private MainViewModel BuildMainDataContext()
{
var width = Properties.Settings.Default.EcosystemWidth;
var height = Properties.Settings.Default.EcosystemHeight;
// the event aggregator might be used by view models to inform of changes
var eventaggregator = new EventAggregator();
var habitats = new Habitat[width, height];
var habitatViewModels = new List<List<HabitatViewModel>>();
for (var x = 0; x < width; x++)
{
habitatViewModels.Add(new List<HabitatViewModel>());
for (var y = 0; y < height; y++)
{
// initially set each habitat to have an unknown environment and no organism
var environment = new Environment(Terrain.Unknown, false);
var environmentViewModel = new EnvironmentViewModel(environment, eventaggregator);
var organismViewModel = new OrganismViewModel(null, eventaggregator);
var habitat = new Habitat(environment, null);
var habitatViewModel = new HabitatViewModel(habitat, environmentViewModel, organismViewModel, eventaggregator);
habitats[x, y] = habitat;
habitatViewModels[x].Add(habitatViewModel);
}
}
var ecosystem = new Ecosystem(habitats, new Dictionary<Organism, Habitat>());
var ecosystemViewModel = new EcosystemViewModel(ecosystem, habitatViewModels, eventaggregator);
this.InitialiseTerrain(ecosystem);
var initialOrganismCoordinates = this.InitialiseOrganisms(ecosystem);
// TODO: do this in InitialiseOrganisms
// boshed together so the organisms are visible before ecosystem is switched on the first time
foreach (var organismCoordinate in initialOrganismCoordinates)
{
habitatViewModels[organismCoordinate.X][organismCoordinate.Y].RefreshOrganismViewModel();
}
// TODO: setting up the summary view after organisms initialised... how to handle this nicely
var organismViewModels = habitatViewModels.SelectMany(habitatViewModel => habitatViewModel)
.Select(habitatViewModel => habitatViewModel.OrganismViewModel)
.Where(organismViewModel => organismViewModel.HasOrganism).ToList();
var organismSummaryViewModel = new OrganismSummaryViewModel(ecosystem, organismViewModels, eventaggregator);
var main = new Main(ecosystem);
var mainViewModel = new MainViewModel(main, ecosystemViewModel, organismSummaryViewModel, eventaggregator);
return mainViewModel;
}
private static Habitat[,] GenerateBaseHabitats(int width, int height)
{
var habitats = new Habitat[width,height];
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
var environment = new Environment(Terrain.Unknown, false);
habitats[x, y] = new Habitat(environment, null);
}
}
return habitats;
}