Walking NPC - iMagic

//Scripted by Graal2007722
//#CLIENTSIDE
function onCreated() {
  showcharacter();
  this.head = "mum_head71.png";
  this.colors[0] = "orange";
  this.colors[1] = "black";
  this.colors[2] = "black";
  this.colors[3] = "black";
  this.colors[4] = "black";
  this.shield = "no-shield.png";
  setcharani("idle",NULL);
  this.ap = 50;
  this.nick = "Mary";
  this.speed = 0.25;  // Customizable.
  this.range = 1;  // Non-Customizable.
  onNewState();
}

function onNewState() {
  temp.state = randomstring("walk", "idle");
  if (temp.state == "walk") {
    this.ani = temp.state;
    this.isWalking = true;
    setTimer(random(3,8));  // Timer to choose arbitrary state.
    onNewDir();
  } else {
    this.ani = temp.state;
    this.isWalking = false;
    setTimer(random(3, 8));  // Timer to choose arbitrary state.
  }
}

function onNewDir(olddir) {
  this.dir = int(random(0,4));
  if (this.dir == olddir) {
    onNewDir(this.dir);
  }
  switch (this.dir) {
    case 0:
    onMove(this.dir);
    break;

    case 1:
    onMove(this.dir);
    break;

    case 2:
    onMove(this.dir);
    break;

    case 3:
    onMove(this.dir);
    break;
  }
}

function onMove(this.dir) {
  if (this.isWalking) {
    switch (this.dir) {
      case 0:  // Move up.
      for (i = this.y; i > 4; i -= this.speed) {
        if (onwall(this.x,this.y - this.range)) { break; }
        if (!this.isWalking) { break; }
        sleep(0.01);
        this.y -= this.speed;
      }
      onNewDir(this.dir);
      break;

      case 1:  // Move left.
      for (i = this.x; i > 4; i -= this.speed) {
        if (onwall(this.x - this.range,this.y)) { break; }
        if (!this.isWalking) { break; }
        sleep(0.01);
        this.x -= this.speed;
      }
      onNewDir(this.dir);
      break;

      case 2:  // Move down.
      for (i = this.y; i < 60; i += this.speed) {
        if (onwall(this.x,this.y + this.range)) { break; }
        if (!this.isWalking) { break; }
        sleep(0.01);
        this.y += this.speed;
      }
      onNewDir(this.dir);
      break;

      case 3:  // Move right.
      for (i = this.x; i < 60; i += this.speed) {
        if (onwall(this.x + this.range,this.y)) { break; }
        if (!this.isWalking) { break; }
        sleep(0.01);
        this.x += this.speed;
      }
      onNewDir(this.dir);
      break;
    }
  }
}

function onPlayerTouchsMe() {
  sleep(0.01);
  onNewDir(this.dir);
}

function onTimeout() {
  onNewState();
}