private void Move(Room room)
{
Room nextRoom = room;
if (!CurrentRoom.IsLit() && !room.Light)
{
room = Rooms.Get <Darkness>();
}
Context.Story.Location = room;
if (!room.Visited)
{
CurrentRoom.Look(true);
room.Initial?.Invoke();
}
else
{
if (!CurrentRoom.IsLit() && room.Visited)
{
nextRoom.DarkToDark();
}
CurrentRoom.Look(false);
}
room.Visited = true;
Context.Story.Location = nextRoom;
}
public void Run()
{
var story = Context.Story;
story.Initialize();
MovePlayer.To(story.Location);
while (!story.IsDone)
{
var room = CurrentRoom.Location;
bool wasLit = CurrentRoom.IsLit();
var parser = new CommandLineParser();
var result = parser.Parse(CommandPrompt.GetInput());
if (result.Error.HasValue())
{
Output.Print(result.Error);
}
else
{
var handler = result.CommandHandler();
handler.Run();
}
if (!wasLit && CurrentRoom.IsLit() && CurrentRoom.Location == room)
{
CurrentRoom.Look(true);
}
if (wasLit && !CurrentRoom.IsLit())
{
Output.Print("\r\nIt is now pitch dark in here!");
}
story.Moves++;
RunDaemons();
story.AfterTurn();
}
}
private CommandLineParserResult Parse(Verb verb, TokenizedInput tokens)
{
var result = new CommandLineParserResult
{
Verb = verb
};
var lastToken = "";
foreach (string token in tokens)
{
var obj = GetObject(result, token);
if (obj is Skip)
{
continue;
}
if (result.Objects.Contains(obj))
{
// will happen for something like "take the brass lamp"
continue;
}
if (obj != null)
{
if (obj.InScope)
{
if (result.Preposition == null || !result.Objects.Any())
{
// handles commands like "put on coat", "put down book", etc.
result.Ordered.Add(obj);
result.Objects.Add(obj);
}
else
{
result.Ordered.Add(obj);
result.IndirectObject = obj;
}
}
else if (obj is MultipleObjectsFound)
{
return(ResolveMultipleObjects(verb, (MultipleObjectsFound)obj));
}
else
{
result.Error = Messages.CantSeeObject;
return(result);
}
}
// distinguish between prepositions and movement - "go south", "put bottle down", "close up grate"
else if ((result.Verb is IDirectionProxy) && token.IsDirection() && !result.Objects.Any())
{
var v = token.ToVerb();
result.Ordered.Add(v);
result.Verb = v;
}
else if (token.IsPreposition())
{
var p = Prepositions.Get(token);
result.Ordered.Add(p);
result.Preposition = p;
}
else if (token == "all" && !result.Objects.Any())
{
result.IsAll = true;
if (!verb.Multi && !verb.MultiHeld)
{
result.Error = Messages.MultiNotAllowed;
break;
}
var multi = new List <Object>();
if (verb.Multi)
{
var objectsInRoom =
from o in CurrentRoom.ObjectsInRoom()
where !o.Animate
select o;
multi.AddRange(objectsInRoom);
}
if (verb.MultiHeld)
{
multi.AddRange(Inventory.Items);
}
// if object count is only 1, we don't add it so it can be handled in the verb using implict
// messages e.g. (the small bottle)
if (multi.Count > 1)
{
result.Objects.AddRange(multi);
}
}
else if (token == "except" && (verb.Multi || verb.MultiHeld) && lastToken == "all")
{
var except = HandleExcept(result, tokens, token);
if (except != null)
{
return(except);
}
break;
}
else
{
obj = result.Objects.FirstOrDefault();
if (obj != null && !result.IsAll)
{
result.Error = Messages.PartialUnderstanding(verb, obj);
}
else
{
result.Error = Messages.CantSeeObject;
}
return(result);
}
lastToken = token;
}
return(result);
}