public SimplePipe this[int x, int y]
{
get
{
var v = ByIndex(x, y).FirstOrDefault(k => !k.Value.IsVirtualPipe);
if (v == null)
return null;
return v.Value;
}
set
{
// assigning null currently does not register spill detection
var IsVirtualPipe = false;
if (value != null)
IsVirtualPipe = value.IsVirtualPipe;
#region Spill
Action<int, int, SimplePipeOnTheField> Spill =
(ox, oy, SpillTarget) =>
{
if (SpillTarget.Value.Output[ox, oy] == null)
if (SpillTarget.Value.SupportedOutput[ox, oy] != null)
{
// once the water gets here we need to spill it on the floor
// it can happen when the pipe is not there or even when the pipe does not accept input
// when the correct pipe is built this event is effectevly detatched
SpillTarget.Value.Output[ox, oy] =
delegate
{
// SpillTarget has filled itself with water
// and needs to continue on the next pipe
// but as we are inside here there is no matching pipe there
var s = new SimplePipe.Missing();
this[SpillTarget.X + ox, SpillTarget.Y + oy] = s;
RefreshPipes();
s.Output.Spill =
delegate
{
// game over!!!
};
// we need to trigger the event
s.Input[-ox, -oy]();
// and when the water hits the floor
// we should trigger end game
};
}
};
#endregion
var DemolitionCost = 0;
if (!IsVirtualPipe)
{
#region remove old pipe
PipesList.Where(k => k.Y == y).Where(k => k.X == x).ToArray().ForEach(
target =>
{
DemolitionCost += target.Value.DemolitionCost;
Console.WriteLine("remove: " + new { target.Value.GetType().Name, target.X, target.Y });
target.Value.Dispose();
PipesList.Remove(target);
new FindSiblings
{
FoundLeft = Left =>
{
Left.Value.Output.Right = null;
if (value != null)
value.Output.Left = null;
Spill(1, 0, Left);
},
FoundRight = Right =>
{
Right.Value.Output.Left = null;
if (value != null)
value.Output.Right = null;
Spill(-1, 0, Right);
},
FoundTop = Top =>
{
Top.Value.Output.Bottom = null;
if (value != null)
value.Output.Top = null;
Spill(0, 1, Top);
},
FoundBottom = Bottom =>
{
Bottom.Value.Output.Top = null;
if (value != null)
value.Output.Bottom = null;
Spill(0, -1, Bottom);
}
}.Apply(PipesList, target);
}
);
#endregion
}
if (value != null)
{
value.PipeParts.ForEach(k => k.Color = this.DefaultPipeColor);
var target =
new SimplePipeOnTheField
{
Value = value,
X = x,
Y = y
};
PipesList.Add(
target
);
Console.WriteLine("add: " + new { target.Value.GetType().Name, target.X, target.Y });
var px = x * Tile.Size + Tile.ShadowBorder;
var py = (1 + y) * Tile.SurfaceHeight + Tile.ShadowBorder - Tile.Size;
value.Container.AttachTo(this.Pipes).MoveTo(px, py);
value.InfoOverlay.AttachTo(this.InfoOverlay).MoveTo(px, py);
if (!IsVirtualPipe)
{
new FindSiblings
{
FoundLeft = Left =>
{
Left.Value.Output.Right = value.Input.Left;
value.Output.Left = Left.Value.Input.Right;
Spill(1, 0, Left);
},
FoundRight = Right =>
{
Right.Value.Output.Left = value.Input.Right;
value.Output.Right = Right.Value.Input.Left;
Spill(-1, 0, Right);
},
FoundTop = Top =>
{
Top.Value.Output.Bottom = value.Input.Top;
value.Output.Top = Top.Value.Input.Bottom;
Spill(0, 1, Top);
},
FoundBottom = Bottom =>
{
Bottom.Value.Output.Top = value.Input.Bottom;
value.Output.Bottom = Bottom.Value.Input.Top;
Spill(0, -1, Bottom);
}
}.Apply(PipesList, target);
Spill(1, 0, target);
Spill(-1, 0, target);
Spill(0, 1, target);
Spill(0, -1, target);
value.ShowBonusPoints(DemolitionCost);
}
}
}
}
public void Apply(IEnumerable<SimplePipeOnTheField> source, SimplePipeOnTheField target)
{
source.Where(k => k.Y == target.Y).FirstOrDefault(k => k.X == target.X - 1).DoIfAny(
FoundLeft
);
source.Where(k => k.Y == target.Y).FirstOrDefault(k => k.X == target.X + 1).DoIfAny(
FoundRight
);
source.Where(k => k.X == target.X).FirstOrDefault(k => k.Y == target.Y - 1).DoIfAny(
FoundTop
);
source.Where(k => k.X == target.X).FirstOrDefault(k => k.Y == target.Y + 1).DoIfAny(
FoundBottom
);
}