static void SpawnSpecies(PrefabSpawner spawner, AnimalSpeciesSettings settings)
{
int initialPopulationSize = prng.Next(
settings.minStartingPopulation,
settings.maxStartingPopulation
);
// Select an initial spawn point prior to starting the loop
MapGraph.Node spawnPoint = SelectSpawnPoint();
for (int i = 0; i < initialPopulationSize; i++)
{
// Spawn a new instance of the prefab.
MeshRenderer obj = spawner.SpawnPrefab(settings.prefab, spawnPoint.centerPoint - mapGraph.center, RandomRotation());
// Mark the node as occupied.
spawnPoint.numAnimalOccupants++;
// Randomize the neighbours so that we're not just iterating
// through linearly.
var neighbours = spawnPoint.GetNeighbourNodes()
.OrderBy(_ => prng.Next())
.ToList();
// Attempt to select a random neighbouring node as the next spawn
// point.
int j;
for (j = 0; j < neighbours.Count; j++)
{
if (allowedNodeTypes.Contains(neighbours[j].nodeType) &&
!neighbours[j].occupied)
{
spawnPoint = neighbours[j];
break;
}
}
// If none of the neighbouring nodes are valid candidates, just
// randomly select a new one instead.
if (j >= neighbours.Count)
{
spawnPoint = SelectSpawnPoint();
}
}
}
private static void FloodFill(
MapGraph.Node node,
MapGraph.NodeType targetType,
MapGraph.NodeType replacementType
)
{
if (targetType == replacementType ||
node.nodeType != targetType)
{
return;
}
node.nodeType = replacementType;
foreach (var neighbor in node.GetNeighbourNodes())
{
FloodFill(neighbor, targetType, replacementType);
}
}