A raging quest

game/scenes/Quests/quest_trigger_area.gd

@@ -0,0 +1,37 @@
+extends Area3D
+
+@export var event_name: StringName = &""
+@export var target_group: StringName = &"player"
+@export var quest_id_filter: String = ""
+@export var one_shot: bool = true
+
+var _triggered := false
+
+
+func _ready() -> void:
+	body_entered.connect(_on_body_entered)
+
+
+func reset_trigger() -> void:
+	_triggered = false
+	set_deferred("monitoring", true)
+
+
+func _on_body_entered(body: Node) -> void:
+	if one_shot and _triggered:
+		return
+	if target_group != StringName() and not body.is_in_group(target_group):
+		return
+	if event_name == StringName():
+		return
+	if quest_id_filter.strip_edges() != "":
+		if QuestManager == null or QuestManager.get_active_quest_id() != StringName(quest_id_filter):
+			return
+	if QuestManager:
+		QuestManager.emit_event(event_name, {
+			"body": body,
+			"source": self,
+		})
+	if one_shot:
+		_triggered = true
+		set_deferred("monitoring", false)