minecraft-aiworld/lobby-addon/lobby_transfer_BP/scripts/main.js

import { world, system } from "@minecraft/server";

// Portal definitions: name, center position, and direct transfer target
const portals = [
  { name: "Jamie's World", x: -15, y: 65, z: -24, host: "10.0.0.247", port: 19133 },
  { name: "Lyla's World",  x: 0,   y: 65, z: -24, host: "10.0.0.247", port: 19134 },
  { name: "Mya's World",   x: 15,  y: 65, z: -24, host: "10.0.0.247", port: 19135 },
];

const PORTAL_RADIUS_X = 2.5;
const PORTAL_RADIUS_Z = 2.0;
const PORTAL_RADIUS_Y = 2.0;
const COOLDOWN_TICKS = 100; // 5 seconds cooldown

// Track cooldowns per player
const cooldowns = new Map();

system.runInterval(() => {
  for (const player of world.getAllPlayers()) {
    const pos = player.location;
    const playerId = player.id;

    // Check cooldown
    const lastTransfer = cooldowns.get(playerId) || 0;
    if (system.currentTick - lastTransfer < COOLDOWN_TICKS) continue;

    for (const portal of portals) {
      const dx = Math.abs(pos.x - portal.x);
      const dy = Math.abs(pos.y - portal.y);
      const dz = Math.abs(pos.z - portal.z);

      if (dx < PORTAL_RADIUS_X && dy < PORTAL_RADIUS_Y && dz < PORTAL_RADIUS_Z) {
        cooldowns.set(playerId, system.currentTick);
        player.sendMessage(`§6Transferring to ${portal.name}...`);
        try {
          player.runCommand(`transfer ${player.name} ${portal.host} ${portal.port}`);
        } catch (e) {
          player.sendMessage(`§cTransfer failed: ${e.message}`);
        }
        break;
      }
    }
  }
}, 10); // Check every half second

// Clean up cooldowns when players leave
world.afterEvents.playerLeave.subscribe((event) => {
  cooldowns.delete(event.playerId);
});

system.run(() => {
  world.sendMessage("§6[Hub] §7Portal transfer system loaded!");
});