private void MovedOrRefresh(Player player, SeenRoom room, RoomDisplayCommand command, Direction?direction)
{
if (player.RoomDetectionState == RoomDetectionState.HaveMatch && command == RoomDisplayCommand.Move && direction != null)
{
// user is moving, verify that the new room we are in is in fact what we think it is.
VerifyNewRoom(player.LastSeenRoom, direction.Value, room, player);
}
else
{
// first find a potential match for the room.
FindPotentialRoomMatch(room, player);
if (room.PotentialMatches.Count == 1)
{
// we found a definite match, simply set the current room and be done with it.
SetCurrentRoom(RoomDetectionState.HaveMatch, room, player);
}
else if (room.PotentialMatches.Count == 0)
{
// found a room that we have no idea where it is, so we're officially lost.
SetCurrentRoom(RoomDetectionState.NoClue, null, player);
}
else
{
if (player.RoomDetectionState == RoomDetectionState.HaveMatches && direction != null)
{
player.LastSeenRoom.AdjacentRooms[(int)direction] = room;
SetCurrentRoom(RoomDetectionState.HaveMatches, room, player);
CalculateRoomWeb(player);
}
else if (command == RoomDisplayCommand.Refresh && player.RoomDetectionState == RoomDetectionState.HaveMatch && room.HasMatch(player.LastSeenRoom.Match.RoomNumber))
{
// player refreshed, so if we had a match don't overwrite it with an ambiguity.
return;
}
else if (player.RoomDetectionState == RoomDetectionState.HaveMatch && command == RoomDisplayCommand.Move && direction == null)
{
// We couldn't tell what direction the user moved, so look at the adjacent rooms and see if there's a single match.
var adjacentRooms = player.LastSeenRoom.Match.GetAdjacentRoomNumbers();
var narrowedList = room.PotentialMatches.Where(p => adjacentRooms.Any(a => p.RoomNumber == a));
if (narrowedList.Count() == 1)
{
room.PotentialMatches.RemoveAll(x => x.RoomNumber != narrowedList.First().RoomNumber);
// found a definite match, let's assume the user moved there.
SetCurrentRoom(RoomDetectionState.HaveMatch, room, player);
return;
}
}
else
{
SetCurrentRoom(RoomDetectionState.HaveMatches, room, player);
}
}
}
}
public static void ParseUserCommand(Player player, out RoomDisplayCommand command, out Direction?direction)
{
command = RoomDisplayCommand.Unknown;
direction = null;
if (player.LastConfirmedCommand != null)
{
var tokens = player.LastConfirmedCommand.ToLowerInvariant().Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
if (tokens.Length > 1 && player.Model.IsCommand(Command.Look, tokens[0]))
{
command = RoomDisplayCommand.Look;
direction = player.Model.IsDirectionCommand(tokens[1]);
player.Interface.DebugText("Player looking " + player.Model.PlainExitNames[(int)direction]);
}
else if (tokens.Length == 0 || (tokens.Length == 1 && player.Model.IsCommand(Command.Look, tokens[0])))
{
command = RoomDisplayCommand.Refresh;
player.Interface.DebugText("Player refreshing room view.");
}
else if (tokens.Length > 0)
{
command = RoomDisplayCommand.Move;
direction = player.Model.IsDirectionCommand(tokens[0]);
if (direction == null && player.RoomDetectionState == RoomDetectionState.HaveMatch)
{
var exits = (from e in player.LastSeenRoom.Match.GetExits()
from me in player.Model.Messages
from msg in me.Messages()
where e.ExitType == ExitType.Text &&
me.Number == e.Parameter1 &&
msg.Equals(player.LastConfirmedCommand, StringComparison.InvariantCultureIgnoreCase)
select e).ToList();
if (exits.Count == 1)
{
direction = exits[0].Direction;
}
}
if (direction != null)
{
player.Interface.DebugText("Player moving " + player.Model.PlainExitNames[(int)direction]);
}
else
{
player.Interface.DebugText("Player moved, but I don't know what direction.");
}
}
}
}
