// TYPOMONSTERS
// GRRRR!

// GLOBAL CONSTANTS
int NUM_MONSTERS = 3; // number of monster instances
int NUM_TYPESHAPES = 41; // size of the characterset
int AVG_FLOCKSIZE = 164;
float AVG_TYPESIZE = 6.0;
float AVG_SPEED = 3.0;
int RESET_TIMER = 10000; // reset a flock automatically after a specified time

Monster[] m = new Monster[NUM_MONSTERS];
PShape[] typeShape = new PShape[NUM_TYPESHAPES];
char[] charSet = {
  'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '.', ',', '!', '?', ' '};
// Character to integer mapping, I should have used ASCII encoding for this…
//'0', '1', '2', '3', '4', '5', '6', '7', '8', '9','10','11','12','13','14','15','16','17','18','19','20','21','22','23','24','25','26','27','28','29','30','31','32','33','34','35','36','37','38','39','40'

int idleTime, pIdleTime, actMonster;

void setup() {
  size(480, 320); // iPhone size ;-)
  smooth();
  noStroke();
  for (int i=0; i<m.length; i++) {
    float x = map(random(width), 0, width, width/6, width - width/6); // randomize x position
    float y = map(random(height), 0, height, height/6, height - height/6); // randomize y position
    int numType = NUM_TYPESHAPES*5; // multiplier sets amount of equal characters in flock
    int flockSize = int(random(AVG_FLOCKSIZE/2, AVG_FLOCKSIZE*1.5)); // randomize flocksize
    float typeSize = (AVG_TYPESIZE*flockSize/AVG_FLOCKSIZE); // let flocksize determine typesize
    m[i] = new Monster(x, y, numType, flockSize, typeSize, AVG_SPEED); // construct monsters
  }
  for (int j=0; j<NUM_TYPESHAPES; j++) {          // load array of shapes for type
    String shapeName = "t" + j + ".svg";
    typeShape[j] = loadShape(shapeName);
  }
}

void draw() {
  background(255);
  for (int i=0; i<m.length; i++) {
      m[i].update();
  }
  idleTime = millis() - pIdleTime;
  if (idleTime > RESET_TIMER) {
      resetIdleTimer();
      m[actMonster].resetFlock(); // reset active monster
  }
}

void mouseReleased() {
  resetIdleTimer();
  // determine which monster to reset
  float[] monsterDist = new float[m.length];  // create an array for storing the distances from the monsters to the mouse
  for (int i=0; i<monsterDist.length; i++) {
      monsterDist[i] = dist(mouseX, mouseY, m[i].x, m[i].y);
  }
  actMonster = minItem(monsterDist);  // test which monster is closest and set it to be active
  m[actMonster].resetFlock(); // reset active monster

  String s;
  switch(m[actMonster].getEmotion()) {
    case 0:
      s = "i am typomonster!";
      break;
    case 1:
      s = "kern me if you can";
      break;
    case 2:
      s = "helvetica sucks!";
      break;
    case 3:
      s = "do you like my spacing?";
      break;
    case 4:
      s = "comic sans lover";
      break;
    default:
      s = "hehehe";
      break;
  }
  m[actMonster].setString(stringToCode(s)); // display string
}

// convert a String to an array of integers
int[] stringToCode(String s) {
  int[] code = new int[s.length()];
  for (int i=0; i<s.length();i++) {
    for (int j=0; j<charSet.length;j++) {
      if (s.charAt(i)==charSet[j]) {
        code[i] = j;
      }
    }
  }
  return code;
}

int minItem(float[] testArray) {   
  float minimum = testArray[0];
  int item = 0;
  for(int i = 1; i < testArray.length; i++) {   
    if (testArray[i] < minimum) {   
       minimum = testArray[i];
       item = i;  
    }   
  } 
  return item;   
}

void resetIdleTimer() {
  pIdleTime += idleTime;
  idleTime = 0;
}