First commit on my server, yey!

Packages/com.jovian.zonesystem/Editor/ZoneEditorSettingsEditor.cs

@@ -0,0 +1,53 @@
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEngine;
+
+namespace Jovian.ZoneSystem.Editor {
+    [CustomEditor(typeof(ZoneEditorSettings))]
+    public class ZoneEditorSettingsEditor : UnityEditor.Editor {
+        public override void OnInspectorGUI() {
+            serializedObject.Update();
+
+            EditorGUI.BeginChangeCheck();
+            DrawDefaultInspector();
+            bool changed = EditorGUI.EndChangeCheck();
+
+            if(changed) {
+                serializedObject.ApplyModifiedProperties();
+                ApplyColorsToAllZoneData((ZoneEditorSettings)target);
+            }
+
+            EditorGUILayout.Space(8);
+            if(GUILayout.Button("Apply Colors to All Zones")) {
+                ApplyColorsToAllZoneData((ZoneEditorSettings)target);
+            }
+        }
+
+        private static void ApplyColorsToAllZoneData(ZoneEditorSettings settings) {
+            string[] guids = AssetDatabase.FindAssets("t:ZoneData");
+            int updated = 0;
+
+            foreach(string guid in guids) {
+                string path = AssetDatabase.GUIDToAssetPath(guid);
+                ZoneData data = AssetDatabase.LoadAssetAtPath<ZoneData>(path);
+                if(data == null) {
+                    continue;
+                }
+
+                Color newColor = settings.GetColorForRole(data.role);
+                if(data.debugColor != newColor) {
+                    Undo.RecordObject(data, "Update Zone Color");
+                    data.debugColor = newColor;
+                    EditorUtility.SetDirty(data);
+                    updated++;
+                }
+            }
+
+            if(updated > 0) {
+                AssetDatabase.SaveAssets();
+                SceneView.RepaintAll();
+            }
+        }
+    }
+}
+#endif