ARCADE2/game.html at main · jdunk4/ARCADE2 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Arcade</title>
  <style>
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background: #000;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
      overflow: hidden;
    }
    #game-container { width: 100%; height: 100%; }
    #status {
      position: fixed;
      top: 8px;
      right: 10px;
      font-family: monospace;
      font-size: 11px;
      color: #ffcc00;
      background: rgba(0,0,0,0.7);
      padding: 3px 8px;
      border-radius: 4px;
      z-index: 999;
      display: none;
    }
  </style>
</head>
<body>

<div id="status"></div>
<div id="game-container">
  <div id="game"></div>
</div>

<script>

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // CONFIG — all driven by URL params
  //
  // Arcade A (Pokemon Insurgence):
  //   game.html?rom=PLACEHOLDER_ROM_FILENAME_A&core=gba&id=pokemon-insurgence&wallet=0xABC
  //
  // Arcade B (A Plumber for All Seasons):
  //   game.html?rom=a-plumber-for-all-seasons_2021-11-22.sfc&core=snes&id=a-plumber-for-all-seasons&wallet=0xABC
  //
  // Arcade C (SMB3 Mix):
  //   game.html?rom=smb3mix-rev2B-prg0.nes&core=nes&id=smb3mix-rev2b&wallet=0xABC
  //
  // Arcade D (Rainbow Realms 1.3):
  //   game.html?rom=The%20Rainbow%20Realms%201.3.nes&core=nes&id=rainbow-realms-1-3&wallet=0xABC
  //
  // Arcade E (Rainbow Realms 2):
  //   game.html?rom=Rainbow%20Realms%202.nes&core=nes&id=rainbow-realms-2&wallet=0xABC
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  var params   = new URLSearchParams(window.location.search);

  var ROM_FILE = params.get("rom")    || "a-plumber-for-all-seasons_2021-11-22.sfc";
  var ROM_CORE = params.get("core")   || "snes";
  var ROM_ID   = params.get("id")     || "a-plumber-for-all-seasons";
  var WALLET   = params.get("wallet") || "anonymous";

  var SERVER    = "https://gamer-production.up.railway.app";
  var ROM_TOKEN = "kaizo-arcade-2024-secret";

  // Set page title to the ROM being played
  document.title = ROM_ID;

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // EMULATORJS — reads ROM_FILE and ROM_CORE set above
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  EJS_player        = "#game";
  EJS_core          = ROM_CORE;
  EJS_gameUrl       = SERVER + "/rom/" + encodeURIComponent(ROM_FILE) + "?token=" + ROM_TOKEN;
  EJS_pathtodata    = "https://cdn.emulatorjs.org/stable/data/";
  EJS_startOnLoaded = true;
  EJS_color         = "#e8000d";

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // STATUS HELPER
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  function showStatus(msg, duration) {
    duration = duration || 2500;
    var el = document.getElementById("status");
    el.textContent = msg;
    el.style.display = "block";
    clearTimeout(el._timer);
    el._timer = setTimeout(function() { el.style.display = "none"; }, duration);
  }

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // WAIT FOR EMULATOR TO BOOT
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  function waitForEmulator(callback, attempts) {
    attempts = attempts || 0;
    if (typeof EJS_emulator !== "undefined" && EJS_emulator.gameManager) {
      callback(EJS_emulator);
    } else if (attempts < 60) {
      setTimeout(function() { waitForEmulator(callback, attempts + 1); }, 500);
    }
  }

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // SAVE STATES
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  function loadSaveState(emulator) {
    if (WALLET === "anonymous") return;
    fetch(SERVER + "/save?wallet=" + WALLET + "&rom=" + ROM_ID)
      .then(function(res) { return res.json(); })
      .then(function(data) {
        if (data.state) {
          var binary = atob(data.state);
          var bytes  = new Uint8Array(binary.length);
          for (var i = 0; i < binary.length; i++) bytes[i] = binary.charCodeAt(i);
          emulator.gameManager.loadState(bytes);
          showStatus("💾 Save loaded");
        }
      }).catch(function(e) { console.warn("Could not load save state:", e); });
  }

  function writeSaveState(emulator) {
    if (WALLET === "anonymous") return;
    try {
      var stateBytes = emulator.gameManager.saveState();
      var base64     = btoa(String.fromCharCode.apply(null, stateBytes));
      fetch(SERVER + "/save", {
        method:  "POST",
        headers: { "Content-Type": "application/json" },
        body:    JSON.stringify({ wallet: WALLET, rom: ROM_ID, state: base64 })
      }).then(function() { showStatus("💾 Saved"); })
        .catch(function(e) { console.warn("Could not write save state:", e); });
    } catch(e) { console.warn("Save state error:", e); }
  }

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // AUTO-SAVE EVERY 60 SECONDS
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  function startAutoSave(emulator) {
    setInterval(function() { writeSaveState(emulator); }, 60000);
  }

  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  // BOOT
  // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  window.addEventListener("load", function() {
    waitForEmulator(function(emulator) {
      loadSaveState(emulator);
      startAutoSave(emulator);
    });
  });

  window.addEventListener("beforeunload", function() {
    if (typeof EJS_emulator !== "undefined" && EJS_emulator.gameManager) {
      writeSaveState(EJS_emulator);
    }
  });

</script>

<script src="https://cdn.emulatorjs.org/stable/data/loader.js"></script>
</body>
</html>