NetworkPlayer

String getName()         // 玩家名
String getUuid()
int    getPing()         // 延迟 ms
String getGameMode()     // "SURVIVAL" / "CREATIVE" / "ADVENTURE" / "SPECTATOR"
String getDisplayName()  // Tab-list 显示名（含 prefix / suffix）

net.minecraft.client.multiplayer.PlayerInfo raw()

@Command(name="list")
void exec(args) {
    for (p : me.getWorld().getNetworkPlayers()) {
        me.log(p.getName() + " [" + p.getGameMode() + "] " + p.getPing() + "ms");
    }
}