/// <summary>
/// Create a matrix of map pieces from Game object
/// </summary>
/// <param name="game"></param>
private void GetWallsFromGame(Game.Game game, IReadOnlyCollection <CellLocation> doors)
{
// Populate the map matrix from the given list of walls
foreach (var item in game.Walls)
{
var x = item.X + 1;
var y = item.Y + 1;
_map[x, y] = new MapCellDetail(_map, x, y, BasicMapPiece.SingleWall);
}
foreach (var item in doors)
{
var x = item.X + 1;
var y = item.Y + 1;
_map[x, y] = new MapCellDetail(_map, x, y, BasicMapPiece.Door);
}
for (int y = 0; y < _height; y++)
{
for (int x = 0; x < _width; x++)
{
if (_map[x, y] == null)
{
_map[x, y] = new MapCellDetail(_map, x, y, BasicMapPiece.Space);
}
}
}
}
/// <summary>
/// Flood fill the matrix with the given type
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="type"></param>
private void Flood(MapCellDetail cell, BasicMapPiece type)
{
if (cell.Filled || !cell.IsSpace)
{
return;
}
cell.Filled = true;
cell.BasicType = type;
if (cell.X > 0)
{
Flood(cell.CellLeft, type);
}
if (cell.X < _width - 1)
{
Flood(cell.CellRight, type);
}
if (cell.Y > 0)
{
Flood(cell.CellAbove, type);
}
if (cell.Y < _height - 1)
{
Flood(cell.CellBelow, type);
}
}
/// <summary>
/// Find the pattern
/// </summary>
/// <param name="cell"></param>
/// <returns></returns>
private char TunnelPattern(MapCellDetail cell)
{
var pattern = (cell.CellAbove.IsWall ? "V" : "")
+ (cell.CellBelow.IsWall ? "V" : "")
+ (cell.CellLeft.IsWall ? "H" : "")
+ (cell.CellRight.IsWall ? "H" : "");
return(pattern.Length == 1 ? pattern[0] : ' ');
}
/// <summary>
/// Find the ghost walls by starting from a ghost door and tracing
/// </summary>
private void TraceGhostHouseWalls(MapCellDetail cell)
{
if (cell.Filled || (cell.BasicType != BasicMapPiece.SingleWall && cell.BasicType != BasicMapPiece.Door))
{
return;
}
if (cell.BasicType == BasicMapPiece.SingleWall)
{
cell.BasicType = BasicMapPiece.GhostWall;
}
cell.Filled = true;
TraceGhostHouseWalls(cell.CellAbove);
TraceGhostHouseWalls(cell.CellBelow);
TraceGhostHouseWalls(cell.CellLeft);
TraceGhostHouseWalls(cell.CellRight);
}
public BoardPiece FindBoardPiece(MapCellDetail board)
{
foreach (var pattern in _patterns)
{
if (pattern.DoCellsMatchPattern(board))
{
return(pattern.BoardPiece);
}
}
#if DEBUG
// Failed to match - loop through again to help debug layout
foreach (var pattern in _patterns)
{
if (pattern.DoCellsMatchPattern(board))
{
return(pattern.BoardPiece);
}
}
#endif
throw new Exception($"No matching board piece pattern @ c{board.X},{board.Y}");
}