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windopper/ScoreboardUtils.java

Created March 9, 2022 10:22
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  1. windopper created this gist Mar 9, 2022.
    55 changes: 55 additions & 0 deletions ScoreboardUtils.java
    View file
    Original file line number Diff line number Diff line change
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    package Utils;

    import net.minecraft.network.chat.IChatBaseComponent;
    import net.minecraft.network.protocol.game.PacketPlayOutScoreboardDisplayObjective;
    import net.minecraft.network.protocol.game.PacketPlayOutScoreboardObjective;
    import net.minecraft.network.protocol.game.PacketPlayOutScoreboardScore;
    import net.minecraft.server.ScoreboardServer;
    import net.minecraft.server.network.PlayerConnection;
    import net.minecraft.world.scores.ScoreboardObjective;
    import net.minecraft.world.scores.criteria.IScoreboardCriteria;
    import org.bukkit.entity.Player;

    import java.util.ArrayList;
    import java.util.List;

    public class ScoreboardUtils {

    public static void showScoreboardToClientSide(Player player, String title, List<String> contents) {
    net.minecraft.world.scores.Scoreboard scoreboard = new net.minecraft.world.scores.Scoreboard();
    ScoreboardObjective obj = scoreboard.registerObjective(title, IScoreboardCriteria.a
    , IChatBaseComponent.ChatSerializer.b(title),
    IScoreboardCriteria.EnumScoreboardHealthDisplay.a);

    obj.a().setDisplaySlot(1, obj);

    PacketPlayOutScoreboardObjective removePacket =
    new PacketPlayOutScoreboardObjective(obj, 1);

    PacketPlayOutScoreboardObjective createPacket =
    new PacketPlayOutScoreboardObjective(obj, 0);

    PacketPlayOutScoreboardObjective updatePacket =
    new PacketPlayOutScoreboardObjective(obj, 2);

    PacketPlayOutScoreboardDisplayObjective display =
    new PacketPlayOutScoreboardDisplayObjective(1, obj);

    PlayerConnection playerConnection = ConnectionUtils.getPlayerConnection(player);

    playerConnection.sendPacket(removePacket);
    playerConnection.sendPacket(createPacket);
    playerConnection.sendPacket(updatePacket);

    for(int i=0; i<contents.size(); i++) {
    playerConnection.sendPacket(new PacketPlayOutScoreboardScore(ScoreboardServer.Action.a, title, contents.get(i), (contents.size())-i-1));
    }
    contents.clear();
    playerConnection.sendPacket(display);
    }

    public static void deleteScoreBoard(Player player) {
    List<String> list = new ArrayList<>();
    showScoreboardToClientSide(player, "X", list);
    }
    }