void Ocean::initCells(void) {
addEmptyCells();
addObstacles();
addPredators();
addPrey();
displayStats(-1);
displayBorder();
Ocean1 = this;
}
// Draw the content of the scene
void Scene::draw(bwindow& win)
{
int i,j;
// Total number of agents
unsigned int N = nb_prey+nb_hunt;
// Preys eaten this step
preys_eaten = 0;
// Draw borders
for(i = 0; i < nb_borders; i++)
{
int* bordPoints = new int [4];
bordPoints = borders[i].get_points();
win.draw_line(bordPoints[0], bordPoints[1], bordPoints[2], bordPoints[3], borders[i].get_color());
delete bordPoints;
}
// Draw obstacles
for(j=0; j<nb_obstacles; j++)
{
for(i=0; i<360; i += round(300/obstacles[j].r))
{
win.draw_point(round(obstacles[j].x +(obstacles[j].r)*cos(i*0.017453)), round(obstacles[j].y + (obstacles[j].r)*sin(i*0.017453)), 0x4D9E3A);
}
win.draw_point(obstacles[j].x, obstacles[j].y, 0x4D9E3A);
}
int count_deads = 0;
// Compute new positions and count
for(j=0; j<(N); j++)
{
// State of the agent (has eaten, is alive or dead)
int state = agents[j]->get_state();
// If the agent is not dead
if(state < 1)
{
if(state >= 0)
{
// Move the agent
agents[j]->move(borders, nb_borders, agents,j,N, obstacles, nb_obstacles);
}
else
{
// Wait for the time to be spent
agents[j]->wait();
}
}
else
{
if(state == 1)
count_deads++;
}
}
// Update position and draw
for(j=0; j<(N); j++)
{
// State of the agent (has eaten, is alive or dead)
int state = agents[j]->get_state();
// If the agent is not dead
if(state < 1)
{
if(state >= 0)
{
// Move the agent
agents[j]->update_pos();
}
// Draw the new position
win.draw_fsquare(round(agents[j]->get_x()-1),round(agents[j]->get_y()-1),round(agents[j]->get_x()+1),round(agents[j]->get_y()+1),agents[j]->get_color());
}
}
// Counters and texts
// Enough to hold all numbers up to 64-bits
char numstr[21];
sprintf(numstr, "%d", count_deads);
std::string count_string = " preys eaten.";
count_string = numstr + count_string;
win.draw_text(40,40,0x0,count_string.c_str(),count_string.size());
sprintf(numstr, "%d", (int)round(hunt_count));
count_string = " dead hunters.";
count_string = numstr + count_string;
win.draw_text(DefVal::WINDOW_WIDTH-140,40,0x0,count_string.c_str(),count_string.size());
if((nb_hunt == (int)round(hunt_count)) || (nb_hunt == DefVal::NB_MAX_HUNT) || (nb_prey == DefVal::NB_MAX_PREY))
win.draw_text(DefVal::WINDOW_WIDTH-95, DefVal::WINDOW_HEIGHT-40,0xFF0000, "THE END!", strlen("THE END!"));
// Prey generation
double birthrate = (nb_prey-count_deads)*DefVal::MU*(1 - ((nb_prey-count_deads)/DefVal::NB_LIM_PREY));
int dn = round(prey_count+birthrate) - round(prey_count);
if(dn)
{
for(i=0; i<dn; i++)
addPrey();
}
prey_count += birthrate;
// Hunter decay
double deathrate = DefVal::MU2*(nb_hunt - round(hunt_count));
if (deathrate < 0)
deathrate = 0;
int dp = round(hunt_count+deathrate) - round(hunt_count);
if(dp)
{
for(i=0; i<dn; i++);
{
hunters_killed++;
dead_hunters++;
}
}
hunt_count += deathrate;
// Hunter generation
for(i = 0; i< preys_eaten; i++)
{
addHunter();
}
}
