Quest system fixed.

scripts/Singleton/Quest.gd

@@ -1,13 +1,21 @@
 class_name QuestSystem extends Node
 
-var quests:Array[Quest]
+enum QuestKey {
+	TEST_QUEST
+};
+
+var quests:Dictionary[int, Quest]
 
 func _ready() -> void:
 	_updateQuests()
-	pass
-
+	
 func _updateQuests() -> void:
-	quests = []
+	quests = {}
 	for quest in $Quests.get_children():
 		if quest is Quest:
-			quests.append(quest)
+			if quests.has(quest.questKey):
+				assert(false, "Quest with key %s already exists" % quest.questKey)
+			quests[quest.questKey] = quest
+
+	for quest in QuestKey:
+		assert(quests.has(QuestKey[quest]), "Quest with key %s does not exist" % quest)

scripts/Singleton/UI.gd

@@ -3,3 +3,7 @@ class_name UISystem extends Control
 func _process(delta: float) -> void:
 	# This needs to always be at the end of the parent node's tree
 	get_parent().move_child(self, get_parent().get_child_count() - 1)
+
+func showQuestsMenu(questKey = null) -> void:
+	$QuestMenu.setQuest(questKey)
+	$QuestMenu.show()