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MxLib - mxlib-spigot

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/*
 * Copyright (c) 2018-2021 Karlatemp. All rights reserved.
 * @author Karlatemp  
 *
 * MXLib/MXLib.mxlib-spigot.main/PlayerHelper.java
 *
 * Use of this source code is governed by the MIT license that can be found via the following link.
 *
 * https://github.com/Karlatemp/MxLib/blob/master/LICENSE
 */

package io.github.karlatemp.mxlib.spigot;

import io.github.karlatemp.unsafeaccessor.Root;
import org.bukkit.entity.Player;

import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;

import static io.github.karlatemp.mxlib.spigot.NmsHelper.*;

public class PlayerHelper {

    private static final Class EntityPlayer = getNmsClass("EntityPlayer");
    private static final Class CraftPlayer = getObcClass("entity.CraftPlayer");
    private static final Class PlayerConnection = getNmsClass("PlayerConnection");
    private static final Class Packet = getNmsClass("Packet");
    private static final MethodHandle EntityPlayer$playerConnection;
    private static final MethodHandle PlayerConnection$sendPacket;
    private static final MethodHandle CraftPlayer$getProfile;

    static {
        try {
            MethodHandles.Lookup trusted = Root.getTrusted();
            EntityPlayer$playerConnection = trusted.unreflectGetter(
                    EntityPlayer.getDeclaredField("playerConnection")
            );
            PlayerConnection$sendPacket = trusted.unreflect(
                    PlayerConnection.getDeclaredMethod("sendPacket", Packet)
            );
            CraftPlayer$getProfile = trusted.unreflect(
                    CraftPlayer.getDeclaredMethod("getProfile")
            );
        } catch (Throwable throwable) {
            throw new ExceptionInInitializerError(throwable);
        }
    }

    public static Object getPlayerConnection(Object entityPlayer) {
        try {
            return EntityPlayer$playerConnection.invoke(entityPlayer);
        } catch (Throwable throwable) {
            return throwx(throwable);
        }
    }

    public static void sendPacket(Object connection, Object packet) {
        try {
            PlayerConnection$sendPacket.invoke(connection, packet);
        } catch (Throwable throwable) {
            throwx(throwable);
        }
    }

    public static Object getProfile(Player player) {
        try {
            return CraftPlayer$getProfile.invoke(player);
        } catch (Throwable throwable) {
            return throwx(throwable);
        }
    }
}