import cn.nukkit.AdventureSettings; //导入依赖的package包/类
@Override
public void floatAt(int x, int y, int z, boolean alwaysGlass) {
    if (alwaysGlass || !player.getAllowFlight()) {
        super.floatAt(x, y, z, alwaysGlass);
        return;
    }

    setPosition(new Vector(x + 0.5, y, z + 0.5));
    player.getAdventureSettings().set(AdventureSettings.Type.ALLOW_FLIGHT, true);
    player.getAdventureSettings().set(AdventureSettings.Type.FLYING, true);
    player.getAdventureSettings().update();
}
 

import cn.nukkit.AdventureSettings; //导入依赖的package包/类
public PlayerGameModeChangeEvent(Player player, int newGameMode, AdventureSettings newAdventureSettings) {
    this.player = player;
    this.gamemode = newGameMode;
    this.newAdventureSettings = newAdventureSettings;
}
 

import cn.nukkit.AdventureSettings; //导入依赖的package包/类
public AdventureSettings getNewAdventureSettings() {
    return newAdventureSettings;
}
 

import cn.nukkit.AdventureSettings; //导入依赖的package包/类
public void setNewAdventureSettings(AdventureSettings newAdventureSettings) {
    this.newAdventureSettings = newAdventureSettings;
}
 

import cn.nukkit.AdventureSettings; //导入依赖的package包/类
public boolean canFly(Player player) {
    return player.getAdventureSettings().get(AdventureSettings.Type.ALLOW_FLIGHT);
}
 

import cn.nukkit.AdventureSettings; //导入依赖的package包/类
public void setCanFly(Player player, boolean canFly) {
    player.getAdventureSettings().set(AdventureSettings.Type.ALLOW_FLIGHT, canFly);
    player.getAdventureSettings().update();
}