Boss Bar Disappearing

Does anyone have an API that works for the boss bar? All the ones I've come across don't work in 1.8, because the bar disappears when you face a different direction, or the API simply doesn't work.

If not, how would I go about coding this myself?

Thanks.

 

This took a few clicks
http://lmgtfy.com/?q=Bukkit+Bossbar+API

 

Code:

import java.lang.reflect.Field;
import java.lang.reflect.Method;

import net.minecraft.server.v1_8_R3.IChatBaseComponent;
import net.minecraft.server.v1_8_R3.PacketPlayOutTitle;
import net.minecraft.server.v1_8_R3.PlayerConnection;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer;
import org.bukkit.entity.Player;

public class TitleAPI

{
    public static boolean works = true;
    public static String nmsver;

    public void onEnable()
    {

        nmsver = Bukkit.getServer().getClass().getPackage().getName();
        nmsver = nmsver.substring(nmsver.lastIndexOf(".") + 1);
    }

    boolean isInteger(String s)
    {
        try
        {
            Integer.parseInt(s);
        }
        catch (NumberFormatException e)
        {
            return false;
        }
        return true;
    }

    @Deprecated
    public void sendTitle(Player player, Integer fadeIn, Integer stay, Integer fadeOut, String message)
    {
        sendTitle(player, fadeIn, stay, fadeOut, message, null);
    }

    @Deprecated
    public void sendSubtitle(Player player, Integer fadeIn, Integer stay, Integer fadeOut, String message)
    {
        sendTitle(player, fadeIn, stay, fadeOut, null, message);
    }

    @Deprecated
    public  void sendFullTitle(Player player, Integer fadeIn, Integer stay, Integer fadeOut, String title, String subtitle)
    {
        sendTitle(player, fadeIn, stay, fadeOut, title, subtitle);
    }

    public  void sendTitle(Player player, Integer fadeIn, Integer stay, Integer fadeOut, String title, String subtitle)
    {
        PlayerConnection connection = ((CraftPlayer)player).getHandle().playerConnection;

        PacketPlayOutTitle packetPlayOutTimes = new PacketPlayOutTitle(PacketPlayOutTitle.EnumTitleAction.TIMES, null, fadeIn.intValue(), stay.intValue(), fadeOut.intValue());
        connection.sendPacket(packetPlayOutTimes);
        if (subtitle != null)
        {
            subtitle = subtitle.replaceAll("%player%", player.getDisplayName());
            subtitle = ChatColor.translateAlternateColorCodes('&', subtitle);
            IChatBaseComponent titleSub = IChatBaseComponent.ChatSerializer.a("{\"text\": \"" + subtitle + "\"}");
            PacketPlayOutTitle packetPlayOutSubTitle = new PacketPlayOutTitle(PacketPlayOutTitle.EnumTitleAction.SUBTITLE, titleSub);
            connection.sendPacket(packetPlayOutSubTitle);
        }
        if (title != null)
        {
            title = title.replaceAll("%player%", player.getDisplayName());
            title = ChatColor.translateAlternateColorCodes('&', title);
            IChatBaseComponent titleMain = IChatBaseComponent.ChatSerializer.a("{\"text\": \"" + title + "\"}");
            PacketPlayOutTitle packetPlayOutTitle = new PacketPlayOutTitle(PacketPlayOutTitle.EnumTitleAction.TITLE, titleMain);
            connection.sendPacket(packetPlayOutTitle);
        }
    }

    /* Error */
    public  void sendTabTitle(Player player, String header, String footer)
    {
        // Byte code:
        //   0: aload_1
        //   1: ifnonnull +6 -> 7
        //   4: ldc -52
        //   6: astore_1
        //   7: bipush 38
        //   9: aload_1
        //   10: invokestatic 157    org/bukkit/ChatColor:translateAlternateColorCodes    (CLjava/lang/String;)Ljava/lang/String;
        //   13: astore_1
        //   14: aload_2
        //   15: ifnonnull +6 -> 21
        //   18: ldc -52
        //   20: astore_2
        //   21: bipush 38
        //   23: aload_2
        //   24: invokestatic 157    org/bukkit/ChatColor:translateAlternateColorCodes    (CLjava/lang/String;)Ljava/lang/String;
        //   27: astore_2
        //   28: aload_1
        //   29: ldc -110
        //   31: aload_0
        //   32: invokeinterface 148 1 0
        //   37: invokevirtual 153    java/lang/String:replaceAll    (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
        //   40: astore_1
        //   41: aload_2
        //   42: ldc -110
        //   44: aload_0
        //   45: invokeinterface 148 1 0
        //   50: invokevirtual 153    java/lang/String:replaceAll    (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
        //   53: astore_2
        //   54: aload_0
        //   55: checkcast 113    org/bukkit/craftbukkit/v1_8_R2/entity/CraftPlayer
        //   58: invokevirtual 115    org/bukkit/craftbukkit/v1_8_R2/entity/CraftPlayer:getHandle    ()Lnet/minecraft/server/v1_8_R2/EntityPlayer;
        //   61: getfield 119    net/minecraft/server/v1_8_R2/EntityPlayer:playerConnection    Lnet/minecraft/server/v1_8_R2/PlayerConnection;
        //   64: astore_3
        //   65: new 163    java/lang/StringBuilder
        //   68: dup
        //   69: ldc -91
        //   71: invokespecial 167    java/lang/StringBuilder:<init>    (Ljava/lang/String;)V
        //   74: aload_1
        //   75: invokevirtual 170    java/lang/StringBuilder:append    (Ljava/lang/String;)Ljava/lang/StringBuilder;
        //   78: ldc -82
        //   80: invokevirtual 170    java/lang/StringBuilder:append    (Ljava/lang/String;)Ljava/lang/StringBuilder;
        //   83: invokevirtual 176    java/lang/StringBuilder:toString    ()Ljava/lang/String;
        //   86: invokestatic 179    net/minecraft/server/v1_8_R2/IChatBaseComponent$ChatSerializer:a    (Ljava/lang/String;)Lnet/minecraft/server/v1_8_R2/IChatBaseComponent;
        //   89: astore 4
        //   91: new 163    java/lang/StringBuilder
        //   94: dup
        //   95: ldc -91
        //   97: invokespecial 167    java/lang/StringBuilder:<init>    (Ljava/lang/String;)V
        //   100: aload_2
        //   101: invokevirtual 170    java/lang/StringBuilder:append    (Ljava/lang/String;)Ljava/lang/StringBuilder;
        //   104: ldc -82
        //   106: invokevirtual 170    java/lang/StringBuilder:append    (Ljava/lang/String;)Ljava/lang/StringBuilder;
        //   109: invokevirtual 176    java/lang/StringBuilder:toString    ()Ljava/lang/String;
        //   112: invokestatic 179    net/minecraft/server/v1_8_R2/IChatBaseComponent$ChatSerializer:a    (Ljava/lang/String;)Lnet/minecraft/server/v1_8_R2/IChatBaseComponent;
        //   115: astore 5
        //   117: new 206    net/minecraft/server/v1_8_R2/PacketPlayOutPlayerListHeaderFooter
        //   120: dup
        //   121: aload 4
        //   123: invokespecial 208    net/minecraft/server/v1_8_R2/PacketPlayOutPlayerListHeaderFooter:<init>    (Lnet/minecraft/server/v1_8_R2/IChatBaseComponent;)V
        //   126: astore 6
        //   128: aload 6
        //   130: invokevirtual 49    java/lang/Object:getClass    ()Ljava/lang/Class;
        //   133: ldc -45
        //   135: invokevirtual 213    java/lang/Class:getDeclaredField    (Ljava/lang/String;)Ljava/lang/reflect/Field;
        //   138: astore 7
        //   140: aload 7
        //   142: iconst_1
        //   143: invokevirtual 217    java/lang/reflect/Field:setAccessible    (Z)V
        //   146: aload 7
        //   148: aload 6
        //   150: aload 5
        //   152: invokevirtual 223    java/lang/reflect/Field:set    (Ljava/lang/Object;Ljava/lang/Object;)V
        //   155: goto +30 -> 185
        //   158: astore 7
        //   160: aload 7
        //   162: invokevirtual 227    java/lang/Exception:printStackTrace    ()V
        //   165: aload_3
        //   166: aload 6
        //   168: invokevirtual 140    net/minecraft/server/v1_8_R2/PlayerConnection:sendPacket    (Lnet/minecraft/server/v1_8_R2/Packet;)V
        //   171: goto +20 -> 191
        //   174: astore 8
        //   176: aload_3
        //   177: aload 6
        //   179: invokevirtual 140    net/minecraft/server/v1_8_R2/PlayerConnection:sendPacket    (Lnet/minecraft/server/v1_8_R2/Packet;)V
        //   182: aload 8
        //   184: athrow
        //   185: aload_3
        //   186: aload 6
        //   188: invokevirtual 140    net/minecraft/server/v1_8_R2/PlayerConnection:sendPacket    (Lnet/minecraft/server/v1_8_R2/Packet;)V
        //   191: return
        // Line number table:
        //   Java source line #94    -> byte code offset #0
        //   Java source line #95    -> byte code offset #4
        //   Java source line #97    -> byte code offset #7
        //   Java source line #98    -> byte code offset #14
        //   Java source line #99    -> byte code offset #18
        //   Java source line #101    -> byte code offset #21
        //   Java source line #103    -> byte code offset #28
        //   Java source line #104    -> byte code offset #41
        //   Java source line #106    -> byte code offset #54
        //   Java source line #107    -> byte code offset #65
        //   Java source line #108    -> byte code offset #91
        //   Java source line #109    -> byte code offset #117
        //   Java source line #112    -> byte code offset #128
        //   Java source line #113    -> byte code offset #140
        //   Java source line #114    -> byte code offset #146
        //   Java source line #115    -> byte code offset #155
        //   Java source line #116    -> byte code offset #158
        //   Java source line #118    -> byte code offset #160
        //   Java source line #122    -> byte code offset #165
        //   Java source line #121    -> byte code offset #174
        //   Java source line #122    -> byte code offset #176
        //   Java source line #123    -> byte code offset #182
        //   Java source line #122    -> byte code offset #185
        //   Java source line #124    -> byte code offset #191
        // Local variable table:
        //   start    length    slot    name    signature
        //   0    192    0    player    Player
        //   0    192    1    header    String
        //   0    192    2    footer    String
        //   64    122    3    connection    PlayerConnection
        //   89    33    4    tabTitle    IChatBaseComponent
        //   115    36    5    tabFoot    IChatBaseComponent
        //   126    61    6    headerPacket    net.minecraft.server.v1_8_R2.PacketPlayOutPlayerListHeaderFooter
        //   138    9    7    field    Field
        //   158    3    7    e    Exception
        //   174    9    8    localObject    Object
        // Exception table:
        //   from    to    target    type
        //   128    155    158    java/lang/Exception
        //   128    165    174    finally
    }

    public  void sendActionBar(Player player, String message) // THE BOSS BAR
    {
        try
        {
            Class<?> c1 = Class.forName("org.bukkit.craftbukkit." + nmsver + ".entity.CraftPlayer");
            Object p = c1.cast(player);
            Object ppoc = null;
            Class<?> c4 = Class.forName("net.minecraft.server." + nmsver + ".PacketPlayOutChat");
            Class<?> c5 = Class.forName("net.minecraft.server." + nmsver + ".Packet");
            if ((nmsver.equalsIgnoreCase("v1_8_R1")) || (!nmsver.startsWith("v1_8_")))
            {
                Class<?> c2 = Class.forName("net.minecraft.server." + nmsver + ".ChatSerializer");
                Class<?> c3 = Class.forName("net.minecraft.server." + nmsver + ".IChatBaseComponent");
                Method m3 = c2.getDeclaredMethod("a", new Class[] { String.class });
                Object cbc = c3.cast(m3.invoke(c2, new Object[] { "{\"text\": \"" + message + "\"}" }));
                ppoc = c4.getConstructor(new Class[] { c3, Byte.TYPE }).newInstance(new Object[] { cbc, Byte.BYTES });
            }
            else
            {
                Class<?> c2 = Class.forName("net.minecraft.server." + nmsver + ".ChatComponentText");
                Class<?> c3 = Class.forName("net.minecraft.server." + nmsver + ".IChatBaseComponent");
                Object o = c2.getConstructor(new Class[] { String.class }).newInstance(new Object[] { message });
                ppoc = c4.getConstructor(new Class[] { c3, Byte.TYPE }).newInstance(new Object[] { o, Byte.BYTES });
            }
            Method m1 = c1.getDeclaredMethod("getHandle", new Class[0]);
            Object h = m1.invoke(p, new Object[0]);
            Field f1 = h.getClass().getDeclaredField("playerConnection");
            Object pc = f1.get(h);
            Method m5 = pc.getClass().getDeclaredMethod("sendPacket", new Class[] { c5 });
            m5.invoke(pc, new Object[] { ppoc });
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
            works = false;
        }
    }
}

 

@Eos This doesn't look like a boss bar.

@vtg_the_kid If you want to do it yourself you need to spawn a wither/enderdragon and move them in front of the player everytime they look around, the problem with 1.8 is that the boss bar does not render if the player is not looking directly at the entity, so you need to teleport the entity in front of the player.

 

@Konato_K Wow. That sucks.. I bet a lot of unknowing players will get quite annoyed with an Ender Dragon flying around on their cursor. Putting them on the bottom of the map was so nice

 

@Shortninja66 Servers (in 1.8) normally use a wither and make it invisble, they also put it several blocks away.

 

Obviously I searched that up, and found out that it didn't work for 1.8. Why didn't you click a few clicks more? You could've found that out yourself instead of looking like an idiot

 

#sendActionBar is the boss bar.

 

@Eos The action bar is not a boss bar, the boss bar is the one that renders the health of a "boss", the action bar is the text that appears above the hot bar, they are different things, you're not providing a boss bar, but a "replacement" which is not good in all situations.

 

My bad, I though it had it.