send help ._.

SpigotCore/SpigotCore_14/src/de/steamwar/core/FlatteningWrapper14.java

@@ -232,9 +232,21 @@ public class FlatteningWrapper14 implements FlatteningWrapper.IFlatteningWrapper
         scoreboardName.set(packet, ChatWrapper.impl.stringToChatComponent(title));
     }
 
-    private static final Class<?> scoreActionEnum = Reflection.getClass("{nms.server}.ScoreboardServer$Action");
-    private static final Reflection.FieldAccessor<?> scoreAction = Reflection.getField(FlatteningWrapper.scoreboardScore, scoreActionEnum, 0);
-    private static final Object scoreActionChange = scoreActionEnum.getEnumConstants()[0];
+    private static final Class<?> scoreActionEnum;
+    private static final Reflection.FieldAccessor<?> scoreAction;
+    private static final Object scoreActionChange;
+
+    static {
+        if (Core.getVersion() < 21) {
+            scoreActionEnum = Reflection.getClass("{nms.server}.ScoreboardServer$Action");
+            scoreAction = Reflection.getField(FlatteningWrapper.scoreboardScore, scoreActionEnum, 0);
+            scoreActionChange = scoreActionEnum.getEnumConstants()[0];
+        } else {
+            scoreActionEnum = null;
+            scoreAction = null;
+            scoreActionChange = null;
+        }
+    }
 
     @Override
     public void setScoreAction(Object packet) {

SpigotCore/SpigotCore_21/build.gradle.kts

@@ -30,4 +30,10 @@ dependencies {
             attribute(TargetJvmVersion.TARGET_JVM_VERSION_ATTRIBUTE, 21)
         }
     }
+    compileOnly(libs.nms21) {
+        attributes {
+            // Very Hacky, but it works
+            attribute(TargetJvmVersion.TARGET_JVM_VERSION_ATTRIBUTE, 21)
+        }
+    }
 }

SpigotCore/SpigotCore_21/src/de/steamwar/core/TrickyTrialsWrapper21.java

@@ -17,22 +17,19 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.inventory;
+package de.steamwar.core;
 
 import org.bukkit.enchantments.Enchantment;
-import org.bukkit.inventory.ItemFlag;
+import org.bukkit.entity.EntityType;
 
-import java.util.Collection;
-import java.util.EnumSet;
-
-public class SWItem21 implements SWItem.ISWItem {
+public class TrickyTrialsWrapper21 implements TrickyTrialsWrapper {
     @Override
-    public Collection<ItemFlag> getHideFlags() {
-        return EnumSet.allOf(ItemFlag.class);
+    public EntityType getTntEntityType() {
+        return EntityType.TNT;
     }
 
     @Override
-    public Enchantment getDurabilityEnchantment() {
+    public Enchantment getUnbreakingEnchantment() {
         return Enchantment.UNBREAKING;
     }
 }

SpigotCore/SpigotCore_8/src/de/steamwar/core/FlatteningWrapper8.java

@@ -96,7 +96,7 @@ public class FlatteningWrapper8 implements FlatteningWrapper.IFlatteningWrapper
     private static final Reflection.FieldAccessor<Integer> spawnLivingType = Reflection.getField(ProtocolWrapper.spawnLivingPacket, int.class, 1);
     private static final Map<EntityType, Object> types = new HashMap<>();
     static {
-        types.put(EntityType.PRIMED_TNT, 50);
+        types.put(TrickyTrialsWrapper.impl.getTntEntityType(), 50);
         types.put(EntityType.ARMOR_STAND, 30);
         types.put(EntityType.ARROW, 60);
         types.put(EntityType.FIREBALL, 63);

SpigotCore/SpigotCore_8/src/de/steamwar/core/TrickyTrialsWrapper8.java

@@ -17,29 +17,19 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.inventory;
+package de.steamwar.core;
 
 import org.bukkit.enchantments.Enchantment;
-import org.bukkit.inventory.ItemFlag;
+import org.bukkit.entity.EntityType;
 
-import java.util.Collection;
-import java.util.EnumSet;
-
-public class SWItem8 implements SWItem.ISWItem {
+public class TrickyTrialsWrapper8 implements TrickyTrialsWrapper {
     @Override
-    public Collection<ItemFlag> getHideFlags() {
-        return EnumSet.of(
-                ItemFlag.HIDE_ATTRIBUTES,
-                ItemFlag.HIDE_DESTROYS,
-                ItemFlag.HIDE_UNBREAKABLE,
-                ItemFlag.HIDE_ENCHANTS,
-                ItemFlag.HIDE_PLACED_ON,
-                ItemFlag.HIDE_POTION_EFFECTS
-        );
+    public EntityType getTntEntityType() {
+        return EntityType.PRIMED_TNT;
     }
 
     @Override
-    public Enchantment getDurabilityEnchantment() {
+    public Enchantment getUnbreakingEnchantment() {
         return Enchantment.DURABILITY;
     }
 }

SpigotCore/SpigotCore_Main/src/de/steamwar/core/TrickyTrialsWrapper.java

@@ -0,0 +1,31 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.core;
+
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.EntityType;
+
+public interface TrickyTrialsWrapper {
+    TrickyTrialsWrapper impl = VersionDependent.getVersionImpl(Core.getInstance());
+
+    EntityType getTntEntityType();
+
+    Enchantment getUnbreakingEnchantment();
+}

SpigotCore/SpigotCore_Main/src/de/steamwar/inventory/SWItem.java

@@ -23,6 +23,7 @@ import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
 import de.steamwar.core.Core;
 import de.steamwar.core.FlatteningWrapper;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.core.VersionDependent;
 import org.bukkit.Material;
 import org.bukkit.OfflinePlayer;
@@ -33,12 +34,11 @@ import org.bukkit.inventory.meta.ItemMeta;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.EnumSet;
 import java.util.List;
 
 public class SWItem {
 
-    private static final ISWItem impl = VersionDependent.getVersionImpl(Core.getInstance());
-
     private ItemStack itemStack;
     private ItemMeta itemMeta;
     private InvCallback callback;
@@ -112,7 +112,7 @@ public class SWItem {
 
             itemMeta.setDisplayName(name);
             if (lore != null && !lore.isEmpty()) itemMeta.setLore(lore);
-            if (enchanted) itemMeta.addEnchant(impl.getDurabilityEnchantment() , 10, true);
+            if (enchanted) itemMeta.addEnchant(TrickyTrialsWrapper.impl.getUnbreakingEnchantment(), 10, true);
             itemStack.setItemMeta(itemMeta);
         }
         callback = c;
@@ -149,7 +149,7 @@ public class SWItem {
 
     private void hideAttributes() {
         if (itemMeta == null) return;
-        for (ItemFlag flag : impl.getHideFlags()) {
+        for (ItemFlag flag : EnumSet.allOf(ItemFlag.class)) {
             itemMeta.addItemFlags(flag);
         }
     }
@@ -194,16 +194,10 @@ public class SWItem {
 
     public void setEnchanted(boolean enchanted) {
         if (enchanted){
-            itemMeta.addEnchant(impl.getDurabilityEnchantment() , 10, true);
+            itemMeta.addEnchant(TrickyTrialsWrapper.impl.getUnbreakingEnchantment() , 10, true);
         } else {
-            itemMeta.removeEnchant(impl.getDurabilityEnchantment());
+            itemMeta.removeEnchant(TrickyTrialsWrapper.impl.getUnbreakingEnchantment());
         }
         itemStack.setItemMeta(itemMeta);
     }
-
-    public interface ISWItem {
-        Collection<ItemFlag> getHideFlags();
-
-        Enchantment getDurabilityEnchantment();
-    }
 }