public Cart(BaseTrack track)
{
IsFull = true;
PlacedOn = track;
PlacedOn.Put(this);
HasUnloaded = false;
}
public virtual bool MovePossible()
{
if (NextTrack is JoinTrack)
{
BaseTrack t = null;
((JoinTrack)NextTrack).PreviousTracks.TryGetValue(((JoinTrack)NextTrack).CurrentDirection, out t);
if (!t.Equals(this))
{
return(false);
}
}
return(true);
}
public void FindNextTrack()
{
foreach (Track s in SurroundingTracks.Values)
{
if (s is BaseTrack)
{
if (((BaseTrack)s).NextTrack == null)
{
this.NextTrack = (BaseTrack)s;
return;
}
}
}
}
public override void Switch()
{
BaseTrack temp = NextTrack;
NextTrack = SecondNextTrack;
SecondNextTrack = temp;
if (CurrentDirection.Equals(Direction.UP))
{
CurrentDirection = Direction.DOWN;
}
else
{
CurrentDirection = Direction.UP;
}
}
public override void Switch()
{
BaseTrack previousTrack = null;
PreviousTracks.TryGetValue(CurrentDirection, out previousTrack);
if (CurrentDirection.Equals(Direction.UP))
{
CurrentDirection = Direction.DOWN;
}
else
{
CurrentDirection = Direction.UP;
}
PreviousTracks.TryGetValue(CurrentDirection, out previousTrack);
previousTrack.NextTrack = this; //Tell track in current direction it has a next track }
}
public void AddTrack(int i, int j, char c, Track[,] map)
{
switch (c)
{
case '-':
if (i == 4 && j == 0)
{
map[i, j] = new FinalTrack(c);
}
else
{
map[i, j] = new BaseTrack(c);
}
break;
case '!':
_numOfSwitches++;
if (!(map[i, j - 1].GetSymbol().Equals('-')))
{
map[i, j] = new JoinTrack(_numOfSwitches, Direction.DOWN);
}
else
{
map[i, j] = new ForkTrack(_numOfSwitches, Direction.DOWN);
}
break;
case '¡':
_numOfSwitches++;
if (!(map[i, j - 1].GetSymbol().Equals('-')))
{
map[i, j] = new JoinTrack(_numOfSwitches, Direction.UP);
}
else
{
map[i, j] = new ForkTrack(_numOfSwitches, Direction.DOWN);
}
break;
case '=':
map[i, j] = new HoldingTrack(c);
break;
case 'K':
map[i, j] = new DockTrack(c, _waterAtDock);
break;
case 'A':
case 'B':
case 'C':
map[i, j] = new Warehouse(c);
break;
case ' ':
map[i, j] = new SpaceTrack(c);
break;
case '0':
_waterAtDock = new WaterTrack(':');
Ship = new Ship(_waterAtDock);
_waterAtDock.Ship = Ship;
map[i, j] = _waterAtDock;
break;
case ':':
case '~':
map[i, j] = new WaterTrack(c);
break;
default:
break;
}
}
public void ConnectBaseTracks()
{
List <Warehouse> warehouses = GetWarehouses();
foreach (Warehouse w in warehouses)
{
bool finalReached = false;
BaseTrack currentTrack = w;
while (true)
{
finalReached = false;
foreach (Track s in currentTrack.SurroundingTracks.Values)
{
if (s is BaseTrack)
{
if (currentTrack is JoinTrack)
{
Track b = null;
currentTrack.SurroundingTracks.TryGetValue(Direction.RIGHT, out b);
currentTrack.NextTrack = (BaseTrack)b;
currentTrack = currentTrack.NextTrack;
break;
}
else if (currentTrack is ForkTrack)
{
Track b = null;
if (((ForkTrack)currentTrack).HasBeenPassed)
{
currentTrack.SurroundingTracks.TryGetValue(((ForkTrack)currentTrack).OppositeDirection, out b);
((ForkTrack)currentTrack).SecondNextTrack = (BaseTrack)b;
currentTrack = ((ForkTrack)currentTrack).SecondNextTrack;
}
else
{
currentTrack.SurroundingTracks.TryGetValue(((ForkTrack)currentTrack).CurrentDirection, out b);
currentTrack.NextTrack = (BaseTrack)b;
((ForkTrack)currentTrack).HasBeenPassed = true;
currentTrack = currentTrack.NextTrack;
}
break;
}
else if (s is JoinTrack)
{
Track b = null;
currentTrack.SurroundingTracks.TryGetValue(Direction.LEFT, out b);
if (!(s.Equals((BaseTrack)b)))
{
currentTrack.SurroundingTracks.TryGetValue(Direction.UP, out b);
if (s.Equals(b))
{
((JoinTrack)s).PreviousTracks.Add(Direction.DOWN, currentTrack);
}
else
{
((JoinTrack)s).PreviousTracks.Add(Direction.UP, currentTrack);
}
currentTrack.NextTrack = (BaseTrack)s;
currentTrack = currentTrack.NextTrack;
break;
}
}
else if (((BaseTrack)s).NextTrack != null) // if track already is assigned with a nexttrack
{
if (currentTrack.NextTrack != null && currentTrack.NextTrack.Equals(s))
{
currentTrack = currentTrack.NextTrack;
break;
}
else if (s is HoldingTrack)
{
break;
}
}
else if (((BaseTrack)s).NextTrack == null && (!(s is Warehouse)))
{
currentTrack.NextTrack = (BaseTrack)s;
currentTrack = currentTrack.NextTrack;
if (s is FinalTrack)
{
finalReached = true;
}
break;
}
}
if (finalReached == true)
{
break;
}
}
if (finalReached == true || (!(currentTrack.SurroundingTracks.ContainsKey(Direction.LEFT)) && !(currentTrack is Warehouse)))
{
break; //go to next warehouse
}
}
}
}
