/// <summary>
/// Get a valid cell to spawn a new cluster away from cavePlant.
/// </summary>
public static bool GetRandomValidCellAwayFromCluster(CavePlant cavePlant, int newClusterSize, out IntVec3 validCell)
{
float newClusterExclusivityRadius = CavePlant.GetClusterExclusivityRadius(cavePlant.def, newClusterSize);
List <IntVec3> validCellsAwayFromCluster = new List <IntVec3>();
float newClusterMinDistance = cavePlant.GetClusterExclusivityRadius() + newClusterExclusivityRadius;
float newClusterMaxDistance = 2f * newClusterMinDistance;
IEnumerable <IntVec3> potentialCellsForNewCluster = GenRadial.RadialCellsAround(cavePlant.Position, newClusterMaxDistance, false);
foreach (IntVec3 newClusterCell in potentialCellsForNewCluster)
{
if ((newClusterCell.InHorDistOf(cavePlant.Position, newClusterMinDistance) == false) &&
(newClusterCell.GetRoom() == cavePlant.GetRoom()) &&
IsCellValidToSPawnANewCavePlant(newClusterCell))
{
float cavePlantSearchRadius = CavePlant.GetMaxClusterExclusivityRadius(cavePlant.def) * 2f;
IEnumerable <IntVec3> cellsAroundNewCluster = GenRadial.RadialCellsAround(newClusterCell, cavePlantSearchRadius, false);
bool anotherClusterIsTooClose = false;
foreach (IntVec3 cell in cellsAroundNewCluster)
{
Thing potentialDistantCavePlant = Find.ThingGrid.ThingAt(cell, cavePlant.def);
if (potentialDistantCavePlant != null)
{
CavePlant distantCavePlant = potentialDistantCavePlant as CavePlant;
if (distantCavePlant.Position.InHorDistOf(cell, newClusterExclusivityRadius + distantCavePlant.GetClusterExclusivityRadius()))
{
anotherClusterIsTooClose = true;
break;
}
}
}
if (anotherClusterIsTooClose == false)
{
validCellsAwayFromCluster.Add(newClusterCell);
}
}
}
if (validCellsAwayFromCluster.Count == 0)
{
validCell = new IntVec3(0, 0, 0);
return(false);
}
validCell = validCellsAwayFromCluster.RandomElement <IntVec3>();
return(true);
}
/// <summary>
/// Tries to spawn a new cluster at a random position on the map. The exclusivity radius still applies.
/// </summary>
public bool TrySpawnNewClusterAtRandomPosition()
{
ThingDef cavePlantDef = GetRandomCavePlantDef();
int newClusterSize = Rand.RangeInclusive(cavePlantDef.plant.wildClusterSizeRange.min, cavePlantDef.plant.wildClusterSizeRange.max);
float newClusterExclusivityRadius = CavePlant.GetClusterExclusivityRadius(cavePlantDef, newClusterSize);
int checkedCellsNumber = 0;
for (checkedCellsNumber = 0; checkedCellsNumber < 1000; checkedCellsNumber++)
{
IntVec3 newClusterCell = new IntVec3(Rand.Range(0, Find.Map.Size.x), 0, Rand.Range(0, Find.Map.Size.z));
if (Find.RoofGrid.Roofed(newClusterCell) &&
((Find.ThingGrid.ThingsListAt(newClusterCell).Count == 0) ||
((Find.ThingGrid.ThingAt(newClusterCell, ThingDef.Named("RockRubble")) != null) &&
(Find.ThingGrid.ThingAt(newClusterCell, ThingCategory.Plant) == null))) &&
CavePlant.IsLightConditionOk(newClusterCell) &&
CavePlant.IsNearNaturalRockBlock(newClusterCell) &&
CavePlant.IsTerrainConditionOk(newClusterCell) &&
CavePlant.IsTemperatureConditionOk(newClusterCell))
{
float cavePlantSearchRadius = CavePlant.GetMaxClusterExclusivityRadius(cavePlantDef) * 2f;
IEnumerable <IntVec3> cellsAroundNewCluster = GenRadial.RadialCellsAround(newClusterCell, cavePlantSearchRadius, false);
bool anotherClusterIsTooClose = false;
foreach (IntVec3 cell in cellsAroundNewCluster)
{
Thing potentialDistantCavePlant = Find.ThingGrid.ThingAt(cell, cavePlantDef);
if (potentialDistantCavePlant != null)
{
CavePlant distantCavePlant = potentialDistantCavePlant as CavePlant;
if (distantCavePlant.Position.InHorDistOf(cell, newClusterExclusivityRadius + distantCavePlant.GetClusterExclusivityRadius()))
{
anotherClusterIsTooClose = true;
break;
}
}
}
if (anotherClusterIsTooClose == false)
{
GenSpawn.Spawn(cavePlantDef, newClusterCell);
return(true);
}
}
}
return(false);
}