Stable release ready? I think

README.md

@@ -1,2 +1,89 @@
 # EntityLib
-A PacketEvents based utility library for generating and working with EntityMeta and other Entity features
+EntityLib is a PacketEvents addon that provides an abstraction over raw entity data and packets to make it easier to work with entities as a whole.
+
+
+## Features
+- Full EntityMeta support
+- Creation of WrapperEntities
+- Keeping track of entities.
+
+
+## Usage
+
+For more realistic examples, please take a look at the `test-plugin` module. It has an example `Bukkit` plugin that uses EntityLib.
+
+### Using the EntityMeta api
+
+```java
+import java.sql.Wrapper;
+
+class Example {
+
+    public static void main(String[] args) {
+        PacketEventsAPI api = ;// create PacketEventsAPI instance
+        EntityLib.init(api); // If failed, it will throw an exception.
+
+        // Making a random entity using packet events raw, i strongly recommend using the EntityLib#createEntity method instead
+        int entityID = 1;
+        WrapperPlayServerSpawnEntity packet = new WrapperPlayServerSpawnEntity(constructor args);
+        EntityMeta meta = EntityLib.createMeta(entityId, EntityType);
+        // You can cast the meta to the correct type depending on the entity type
+        PigMeta pigMeta = (PigMeta) meta;
+
+        // Once you're done modifying the meta accordingly, you can convert it to a packet, and send it to whoever you want for them  to see the changes.
+        WrapperPlayServerEntityMetadata metaPacket = meta.createPacket();
+        User.sendPacket(metaPacket);;
+    }
+
+}
+```
+
+### Creating a WrapperEntity
+
+```java
+import javax.xml.stream.Location;
+
+class Example {
+
+    public static void main(String[] args) {
+        PacketEventsAPI api = ;// create PacketEventsAPI instance
+        EntityLib.init(api); // If failed, it will throw an exception.
+
+        WrapperEntity entity = EntityLib.createEntity(UUID, EntityType);
+        // You can keep track of the entity yourself or store its entityId or uuid and fetch it using EntityLib#getEntity
+
+        // Handling entity interactions if needed
+        // By default EntityLib will ignore interaction packets and not handle them. You can enable this if needed
+        EntityLib.enableEntityInteractions(); // Now we need to create an interaction handler
+        EntityLib.setInteractionProcessor(EntityInteractionProcessor);
+
+
+        // Entities also have access to the EntityMeta api, the EntityMeta api can be used seperately from wrapper entities but also can be used together
+        EntityMeta meta = entity.getEntityMeta();
+        // Depending on the entity type, you can safely cast the meta to the correct type
+        PigMeta meta1 = (PigMeta) meta; // If the entity type is EntityTypes.PIG
+
+        // adding a viewer to the entity can be done before or after spawn, doesnt matter
+        entity.addViewer(User); // UUID also applicable
+        entity.removeViewer(User); // UUID also applicable
+
+        entity.spawn(Location); // Spawns the entity at the given location
+        entity.remove(); // Removes the entity from the world
+        entity.rotateHead(float yaw, float pitch); // Rotates the head of the entity
+        entity.teleport(Location); // Teleports the entity to the given location.
+        
+        // If the entityId provider for WrapperEntities is not working for you or needs changing, you can get it from WrapperEntity#ID_PROVIDER
+        // You can also set it to a custom provider if needed
+        WrapperEntity.ID_PROVIDER = new EntityIdProvider() {
+            @Override
+            public int getEntityId() {
+                return 0;
+            }
+        };
+        
+        // You can also create the EntityLib default provider by calling EntityIdProvider.simple();
+    }
+
+}
+
+```

build.gradle

@@ -36,6 +36,6 @@ allprojects {
 
 
 dependencies {
-    compileOnlyApi("com.github.retrooper.packetevents:spigot:2.0.2")
+    compileOnlyApi("com.github.retrooper.packetevents:spigot:2.1.0")
 }
 

src/main/java/me/tofaa/entitylib/entity/EntityIdProvider.java

@@ -1,4 +1,4 @@
-package me.tofaa.entitylib;
+package me.tofaa.entitylib.entity;
 
 
 import java.util.concurrent.atomic.AtomicInteger;

src/main/java/me/tofaa/entitylib/entity/WrapperEntity.java

@@ -5,9 +5,9 @@ import com.github.retrooper.packetevents.protocol.player.User;
 import com.github.retrooper.packetevents.protocol.world.Location;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerDestroyEntities;
+import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerEntityRotation;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerEntityTeleport;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerSpawnEntity;
-import me.tofaa.entitylib.EntityIdProvider;
 import me.tofaa.entitylib.EntityLib;
 import me.tofaa.entitylib.meta.EntityMeta;
 import org.jetbrains.annotations.NotNull;
@@ -28,6 +28,7 @@ public class WrapperEntity {
     private final Set<UUID> viewers = new HashSet<>();
 
     private Location location;
+    private boolean onGround;
     private boolean spawned;
 
     public WrapperEntity(@NotNull UUID uuid, EntityType entityType, EntityMeta meta) {
@@ -57,6 +58,21 @@ public class WrapperEntity {
         return true;
     }
 
+    public void rotateHead(float yaw, float pitch) {
+        sendPacketToViewers(
+                new WrapperPlayServerEntityRotation(entityId, yaw, pitch, onGround)
+        );
+    }
+
+
+    private static double distance(Location to, Location from) {
+        double x = to.getX() - from.getX();
+        double y = to.getY() - from.getY();
+        double z = to.getZ() - from.getZ();
+        return Math.sqrt(x * x + y * y + z * z);
+    }
+
+
     public void remove() {
         if (!spawned) return;
         spawned = false;
@@ -65,6 +81,7 @@ public class WrapperEntity {
 
     public void teleport(Location location, boolean onGround) {
         this.location = location;
+        this.onGround = onGround;
         sendPacketToViewers(
                 new WrapperPlayServerEntityTeleport(entityId, location, onGround)
         );

src/main/java/me/tofaa/entitylib/meta/EntityMeta.java

@@ -2,7 +2,9 @@ package me.tofaa.entitylib.meta;
 
 import com.github.retrooper.packetevents.manager.server.ServerVersion;
 import com.github.retrooper.packetevents.manager.server.VersionComparison;
+import com.github.retrooper.packetevents.protocol.entity.data.EntityData;
 import com.github.retrooper.packetevents.protocol.entity.data.EntityDataTypes;
+import com.github.retrooper.packetevents.protocol.entity.data.EntityMetadataProvider;
 import com.github.retrooper.packetevents.protocol.entity.pose.EntityPose;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerEntityMetadata;
 import me.tofaa.entitylib.EntityLib;
@@ -10,7 +12,9 @@ import me.tofaa.entitylib.exception.InvalidVersionException;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 
-public class EntityMeta {
+import java.util.List;
+
+public class EntityMeta implements EntityMetadataProvider {
 
     public static final byte OFFSET = 0;
     public static final byte MAX_OFFSET = OFFSET + 8;
@@ -193,4 +197,8 @@ public class EntityMeta {
         setMask((byte)index, mask);
     }
 
+    @Override
+    public List<EntityData> entityData() {
+        return metadata.getEntries();
+    }
 }