The Cove's wreck: driftwood and salt on the beach, the captain's sea chest (a treasure map, nails, salt; once each), each player's own X on the map; online too

scripts/world/wreck_chest.gd

@@ -0,0 +1,23 @@
+extends StaticBody3D
+## The wreck's sea chest (wreck.gd): what you look at and press E on. Online,
+## your game asks the server, which gives you your share once.
+
+var wreck: Node3D
+
+func interact_prompt(player: Node) -> String:
+	if wreck.had(_id(player)):
+		return "The captain's sea chest (empty: you've had what was in it)"
+	return "[E] Open the captain's sea chest"
+
+func interact(player: Node) -> void:
+	if wreck.world.is_online():
+		PlayerNet.ask("wreck_chest", [])
+		return
+	wreck.open_for(player, _id(player))
+
+## Whose share: the player's id (a server's character, or, at home, yours).
+static func _id(player: Node) -> String:
+	var pid: Variant = player.get("player_id")
+	if pid != null and not String(pid).is_empty():
+		return String(pid)
+	return String(Net.get_identity().player_id)