PImage myPerson;
PImage redPerson;
PImage deadPerson;
PImage city;
PImage title;
boolean preGameFlag;      //true=preGame (wait for mouseclick) , false=game in play

Person[] People;//This describes what kimd of data the array contains.
Animal[] Animal;
Doctor[] Doctor;
Undertaker[] Undertaker;

int n = 100; //Number of people.
int na = 100; //Number of animals.
int nd = 10; //number of doctors
int nu = 30; //number of undertakers
int computeDelay = 0;
int healthyCount = 0;
int sickCount = 0;
int deadCount = 0;

void setup()
{
  title = loadImage("title.gif");
  city = loadImage("map.gif");
  /*myPerson = loadImage("personwhite.gif");
   redPerson = loadImage("redperson.gif");
   deadPerson = loadImage("deadghost.gif");*/
  preGameFlag = true;                 //starts with preGame text and waits for mouseclick

  size(800, 600, P3D);//Processing's 3 mode is being used to make it run faster.
  frameRate(30);
  noStroke();
  //smooth();
  PFont statusFont;

  statusFont = loadFont("Univers-Bold-48.vlw");
  textFont(statusFont);
  People = new Person[n];//This is how large the array is.
  Animal = new Animal[na];
  Doctor = new Doctor[nd];
  Undertaker = new Undertaker[nu];

  for(int J = 0;J<n;J++){ //Populates array with people
    People[J] = new Person(int(random(width)),int(random(height)));//This assigns a random location for each person.
  }
  for(int I = 0;I<na;I++){ //Populates array with animals
    Animal[I] = new Animal(int(random(width)),int(random(height)));//This assigns a random location for each person.
  }

  for(int I = 0;I<nu;I++){ //Populates array with animals
    Undertaker[I] = new Undertaker(int(random(width)),int(random(height)));//This assigns a random location for each person.
  }

  for(int J = 0;J<10;J++){//this defines how many people start off sick.
    People[J].health = 1;  
  }
  for(int I = 0;I<10;I++){//this defines how many people start off sick.
    Animal[I].health = 1;  

  }

  for(int U = 0;U<10;U++){//this defines how many people start off sick.
    Undertaker[U].health = 1;  

  }
}

void draw() {
  if (preGameFlag){        //if this is true then the game is not in play
    preGame();
  } 
  else { 

    /*    if (keyPressed){
     if (key == 'D' || key == 'd'){  
     for(int I = 0;I<nd;I++){ //Populates array with doctors
     Doctor[I] = new Doctor((mouseX),(mouseY));//This assigns a random location for each person.
     }
     }
     
     } */

    if (mousePressed){
      for(int I = 0;I<nd;I++){ //Populates array with doctors
        Doctor[I] = new Doctor((mouseX),(mouseY));//This assigns a random location for each person.
      }
    }

    background(city);
    fill(255);
    textSize(18);
    text("People (" + checkHealth() + ")", 100, 100, 100);
    //  text("Living = " + checkHealth(), 100, 400, 100);
    fill(0, 255, 0);
    textSize(15);
    text("Sick : " + checkSick(), 100, 120, 100);
    fill(211,9,9);
    text("Dead : " + checkDead(), 100, 140, 100);

    textSize(18);
    fill(227,196,158);
    text("Animals (" + checkHealthAnimal() + ")", 100, 450, 100); //text shows living animals
    fill(0, 255, 0);
    textSize(15);
    text("Sick : " + checkSickAnimal(), 100, 470, 100); //text shows sick animal
    fill(211,9,9);
    text("Dead : " + checkDeadAnimal(), 100, 490, 100); //text shows dead animal

    for(int J = 0;J<n;J++){
      People[J].Draw();
      People[J].Move();
      People[J].checkHit();
      People[J].disease();

      /*  if(computeDelay < 5)
       {
       computeDelay++;
       }
       else if(computeDelay == 5)
       {*/

      // }
    }

    for(int I = 0;I<na;I++){
      Animal[I].Draw();
      Animal[I].Move();
      Animal[I].checkHit();
      Animal[I].disease();
    }


    for(int I = 0;I<nd;I++){
      Doctor[I].Draw();
      Doctor[I].Move();
      Doctor[I].checkHit();
      Doctor[I].disease();
    }

    for(int U = 0;U<nd;U++){
      Undertaker[U].Draw();
      Undertaker[U].Move();
      Undertaker[U].checkHit();

    }


    //print(checkHealth());
    //print(checkHealthAnimal());
  }
}

int checkSick(){
  //Returns number of sick people.
  int S = 0;
  for(int J = 0;J<n;J++){ 
    if(People[J].health == 1){
      S++;//H returns the number of sick people.
    }
  }
  return S;
}

int checkSickAnimal(){
  //Returns number of sick people.
  int Sa = 0;
  for(int I = 0;I<na;I++){ 
    if(Animal[I].health == 1){
      Sa++;//H returns the number of sick people.
    }
  }
  return Sa;
}

int checkHealth(){
  //Returns number of sick people.
  int H = 0;
  for(int J = 0;J<n;J++){ 
    if(People[J].health == 0){
      H++;//H returns the number of sick people.
    }
  }
  return H;
}

int checkHealthAnimal(){
  //Returns number of sick people.
  int Ha = 0;
  for(int I = 0;I<na;I++){ 
    if(Animal[I].health == 0){
      Ha++;//H returns the number of sick people.
    }
  }
  return Ha;
}

int checkDead(){
  //Returns number of sick people.
  int De = 0;
  for(int J = 0;J<n;J++){ 
    if(People[J].health == 2){
      De++;//De returns the number of sick people.
    }
  }
  return De;
}

int checkDeadAnimal(){
  //Returns number of sick people.
  int Da = 0;
  for(int I = 0;I<na;I++){ 
    if(Animal[I].health == 2){
      Da++;//De returns the number of sick people.
    }
  }
  return Da;
}
/*     preGame - freezes last game, prints title info and waits for a mouse click to start game */
void preGame (){
  fill(255,0,0);                              //red font

  text ("Click Game to Begin", 110, 100);
  background(title);

  if (mousePressed == true) {                //checks for mouseclick from player
    preGameFlag = false;                     //starts gameplay

  }

}