public static TileKey GetDestination(Tile start, FPGATypes.Direction direction, int stepWidth)
{
TileKey targetKey;
if (direction.Equals(FPGATypes.Direction.North))
{
targetKey = new TileKey(start.TileKey.X, start.TileKey.Y - stepWidth);
return(targetKey);
//return FPGA.FPGA.Instance.GetTile(targetKey);
}
else if (direction.Equals(FPGATypes.Direction.South))
{
targetKey = new TileKey(start.TileKey.X, start.TileKey.Y + stepWidth);
return(targetKey);
//return FPGA.FPGA.Instance.GetTile(targetKey);
}
else if (direction.Equals(FPGATypes.Direction.East))
{
targetKey = new TileKey(start.TileKey.X + stepWidth, start.TileKey.Y);
return(targetKey);
//return FPGA.FPGA.Instance.GetTile(targetKey);
}
else if (direction.Equals(FPGATypes.Direction.West))
{
targetKey = new TileKey(start.TileKey.X - stepWidth, start.TileKey.Y);
return(targetKey);
//return FPGA.FPGA.Instance.GetTile(targetKey);
}
else
{
throw new Exception("Unknown direction: " + direction);
}
}
public static IEnumerable <Location> GetDestination(Tile where, Port exit)
{
//SE5BEG2
//SL2BEG1
//SL5BEG2
String portName = exit.ToString();
if (Regex.IsMatch(portName, "(E|N|S|W)(E|N|S|W|L|R)(2|5)BEG") && !Regex.IsMatch(portName, "_"))
{
int distance = int.Parse(portName.Substring(2, 1));
//int index = int.Parse(portName.Substring(6, portName.Length - 6));
//mid
FPGATypes.Direction dir1 = FPGA.FPGATypes.GetDirectionFromString(portName.Substring(0, 1));
int startX = where.LocationX;
int startY = where.LocationY;
int midX;
int midY;
//double lines
if (dir1.Equals(FPGATypes.Direction.East) && distance == 2)
{
midX = startX + 1;
midY = startY;
}
else if (dir1.Equals(FPGATypes.Direction.North) && distance == 2)
{
midX = startX;
midY = startY + 1;
}
else if (dir1.Equals(FPGATypes.Direction.South) && distance == 2)
{
midX = startX;
midY = startY - 1;
}
else if (dir1.Equals(FPGATypes.Direction.West) && distance == 2)
{
midX = startX - 1;
midY = startY;
}
//pent lines
else if (dir1.Equals(FPGATypes.Direction.East) && distance == 5)
{
midX = startX + 3;
midY = startY;
}
else if (dir1.Equals(FPGATypes.Direction.North) && distance == 5)
{
midX = startX;
midY = startY + 3;
}
else if (dir1.Equals(FPGATypes.Direction.South) && distance == 5)
{
midX = startX;
midY = startY - 3;
}
else if (dir1.Equals(FPGATypes.Direction.West) && distance == 5)
{
midX = startX - 3;
midY = startY;
}
else
{
throw new ArgumentException("Can not handle port " + exit);
}
String locationFirstPart = Regex.Split(where.Location, "_")[0];
String midTargetLocation = locationFirstPart + "_X" + midX.ToString() + "Y" + midY.ToString();
if (FPGA.FPGA.Instance.Contains(midTargetLocation))
{
Tile midTarget = FPGA.FPGA.Instance.GetTile(midTargetLocation);
Port midEnter = new Port(Regex.Replace(portName, "BEG", "MID"));
//return mid
yield return(new Location(midTarget, midEnter));
}
int endX;
int endY;
FPGATypes.Direction dir2;
String dir2String = portName.Substring(1, 1);
if (Regex.IsMatch(dir2String, "(R|L)"))
{
dir2 = dir1;
}
else
{
dir2 = FPGA.FPGATypes.GetDirectionFromString(dir2String);
}
//double lines
if (dir2.Equals(FPGATypes.Direction.East) && distance == 2)
{
endX = midX + 1;
endY = midY;
}
else if (dir2.Equals(FPGATypes.Direction.North) && distance == 2)
{
endX = midX;
endY = midY + 1;
}
else if (dir2.Equals(FPGATypes.Direction.South) && distance == 2)
{
endX = midX;
endY = midY - 1;
}
else if (dir2.Equals(FPGATypes.Direction.West) && distance == 2)
{
endX = midX - 1;
endY = midY;
}
//pent lines
else if (dir2.Equals(FPGATypes.Direction.East) && distance == 5)
{
endX = midX + 2;
endY = midY;
}
else if (dir2.Equals(FPGATypes.Direction.North) && distance == 5)
{
endX = midX;
endY = midY + 2;
}
else if (dir2.Equals(FPGATypes.Direction.South) && distance == 5)
{
endX = midX;
endY = midY - 2;
}
else if (dir2.Equals(FPGATypes.Direction.West) && distance == 5)
{
endX = midX - 2;
endY = midY;
}
else
{
throw new ArgumentException("Can not handle port " + exit);
}
String endTargetLocation = locationFirstPart + "_X" + endX.ToString() + "Y" + endY.ToString();
if (FPGA.FPGA.Instance.Contains(endTargetLocation))
{
Tile endTarget = FPGA.FPGA.Instance.GetTile(endTargetLocation);
Port endEnter = new Port(Regex.Replace(portName, "BEG", "END"));
//return mid
yield return(new Location(endTarget, endEnter));
}
}
else if (Regex.IsMatch(portName, "^L(V|H)(0|18)$"))
{
/*
* foreach (Tuple<String, String> nextWire in where.GetAllConnectedWires(portName))
* {
* if (Regex.IsMatch(nextWire.Value, "^L(V|H)(0|6|12|18)"))
* {
* if (FPGA.FPGA.Instance.Contains(nextWire.Key))
* {
* Tile targetTile = FPGA.FPGA.Instance.GetTile(nextWire.Key);
* Port targetPort = new Port(nextWire.Value);
* yield return new Location(targetTile, targetPort);
* }
* else
* {
* }
*
* }
* }
* */
}
}