hytopia/examples/hole-in-wall-game/assets/ui/index.html

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

<!-- Scripts -->
<script>
  // State
  let queueCount = 0;
  let gameState = '';
  let gameStartTime = 0;

  // Helper functions
  function formatTime(seconds) {
    const minutes = Math.floor(seconds / 60);
    const remainingSeconds = seconds % 60;
    return `${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
  }

  function updateGameStatus(status) {
    const gameStatusElements = document.getElementsByClassName('game-status');
    for (let i = 0; i < gameStatusElements.length; i++) {
      gameStatusElements[i].innerText = status;
    }
  }

  function updatePlayerList(players) {
    const playerListElement = document.getElementsByClassName('player-list')[0];
    playerListElement.innerHTML = '';

    players.forEach(player => {
      const playerEntry = document.createElement('div');
      playerEntry.classList.add('player-entry');
      playerEntry.innerText = player;
      playerListElement.appendChild(playerEntry);
    });
  }

  // Event handlers
  hytopia.onData(data => {
    console.log(data);

    if (data.queueCount !== undefined) {
      queueCount = data.queueCount;

      const joinNpcQueuedPlayerCount = document.getElementById('join-npc-queued-player-count');
      if (joinNpcQueuedPlayerCount) {
        joinNpcQueuedPlayerCount.innerText = data.queueCount;
      }

      const queuedPlayerCount = document.getElementById('queued-player-count');
      if (queuedPlayerCount) {
        queuedPlayerCount.innerText = data.queueCount;
      }
    }

    if (data.gameState !== undefined) {
      gameState = data.gameState;

      if (gameState === 'awaitingPlayers') {
        document.getElementById('game-board-awaiting-players-info').style.display = 'block';
        document.getElementById('game-board-active-game-info').style.display = 'none';
        updateGameStatus('AWAITING PLAYERS...');
      }

      if (gameState === 'starting') {
        const gameCountdownStartTime = data.gameCountdownStartTime;
        const countdownSeconds = data.countdown;
        
        let timeLeft = countdownSeconds;
        const updateCountdown = () => {
          if (timeLeft > 0 && gameState === 'starting') {
            const now = Date.now();
            timeLeft = Math.max(0, Math.ceil((gameCountdownStartTime + (countdownSeconds * 1000) - now) / 1000));
            updateGameStatus(`GAME STARTING IN ${timeLeft}...`);
            setTimeout(updateCountdown, 1000);
          }
        };
        
        updateCountdown();
      }

      if (gameState === 'inProgress') {
        document.getElementById('game-board-awaiting-players-info').style.display = 'none';
        document.getElementById('game-board-active-game-info').style.display = 'block';
        updateGameStatus('GAME IN PROGRESS');
      }
    }

    if (data.gameLevel !== undefined) {
      document.getElementById('game-board-level').innerText = data.gameLevel;
    }

    if (data.gameStartTime !== undefined) {
      gameStartTime = data.gameStartTime;

      const updateElapsedTime = () => {
        const now = Date.now();
        const timeElapsed = Math.floor((now - gameStartTime) / 1000);
        document.getElementById('elapsed-time').innerText = formatTime(timeElapsed);

        if (gameState === 'inProgress') {
          setTimeout(updateElapsedTime, 1000);
        }
      };

      updateElapsedTime();
    }

    if (data.playersRemaining !== undefined) {
      document.getElementById('players-remaining').innerText = data.playersRemaining.length;
      updatePlayerList(data.playersRemaining);
    }
  });

  hytopia.registerSceneUITemplate('join-npc-ui', () => {
    const joinNpcUi = document.getElementById('join-npc-ui').content.cloneNode(true);
    joinNpcUi.getElementById('join-npc-queued-player-count').innerText = queueCount;
    return joinNpcUi;
  });

  hytopia.registerSceneUITemplate('player-queued', () => {
    return document.getElementById('player-queued').content.cloneNode(true);
  });
</script>

<!-- Game UI -->
<template id="join-npc-ui">
  <div class="join-message-box">
    <h2>Join Game</h2>
    <p>Come close to queue up for the next game!</p>
    <p class="player-count">PLAYERS QUEUED: <span id="join-npc-queued-player-count">0</span></p>
    <p class="game-status">AWAITING PLAYERS...</p>
    <div class="arrow"></div>
  </div>
</template>

<template id="player-queued">
  <div class="queued-message-box">
    <p class="queued-text">READY</p>
    <div class="arrow"></div>
  </div>
</template>

<div class="game-board">
  <h2>Hole In The Wall</h2>

  <div id="game-board-awaiting-players-info">
    <p class="elapsed-time">Queued Players: <span id="queued-player-count">0</span></p>
    <p class="game-status">AWAITING PLAYERS...</p>
  </div>

  <div id="game-board-active-game-info">
    <p class="level">Level: <span id="game-board-level">1</span></p>
    <p class="elapsed-time">Elapsed Time: <span id="elapsed-time">00:00</span></p>
    <p class="players-remaining">Players remaining: <span id="players-remaining">10</span></p>
    <div class="player-list"></div>
  </div>
</div>

<!-- Styles -->
<style>
  /* Global styles */
  * {
    font-family: Arial, sans-serif;
    user-select: none;
  }

  /* Game board styles */
  .game-board {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.8);
    padding: 15px 20px;
    border-radius: 12px;
    width: 200px;
  }

  .game-board h2 {
    color: white;
    margin: 0 0 10px 0;
    font-size: 24px;
    text-align: center;
  }

  #game-board-active-game-info {
    display: none;
  }

  .level {
    color: #4ade80;
    margin: 0 0 5px 0;
    text-align: center;
    font-weight: bold;
  }

  .elapsed-time {
    color: #60a5fa;
    margin: 0 0 5px 0;
    text-align: center;
    font-weight: bold;
  }

  .players-remaining, #game-board-awaiting-players-info {
    color: #ff4444;
    margin: 0 0 15px 0;
    text-align: center;
    font-weight: bold;
  }

  .player-list {
    max-height: 220px;
    overflow-y: scroll;
  }

  .player-entry {
    color: white;
    padding: 5px 10px;
    margin: 5px 0;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
  }

  .join-message-box, .queued-message-box {
    background: rgba(0,0,0,0.8);
    padding: 15px 20px 10px 20px;
    border-radius: 12px;
    position: relative;
    max-width: 250px;
    text-align: center;
  }

  .join-message-box h2 {
    color: white;
    margin: 0 0 10px 0;
    font-size: 24px;
    text-align: center;
  }

  .join-message-box p {
    color: white;
    margin: 0 0 15px 0;
    text-align: center;
  }

  .join-message-box .player-count {
    color: #4ade80;
    font-weight: bold;
  }

  .join-message-box .game-status {
    color: #ef4444;
    font-weight: bold;
  }

  .queued-message-box .queued-text {
    color: #4ade80;
    font-size: 24px;
    font-weight: bold;
    margin: 0;
  }

  .join-message-box .arrow {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid rgba(0,0,0,0.8);
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
  }
</style>