Revert "Empty"

This reverts commit b98fdd0f29.

scripts/Quest/Quest.gd

@@ -0,0 +1,36 @@
+class_name Quest
+const QuestObjective = preload("res://scripts/Quest/Objective/QuestObjective.gd");
+
+enum QuestState {
+	NOT_STARTED,
+	ACTIVE,
+	INACTIVE,
+	FINISHED
+};
+
+var questName:String;
+var questState:QuestState = QuestState.NOT_STARTED;
+var objectives:Array[QuestObjective] = [];
+var currentObjective = -1;
+
+func _init(
+	questName:String,
+	objectives:Array[QuestObjective]
+) -> void:
+	self.questName = questName;
+	self.objectives = objectives;
+
+func getState() -> QuestState:
+	return questState;
+
+func start():
+	print("Starting quest: " + questName);
+	questState = QuestState.ACTIVE;
+	currentObjective = 0;
+	
+func nextObjective():
+	currentObjective = currentObjective + 1;
+	if currentObjective >= objectives.size():
+		questState = QuestState.FINISHED;
+		return null;
+	return objectives[currentObjective];