Why Use PassengerAPI?

It solves compatibility issues that may arise when different plugins create entities
by sending packets to players and setting them as passengers.
This can lead to conflicts and unintended behavior like unmounting of previous set passengers by other plugins.

For example this makes these plugins automatically compatible with each other:

• Better Chat Bubbles
• ProdigyCape
• VanillaMinimaps
• PlayerMounts

This plugin works out-of-the-box!
Just put it into your plugins folder and restart your server.
(Requires Packet Events)

Showcase

Video explanation
As you can see in the video:

The Chat Bubbles and capes are cannot be set as a passenger at the same time without PassengerAPI!

Reason for this is that they are both two different plugins, which are sending their own passenger packet.

If you are a developer can also add/access/remove passengers using this API!

(Most compatibility problems should automatically be fixed but...)

For example if you want to remove a passenger from an entity, without killing it, this could be usefull.

Commmands:

Permission passengerapi.commands

/passengerapi debug 
/passengerapi reload

Note
When you are in debug mode and holding a block in your hand you will get additional debugging in chat.

Config:

# DO NOT TOUCH ANYTHING IN THIS FILE
# IF YOU ARE NOT 100% SURE WHAT YOU ARE DOING!

AutoPassengerDetection:
  SetPassengerPacket: true
  EntityDestroyPacket: true

Getting Started

1. Add PassengerAPI as a compile-only dependency to your plugin.

Gradle:

repositories {
    mavenCentral()
    maven { url 'https://jitpack.io' }
}

dependencies {
    implementation 'com.github.max1mde:PassengerAPI:1.0.1'
}

(For maven: https://jitpack.io/#max1mde/PassengerAPI/1.0.0)

1. Add the following line to your plugin.yml file:

depend:
- PassengerAPI

Also add the plugin Packet Events to your server which is required by this plugin!

Usage

Obtaining the PassengerActions Instance

To access the PassengerAPI functionality, you need to obtain the PassengerActions instance:

PassengerActions passengerActions = PassengerAPI.getAPI(yourPluginInstance);

Replace yourPluginInstance with the instance of your plugin's main class.
(For example with this if you use it in your main class)

Managing Passengers

Here are some examples of how to use the PassengerActions interface:

Keep in mind that you can only retrive and remove passengers, which you have set here by using the addPassenger... methods.
Except: when using the "global" methods like getGlobalPassengers.

// Add a single passenger
passengerActions.addPassenger(targetEntityId, passengerEntityId);

// Add multiple passengers
passengerActions.addPassengers(targetEntityId, Set.of(passenger1Id, passenger2Id, ...));

// Remove a single passenger
passengerActions.removePassenger(targetEntityId, passengerEntityId);

// Remove multiple passengers
passengerActions.removePassengers(targetEntityId, Set.of(passenger1Id, passenger2Id, ...));

// Remove all passengers for a target entity
passengerActions.removeAllPassengers(targetEntityId);

// Get all passengers for a target entity
Set<Integer> passengers = passengerActions.getPassengers(targetEntityId);

// Remove global passengers (passengers set by all plugins)
passengerActions.removeGlobalPassengers(targetEntityId, Set.of(passenger1Id, passenger2Id, ...));

// Remove all global passengers for a target entity (passengers set by all plugins)
passengerActions.removeAllGlobalPassengers(targetEntityId);

// Get all global passengers for a target entity (passengers set by all plugins)
Set<Integer> globalPassengers = passengerActions.getGlobalPassengers(targetEntityId);

Note
All entities are identified by their entity ID (not UUID).

Listening to events

PassengerAPI also provides events that you can listen to and handle accordingly:

@EventHandler
public void onAddPassenger(AddPassengerEvent event) {
    // The name of the plugin which tries to add these passengers
    String pluginName = event.getPluginName();
    int targetEntity = event.getTargetEntityID();
    Set<Integer> passengers = event.getPassengerList();
    // Perform actions with these properties
}

@EventHandler
public void onRemovePassenger(RemovePassengerEvent event) {
    // The name of the plugin which tries to remove these passengers
    String pluginName = event.getPluginName();
    int targetEntity = event.getTargetEntityID();
    Set<Integer> removedPassengers = event.getPassengerList();
    // Perform actions with these properties
}

@EventHandler
public void onPassengerPacket(PassengerPacketEvent event) {
    int targetEntity = event.getTargetEntityID();
    Set<Integer> passengers = event.getPassengerList();
    // Which players should receive the packet (You can modify that list)
    List<Player> receivers = event.getPacketReceivers();
    // Perform actions with these properties
}

Don't forget to register your event class

Contributions on GitHub are welcome!