Use entity.send() for nearby message broadcasting

src/mudlib/commands/movement.py

@@ -69,8 +69,7 @@ async def move_player(player: Player, dx: int, dy: int, direction_name: str) ->
 
     # Check if the target is passable
     if not world.is_passable(target_x, target_y):
-        player.writer.write("You can't go that way.\r\n")
-        await player.writer.drain()
+        await player.send("You can't go that way.\r\n")
         return
 
     # Send departure message to players in the old area
@@ -116,8 +115,7 @@ async def send_nearby_message(player: Player, x: int, y: int, message: str) -> N
         dx_dist = min(dx_dist, world.width - dx_dist)
         dy_dist = min(dy_dist, world.height - dy_dist)
         if dx_dist <= viewport_range and dy_dist <= viewport_range:
-            other.writer.write(message)
-            await other.writer.drain()
+            await other.send(message)
 
 
 # Define individual movement command handlers