public bool AddDoubleEdgedPipe(Coordinate position, EdgeType firstEdge, EdgeType secondEdge)
{
var pipe = new DoubleEdgedPipe(firstEdge, secondEdge);
var block = GetBlock(position);
if (block != null)
{
if (!CheckIfDoubleEdgeAlreadyExists(pipe, block))
{
if (!(block.HasShipComponent()))
{
var intersectingPipe = HasIntersectingPipes(block, pipe);
if (intersectingPipe != null)
{
blueprint.PlaceShipComponent(position, emptyShipComponentFactory.Create(block));
TransformDoubleEdgedPipeIntoConnectingPipe(position, intersectingPipe);
TransformDoubleEdgedPipeIntoConnectingPipe(position, pipe);
ClearPipes(position, block.PipesWithBothEdges);
}
else
{
blueprint.PlacePipe(position, pipe);
}
return(true);
}
else
{
TransformDoubleEdgedPipeIntoConnectingPipe(position, pipe);
return(true);
}
}
return(false);
}
return(false);
}
public bool DeleteDoubleEdgedPipe(Coordinate position, DoubleEdgedPipe pipe)
{
var block = GetBlock(position);
if (block != null)
{
if (CheckIfDoubleEdgeAlreadyExists(pipe, block))
{
var p = GetDoubleEdgedPipe(pipe, block);
blueprint.RemovePipe(position, p);
return(true);
}
if (CheckIfDoubleEdgedPipeCanBeComposedOfTwoConnectingPipes(pipe, block))
{
var list = GetConnectingPipesThatComposeTwoEdgedPipe(pipe, block);
foreach (var p in list)
{
blueprint.RemovePipe(position, p);
}
return(true);
}
}
return(false);
}
public void PlacePipe(Coordinate position, DoubleEdgedPipe pipe)
{
blocks.Get(position).AddPipe(pipe);
foreach (var observer in observers)
{
observer.DoubleEdgePipeAdded(this, position, pipe);
}
}
public void RemovePipe(Coordinate position, DoubleEdgedPipe pipe)
{
blocks.Get(position).DeletePipe(pipe);
foreach (var observer in observers)
{
observer.DoubleEdgePipeDeleted(this, position, pipe);
}
}
private DoubleEdgedPipe GetDoubleEdgedPipe(DoubleEdgedPipe pipe, IConstBlock block)
{
foreach (var p in block.PipesWithBothEdges)
{
if (p.IsEqualTo(pipe))
{
return(p);
}
}
return(null);
}
private List <ConnectingPipe> GetConnectingPipesThatComposeTwoEdgedPipe(DoubleEdgedPipe pipe, IConstBlock block)
{
var list = new List <ConnectingPipe>();
foreach (var connectingPipe in block.PipesWithOneEdge)
{
if (connectingPipe.Edge == pipe.FirstEdge || connectingPipe.Edge == pipe.SecondEdge)
{
list.Add(connectingPipe);
}
}
return(list);
}
private bool DoPipesIntersect(DoubleEdgedPipe pipe1, DoubleEdgedPipe pipe2)
{
if ((pipe1.FirstEdge == EdgeType.UP && pipe1.SecondEdge == EdgeType.DOWN) || (pipe1.FirstEdge == EdgeType.DOWN && pipe1.SecondEdge == EdgeType.UP))
{
if ((pipe2.FirstEdge == EdgeType.LEFT && pipe2.SecondEdge == EdgeType.RIGHT) || (pipe2.FirstEdge == EdgeType.RIGHT && pipe2.SecondEdge == EdgeType.LEFT))
{
return(true);
}
}
if ((pipe1.FirstEdge == EdgeType.LEFT && pipe1.SecondEdge == EdgeType.RIGHT) || (pipe1.FirstEdge == EdgeType.RIGHT && pipe1.SecondEdge == EdgeType.LEFT))
{
if ((pipe2.FirstEdge == EdgeType.UP && pipe2.SecondEdge == EdgeType.DOWN) || (pipe2.FirstEdge == EdgeType.DOWN && pipe2.SecondEdge == EdgeType.UP))
{
return(true);
}
}
return(false);
}
private bool CheckIfDoubleEdgedPipeCanBeComposedOfTwoConnectingPipes(DoubleEdgedPipe pipe, IConstBlock block)
{
return(block.PipesWithOneEdge.Select(p => p.Edge).ToList().Any(p => p == pipe.FirstEdge) &&
block.PipesWithOneEdge.Select(p => p.Edge).ToList().Any(p => p == pipe.SecondEdge));
}
private bool CheckIfDoubleEdgeAlreadyExists(DoubleEdgedPipe pipe, IConstBlock block)
{
return(block.PipesWithBothEdges.Any(p => p.IsEqualTo(pipe)));
}
private void TransformDoubleEdgedPipeIntoConnectingPipe(Coordinate position, DoubleEdgedPipe pipe)
{
AddConnectingPipe(position, pipe.FirstEdge);
AddConnectingPipe(position, pipe.SecondEdge);
}
private DoubleEdgedPipe HasIntersectingPipes(IConstBlock block, DoubleEdgedPipe pipeToCheck)
{
return(block.PipesWithBothEdges.FirstOrDefault(pipe => DoPipesIntersect(pipe, pipeToCheck)));
}
public void DeletePipe(DoubleEdgedPipe pipe)
{
pipesWithBothEdges.Remove(pipe);
}
public void AddPipe(DoubleEdgedPipe pipe)
{
pipesWithBothEdges.Add(pipe);
}
public bool IsEqualTo(DoubleEdgedPipe pipe)
{
return((FirstEdge == pipe.FirstEdge && SecondEdge == pipe.SecondEdge) ||
(FirstEdge == pipe.SecondEdge && SecondEdge == pipe.FirstEdge));
}