void IAutomapCanvas.AddExitStub(Room room, AutomapDirection direction)
{
if (!Project.Current.Elements.Contains(room))
{
// avoid issues if the user has just deleted one of these rooms
return;
}
var sourceCompassPoint = CompassPointHelper.GetCompassDirection(direction);
var connection = addConnection(room, sourceCompassPoint, room, sourceCompassPoint);
switch (direction)
{
case AutomapDirection.Up:
connection.StartText = Connection.Up;
break;
case AutomapDirection.Down:
connection.StartText = Connection.Down;
break;
}
}
public void SelectRoom(Room room)
{
try { m_control.Invoke((MethodInvoker) delegate { m_canvas.SelectRoom(room); }); }
catch (Exception)
{
}
}
public void RemoveExitStub(Room room, AutomapDirection direction)
{
try { m_control.Invoke((MethodInvoker) delegate { m_canvas.RemoveExitStub(room, direction); }); }
catch (Exception)
{
}
}
public Room CreateRoom(Room existing, AutomapDirection directionFromExisting, string roomName, string line)
{
Room room = null;
try { m_control.Invoke((MethodInvoker) delegate { room = m_canvas.CreateRoom(existing, directionFromExisting, roomName,line); }); }
catch (Exception)
{
}
return room;
}
Room IAutomapCanvas.CreateRoom(Room existing, string name)
{
// start by placing the room at the origin
var room = new Room(Project.Current);
room.Name = name;
if (existing != null)
{
// if we know which room we were just in, start at that instead
room.Position = existing.Position;
}
room.Position = Settings.Snap(room.Position);
// while we can't place the room, try to the left, then the right,
// expanding our distance as we go, until we find a blank space.
var tryOtherSideNext = false;
var tryLeft = true;
var distance = 0;
var initialPosition = room.Position;
while (AnyRoomsIntersect(room))
{
if (tryOtherSideNext)
{
tryLeft = !tryLeft;
tryOtherSideNext = false;
}
else
{
tryOtherSideNext = true;
++distance;
}
if (tryLeft)
{
room.Position = Settings.Snap(new Vector(initialPosition.X - distance*(Settings.PreferredDistanceBetweenRooms + room.Width), room.Position.Y));
}
else
{
room.Position = Settings.Snap(new Vector(initialPosition.X + distance*(Settings.PreferredDistanceBetweenRooms + room.Width), room.Position.Y));
}
Debug.WriteLine(string.Format("Try again, more to the {0}.", tryLeft ? "left" : "right"));
}
// after we set the position, set this flag,
// since setting the position clears this flag if set.
room.ArbitraryAutomappedPosition = true;
Project.Current.Elements.Add(room);
return room;
}
public void AddAmbiguousRoom(Room room)
{
m_roomNamesListBox.Items.Add(new AmbiguousRoom(room));
}
private void DeduceExitsFromDescription(Room room, string description)
{
if (!m_settings.GuessExits)
{
// we're disabled; do nothing
return;
}
if (string.IsNullOrEmpty(description))
{
// we don't have a description to work from
return;
}
// lowercase the description
description = description.ToLowerInvariant();
// search it for the names of compass directions
foreach (var pair in s_namesForExitsInRoomDescriptions)
{
var directions = pair.Key;
var namesOfExits = pair.Value;
foreach (var directionName in namesOfExits)
{
var index = description.IndexOf(directionName);
if (index != -1)
{
// we found one
if (index == 0 || !char.IsLetterOrDigit(description[index - 1]))
{
// it's not the middle/end of a longer word
if (index + directionName.Length == description.Length || !char.IsLetterOrDigit(description[index + directionName.Length]))
{
// it's not the middle/start of a longer word
// add all relevant exits
foreach (var direction in directions)
{
m_canvas.AddExitStub(room, direction);
}
}
}
}
}
}
}
private bool? Match(Room room, string name, string description)
{
if (room == null)
{
// never match a null room; this shouldn't happen anyway
return false;
}
if (room.Name != name)
{
return false;
}
if (!m_settings.VerboseTranscript)
{
// transcript is not verbose;
// must assume room with same name is same room,
// otherwise the user has to disambiguate potentially without descriptions, and very frequently.
return true;
}
if (m_settings.AssumeRoomsWithSameNameAreSameRoom)
{
// ignore the description
return true;
}
if (room.MatchDescription(description))
{
// the descriptions match; they're the same room
return true;
}
// the descriptions don't match; they may or may not be the same room
return null;
}
private void PositionRelativeTo(Room room, Room existing, CompassPoint existingCompassPoint, out Vector delta)
{
delta = CompassPointHelper.GetAutomapDirectionVector(existingCompassPoint);
delta.X *= Settings.PreferredDistanceBetweenRooms + room.Width;
delta.Y *= Settings.PreferredDistanceBetweenRooms + room.Height;
var newRoomCenter = existing.InnerBounds.Center + delta;
room.Position = Settings.Snap(new Vector(newRoomCenter.X - room.Width/2, newRoomCenter.Y - room.Height/2));
}
private Connection FindConnection(Room source, Room target, CompassPoint? directionFromSource, out bool wrongWay)
{
foreach (var element in Project.Current.Elements)
{
if (element is Connection)
{
var connection = (Connection) element;
CompassPoint fromDirection, toDirection;
var fromRoom = connection.GetSourceRoom(out fromDirection);
var toRoom = connection.GetTargetRoom(out toDirection);
if (fromRoom == source && toRoom == target && (directionFromSource == null || ApproximateDirectionMatch(directionFromSource.Value, fromDirection)))
{
// the two rooms are connected already in the given direction, A to B or both ways.
wrongWay = false;
return connection;
}
if (fromRoom == target && toRoom == source && (directionFromSource == null || ApproximateDirectionMatch(directionFromSource.Value, toDirection)))
{
// the two rooms are connected already in the given direction, B to A or both ways.
wrongWay = connection.Flow == ConnectionFlow.OneWay;
return connection;
}
}
}
wrongWay = false;
return null;
}
private bool AnyRoomsIntersect(Room room)
{
var bounds = room.InnerBounds;
foreach (var element in Project.Current.Elements)
{
if (element is Room && element != room && element.Intersects(bounds))
{
Debug.WriteLine("{0} is blocking {1}.", (element as Room).Name, room.Name);
return true;
}
}
return false;
}
void IAutomapCanvas.SelectRoom(Room room)
{
if (!Project.Current.Elements.Contains(room))
{
// avoid issues if the user has just deleted this room
return;
}
SelectedElement = room;
if (room != null)
{
EnsureVisible(room);
}
}
void IAutomapCanvas.RemoveExitStub(Room room, AutomapDirection direction)
{
if (!Project.Current.Elements.Contains(room))
{
// avoid issues if the user has just deleted one of these rooms
return;
}
var compassPoint = CompassPointHelper.GetCompassDirection(direction);
foreach (var connection in room.GetConnections(compassPoint))
{
CompassPoint sourceCompassPoint, targetCompassPoint;
var source = connection.GetSourceRoom(out sourceCompassPoint);
var target = connection.GetTargetRoom(out targetCompassPoint);
if (source == room && target == room && sourceCompassPoint == compassPoint && targetCompassPoint == compassPoint)
{
Project.Current.Elements.Remove(connection);
}
}
}
Room IAutomapCanvas.CreateRoom(Room existing, AutomapDirection directionFromExisting, string roomName, string line)
{
if (!Project.Current.Elements.Contains(existing))
{
// avoid issues if the user has just deleted the existing room
return null;
}
var room = new Room(Project.Current) {Name = roomName};
if (line != roomName)
{
room.SubTitle = line.Replace(roomName, "");
}
Vector delta;
PositionRelativeTo(room, existing, CompassPointHelper.GetCompassDirection(directionFromExisting), out delta);
if (AnyRoomsIntersect(room))
{
ShiftMap(room.InnerBounds, delta);
Debug.WriteLine("Shift map.");
}
Project.Current.Elements.Add(room);
return room;
}
private bool TryMoveRoomForTidyConnection(Room source, CompassPoint targetCompassPoint, Room target)
{
var sourceArbitrary = source.ArbitraryAutomappedPosition;
var sourcePosition = source.Position;
Vector delta;
PositionRelativeTo(source, target, targetCompassPoint, out delta);
if (AnyRoomsIntersect(source))
{
// didn't work; restore previous position
source.Position = sourcePosition;
source.ArbitraryAutomappedPosition = sourceArbitrary;
return false;
}
// that's better
return true;
}
void IAutomapCanvas.Connect(Room source, AutomapDirection directionFromSource, Room target)
{
if (!Project.Current.Elements.Contains(source) || !Project.Current.Elements.Contains(target))
{
// avoid issues if the user has just deleted one of these rooms
return;
}
// work out the correct compass point to use for the given direction
// look for existing connections:
// if the given direction is up/down/in/out, any existing connection will suffice;
// otherwise, only match an existing connection if it's pretty close to the one we want.
var sourceCompassPoint = CompassPointHelper.GetCompassDirection(directionFromSource);
CompassPoint? acceptableSourceCompassPoint;
switch (directionFromSource)
{
case AutomapDirection.Up:
case AutomapDirection.Down:
case AutomapDirection.In:
case AutomapDirection.Out:
acceptableSourceCompassPoint = null; // any existing connection will do
break;
default:
acceptableSourceCompassPoint = sourceCompassPoint;
break;
}
bool wrongWay;
var connection = FindConnection(source, target, acceptableSourceCompassPoint, out wrongWay);
if (connection == null)
{
// there is no suitable connection between these rooms:
var targetCompassPoint = CompassPointHelper.GetAutomapOpposite(sourceCompassPoint);
// check whether we can move one of the rooms to make the connection tidier;
// we won't need this very often, but it can be useful especially if the user teleports into a room
// and then steps out into an existing one (this can appear to happen if the user moves into a
// dark room, turns on the light, then leaves).
TryMoveRoomsForTidyConnection(source, sourceCompassPoint, target, targetCompassPoint);
// add a new connection
connection = addConnection(source, sourceCompassPoint, target, targetCompassPoint);
connection.Style = ConnectionStyle.Solid;
connection.Flow = ConnectionFlow.OneWay;
}
else if (wrongWay)
{
// there is a suitable connection between these rooms, but it goes the wrong way;
// make it bidirectional since we can now go both ways.
connection.Flow = ConnectionFlow.TwoWay;
}
// if this is an up/down/in/out connection, mark it as such;
// but don't override any existing text.
switch (directionFromSource)
{
case AutomapDirection.Up:
case AutomapDirection.Down:
case AutomapDirection.In:
case AutomapDirection.Out:
if (string.IsNullOrEmpty(connection.StartText) && string.IsNullOrEmpty(connection.EndText))
{
switch (directionFromSource)
{
case AutomapDirection.Up:
connection.SetText(wrongWay ? ConnectionLabel.Down : ConnectionLabel.Up);
break;
case AutomapDirection.Down:
connection.SetText(wrongWay ? ConnectionLabel.Up : ConnectionLabel.Down);
break;
case AutomapDirection.In:
connection.SetText(wrongWay ? ConnectionLabel.Out : ConnectionLabel.In);
break;
case AutomapDirection.Out:
connection.SetText(wrongWay ? ConnectionLabel.In : ConnectionLabel.Out);
break;
}
}
break;
}
}
private void TryMoveRoomsForTidyConnection(Room source, CompassPoint sourceCompassPoint, Room target, CompassPoint targetCompassPoint)
{
if (source.ArbitraryAutomappedPosition && !source.IsConnected)
{
if (TryMoveRoomForTidyConnection(source, targetCompassPoint, target))
{
return;
}
}
if (target.ArbitraryAutomappedPosition && !target.IsConnected)
{
TryMoveRoomForTidyConnection(target, sourceCompassPoint, source);
}
}
private void NowInRoom(Room room)
{
m_lastKnownRoom = room;
m_canvas.SelectRoom(room);
}
public void Connect(Room source, AutomapDirection directionFromSource, Room target)
{
try { m_control.Invoke((MethodInvoker) delegate { m_canvas.Connect(source, directionFromSource, target); }); }
catch (Exception)
{
}
}
public AmbiguousRoom(Room room)
{
Room = room;
}
public Room CreateRoom(Room existing, string name)
{
Room room = null;
try { m_control.Invoke((MethodInvoker) delegate { room = m_canvas.CreateRoom(existing, name); }); }
catch (Exception)
{
}
return room;
}
public bool Load()
{
try
{
if (new FileInfo(FileName).Length == 0)
{
// this is an empty file, probably thanks to our Explorer New->Trizbort Map menu option.
Settings.Reset();
return true;
}
var doc = new XmlDocument();
doc.Load(FileName);
var root = new XmlElementReader(doc.DocumentElement);
if (!root.HasName("trizbort"))
throw new InvalidDataException(string.Format("Not a {0} map file.", Application.ProductName));
// load info
Title = root["info"]["title"].Text;
Author = root["info"]["author"].Text;
Description = root["info"]["description"].Text;
History = root["info"]["history"].Text;
// load all elements
var map = root["map"];
var mapConnectionToLoadState = new Dictionary<Connection, object>();
foreach (var element in map.Children)
{
if (element.HasName("room"))
{
var room = new Room(this);
room.ID = element.Attribute("id").ToInt(room.ID);
room.Load(element);
Elements.Add(room);
}
else if (element.HasName("line"))
{
var connection = new Connection(this);
connection.ID = element.Attribute("id").ToInt(connection.ID);
var loadState = connection.BeginLoad(element);
if (loadState != null)
{
mapConnectionToLoadState.Add(connection, loadState);
}
Elements.Add(connection);
}
}
// connect them together
foreach (var pair in mapConnectionToLoadState)
{
var connection = pair.Key;
var state = pair.Value;
connection.EndLoad(state);
}
// load settings last, since their load can't be undone
Settings.Reset();
Settings.Load(root["settings"]);
return true;
}
catch (Exception ex)
{
MessageBox.Show(Program.MainForm, string.Format("There was a problem loading the map:\n\n{0}", ex.Message), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
}
public CompassPort(CompassPoint compassPoint, Room room)
: base(room)
{
CompassPoint = compassPoint;
Room = room;
}