Fixed Prerequisite#HAS_PAPER

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

@@ -26,7 +26,7 @@ public class Prerequisite {
      * Requires the server to be running an implementation of paper.
      */
     public static final Prerequisite HAS_PAPER = new Prerequisite(
-            () -> ClassUtils.exists("com.destroystokyo.paper.event.player.PlayerElytraBoostEvent"),
+            () -> ClassUtils.exists("com.destroystokyo.paper.event.block.BeaconEffectEvent"),
             "Requires server to be running paper (or a fork)"
     );
 

eco-core/core-plugin/build.gradle

@@ -17,7 +17,7 @@ dependencies {
 
     // Included in spigot jar
     compileOnly 'com.google.code.gson:gson:2.8.8'
-    compileOnly 'org.spigotmc:spigot-api:1.17.1-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.17.1-R0.1-SNAPSHOT'
 
     // Plugin dependencies
     compileOnly 'com.comphenix.protocol:ProtocolLib:4.6.1-SNAPSHOT'

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/EcoSpigotPlugin.kt

@@ -63,7 +63,8 @@ import com.willfp.eco.internal.spigot.display.PacketWindowItems
 import com.willfp.eco.internal.spigot.display.frame.clearFrames
 import com.willfp.eco.internal.spigot.drops.CollatedRunnable
 import com.willfp.eco.internal.spigot.eventlisteners.EntityDeathByEntityListeners
-import com.willfp.eco.internal.spigot.eventlisteners.NaturalExpGainListeners
+import com.willfp.eco.internal.spigot.eventlisteners.NaturalExpGainListenersPaper
+import com.willfp.eco.internal.spigot.eventlisteners.NaturalExpGainListenersSpigot
 import com.willfp.eco.internal.spigot.eventlisteners.PlayerJumpListenersPaper
 import com.willfp.eco.internal.spigot.eventlisteners.PlayerJumpListenersSpigot
 import com.willfp.eco.internal.spigot.eventlisteners.armor.ArmorChangeEventListeners
@@ -329,7 +330,6 @@ abstract class EcoSpigotPlugin : EcoPlugin() {
 
     override fun loadListeners(): List<Listener> {
         val listeners = mutableListOf(
-            NaturalExpGainListeners(),
             ArmorListener(),
             EntityDeathByEntityListeners(this),
             CraftingRecipeListener(),
@@ -343,8 +343,10 @@ abstract class EcoSpigotPlugin : EcoPlugin() {
 
         if (Prerequisite.HAS_PAPER.isMet) {
             listeners.add(PlayerJumpListenersPaper())
+            listeners.add(NaturalExpGainListenersPaper())
         } else {
             listeners.add(PlayerJumpListenersSpigot())
+            listeners.add(NaturalExpGainListenersSpigot())
         }
 
         return listeners

eco-core/core-plugin/src/main/kotlin/com/willfp/eco/internal/spigot/eventlisteners/NaturalExpGainListeners.kt

@@ -1,11 +1,28 @@
 package com.willfp.eco.internal.spigot.eventlisteners
 
+import com.willfp.eco.core.events.NaturalExpGainEvent
+import org.bukkit.Bukkit
+import org.bukkit.entity.ThrownExpBottle
 import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.entity.ExpBottleEvent
 import org.bukkit.event.player.PlayerExpChangeEvent
 
-class NaturalExpGainListeners : Listener {
+class NaturalExpGainListenersPaper : Listener {
+    @EventHandler
+    fun onEvent(event: PlayerExpChangeEvent) {
+        val source = event.source
+
+        if (source is ThrownExpBottle) {
+            return
+        }
+
+        val ecoEvent = NaturalExpGainEvent(event)
+        Bukkit.getPluginManager().callEvent(ecoEvent)
+    }
+}
+
+class NaturalExpGainListenersSpigot : Listener {
     private val events: MutableSet<NaturalExpGainBuilder> = HashSet()
 
     @EventHandler

gradle.properties

@@ -1,3 +1,3 @@
-version = 6.35.3
+version = 6.35.4
 plugin-name = eco
 kotlin.code.style = official