in-world ui textboxes

ui/UISingleton.gd

@@ -6,16 +6,18 @@ var rootUi:RootUI = null
 # between lines where the textbox is momentarily closed.
 var dialogueActive:bool = false
 
+var _chatBoxes:Array = []
+
 var DEBUG_MENU:
   get():
     if rootUi && rootUi.debugMenu:
       return rootUi.debugMenu
     return null
 
-var TEXTBOX:
+var MAIN_CHATBOX:
   get():
-    if rootUi && rootUi.textBox:
-      return rootUi.textBox
+    if rootUi && rootUi.mainChatBox:
+      return rootUi.mainChatBox
     return null
 
 var GAME_MENU:
@@ -29,3 +31,22 @@ var PAUSE_MENU:
     if rootUi && rootUi.pauseMenu:
       return rootUi.pauseMenu
     return null
+
+func addChatBox(box:WorldChatBox) -> void:
+  _chatBoxes.append(box)
+
+func removeChatBox(box:WorldChatBox) -> void:
+  _chatBoxes.erase(box)
+
+func hasAdvanceableChatBox() -> bool:
+  for box in _chatBoxes:
+    if box.mode == WorldChatBox.Mode.ADVANCEABLE:
+      return true
+  return false
+
+func spawnWorldChatBox(target:Node3D = null) -> WorldChatBox:
+  assert(rootUi != null)
+  var chatbox:WorldChatBox = WorldChatBox.SCENE.instantiate()
+  rootUi.chatBoxContainer.add_child(chatbox)
+  chatbox.worldTarget = target
+  return chatbox