public void ScanCountries()
{
//if there is no place on the map - there is nothing to be scanned
if (_worldMap.RowCount == 0 || _worldMap.ColumnCount == 0)
{
return;
}
//let's create a country based on the very first territory
var currentTerritory = _worldMap.GetTerritory(0, 0);
var currentTerritoryCountry = new Country(currentTerritory);
_worldMap.AddCountry(currentTerritoryCountry);
for (int i = 0; i < _worldMap.RowCount; i++)
{
for (int j = 0; j < _worldMap.ColumnCount; j++)
{
//skipping the first territory which was already added to a new country
if (i == 0 && j == 0)
{
continue;
}
var westTerritory = _worldMap.GetTerritory(i, j - 1);
var northTerritory = _worldMap.GetTerritory(i - 1, j);
currentTerritory = _worldMap.GetTerritory(i, j);
currentTerritoryCountry = null;
//column >= 1
if (westTerritory != null)
{
//checking left cell
//assigning territory to the left side country if they are of the same nations
var westTerritoryCountry = _worldMap.GetCountryByTerritory(westTerritory);
if (currentTerritory.NationId == westTerritory.NationId)
{
westTerritoryCountry.Territories.Add(currentTerritory);
currentTerritoryCountry = westTerritoryCountry;
}
//checking top cell
if (northTerritory != null)
{
var northTerritoryCountry = _worldMap.GetCountryByTerritory(northTerritory);
if (currentTerritoryCountry != null && northTerritory.NationId == currentTerritory.NationId)
{
//merge countries
//country & northTerritoryCountry
_worldMap.MergeCountries(currentTerritoryCountry, ref northTerritoryCountry);
}
else if (currentTerritoryCountry == null && northTerritory.NationId == currentTerritory.NationId)
{
northTerritoryCountry.Territories.Add(currentTerritory);
currentTerritoryCountry = northTerritoryCountry;
}
else if (currentTerritoryCountry == null)
{
currentTerritoryCountry = new Country(currentTerritory);
_worldMap.AddCountry(currentTerritoryCountry);
}
}
if (currentTerritoryCountry == null) //territory is still unassigned
{
currentTerritoryCountry = new Country(currentTerritory);
_worldMap.AddCountry(currentTerritoryCountry);
}
}
else //column index == 0 (westTerritory == null)
{
if (currentTerritory.NationId == northTerritory.NationId)
{
var northTerritoryCountry = _worldMap.GetCountryByTerritory(northTerritory);
northTerritoryCountry.AddTerritory(currentTerritory);
}
else
{
currentTerritoryCountry = new Country(currentTerritory);
_worldMap.AddCountry(currentTerritoryCountry);
}
}
}
}
}