private bool NoStall(Coordinate position, BarrierOrientation orientation)
{
var barrierPosition = new Barrier(position, orientation, BarrierPiece.Head);
var barrierH = new Barrier(new Coordinate(position.First + 1, position.Second), orientation, BarrierPiece.Tail);
var barrierV = new Barrier(new Coordinate(position.First, position.Second + 1), orientation, BarrierPiece.Tail);
if (orientation.Equals(BarrierOrientation.Horizontal))
{
var playerBarrier = new List <IBarrier> {
barrierPosition, barrierH
};
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player1Position, this.player1FinishLine))
{
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player2Position, this.player2FinishLine))
{
return(true);
}
}
return(false);
}
else
{
var playerBarrier = new List <IBarrier> {
barrierPosition, barrierV
};
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player1Position, this.player1FinishLine))
{
if (this.barriers.GetBarriersAsGraph().ContainsPath(BarriersGraph.BarriersAsEdgesToRemove(playerBarrier), this.player2Position, this.player2FinishLine))
{
return(true);
}
}
return(false);
}
}
private bool IsEmptyPosition(Coordinate position, BarrierOrientation orientation)
{
if (this.barriers.Contains(new Barrier(position, BarrierOrientation.Horizontal, BarrierPiece.Head)))
{
return(false);
}
if (this.barriers.Contains(new Barrier(position, BarrierOrientation.Vertical, BarrierPiece.Head)))
{
Console.WriteLine("Not empty!!");
return(false);
}
if (this.barriers.Contains(new Barrier(position, BarrierOrientation.Horizontal, BarrierPiece.Tail)))
{
if (orientation.Equals(BarrierOrientation.Horizontal))
{
Console.WriteLine("Not empty!!");
return(false);
}
else
{
if (!this.CheckEmptyNextPosition(position, orientation))
{
return(false);
}
}
}
if (this.barriers.Contains(new Barrier(position, BarrierOrientation.Vertical, BarrierPiece.Tail)))
{
if (orientation.Equals(BarrierOrientation.Vertical))
{
Console.WriteLine("Not empty!!");
return(false);
}
else
{
if (!this.CheckEmptyNextPosition(position, orientation))
{
return(false);
}
}
}
if (!this.CheckEmptyNextPosition(position, orientation))
{
return(false);
}
return(true);
}
private bool CheckEmptyNextPosition(Coordinate position, BarrierOrientation orientation)
{
if (this.barriers.Contains(new Barrier(new Coordinate(position.First + 1, position.Second), BarrierOrientation.Horizontal, BarrierPiece.Head)))
{
if (orientation.Equals(BarrierOrientation.Horizontal))
{
Console.WriteLine("Not empty!!");
return(false);
}
}
if (this.barriers.Contains(new Barrier(new Coordinate(position.First, position.Second + 1), BarrierOrientation.Vertical, BarrierPiece.Head)))
{
if (orientation.Equals(BarrierOrientation.Vertical))
{
Console.WriteLine("Not empty!!");
return(false);
}
}
return(true);
}
public void PlaceBarrier(Coordinate position, BarrierOrientation orientation)
{
if (this.CheckPlacement(position, orientation))
{
this.player1Barriers--;
if (orientation.Equals(BarrierOrientation.Horizontal))
{
this.barriers.Add(new Barrier(position, orientation, BarrierPiece.Head));
this.barriers.Add(new Barrier(new Coordinate(position.First + 1, position.Second), orientation, BarrierPiece.Tail));
}
else
{
this.barriers.Add(new Barrier(position, orientation, BarrierPiece.Head));
this.barriers.Add(new Barrier(new Coordinate(position.First, position.Second + 1), orientation, BarrierPiece.Tail));
}
}
else
{
Console.WriteLine("Bad move! Still your turn!");
}
}
public Barrier(Coordinate coordinate, BarrierOrientation orientation, BarrierPiece piece)
{
Coordinate = coordinate;
Orientation = orientation;
Piece = piece;
}
public bool CheckPlacement(Coordinate position, BarrierOrientation orientation)
{
return(this.IsEmptyPosition(position, orientation) && this.EnoughBarriers() && this.CheckEdge(position) && this.NoStall(position, orientation) ? true : false);
}
