static bool ClearLoopsAndCheck(Tile[,] map)
{
int startX = 0;
int startY;
for (startY = 0; startY < MAP_HEIGHT; startY++)
{
Tile tile = map[0, startY];
if (tile.Type == TileType.Start)
{
break;
}
}
bool homeOnPath = false;
void Search(int fromX, int fromY)
{
Tile tile = map.MaybeGet(fromX, fromY);
if (tile == null || tile.OnPath)
{
return;
}
tile.OnPath = true;
homeOnPath = homeOnPath || tile.Type == TileType.Home;
foreach (Direction dir in DirectionUtils.Directions())
{
if (tile.Get(dir) == true)
{
Search(fromX + dir.X(), fromY + dir.Y());
}
}
}
Search(startX, startY);
if (!homeOnPath)
{
return(false);
}
for (int x = 0; x < MAP_WIDTH; x++)
{
for (int y = 0; y < MAP_HEIGHT; y++)
{
var tile = map[x, y];
if (!tile.OnPath)
{
tile.Clear();
}
}
}
return(true);
}
