我想使用我的其他课程包括我的主类 / Java Minecraft纸插件上的侦听器

Question

• 我将Gradle用于构建，Java，Minecraft，纸插件
• Ctrl+F，找出

我分别制作了这些插件的“问题”。现在，我将它们放在一个插件中，但将每个班级分开。然后，发生此错误。我想解决这个问题。 我认为thir_function.third_listener可以用于该位置，但似乎是werng ...

package com;

import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.format.NamedTextColor;
import org.bukkit.GameRule;
import org.bukkit.World;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.player.PlayerJoinEvent;

import org.bukkit.event.Listener;
import org.bukkit.plugin.java.JavaPlugin;



public class mainclass extends JavaPlugin implements Listener {

    @Override
    public void onEnable() {
        getLogger().warning("Server started.");

        first_function first = new first_function(this);
        first.onEnable();

        second_function second = new second_function(this);
        second.onEnable();

        third_function third = new third_function(this);
        third.onEnable();
        PlayerJoinEvent third_listener;
        third.onPlayerJoin(third_function.third_listener); // the problem. please help me, how can I get rid of this error?

    }
}

class first_function implements Listener {

    private final mainclass plugin;

    first_function(mainclass plugin) {
        this.plugin = plugin;
    }

    void onEnable() {
        this.plugin.getLogger().warning("Hello, world!");
    }
}

class second_function implements Listener {

    private final mainclass plugin;

    second_function(mainclass plugin) {
        this.plugin = plugin;
    }
    void onEnable() {
        World world = this.plugin.getServer().getWorld("world");
        world.setGameRule(GameRule.DO_DAYLIGHT_CYCLE, false);
    }


}

class third_function implements Listener {

    private final mainclass plugin;

    third_function(mainclass plugin) {
        this.plugin = plugin;
    }
    Listener third_listener = (this);

    void onEnable() {
        this.plugin.getServer().getPluginManager().registerEvents(this, plugin);
    }

    @EventHandler
    void onPlayerJoin(PlayerJoinEvent event) {
        event.getPlayer().sendActionBar(Component.text("Welcome",(NamedTextColor.BLUE)));
    }

}

Answer 1

您应该注册听众，而不是尝试自己调用该方法。例如：

@Override
public void onEnable() {
    third_function third = new third_function(this);
    getServer().getPluginManager().registerEvents(third, this);
}

另外，我主要建议您使用全局Java名称惯例，例如name thirdfunction而不是third_function例如