs b/Assets/Plugins/Editor/AdvancedInspector/FieldEditors/LayerMaskEditor.cs
new file mode 100644
index 00000000..a007f1b6
--- /dev/null
+++ b/Assets/Plugins/Editor/AdvancedInspector/FieldEditors/LayerMaskEditor.cs
@@ -0,0 +1,104 @@
+using UnityEngine;
+using UnityEditor;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace AdvancedInspector
+{
+    public class LayerMaskEditor : FieldEditor
+    {
+        private static List<string> names;
+        private static List<int> masks;
+
+        public override Type[] EditedTypes
+        {
+            get { return new Type[] { typeof(LayerMask) }; }
+        }
+
+        public override void Draw(InspectorField field, GUIStyle style)
+        {
+            names = new List<string>();
+            masks = new List<int>();
+
+            for (int i = 0; i < 32; i++)
+            {
+                string name = LayerMask.LayerToName(i);
+
+                if (!string.IsNullOrEmpty(name))
+                {
+                    names.Add(name);
+                    masks.Add(1 << i);
+                }
+            }
+
+            object value = field.GetValue();
+
+            bool isMask = value is LayerMask;
+
+            int mask;
+            if (isMask)
+                mask = (int)(LayerMask)value;
+            else
+                mask = (int)value;
+
+            int result;
+            if (DrawLayerMaskField(mask, style, out result))
+            {
+                if (isMask)
+                    field.SetValue((LayerMask)result);
+                else
+                    field.SetValue(result);
+            }
+        }
+
+        public static bool DrawLayerMaskField(int aMask, GUIStyle style, out int result)
+        {
+            int val = aMask;
+            int maskVal = 0;
+            for (int i = 0; i < names.Count; i++)
+            {
+                if (masks[i] != 0)
+                {
+                    if ((val & masks[i]) == masks[i])
+                        maskVal |= 1 << i;
+                }
+                else if (val == 0)
+                    maskVal |= 1 << i;
+            }
+
+            EditorGUI.BeginChangeCheck();
+
+            int newMaskVal;
+            if (style != null)
+                newMaskVal = EditorGUILayout.MaskField(maskVal, names.ToArray(), style);
+            else
+                newMaskVal = EditorGUILayout.MaskField(maskVal, names.ToArray());
+
+            int changes = maskVal ^ newMaskVal;
+
+            for (int i = 0; i < masks.Count; i++)
+            {
+                if ((changes & (1 << i)) != 0)
+                {
+                    if ((newMaskVal & (1 << i)) != 0)
+                    {
+                        if (masks[i] == 0)
+                        {
+                            val = 0;
+                            break;
+                        }
+                        else
+                            val |= masks[i];
+                    }
+                    else
+                        val &= ~masks[i];
+                }
+            }
+
+            result = val;
+
+            return EditorGUI.EndChangeCheck();
+        }
+    }
+}
+\ No newline at end of file