private int ComputeNewHormoneDensity(WorldCell previousGenWorldCell, ColonyCell cell)
{
var previousHormoneDensity = previousGenWorldCell.GetMoveHormoneDensity(cell.Colony);
// evaporate movement hormone from cell
double evaporated = (double)previousHormoneDensity * cell.Colony.HormoneEvaporationRatio;
// remove movement hormone that will be dissipated to neighboring cells
double dissipated = (double)previousHormoneDensity * cell.Colony.HormoneDissipationRatio;
// add movement hormone dissipated from neighboring cells of the same colony
double collected = 0.0;
foreach (var neighborCell in previousGenWorldCell._neighbors)
{
double neighborDissipation = neighborCell.GetMoveHormoneDensity(cell.Colony) * cell.Colony.HormoneDissipationRatio;
double collectedFromNeighbor = neighborDissipation / neighborCell._neighbors.Count;
collected += collectedFromNeighbor;
}
// add movement hormone deposited by moving cells
double depositedByLeaving = previousGenWorldCell.ComputeCreatureDensityMovementLoss(cell.Colony) * cell.Colony.HormoneLeavingCreatureDepositionRatio / cell.Colony.CreatureMoveRate;
double depositedByArriving = previousGenWorldCell.ComputeCreatureDensityMovementGain(cell.Colony) * cell.Colony.HormoneArrivingCreatureDepositionRatio / cell.Colony.CreatureMoveRate;
var newHormoneDensity = (int)(
previousHormoneDensity -
evaporated -
dissipated +
collected +
depositedByLeaving +
depositedByArriving);
return(Math.Max(0, newHormoneDensity));
}
private int ComputeNewCreatureDensity(WorldCell previousGenWorldCell, ColonyCell cell)
{
double previousCreatureDensity = previousGenWorldCell.GetCreatureDensity(cell.Colony);
// trans movement
double movementCreatureLoss = previousGenWorldCell.ComputeCreatureDensityMovementLoss(cell.Colony);
double movementCreatureGain = previousGenWorldCell.ComputeCreatureDensityMovementGain(cell.Colony);
// overpressure rebound movement
double reboundCreatureLoss = previousGenWorldCell.ComputeCreatureDensityReboundLoss(cell.Colony);
double reboundCreatureGain = previousGenWorldCell.ComputeCreatureDensityReboundGain(cell.Colony);
double creatureMultiplicationGain = previousGenWorldCell.ComputeCreatureDensityMultiplicationGain(cell.Colony);
var newCreatureDensity = (int)(
previousCreatureDensity -
movementCreatureLoss -
reboundCreatureLoss +
movementCreatureGain +
reboundCreatureGain +
creatureMultiplicationGain);
return(Math.Max(0, newCreatureDensity));
}