public bool TryGetCell(int x, int y, out RoadTile roadTile)
{
if (IsValidLocation(x, y))
{
roadTile = GetCell(x, y);
return(roadTile != null);
}
roadTile = null;
return(false);
}
public bool TryGetCell(int x, int y, Direction direction, out RoadTile roadTile)
{
switch (direction)
{
case Direction.North: return(TryGetCell(x, y - 1, out roadTile));
case Direction.South: return(TryGetCell(x, y + 1, out roadTile));
case Direction.East: return(TryGetCell(x + 1, y, out roadTile));
case Direction.West: return(TryGetCell(x - 1, y, out roadTile));
}
roadTile = null;
return(false);
}
public void SetCell(int x, int y, RoadTile tile)
{
tiles[y, x] = tile;
}
private bool ValidateCellPlacement(int newX, int newY, Block block, RoadTile potentialCell)
{
if (potentialCell.Id == 7 && block.ExistsWithinRadius(newX, newY, _inputs.FourWayRadius, 7))
{
return(false);
}
if (block.TryGetCell(newX, newY, Direction.North, out var northCell))
{
if (northCell.ExitSouth && !potentialCell.ExitNorth)
{
return(false);
}
if (potentialCell.ExitNorth && !northCell.ExitSouth)
{
return(false);
}
}
if (block.TryGetCell(newX, newY, Direction.South, out var southCell))
{
if (southCell.ExitNorth && !potentialCell.ExitSouth)
{
return(false);
}
if (potentialCell.ExitSouth && !southCell.ExitNorth)
{
return(false);
}
}
if (block.TryGetCell(newX, newY, Direction.East, out var eastCell))
{
if (eastCell.ExitWest && !potentialCell.ExitEast)
{
return(false);
}
if (potentialCell.ExitEast && !eastCell.ExitWest)
{
return(false);
}
}
if (block.TryGetCell(newX, newY, Direction.West, out var westCell))
{
if (westCell.ExitEast && !potentialCell.ExitWest)
{
return(false);
}
if (potentialCell.ExitWest && !westCell.ExitEast)
{
return(false);
}
}
return(true);
}