Merge pull request #268 from argonui/mythos-exit

added removal of Mythos data onCollisionExit

src/core/MythosArea.ttslua

@@ -77,6 +77,19 @@ function onCollisionEnter(collisionInfo)
   end
 end
 
+-- TTS event handler. Handles scenario name event triggering
+function onCollisionExit(collisionInfo)
+  if not collisionEnabled then return end
+  local object = collisionInfo.collision_object
+
+  -- reset token metadata if scenario reference card is removed
+  if object.getName() == "Scenario" then
+    tokenData = {}
+    useFrontData = nil
+    fireTokenDataChangedEvent()
+  end
+end
+
 -- Listens for cards entering the encounter deck or encounter discard, and resets the spawn state
 -- for the cards when they do.
 function onObjectEnterContainer(container, object)