private ExpansionWeightFunction GetExpansionWeightFunction(
GridPartition partition, IMapTemplate template
)
{
var middleCell = Grid.GetCellAtOffset(Grid.CellCountX / 2, Grid.CellCountZ / 2);
return(delegate(MapSection section, List <MapSection> chunk) {
if (IsWithinHardBorder(section.CentroidCell, template))
{
return 0;
}
int borderAvoidanceWeight = GetBorderAvoidanceWeight(section.CentroidCell, template);
int neighborsInContinent = partition.GetNeighbors(section).Intersect(chunk).Count();
int neighborsInContinentWeight = neighborsInContinent * template.NeighborsInContinentWeight;
int distanceFromSeedCentroid = Grid.GetDistance(chunk[0].CentroidCell, section.CentroidCell);
int distanceFromSeedCentroidWeight = distanceFromSeedCentroid * template.DistanceFromSeedCentroidWeight;
int distanceFromMapCenter = Grid.GetDistance(section.CentroidCell, middleCell) * template.DistanceFromMapCenterWeight;
int weight = 1 + Math.Max(
0, neighborsInContinentWeight + distanceFromSeedCentroidWeight + borderAvoidanceWeight + distanceFromMapCenter
);
return weight;
});
}
public int GetDistanceToCell(IHexCell cell)
{
int shorestDistance = int.MaxValue;
foreach (var cellInRegion in cells)
{
shorestDistance = Math.Min(Grid.GetDistance(cell, cellInRegion), shorestDistance);
}
return(shorestDistance);
}
public bool IsCellValidForCity(IHexCell cell)
{
if (CellPossessionCanon.GetOwnerOfPossession(cell) != null)
{
return(false);
}
if (cell.Terrain.IsWater())
{
return(false);
}
if (cell.Feature != CellFeature.None)
{
return(false);
}
foreach (var city in CityFactory.AllCities)
{
var cityLocation = CityLocationCanon.GetOwnerOfPossession(city);
if (HexGrid.GetDistance(cell, cityLocation) < Config.MinimumSeparation)
{
return(false);
}
}
return(true);
}
public Func <IHexCell, int> GetWanderWeightFunction(IUnit unit, InfluenceMaps maps)
{
var unitLocation = UnitPositionCanon.GetOwnerOfPossession(unit);
return(delegate(IHexCell cell) {
if (cell == unitLocation || !UnitPositionCanon.CanPlaceUnitAtLocation(unit, cell, false))
{
return 0;
}
else
{
float fromDistance = Grid.GetDistance(cell, unitLocation) * BarbarianConfig.WanderSelectionWeight_Distance;
float fromAllies = -maps.AllyPresence [cell.Index] * BarbarianConfig.WanderSelectionWeight_Allies;
float fromEnemies = -maps.EnemyPresence[cell.Index] * BarbarianConfig.WanderSelectionWeight_Enemies;
return Math.Max(0, Mathf.RoundToInt(fromDistance + fromAllies + fromEnemies));
}
});
}
public Func <IHexCell, float> GetPillageUtilityFunction(IUnit unit, InfluenceMaps maps)
{
var unitLocation = UnitPositionCanon.GetOwnerOfPossession(unit);
return(delegate(IHexCell cell) {
float divisor = Grid.GetDistance(unitLocation, cell) + 1;
return Mathf.Clamp01(maps.PillagingValue[cell.Index] * BarbarianConfig.PillageUtilityCoefficient / divisor);
});
}
private Func <IHexCell, bool> GetRiverEndpointFilter(
IEnumerable <IHexCell> waterCells, IHexCell start, int maxRiverLength
)
{
return(delegate(IHexCell cell) {
return cell != start &&
!IsWater(cell, waterCells) &&
!RiverCanon.HasRiver(cell) &&
Grid.GetDistance(cell, start) <= maxRiverLength;
});
}
/// <inheritdoc/>
public bool IsCellAvailable(ICity city, IHexCell cell)
{
if (city == null)
{
throw new ArgumentNullException("city");
}
else if (cell == null)
{
throw new ArgumentNullException("cell");
}
var cityLocation = CityLocationCanon.GetOwnerOfPossession(city);
bool isUnowned = PossessionCanon.GetOwnerOfPossession(cell) == null;
bool isWithinRange = HexGrid.GetDistance(cityLocation, cell) <= Config.MaxBorderRange;
bool isNeighborOfPossession = HexGrid.GetNeighbors(cell).Exists(neighbor => PossessionCanon.GetOwnerOfPossession(neighbor) == city);
return(isUnowned && isWithinRange && isNeighborOfPossession);
}
private ICity GetNearestDomesticCity(IHexCell location, ICivilization domesticCiv)
{
int shortestDistance = int.MaxValue;
ICity nearestCity = null;
foreach (var domesticCity in CityPossessionCanon.GetPossessionsOfOwner(domesticCiv))
{
var cityLocation = CityLocationCanon.GetOwnerOfPossession(domesticCity);
int distanceTo = Grid.GetDistance(location, cityLocation);
if (distanceTo < shortestDistance)
{
nearestCity = domesticCity;
shortestDistance = distanceTo;
}
}
return(nearestCity);
}
private CrawlingWeightFunction GetTreeCrawlingCostFunction(
CellVegetation treeType, IRegionBiomeTemplate template
)
{
return(delegate(IHexCell cell, IHexCell seed, IEnumerable <IHexCell> acceptedCells) {
if (cell.Vegetation == CellVegetation.Marsh || cell.Feature != CellFeature.None ||
!ModLogic.CanChangeVegetationOfCell(cell, treeType)
)
{
return -1;
}
else
{
int terrainCost = template.GetTreePlacementCostForTerrain(cell.Terrain);
int shapeCost = template.GetTreePlacementCostForShape(cell.Shape);
int distanceCost = Grid.GetDistance(seed, cell);
return terrainCost + shapeCost + distanceCost;
}
});
}
private MapSection GetStartingSection(
HashSet <MapSection> unassignedSections, IEnumerable <MapSection> startingSections,
int minSeparation, IMapTemplate mapTemplate
)
{
var candidates = new List <MapSection>();
foreach (var unassignedSection in unassignedSections)
{
if (unassignedSection.Cells.Count == 0 || IsWithinSoftBorder(unassignedSection.CentroidCell, mapTemplate))
{
continue;
}
bool unassignedIsValid = true;
foreach (var startingSection in startingSections)
{
if (Grid.GetDistance(unassignedSection.CentroidCell, startingSection.CentroidCell) < minSeparation)
{
unassignedIsValid = false;
break;
}
}
if (unassignedIsValid)
{
candidates.Add(unassignedSection);
}
}
if (candidates.Count == 0)
{
throw new InvalidOperationException("Failed to acquire a valid starting location");
}
else
{
return(candidates.Random());
}
}
