Refactor Authlib integration and adjust entity handling for 1.21 compatibility

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

@@ -19,6 +19,7 @@
 
 package de.steamwar.core;
 
+import com.mojang.authlib.properties.Property;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.EntityType;
@@ -40,4 +41,9 @@ public class TrickyTrialsWrapper8 implements TrickyTrialsWrapper {
     public Material getTurtleScute() {
         return Material.STONE;
     }
+
+    @Override
+    public String getValue(Property property) {
+        return property.getValue();
+    }
 }

SpigotCore/SpigotCore_8/src/de/steamwar/core/authlib/SteamwarGameProfileRepository8.java

@@ -0,0 +1,72 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2025 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.authlib;
+
+import com.mojang.authlib.Agent;
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.GameProfileRepository;
+import com.mojang.authlib.ProfileLookupCallback;
+import de.steamwar.Reflection;
+import de.steamwar.sql.SteamwarUser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SteamwarGameProfileRepository8 extends SteamwarGameProfileRepository {
+
+    private static final GameProfileRepository fallback;
+
+    private static final Object minecraftServer;
+    private static final Reflection.Field<?> gameProfile;
+
+    static {
+        Class<?> minecraftServerClass = Reflection.getClass("net.minecraft.server.MinecraftServer");
+        Class<?> gpr = Reflection.getClass("com.mojang.authlib.GameProfileRepository");
+        gameProfile = Reflection.getField(minecraftServerClass, gpr, 0);
+        minecraftServer = Reflection.getTypedMethod(minecraftServerClass, "getServer", minecraftServerClass).invoke(null);
+        fallback = (GameProfileRepository) gameProfile.get(minecraftServer);
+    }
+
+    @Override
+    public void inject() {
+        gameProfile.set(minecraftServer, this);
+    }
+
+    @Override
+    public void findProfilesByNames(String[] strings, Agent agent, ProfileLookupCallback profileLookupCallback) {
+        if(agent == Agent.SCROLLS) {
+            fallback.findProfilesByNames(strings, agent, profileLookupCallback);
+        } else {
+            List<String> unknownNames = new ArrayList<>();
+            for (String name:strings) {
+                SteamwarUser user = SteamwarUser.get(name);
+                if(user == null) {
+                    unknownNames.add(name);
+                    continue;
+                }
+
+                profileLookupCallback.onProfileLookupSucceeded(new GameProfile(user.getUUID(), user.getUserName()));
+            }
+            if(!unknownNames.isEmpty()) {
+                fallback.findProfilesByNames(unknownNames.toArray(new String[0]), agent, profileLookupCallback);
+            }
+        }
+    }
+}