custom conflict now work.

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

@@ -9,6 +9,7 @@ import io.delilaheve.util.ItemUtil.isBook
 import io.delilaheve.util.ItemUtil.repairCost
 import io.delilaheve.util.ItemUtil.repairFrom
 import io.delilaheve.util.ItemUtil.setEnchantmentsUnsafe
+import org.bukkit.entity.HumanEntity
 import org.bukkit.entity.Player
 import org.bukkit.event.Event
 import org.bukkit.event.EventHandler
@@ -18,6 +19,7 @@ import org.bukkit.event.inventory.InventoryClickEvent
 import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.inventory.AnvilInventory
 import org.bukkit.inventory.InventoryView.Property.REPAIR_COST
+import org.bukkit.inventory.ItemStack
 import org.bukkit.permissions.Permission
 import kotlin.math.min
 
@@ -63,7 +65,17 @@ class AnvilEventListener : Listener {
             if (ConfigOptions.limitRepairCost) {
                 repairCost = min(repairCost, ConfigOptions.limitRepairValue)
             }
-            event.result = resultItem
+
+            // Try to find player
+            val player = event.view.player
+            // Set object only if allowed
+            if(itemAllowed(resultItem,player)){
+                event.result = resultItem
+            } else{
+                event.result = null
+                return
+            }
+
             /* 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. */
@@ -87,16 +99,27 @@ class AnvilEventListener : Listener {
     fun anvilExtractionCheck(event: InventoryClickEvent) {
         val player = event.whoClicked as? Player ?: return
         val inventory = event.inventory as? AnvilInventory ?: return
-        val output = inventory.getItem(ANVIL_OUTPUT_SLOT) ?: return
-        if(!player.hasPermission(bypassPermission)){
-            if (output.findEnchantments().hasConflicts() && !player.hasPermission(requirePermission)) {
-
-
-                return
-            }
-        }
         if (event.rawSlot != ANVIL_OUTPUT_SLOT) { return }
+        val output = inventory.getItem(ANVIL_OUTPUT_SLOT) ?: return
+        // Should be true most of the time
+        // But if permissions change in the anvil it can be false
+        if(!itemAllowed(output,player)){
+            event.result = Event.Result.DENY
+            return
+        }
         event.result = Event.Result.ALLOW
     }
 
+
+    private fun itemAllowed(item: ItemStack, player: HumanEntity): Boolean{
+        if(!player.hasPermission(bypassPermission)){
+            if(player.hasPermission(requirePermission)){
+                if(UnsafeEnchants.conflictManager.isConflicting(item))
+                    return false
+
+            } else if(item.findEnchantments().hasConflicts())
+                return false
+        }
+        return true
+    }
 }

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

@@ -1,9 +1,13 @@
 package io.delilaheve
 
 import io.delilaheve.util.ConfigOptions
+import org.bukkit.Bukkit
 import org.bukkit.configuration.file.YamlConfiguration
 import org.bukkit.plugin.java.JavaPlugin
+import xyz.alexcrea.group.EnchantConflictManager
 import xyz.alexcrea.group.ItemGroupManager
+import java.io.File
+import java.io.FileReader
 
 /**
  * Bukkit/Spigot/Paper plugin to alter enchantment max
@@ -18,11 +22,13 @@ class UnsafeEnchants : JavaPlugin() {
         const val unsafeBypassPermission = "ue.unsafe_all"
         // Item Grouping Configuration file name
         const val itemGroupingConfigName = "item_groups.yml"
+        // Conflict Configuration file name
+        const val enchantConflicConfigName = "enchant_conflict.yml"
 
         // Current plugin instance
         lateinit var instance: UnsafeEnchants
         // Current item grouping configuration instance
-        lateinit var itemGroups: ItemGroupManager
+        lateinit var conflictManager: EnchantConflictManager
 
         /**
          * Logging handler
@@ -41,24 +47,50 @@ class UnsafeEnchants : JavaPlugin() {
         instance = this
         saveDefaultConfig()
 
-        // Save default material grouping config
-        saveResource(itemGroupingConfigName,false)
         // Load material grouping config
-        val itemGroupConfig = YamlConfiguration()
-        val configReader = this.getTextResource(itemGroupingConfigName)
-        if(configReader == null){
-            logger.severe("could no load item grouping configuration")
-        }else{
-            itemGroupConfig.load(configReader)
-        }
+        val itemGroupConfig = reloadResource(itemGroupingConfigName) ?: return
         // Read material groups from config
-        itemGroups = ItemGroupManager()
-        itemGroups.prepareGroups(itemGroupConfig)
+        val itemGroupsManager = ItemGroupManager()
+        itemGroupsManager.prepareGroups(itemGroupConfig)
+
+        // Load enchantment conflicts config
+        val conflictConfig = reloadResource(enchantConflicConfigName) ?: return
+        // Read conflicts from config and material group manager
+        conflictManager = EnchantConflictManager()
+        conflictManager.prepareConflicts(conflictConfig,itemGroupsManager)
 
         server.pluginManager.registerEvents(
             AnvilEventListener(),
             this
         )
+
+    }
+
+    private fun reloadResource(resourceName: String,
+                               hardFailSafe:Boolean = true): YamlConfiguration?{
+        // Save default resource
+        val file = File(dataFolder,resourceName)
+        if(!file.exists()){
+            saveResource(resourceName,false)
+        }
+        // Load resource
+        val yamlConfig = YamlConfiguration()
+        try {
+            val configReader = FileReader(file)
+            yamlConfig.load(configReader)
+        } catch (test: Exception){
+            if(hardFailSafe){
+                // This is important and may impact gameplay if it does not load.
+                // Failsafe is to stop the plugin
+                logger.severe("Resource $resourceName Could not be load or reload.")
+                logger.severe("Disabling plugin.")
+                Bukkit.getPluginManager().disablePlugin(this)
+            }else{
+                logger.warning("Resource $resourceName Could not be load or reload.")
+            }
+            return null
+        }
+        return yamlConfig
     }
 
 }

src/main/kotlin/io/delilaheve/util/EnchantmentUtil.kt

@@ -62,7 +62,7 @@ object EnchantmentUtil {
                 enchantment2.conflictsWith(enchantment1)
             }
             if (hasConflict) {
-                return hasConflict
+                return true
             }
         }
         return false