public override int DrawBatch(int maxBlocksToDraw)
{
for (int j = 0; j < _maze.YSize; ++j)
{
for (int i = 0; i < _maze.XSize; ++i)
{
DrawAtXY(i * 2, j * 2);
if (_maze.GetCell(i, j, 0).Wall(Direction.All[3]))
{
DrawAtXY(i * 2 + 1, j * 2);
}
if (_maze.GetCell(i, j, 0).Wall(Direction.All[2]))
{
DrawAtXY(i * 2, j * 2 + 1);
}
}
DrawAtXY(_maze.XSize * 2, j * 2);
if (_maze.GetCell(_maze.XSize - 1, j, 0).Wall(Direction.All[0]))
{
DrawAtXY(_maze.XSize * 2, j * 2 + 1);
}
}
for (int i = 0; i < _maze.XSize; ++i)
{
DrawAtXY(i * 2, _maze.YSize * 2);
if (_maze.GetCell(i, _maze.YSize - 1, 0).Wall(Direction.All[1]))
{
DrawAtXY(i * 2 + 1, _maze.YSize * 2);
}
}
DrawAtXY(_maze.XSize * 2, _maze.YSize * 2);
IsDone = true;
return(_count);
}
private void DrawCell(int xCell, int yCell, int zCell)
{
DrawWall(xCell, yCell, zCell, Direction.All[2]);
DrawWall(xCell, yCell, zCell, Direction.All[3]);
//here we always request a hint, and in DrawWall we will correct it to the necessary probability
//only if we rally draw a wall there
if (_drawHints && _maze.GetCell(xCell, yCell, zCell).IsOnSolutionPath())
{
_needHint = true;
}
DrawWall(xCell, yCell, zCell, Direction.All[4]);
_needHint = false;
DrawColumn(xCell, yCell, zCell, Direction.All[0]);
DrawColumn(xCell, yCell, zCell, Direction.All[1]);
DrawColumn(xCell, yCell, zCell, Direction.All[4]);
//special case: elevator
if (_drawElevators && !_maze.GetCell(xCell, yCell, zCell).Wall(Direction.All[5]))
{
DrawElevator(xCell, yCell, zCell);
}
}
public bool TryExtend() //returns true if a cell was added to the path
{
Cell last = _cells.Last();
Direction[] dir = Direction.GetRndPermutation();
for (int i = 0; i < dir.Length; ++i)
{
Cell next = _maze.GetCell(dir[i].MoveX(last.X), dir[i].MoveY(last.Y), dir[i].MoveZ(last.Z));
if (null == next) //outside
{
continue;
}
if (next.Used()) //taken already
{
continue;
}
Add(dir[i], next);
return(true);
}
//can not be extended
Extendable = false;
return(false);
}
