Add PrintRoomAction and TeleportAction.announce field

* PrintRoomAction will print a small header and then the room's text.
* TeleportAction now has an announce field (true by default) that will
  print the room's text after moving the player there.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

agame/action.py

@@ -12,6 +12,7 @@ __all__ = (
     "SleepAction",
     "PrintAction",
     "TeleportAction",
+    "PrintRoomAction",
     "GetAction",
     "CheckInvItemsAction",
     "CheckRoomItemsAction",
@@ -78,13 +79,31 @@ class TeleportAction(Action):
     Moves the player to another room.
     """
 
+    # The room ID to teleport to.
     room_id: str
 
+    # Whether to "announce" the teleportation; i.e., print out the room
+    # description after teleporting to it.
+    announce: bool = True
+
     def act(self, game: "Game"):
         assert (
             self.room_id in game.database.rooms
         ), f"could not find room with id {self.room_id}"
         game.room = game.database.rooms[self.room_id]
+        if self.announce:
+            game.say("", "." * 70, "")
+            game.print_room()
+
+
+class PrintRoomAction(Action):
+    """
+    Prints the current room.
+    """
+
+    def act(self, game: "Game"):
+        game.say("", "." * 70, "")
+        game.print_room()
 
 
 @dataclasses.dataclass