private static bool GetNextCell(GridStepInfo stepInfo)
{
var cells = stepInfo.Grid.GetCells();
// at end
if ((cells.Length == 0) || (stepInfo.CurrentCell == cells[cells.Length - 1]))
{
stepInfo.CurrentCell = null;
return(false);
}
if (stepInfo.CurrentCell == null)
{
stepInfo.CurrentCell = cells[0];
return(true);
}
for (int i = 0; i < cells.Length - 1; i++)
{
if (cells[i] == stepInfo.CurrentCell)
{
stepInfo.CurrentCell = cells[i + 1];
return(true);
}
}
stepInfo.CurrentCell = null;
return(false);
}
public GridStepInfo StartStep(Grid grid)
{
var stepInfo = new GridStepInfo(grid);
this.BuildStep(stepInfo);
return(stepInfo);
}
public static GridDisplay GetDisplayForGridStep(GridStepInfo gridStepInfo)
{
if (gridStepInfo == null)
{
return(null);
}
var result = GetDisplayForGrid(gridStepInfo.Grid);
result.InitGridStepInfo(gridStepInfo);
return(result);
}
public bool BuildStep(GridStepInfo stepInfo)
{
if (stepInfo == null)
{
return(false);
}
if (!GetNextCell(stepInfo))
{
return(false);
}
ProcessCell(stepInfo.CurrentCell);
return(true);
}
public bool BuildStep(GridStepInfo stepInfo)
{
if (stepInfo == null)
{
return(false);
}
if ((stepInfo as WilsonGridStepInfo).Unvisited.IsEmpty())
{
stepInfo.CurrentCell = null;
return(false);
}
var unvisited = (stepInfo as WilsonGridStepInfo).Unvisited;
if (stepInfo.Path.Count == 0)
{
stepInfo.CurrentCell = unvisited.Sample();
stepInfo.Path.Add(stepInfo.CurrentCell);
return(true);
}
if (unvisited.Contains(stepInfo.CurrentCell))
{
stepInfo.CurrentCell = stepInfo.CurrentCell.Neighbors.Sample();
int position = stepInfo.Path.IndexOf(stepInfo.CurrentCell);
if (position >= 0)
{
stepInfo.Path.RemoveRange(position + 1, stepInfo.Path.Count - position - 1);
}
else
{
stepInfo.Path.Add(stepInfo.CurrentCell);
}
return(true);
}
for (int i = 0; i < stepInfo.Path.Count - 1; i++)
{
stepInfo.Path[i].Link(stepInfo.Path[i + 1]);
unvisited.Remove(stepInfo.Path[i]);
}
stepInfo.Path.Clear();
return(true);
}
public bool BuildStep(GridStepInfo stepInfo)
{
if (stepInfo == null)
{
return(false);
}
// Killing
if ((stepInfo as HuntAndKillGridStepInfo).IsHunting == false)
{
var newCurrent = LinkToNeighbor(stepInfo.CurrentCell);
if (newCurrent != null)
{
stepInfo.CurrentCell = newCurrent;
}
else
{
(stepInfo as HuntAndKillGridStepInfo).IsHunting = true;
stepInfo.CurrentCell = null;
}
return(true);
}
// Hunting
foreach (Cell cell in stepInfo.Grid.GetCells())
{
if (cell == null)
{
continue;
}
var visitedNeighbors = cell.UsedNeighbors;
if (cell.Links.IsEmpty() && !visitedNeighbors.IsEmpty())
{
stepInfo.CurrentCell = cell;
Cell neighbour = visitedNeighbors.Sample();
stepInfo.CurrentCell.Link(neighbour);
return(true);
}
}
stepInfo.CurrentCell = null;
return(false);
}
public bool BuildStep(GridStepInfo stepInfo)
{
if (stepInfo == null)
{
return(false);
}
if ((stepInfo as AldousBorderGridStepInfo).Unvisited == 0)
{
stepInfo.CurrentCell = null;
return(false);
}
bool newCell;
stepInfo.CurrentCell = ProcessCell(stepInfo.CurrentCell, out newCell);
if (newCell)
{
(stepInfo as AldousBorderGridStepInfo).UsedCell();
}
return(true);
}
