/// <summary>
/// Returns an int based on a comparison between creatures
/// </summary>
/// <param name="c1">The first creature to compare</param>
/// <param name="c2">The second creature to compare</param>
/// <returns>An int, 1 if the first creature is better and -1 if the second is better</returns>
public static int judgeCreatures(Creature c1, Creature c2)
{
int ret;
int c1Health = (int)c1.getHealth() * Simulation.getHealthWeight();
int c1Energy = (int)c1.getEnergy() * Simulation.getEnergyWeight();
int c2Health = (int)c2.getHealth() * Simulation.getHealthWeight();
int c2Energy = (int)c2.getEnergy() * Simulation.getEnergyWeight(); ;
if (c1Health + c1Energy > c2Health + c2Energy)
{
ret = -1;
}
else if (c1Health + c1Energy == c2Health + c2Energy)
{
int c1Stats = c1.getStatValue();
int c2Stats = c2.getStatValue();
if (c1Stats > c2Stats)
{
ret = -1;
}
else if (c2Stats < c1Stats)
{
ret = 1;
}
else
{
ret = 0; //in this case they are equal
}
}
else //if c1stuff < c2stuff
{
ret = -1;
}
return ret;
}
/// <summary>
/// Clears the tile, sets all the variables for tile contents to null, sets isBlocked to false.
/// </summary>
public void clearTile()
{
creature = null;
plant = null;
remains = null;
obstacle = null;
isBlocked = false;
}
/// <summary>
/// Stalks another creature, trying to stay outside of its view radius, with the ideal position being just outside the view radius
/// </summary>
/// <param name="creature">The creature to stalk</param>
private void stalk(Creature creature)
{
if (creature.getAwareness() < this.awareness)
{
if (getDistanceFrom(creature) > creature.getAwareness() + 1)
{
moveTowards(creature);
}
else if (getDistanceFrom(creature) == creature.getAwareness() + 1)
{
//stay still
}
else
{
moveAwayFrom(creature);
}
}
else
{
ambush(creature);
}
}
/// <summary>
/// Attacks another creature, comparing strength to defence and moving towards the other creature if it is not adjacent
/// </summary>
/// <param name="otherCreature">The creature to attack</param>
public void attack(Creature otherCreature)
{
if (isAdjacent(otherCreature))
{
int winnerEnergy = 10;
int loserEnergy = 20;
otherCreature.attacked(this);
inCombat = true;
inCombatWith = otherCreature;
int attackVal = this.getStrength() + rand(10);
int defVal = otherCreature.getDefence() + rand(10);
if (attackVal > defVal)
{
otherCreature.damage(attackVal - defVal);
this.drainEnergy(winnerEnergy);
otherCreature.drainEnergy(loserEnergy);
}
else if (attackVal < defVal)
{
this.damage((defVal - attackVal) / 2);
this.drainEnergy(loserEnergy);
otherCreature.drainEnergy(winnerEnergy);
}
else
{
this.drainEnergy(loserEnergy);
otherCreature.drainEnergy(loserEnergy);
}
}
else
{
moveTowards(otherCreature);
}
}
/// <summary>
/// A method to sort the creatures by their speed
/// </summary>
/// <returns></returns>
public static int sortCreaturesBySpeed(Creature c1, Creature c2)
{
int val = 0;
if (c1 == null && c2 == null)
{
val = 0;
}
else if (c1 == null)
{
val = 1;
}
else if (c2 == null)
{
val = -1;
}
else
{
if (c1.getSpeed() < c2.getSpeed())
{
val = 1;
}
else if (c1.getSpeed() > c2.getSpeed())
{
val = -1;
}
else
{
val = 0;
}
}
return val;
}
/// <summary>
/// A method that takes a creature and returns a 10 x 10 texture representation of the creature's genome
/// </summary>
/// <param name="creature"></param>
/// <returns></returns>
public static Texture2D drawGenome(Creature creature)
{
return drawGenome(creature.getDna());
}
/// <summary>
/// Updates the judge, moving one step foward through the judginf process
/// </summary>
/// <param name="t">The time since the update method was last called, not used in this method</param>
public override void update(GameTime t)
{
if (!isJudged) //should run through once
{
aliveCreatures.Sort(judgeCreatures);
isJudged = true;
status = "Eliminating creatures...";
}
else if (!isEliminated) //should run through once
{
creatureList = new List<Creature>();
if (aliveCreatures.Count > 0)
{
creatureList.AddRange(aliveCreatures.ToArray<Creature>());
}
//enclose this in an IF statement if you want to prevent dead creatures from being included
while(deadCreatures.Count > 0)
{
Creature c = deadCreatures.Pop();
creatureList.Add(c);
}
//upon loop exit creatureList should be a list of creatures sorted by success in the world
total = creatureList.Count;
//find indexes for certain percentages of the list
lowerFix = total / 100 * (100 - Simulation.getElimPercentage()); //index to eliminate all after
upperFix = total / 100 * Simulation.getTopPercentage(); //index to treat all before as top
creatureList.RemoveRange(lowerFix, total - lowerFix);
for (int i = 0; i < upperFix; i++)
{
top.Add(creatureList[i]);
}
for (int i = upperFix; i < creatureList.Count; i++)
{
bottom.Add(creatureList[i]);
}
creatureList.Clear();
status = "Breeding next generation: " + numBred + "/" + Simulation.getPopulation();
isEliminated = true;
}
else if (!isBred) //should run through x times where x = number of creatures we need
{
if (numBred > Simulation.getPopulation())
{
status = "Done!";
isBred = true;
}
else
{
Random rand = WorldState.RandomNumberGenerator;
if (childList.Count < (Simulation.getPopulation() / 100) * Simulation.getTopPercentage())
{
int c1 = rand.Next(top.Count);
int c2 = rand.Next(top.Count);
int attempts = 0;
while (c1 == c2 && attempts < 10)
{
c2 = rand.Next(upperFix);
attempts++;
}
Creature creature1 = top[c1];
Creature creature2 = top[c2];
Creature child = new Creature(creature1.getDna().breedWith(creature2.getDna()));
childList.Add(child);
}
else if (childList.Count < Simulation.getPopulation())
{
int c1 = rand.Next(bottom.Count);
int c2 = rand.Next(bottom.Count);
int attempts = 0;
while (c1 == c2 && attempts < 10)
{
c2 = rand.Next(upperFix);
attempts++;
}
Creature creature1 = bottom[c1];
Creature creature2 = bottom[c2];
Creature child = new Creature(creature1.getDna().breedWith(creature2.getDna()));
childList.Add(child);
}
status = "Breeding next generation: " + numBred + "/" + Simulation.getPopulation();
numBred++;
}
}
else
{
Simulation.judgingDone(childList);
}
}
/// <summary>
/// A routing method to decide on the creature's action, using a provided creature
/// </summary>
/// <param name="c">The creature to act upon</param>
private void creatureAct(Creature c)
{
switch (behaviour[Scenario.CREATURE])
{
case Response.ATTACK: attack(c); break;
case Response.EVADE: moveAwayFrom(c); break;
case Response.IGNORE: randomAction(); break;
case Response.HIDE: hide(); break;
case Response.DEFEND: break;
case Response.STALK: stalk(c); break;
case Response.AMBUSH: ambush(c); break;
}
}
/// <summary>
/// Clones this creature and adds it at a random location in the world
/// </summary>
/// <returns>The creature that has just been created</returns>
public Creature userCloneCreature()
{
Creature c = new Creature(this.getDna());
c.setWorld(this.world);
world.addCreature(c);
return c;
}
/// <summary>
/// Adds a creature to the tile, sets the creature variable to the specified creature and sets the tile to be blocked
/// </summary>
/// <param name="c">The creature to add to the tile</param>
public void addCreature(Creature c)
{
creature = c;
isBlocked = true;
}
/// <summary>
/// The update method of the Simulation, calls the update method of the current state of the simulation
/// </summary>
/// <param name="gameTime">The time since update was last called</param>
protected override void Update(GameTime gameTime)
{
#region testing
#if CELLTEST
int[][] colours = new int[6][];
colours[0] = new int[] { 0, 0 }; //Check the same
colours[1] = new int[] { 7, 7 }; //Check the same
colours[2] = new int[] { 1, 3 }; //Check different
colours[3] = new int[] { 3, 1 }; //Check different but the other way around
colours[4] = new int[] { 7, 1 }; //Check different and wrapping
colours[5] = new int[] { 1, 7 }; //Check different and wrapping but the other way around
foreach(int[] i in colours)
{
Cell c = new Cell(i[0], i[1]);
Console.WriteLine("C1: " + i[0] + " C2: " + i[1] + " DOM: " + c.getDomColour());
}
Environment.Exit(0);
#endif
#if PATTERNTEST
//Code for checking various things
Cell[][] c = new Cell[3][];
c[0] = new Cell[] { new Cell(1, 1), new Cell(0, 0), new Cell(0, 0) };
c[1] = new Cell[] { new Cell(0, 0), new Cell(1, 1), new Cell(0, 0) };
c[2] = new Cell[] { new Cell(0, 0), new Cell(0, 0), new Cell(1, 1) };
geneTest(new Gene(c));
c[0] = new Cell[] { new Cell(1, 1), new Cell(0, 0), new Cell(0, 0) };
c[1] = new Cell[] { new Cell(0, 0), new Cell(1, 1), new Cell(0, 0) };
c[2] = new Cell[] { new Cell(0, 0), new Cell(0, 0), new Cell(0, 0) };
geneTest(new Gene(c));
c[0] = new Cell[] { new Cell(0, 0), new Cell(0, 0), new Cell(1, 1) };
c[1] = new Cell[] { new Cell(0, 0), new Cell(1, 1), new Cell(0, 0) };
c[2] = new Cell[] { new Cell(1, 1), new Cell(0, 0), new Cell(0, 0) };
geneTest(new Gene(c));
c[0] = new Cell[] { new Cell(1, 1), new Cell(0, 0), new Cell(1, 1) };
c[1] = new Cell[] { new Cell(0, 0), new Cell(1, 1), new Cell(0, 0) };
c[2] = new Cell[] { new Cell(1, 1), new Cell(0, 0), new Cell(1, 1) };
geneTest(new Gene(c));
c[0] = new Cell[] { new Cell(0, 0), new Cell(6, 6), new Cell(1, 1), new Cell(1, 1) };
c[1] = new Cell[] { new Cell(1, 1), new Cell(0, 0), new Cell(6, 6), new Cell(1, 1) };
c[2] = new Cell[] { new Cell(1, 1), new Cell(1, 1), new Cell(0, 0), new Cell(6, 6) };
geneTest(new Gene(c));
c[0] = new Cell[] { new Cell(0, 0), new Cell(0, 0), new Cell(0, 0) };
c[1] = new Cell[] { new Cell(0, 0), new Cell(0, 0), new Cell(0, 0) };
c[2] = new Cell[] { new Cell(0, 0), new Cell(0, 0), new Cell(1, 1) };
Cell[][] rCells = new Cell[1][];
rCells[0] = new Cell[] { new Cell(1, 1) };
List<ParamToken> rMods = new List<ParamToken>();
rMods.Add(ParamToken.STRENGTH);
recognisedShapes = new List<Shape>();
recognisedShapes.Add(new Shape(rCells, rMods, new List<ParamToken>()));
geneTest(new Gene(c));
Environment.Exit(0);
#endif
#if POLLTEST
Cell[][] newGene = new Cell[10][];
for (int colour = 0; colour < 7; colour++)
{
for (int i = 0; i < newGene.Length; i++)
{
newGene[i] = new Cell[10];
for (int j = 0; j < newGene[i].Length; j++)
{
newGene[i][j] = new Cell(colour, colour);
}
}
creatureTest(newGene);
}
for (int i = 0; i < newGene.Length; i++)
{
newGene[i] = new Cell[10];
for (int j = 0; j < newGene[i].Length; j++)
{
newGene[i][j] = new Cell(0, 0);
}
}
newGene[0][0] = new Cell(0, 0); newGene[0][1] = new Cell(0, 0); newGene[0][2] = new Cell(0, 0);
newGene[1][0] = new Cell(0, 0); newGene[1][1] = new Cell(0, 0); newGene[1][2] = new Cell(0, 0);
newGene[2][0] = new Cell(0, 0); newGene[2][1] = new Cell(0, 0); newGene[2][2] = new Cell(1, 1);
creatureTest(newGene);
newGene[0][0] = new Cell(0, 0); newGene[0][1] = new Cell(0, 0); newGene[0][2] = new Cell(0, 0);
newGene[1][0] = new Cell(0, 0); newGene[1][1] = new Cell(2, 2); newGene[1][2] = new Cell(1, 1);
newGene[2][0] = new Cell(1, 1); newGene[2][1] = new Cell(1, 1); newGene[2][2] = new Cell(1, 1);
creatureTest(newGene);
newGene[0][0] = new Cell(1, 1); newGene[0][1] = new Cell(0, 0); newGene[0][2] = new Cell(0, 0);
newGene[1][0] = new Cell(0, 0); newGene[1][1] = new Cell(2, 2); newGene[1][2] = new Cell(1, 1);
newGene[2][0] = new Cell(1, 1); newGene[2][1] = new Cell(1, 1); newGene[2][2] = new Cell(0, 0);
creatureTest(newGene);
Environment.Exit(0);
#endif
#if DIETTEST
Cell[][] cc = new Cell[10][];
Cell[][] ch = new Cell[10][];
for (int i = 0; i < 10; i++)
{
cc[i] = new Cell[10];
ch[i] = new Cell[10];
for (int j = 0; j < 10; j++)
{
cc[i][j] = new Cell(0, 0);
ch[i][j] = new Cell(6, 6);
}
}
Creature carn = new Creature(new Gene(cc));
Creature herb = new Creature(new Gene(ch));
List<FoodSource> foodToSort = new List<FoodSource>();
plantFoodValue = 1000;
remainsFoodValue = 1000;
foodToSort.Add(new Plant(new Random()));
foodToSort.Add(new Remains(new Random()));
FoodSource carnChoice = carn.pubGetMostNourishing(foodToSort);
FoodSource herbChoice = herb.pubGetMostNourishing(foodToSort);
Console.WriteLine("Diet: Carnivore : " + carn.getDiet() + " Herbivore: " + herb.getDiet());
Console.WriteLine("Actual values: Plant: " + foodToSort[0].getFoodValue() + " Remains: " + foodToSort[1].getFoodValue());
Console.WriteLine("Carnivore sees plant as: " + carn.pubGetNourishmentAmt(foodToSort[0]) + " and remains as " + carn.pubGetNourishmentAmt(foodToSort[1]));
Console.WriteLine("Herbivore sees plant as: " + herb.pubGetNourishmentAmt(foodToSort[0]) + " and remains as " + herb.pubGetNourishmentAmt(foodToSort[1]));
Console.WriteLine("Carnivore chooses meat: " + !carnChoice.isPlant());
Console.WriteLine("Herbivore chooses plant: " + herbChoice.isPlant());
Environment.Exit(0);
#endif
#if BREEDTEST
Cell[][] newGene = new Cell[10][];
for (int i = 0; i < newGene.Length; i++)
{
newGene[i] = new Cell[10];
for (int j = 0; j < newGene[i].Length; j++)
{
newGene[i][j] = new Cell(0, 0);
}
}
Gene g = new Gene(newGene, new Random());
for (int i = 0; i < 100; i++)
{
g.breedWith(g);
}
Environment.Exit(0);
#endif
#endregion
base.Update(gameTime);
state.update(gameTime);
}
private void creatureTest(Cell[][] newGene)
{
Creature cret = new Creature(new Gene(newGene));
Dictionary<Scenario, Response> beh = cret.getBehaviour();
foreach (Scenario s in beh.Keys)
{
Console.WriteLine("Scen: " + s + " Resp: " + beh[s]);
}
}
/// <summary>
/// Cancels views, sets viewing to be false and all the viewing variables etc. to be null
/// </summary>
private void deView()
{
viewing = false;
creatureView = null;
plantView = null;
remainsView = null;
following = false;
dataViewed = 0;
buttons[3].setVisible(false);
buttons[4].setVisible(false);
buttons[5].setVisible(false);
}
/// <summary>
/// Views a creature, sets viewing to be true and sets up the information viewing commands
/// </summary>
/// <param name="c">The Creature to be viewed</param>
public void viewCreature(Creature c)
{
viewing = true;
maxInfo = creatureMaxInfo;
buttons[4].setVisible(true);
buttons[5].setVisible(true);
creatureView = c;
}
/// <summary>
/// Gets an array of strings that contain information about the creature
/// </summary>
/// <param name="c">The creature to get information about</param>
/// <returns>An array of strings containing a set of information about the creature</returns>
public string[] getCreatureInfo(Creature c)
{
string[] status = new string[1];
switch (DataViewed)
{
case 0: status = new string[] { "Health: " + c.getHealth(), "Energy :" + c.getEnergy(), "Current Scenario: " + c.CurrentScenario, "Response: " + c.CurrentResponse, "Stamina: " + c.getStamina() + "/" + c.getMaxStamina(), "Location: (" + c.getLocationXY()[0] + "," + c.getLocationXY()[1] + ")" }; break;
case 1: int[] colours = c.getDna().getColourCount();
status = new string[] { "Number of...", "0s: " + colours[0], "1s: " + colours[1], "2s: " + colours[2], "3s: " + colours[3], "4s: " + colours[4], "5s: " + colours[5], "6s: " + colours[6] };
break;
case 2: Color[] cols = Simulation.getColours();
status = new string[cols.Length];
for (int i = 0; i < cols.Length; i++ )
{
status[i] = i + ": " + cols[i].ToString();
}
break;
case 3: string dietString = "Diet: " + c.getDiet();
if (c.getDiet() < 0.5)
{
dietString += " (HERBIVORE)";
}
else
{
dietString += " (CARNIVORE)";
}
status = new string[] { "Stats:", "STR: " + c.getStrength(), "SPD: " + c.getSpeed(), "STL: " + c.getStealthVal(), "AWA: " + c.getAwareness(), "DEF: " + c.getDefence(), dietString };
break;
}
return status;
}
/// <summary>
/// Tells the creature it is being attacked and updates the variables related to that
/// </summary>
/// <param name="c"></param>
public void attacked(Creature c)
{
inCombat = true;
inCombatWith = c;
}
/// <summary>
/// Updates the flags to tell the creature it is not in combat
/// </summary>
public void outOfCombat()
{
inCombat = false;
inCombatWith = null;
}
/// <summary>
/// Adds a creature at the specified location
/// </summary>
/// <param name="x">The x index to add the creature at</param>
/// <param name="y">The y index to add the creature at</param>
/// <param name="c">The creature to add</param>
public void addCreature(int x, int y, Creature c)
{
getTile(y, x).addCreature(c);
c.setLocation(x, y);
}
/// <summary>
/// A method used to check if you can detect a creature that is trying to be stealthy
/// </summary>
/// <param name="c">The creature in the scan radius that we are checking we can see</param>
/// <returns>True if the creature is not hidden, false if the creature is hidden</returns>
private bool canSee(Creature c)
{
bool b = true;
double i = getEuclideanDistanceFrom(c);
if (i > awareness)
{
b = false;
}
else if(random.Next(100) < c.getStealthVal() + (i - awareness))
{
b = false;
}
return b;
}
/// <summary>
/// Adds a creature at a random clear location
/// </summary>
/// <param name="c">The creature to add</param>
public void addCreature(Creature c)
{
int[] clearTile = getRandomClearTile();
addCreature(clearTile[0], clearTile[1], c);
if (!creatureList.Contains(c))
{
creatureList.Add(c);
}
}
/// <summary>
/// Controls ambush behaviour, where a creature tries to sneak up next to another to get a high damage special attack
/// </summary>
/// <param name="c"></param>
public void ambush(Creature c)
{
if (isStealthy())
{
if (!c.canSee(this))
{
if (isAdjacent(c))
{
c.damage((getStrength() / 2) + getStealthVal());
spotted();
}
else
{
moveTowards(c);
}
}
else
{
spotted();
}
}
else
{
hide();
}
}
/// <summary>
/// Adds creatures to the world. 1 Override to allow the user to provide a list of creatures to add
/// </summary>
public void addCreatures()
{
creatureList = new List<Creature>();
for (int i = 0; i < Simulation.getPopulation(); i++)
{
Creature c = new Creature();
creatureList.Add(c);
}
placeCreatures();
}
/// <summary>
/// Handles the code for killing a specified creature
/// </summary>
/// <param name="c">The creature to kill</param>
public void killCreature(Creature c)
{
int[] loc = c.getLocationXY();
creatureList.Remove(c);
getTile(loc[1], loc[0]).clearTile();
c.setLocation(-1, -1);
Remains r = new Remains(randomNumberGenerator);
r.setLocation(loc[0], loc[1]);
remainsList.Add(r);
getTile(loc[1], loc[0]).addRemains(r);
deadList.Push(c);
#if DEBUG
Console.WriteLine("Remains added at: " + loc[0] + "," + loc[1]);
#endif
}
/// <summary>
/// Draws the creature viewing window
/// </summary>
/// <param name="c">The creature to draw the viewing window for</param>
private void drawCreatureView(Creature c)
{
drawBack();
Simulation.getGraphicsDeviceManager().GraphicsDevice.SamplerStates[0] = SamplerState.PointWrap;
spriteBatch.Begin(0, null, SamplerState.PointWrap, null, null);
Texture2D tex = c.getDna().getTexture();
Rectangle r = new Rectangle((Display.getWindowWidth() - 800) / 2 + 10, Display.getWindowHeight() - 130, 120, 120);
spriteBatch.Draw(tex, r, Color.White);
String title = "Creature";
if (c.isStealthy())
{
title += " (hiding)";
}
string[] status = inputHandler.getCreatureInfo(c);
Vector2 topLeft = new Vector2((Display.getWindowWidth() - 800) / 2 + 10 + 120 + 10, Display.getWindowHeight() - 130);
spriteBatch.End();
drawStrings(topLeft, title, status, 4);
}
