private ICAConfig BuildConfiguration(IProjection <ICell> grid)
{
CAConfig configuration = new CAConfig(_memory.GetObjects().Count, grid.GetObjects()[0].GetDefaultState());
foreach (ICell cell in grid.GetObjects())
{
configuration.AddCellState(cell, cell.GetState());
}
return(configuration);
}
//private static Token newLine = new Token("\n");
/**
* <returns> IPattern </returns>
*/
public Object Parse(ITokenStream tokenStream)
{
Token token;
CAConfig pattern = new CAConfig(0, null); //LivingCell.DeadState);//Determine the size of the configuration!
//CellState[,] patternState = new CellState[,];
IList <IList <CellState> > rows = new List <IList <CellState> >();
IList <CellState> row = null;
Boolean rowOpened = false;
int rowIndex = 0;
int columnIndex = 0;
while ((token = tokenStream.NextToken()) != null)
{
if (token.Equals(stateSeparator))
{
//token=tokenStream.NextToken();
//do nothing
}
else if (token.Equals(rowStart)) //init a new row
{
if (rowOpened)
{
throw new InvalidOperationException(string.Format("Missing enclosing bracket! Please, enclose the row, before creating a new one"));
}
row = new List <CellState>();
rowOpened = true;
rowIndex++;
columnIndex = 0;
}
else if (token.Equals(rowEnd)) //add the existing row to the list of rows
{
rows.Add(row);
rowOpened = false;
}
else if (!char.IsWhiteSpace(token.ToString(), 0)) //State Token
{
if (row == null || !rowOpened)
{
throw new InvalidOperationException("You should define a cell state within a Row. Use the following format: {D,A,D,D} ");
}
CellState cellState = null;//CellState.ValueOf(token.ToString());
row.Add(cellState);
pattern.AddCellState(null, cellState);
columnIndex++;
}
}
return(pattern);
}
//private ICAConfig CreateICAConfig(IList<On3dPoint> latticePoints, IList<On3dPoint> configurationPoints)
//creates an ICAConfig instance out of the OpenNurbs state configuration
private ICAConfig CreateICAConfig(OnStateConfig stateConfig)
{
CAConfig cfg = new CAConfig(0, cellPrototype.GetState());
int latticePointIndex = 0;
foreach (Point3d latticePoint in pointLattice)
{
foreach (Point3d configurationPoint in stateConfig.GetPoints())
{
if (latticePoint.X == configurationPoint.X && latticePoint.Y == configurationPoint.Y && latticePoint.Z == configurationPoint.Z)
{
cfg.AddCellState(cellularGrid.GetObject(latticePointIndex), stateConfig.GetState());
}
}
latticePointIndex++;
}//foreach
return(cfg);
}
/**
* The CA evolves to a new state, according to the behavior of each cell.
* The old generations is archieved in the list of generations
*/
public ICAConfig Update()
{
currentTime++;
CAConfig nextConfiguration = new CAConfig(_memory.GetObjects().Count, grid.GetObjects()[0].GetDefaultState());
foreach (ICell cell in grid.GetObjects())
{
//do not alter the cells' states directly
//as the states affect the evolution
//the result of the evolution is saved
//and the cells are updated when all cells evolved
CellState evolvedCellState = cell.UpdateState();
nextConfiguration.AddCellState(cell, evolvedCellState);
}
//update the cells's states according to the evolution
foreach (ICell cell in grid.GetObjects())
{
cell.SetState(nextConfiguration.GetCellState(cell));
}
return(nextConfiguration);
}