public World(Vector2Int tableSize, CellTypeBank ctb)
{
this.OnWorldChange = null;
this.CellTypeBank = ctb;
this.TableSize = tableSize;
CurrentTable = new CellTable(this.TableSize, CellTypeBank.GetDefaultCellType());
NextIterationTable = new CellTable(CurrentTable);
Delta = new HashSet <Vector2Int>();
Steps = 0;
}
public CellTable(CellTable ct)
{
Size = ct.Size;
DefaultCellType = ct.DefaultCellType;
Cells = new ExistingCell[Size.X, Size.Y];
for (int i = 0; i < Size.X; i++)
{
for (int j = 0; j < Size.Y; j++)
{
PlaceCell(new Vector2Int(i, j), ct.Cells[i, j].CellType);
}
}
}
public void RestoreSnapshot(CellTable memento)
{
lock (this)
{
Delta.Clear();
CurrentTable = memento;
NextIterationTable = new CellTable(this.TableSize, memento.DefaultCellType);
for (int i = 0; i < TableSize.X; i++)
{
for (int j = 0; j < TableSize.Y; j++)
{
Delta.Add(new Vector2Int(i, j));
}
}
Steps = 0;
ApplyChanges();
}
}
public event System.EventHandler <DrawWorldArgs> OnWorldChange; //Observer pattern
/// <summary>
/// Step for a simulation.
/// </summary>
public void Step()
{
lock (this)
{
Stopwatch t = new Stopwatch();
t.Start();
//Step and execution of all rules
for (int i = 0; i < TableSize.X; i++)
{
for (int j = 0; j < TableSize.Y; j++)
{
CurrentTable.Cells[i, j].ExecuteRules(this);
}
}
//Clears up all naive changes that turned out not to change anything
HashSet <Vector2Int> CellTypeChange = new HashSet <Vector2Int>();
foreach (Vector2Int change in Delta)
{
if (CurrentTable.Cells[change.X, change.Y].CellType != NextIterationTable.Cells[change.X, change.Y].CellType)
{
CellTypeChange.Add(change);
}
}
Delta = new HashSet <Vector2Int>(CellTypeChange);
//Sets up next iteration and sends all changes to the view
CurrentTable = NextIterationTable;
NextIterationTable = new CellTable(CurrentTable);
Steps++;
ApplyChanges();
t.Stop();
//TODO: DEBUG MODE
//Console.WriteLine("Model has been updated in " + t.Elapsed.TotalSeconds + "s");
}
}
//We don't use original world because other components may modify it without our knowledge
public DrawWorldArgs(World world)
{
CellTable = world.CurrentTable;
Delta = new HashSet <Vector2Int>(world.Delta);
Steps = world.Steps;
}