Tablist [1.12 - 1.16]

package pl.mnekos.tablist ;

import java.util.HashSet ;
import java.util.Iterator ;
import java.util.Set ;
import java.util.UUID ;
import org.bukkit.entity.Player ;
import pl.mnekos.tablist.packets.BarPacketFactory ;

public class TablistManager {
    public static final UUID [ ] BARS = new UUID [ 80 ] ;
    private final Set <PlayerTablist > tablists = new HashSet ( ) ;
    private TablistGenerator generator ;
    private TablistUpdater updater ;

    public TablistManager (TablistGenerator generator, TablistUpdater updater ) throws Exception {
        this. generator = generator ;
        this. updater = updater ;
        BarPacketFactory. loadInfoField ( ) ;
        updater. start ( this ) ;
    }

    public PlayerTablist createTablist (Player player ) {
        PlayerTablist tablist = new PlayerTablist (player ) ;
        this. tablists. add (tablist ) ;
        String [ ] headerfooter = this. generator. generateHeaderFooter (player ) ;
        tablist. sendTablist (headerfooter [ 0 ], headerfooter [ 1 ], this. generator. generateBars (player ) ) ;
        return tablist ;
    }

    public void removeTablist (Player player ) {
        PlayerTablist tablist = this. getTablist (player ) ;
        if (tablist != null ) {
            tablist. removeTablist ( ) ;
        }

    }

    public PlayerTablist getTablist (Player player ) {
        Iterator var2 = this. tablists. iterator ( ) ;

        PlayerTablist tablist ;
        do {
            if ( !var2. hasNext ( ) ) {
                return null ;
            }

            tablist = (PlayerTablist )var2. next ( ) ;
        } while ( !tablist. getPlayer ( ). equals (player ) ) ;

        return tablist ;
    }

    public void stopUpdating ( ) {
        this. updater. stop ( ) ;
    }

    static {
        for ( int i = 0 ; i < 80 ; ++i ) {
            BARS [i ] = UUID. fromString ( String. format ( "00000000-0000-00%s-0000-000000000000", i < 10 ? "0" + i : Integer. toString (i ) ) ) ;
        }

    }
}


 

package pl.mnekos.tablist ;

import org.bukkit.entity.Player ;
import org.bukkit.plugin.Plugin ;

public abstract class TablistGenerator {

    protected Plugin plugin ;

    public TablistGenerator (Plugin plugin ) {
        this. plugin = plugin ;
    }

    /**
     * Method creates player header and footer for specified Player.
     * @param player - specified player
     * @return Table with header and footer
     */
    public abstract String [ ] generateHeaderFooter (Player player ) ;

    /**
     * Method creates tablist for specified player.
     * @param player - specified player
     * @return 80-size table which every element represents one entry in tablist
     */
    public abstract TabEntry [ ] generateBars (Player player ) ;

}

package pl.mnekos.tablist ;

import com.mojang.authlib.properties.Property ;

public class TabEntry implements Cloneable {

    // borrowed from Project Ares
    public static final Property DEFAULT_SKIN = new Property (
            "textures",
            "eyJ0aW1lc3RhbXAiOjE0MTEyNjg3OTI3NjUsInByb2ZpbGVJZCI6IjNmYmVjN2RkMGE1ZjQwYmY5ZDExODg1YTU0NTA3MTEyIiwicHJvZmlsZU5hbWUiOiJsYXN0X3VzZXJuYW1lIiwidGV4dHVyZXMiOnsiU0tJTiI6eyJ1cmwiOiJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlLzg0N2I1Mjc5OTg0NjUxNTRhZDZjMjM4YTFlM2MyZGQzZTMyOTY1MzUyZTNhNjRmMzZlMTZhOTQwNWFiOCJ9fX0=",
            "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" ) ;

    public String text = "" ;
    public int ping = 10000 ;
    public Property head ;

    public TabEntry ( ) {
        this. head = DEFAULT_SKIN ;
    }

    public TabEntry ( String text ) {
        this. head = DEFAULT_SKIN ;
        this. text = text ;
    }

    public TabEntry getText ( String text ) {
        this. text = text ;
        return this ;
    }

    public TabEntry setPing ( int ping ) {
        this. ping = ping ;
        return this ;
    }

    public TabEntry setHead (Property head ) {
        this. head = head ;
        return this ;
    }

    public TabEntry removeHead ( ) {
        return setHead (DEFAULT_SKIN ) ;
    }

    @Override
    public TabEntry clone ( ) {
        return new TabEntry (text ). setPing (ping ). setHead (head ) ;
    }
}
 

package pl.mnekos.tablist ;

public abstract class TablistUpdater {

    /**
     * Method starts to listen for events and creates tasks to update tablist entries.
     * @param manager - manager which is used to manage players tablist.
     */
    public abstract void start (TablistManager manager ) ;

    /**
     * Method stops to listen for events and cancel tasks, which are needed to update tablist entries.
     */
    public abstract void stop ( ) ;

}

public void updateBar ( int index, @Nonnull TabEntry entry ) {
    Validate. isTrue (index <= 79, "Bar index cannot be higher than 79!" ) ;
    Validate. isTrue (index >= 0, "Bar index cannot be smaller than 0!" ) ;


    Tablist. executorService. submit ( ( ) -> {
        try {
            Bar bar = this. bars [index ] ;
            PlayerConnection connection = ( (CraftPlayer ) this. player ). getHandle ( ). playerConnection ;
            PacketPlayOutPlayerInfo packet ;
            if (bar. setHead (entry. head ) ) {
                packet = BarPacketFactory. getPacket (EnumPlayerInfoAction. ADD_PLAYER, bar ) ;
                connection. sendPacket (packet ) ;
            } else {
                if (bar. setText (entry. text ) ) {
                    packet = BarPacketFactory. getPacket (EnumPlayerInfoAction. UPDATE_DISPLAY_NAME, bar ) ;
                    connection. sendPacket (packet ) ;
                }

                if (bar. setPing (entry. ping ) ) {
                    packet = BarPacketFactory. getPacket (EnumPlayerInfoAction. UPDATE_LATENCY, bar ) ;
                    connection. sendPacket (packet ) ;
                }
            }
        } catch ( Exception e ) {
            Bukkit. getLogger ( ). log (Level. SEVERE, "An error occurred while updating bar " + index + " for player " + player. getName ( ) + "." ) ;
        }
    } ) ;
}
 

package pl.mnekos.tablist ;

import org.bukkit.event.Event ;
import org.bukkit.event.HandlerList ;

public class TablistLoadEvent extends Event {
 
    private static final HandlerList HANDLERS_LIST = new HandlerList ( ) ;

    @Override
    public HandlerList getHandlers ( ) {
        return HANDLERS_LIST ;
    }

    public static HandlerList getHandlerList ( ) {
        return HANDLERS_LIST ;
    }

    private TablistManager manager = null ;

    public TablistLoadEvent ( ) {
        super ( false ) ;
    }

    public void setTablistManager (TablistManager manager ) {
        this. manager = manager ;
    }

    public TablistManager getTablistManager ( ) {
        return manager ;
    }

}