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https://github.com/megavexnetwork/scoreboard-library

Powerful packet-level scoreboard library for Paper/Spigot servers
https://github.com/megavexnetwork/scoreboard-library

adventure api bukkit java library minecraft objectives packets papermc scoreboard sidebar spigotmc teams

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Powerful packet-level scoreboard library for Paper/Spigot servers

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README 

        
# scoreboard-library



Powerful scoreboard library for Minecraft Paper/Spigot servers using

the [adventure](https://github.com/KyoriPowered/adventure)

component library



Join the [Discord](https://discord.gg/v7nmTDTW8W) or create an issue for support



## Features



- Sidebars. Up to 42 characters (depends on the formatting) for 1.12.2 and below, no limit for newer versions

- Teams. Supports showing different properties (display name, prefix, entries etc.) of the same team to different

  players

- Objectives.

- Full support for new 1.20.4 features (score display names, custom score formats)

- Doesn't require extra dependencies (assuming you're targeting modern versions of Paper)

- Packet-level, meaning it works with other scoreboard plugins

- Supports [Folia](https://github.com/PaperMC/Folia)

- Fully async. All packet work is done asynchronously, so you can use the library from the main

  thread without sacrificing any performance

- Automatically works with `TranslatableComponent`s. All components are translated using `GlobalTranslator` for

  each player's client locale and automatically update whenever the player changes it in their settings



## Available Packet Adapters



- **modern.** Supports 1.17-1.21.1. Can take advantage of [Paper](https://papermc.io)'s native adventure support to be more efficient.

- **PacketEvents.** Supports 1.8+. Requires [PacketEvents 2.0](https://github.com/retrooper/packetevents/tree/2.0) to be shaded or installed as a plugin.

- **1.8.8.**



> [!NOTE]  

> You can add multiple packet adapters, the best one will automatically be picked depending on the server version.



## Installation



See installation instructions [here](https://github.com/MegavexNetwork/scoreboard-library/blob/dev/2.0/INSTALLATION.md)



### Getting started



```java

ScoreboardLibrary scoreboardLibrary;

try {

  scoreboardLibrary = ScoreboardLibrary.loadScoreboardLibrary(plugin);

} catch (NoPacketAdapterAvailableException e) {

  // If no packet adapter was found, you can fallback to the no-op implementation:

  scoreboardLibrary = new NoopScoreboardLibrary();

  plugin.getLogger().warning("No scoreboard packet adapter available!");

}



// On plugin shutdown:

scoreboardLibrary.close();

```



### Thread safety warning (Folia)



`Sidebar`s and `TeamManager`s are not thread safe, so you will need to add some

synchronisation to make sure you're using them from only one thread at a time.



### Sidebar (low-level)



```java

Sidebar sidebar = scoreboardLibrary.createSidebar();



sidebar.title(Component.text("Sidebar Title"));

sidebar.line(0, Component.empty());

sidebar.line(1, Component.text("Line 1"));

sidebar.line(2, Component.text("Line 2"));

sidebar.line(2, Component.empty());

sidebar.line(3, Component.text("epicserver.net"));



sidebar.addPlayer(player); // Add the player to the sidebar



// Don't forget to call sidebar.close() once you don't need it anymore!

```



### Component sidebars



Component sidebars are an abstraction over the low-level `Sidebar`. They allow you to design sidebars in a clean way.

Here's how you create a `SidebarComponent` with a static line:



```java

SidebarComponent staticLine = SidebarComponent.staticLine(Component.text("A static line"));

```



You can chain multiple `SidebarComponent`s together using `SidebarComponent.builder()`:



```java

SidebarComponent lines = SidebarComponent.builder()

  .addComponent(SidebarComponent.staticLine(Component.text("A static line")))

  .addStaticLine(Component.text("Another static line")) // Shorthand for line above

  .build();

```



To use these components, create a `ComponentSidebarLayout`:



```java

ComponentSidebarLayout layout = new ComponentSidebarLayout(

  SidebarComponent.staticLine(Component.text("Sidebar Title")),

  lines

);



Sidebar sidebar = scoreboardLibrary.createSidebar();



// Apply the title & lines components to the Sidebar

// Do this every time the title or any line needs to be updated

layout.apply(sidebar);

```



You can make animations with `SidebarAnimation`:



```java

Component lineComponent = Component.text("Line that changes colors");

Set colors = NamedTextColor.NAMES.values();

List frames = new ArrayList<>(colors.size());

for (NamedTextColor color : colors) {

  frames.add(lineComponent.color(color));

}



SidebarAnimation animation = new CollectionSidebarAnimation<>(frames);

// You can also implement SidebarAnimation yourself



SidebarComponent line = SidebarComponent.animatedLine(animation);



// Advance to the next frame of the animation

animation.nextFrame();

```



Animations can be used for pagination:



```java

Player player = ...;



SidebarComponent firstPage = SidebarComponent.builder()

  .addStaticLine(Component.text("First page"))

  .addDynamicLine(() -> Component.text("Level: " + player.getLevel()))

  .build();



SidebarComponent secondPage = SidebarComponent.builder()

  .addStaticLine(Component.text("Second page"))

  .addDynamicLine(() -> Component.text("Health: " + player.getHealth()))

  .build();



List pages = Arrays.asList(firstPage, secondPage);

SidebarAnimation pageAnimation = new CollectionSidebarAnimation<>(pages);

SidebarComponent paginatedComponent = SidebarComponent.animatedComponent(pageAnimation);



// ...

```



You can also create your own `SidebarComponent`s:



```java

public class KeyValueSidebarComponent implements SidebarComponent {

  private final Component key;

  private final Supplier valueSupplier;



  public KeyValueSidebarComponent(@NotNull Component key, @NotNull Supplier valueSupplier) {

    this.key = key;

    this.valueSupplier = valueSupplier;

  }



  @Override

  public void draw(@NotNull LineDrawable drawable) {

    var value = valueSupplier.get();

    var line = Component.text()

      .append(key)

      .append(Component.text(": "))

      .append(value.colorIfAbsent(NamedTextColor.AQUA))

      .build();



    drawable.drawLine(line);

  }

}

```



Here's a full sidebar example:



```java

public class ExampleComponentSidebar {

  private final Sidebar sidebar;

  private final ComponentSidebarLayout componentSidebar;

  private final SidebarAnimation titleAnimation;



  public ExampleComponentSidebar(@NotNull Plugin plugin, @NotNull Sidebar sidebar) {

    this.sidebar = sidebar;



    this.titleAnimation = createGradientAnimation(Component.text("Sidebar Example", Style.style(TextDecoration.BOLD)));

    var title = SidebarComponent.animatedLine(titleAnimation);



    SimpleDateFormat dtf = new SimpleDateFormat("HH:mm:ss");



    // Custom SidebarComponent, see below for how an implementation might look like

    SidebarComponent onlinePlayers = new KeyValueSidebarComponent(

      Component.text("Online players"),

      () -> Component.text(plugin.getServer().getOnlinePlayers().size())

    );



    SidebarComponent lines = SidebarComponent.builder()

      .addDynamicLine(() -> {

        var time = dtf.format(new Date());

        return Component.text(time, NamedTextColor.GRAY);

      })

      .addBlankLine()

      .addStaticLine(Component.text("A static line"))

      .addComponent(onlinePlayers)

      .addBlankLine()

      .addStaticLine(Component.text("epicserver.net", NamedTextColor.AQUA))

      .build();



    this.componentSidebar = new ComponentSidebarLayout(title, lines);

  }



  // Called every tick

  public void tick() {

    // Advance title animation to the next frame

    titleAnimation.nextFrame();



    // Update sidebar title & lines

    componentSidebar.apply(sidebar);

  }



  private @NotNull SidebarAnimation createGradientAnimation(@NotNull Component text) {

    float step = 1f / 8f;



    TagResolver.Single textPlaceholder = Placeholder.component("text", text);

    List frames = new ArrayList<>((int) (2f / step));



    float phase = -1f;

    while (phase < 1) {

      frames.add(MiniMessage.miniMessage().deserialize("", textPlaceholder));

      phase += step;

    }



    return new CollectionSidebarAnimation<>(frames);

  }

}

```



![Sidebar example](./assets/sidebar.gif)`



### TeamManager



```java

TeamManager teamManager = scoreboardLibrary.createTeamManager();

ScoreboardTeam team = teamManager.createIfAbsent("team_name");



// A TeamDisplay holds all the display properties that a team can have (prefix, suffix etc.).

// You can apply different TeamDisplays for each player so different players can see

// different properties on a single ScoreboardTeam. However if you don't need that you can

// use the default TeamDisplay that is created in every ScoreboardTeam.

TeamDisplay teamDisplay = team.defaultDisplay();

teamDisplay.displayName(Component.text("Team Display Name"));

teamDisplay.prefix(Component.text("[Prefix] "));

teamDisplay.suffix(Component.text(" [Suffix]"));

teamDisplay.playerColor(NamedTextColor.RED);

teamDisplay.addEntry(player.getName());



teamManager.addPlayer(player); // Player will be added to the default TeamDisplay of each ScoreboardTeam



// Create a new TeamDisplay like this:

TeamDisplay newTeamDisplay = team.createDisplay();

newTeamDisplay.displayName(Component.text("Other Team Display Name"));



// Change the TeamDisplay a player sees like this:

team.display(player, newTeamDisplay);



// Don't forget to call teamManager.close() once you don't need it anymore!

```



### ObjectiveManager



```java

ObjectiveManager objectiveManager = scoreboardLibrary.createObjectiveManager();

ScoreboardObjective objective = objectiveManager.create("coolobjective");

objective.value(Component.text("Display name"));

objective.score(player.getName(), 69420);

objectiveManager.display(ObjectiveDisplaySlot.belowName(), objective);



objectiveManager.addPlayer(player); // Make a player see the objectives



// Don't forget to call objectiveManager.close() once you don't need it anymore!

```