Add basic folia support

src/main/java/xyz/alexcrea/cuanvil/api/ConflictAPI.java

@@ -1,11 +1,11 @@
 package xyz.alexcrea.cuanvil.api;
 
 import io.delilaheve.CustomAnvil;
-import org.bukkit.Bukkit;
 import org.bukkit.NamespacedKey;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.dependency.DependencyManager;
 import xyz.alexcrea.cuanvil.group.EnchantConflictGroup;
 import xyz.alexcrea.cuanvil.gui.config.global.EnchantConflictGui;
 
@@ -21,8 +21,8 @@ public class ConflictAPI {
 
     private ConflictAPI() {}
 
-    private static int saveChangeTask = -1;
-    private static int reloadChangeTask = -1;
+    private static Object saveChangeTask = null;
+    private static Object reloadChangeTask = null;
 
     /**
      * Write and add a conflict.
@@ -151,27 +151,27 @@ public class ConflictAPI {
      * Prepare a task to save conflict configuration.
      */
     private static void prepareSaveTask() {
-        if(saveChangeTask != -1) return;
+        if(saveChangeTask != null) return;
 
-        saveChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.CONFLICT_HOLDER.saveToDisk(true);
-            saveChangeTask = -1;
-        }, 0L);
+            saveChangeTask = null;
+        });
     }
 
     /**
      * Prepare a task to reload every conflict.
      */
     private static void prepareUpdateTask() {
-        if(reloadChangeTask != -1) return;
+        if(reloadChangeTask != null) return;
 
-        reloadChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        reloadChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.CONFLICT_HOLDER.reload();
             EnchantConflictGui conflictGui = EnchantConflictGui.getCurrentInstance();
             if(conflictGui != null) conflictGui.reloadValues();
 
-            reloadChangeTask = -1;
-        }, 0L);
+            reloadChangeTask = null;
+        });
 
     }
 

src/main/java/xyz/alexcrea/cuanvil/api/CustomAnvilRecipeApi.java

@@ -1,10 +1,10 @@
 package xyz.alexcrea.cuanvil.api;
 
 import io.delilaheve.CustomAnvil;
-import org.bukkit.Bukkit;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.dependency.DependencyManager;
 import xyz.alexcrea.cuanvil.gui.config.global.CustomRecipeConfigGui;
 import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe;
 
@@ -19,7 +19,7 @@ public class CustomAnvilRecipeApi {
 
     private CustomAnvilRecipeApi(){}
 
-    private static int saveChangeTask = -1;
+    private static Object saveChangeTask = null;
 
     /**
      * Write and add a custom anvil recipe.
@@ -103,12 +103,12 @@ public class CustomAnvilRecipeApi {
      * Prepare a task to save custom recipe configuration.
      */
     private static void prepareSaveTask() {
-        if(saveChangeTask != -1) return;
+        if(saveChangeTask != null) return;
 
-        saveChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.CONFLICT_HOLDER.saveToDisk(true);
-            saveChangeTask = -1;
-        }, 0L);
+            saveChangeTask = null;
+        });
     }
 
     /**

src/main/java/xyz/alexcrea/cuanvil/api/EnchantmentApi.java

@@ -1,13 +1,13 @@
 package xyz.alexcrea.cuanvil.api;
 
 import io.delilaheve.CustomAnvil;
-import org.bukkit.Bukkit;
 import org.bukkit.NamespacedKey;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.enchantments.Enchantment;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.dependency.DependencyManager;
 import xyz.alexcrea.cuanvil.enchant.CAEnchantment;
 import xyz.alexcrea.cuanvil.enchant.CAEnchantmentRegistry;
 import xyz.alexcrea.cuanvil.enchant.EnchantmentRarity;
@@ -26,7 +26,7 @@ import java.util.Map;
 @SuppressWarnings("unused")
 public class EnchantmentApi {
 
-    private static int saveChangeTask = -1;
+    private static Object saveChangeTask = null;
 
     private EnchantmentApi() {}
 
@@ -180,12 +180,12 @@ public class EnchantmentApi {
      * Prepare a task to save custom recipe configuration.
      */
     private static void prepareSaveTask() {
-        if(saveChangeTask != -1) return;
+        if(saveChangeTask != null) return;
 
-        saveChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.DEFAULT_CONFIG.saveToDisk(true);
-            saveChangeTask = -1;
-        }, 0L);
+            saveChangeTask = null;
+        });
     }
 
     /**

src/main/java/xyz/alexcrea/cuanvil/api/MaterialGroupApi.java

@@ -2,12 +2,12 @@ package xyz.alexcrea.cuanvil.api;
 
 import io.delilaheve.CustomAnvil;
 import io.delilaheve.util.ConfigOptions;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.dependency.DependencyManager;
 import xyz.alexcrea.cuanvil.group.AbstractMaterialGroup;
 import xyz.alexcrea.cuanvil.group.ExcludeGroup;
 import xyz.alexcrea.cuanvil.group.IncludeGroup;
@@ -24,8 +24,8 @@ public class MaterialGroupApi {
 
     private MaterialGroupApi(){}
 
-    private static int saveChangeTask = -1;
-    private static int reloadChangeTask = -1;
+    private static Object saveChangeTask = null;
+    private static Object reloadChangeTask = null;
 
 
     /**
@@ -180,28 +180,28 @@ public class MaterialGroupApi {
      * Prepare a task to reload every conflict.
      */
     private static void prepareSaveTask() {
-        if(saveChangeTask != -1) return;
+        if(saveChangeTask != null) return;
 
-        saveChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.ITEM_GROUP_HOLDER.saveToDisk(true);
-            saveChangeTask = -1;
-        }, 0L);
+            saveChangeTask = null;
+        });
     }
 
     /**
      * Prepare a task to save configuration.
      */
     private static void prepareUpdateTask() {
-        if(reloadChangeTask != -1) return;
+        if(reloadChangeTask != null) return;
 
-        reloadChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        reloadChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.ITEM_GROUP_HOLDER.reload();
 
             GroupConfigGui configGui = GroupConfigGui.getCurrentInstance();
             if(configGui != null) configGui.reloadValues();
 
-            reloadChangeTask = -1;
-        }, 0L);
+            reloadChangeTask = null;
+        });
 
     }
 

src/main/java/xyz/alexcrea/cuanvil/api/UnitRepairApi.java

@@ -2,12 +2,12 @@ package xyz.alexcrea.cuanvil.api;
 
 import io.delilaheve.CustomAnvil;
 import kotlin.Triple;
-import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.jetbrains.annotations.NotNull;
 import xyz.alexcrea.cuanvil.config.ConfigHolder;
+import xyz.alexcrea.cuanvil.dependency.DependencyManager;
 import xyz.alexcrea.cuanvil.gui.config.global.UnitRepairConfigGui;
 import xyz.alexcrea.cuanvil.gui.config.list.UnitRepairElementListGui;
 
@@ -23,7 +23,7 @@ public class UnitRepairApi {
 
     private UnitRepairApi(){}
 
-    private static int saveChangeTask = -1;
+    private static Object saveChangeTask = null;
 
     /**
      * Write and add a custom anvil unit repair recipe.
@@ -161,12 +161,12 @@ public class UnitRepairApi {
      * Prepare a task to save custom unit repair recipe configuration.
      */
     private static void prepareSaveTask() {
-        if(saveChangeTask != -1) return;
+        if(saveChangeTask != null) return;
 
-        saveChangeTask = Bukkit.getScheduler().scheduleSyncDelayedTask(CustomAnvil.instance, ()->{
+        saveChangeTask = DependencyManager.scheduler.scheduleGlobally(CustomAnvil.instance, ()->{
             ConfigHolder.UNIT_REPAIR_HOLDER.saveToDisk(true);
-            saveChangeTask = -1;
-        }, 0L);
+            saveChangeTask = null;
+        });
     }
 
     /**

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

@@ -115,7 +115,7 @@ class CustomAnvil : JavaPlugin() {
 
         // Load other thing later.
         // It is so other dependent plugins can implement there event listener before we fire them.
-        Bukkit.getScheduler().scheduleSyncDelayedTask(this, {loadEnchantmentSystem()}, 0L)
+        DependencyManager.scheduler.scheduleGlobally(this, {loadEnchantmentSystem()})
     }
 
     private fun loadEnchantmentSystem(){

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

@@ -7,9 +7,13 @@ 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
+import xyz.alexcrea.cuanvil.dependency.scheduler.BukkitScheduler
+import xyz.alexcrea.cuanvil.dependency.scheduler.PaperScheduler
+import xyz.alexcrea.cuanvil.dependency.scheduler.TaskScheduler
 
 object DependencyManager {
 
+    lateinit var scheduler: TaskScheduler
     lateinit var packetManager: PacketManager
     var enchantmentSquaredCompatibility: EnchantmentSquaredDependency? = null
     var ecoEnchantCompatibility: EcoEnchantDependency? = null
@@ -18,6 +22,11 @@ object DependencyManager {
     fun loadDependency(){
         val pluginManager = Bukkit.getPluginManager()
 
+        // Bukkit or Paper scheduler ?
+        scheduler = if(PaperScheduler.isPaper()) PaperScheduler()
+        else BukkitScheduler()
+
+
         // Packet Manager
         val forceProtocolib = ConfigHolder.DEFAULT_CONFIG.config.getBoolean("force_protocolib", false)
         packetManager = PacketManagerSelector.selectPacketManager(forceProtocolib)

src/main/kotlin/xyz/alexcrea/cuanvil/dependency/scheduler/BukkitScheduler.kt

@@ -0,0 +1,17 @@
+package xyz.alexcrea.cuanvil.dependency.scheduler
+
+import org.bukkit.Bukkit
+import org.bukkit.entity.Entity
+import org.bukkit.plugin.Plugin
+
+class BukkitScheduler : TaskScheduler {
+
+    override fun scheduleGlobally(plugin: Plugin, task: Runnable, time: Long): Any? {
+        return Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, task, time)
+    }
+
+
+    override fun scheduleOnEntity(plugin: Plugin, entity: Entity, task: Runnable, time: Long): Any? {
+        return Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, task, time)
+    }
+}

src/main/kotlin/xyz/alexcrea/cuanvil/listener/ChatEventListener.kt

@@ -1,12 +1,12 @@
 package xyz.alexcrea.cuanvil.listener
 
 import io.delilaheve.CustomAnvil
-import org.bukkit.Bukkit
 import org.bukkit.entity.HumanEntity
 import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.player.AsyncPlayerChatEvent
 import org.bukkit.event.player.PlayerQuitEvent
+import xyz.alexcrea.cuanvil.dependency.DependencyManager
 import java.util.*
 import java.util.concurrent.ConcurrentHashMap
 import java.util.function.Consumer
@@ -39,9 +39,11 @@ class ChatEventListener : Listener {
         event.isCancelled = true
 
         // sync callback with default server thread
-        Bukkit.getScheduler().runTask(CustomAnvil.instance, Runnable {
+        DependencyManager.scheduler.scheduleOnEntity(
+            CustomAnvil.instance, player,
+            Runnable {
             eventCallback.accept(event.message)
-        })
+        }, 0L)
     }
 
 }

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

@@ -38,21 +38,20 @@ object AnvilXpUtil {
             anvilCost
         }
 
+        val player = view.player
+
         /* 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 {
+        DependencyManager.scheduler.scheduleOnEntity(
+            CustomAnvil.instance, player,
+            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)

src/main/resources/plugin.yml

@@ -2,6 +2,7 @@ main: io.delilaheve.CustomAnvil
 name: CustomAnvil
 prefix: "Custom Anvil"
 version: 1.6.0
+folia-supported: true
 description: Allow to customise anvil mechanics
 api-version: 1.16
 load: POSTWORLD