private bool punisherStep()
{
int i, j;
if (punisherGoals.Count > 0)
prevPunisherGoal = punisherGoals[0];
for (i = 0; i < Environment.envW; i++) {
for (j = 0; j < Environment.envH; j++) {
if (parentEnvironment.get(i, j) is Human && parentEnvironment.get(i, j).src.Contains("hunting")) {
if (prevPunisherGoal != parentEnvironment.get(i, j) && !parentEnvironment.isObstructedLos(x, y, i, j) &&
((Human)parentEnvironment.get(i, j)).strategy == Strategies.Defector) {
//prevPunisherGoal = punisherGoals;
if (!punisherGoals.Contains((Human)parentEnvironment.get(i, j)))
punisherGoals.Add((Human)parentEnvironment.get(i, j));
}
}
}
}
if (punisherGoals == null || punisherGoals.Count == 0 || payoff < minInitialPayoff)
{
if (base.src.Contains("punishing")) base.setImg("caveman");
return hunterStep();
}
else
{
if (parentEnvironment.getDistance(x, y, punisherGoals[0].x, punisherGoals[0].y) > 2)
{
int dx = 0, dy = 0;
double dist = 1e9;
parentEnvironment.getBestDirection(this, punisherGoals[0], ref dx, ref dy, ref dist);
//return parentEnvironment.move(this, x + dx, y + dy);
bool success = true;
if (dist > 2)
{
if (parentEnvironment.get(x + dx, y + dy) == null || parentEnvironment.get(x + dx, y + dy) is Human)
success = parentEnvironment.move(this, x + dx * punisherSpeed, y + dy * punisherSpeed, true);
else
success = parentEnvironment.move(this, x + dx * punisherSpeed, y + dy * punisherSpeed);
}
if (dist <= 2 || !success)
{
if (parentEnvironment.get(x + dx, y + dy) == null || parentEnvironment.get(x + dx, y + dy) is Human)
return parentEnvironment.move(this, x + dx, y + dy, true);
else
return parentEnvironment.move(this, x + dx, y + dy);
}
}
else if (punisherGoals != null && punisherGoals.Count > 0) {
base.setImg("caveman_punishing");
parentEnvironment.lastCounts = ("Defector punished " + punisherGoals[0].payoff + "->" + (punisherGoals[0].payoff - defectorPunishment) + "\r\n") + parentEnvironment.lastCounts;
punisherGoals[0].setImg("caveman_punished");
punisherGoals[0].payoff -= defectorPunishment;
punisherGoals.RemoveAt(0);
payoff -= punisherCost;
}
}
return true;
}
public override bool Step()
{
base.Step();
payoff -= 1;
bool d = true;
if (age > maxAge && payoff > 0)
{
payoff = 0; //die
diedAtStep = parentEnvironment.steps;
if (!base.src.Contains("caveman_dead"))
parentEnvironment.lastCounts = ("Died from old age " + this.strategy.ToString() + "\r\n") + parentEnvironment.lastCounts;
d = false;
}
if (payoff <= 0)
{
if (parentEnvironment.steps - diedAtStep <= 2)
{
base.setImg("caveman_dead");
payoff--;
}
else
{
if (d)
parentEnvironment.lastCounts = ("Died from malnourishment " + this.strategy.ToString() + "\r\n") + parentEnvironment.lastCounts;
parentEnvironment.remove(this);
}
return true;
}
else if (diedAtStep > 0) {
parentEnvironment.remove(this);
return true;
}
else
{
bool success;
switch (strategy)
{
case Strategies.Cooperator:
success = hunterStep();
break;
case Strategies.Defector:
success = hunterStep();
break;
case Strategies.Punisher:
success = punisherStep();
break;
default:
success = lonerStep();
break;
}
if (payoff > reproductionThreshold)
{
//reproduce and reset payoff
Strategies strat = strategy;
payoff -= reproductionCost;
Human child = new Human(parentEnvironment);
child.init();
child.strategy = strat;
bool reproduced = false;
for (int i = -1; i <= 1 && !reproduced; i++)
{
for (int j = -1; j <= 1; j++)
{
if (parentEnvironment.get(x + i, y + j) == null)
{
success &= parentEnvironment.add(child, x + i, y + j);
reproduced = true;
break;
}
}
}
}
//update average observed payoffs of all humans
List<Entity> humansInSight = parentEnvironment.getAllInLOS(x, y, this);
if (humansInSight.Count > 0)
foreach (Human h in humansInSight)
{
if (h == null) continue;
int[] entry;
if (!observedPayoffs.ContainsKey(h))
{
entry = new int[4];
entry[0] = (int)h.payoff;
entry[1] = 1;
entry[2] = (int)h.strategy;
entry[3] = h.signaling ? 1 : 0;
observedPayoffs[h] = entry;
}
else
{
entry = (int[])observedPayoffs[h];
entry[3] = h.signaling ? 1 : 0;
if (entry[2] != (int)h.strategy)
{ //human changed strategy
entry[2] = (int)h.strategy;
entry[1] = 1;
entry[0] = (int)h.payoff;
}
else
{
int n = entry[1];
int sum = entry[0];
entry[1] = n + 1;
entry[0] = (int)(sum * n + h.payoff) / (n + 1);
}
observedPayoffs[h] = entry;
}
}
if (Utils.rnd.Next((int)(1.0 / strategyMutation)) == 0) {
Strategies strat = (Strategies)Utils.rnd.Next(4);
while (strat == strategy || strat == (Strategies)blockedStrategy) strat = (Strategies)Utils.rnd.Next(4);
strategy = strat;
}
return success;
}
}
private void pnlContainer_MouseUp(object sender, MouseEventArgs e)
{
int x = (int)(e.X / (float)pnlContainer.Width * Environment.envW);
int y = (int)(e.Y / (float)pnlContainer.Height * Environment.envH);
if (e.Button == MouseButtons.Right)
{
environment.remove(x, y);
txtHumans.Text = environment.count(new Human(environment)).ToString();
txtMammoths.Text = environment.count(new Mammoth(environment)).ToString();
txtPlants.Text = environment.count(new Plant(environment)).ToString();
txtObstacles.Text = environment.count(new Stone(environment)).ToString();
environment.draw();
}
else if (e.Button == MouseButtons.Middle)
{
Entity add;
if (cmbAdd.Text == "Mammoth") add = new Mammoth(environment);
else if (cmbAdd.Text == "Human") add = new Human(environment);
else if (cmbAdd.Text == "Plant") add = new Plant(environment);
else if (cmbAdd.Text == "Stone") add = new Stone(environment);
else return;
Entity ent = environment.getNearest(x, y, add);
if (ent != null)
MessageBox.Show(environment.getDistance(x, y, ent.x, ent.y).ToString());
}
else {
Entity ent = environment.get(x, y);
if (ent != null)
{
txtActions.Text = ("Info:\r\n" + ent.getInfo() + "\r\n(x, y):(" + x + "," + y + ")");
}
}
}
public override void init()
{
strategy = (Strategies)Utils.rnd.Next(4);
while (strategy == (Strategies)blockedStrategy) strategy = (Strategies)Utils.rnd.Next(4);
payoff = minInitialPayoff + Utils.rnd.Next(minInitialPayoff);
prevDistance = 1e9;
prevGoal = null;
maxAge = maxHumanAge / 2 + Utils.rnd.Next(maxHumanAge / 2);
punisherGoals = new List<Human>();
prevPunisherGoal = null;
prevHunterGoal = null;
prevHunterDistance = 1e6;
prevMHunters = -1;
diedAtStep = -1;
observedPayoffs = new Hashtable();
}
private void pnlContainer_MouseDoubleClick(object sender, MouseEventArgs e)
{
Entity add = null;
if (cmbAdd.Text == "Mammoth") add = new Mammoth(environment);
else if (cmbAdd.Text == "Human") add = new Human(environment);
else if (cmbAdd.Text == "Plant") add = new Plant(environment);
else if (cmbAdd.Text == "Stone") add = new Stone(environment);
int x = (int)(e.X / (float)pnlContainer.Width * Environment.envW);
int y = (int)(e.Y / (float)pnlContainer.Height * Environment.envH);
if (add != null) add.init();
if (environment.get(x, y) == null && add != null) environment.add(add, x, y);
else if (environment.get(x, y) is Human)
{
Human h = (Human)environment.get(x, y);
h.strategy = (Strategies)(((int)h.strategy + 1) % 4);
}
txtHumans.Text = environment.count(new Human(environment)).ToString();
txtMammoths.Text = environment.count(new Mammoth(environment)).ToString();
txtPlants.Text = environment.count(new Plant(environment)).ToString();
txtObstacles.Text = environment.count(new Stone(environment)).ToString();
environment.draw();
}
