{

  constructor(assetDictionary)

  {

    this.assetDictionary = assetDictionary;

    this.wallsGroup = new Group();

    this.player = null;

    this.enemies = [];    

    this.room = new Room(0, 0, 25, 25, this.assetDictionary.get("roomTiles"), this.wallsGroup);

    this.totalDebt = 100;

    this.numberOfCoins = 0;

    this.numberOfPotions = 5;

    this.cooldownTimer = 0;  // Basic framecount based timer

    this.sceneIndex = -1;

    this.levelsCleared = 0;

    this.difficultySlider = createSlider(1.01, 1.25, 1.08, 0.01);

    this.difficultySlider.hide();

    this.difficultySlider.style('width', '150px');

    this.interestRate = this.difficultySlider.value();

  }

  healPlayer()

  {

    if (this.cooldownTimer > 0 || this.player.health >= this.player.totalHealth || this.numberOfPotions < 1)

      return;

    this.cooldownTimer = 20;

    --this.numberOfPotions;

    this.assetDictionary.get("drinkSound").play();

    const healingPerPotion = 33;

    this.player.health += healingPerPotion;

    if (this.player.health > this.player.totalHealth)

      this.player.health = this.player.totalHealth

  }

  update()

  {    

    switch(this.sceneIndex)

    {

      case -1:

        this.updateTitle();

        break;

      case 0:

        this.updateIntro();

        break;

      case 1:

        this.updateArena();

        break;

      case 2:

        this.updateSummary();

        break;

      case 3:

        this.updateWin();

        break;

      case 4:

        this.updateLose();

        break;

    }

    if (this.cooldownTimer > 0)

      --this.cooldownTimer;

  }

​

  updateTitle()

  {

    // Text

    const margin = 60;

    fill(255);

    stroke(0);

    textFont(this.assetDictionary.get("font"));

​

    textSize(50);

    textAlign(CENTER, CENTER);

    text("Arena Grinder", width/2, margin);

    textSize(30);    

    textAlign(CENTER, TOP);

    let titleText = "A game about the troubles of paying off debt\nCreated By Max Calhoun\n\nCONTROLS:\nWASD - Movement\n E - Heal\nLeft Mouse Button - Attack";

    text(titleText, margin, 2*margin, width - 2 * margin, height - 2 * margin);

    // Slider

    this.difficultySlider.show();

    this.difficultySlider.position(width/2 - 75, height/2 + 45);

    this.interestRate = this.difficultySlider.value();

    text("Interest Rate\n(Difficulty)\n" + int((this.interestRate - 1)* 100) + "%", width/2, height/2 + 50);

    // Button

    let w = 200

    let h = w/16*9;

    let x = width/2 - w/2;

    let y = 5*height/6;

    drawButton("Play Game", x, y, w, h);

    if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

    {

      // reset

      this.reset();

      // play game

      this.cooldownTimer = 20;

      this.sceneIndex = 0;

      this.difficultySlider.hide();

      // sound effect

      this.assetDictionary.get("buttonClick").play();

    }

  }

  updateIntro()

  {

    // Text

    fill(255)

    stroke(0);

    textSize(30);

    textAlign(CENTER, TOP);

    textFont(this.assetDictionary.get("font"));

    let introText = "Several months ago, you took out a small loan to purchase some decorations for your house. You forgot to make the payments and now you owe 100 gold coins. Lately you have been receiving threatening messages from the bank. They claim they will seize everything you own if you do not start to pay off the debt soon. The only job that can give you the money you need in a short timeframe is fighting as a combatant in the arena. While the pay is good, the fighting could lead to your impending doom.";

    const margin = 60;

    text(introText, margin, margin, width - 2 * margin, height - 2 * margin);

    // Button

    let w = 200;

    let h = w/16*9;

    let x = width/2 - w/2;

    let y = 5*height/6;

    drawButton("Enter\nthe Arena", x, y, w, h);

    if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

    {

      camera.zoom = 4;

      this.sceneIndex = 1;

      this.createPlayer(createVector(200, 200));

      this.spawnEnemies();

      this.assetDictionary.get("music").setVolume(0.1);

      this.assetDictionary.get("music").loop();

      this.assetDictionary.get("music").play();

      // sound effect

      this.assetDictionary.get("buttonClick").play();

    }

  }

  updateLose()

  {

    // Text

    const margin = 60;

    fill(255);

    stroke(0);

    textFont(this.assetDictionary.get("font"));

​

    textSize(50);

    textAlign(CENTER, CENTER);

    text("Game Over!", width/2, margin);

    textSize(30);    

    textAlign(CENTER, TOP);

    let loseText = "You meet your doom while attempting to free yourself of debt. In retrospect, taking out that loan was a costly decision. In the future, you should consider the long-term consequences of the choices you make.\n\nYou were able clear " + this.levelsCleared + " arena battles!";

    text(loseText, margin, 2*margin, width - 2 * margin, height - 2 * margin);

    // Button

    let w = 200;

    let h = w/16*9;

    let x = width/2 - w/2;

    let y = 5*height/6;

    drawButton("Main Menu", x, y, w, h);

    if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

    {

      this.sceneIndex = -1;

      this.cooldownTimer = 20;

      // sound effect

      this.assetDictionary.get("buttonClick").play();

    }

  }

  updateWin()

  {

    // Text

    const margin = 60;

    fill(255);

    stroke(0);

    textFont(this.assetDictionary.get("font"));

​

    textSize(50);

    textAlign(CENTER, CENTER);

    text("You Win!", width/2, margin);

    textSize(30);    

    textAlign(CENTER, TOP);

    let winText = "After numerous battles in the arena, you were able to win enough gold to clear your debt. While you gain a sense of satisfaction knowing that you freed yourself of debt, a part of you feels frustrated knowing that you created more work for yourself than necessary.\n\nYou were able clear " + this.levelsCleared + " arena battles!";

    text(winText, margin, 2*margin, width - 2 * margin, height - 2 * margin);

    // Button

    let w = 200;

    let h = w/16*9;

    let x = width/2 - w/2;

    let y = 5*height/6;

    drawButton("Main Menu", x, y, w, h);

    if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

    {

      this.cooldownTimer = 20;

      this.sceneIndex = -1;

      // sound effect

      this.assetDictionary.get("buttonClick").play();

    }

  }

  updateSummary()

  {

    // Text

    fill(255)

    stroke(0);

    textSize(30);

    textAlign(CENTER, TOP);

    textFont(this.assetDictionary.get("font"));

    let summaryText = "You defeated your competitors and will advance to the next round. Your debt has accrued interest.\n\nYou now owe " + this.totalDebt + " gold.\nYou currently have " + this.numberOfCoins + " gold.\nYou have " + this.player.health + "/" + this.player.totalHealth + " health remaining.\nYou currently have " + this.numberOfPotions + " potions.";

    const margin = 60;

    text(summaryText, margin, margin, width - 2 * margin, height - 2 * margin);

    // Fight Button

    let w = 200

    let h = w/16*9;

    let x = width/2 - w/2;

    let y = 5*height/6;

    drawButton("FIGHT!", x, y, w, h);

    if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

    {

      this.player.sprite.position.x = 200;

      this.player.sprite.position.y = 200;

      camera.zoom = 4;

      this.sceneIndex = 1; 

      this.spawnEnemies();

      // sound effect

      this.assetDictionary.get("buttonClick").play();      

    }

    // Buy Potion Button

    const pricePerPotion = 8;

    if (this.numberOfCoins >= pricePerPotion)

    {

      x = width/5 - w/2;

      drawButton("Buy Potion", x, y, w, h);

​

      if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

      {

        this.numberOfCoins -= pricePerPotion;

        ++this.numberOfPotions;

        this.cooldownTimer = 20;

​

        // sound effect

        this.assetDictionary.get("buttonClick").play();        

      }

    }

    // Pay Debt Button

    if (this.numberOfCoins > 0)

    {

      x = 4*width/5 - w/2;

      drawButton("Pay Debt", x, y, w, h);

      if (this.cooldownTimer == 0 && mouseIsPressed && mouseX > x && mouseX <= x + w && mouseY > y && mouseY <= y + h)

      {

        this.totalDebt -= this.numberOfCoins;

        this.numberOfCoins = 0;

        if (this.totalDebt <= 0)

        {

          this.sceneIndex = 3;

          this.assetDictionary.get("music").fade(0, 1);

        }

        // sound effect

        this.assetDictionary.get("buttonClick").play();

      }

​

    }

  }

  updateArena()

  {    

    this.room.draw();

    drawSprites();

    const healKey = 69;

    if (keyIsDown(healKey))

      this.healPlayer();

    this.drawUI();  

    this.player.update();

    for (let i = this.enemies.length - 1; i >= 0 ; --i)

    {

      // Enemy is dead

      if (this.enemies[i].health <= 0)

      {

        this.enemies.splice(i, 1);

        this.numberOfCoins += int(random(10, 16));

      }

      // Enemy is alive

      else

        this.enemies[i].update();

    }

    // Player is dead

    if (this.player.health <= 0)

    {

      this.sceneIndex = 4;

      camera.zoom = 1;

      camera.position = createVector(width/2, height/2);

      this.assetDictionary.get("music").fade(0, 1);

    }

    // Player Won match

    else if (this.enemies.length == 0)

    {

      this.cooldownTimer = 20;

      this.sceneIndex = 2;

      ++this.levelsCleared;

      camera.zoom = 1;

      camera.position = createVector(width/2, height/2);

      this.totalDebt = int(this.totalDebt * this.interestRate);

    }

  }

  // draws UI elements in Arena fights

  drawUI()

  {

    const size = 16;

​

    // anchors to top left corner

    let x = camera.position.x - (width/2)/camera.zoom;

    let y = camera.position.y - (height/2)/camera.zoom;

​

    fill(255)

    stroke(0);

    textAlign(LEFT, BOTTOM);

    textFont(this.assetDictionary.get("font"));

    image(this.assetDictionary.get("potion"), x, y, size, size);

    text(this.numberOfPotions, x + size, y, 4 * size, size);

    image(this.assetDictionary.get("coin"), x, y + size, size, size);

    text(this.numberOfCoins, x + size, y + size, 4 * size, size);

  }

  createPlayer(spawnPosition)

  {

    let playerAnimations = [];

    playerAnimations.push(this.assetDictionary.get("playerIdle"));

    playerAnimations.push(this.assetDictionary.get("playerRun"));

    playerAnimations.push(this.assetDictionary.get("playerHit"));

    let weapon = new Weapon(this.assetDictionary.get("swordWeapon"), 19, this.assetDictionary.get("swordSwing"));

    this.player = new Player(playerAnimations, spawnPosition, 100, weapon, this.wallsGroup, this.enemies);

  }

  // fills room with multiple enemies

  spawnEnemies()

  {

    let spawnPosition = createVector(330, 330);

    this.createEnemy(spawnPosition);

    spawnPosition = createVector(40, 330);

    this.createEnemy(spawnPosition);

​

    spawnPosition = createVector(330, 40);

    this.createEnemy(spawnPosition);

    spawnPosition = createVector(40, 40);

    this.createEnemy(spawnPosition);

  }

  // creates single enemy

  createEnemy(spawnPosition)

  {

    if (this.player == null)

      throw new Exception("Need to create player before enemies are created");

    let enemyAnimations = [];

    enemyAnimations.push(this.assetDictionary.get("enemyIdle"));

    enemyAnimations.push(this.assetDictionary.get("enemyRun"));

    let weapon = new Weapon(this.assetDictionary.get("maceWeapon"), 10, this.assetDictionary.get("maceSwing"));

    let newEnemy = new AI(enemyAnimations, spawnPosition, this.player, 75, weapon, this.wallsGroup);

    this.enemies.push(newEnemy);

  }

  reset()

  {

    // need to remove any existing sprites becuase they are stored in a separate container, meaning they will still show up even if a new player/enemy replaces them

    if (this.player != null)

    {

      this.player.sprite.remove();

      this.player.weapon.sprite.remove();

    }

    for (let i = 0; i < this.enemies.length; ++i)

    {

      this.enemies[i].sprite.remove();

      this.enemies[i].weapon.sprite.remove();

    }

    this.player = null;

    this.enemies = [];

    this.totalDebt = 100;

    this.numberOfCoins = 0;

    this.numberOfPotions = 5;

    this.levelsCleared = 0;

    this.assetDictionary.get("music").stop();

  }

}

​

​