public static Array2D<int> GetNoBoxMap(Level level, Array2D<bool> simpleDeadlockMap)
{
// Initially set all floor squares as no-box squares, but not yet assigned to a region.
Array2D<int> noBoxMap = new Array2D<int>(level.Height, level.Width);
foreach (Coordinate2D coord in level.InsideCoordinates)
{
noBoxMap[coord] = -1;
}
// For each box in the original level, visit as many squares as possible.
foreach (Coordinate2D coord in level.BoxCoordinates)
{
CheckBox(level, noBoxMap, simpleDeadlockMap, coord);
}
// The map now has a value of -1 for all no-box squares.
// Next assign a unique value to each disconnected region of no-box squares.
int region = 1;
foreach (Coordinate2D coord in level.InsideCoordinates)
{
// Process all no-box squares that haven't been assigned to a region yet.
if (noBoxMap[coord] == -1)
{
noBoxMap.FloodFill(coord, -1, region);
region++;
}
}
return noBoxMap;
}
public static Array2D<bool> GetIslandMap(Level level)
{
Array2D<bool> islandMap = new Array2D<bool>(level.Height, level.Width);
foreach (Coordinate2D coord in islandMap.Coordinates)
{
islandMap[coord] = level.IsWall(coord);
}
islandMap.FloodFill(FindFirstWall(level), true, false);
return islandMap;
}
