/// <summary>
/// Get a MapState POCO which represents this Map and can be easily serialized
/// Use Restore with the MapState to get back a full Map
/// </summary>
/// <returns>MapState POCO (Plain Old C# Object) which represents this Map and can be easily serialized</returns>
public MapState Save()
{
var mapState = new MapState
{
Width = Width,
Height = Height,
Cells = new MapState.CellProperties[Width * Height]
};
foreach (ICell cell in GetAllCells())
{
MapState.CellProperties cellProperties = MapState.CellProperties.None;
if (cell.IsInFov)
{
cellProperties |= MapState.CellProperties.Visible;
}
if (cell.IsTransparent)
{
cellProperties |= MapState.CellProperties.Transparent;
}
if (cell.IsWalkable)
{
cellProperties |= MapState.CellProperties.Walkable;
}
mapState.Cells[(cell.Y * Width) + cell.X] = cellProperties;
}
return(mapState);
}
/// <summary>
/// Restore the state of this Map from the specified MapState
/// </summary>
/// <param name="state">Mapstate POCO (Plain Old C# Object) which represents this Map and can be easily serialized and deserialized</param>
/// <exception cref="ArgumentNullException">Thrown on null map state</exception>
public void Restore(MapState state)
{
if (state == null)
{
throw new ArgumentNullException("state", "Map state cannot be null");
}
var inFov = new HashSet <int>();
Initialize(state.Width, state.Height);
foreach (ICell cell in GetAllCells())
{
MapState.CellProperties cellProperties = state.Cells[cell.Y * Width + cell.X];
if (cellProperties.HasFlag(MapState.CellProperties.Visible))
{
inFov.Add(IndexFor(cell.X, cell.Y));
}
_isTransparent[cell.X, cell.Y] = cellProperties.HasFlag(MapState.CellProperties.Transparent);
_isWalkable[cell.X, cell.Y] = cellProperties.HasFlag(MapState.CellProperties.Walkable);
}
_fieldOfView = new FieldOfView(this, inFov);
}
