send help ._.

BauSystem/BauSystem_21/build.gradle.kts

@@ -0,0 +1,17 @@
+plugins {
+    steamwar.java
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
+}
+
+dependencies {
+    compileOnly(project(":BauSystem:BauSystem_Main", "default"))
+    compileOnly(project(":SpigotCore", "default"))
+
+    compileOnly(libs.paperapi21)
+
+    compileOnly(libs.nms21)
+}

BauSystem/BauSystem_21/src/de/steamwar/bausystem/utils/NMSWrapper21.java

@@ -0,0 +1,151 @@
+/*
+ *   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.bausystem.utils;
+
+import com.comphenix.tinyprotocol.Reflection;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import net.minecraft.core.Holder;
+import net.minecraft.core.component.DataComponents;
+import net.minecraft.core.particles.ParticleParam;
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.network.protocol.game.PacketPlayInSetCreativeSlot;
+import net.minecraft.network.protocol.game.PacketPlayOutExplosion;
+import net.minecraft.network.protocol.game.PacketPlayOutGameStateChange;
+import net.minecraft.world.item.component.CustomData;
+import net.minecraft.world.level.EnumGamemode;
+import net.minecraft.world.level.Explosion;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.craftbukkit.v1_21_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_21_R1.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.List;
+
+public class NMSWrapper21 implements NMSWrapper {
+
+    @Override
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        ((CraftPlayer) player).getHandle().e.a(EnumGamemode.a(gameMode.getValue()));
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
+        int index = packetPlayInSetCreativeSlot.b();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.e()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    private static final Reflection.FieldAccessor<PacketPlayOutGameStateChange.a> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, PacketPlayOutGameStateChange.a.class, 12);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, PacketPlayOutGameStateChange.d);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        ((CraftPlayer) player).getHandle().fZ().d = true;
+        ((CraftPlayer) player).getHandle().fZ().e = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.DIRT_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        net.minecraft.world.item.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
+        NBTTagCompound tag = nmsItem.a(DataComponents.b, CustomData.a).c();
+        if (tag.e("BlockEntityTag")) {
+            NBTTagCompound blockTag = tag.p("BlockEntityTag");
+            if (blockTag.e("Items")) {
+                return drillDown(blockTag.c("Items", 10), 0, 0) > threshold;
+            }
+        }
+
+        return false;
+    }
+
+    private int drillDown(NBTTagList items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (NBTBase nbtBase : items) {
+            if (!(nbtBase instanceof NBTTagCompound slot))
+                continue;
+            if (slot.e("tag")) {
+                invalid += slot.f("Count");
+                NBTTagCompound iTag = slot.p("tag");
+                if (iTag.e("BlockEntityTag")) {
+                    NBTTagCompound blockTag = iTag.p("BlockEntityTag");
+                    if (blockTag.e("Items")) {
+                        invalid = drillDown(blockTag.c("Items", 10), layer + 1, invalid);
+                    }
+                }
+            }
+            if (invalid > threshold)
+                break;
+        }
+        return invalid;
+    }
+
+    private final Class<?> explosionPacket = Reflection.getClass("{nms.network.protocol.game}.PacketPlayOutExplosion");
+    private final Reflection.FieldAccessor<Double> a = Reflection.getField(explosionPacket, double.class, 0);
+    private final Reflection.FieldAccessor<Double> b = Reflection.getField(explosionPacket, double.class, 1);
+    private final Reflection.FieldAccessor<Double> c = Reflection.getField(explosionPacket, double.class, 2);
+    private final Reflection.FieldAccessor<Float> d = Reflection.getField(explosionPacket, float.class, 0);
+    private final Reflection.FieldAccessor<List> e = Reflection.getField(explosionPacket, List.class, 0);
+    private final Reflection.FieldAccessor<Explosion.Effect> f = Reflection.getField(explosionPacket, Explosion.Effect.class, 0);
+    private final Reflection.FieldAccessor<ParticleParam> g = Reflection.getField(explosionPacket, ParticleParam.class, 0);
+    private final Reflection.FieldAccessor<ParticleParam> h = Reflection.getField(explosionPacket, ParticleParam.class, 1);
+    private final Reflection.FieldAccessor<Holder> i = Reflection.getField(explosionPacket, Holder.class, 0);
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
+        return new PacketPlayOutExplosion(
+                a.get(packetPlayOutExplosion),
+                b.get(packetPlayOutExplosion),
+                c.get(packetPlayOutExplosion),
+                d.get(packetPlayOutExplosion),
+                e.get(packetPlayOutExplosion),
+                null,
+                f.get(packetPlayOutExplosion),
+                g.get(packetPlayOutExplosion),
+                h.get(packetPlayOutExplosion),
+                i.get(packetPlayOutExplosion)
+        );
+    }
+}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/loadtimer/LoadtimerListener.java

@@ -20,6 +20,7 @@
 package de.steamwar.bausystem.features.loadtimer;
 
 import de.steamwar.bausystem.region.Region;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.linkage.Linked;
 import org.bukkit.Material;
 import org.bukkit.entity.EntityType;
@@ -57,7 +58,7 @@ public class LoadtimerListener implements Listener {
 
     @EventHandler
     public void onEntitySpawn(EntitySpawnEvent event) {
-        if (!getTimers().isEmpty() && event.getEntityType() == EntityType.PRIMED_TNT) {
+        if (!getTimers().isEmpty() && event.getEntityType() == TrickyTrialsWrapper.impl.getTntEntityType()) {
             Region r = Region.getRegion(event.getLocation());
             if (hasTimer(r)) {
                 getTimer(r).onTntSpawn();
@@ -67,7 +68,7 @@ public class LoadtimerListener implements Listener {
 
     @EventHandler
     public void onEntityExplode(EntityExplodeEvent event) {
-        if (!getTimers().isEmpty() && event.getEntityType() == EntityType.PRIMED_TNT) {
+        if (!getTimers().isEmpty() && event.getEntityType() == TrickyTrialsWrapper.impl.getTntEntityType()) {
             Region r = Region.getRegion(event.getLocation());
             if (hasTimer(r)) {
                 getTimer(r).onTntExplode(event);

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/FreezeListener.java

@@ -6,6 +6,7 @@ import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.region.flags.flagvalues.FreezeMode;
 import de.steamwar.bausystem.utils.ScoreboardElement;
 import de.steamwar.core.Core;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.linkage.Linked;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -31,7 +32,7 @@ public class FreezeListener implements Listener, ScoreboardElement {
             return;
         }
         e.setCancelled(true);
-        if (e.getEntityType() == EntityType.PRIMED_TNT) {
+        if (e.getEntityType() == TrickyTrialsWrapper.impl.getTntEntityType()) {
             Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
                 e.getLocation().getBlock().setType(Material.TNT, false);
             }, 1L);

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java

@@ -28,6 +28,7 @@ import de.steamwar.bausystem.features.tpslimit.TPSUtils;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.utils.RegionExtensionType;
 import de.steamwar.bausystem.region.utils.RegionType;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.linkage.Linked;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
@@ -161,7 +162,7 @@ public class EventListener implements Listener {
 
     @EventHandler(priority = EventPriority.LOWEST)
     public void onEntityExplode(EntityExplodeEvent event) {
-        if (event.getEntityType() != EntityType.PRIMED_TNT) {
+        if (event.getEntityType() != TrickyTrialsWrapper.impl.getTntEntityType()) {
             return;
         }
         Region tntRegion = Region.getRegion(event.getLocation());

BauSystem/build.gradle.kts

@@ -32,4 +32,5 @@ dependencies {
     implementation(project(":BauSystem:BauSystem_18"))
     implementation(project(":BauSystem:BauSystem_19"))
     implementation(project(":BauSystem:BauSystem_20"))
+    implementation(project(":BauSystem:BauSystem_21"))
 }

FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/event/HellsBells.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.fightsystem.event;
 
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.countdown.Countdown;
@@ -97,13 +98,13 @@ public class HellsBells {
 		currentDropping = Bukkit.getScheduler().runTaskTimer(FightSystem.getPlugin(), () -> {
 			for (int w = 0; w < width; w++) {
 				if (direction.isNorthOrWest()) {
-					Config.world.spawnEntity(redStart.addAndToLocation(Config.world, -1 * (direction.dx * length.get() + w * direction.other().dx), 0, -1 * (direction.dz * length.get() + w * direction.other().dz)), EntityType.PRIMED_TNT);
+					Config.world.spawnEntity(redStart.addAndToLocation(Config.world, -1 * (direction.dx * length.get() + w * direction.other().dx), 0, -1 * (direction.dz * length.get() + w * direction.other().dz)), TrickyTrialsWrapper.impl.getTntEntityType());
 
-					Config.world.spawnEntity(blueStart.addAndToLocation(Config.world, direction.dx * length.get() + w * direction.other().dx, 0, direction.dz * length.get() + w * direction.other().dz), EntityType.PRIMED_TNT);
+					Config.world.spawnEntity(blueStart.addAndToLocation(Config.world, direction.dx * length.get() + w * direction.other().dx, 0, direction.dz * length.get() + w * direction.other().dz), TrickyTrialsWrapper.impl.getTntEntityType());
 				} else {
-					Config.world.spawnEntity(redStart.addAndToLocation(Config.world, direction.dx * length.get() + w * direction.other().dx, 0, direction.dz * length.get() + w * direction.other().dz), EntityType.PRIMED_TNT);
+					Config.world.spawnEntity(redStart.addAndToLocation(Config.world, direction.dx * length.get() + w * direction.other().dx, 0, direction.dz * length.get() + w * direction.other().dz), TrickyTrialsWrapper.impl.getTntEntityType());
 
-					Config.world.spawnEntity(blueStart.addAndToLocation(Config.world, -1 * (direction.dx * length.get() + w * direction.other().dx), 0, -1 * (direction.dz * length.get() + w * direction.other().dz)), EntityType.PRIMED_TNT);
+					Config.world.spawnEntity(blueStart.addAndToLocation(Config.world, -1 * (direction.dx * length.get() + w * direction.other().dx), 0, -1 * (direction.dz * length.get() + w * direction.other().dz)), TrickyTrialsWrapper.impl.getTntEntityType());
 				}
 			}
 			if (length.addAndGet(-2) <= 0) {

FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/listener/Recording.java

@@ -21,6 +21,7 @@ package de.steamwar.fightsystem.listener;
 
 import com.comphenix.tinyprotocol.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.events.TeamDeathEvent;
@@ -221,7 +222,7 @@ public class Recording implements Listener {
 
     @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
     public void onTNTSpawn(EntitySpawnEvent e){
-        if(e.getEntityType() != EntityType.PRIMED_TNT)
+        if(e.getEntityType() != TrickyTrialsWrapper.impl.getTntEntityType())
             return;
 
         GlobalRecorder.getInstance().tntSpawn(e.getEntity());
@@ -229,7 +230,7 @@ public class Recording implements Listener {
 
     @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
     public void onExplosion(EntityExplodeEvent e){
-        if(e.getEntityType() != EntityType.PRIMED_TNT)
+        if(e.getEntityType() != TrickyTrialsWrapper.impl.getTntEntityType())
             return;
 
         Location loc = e.getLocation();

FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/listener/WaterRemover.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.fightsystem.listener;
 
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.fight.Fight;
@@ -56,7 +57,7 @@ public class WaterRemover implements Listener {
 
     @EventHandler
     public void handleEntitySpawn(EntitySpawnEvent event) {
-        if(event.getEntityType() != EntityType.PRIMED_TNT)
+        if(event.getEntityType() != TrickyTrialsWrapper.impl.getTntEntityType())
             return;
 
         Location location = event.getLocation();

FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/record/PacketProcessor.java

@@ -21,6 +21,7 @@ package de.steamwar.fightsystem.record;
 
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import de.steamwar.core.Core;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.entity.REntity;
 import de.steamwar.entity.REntityServer;
 import de.steamwar.entity.RPlayer;
@@ -298,7 +299,7 @@ public class PacketProcessor implements Listener {
     private void tntSpawn() throws IOException {
         int entityId = source.readInt();
 
-        execSync(() -> addREntity(entityId, new REntity(entityServer, EntityType.PRIMED_TNT, Config.SpecSpawn)));
+        execSync(() -> addREntity(entityId, new REntity(entityServer, TrickyTrialsWrapper.impl.getTntEntityType(), Config.SpecSpawn)));
     }
 
     private void entityVelocity() throws IOException {

FightSystem/FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionTimeTechKO.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.fightsystem.winconditions;
 
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.fightsystem.countdown.Countdown;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
@@ -70,7 +71,7 @@ public class WinconditionTimeTechKO extends Wincondition implements Listener {
 
     @EventHandler
     public void onSpawn(EntitySpawnEvent e) {
-        if(e.getEntityType() != EntityType.PRIMED_TNT)
+        if(e.getEntityType() != TrickyTrialsWrapper.impl.getTntEntityType())
             return;
 
         Location location = e.getLocation();
@@ -84,7 +85,7 @@ public class WinconditionTimeTechKO extends Wincondition implements Listener {
 
     @EventHandler
     public void onExplode(EntityExplodeEvent e) {
-        if(e.getEntityType() != EntityType.PRIMED_TNT)
+        if(e.getEntityType() != TrickyTrialsWrapper.impl.getTntEntityType())
             return;
 
         FightTeam spawn = spawnLocations.remove(e.getEntity().getEntityId());

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$Action");
+    private static final Class<?> scoreActionEnum;
-    private static final Reflection.FieldAccessor<?> scoreAction = Reflection.getField(FlatteningWrapper.scoreboardScore, scoreActionEnum, 0);
+    private static final Reflection.FieldAccessor<?> scoreAction;
-    private static final Object scoreActionChange = scoreActionEnum.getEnumConstants()[0];
+    private static final Object scoreActionChange;
+
+    static {
+        if (Core.getVersion() < 21) {
+            scoreActionEnum = Reflection.getClass("{nms.server}.ScoreboardServer$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;
+public class TrickyTrialsWrapper21 implements TrickyTrialsWrapper {
-import java.util.EnumSet;
-
-public class SWItem21 implements SWItem.ISWItem {
     @Override
-    public Collection<ItemFlag> getHideFlags() {
+    public EntityType getTntEntityType() {
-        return EnumSet.allOf(ItemFlag.class);
+        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;
+public class TrickyTrialsWrapper8 implements TrickyTrialsWrapper {
-import java.util.EnumSet;
-
-public class SWItem8 implements SWItem.ISWItem {
     @Override
-    public Collection<ItemFlag> getHideFlags() {
+    public EntityType getTntEntityType() {
-        return EnumSet.of(
+        return EntityType.PRIMED_TNT;
-                ItemFlag.HIDE_ATTRIBUTES,
-                ItemFlag.HIDE_DESTROYS,
-                ItemFlag.HIDE_UNBREAKABLE,
-                ItemFlag.HIDE_ENCHANTS,
-                ItemFlag.HIDE_PLACED_ON,
-                ItemFlag.HIDE_POTION_EFFECTS
-        );
     }
 
     @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();
-    }
 }

Teamserver/src/de/steamwar/teamserver/listener/FreezeListener.java

@@ -20,6 +20,7 @@
 package de.steamwar.teamserver.listener;
 
 import de.steamwar.core.Core;
+import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.teamserver.Builder;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.chat.BaseComponent;
@@ -55,7 +56,7 @@ public class FreezeListener implements Listener {
     public void onEntitySpawn(EntitySpawnEvent e) {
         if (!freeze) return;
         e.setCancelled(true);
-        if (e.getEntityType() == EntityType.PRIMED_TNT) {
+        if (e.getEntityType() == TrickyTrialsWrapper.impl.getTntEntityType()) {
             Bukkit.getScheduler().runTaskLater(Builder.getInstance(), () -> {
                 e.getLocation().getBlock().setType(Material.TNT, false);
             }, 1L);

settings.gradle.kts

@@ -130,6 +130,7 @@ dependencyResolutionManagement {
             library("nms18", "de.steamwar:spigot:1.18")
             library("nms19", "de.steamwar:spigot:1.19")
             library("nms20", "de.steamwar:spigot:1.20")
+            library("nms21", "de.steamwar:spigot:1.21")
 
             library("axiom", "de.steamwar:axiompaper:RELEASE")
             library("worldedit12", "de.steamwar:worldedit:1.12")
@@ -173,6 +174,7 @@ include(
     "BauSystem:BauSystem_18",
     "BauSystem:BauSystem_19",
     "BauSystem:BauSystem_20",
+    "BauSystem:BauSystem_21",
     "BauSystem:BauSystem_Main"
 )