Learn Basic JavaScript by Building a Role Playing Game - Step 147

JavaScript
1

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Challenge Information:

Learn Basic JavaScript by Building a Role Playing Game - Step 147

2

Hi! What issue are you having? Can you paste your code? What have you already tried?

3 
let xp = 0;
let health = 100;
let gold = 50;
let currentWeapon = 0;
let fighting;
let monsterHealth;
let inventory = ["stick"];

const button1 = document.querySelector('#button1');
const button2 = document.querySelector("#button2");
const button3 = document.querySelector("#button3");
const text = document.querySelector("#text");
const xpText = document.querySelector("#xpText");
const healthText = document.querySelector("#healthText");
const goldText = document.querySelector("#goldText");
const monsterStats = document.querySelector("#monsterStats");
const monsterName = document.querySelector("#monsterName");
const monsterHealthText = document.querySelector("#monsterHealth");
const weapons = [
  { name: 'stick', power: 5 },
  { name: 'dagger', power: 30 },
  { name: 'claw hammer', power: 50 },
  { name: 'sword', power: 100 }
];
const monsters = [
  {
    name: "slime",
    level: 2,
    health: 15
  },
  {
    name: "fanged beast",
    level: 8,
    health: 60
  },
  {
    name: "dragon",
    level: 20,
    health: 300
  }
]
const locations = [
  {
    name: "town square",
    "button text": ["Go to store", "Go to cave", "Fight dragon"],
    "button functions": [goStore, goCave, fightDragon],
    text: "You are in the town square. You see a sign that says \"Store\"."
  },
  {
    name: "store",
    "button text": ["Buy 10 health (10 gold)", "Buy weapon (30 gold)", "Go to town square"],
    "button functions": [buyHealth, buyWeapon, goTown],
    text: "You enter the store."
  },
  {
    name: "cave",
    "button text": ["Fight slime", "Fight fanged beast", "Go to town square"],
    "button functions": [fightSlime, fightBeast, goTown],
    text: "You enter the cave. You see some monsters."
  },
  {
    name: "fight",
    "button text": ["Attack", "Dodge", "Run"],
    "button functions": [attack, dodge, goTown],
    text: "You are fighting a monster."
  },
  {
    name: "kill monster",
    "button text": ["Go to town square", "Go to town square", "Go to town square"],
    "button functions": [goTown, goTown, goTown],
    text: 'The monster screams "Arg!" as it dies. You gain experience points and find gold.'
  },
  {
    name: "lose",
    "button text": ["REPLAY?", "REPLAY?", "REPLAY?"],
    "button functions": [restart, restart, restart],
    text: "You die. ☠️"
  },
  { 
    name: "win", 
    "button text": ["REPLAY?", "REPLAY?", "REPLAY?"], 
    "button functions": [restart, restart, restart], 
    text: "You defeat the dragon! YOU WIN THE GAME! 🎉" 
  }
];

// initialize buttons
button1.onclick = goStore;
button2.onclick = goCave;
button3.onclick = fightDragon;

function update(location) {
  monsterStats.style.display = "none";
  button1.innerText = location["button text"][0];
  button2.innerText = location["button text"][1];
  button3.innerText = location["button text"][2];
  button1.onclick = location["button functions"][0];
  button2.onclick = location["button functions"][1];
  button3.onclick = location["button functions"][2];
  text.innerText = location.text;
}

function goTown() {
  update(locations[0]);
}

function goStore() {
  update(locations[1]);
}

function goCave() {
  update(locations[2]);
}

function buyHealth() {
  if (gold >= 10) {
    gold -= 10;
    health += 10;
    goldText.innerText = gold;
    healthText.innerText = health;
  } else {
    text.innerText = "You do not have enough gold to buy health.";
  }
}

function buyWeapon() {
  if (currentWeapon < weapons.length - 1) {
    if (gold >= 30) {
      gold -= 30;
      currentWeapon++;
      goldText.innerText = gold;
      let newWeapon = weapons[currentWeapon].name;
      text.innerText = "You now have a " + newWeapon + ".";
      inventory.push(newWeapon);
      text.innerText += " In your inventory you have: " + inventory;
    } else {
      text.innerText = "You do not have enough gold to buy a weapon.";
    }
  } else {
    text.innerText = "You already have the most powerful weapon!";
    button2.innerText = "Sell weapon for 15 gold";
    button2.onclick = sellWeapon;
  }
}

function sellWeapon() {
  if (inventory.length > 1) {
    gold += 15;
    goldText.innerText = gold;
    let currentWeapon = inventory.shift();
    text.innerText = "You sold a " + currentWeapon + ".";
    text.innerText += " In your inventory you have: " + inventory;
  } else {
    text.innerText = "Don't sell your only weapon!";
  }
}

function fightSlime() {
  fighting = 0;
  goFight();
}

function fightBeast() {
  fighting = 1;
  goFight();
}

function fightDragon() {
  fighting = 2;
  goFight();
}

function goFight() {
  update(locations[3]);
  monsterHealth = monsters[fighting].health;
  monsterStats.style.display = "block";
  monsterName.innerText = monsters[fighting].name;
  monsterHealthText.innerText = monsterHealth;
}

function attack() {
  text.innerText = "The " + monsters[fighting].name + " attacks.";
  text.innerText += " You attack it with your " + weapons[currentWeapon].name + ".";
  health -= getMonsterAttackValue(monsters[fighting].level);
if(health <= 0){
isMonsterHit;
}
  monsterHealth -= weapons[currentWeapon].power + Math.floor(Math.random() * xp) + 1;
  healthText.innerText = health;
  monsterHealthText.innerText = monsterHealth;
  if (health <= 0) {
    lose();
  } else if (monsterHealth <= 0) {
    if (fighting === 2) {
      winGame();
    } else {
      defeatMonster();
    }
  }
}

function getMonsterAttackValue(level) {
  const hit = (level * 5) - (Math.floor(Math.random() * xp));
  console.log(hit);
  return hit > 0 ? hit : 0;
}

function dodge() {
  text.innerText = "You dodge the attack from the " + monsters[fighting].name;
}

function defeatMonster() {
  gold += Math.floor(monsters[fighting].level * 6.7);
  xp += monsters[fighting].level;
  goldText.innerText = gold;
  xpText.innerText = xp;
  update(locations[4]);
}

function lose() {
  update(locations[5]);
}

function winGame() {
  update(locations[6]);
}

function restart() {
  xp = 0;
  health = 100;
  gold = 50;
  currentWeapon = 0;
  inventory = ["stick"];
  goldText.innerText = gold;
  healthText.innerText = health;
  xpText.innerText = xp;
  goTown();
}
4

I’ve edited your code for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.

You can also use the “preformatted text” tool in the editor (</>) to add backticks around text.

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5

It looks like this is your if statement here

But you have two issues.

First issue is the condition here

The directions say to call the isMonsterHit function.

The second issue is that you don’t need anything inside the body of the if statement here

once you fix those two issues, then the test will pass

6

can you help me to fix

7

Yes, I can help you.

let’s focus on the first issue here

you need to remove the health <=0
the directions want you to call the isMonsterHit function.

do you remember how to call functions?

8

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