protected override Response ProcessInternal(Engine engine, Tokeniser tokens)
{
var directionWord = tokens.Direction;
if (directionWord == null || !WordStore.IsDirection(directionWord))
{
return(new Response("Go where?"));
}
var direction = WordStore.GetDirection(directionWord);
var ego = engine.GameState.Ego;
var response = new Response();
Room newRoom;
if (direction == Direction.Back)
{
if (ego.PreviousRoom != null)
{
newRoom = ego.PreviousRoom;
}
else
{
return(new Response("You've not been anywhere yet!"));
}
}
else
{
newRoom = ego.CurrentRoom.GetNextRoom(direction);
}
if (newRoom == null)
{
return(new Response("You try to walk " + directionWord + ", but realise how bad a mistake that wasa when you walk straight into a solid wall. Your nose will hurt for days."));
}
if (!newRoom.IsAccessible)
{
response.AddMessage("You try, but find that the door is locked.");
}
else
{
ego.MoveTo(newRoom);
response.AddMessage(newRoom.Describe());
}
response.Merge(engine.RunOccurrences(new GoRoom.Trigger(newRoom)));
return(response);
}
