Do not continue anvil process if Disenchantment done something.

src/main/kotlin/io/delilaheve/AnvilEventListener.kt

@@ -27,10 +27,12 @@ import org.bukkit.inventory.InventoryView.Property.REPAIR_COST
 import org.bukkit.inventory.ItemStack
 import org.bukkit.inventory.meta.Repairable
 import xyz.alexcrea.cuanvil.config.ConfigHolder
+import xyz.alexcrea.cuanvil.dependency.DependencyManager
 import xyz.alexcrea.cuanvil.dependency.packet.PacketManager
 import xyz.alexcrea.cuanvil.group.ConflictType
 import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe
 import xyz.alexcrea.cuanvil.util.UnitRepairUtil.getRepair
+import xyz.alexcrea.cuanvil.util.XpSetterUtil.setAnvilInvXp
 import java.util.regex.Matcher
 import java.util.regex.Pattern
 import kotlin.math.min
@@ -43,9 +45,9 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
 
     companion object {
         // Anvil's output slot
-        private const val ANVIL_INPUT_LEFT = 0
+        const val ANVIL_INPUT_LEFT = 0
-        private const val ANVIL_INPUT_RIGHT = 1
+        const val ANVIL_INPUT_RIGHT = 1
-        private const val ANVIL_OUTPUT_SLOT = 2
+        const val ANVIL_OUTPUT_SLOT = 2
 
         // static slot container
         private val NO_SLOT = SlotContainer(SlotType.NO_SLOT, 0)
@@ -57,6 +59,9 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
      */
     @EventHandler(priority = HIGHEST)
     fun anvilCombineCheck(event: PrepareAnvilEvent) {
+        // Test if the event should bypass custom anvil.
+        if(DependencyManager.tryEventPreAnvilBypass(event)) return
+
         val inventory = event.inventory
         val first = inventory.getItem(ANVIL_INPUT_LEFT) ?: return
         val second = inventory.getItem(ANVIL_INPUT_RIGHT)
@@ -75,7 +80,7 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
             resultItem.amount *= amount
 
             event.result = resultItem
-            handleAnvilXp(inventory, event, recipe.xpCostPerCraft * amount, true)
+            setAnvilInvXp(inventory, event.view, recipe.xpCostPerCraft * amount, true)
 
             return
         }
@@ -96,7 +101,7 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
 
             anvilCost += calculatePenalty(first, null, resultItem)
 
-            handleAnvilXp(inventory, event, anvilCost)
+            setAnvilInvXp(inventory, event.view, anvilCost)
             return
         }
 
@@ -130,7 +135,7 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
             // Finally, we set result
             event.result = resultItem
 
-            handleAnvilXp(inventory, event, anvilCost)
+            setAnvilInvXp(inventory, event.view, anvilCost)
             return
         }
 
@@ -155,7 +160,7 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
             }
             event.result = resultItem
 
-            handleAnvilXp(inventory, event, anvilCost)
+            setAnvilInvXp(inventory, event.view, anvilCost)
         } else {
             CustomAnvil.log("no anvil fuse type found")
             event.result = null
@@ -282,9 +287,13 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
         val player = event.whoClicked as? Player ?: return
         if (!player.hasPermission(CustomAnvil.affectedByPluginPermission)) return
         val inventory = event.inventory as? AnvilInventory ?: return
+
         if (event.rawSlot != ANVIL_OUTPUT_SLOT) {
             return
         }
+        // Test if the event should bypass custom anvil.
+        if(DependencyManager.tryClickAnvilResultBypass(event, inventory)) return
+
         val output = inventory.getItem(ANVIL_OUTPUT_SLOT) ?: return
         val leftItem = inventory.getItem(ANVIL_INPUT_LEFT) ?: return
         val rightItem = inventory.getItem(ANVIL_INPUT_RIGHT)
@@ -638,58 +647,6 @@ class AnvilEventListener(private val packetManager: PacketManager) : Listener {
     }
 
 
-    /**
-     * Display xp needed for the work on the anvil inventory
-     */
-    private fun handleAnvilXp(
-        inventory: AnvilInventory,
-        event: PrepareAnvilEvent,
-        anvilCost: Int,
-        ignoreRules: Boolean = false
-    ) {
-        // Test repair cost limit
-        val finalAnvilCost = if (
-            !ignoreRules &&
-            !ConfigOptions.doRemoveCostLimit &&
-            ConfigOptions.doCapCost) {
-            min(anvilCost, ConfigOptions.maxAnvilCost)
-        } else {
-            anvilCost
-        }
-
-        /* Because Minecraft likes to have the final say in the repair cost displayed
-            * we need to wait for the event to end before overriding it, this ensures that
-            * we have the final say in the process. */
-        CustomAnvil.instance
-            .server
-            .scheduler
-            .runTask(CustomAnvil.instance, Runnable {
-                inventory.maximumRepairCost =
-                    if (ConfigOptions.doRemoveCostLimit || ignoreRules)
-                { Int.MAX_VALUE }
-                    else
-                { ConfigOptions.maxAnvilCost + 1 }
-
-                val player = event.view.player
-
-                inventory.repairCost = finalAnvilCost
-                event.view.setProperty(REPAIR_COST, finalAnvilCost)
-                player.openInventory.setProperty(REPAIR_COST, finalAnvilCost)
-
-                if(player is Player){
-                    if(player.gameMode != GameMode.CREATIVE ){
-                        val bypassToExpensive = (ConfigOptions.doReplaceTooExpensive) &&
-                                (finalAnvilCost >= 40) &&
-                                finalAnvilCost < inventory.maximumRepairCost
-
-                        packetManager.setInstantBuild(player, bypassToExpensive)
-                    }
-
-                    player.updateInventory()
-                }
-            })
-    }
-
     @EventHandler
     fun onAnvilClose(event: InventoryCloseEvent){
         val player = event.player

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/DependencyManager.kt

@@ -1,6 +1,9 @@
 package xyz.alexcrea.cuanvil.dependency
 
 import org.bukkit.Bukkit
+import org.bukkit.event.inventory.InventoryClickEvent
+import org.bukkit.event.inventory.PrepareAnvilEvent
+import org.bukkit.inventory.AnvilInventory
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.dependency.packet.PacketManager
 import xyz.alexcrea.cuanvil.dependency.packet.PacketManagerSelector
@@ -10,6 +13,7 @@ object DependencyManager {
     lateinit var packetManager: PacketManager
     var enchantmentSquaredCompatibility: EnchantmentSquaredDependency? = null
     var ecoEnchantCompatibility: EcoEnchantDependency? = null
+    var disenchantmentCompatibility: DisenchantmentDependency? = null
 
     fun loadDependency(){
         val pluginManager = Bukkit.getPluginManager()
@@ -30,6 +34,12 @@ object DependencyManager {
             ecoEnchantCompatibility!!.disableAnvilListener()
         }
 
+        // Disenchantment dependency
+        if(pluginManager.isPluginEnabled("Disenchantment")){
+            disenchantmentCompatibility = DisenchantmentDependency()
+            disenchantmentCompatibility!!.redirectListeners()
+        }
+
     }
 
     fun handleCompatibilityConfig() {
@@ -52,4 +62,20 @@ object DependencyManager {
 
     }
 
+    fun tryEventPreAnvilBypass(event: PrepareAnvilEvent): Boolean {
+        var bypass = false
+
+        if(disenchantmentCompatibility?.testPrepareAnvil(event) == true) bypass = true
+
+        return bypass
+    }
+
+    fun tryClickAnvilResultBypass(event: InventoryClickEvent, inventory: AnvilInventory): Boolean {
+        var bypass = false
+
+        if(disenchantmentCompatibility?.testAnvilResult(event, inventory) == true) bypass = true
+
+        return bypass
+    }
+
 }

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/DisenchantmentDependency.kt

@@ -0,0 +1,121 @@
+package xyz.alexcrea.cuanvil.dependency
+
+import cz.kominekjan.disenchantment.events.ItemClickEvent
+import cz.kominekjan.disenchantment.events.ItemEvent
+import cz.kominekjan.disenchantment.events.SplitBookClickEvent
+import cz.kominekjan.disenchantment.events.SplitBookEvent
+import io.delilaheve.AnvilEventListener
+import io.delilaheve.CustomAnvil
+import org.bukkit.event.inventory.InventoryClickEvent
+import org.bukkit.event.inventory.PrepareAnvilEvent
+import org.bukkit.inventory.AnvilInventory
+import org.bukkit.inventory.ItemStack
+import org.bukkit.plugin.RegisteredListener
+import xyz.alexcrea.cuanvil.util.XpSetterUtil
+
+class DisenchantmentDependency {
+
+    init {
+        CustomAnvil.instance.logger.info("Disenchantment Detected !")
+    }
+
+    private lateinit var splitEvent: SplitBookEvent
+    private lateinit var itemEvent: ItemEvent
+
+    private lateinit var splitBookClickEvent: SplitBookClickEvent
+    private lateinit var itemClickEvent: ItemClickEvent
+
+    fun redirectListeners() {
+
+        val toUnregister = ArrayList<RegisteredListener>()
+        // get required PrepareAnvilEvent listener
+        for (registeredListener in PrepareAnvilEvent.getHandlerList().registeredListeners) {
+            val listener = registeredListener.listener
+
+            if(listener is SplitBookEvent){
+                this.splitEvent = listener
+                toUnregister.add(registeredListener)
+            }
+
+            if(listener is ItemEvent){
+                itemEvent = listener
+                toUnregister.add(registeredListener)
+            }
+
+        }
+
+        for (listener in toUnregister) {
+            PrepareAnvilEvent.getHandlerList().unregister(listener)
+        }
+        toUnregister.clear()
+
+        // get required InventoryClickEvent listener
+        for (registeredListener in InventoryClickEvent.getHandlerList().registeredListeners) {
+            val listener = registeredListener.listener
+
+            if(listener is SplitBookClickEvent){
+                splitBookClickEvent = listener
+                toUnregister.add(registeredListener)
+            }
+
+            if(listener is ItemClickEvent){
+                itemClickEvent = listener
+                toUnregister.add(registeredListener)
+            }
+
+        }
+
+        for (listener in toUnregister) {
+            InventoryClickEvent.getHandlerList().unregister(listener)
+        }
+
+    }
+
+    fun testPrepareAnvil(event: PrepareAnvilEvent): Boolean {
+        val previousResult = event.result
+        event.result = null
+
+        // Test if event change the result
+        itemEvent.onDisenchantmentEvent(event)
+
+        if(event.result != null) {
+            CustomAnvil.log("Detected pre anvil item extract bypass.")
+            return true
+        }
+
+        splitEvent.onDisenchantmentEvent(event)
+        if(event.result != null) {
+            CustomAnvil.log("Detected pre anvil split enchant bypass.")
+            return true
+        }
+
+        event.result = previousResult
+        return false
+    }
+
+    fun testAnvilResult(event: InventoryClickEvent, inventory: AnvilInventory): Boolean {
+        val previousResultSlot = inventory.getItem(AnvilEventListener.ANVIL_OUTPUT_SLOT)?.clone()
+
+        // Test event if change the result
+        itemClickEvent.onDisenchantmentClickEvent(event)
+        if(!testAnvilInventoryChange(inventory, previousResultSlot) || event.isCancelled) {
+            CustomAnvil.log("Detected anvil click item extract bypass.")
+            return true
+        }
+
+        splitBookClickEvent.onDisenchantmentClickEvent(event)
+        if(!testAnvilInventoryChange(inventory, previousResultSlot) || event.isCancelled) {
+            CustomAnvil.log("Detected anvil click split enchant bypass.")
+            return true
+        }
+
+        return false
+    }
+
+    private fun testAnvilInventoryChange(inventory: AnvilInventory, previous: ItemStack?): Boolean {
+        val currentResult = inventory.getItem(AnvilEventListener.ANVIL_OUTPUT_SLOT)
+
+        return currentResult == previous
+    }
+
+}

src/main/kotlin/xyz/alexcrea/cuanvil/util/XpSetterUtil.kt

@@ -0,0 +1,67 @@
+package xyz.alexcrea.cuanvil.util
+
+import io.delilaheve.CustomAnvil
+import io.delilaheve.util.ConfigOptions
+import org.bukkit.GameMode
+import org.bukkit.entity.Player
+import org.bukkit.inventory.AnvilInventory
+import org.bukkit.inventory.InventoryView
+import org.bukkit.inventory.InventoryView.Property.REPAIR_COST
+import xyz.alexcrea.cuanvil.dependency.DependencyManager
+import kotlin.math.min
+
+object XpSetterUtil {
+
+    /**
+     * Display xp needed for the work on the anvil inventory
+     */
+    fun setAnvilInvXp(
+        inventory: AnvilInventory,
+        view: InventoryView,
+        anvilCost: Int,
+        ignoreRules: Boolean = false
+    ) {
+        // Test repair cost limit
+        val finalAnvilCost = if (
+            !ignoreRules &&
+            !ConfigOptions.doRemoveCostLimit &&
+            ConfigOptions.doCapCost) {
+            min(anvilCost, ConfigOptions.maxAnvilCost)
+        } else {
+            anvilCost
+        }
+
+        /* Because Minecraft likes to have the final say in the repair cost displayed
+            * we need to wait for the event to end before overriding it, this ensures that
+            * we have the final say in the process. */
+        CustomAnvil.instance
+            .server
+            .scheduler
+            .runTask(CustomAnvil.instance, Runnable {
+                inventory.maximumRepairCost =
+                    if (ConfigOptions.doRemoveCostLimit || ignoreRules)
+                    { Int.MAX_VALUE }
+                    else
+                    { ConfigOptions.maxAnvilCost + 1 }
+
+                val player = view.player
+
+                inventory.repairCost = finalAnvilCost
+                view.setProperty(REPAIR_COST, finalAnvilCost)
+                player.openInventory.setProperty(REPAIR_COST, finalAnvilCost)
+
+                if(player is Player){
+                    if(player.gameMode != GameMode.CREATIVE ){
+                        val bypassToExpensive = (ConfigOptions.doReplaceTooExpensive) &&
+                                (finalAnvilCost >= 40) &&
+                                finalAnvilCost < inventory.maximumRepairCost
+
+                        DependencyManager.packetManager.setInstantBuild(player, bypassToExpensive)
+                    }
+
+                    player.updateInventory()
+                }
+            })
+    }
+
+}

src/main/resources/plugin.yml

@@ -53,6 +53,7 @@ permissions:
 softdepend:
   - UnsafeEnchantsPlus
   - ProtocolLib
+  - Disenchantment
   - EnchantsSquared
   - EcoEnchants
   - eco