Fixed serialization of tracked property arrays.

app/lib/world/thang_state.coffee

@@ -29,8 +29,8 @@ module.exports = class ThangState
       value = thang[prop]
       if type is 'Vector'
         @props.push value?.copy()  # could try storing [x, y, z] or {x, y, z} here instead if this is expensive
-      else if type is 'object'
-        @props.push = clone(value, true)
+      else if type is 'object' or type is 'array'
+        @props.push clone(value, true)
       else
         @props.push value
 
@@ -144,6 +144,8 @@ module.exports = class ThangState
           # We make sure the array keys won't collide with any string keys by using some unprintable characters.
           stringPieces = ['\x1D']  # Group Separator
           for element in value
+            if element and element.isThang
+              element = element.id
             stringPieces.push element, '\x1E'  # Record Separator(s)
           value = stringPieces.join('')
           specialKey = specialValuesToKeys[value]

app/lib/world/world_utils.coffee

@@ -42,12 +42,15 @@ module.exports.clone = clone = (obj, skipThangs=false) ->
   if skipThangs and obj.isThang
     return obj
 
+  if _.isArray obj
+    return obj.slice()
+
   if ArrayBufferView and obj instanceof ArrayBufferView
-    newInstance = new obj.constructor obj
-  else
-    newInstance = new obj.constructor()
-    for key of obj
-      newInstance[key] = clone obj[key]
+    return new obj.constructor obj
+
+  newInstance = new obj.constructor()
+  for key of obj
+    newInstance[key] = clone obj[key], skipThangs
 
   newInstance
 

app/views/play/level/tome/spell_debug_view.coffee

@@ -21,7 +21,7 @@ module.exports = class DebugView extends View
     @ace = options.ace
     @thang = options.thang
     @variableStates = {}
-    @globals = {Math: Math, _: _}  # ... add more as documented
+    @globals = {Math: Math, _: _, String: String, Number: Number, Array: Array, Object: Object}  # ... add more as documented
     for className, klass of serializedClasses
       @globals[className] = klass
     @onMouseMove = _.throttle @onMouseMove, 25