Packet refactor

eco-api/src/main/java/com/willfp/eco/core/Eco.java

@@ -26,6 +26,7 @@ import com.willfp.eco.core.gui.slot.SlotBuilder;
 import com.willfp.eco.core.gui.slot.functional.SlotProvider;
 import com.willfp.eco.core.items.TestableItem;
 import com.willfp.eco.core.math.MathContext;
+import com.willfp.eco.core.packet.Packet;
 import com.willfp.eco.core.proxy.ProxyFactory;
 import com.willfp.eco.core.scheduling.Scheduler;
 import net.kyori.adventure.platform.bukkit.BukkitAudiences;
@@ -551,7 +552,16 @@ public interface Eco {
      *
      * @param command The command.
      */
-    void unregisterCommand(@NotNull final PluginCommandBase command);
+    void unregisterCommand(@NotNull PluginCommandBase command);
+
+    /**
+     * Send a packet.
+     *
+     * @param player The player.
+     * @param packet The packet.
+     */
+    void sendPacket(@NotNull Player player,
+                    @NotNull Packet packet);
 
     /**
      * Get the instance of eco; the bridge between the api frontend and the implementation backend.

eco-api/src/main/java/com/willfp/eco/core/packet/Packet.java

@@ -1,5 +1,7 @@
 package com.willfp.eco.core.packet;
 
+import com.willfp.eco.core.Eco;
+import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -8,5 +10,12 @@ import org.jetbrains.annotations.NotNull;
  * @param handle The NMS handle.
  */
 public record Packet(@NotNull Object handle) {
-
+    /**
+     * Send to a player.
+     *
+     * @param player The player.
+     */
+    void send(@NotNull final Player player) {
+        Eco.get().sendPacket(player, this);
+    }
 }

eco-api/src/main/kotlin/com/willfp/eco/core/packet/Packet.kt

@@ -0,0 +1,9 @@
+@file:JvmName("PacketExtensions")
+
+package com.willfp.eco.core.packet
+
+import org.bukkit.entity.Player
+
+/** @see Packet.send */
+fun Player.sendPacket(packet: Packet) =
+    packet.send(this)