src/list.cpp


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#include "list.hpp"

List::List(Window m) //Constructor
{
  int i;
  //Creates 5 creatures, inserts them into vector C
  for(i=0;i<5;i++)
  {
    Creature X(m,"img/Cbasic.png");
    C.push_back(X);
  }

  //Creates 5 resources, inserts them into vector R; inserts locations of resources into vector L
  for(i=0;i<5;i++)
  {
    Resource Y(m,"img/Rbasic.png");
    R.push_back(Y);
    L.push_back(Y.getLocation());
  }
}

void List::Place()
{
  int i;

  //if any locations are creatures, erases them from vector L
  for(i = 0;i < L.size(); i++)
    if(L[i].type==1)
      L.erase(L.begin()+i);

  //places each creature on window, inserts their locations into vector L
  for(i = 0; i < C.size(); i++)
  {
    C[i].Place();
    L.push_back(C[i].getLocation());
  }

  //places all resources
  for(i = 0; i < R.size(); i++)
  {
    R[i].Place();
  }
}

void List::Behavior()
{
  int i, j;
  std::vector<Location> Z;

  //
  for(i = 0; i < C.size(); i++)
  {
    C[i].Behavior(); //executes the behavior of the creature at i
    for(j = 0; j < L.size(); j++)
      if(200>(Distance(C[i].getLocation(),L[j]))) //if the distance between the creature and L[j] is less than 200, insert L[j] into vector Z.
      {
        Z.push_back(L[j]);
      }

    C[i].giveKnown(Z); //sets creature's target location?
    Z.clear(); //clear vector Z for next creature
  }
}

double List::Distance(Location A, Location B)
{
  //computes distance between two points
  double z = sqrt(pow(A.x - B.x, 2) + pow(A.y - B.y, 2));
  return z;
}