public override List <IIndividual> InitializePopulation()
{
var population = new List <IIndividual>();
var numCities = Problem.CityIds.Count;
for (var i = 0; i < Parameters.PopulationSize; i++)
{
var randomRoadTaken = new List <int>(numCities);
var mutableListCityIds = new List <int>(Problem.CityIds);
for (var j = 0; j < numCities; j++)
{
var randomIndex = RandomNumGenerator.Next(0, mutableListCityIds.Count);
var randomCityId = mutableListCityIds[randomIndex];
mutableListCityIds.RemoveAt(randomIndex);
randomRoadTaken.Add(randomCityId);
}
var individual = new Ttp1Individual(randomRoadTaken);
population.Add(individual);
}
return(population);
}
protected override IEnumerable <Tuple <IIndividual, IIndividual> > SelectForCrossing(
List <IIndividual> currentPopulation)
{
var numPairs = currentPopulation.Count / 2;
var resultingPairs = new List <Tuple <IIndividual, IIndividual> >();
for (var i = 0; i < numPairs; i++)
{
var firstIndiv = TournamentSelect(currentPopulation) as Ttp1Individual;
var secondIndiv = TournamentSelect(currentPopulation) as Ttp1Individual;
if (firstIndiv == null || secondIndiv == null)
{
Console.WriteLine("Wrong type of individuals population passed to TTP1. It need TTP2 population.");
return(null);
}
while (secondIndiv.RoadTaken.Equals(firstIndiv.RoadTaken))
{
secondIndiv =
currentPopulation[RandomNumGenerator.Next(0, currentPopulation.Count)] as Ttp1Individual;
if (secondIndiv != null)
{
continue;
}
Console.WriteLine("Wrong type of individuals population passed to TTP1. It need TTP2 population.");
return(null);
}
resultingPairs.Add(new Tuple <IIndividual, IIndividual>(firstIndiv, secondIndiv));
}
return(resultingPairs);
}
protected override IIndividual MutateIndividual(IIndividual indiv, bool guaranteedMutation = false)
{
if (!guaranteedMutation && !ShouldMutate())
{
return(indiv);
}
if (!(indiv is Ttp1Individual indivTtp1))
{
Console.WriteLine("Wrong type of individuals population passed to TTP1. It need TTP2 population.");
return(null);
}
var firstRandomSwapIndex = RandomNumGenerator.Next(0, indivTtp1.RoadTaken.Count);
var secondRandomSwapIndex = RandomNumGenerator.Next(0, indivTtp1.RoadTaken.Count);
while (firstRandomSwapIndex == secondRandomSwapIndex)
{
secondRandomSwapIndex = RandomNumGenerator.Next(0, indivTtp1.RoadTaken.Count);
}
var tmp = indivTtp1.RoadTaken[firstRandomSwapIndex];
indivTtp1.RoadTaken[firstRandomSwapIndex] = indivTtp1.RoadTaken[secondRandomSwapIndex];
indivTtp1.RoadTaken[secondRandomSwapIndex] = tmp;
return(indiv);
}
public RosenbrockParticle(int lowerRange, int higherRange, int posClampVelocity, int negClampVelocity, int numberOfTimeSteps)
{
this.lowerRange = lowerRange;
this.higherRange = higherRange;
this.posClampVelocity = posClampVelocity;
this.negClampVelocity = negClampVelocity;
this.numberOfTimeSteps = numberOfTimeSteps;
RandomNumGenerator rand = new RandomNumGenerator();
//initializing genes and velocity values
for (int i = 0; i < 10; i++)
{
double number = rand.Generate_Double(this.lowerRange, this.higherRange);
this.genes.Add(number);
this.velocity.Add(0);
}
this.numberOfGenes = this.genes.Count;
//initializing pbest list with the initial genes values
for (int i = 0; i < this.numberOfGenes; i++)
{
this.pbest.Add(this.genes[i]);
}
//initializing bestFitness
this.bestFitness = this.CalculateFitness();
}
//method to update linear increasing velocity
public void Update_LinearIncreasingVelocity(Particle gbest, double wt)
{
double r1, r2, fi1, fi2;
for (int i = 0; i < this.numberOfGenes; i++)
{
RandomNumGenerator generator = new RandomNumGenerator();
r1 = generator.Generate_Double();
r2 = generator.Generate_Double();
fi1 = 1.5 * r1 + 0.5;
fi2 = 1.5 * r2 + 0.5;
double factor1 = fi1 * (this.pbest[i] - this.genes[i]);
double factor2 = fi2 * (gbest.genes[i] - this.genes[i]);
double factor3 = this.velocity[i] * wt;
this.velocity[i] = factor1 + factor2 + factor3;
//complete equation for velocity update
//this.velocity[i] = this.velocity[i] * wt + (fi1 * (this.pbest[i] - this.genes[i]) + fi2 * (gbest.genes[i] - this.genes[i]));
//clamping positive velocity if it is out of range
if (this.velocity[i] > this.posClampVelocity)
{
this.velocity[i] = this.posClampVelocity;
}
//clamping negative velocity if it is out of range
if (this.velocity[i] < this.negClampVelocity)
{
this.velocity[i] = this.negClampVelocity;
}
}
}
public void Update_LinearDecreasingVelocity(Particle gbest, double wt)
{
int c1 = 2;
int c2 = 2;
double r1, r2;
for (int i = 0; i < this.numberOfGenes; i++)
{
RandomNumGenerator generator = new RandomNumGenerator();
r1 = generator.Generate_Double();
r2 = generator.Generate_Double();
this.velocity[i] = this.velocity[i] * wt + ((c1 * r1 * (this.pbest[i] - this.genes[i])) + (c2 * r2 * (gbest.genes[i] - this.genes[i])));
//clamping positive velocity if it is out of range
if (this.velocity[i] > this.posClampVelocity)
{
this.velocity[i] = this.posClampVelocity;
}
//clamping negative velocity if it is out of range
if (this.velocity[i] < this.negClampVelocity)
{
this.velocity[i] = this.negClampVelocity;
}
}
}
private void Start()
{
generator = this.gameObject.GetComponent <RandomNumGenerator>();
rotation = this.gameObject.GetComponent <Rotation>();
defaultPositions = new Vector3[drops.Length];
for (int i = 0; i < drops.Length; i++)
{
defaultPositions[i] = drops[i].transform.localPosition;
}
numDrops = (int)numDropsSlider.value;
}
private void btnUsePotion_Click(object sender, EventArgs e)
{
//Get elixir
Elixir potion = (Elixir)comboBoxPotions.SelectedItem;
player.CurrentPoints = (player.CurrentPoints + potion.AmountToHeal);
if (player.CurrentPoints > player.MaximumPoints)
{
player.CurrentPoints = player.MaximumPoints;
}
//Remove elixir inventory
foreach (Inventory item in player.Inventory)
{
if (item.Item.ID == potion.ID)
{
item.Quantity--;
break;
}
}
//Display message
rtbMessages.Text += "You drink a " + potion.Name + Environment.NewLine;
//Gremlin attacks
int damageToPlayer = RandomNumGenerator.NumberBetween(0, currentMonster.MaximumDamage);
rtbMessages.Text += "The " + currentMonster.Name + " did " + damageToPlayer.ToString() + " points of damage." + Environment.NewLine;
player.CurrentPoints -= damageToPlayer;
if (player.CurrentPoints <= 0)
{
rtbMessages.Text += "The " + currentMonster.Name + " killed you." + Environment.NewLine;
//Move player back home
MoveTo(Swamp.LocationByID(Swamp.LOCATION_ID_HOME));
}
//Refresh data
lblPoints.Text = player.CurrentPoints.ToString();
UpdateInventoryListInUI();
UpdatePotionListInUI();
}
public byte[] DrawNumbers()
{
byte[] allAvailableNumbers = CreateAllAvailableNumbers(allNumbersRange);
byte[] drawnNumbers = new byte[selectedNumbersRange];
var selectionRange = allNumbersRange;
for (int i = 0; i < selectedNumbersRange; i++)
{
byte randomIndex = RandomIndexGenerator((decimal)(selectionRange));
drawnNumbers[i] = allAvailableNumbers[randomIndex];
for (int j = randomIndex; j < allAvailableNumbers.Length - 1; j++)
{
allAvailableNumbers[j] = allAvailableNumbers[j + 1];
}
selectionRange--;
}
RandomNumGenerator.Dispose();
return(drawnNumbers);
}
private IIndividual CrossPmx(IIndividual parent1, IIndividual parent2)
{
var child = parent1.DeepCopy();
if (!(parent1 is Ttp1Individual parent1Ttp1) || !(parent2 is Ttp1Individual parent2Ttp1) ||
!(child is Ttp1Individual childTtp1))
{
return(child);
}
if (parent1Ttp1.RoadTaken.Count != parent2Ttp1.RoadTaken.Count)
{
return(childTtp1);
}
var roadLength = parent1Ttp1.RoadTaken.Count;
var road1 = parent1Ttp1.RoadTaken;
var road2 = parent1Ttp1.RoadTaken;
var firstChildFirstCutIndex = RandomNumGenerator.Next(0, roadLength);
var firstChildSecondCutIndex = RandomNumGenerator.Next(firstChildFirstCutIndex, roadLength);
var cutValuesFromIndiv1 =
road1.GetRange(firstChildFirstCutIndex, firstChildSecondCutIndex - firstChildFirstCutIndex);
var cutValuesFromIndiv2 = road2
.GetRange(firstChildFirstCutIndex, firstChildSecondCutIndex - firstChildFirstCutIndex)
.Where(valueFromIndiv2 => !cutValuesFromIndiv1.Contains(valueFromIndiv2)).ToList();
foreach (var value in cutValuesFromIndiv2)
{
var currentValueFromIndiv2 = value;
var valueAtTheSamePositionInIndiv1 =
road1[road2.IndexOf(currentValueFromIndiv2)];
var indexOfThatValueInIndiv2 = road2.IndexOf(valueAtTheSamePositionInIndiv1);
while (indexOfThatValueInIndiv2 >= firstChildFirstCutIndex ||
indexOfThatValueInIndiv2 < firstChildSecondCutIndex)
{
currentValueFromIndiv2 = road1[indexOfThatValueInIndiv2];
valueAtTheSamePositionInIndiv1 =
road1[road2.IndexOf(currentValueFromIndiv2)];
indexOfThatValueInIndiv2 = road2.IndexOf(valueAtTheSamePositionInIndiv1);
}
childTtp1.RoadTaken[indexOfThatValueInIndiv2] = value;
}
var valuesLeftInIndiv2 = road2.Where(value => !cutValuesFromIndiv1.Contains(value) &&
!cutValuesFromIndiv2.Contains(value)).ToList();
var indexInIndiv1 = 0;
foreach (var valueLeftInIndiv2 in valuesLeftInIndiv2)
{
var insertedValue = false;
while (indexInIndiv1 < roadLength && !insertedValue)
{
var valueFromIndiv1 = childTtp1.RoadTaken[indexInIndiv1];
if (cutValuesFromIndiv1.Contains(valueFromIndiv1) || cutValuesFromIndiv2.Contains(valueFromIndiv1))
{
indexInIndiv1++;
continue;
}
childTtp1.RoadTaken[indexInIndiv1] = valueLeftInIndiv2;
indexInIndiv1++;
insertedValue = true;
}
}
return(childTtp1);
}
private void btnUseWeapon_Click(object sender, EventArgs e)
{
Weapon currentWeapon = (Weapon)comboBoxWeapons.SelectedItem;
int damageToMonster = RandomNumGenerator.NumberBetween(currentWeapon.MinimumDamage, currentWeapon.MaximumDamage);
currentMonster.CurrentPoints -= damageToMonster;
rtbMessages.Text += "You hit the " + currentMonster.Name + " for " + damageToMonster.ToString() + " points." + Environment.NewLine;
if (currentMonster.CurrentPoints <= 0)
{
//Gremlin is dead
rtbMessages.Text += Environment.NewLine;
rtbMessages.Text += "You defeated the " + currentMonster.Name + Environment.NewLine;
player.ExperiencePoints += currentMonster.RewardExperiencePoints;
rtbMessages.Text += "You receive " + currentMonster.RewardExperiencePoints.ToString() + " experience points" + Environment.NewLine;
player.Gold += currentMonster.RewardGold;
rtbMessages.Text += "You receive " + currentMonster.RewardGold.ToString() + " gold" + Environment.NewLine;
List <Inventory> lootedItems = new List <Inventory>();
//Add items to the lootedItems list, comparing a random number to the drop percentage
foreach (Treasure lootItem in currentMonster.TreasureChest)
{
if (RandomNumGenerator.NumberBetween(1, 100) <= lootItem.DropPercentage)
{
lootedItems.Add(new Inventory(lootItem.Item, 1));
}
}
//If no items were randomly selected, then add the default loot item(s).
if (lootedItems.Count == 0)
{
foreach (Treasure lootItem in currentMonster.TreasureChest)
{
if (lootItem.IsDefaultItem)
{
lootedItems.Add(new Inventory(lootItem.Item, 1));
}
}
}
// Add the looted items to the player's inventory
foreach (Inventory inventoryItem in lootedItems)
{
player.AddItemToInventory(inventoryItem.Item);
if (inventoryItem.Quantity == 1)
{
rtbMessages.Text += "You loot " + inventoryItem.Quantity.ToString() + " " + inventoryItem.Item.Name + Environment.NewLine;
}
else
{
rtbMessages.Text += "You loot " + inventoryItem.Quantity.ToString() + " " + inventoryItem.Item.NamePlural + Environment.NewLine;
}
}
// Refresh player information and inventory controls
lblPoints.Text = player.CurrentPoints.ToString();
lblGold.Text = player.Gold.ToString();
lblExperience.Text = player.ExperiencePoints.ToString();
lblLevel.Text = player.Level.ToString();
UpdateInventoryListInUI();
UpdateWeaponListInUI();
UpdatePotionListInUI();
// Add a blank line to the messages box, just for appearance.
rtbMessages.Text += Environment.NewLine;
//Move player to current location (to heal player and create a new monster to fight)
MoveTo(player.CurrentLocation);
}
else
{
// Monster is still alive
// Determine the amount of damage the monster does to the player
int damageToPlayer = RandomNumGenerator.NumberBetween(0, currentMonster.MaximumDamage);
// Display message
rtbMessages.Text += "The " + currentMonster.Name + " did " + damageToPlayer.ToString() + " points of damage." + Environment.NewLine;
// Subtract damage from player
player.CurrentPoints -= damageToPlayer;
// Refresh player data in UI
lblPoints.Text = player.CurrentPoints.ToString();
if (player.CurrentPoints <= 0)
{
// Display message
rtbMessages.Text += "The " + currentMonster.Name + " killed you." + Environment.NewLine;
// Move player to "Home"
MoveTo(Swamp.LocationByID(Swamp.LOCATION_ID_HOME));
}
}
}
