private Image RenderTurn(ExperimentTurn turn)
{
var sqlConnection = this.databaseConnector.OpenSqlConnection();
var turnOrganismStates = sqlConnection.GetTurnOrganismStates(turn.Id).ToDictionary(state => state.Position);
var bitmap = new Bitmap(AlienSpaceVector.WorldWidth * CellSize, AlienSpaceVector.WorldHeight * CellSize);
var graphics = Graphics.FromImage(bitmap);
var sunBrush = new SolidBrush(Color.Yellow);
for (var x = 0; x < AlienSpaceVector.WorldWidth; x++)
{
for (var y = 0; y < AlienSpaceVector.WorldHeight; y++)
{
var position = new AlienSpaceVector(x, y);
var distanceFromSun = AlienSpaceVector.GetCoordinateDelta(position, turn.SunPosition).Abs();
if (distanceFromSun < Experiment.SunRadius)
{
graphics.FillRectangle(sunBrush, x * CellSize, y * CellSize, CellSize, CellSize);
}
if (turnOrganismStates.ContainsKey(position))
{
var state = turnOrganismStates[position];
var organismBrush = new SolidBrush(Color.FromArgb(ScaleColorComponent(state.Red), ScaleColorComponent(state.Green), ScaleColorComponent(state.Blue)));
graphics.FillEllipse(organismBrush, x * CellSize, y * CellSize, CellSize, CellSize);
}
}
}
return(bitmap);
}
public static void SaveExperimentTurn(this SqlConnection sqlConnection, ExperimentTurn experimentTurn)
{
var sqlCommand = new SqlCommand(createExperimentTurnCommand, sqlConnection);
var experimentIdParameter = sqlCommand.Parameters.Add("@ExperimentId", SqlDbType.BigInt);
experimentIdParameter.SqlValue = experimentTurn.ExperimentId;
var simulationTimeParameter = sqlCommand.Parameters.Add("@SimulationTime", SqlDbType.Int);
simulationTimeParameter.SqlValue = experimentTurn.SimulationTime.TotalTurns;
var dayParameter = sqlCommand.Parameters.Add("@Day", SqlDbType.Int);
dayParameter.SqlValue = experimentTurn.SimulationTime.Day;
var phaseOfDayParameter = sqlCommand.Parameters.Add("@PhaseOfDay", SqlDbType.Int);
phaseOfDayParameter.SqlValue = experimentTurn.SimulationTime.PhaseOfDay;
var phaseParameter = sqlCommand.Parameters.Add("@Phase", SqlDbType.Int);
phaseParameter.SqlValue = experimentTurn.SimulationTime.Phase;
var randomSeedParameter = sqlCommand.Parameters.Add("@RandomSeed", SqlDbType.Int);
randomSeedParameter.SqlValue = experimentTurn.RandomSeed;
var sunXParameter = sqlCommand.Parameters.Add("@SunX", SqlDbType.Int);
sunXParameter.SqlValue = experimentTurn.SunPosition.X;
var sunYParameter = sqlCommand.Parameters.Add("@SunY", SqlDbType.Int);
sunYParameter.SqlValue = experimentTurn.SunPosition.Y;
var extraEnergyParameter = sqlCommand.Parameters.Add("@ExtraEnergy", SqlDbType.Decimal);
extraEnergyParameter.SqlValue = experimentTurn.ExtraEnergy;
experimentTurn.Id = sqlCommand.ReadResults(reader => reader.GetInt64(0)).Single();
}
private static void AbsorbEnergy(ExperimentTurn experimentTurn, OrganismState organismState, decimal delta)
{
Claws.AtLeast(() => delta, 0);
delta = Math.Min(delta, Math.Min(experimentTurn.ExtraEnergy, 1 - organismState.Health));
experimentTurn.ExtraEnergy -= delta;
organismState.Health += delta;
}
private static void ReleaseEnergy(ExperimentTurn experimentTurn, OrganismState organismState, decimal delta)
{
Claws.AtLeast(() => delta, 0);
delta = Math.Min(delta, organismState.Health);
organismState.Health -= delta;
experimentTurn.ExtraEnergy += delta;
}
private static ExperimentTurn BuildNextExperimentTurn(ExperimentStatus experimentStatus)
{
var newSimulationTime = experimentStatus.LatestSimulationTime + 1.Turn() ?? new AlienDateTime(0);
var random = experimentStatus.LatestRandomSeed == null ? new Random() : new Random(experimentStatus.LatestRandomSeed.Value);
var moveUp = random.Next(4) == 0;
var newSunPosition = (experimentStatus.LatestSunPosition == null ?
new AlienSpaceVector(32, 18) :
experimentStatus.LatestSunPosition.Value + new AlienSpaceVector(1, moveUp ? -1 : 0)).ToCoordinates();
var newExtraEnergy = experimentStatus.LatestExtraEnergy ?? AlienSpaceVector.WorldWidth * AlienSpaceVector.WorldHeight * Experiment.Richness;
var newExperimentTurn = new ExperimentTurn {
ExperimentId = experimentStatus.ExperimentId,
SimulationTime = newSimulationTime,
RandomSeed = random.Next(),
SunPosition = newSunPosition,
ExtraEnergy = newExtraEnergy,
};
return(newExperimentTurn);
}
