Fix VelocityCore

BauSystem/BauSystem_Main/src/BauSystem.properties

@@ -137,7 +137,9 @@ BAU_INFO_ITEM_LORE_FIRE=§7Fire§8: §e{0}
 BAU_INFO_ITEM_LORE_COLOR=§7Color§8: §e{0}
 BAU_INFO_ITEM_LORE_PROTECT=§7Protect§8: §e{0}
 BAU_INFO_ITEM_LORE_ITEMS=§7Items§8: §e{0}
-BAU_INFO_ITEM_LORE_NO_GRAVITY = §8NoGravity§8: §e{0}
+BAU_INFO_ITEM_LORE_NO_GRAVITY = §7NoGravity§8: §e{0}
+BAU_INFO_ITEM_LORE_TESTBLOCK=§7Testblock§8: §e{0}
+BAU_INFO_ITEM_LORE_CHANGED=§7Changed§8: §e{0}
 BAU_INFO_COMMAND_HELP=§8/§ebauinfo §8- §7Information regarding this build server
 BAU_INFO_COMMAND_OWNER=§7Owner§8: §e{0}
 BAU_INFO_COMMAND_MEMBER=§7{0} §8[§7{1}§8]§8: §e{2}

BauSystem/BauSystem_Main/src/BauSystem_de.properties

@@ -119,12 +119,9 @@ BACKUP_LORE=§eKlicken zum Laden
 BAU_COMMAND_HELP_INFO=§8/§ebau info §8- §7Alias für §8/§ebauinfo
 BAU_INFO_ITEM_NAME=§eBau-Management
 ## This is used in BauInfoBauGuiItem.java
-BAU_INFO_ITEM_LORE_TNT=§7TNT§8: §e{0}
-BAU_INFO_ITEM_LORE_FREEZE=§7Freeze§8: §e{0}
-BAU_INFO_ITEM_LORE_DAMAGE=§7Damage§8: §e{0}
 BAU_INFO_ITEM_LORE_FIRE=§7Feuer§8: §e{0}
 BAU_INFO_ITEM_LORE_COLOR=§7Farbe§8: §e{0}
-BAU_INFO_ITEM_LORE_PROTECT=§7Protect§8: §e{0}
+BAU_INFO_ITEM_LORE_CHANGED=§7Verändert§8: §e{0}
 BAU_INFO_COMMAND_HELP=§8/§ebauinfo §8- §7Gibt Informationen über den Bau
 BAU_INFO_COMMAND_OWNER=§7Besitzer§8: §e{0}
 BAU_INFO_COMMAND_MEMBER=§7{0} §8[§7{1}§8]§8: §e{2}

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/BauSystem.java

@@ -38,41 +38,29 @@ import de.steamwar.bausystem.utils.TickListener;
 import de.steamwar.bausystem.utils.TickManager;
 import de.steamwar.bausystem.worlddata.WorldData;
 import de.steamwar.command.AbstractValidator;
-import de.steamwar.command.SWCommand;
 import de.steamwar.command.SWCommandUtils;
 import de.steamwar.core.CRIUSleepEvent;
-import de.steamwar.core.Core;
 import de.steamwar.core.WorldEditRendererCUIEditor;
-import de.steamwar.linkage.LinkedInstance;
-import de.steamwar.linkage.MaxVersion;
-import de.steamwar.linkage.MinVersion;
-import de.steamwar.linkage.PluginCheck;
-import de.steamwar.linkage.api.Disable;
-import de.steamwar.linkage.api.Enable;
+import de.steamwar.linkage.AbstractLinker;
+import de.steamwar.linkage.SpigotLinker;
 import de.steamwar.message.Message;
-import de.steamwar.network.packets.PacketHandler;
 import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.HandlerList;
 import org.bukkit.event.Listener;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.scheduler.BukkitRunnable;
 import org.bukkit.scheduler.BukkitTask;
 
-import java.io.*;
-import java.lang.reflect.Field;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.logging.Level;
-import java.util.stream.Collectors;
 
 public class BauSystem extends JavaPlugin implements Listener {
 
@@ -83,7 +71,7 @@ public class BauSystem extends JavaPlugin implements Listener {
     @Getter
     private static BauSystem instance;
 
-    private final Map<Class<?>, Object> instances = new HashMap<>();
+    private SpigotLinker linker;
 
     @Override
     public void onEnable() {
@@ -96,115 +84,43 @@ public class BauSystem extends JavaPlugin implements Listener {
         SWUtils.setBausystem(instance);
 
         RegionSystem.INSTANCE.load();
-        /*
-        try {
-            PrototypeLoader.load();
-            RegionLoader.load();
-        } catch (SecurityException e) {
-            Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e);
-            Bukkit.shutdown();
-            System.exit(1);
-            return;
-        }
-
-        new Updater(PrototypeLoader.file, PrototypeLoader::load);
-        new Updater(RegionLoader.file, RegionLoader::load);
-         */
 
         SWCommandUtils.addValidator(Player.class, validator(Permission.BUILD));
         SWCommandUtils.addValidator(CommandSender.class, validator(Permission.BUILD));
         SWCommandUtils.addValidator("supervisor", validator(Permission.SUPERVISOR));
         SWCommandUtils.addValidator("owner", validator(Permission.OWNER));
 
-        instances.put(BauServer.class, BauServer.getInstance());
-        List<Class<?>> classes = new BufferedReader(new InputStreamReader(BauSystem.class.getResourceAsStream("/META-INF/annotations/de.steamwar.linkage.Linked")))
-                .lines()
-                .map(s -> {
-                    try {
-                        return Class.forName(s, false, BauSystem.class.getClassLoader());
-                    } catch (ClassNotFoundException | NoClassDefFoundError e) {
-                        if (e.getMessage().equals(s)) {
-                            Bukkit.shutdown();
-                            throw new SecurityException(e.getMessage(), e);
-                        }
-                        return null;
-                    }
-                })
-                .filter(Objects::nonNull)
-                .collect(Collectors.toList());
-        classes.forEach(clazz -> {
-            MinVersion minVersion = clazz.getAnnotation(MinVersion.class);
-            MaxVersion maxVersion = clazz.getAnnotation(MaxVersion.class);
-            PluginCheck[] pluginChecks = clazz.getAnnotationsByType(PluginCheck.class);
-            if (minVersion != null && Core.getVersion() < minVersion.value()) {
-                return;
-            }
-            if (maxVersion != null && Core.getVersion() > maxVersion.value()) {
-                return;
-            }
-            for (PluginCheck pluginCheck : pluginChecks) {
-                if (pluginCheck.has() == PluginCheck.Has.THIS && Bukkit.getPluginManager().getPlugin(pluginCheck.value()) != null) {
-                    continue;
+        linker = new SpigotLinker(BauSystem.getInstance(), BauSystem.MESSAGE) {
+            @Override
+            protected void linkObject(Object any) {
+                super.linkObject(any);
+                if (any instanceof LuaLib) {
+                    SteamWarLuaPlugin.add((LuaLib) any);
                 }
-                if (pluginCheck.has() == PluginCheck.Has.NOT && Bukkit.getPluginManager().getPlugin(pluginCheck.value()) == null) {
-                    continue;
+                if (any instanceof ScoreboardElement) {
+                    BauScoreboard.addElement((ScoreboardElement) any);
                 }
-                return;
-            }
-
-            Object any;
-            try {
-                any = clazz.newInstance();
-            } catch (InstantiationException | IllegalAccessException e) {
-                getLogger().log(Level.SEVERE, e.getMessage(), e);
-                Bukkit.shutdown();
-                throw new SecurityException(e.getMessage());
-            }
-
-            instances.put(clazz, any);
-            if (any instanceof Enable) {
-                ((Enable) any).enable();
-            }
-            if (any instanceof SWCommand) {
-                ((SWCommand) any).setMessage(BauSystem.MESSAGE);
-            }
-            if (any instanceof Listener) {
-                Bukkit.getPluginManager().registerEvents((Listener) any, BauSystem.getInstance());
-            }
-            if (any instanceof PacketHandler) {
-                ((PacketHandler) any).register();
-            }
-            if (any instanceof LuaLib) {
-                SteamWarLuaPlugin.add((LuaLib) any);
-            }
-            if (any instanceof ScoreboardElement) {
-                BauScoreboard.addElement((ScoreboardElement) any);
-            }
-            if (any instanceof BauGuiItem) {
-                BauGUI.addItem((BauGuiItem) any);
-            }
-            if (any instanceof PanzernAlgorithm) {
-                Panzern.add((PanzernAlgorithm) any);
-            }
-            if (any instanceof ConfigConverter) {
-                Config.addConfigConverter((ConfigConverter) any);
-            }
-            if (any instanceof BoundingBoxLoader) {
-                ((BoundingBoxLoader) any).load();
-            }
-        });
-
-        instances.forEach((clazz, o) -> {
-            for (Field field : clazz.getFields()) {
-                if (field.getAnnotation(LinkedInstance.class) != null) {
-                    try {
-                        field.set(o, instances.get(field.getType()));
-                    } catch (IllegalAccessException e) {
-                        throw new RuntimeException(e);
-                    }
+                if (any instanceof BauGuiItem) {
+                    BauGUI.addItem((BauGuiItem) any);
+                }
+                if (any instanceof PanzernAlgorithm) {
+                    Panzern.add((PanzernAlgorithm) any);
+                }
+                if (any instanceof ConfigConverter) {
+                    Config.addConfigConverter((ConfigConverter) any);
+                }
+                if (any instanceof BoundingBoxLoader) {
+                    ((BoundingBoxLoader) any).load();
                 }
             }
-        });
+        };
+        try {
+            linker.addLinkableInstance(BauServer.getInstance());
+            linker.link();
+        } catch (AbstractLinker.LinkException e) {
+            getLogger().log(Level.SEVERE, "Could not link a class.", e);
+            Bukkit.shutdown();
+        }
 
         TickListener.impl.init();
 
@@ -221,15 +137,7 @@ public class BauSystem extends JavaPlugin implements Listener {
 
     @Override
     public void onDisable() {
-        instances.forEach((aClass, o) -> {
-            if (o instanceof Listener) {
-                HandlerList.unregisterAll((Listener) o);
-            }
-            if (o instanceof Disable) {
-                ((Disable) o).disable();
-            }
-        });
-
+        linker.unlink();
         WorldData.write();
         RegionSystem.INSTANCE.save();
         Config.getInstance().saveAll();

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/backup/BackupCommand.java

@@ -110,14 +110,14 @@ public class BackupCommand extends SWCommand {
         }
         SWListInv<RegionBackups.Backup> swListInv = new SWListInv<>(p, BauSystem.MESSAGE.parse("BACKUP_INV_NAME", p), swListEntries, (clickType, s) -> {
             p.getOpenInventory().close();
-            p.performCommand("backup load " + s);
+            backupLoad(p, s);
         });
         swListInv.open();
     }
 
     @Mapper(value = "backup", local = true)
     public TypeMapper<RegionBackups.Backup> backupMapper() {
-        return new TypeMapper<RegionBackups.Backup>() {
+        return new TypeMapper<>() {
             @Override
             public RegionBackups.Backup map(CommandSender commandSender, String[] previousArguments, String s) {
                 return Region.getRegion(((Player) commandSender).getLocation()).getBackups().get(s);

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/bau/BauInfoBauGuiItem.java

@@ -26,7 +26,6 @@ import de.steamwar.bausystem.linkage.specific.BauGuiItem;
 import de.steamwar.bausystem.region.FlagOptional;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.flags.Flag;
-import de.steamwar.core.Core;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.linkage.Linked;
 import de.steamwar.sql.SteamwarUser;

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

@@ -23,7 +23,6 @@ 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;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockPlaceEvent;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/rayvisualizer/RayVisualizerCommand.java

@@ -30,6 +30,7 @@ import de.steamwar.entity.REntityServer;
 import de.steamwar.linkage.Linked;
 import de.steamwar.linkage.MinVersion;
 import org.bukkit.*;
+import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.TNTPrimed;
 import org.bukkit.event.EventHandler;
@@ -38,15 +39,15 @@ import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.util.RayTraceResult;
 
-import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
 
 @Linked
 @MinVersion(20)
 public class RayVisualizerCommand extends SWCommand implements Listener {
 
+    private BlockData VISIBLE = Material.LIME_CONCRETE.createBlockData();
+    private BlockData BLOCKED = Material.RED_CONCRETE.createBlockData();
+
     private class CRayData {
         private CRay[] rays = new CRay[27 * 400];
         private boolean[] used = new boolean[27 * 400];
@@ -108,28 +109,23 @@ public class RayVisualizerCommand extends SWCommand implements Listener {
 
         Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {
             if (server.getPlayers().isEmpty()) return;
-            Map<Integer, List<TNTPrimed>> primedList = WORLD.getEntitiesByClass(TNTPrimed.class)
-                    .stream()
-                    .collect(Collectors.groupingBy(TNTPrimed::getFuseTicks));
+            List<TNTPrimed> primedList = WORLD.getEntitiesByClass(TNTPrimed.class)
+                    .stream().toList();
             rayData.reset();
             if (primedList.isEmpty()) return;
-
-            List<Integer> fuseTicks = primedList.keySet().stream().sorted().collect(Collectors.toList());
-            List<TNTPrimed> current = new ArrayList<>();
-            for (int i = 0; i < fuseTicks.size(); i++) {
-                List<TNTPrimed> tnts = primedList.get(fuseTicks.get(i));
-                calculateRays(current, tnts);
-                current.addAll(tnts);
-            }
+            calculateRays(primedList, primedList);
         }, 1, 1);
     }
 
     private void calculateRays(List<TNTPrimed> fromTNTs, List<TNTPrimed> toTNTs) {
-        for (TNTPrimed from : fromTNTs) {
-            if (!from.isInWater()) continue;
-            for (TNTPrimed to : toTNTs) {
+        for (TNTPrimed to : toTNTs) {
+            int hitting = 0;
+            int total = 0;
+            for (TNTPrimed from : fromTNTs) {
                 if (from == to) continue;
+                if (from.getFuseTicks() >= to.getFuseTicks()) continue;
                 if (to.getLocation().distanceSquared(from.getLocation()) > 25) continue;
+                if (!from.isInWater()) continue;
 
                 Location fromLoc = from.getLocation();
                 Location toLoc = to.getLocation().clone().add(-0.49, 0, -0.49);
@@ -143,16 +139,29 @@ public class RayVisualizerCommand extends SWCommand implements Listener {
                         for (int dz = 0; dz < 3; dz++) {
                             Location end = toLoc.clone().add(minX + dx * spacing, 0 + dy * spacing, minZ + dz * spacing);
                             RayTraceResult result = fromLoc.getWorld().rayTraceBlocks(fromLoc, end.clone().subtract(fromLoc).toVector(), end.distance(fromLoc), FluidCollisionMode.NEVER, true);
-                            if (result != null && result.getHitBlock() != null) {
-                                continue;
-                            }
                             CRay cRay = rayData.get(fromLoc, end);
                             if (cRay == null) continue;
                             cRay.setFrom(fromLoc);
                             cRay.setTo(end);
+                            if (result != null && result.getHitBlock() != null) {
+                                cRay.setBlock(BLOCKED);
+                            } else {
+                                cRay.setBlock(VISIBLE);
+                                hitting++;
+                            }
                         }
                     }
                 }
+                total += 27;
+            }
+
+            if (total == 0) {
+                to.setCustomNameVisible(false);
+            } else {
+                int remainder = hitting % 27;
+                int whole = hitting / 27;
+                to.setCustomNameVisible(true);
+                to.setCustomName("§e" + whole + " " + remainder + "/27");
             }
         }
     }

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

@@ -25,8 +25,6 @@ import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.RegionUtils;
 import de.steamwar.bausystem.region.flags.ColorMode;
 import de.steamwar.bausystem.region.flags.Flag;
-import de.steamwar.bausystem.region.utils.RegionExtensionType;
-import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.bausystem.utils.PasteBuilder;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeValidator;

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

@@ -103,7 +103,7 @@ public class RegionCommand extends SWCommand {
             PasteBuilder pasteBuilder = new PasteBuilder(new PasteBuilder.FileProvider(region.getArea().getResetFile()))
                     .ignoreAir(true)
                     .color(region.getFlags().get(Flag.COLOR).getWithDefault());
-            region.getArea().reset(pasteBuilder, true);
+            region.getArea().reset(pasteBuilder, false);
             RegionUtils.message(region, "REGION_REGION_RESTORED");
         } catch (SecurityException e) {
             BauSystem.MESSAGE.send("REGION_REGION_FAILED_RESTORE", p);
@@ -125,7 +125,7 @@ public class RegionCommand extends SWCommand {
             PasteBuilder pasteBuilder = new PasteBuilder(new PasteBuilder.SchematicProvider(node))
                     .ignoreAir(true)
                     .color(region.getFlags().get(Flag.COLOR).getWithDefault());
-            region.getArea().reset(pasteBuilder, true);
+            region.getArea().reset(pasteBuilder, false);
             RegionUtils.message(region, "REGION_REGION_RESTORED");
         } catch (SecurityException e) {
             BauSystem.MESSAGE.send("REGION_REGION_FAILED_RESTORE", p);

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

@@ -181,13 +181,7 @@ public class RegionListener implements Listener {
         }
     }
 
-
     private static void tagChangedRegion(final Location location) {
-        new BukkitRunnable() {
-            @Override
-            public void run() {
-                Region.getRegion(location).getFlags().set(Flag.CHANGED, ChangedMode.HAS_CHANGE);
-            }
-        }.runTaskAsynchronously(BauSystem.getInstance());
+        Region.getRegion(location).getFlags().set(Flag.CHANGED, ChangedMode.HAS_CHANGE);
     }
 }

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

@@ -23,12 +23,9 @@ import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.utils.ScoreboardElement;
 import de.steamwar.linkage.Linked;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
-import java.io.File;
 import java.util.List;
-import java.util.Optional;
 
 @Linked
 public class RegionScoreboardElement implements ScoreboardElement {

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

@@ -25,7 +25,6 @@ import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.RegionUtils;
 import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.bausystem.region.utils.RegionExtensionType;
-import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.bausystem.utils.PasteBuilder;
 import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;

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

@@ -25,8 +25,6 @@ import de.steamwar.bausystem.features.script.ScriptRunner;
 import de.steamwar.bausystem.features.script.lua.SteamWarGlobalLuaPlugin;
 import de.steamwar.bausystem.features.script.lua.libs.StorageLib;
 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;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/script/lua/libs/RegionLib.java

@@ -29,6 +29,7 @@ import org.luaj.vm2.LuaTable;
 import org.luaj.vm2.LuaValue;
 import org.luaj.vm2.lib.OneArgFunction;
 
+import java.util.List;
 import java.util.UUID;
 import java.util.function.Supplier;
 
@@ -46,11 +47,15 @@ public class RegionLib implements LuaLib {
         table.set("name", getter(() -> region.get().getID().toString()));
         table.set("id", getter(() -> region.get().getID().toString()));
         table.set("type", getter(() -> {
-            Region region1 = region.get();
-            if (region1.getType().isGlobal()) {
+            Region rg = region.get();
+            if (rg.getType().isGlobal()) {
                 return "global";
             }
-            return region1.getType().name().toLowerCase();
+            List<String> chatNames = rg.getGameModeConfig().getServer().getChatNames();
+            if (chatNames.isEmpty()) {
+                return "unknown";
+            }
+            return chatNames.get(0).toLowerCase();
         }));
 
         LuaValue tntLib = LuaValue.tableOf();

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/simulator/data/tnt/TNTPhase.java

@@ -23,6 +23,7 @@ import de.steamwar.bausystem.features.simulator.data.SimulatorPhase;
 import de.steamwar.bausystem.features.simulator.execute.SimulatorAction;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.flags.Flag;
+import de.steamwar.bausystem.region.flags.FreezeMode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
@@ -64,7 +65,7 @@ public final class TNTPhase extends SimulatorPhase {
             @Override
             public void accept(World world) {
                 Location location = position.toLocation(world);
-                if (Region.getRegion(location).getFlags().get(Flag.FREEZE).isPresent()) return;
+                if (Region.getRegion(location).getFlags().get(Flag.FREEZE).isWithDefault(FreezeMode.ACTIVE)) return;
                 TNTPrimed tnt = world.spawn(location, TNTPrimed.class);
                 if (!xJump) tnt.setVelocity(tnt.getVelocity().setX(0));
                 if (!yJump) tnt.setVelocity(tnt.getVelocity().setY(0));

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/techhider/TechHiderCommand.java

@@ -34,16 +34,12 @@ import de.steamwar.linkage.LinkedInstance;
 import de.steamwar.techhider.TechHider;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.Bukkit;
-import org.bukkit.Material;
 import org.bukkit.command.CommandSender;
-import org.bukkit.configuration.file.FileConfiguration;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerQuitEvent;
 
-import java.io.File;
 import java.util.*;
 import java.util.stream.Collectors;
 

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/TraceRepository.java

@@ -31,9 +31,19 @@ public class TraceRepository {
     public static Trace readTrace(File recordsFile) {
         @Cleanup
         ObjectInputStream reader = new ObjectInputStream(new GZIPInputStream(new FileInputStream(recordsFile)));
-        UUID uuid = UUID.fromString(reader.readUTF());
-        Region region = RegionSystem.INSTANCE.getRegion(UUID.fromString(reader.readUTF())).orElse(null);
-        if (region == null) return null;
+        UUID uuid;
+        try {
+            uuid = UUID.fromString(reader.readUTF());
+        } catch (IllegalArgumentException e) {
+            return null;
+        }
+        Region region;
+        try {
+            region = RegionSystem.INSTANCE.getRegion(UUID.fromString(reader.readUTF())).orElse(null);
+            if (region == null) return null;
+        } catch (IllegalArgumentException e) {
+            return null;
+        }
         Date date = (Date) reader.readObject();
         int serialisationVersion = reader.readInt();
         if (serialisationVersion != SERIALISATION_VERSION) {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java

@@ -55,13 +55,12 @@ public class PistonCalculator implements Listener {
     public void onPlayerInteract(PlayerInteractEvent event) {
         if (!Permission.BUILD.hasPermission(event.getPlayer())) return;
         if (event.getAction() != Action.RIGHT_CLICK_BLOCK) return;
-        if (event.getItem() == null) {}
-        else if (event.getItem() != null && event.getItem().getType() == Material.SLIME_BALL) {}
-        else if (!event.getItem().getType().isBlock()) {
+        if (event.getItem() == null) {
+        } else if (event.getItem() != null && event.getItem().getType() == Material.SLIME_BALL) {
+        } else if (!event.getItem().getType().isBlock()) {
             DEBOUNCE.put(event.getPlayer(), System.currentTimeMillis());
             return;
-        }
-        else return;
+        } else return;
         if (event.getClickedBlock() == null) return;
         Block clickedBlock = event.getClickedBlock();
         Material blockType = clickedBlock.getType();
@@ -92,6 +91,7 @@ public class PistonCalculator implements Listener {
 
     @EventHandler
     public void onBlockPistonExtend(BlockPistonExtendEvent event) {
+        if (pistOrders.isEmpty()) return;
         Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
             movePistOrders(event.getDirection(), event.getBlocks());
             pistOrders.values().forEach(PistOrder::calculate);
@@ -100,6 +100,7 @@ public class PistonCalculator implements Listener {
 
     @EventHandler
     public void onBlockPistonRetract(BlockPistonRetractEvent event) {
+        if (pistOrders.isEmpty()) return;
         Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
             movePistOrders(event.getDirection(), event.getBlocks());
             pistOrders.values().forEach(PistOrder::calculate);
@@ -122,6 +123,7 @@ public class PistonCalculator implements Listener {
 
     @EventHandler
     public void onBlockPlace(BlockPlaceEvent event) {
+        if (pistOrders.isEmpty()) return;
         Bukkit.getScheduler().runTaskLater(BauSystem.getInstance(), () -> {
             pistOrders.values().forEach(PistOrder::calculate);
         }, 1);
@@ -129,6 +131,7 @@ public class PistonCalculator implements Listener {
 
     @EventHandler
     public void onBlockBreak(BlockBreakEvent event) {
+        if (pistOrders.isEmpty()) return;
         if (pistOrders.containsKey(event.getBlock().getLocation())) {
             PistOrder pistOrder = pistOrders.remove(event.getBlock().getLocation());
             pistOrder.server.close();
@@ -276,7 +279,8 @@ public class PistonCalculator implements Listener {
                     immovableBlocks.add(block.getLocation());
                     return;
                 }
-                if (facing != direction && (block.equals(origin) || block.getRelative(facing.getOppositeFace()).equals(origin))) return;
+                if (facing != direction && (block.equals(origin) || block.getRelative(facing.getOppositeFace()).equals(origin)))
+                    return;
                 if (!movedBlocks.contains(block.getLocation())) toCalc.add(block);
             }
         }
@@ -372,12 +376,4 @@ public class PistonCalculator implements Listener {
                 return false;
         }
     }
-
-    private boolean isPiston(Block block) {
-        BlockData blockData = block.getBlockData();
-        if (blockData instanceof Piston) {
-            return !((Piston) blockData).isExtended();
-        }
-        return false;
-    }
 }

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/items/NightVisionBauGuiItem.java

@@ -28,7 +28,6 @@ import de.steamwar.linkage.Linked;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.ClickType;
-import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.PotionMeta;
 import org.bukkit.potion.PotionEffectType;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/SelectAdjacent.java

@@ -21,6 +21,7 @@ package de.steamwar.bausystem.features.worldedit;
 
 import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.region.Point;
+import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.utils.FlatteningWrapper;
 import de.steamwar.core.WorldEditRenderer;
 import de.steamwar.linkage.Linked;
@@ -76,10 +77,10 @@ public class SelectAdjacent implements Listener {
     public void onPlayerInteract(PlayerInteractEvent event) {
         if (!event.hasItem()) return;
         if (event.getItem().getType() != Material.WOODEN_AXE) return;
-        if (!event.getPlayer().isSneaking()) return;
-        if (event.getAction() != Action.LEFT_CLICK_BLOCK) return;
         Selector selector = selectors.get(event.getPlayer());
         if (selector != null) selector.cancel();
+        if (!event.getPlayer().isSneaking()) return;
+        if (event.getAction() != Action.LEFT_CLICK_BLOCK) return;
         Material material = event.getPlayer().getInventory().getItemInOffHand().getType();
         if (material.isAir()) {
             selector = new Selector(event.getClickedBlock(), event.getPlayer(), __ -> true);
@@ -111,6 +112,8 @@ public class SelectAdjacent implements Listener {
         private Set<Location> seen = new HashSet<>();
         private Set<Location> toCalc = new HashSet<>();
 
+        private Region.Area area;
+
         public Selector(Block block, Player player, Predicate<Material> predicate) {
             this.predicate = predicate;
             toCalc.add(block.getLocation());
@@ -121,6 +124,16 @@ public class SelectAdjacent implements Listener {
             maxY = block.getY();
             maxZ = block.getZ();
 
+            Region region = Region.getRegion(block.getLocation());
+            area = Region.Area.EMPTY;
+            if (region.getBuildArea().inRegion(block.getLocation(), true)) {
+                area = region.getBuildArea();
+            } else if (region.getTestblockArea().inRegion(block.getLocation(), true)) {
+                area = region.getTestblockArea();
+            } else if (region.getArea().inRegion(block.getLocation(), true)) {
+                area = region.getArea();
+            }
+
             bukkitTask = Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {
                 run();
 
@@ -158,6 +171,7 @@ public class SelectAdjacent implements Listener {
                 if (block.isEmpty() || block.isLiquid()) continue;
                 if (!predicate.test(block.getType())) continue;
                 seen.add(location);
+                if (!area.inRegion(block.getLocation(), true)) continue;
 
                 minX = Math.min(minX, location.getBlockX());
                 maxX = Math.max(maxX, location.getBlockX());

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/BackupScheduler.java

@@ -23,7 +23,7 @@ public class BackupScheduler implements Enable {
             public void run() {
                 Iterator<Region> regionsToBackup = RegionSystem.INSTANCE.getRegions()
                         .filter(region -> region.getFlags().has(Flag.CHANGED).isReadable())
-                        .filter(region -> region.getFlags().get(Flag.CHANGED).get() == ChangedMode.HAS_CHANGE)
+                        .filter(region -> region.getFlags().get(Flag.CHANGED).getWithDefault() == ChangedMode.HAS_CHANGE)
                         .iterator();
                 if (!regionsToBackup.hasNext()) return;
                 doBackup(regionsToBackup);

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/FlagStorage.java

@@ -29,6 +29,9 @@ public interface FlagStorage {
     @NonNull
     <T extends Enum<T> & Flag.Value<T>> RegionFlagPolicy has(@NonNull Flag<T> flag);
 
+    /**
+     * Returns true if the flag was changed and did not already contain the provided value
+     */
     <T extends Enum<T> & Flag.Value<T>> boolean set(@NonNull Flag<T> flag, @NonNull T value);
 
     @NonNull

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/GameModeConfig.java

@@ -121,7 +121,7 @@ public class GameModeConfig {
         private void load(ConfigurationSection section) {
             Active = section.getBoolean("Active", false);
             ObfuscateWith = Material.getMaterial(section.getString("ObfuscateWith", "END_STONE"));
-            HiddenBlocks = section.getStringList("HiddenBlocks").stream().map(FlatteningWrapper.impl::getMaterial).filter(Objects::nonNull).collect(Collectors.toUnmodifiableSet());
+            HiddenBlocks = section.getStringList("HiddenBlocks").stream().map(String::toUpperCase).map(FlatteningWrapper.impl::getMaterial).filter(Objects::nonNull).collect(Collectors.toUnmodifiableSet());
             HiddenBlockEntities = Collections.unmodifiableSet(new HashSet<>(section.getStringList("HiddenBlockEntities")));
         }
     }

BauSystem/BauSystem_RegionFixed/src/de/steamwar/bausystem/region/fixed/FixedFlagStorage.java

@@ -66,9 +66,12 @@ public class FixedFlagStorage implements FlagStorage {
     @Override
     public <T extends Enum<T> & Flag.Value<T>> boolean set(@NonNull Flag<T> flag, @NonNull T value) {
         if (has(flag).isWritable()) {
-            data.put(flag.name(), value.name());
-            WorldData.write();
-            return flagMap.put(flag, value) != value;
+            boolean hasChanged = flagMap.put(flag, value) != value;
+            if (hasChanged) {
+                data.put(flag.name(), value.name());
+                WorldData.write();
+            }
+            return hasChanged;
         } else {
             return false;
         }

BauSystem/BauSystem_RegionFixed/src/de/steamwar/bausystem/region/fixed/FixedRegion.java

@@ -114,7 +114,7 @@ public class FixedRegion implements Region {
         private final File file;
 
         public BackupImpl(File file) {
-            super(RegionBackups.BackupType.AUTOMATIC, file.getName().replace(' ', '_'), flagStorage);
+            super(RegionBackups.BackupType.AUTOMATIC, file.getName().replace(' ', '_').replace(".schem", ""), flagStorage);
             this.file = file;
         }
 
@@ -253,12 +253,10 @@ public class FixedRegion implements Region {
             Point maxPointTestblockExtension = maxPointTestblock.add(prototype.getTestblock().getExtensionPositiveX(), prototype.getTestblock().getExtensionPositiveY(), prototype.getTestblock().getExtensionPositiveZ());
 
             Point copyPoint;
-            if (!prototype.getTestblock().isHasCopyPoint() && (prototype.getCopyPointOffsetX() != 0 || prototype.getCopyPointOffsetY() != 0 || prototype.getCopyPointOffsetZ() != 0)) {
-                copyPoint = minPoint.add(prototype.getCopyPointOffsetX(), prototype.getCopyPointOffsetY(), prototype.getCopyPointOffsetZ());
-            } else if (prototype.getTestblock().getCopyOffsetX() != 0 || prototype.getTestblock().getCopyOffsetY() != 0 || prototype.getTestblock().getCopyOffsetZ() != 0) {
+            if (prototype.getTestblock().getCopyOffsetX() != 0 || prototype.getTestblock().getCopyOffsetY() != 0 || prototype.getTestblock().getCopyOffsetZ() != 0) {
                 copyPoint = minPointTestblock.add(prototype.getTestblock().getCopyOffsetX(), prototype.getTestblock().getCopyOffsetY(), prototype.getTestblock().getCopyOffsetZ());
             } else {
-                copyPoint = minPointTestblock.add(prototype.getTestblock().getSizeX() / 2, 0, prototype.getTestblock().getSizeZ());
+                copyPoint = minPointTestblock.add(prototype.getTestblock().getSizeX() / 2, 0, -1);
             }
 
             testblock = new Area() {

CommonCore/Linkage/build.gradle.kts

@@ -0,0 +1,26 @@
+/*
+ *   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/>.
+ */
+
+plugins {
+    steamwar.java
+}
+
+dependencies {
+    compileOnly(libs.classindex)
+}

CommonCore/Linkage/src/de/steamwar/linkage/AbstractLinker.java

@@ -0,0 +1,163 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  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.linkage;
+
+import de.steamwar.linkage.api.Disable;
+import de.steamwar.linkage.api.Enable;
+import lombok.NonNull;
+import lombok.experimental.StandardException;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public abstract class AbstractLinker<T> {
+
+    protected final T plugin;
+    private Map<Class<?>, Object> instances = new HashMap<>();
+
+    protected AbstractLinker(@NonNull T plugin) {
+        this.plugin = plugin;
+        instances.put(plugin.getClass(), plugin);
+    }
+
+    @StandardException
+    public static class LinkException extends Exception {
+    }
+
+    public final void link() throws LinkException {
+        List<Class<?>> classes;
+        try {
+            classes = new BufferedReader(new InputStreamReader(plugin.getClass().getResourceAsStream("/META-INF/annotations/de.steamwar.linkage.Linked")))
+                    .lines()
+                    .map(s -> {
+                        try {
+                            return Class.forName(s, false, plugin.getClass().getClassLoader());
+                        } catch (ClassNotFoundException | NoClassDefFoundError e) {
+                            throw new SecurityException(e.getMessage(), e);
+                        }
+                    })
+                    .filter(Objects::nonNull)
+                    .collect(Collectors.toList());
+        } catch (SecurityException e) {
+            Throwable cause = e.getCause();
+            throw new LinkException(cause.getMessage(), cause);
+        }
+
+        try {
+            classes.forEach(clazz -> {
+                MinVersion minVersion = clazz.getAnnotation(MinVersion.class);
+                MaxVersion maxVersion = clazz.getAnnotation(MaxVersion.class);
+                if (!versionCheck(clazz, minVersion, maxVersion)) return;
+                EventMode eventMode = clazz.getAnnotation(EventMode.class);
+                if (!eventModeCheck(clazz, eventMode)) return;
+                PluginCheck[] pluginChecks = clazz.getAnnotationsByType(PluginCheck.class);
+                for (PluginCheck pluginCheck : pluginChecks) {
+                    if (!pluginCheck(clazz, pluginCheck)) return;
+                }
+
+                Object any;
+                try {
+                    any = clazz.newInstance();
+                } catch (InstantiationException | IllegalAccessException e) {
+                    throw new SecurityException(e.getMessage(), e);
+                }
+                instances.put(clazz, any);
+
+                if (any instanceof Enable) {
+                    ((Enable) any).enable();
+                }
+                linkObject(any);
+            });
+        } catch (SecurityException e) {
+            Throwable cause = e.getCause();
+            throw new LinkException(cause.getMessage(), cause);
+        }
+
+        try {
+            instances.forEach((clazz, o) -> {
+                for (Field field : clazz.getFields()) {
+                    if (field.getAnnotation(LinkedInstance.class) != null) {
+                        System.out.println("Setting " + field.getName() + " to " + instances.get(field.getType()));
+                        try {
+                            field.set(o, instances.get(field.getType()));
+                        } catch (IllegalAccessException e) {
+                            throw new SecurityException(e.getMessage(), e);
+                        }
+                    }
+                }
+            });
+        } catch (SecurityException e) {
+            Throwable cause = e.getCause();
+            throw new LinkException(cause.getMessage(), cause);
+        }
+    }
+
+    public final void unlink() {
+        instances.forEach((aClass, any) -> {
+            unlinkObject(any);
+            if (any instanceof Disable) {
+                ((Disable) any).disable();
+            }
+        });
+    }
+
+    public final void addLinkableInstance(@NonNull Object instance) {
+        instances.put(instance.getClass(), instance);
+    }
+
+    /**
+     * @return {@code true} if the clazz passes the checks {@code false} otherwise
+     */
+    protected boolean versionCheck(@NonNull Class<?> clazz, MinVersion minVersion, MaxVersion maxVersion) {
+        return true;
+    }
+
+    /**
+     * @return {@code true} if the clazz passes the checks {@code false} otherwise
+     */
+    protected boolean pluginCheck(@NonNull Class<?> clazz, PluginCheck pluginCheck) {
+        return true;
+    }
+
+    /**
+     * @return {@code true} if the clazz passes the checks {@code false} otherwise
+     */
+    protected boolean eventModeCheck(@NonNull Class<?> clazz, EventMode eventMode) {
+        return true;
+    }
+
+    /**
+     * There is no need in calling {@link Enable#enable()} by this method.
+     */
+    protected void linkObject(Object any) {
+    }
+
+    /**
+     * There is no need in calling {@link Disable#disable()} ()} by this method.
+     */
+    protected void unlinkObject(Object any) {
+    }
+}

CommonCore/Linkage/src/de/steamwar/linkage/EventMode.java

@@ -1,7 +1,7 @@
 /*
  * This file is a part of the SteamWar software.
  *
- * Copyright (C) 2021  SteamWar.de-Serverteam
+ * Copyright (C) 2020  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
@@ -17,21 +17,15 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.bausystem.linkage.specific;
+package de.steamwar.linkage;
 
-import de.steamwar.bausystem.region.Region;
-import org.bukkit.entity.Player;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
-public interface ScoreboardItem {
-
-    /**
-     * Returns one Scoreboard line. If {@code null} result will be ignored.
-     * If return value contains {@code '?'} it will be replaced to the color
-     * code of the current {@link Region}.
-     *
-     * @param player the player to create the scoreboard line for
-     * @param region the region the player is in
-     * @return the String to send, can be {@code null}
-     */
-    String getString(Player player, Region region);
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE})
+public @interface EventMode {
+    boolean value();
 }

CommonCore/build.gradle.kts

@@ -25,4 +25,5 @@ dependencies {
     api(project(":CommonCore:SQL"))
     api(project(":CommonCore:Network"))
     api(project(":CommonCore:Data"))
+    api(project(":CommonCore:Linkage"))
 }

SpigotCore/SpigotCore_20/src/de/steamwar/core/WorldEditRendererWrapper20.java

@@ -87,9 +87,7 @@ public class WorldEditRendererWrapper20 implements WorldEditRendererWrapper {
             box = new CWireframe(server);
             boxPair.set(clipboard, box);
         }
-        box.setPos1(null).setPos2(null);
-        box.setPos1(pos1.toLocation(player.getWorld()));
-        box.setPos2(pos2.toLocation(player.getWorld()));
+        box.setPos1And2(pos1.toLocation(player.getWorld()), pos2.toLocation(player.getWorld()));
         box.setWidth(width);
         box.setBlock(block);
     }

SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CLine.java

@@ -59,6 +59,14 @@ public class CLine extends CEntity {
         return this;
     }
 
+    public CLine setFromAndTo(Location from, Location to) {
+        if (Objects.equals(from, this.from) && Objects.equals(to, this.to)) return this;
+        this.from = from;
+        this.to = to;
+        tick();
+        return this;
+    }
+
     public CLine setFrom(Location from) {
         return checkAndSet(this.from, from, location -> this.from = location);
     }
@@ -99,7 +107,16 @@ public class CLine extends CEntity {
 
     @Override
     void tick() {
-        if (from == null || to == null) return;
+        if (from == null || to == null) {
+            if (startLine != null) startLine.hide(true);
+            if (middleLine != null) middleLine.hide(true);
+            if (endLine != null) endLine.hide(true);
+            return;
+        } else {
+            if (startLine != null) startLine.hide(false);
+            if (middleLine != null) middleLine.hide(false);
+            if (endLine != null) endLine.hide(false);
+        }
         if (hide) return;
         updateStart();
         updateMiddle();

SpigotCore/SpigotCore_Main/src/de/steamwar/entity/CWireframe.java

@@ -22,11 +22,9 @@ package de.steamwar.entity;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.block.data.BlockData;
-import org.bukkit.util.Consumer;
 import org.bukkit.util.Vector;
 
 import java.util.List;
-import java.util.Objects;
 
 /**
  * Compound Box (12 CLine)
@@ -46,6 +44,13 @@ public class CWireframe extends CEntity {
         }
     }
 
+    public CWireframe setPos1And2(Location pos1, Location pos2) {
+        this.pos1 = pos1;
+        this.pos2 = pos2;
+        updateAndSpawnLines();
+        return this;
+    }
+
     public CWireframe setPos1(Location pos1) {
         this.pos1 = pos1;
         updateAndSpawnLines();
@@ -75,29 +80,30 @@ public class CWireframe extends CEntity {
     }
 
     private void updateAndSpawnLines() {
-        if (pos1 == null || pos2 == null) return;
+        List<CLine> lines = getEntitiesByType(CLine.class);
+        if (pos1 == null || pos2 == null) {
+            lines.forEach(line -> line.setFrom(null).setTo(null));
+            return;
+        }
 
         World world = pos1.getWorld();
         Vector min = Vector.getMinimum(pos1.toVector(), pos2.toVector());
         Vector max = Vector.getMaximum(pos1.toVector(), pos2.toVector())
                 .add(new Vector(1 - width, 1 - width, 1 - width));
 
-        List<CLine> lines = getEntitiesByType(CLine.class);
-        lines.forEach(line -> line.setFrom(null).setTo(null));
+        lines.get(0).setFromAndTo(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world), new Vector(max.getX() + width, min.getY(), min.getZ()).toLocation(world));
+        lines.get(1).setFromAndTo(new Vector(min.getX(), max.getY(), min.getZ()).toLocation(world), new Vector(max.getX() + width, max.getY(), min.getZ()).toLocation(world));
+        lines.get(2).setFromAndTo(new Vector(min.getX(), min.getY(), max.getZ()).toLocation(world), new Vector(max.getX() + width, min.getY(), max.getZ()).toLocation(world));
+        lines.get(3).setFromAndTo(new Vector(min.getX(), max.getY(), max.getZ()).toLocation(world), new Vector(max.getX() + width, max.getY(), max.getZ()).toLocation(world));
 
-        lines.get(0).setFrom(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, min.getY(), min.getZ()).toLocation(world));
-        lines.get(1).setFrom(new Vector(min.getX(), max.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, max.getY(), min.getZ()).toLocation(world));
-        lines.get(2).setFrom(new Vector(min.getX(), min.getY(), max.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, min.getY(), max.getZ()).toLocation(world));
-        lines.get(3).setFrom(new Vector(min.getX(), max.getY(), max.getZ()).toLocation(world)).setTo(new Vector(max.getX() + width, max.getY(), max.getZ()).toLocation(world));
+        lines.get(4).setFromAndTo(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world), new Vector(min.getX(), max.getY() + width, min.getZ()).toLocation(world));
+        lines.get(5).setFromAndTo(new Vector(max.getX(), min.getY(), min.getZ()).toLocation(world), new Vector(max.getX(), max.getY() + width, min.getZ()).toLocation(world));
+        lines.get(6).setFromAndTo(new Vector(min.getX(), min.getY(), max.getZ()).toLocation(world), new Vector(min.getX(), max.getY() + width, max.getZ()).toLocation(world));
+        lines.get(7).setFromAndTo(new Vector(max.getX(), min.getY(), max.getZ()).toLocation(world), new Vector(max.getX(), max.getY() + width, max.getZ()).toLocation(world));
 
-        lines.get(4).setFrom(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(min.getX(), max.getY() + width, min.getZ()).toLocation(world));
-        lines.get(5).setFrom(new Vector(max.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX(), max.getY() + width, min.getZ()).toLocation(world));
-        lines.get(6).setFrom(new Vector(min.getX(), min.getY(), max.getZ()).toLocation(world)).setTo(new Vector(min.getX(), max.getY() + width, max.getZ()).toLocation(world));
-        lines.get(7).setFrom(new Vector(max.getX(), min.getY(), max.getZ()).toLocation(world)).setTo(new Vector(max.getX(), max.getY() + width, max.getZ()).toLocation(world));
-
-        lines.get(8).setFrom(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(min.getX(), min.getY(), max.getZ() + width).toLocation(world));
-        lines.get(9).setFrom(new Vector(max.getX(), min.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX(), min.getY(), max.getZ() + width).toLocation(world));
-        lines.get(10).setFrom(new Vector(min.getX(), max.getY(), min.getZ()).toLocation(world)).setTo(new Vector(min.getX(), max.getY(), max.getZ() + width).toLocation(world));
-        lines.get(11).setFrom(new Vector(max.getX(), max.getY(), min.getZ()).toLocation(world)).setTo(new Vector(max.getX(), max.getY(), max.getZ() + width).toLocation(world));
+        lines.get(8).setFromAndTo(new Vector(min.getX(), min.getY(), min.getZ()).toLocation(world), new Vector(min.getX(), min.getY(), max.getZ() + width).toLocation(world));
+        lines.get(9).setFromAndTo(new Vector(max.getX(), min.getY(), min.getZ()).toLocation(world), new Vector(max.getX(), min.getY(), max.getZ() + width).toLocation(world));
+        lines.get(10).setFromAndTo(new Vector(min.getX(), max.getY(), min.getZ()).toLocation(world), new Vector(min.getX(), max.getY(), max.getZ() + width).toLocation(world));
+        lines.get(11).setFromAndTo(new Vector(max.getX(), max.getY(), min.getZ()).toLocation(world), new Vector(max.getX(), max.getY(), max.getZ() + width).toLocation(world));
     }
 }

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

@@ -21,6 +21,7 @@ package de.steamwar.inventory;
 
 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 org.bukkit.Material;
@@ -216,8 +217,10 @@ public class SWItem {
     }
 
     public SWItem setCustomModelData(int customModelData) {
-        itemMeta.setCustomModelData(customModelData);
-        itemStack.setItemMeta(itemMeta);
+        if (Core.getVersion() > 12) {
+            itemMeta.setCustomModelData(customModelData);
+            itemStack.setItemMeta(itemMeta);
+        }
         return this;
     }
 

SpigotCore/SpigotCore_Main/src/de/steamwar/linkage/SpigotLinker.java

@@ -0,0 +1,82 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  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.linkage;
+
+import de.steamwar.command.SWCommand;
+import de.steamwar.core.Core;
+import de.steamwar.message.Message;
+import de.steamwar.network.packets.PacketHandler;
+import lombok.NonNull;
+import org.bukkit.Bukkit;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.Listener;
+import org.bukkit.plugin.java.JavaPlugin;
+
+public class SpigotLinker extends AbstractLinker<JavaPlugin> {
+
+    private final Message message;
+
+    public SpigotLinker(@NonNull JavaPlugin plugin, Message message) {
+        super(plugin);
+        this.message = message;
+    }
+
+    @Override
+    protected boolean versionCheck(@NonNull Class<?> clazz, MinVersion minVersion, MaxVersion maxVersion) {
+        if (minVersion != null && Core.getVersion() < minVersion.value()) {
+            return false;
+        }
+        if (maxVersion != null && Core.getVersion() > maxVersion.value()) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    protected boolean pluginCheck(@NonNull Class<?> clazz, PluginCheck pluginCheck) {
+        if (pluginCheck.has() == PluginCheck.Has.THIS && Bukkit.getPluginManager().getPlugin(pluginCheck.value()) != null) {
+            return true;
+        }
+        if (pluginCheck.has() == PluginCheck.Has.NOT && Bukkit.getPluginManager().getPlugin(pluginCheck.value()) == null) {
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    protected void linkObject(Object any) {
+        if (any instanceof SWCommand) {
+            ((SWCommand) any).setMessage(message);
+        }
+        if (any instanceof Listener) {
+            Bukkit.getPluginManager().registerEvents((Listener) any, plugin);
+        }
+        if (any instanceof PacketHandler) {
+            ((PacketHandler) any).register();
+        }
+    }
+
+    @Override
+    protected void unlinkObject(Object any) {
+        if (any instanceof Listener) {
+            HandlerList.unregisterAll((Listener) any);
+        }
+    }
+}

VelocityCore/build.gradle.kts

@@ -32,6 +32,9 @@ java {
 }
 
 dependencies {
+    compileOnly(libs.classindex)
+    annotationProcessor(libs.classindex)
+
     annotationProcessor(libs.velocityapi)
     compileOnly(libs.velocity)
     compileOnly(libs.viaapi)

VelocityCore/src/de/steamwar/velocitycore/Broadcaster.java

@@ -19,17 +19,21 @@
 
 package de.steamwar.velocitycore;
 
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
-class Broadcaster {
+@Linked
+@EventMode(false)
+public class Broadcaster {
 
     private final List<String> broadcasts = VelocityCore.get().getConfig().getBroadcasts();
     private int lastBroadCast = 0;
 
-    Broadcaster() {
+    public Broadcaster() {
         if(!broadcasts.isEmpty())
             VelocityCore.schedule(this::broadcast).repeat(10, TimeUnit.MINUTES).schedule();
     }

VelocityCore/src/de/steamwar/velocitycore/EventStarter.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.persistent.Subserver;
@@ -36,6 +37,7 @@ import java.util.concurrent.TimeUnit;
 
 import static de.steamwar.persistent.Storage.eventServer;
 
+@Linked
 public class EventStarter {
 
     @Getter

VelocityCore/src/de/steamwar/velocitycore/VelocityCore.java

@@ -29,22 +29,24 @@ import com.velocitypowered.api.plugin.annotation.DataDirectory;
 import com.velocitypowered.api.proxy.ProxyServer;
 import com.velocitypowered.api.scheduler.Scheduler;
 import de.steamwar.command.*;
+import de.steamwar.linkage.AbstractLinker;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.LinkedInstance;
 import de.steamwar.messages.Chatter;
-import de.steamwar.network.packets.PacketHandler;
 import de.steamwar.persistent.ReloadablePlugin;
 import de.steamwar.sql.Punishment;
 import de.steamwar.sql.SteamwarUser;
 import de.steamwar.sql.Team;
 import de.steamwar.sql.UserElo;
 import de.steamwar.sql.internal.Statement;
-import de.steamwar.velocitycore.commands.*;
+import de.steamwar.velocitycore.commands.PunishmentCommand;
+import de.steamwar.velocitycore.commands.ServerSwitchCommand;
+import de.steamwar.velocitycore.commands.TeamCommand;
 import de.steamwar.velocitycore.discord.DiscordBot;
 import de.steamwar.velocitycore.discord.DiscordConfig;
-import de.steamwar.velocitycore.listeners.*;
-import de.steamwar.velocitycore.mods.*;
-import de.steamwar.velocitycore.network.handlers.*;
-import de.steamwar.velocitycore.tablist.TablistManager;
+import de.steamwar.velocitycore.listeners.PollSystem;
 import lombok.Getter;
+import lombok.NonNull;
 
 import java.nio.file.Path;
 import java.sql.Driver;
@@ -94,9 +96,9 @@ public class VelocityCore implements ReloadablePlugin {
     @Getter
     private Config config;
     private ErrorLogger errorLogger;
-    private TablistManager tablistManager;
 
     @Getter
+    @LinkedInstance
     private TeamCommand teamCommand;
 
     @Inject
@@ -104,9 +106,10 @@ public class VelocityCore implements ReloadablePlugin {
         this.proxyServer = proxyServer;
         this.logger = logger;
         this.dataDirectory = dataDirectory;
-
     }
 
+    private AbstractLinker<ReloadablePlugin> linker;
+
     @Subscribe
     @Override
     public void onProxyInitialization(ProxyInitializeEvent event) {
@@ -139,64 +142,11 @@ public class VelocityCore implements ReloadablePlugin {
         initStaticServers();
         PollSystem.init();
 
-        new Hostname();
-        new PluginMessage();
-        new Schematica();
-        new Badlion();
-        new FabricModSender();
-        new ReplayMod();
-        new FML2();
-
-        new ConnectionListener();
-        new ChatListener();
-        new BanListener();
-        new CheckListener();
-        new IPSanitizer();
-        new VersionAnnouncer();
-        new TexturePackSystem();
-
         local = new Node.LocalNode();
         if(MAIN_SERVER) {
             //new Node.RemoteNode("lx");
         }
 
-        new TeamchatCommand();
-        new MsgCommand();
-        new RCommand();
-        new PingCommand();
-        new AlertCommand();
-        new KickCommand();
-        new JoinmeCommand();
-        new TpCommand();
-        HelpCommand helpCommand = new HelpCommand();
-        teamCommand = new TeamCommand();
-        new ServerTeamchatCommand();
-        new DevCommand();
-        new SendCommand();
-        new EventCommand();
-        new EventreloadCommand();
-        new EventRescheduleCommand();
-        new PollCommand();
-        new BugCommand();
-        new WhoisCommand();
-        new RulesCommand();
-        new IgnoreCommand();
-        new UnIgnoreCommand();
-        new PollresultCommand();
-        new ListCommand();
-        new StatCommand();
-        new VerifyCommand();
-        new GDPRQuery();
-        new PlaytimeCommand();
-        new ArenaCommand();
-        new RankCommand();
-        new LocalCommand();
-        new SetLocaleCommand();
-        new BuilderCloudCommand();
-        new CheckCommand();
-
-        new ModCommand();
-
         // Punishment Commands:
         new PunishmentCommand("ban", Punishment.PunishmentType.Ban);
         new PunishmentCommand("mute", Punishment.PunishmentType.Mute);
@@ -208,32 +158,20 @@ public class VelocityCore implements ReloadablePlugin {
         new PunishmentCommand("noteamserver", Punishment.PunishmentType.NoTeamServer);
         new PunishmentCommand("note", Punishment.PunishmentType.Note);
 
-        if(!config.isEventmode()){
-            new BauCommand(helpCommand);
-            new WebpasswordCommand();
-            new FightCommand();
-            new ChallengeCommand();
-            new HistoricCommand();
-            new ReplayCommand();
-
-            new Broadcaster();
-            new CookieEvents();
-            new StreamingCommand();
-        }else{
-            new EventModeListener();
+        linker = new AbstractLinker<>(this) {
+            @Override
+            protected boolean eventModeCheck(@NonNull Class<?> clazz, EventMode eventMode) {
+                return eventMode == null || eventMode.value() == config.isEventmode();
+            }
+        };
+        try {
+            linker.link();
+        } catch (AbstractLinker.LinkException e) {
+            logger.log(Level.SEVERE, e.getMessage(), e);
+            getProxy().shutdown();
+            return;
         }
 
-        for(PacketHandler handler : new PacketHandler[] {
-                new EloPlayerHandler(), new EloSchemHandler(), new ExecuteCommandHandler(), new FightInfoHandler(),
-                new ImALobbyHandler(), new InventoryCallbackHandler(), new PrepareSchemHandler(), new PlayerSkinHandler(), new AnvilAnswerHandler()
-        })
-            handler.register();
-
-        new EventStarter();
-        new SessionManager();
-        tablistManager = new TablistManager();
-        new SettingsChangedListener();
-
         schedule(() -> {
             SteamwarUser.clear();
             UserElo.clear();
@@ -269,8 +207,7 @@ public class VelocityCore implements ReloadablePlugin {
             logger.log(Level.SEVERE, "Could not shutdown discord bot", e);
         }
 
-        if(tablistManager != null)
-            tablistManager.disable();
+        linker.unlink();
         errorLogger.unregister();
         Statement.closeAll();
 

VelocityCore/src/de/steamwar/velocitycore/commands/AlertCommand.java

@@ -19,11 +19,13 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.discord.DiscordBot;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.UserPerm;
 
+@Linked
 public class AlertCommand extends SWCommand {
 
     public AlertCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/ArenaCommand.java

@@ -23,6 +23,7 @@ import com.velocitypowered.api.proxy.server.RegisteredServer;
 import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.PlayerChatter;
 import de.steamwar.persistent.Subserver;
@@ -31,6 +32,7 @@ import de.steamwar.velocitycore.VelocityCore;
 import java.util.Collection;
 import java.util.List;
 
+@Linked
 public class ArenaCommand extends SWCommand {
 
     public ArenaCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/BauCommand.java

@@ -19,16 +19,13 @@
 
 package de.steamwar.velocitycore.commands;
 
-import de.steamwar.velocitycore.*;
-import de.steamwar.velocitycore.inventory.SWInventory;
-import de.steamwar.velocitycore.inventory.SWItem;
-import de.steamwar.velocitycore.network.NetworkSender;
-import de.steamwar.velocitycore.util.BauLock;
-import de.steamwar.velocitycore.util.BauLockState;
 import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
 import de.steamwar.command.TypeValidator;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
+import de.steamwar.linkage.LinkedInstance;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -36,17 +33,25 @@ import de.steamwar.network.packets.server.BaumemberUpdatePacket;
 import de.steamwar.persistent.Bauserver;
 import de.steamwar.sql.BauweltMember;
 import de.steamwar.sql.SteamwarUser;
+import de.steamwar.velocitycore.*;
+import de.steamwar.velocitycore.inventory.SWInventory;
+import de.steamwar.velocitycore.inventory.SWItem;
+import de.steamwar.velocitycore.network.NetworkSender;
+import de.steamwar.velocitycore.util.BauLock;
+import de.steamwar.velocitycore.util.BauLockState;
 
 import java.util.Collection;
 import java.util.function.Consumer;
 
+@Linked
+@EventMode(false)
 public class BauCommand extends SWCommand {
 
-    private final HelpCommand command;
+    @LinkedInstance
+    private HelpCommand command;
 
-    public BauCommand(HelpCommand command) {
+    public BauCommand() {
         super("bau", "b", "build", "gs");
-        this.command = command;
     }
 
     @Register(noTabComplete = true)

VelocityCore/src/de/steamwar/velocitycore/commands/BugCommand.java

@@ -19,12 +19,13 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
+import de.steamwar.messages.Chatter;
 import de.steamwar.persistent.Subserver;
 import de.steamwar.sql.SWException;
-import de.steamwar.command.SWCommand;
-import de.steamwar.messages.Chatter;
-import de.steamwar.velocitycore.SubserverSystem;
 
+@Linked
 public class BugCommand extends SWCommand {
     public BugCommand() {
         super("bug");

VelocityCore/src/de/steamwar/velocitycore/commands/BuilderCloudCommand.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.ArenaMode;
 import de.steamwar.velocitycore.ServerStarter;
 import de.steamwar.velocitycore.ServerVersion;
@@ -37,6 +38,7 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 
+@Linked
 public class BuilderCloudCommand extends SWCommand {
 
     public BuilderCloudCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/ChallengeCommand.java

@@ -22,6 +22,8 @@ package de.steamwar.velocitycore.commands;
 import com.velocitypowered.api.proxy.Player;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeValidator;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -35,6 +37,8 @@ import java.util.LinkedList;
 
 import static de.steamwar.persistent.Storage.challenges;
 
+@Linked
+@EventMode(false)
 public class ChallengeCommand extends SWCommand {
 
     public ChallengeCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/CheckCommand.java

@@ -21,6 +21,7 @@ package de.steamwar.velocitycore.commands;
 
 import com.velocitypowered.api.proxy.Player;
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -44,6 +45,7 @@ import java.util.concurrent.TimeUnit;
 import java.util.function.BooleanSupplier;
 import java.util.logging.Level;
 
+@Linked
 public class CheckCommand extends SWCommand {
     private static final Map<SchematicType, SchematicType> fightTypes = new HashMap<>();
     private static final Map<SchematicType, List<String>> checkQuestions = new HashMap<>();

VelocityCore/src/de/steamwar/velocitycore/commands/DevCommand.java

@@ -27,6 +27,7 @@ import de.steamwar.command.SWCommand;
 import de.steamwar.command.SWCommandUtils;
 import de.steamwar.command.TypeMapper;
 import de.steamwar.command.TypeValidator;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -43,6 +44,7 @@ import java.net.InetSocketAddress;
 import java.util.HashMap;
 import java.util.Map;
 
+@Linked
 public class DevCommand extends SWCommand {
 
     private final File devServerDir = new File("/configs/DevServer");

VelocityCore/src/de/steamwar/velocitycore/commands/EventCommand.java

@@ -23,6 +23,7 @@ import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
 import de.steamwar.command.TypeValidator;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.PlayerChatter;
 import de.steamwar.persistent.Subserver;
@@ -37,6 +38,7 @@ import java.util.*;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+@Linked
 public class EventCommand extends SWCommand {
 
     public EventCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/EventRescheduleCommand.java

@@ -21,6 +21,7 @@ package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.Event;
 import de.steamwar.sql.EventFight;
@@ -32,6 +33,7 @@ import java.util.Date;
 import java.util.List;
 import java.util.ListIterator;
 
+@Linked
 public class EventRescheduleCommand extends SWCommand {
 
     public EventRescheduleCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/EventreloadCommand.java

@@ -20,10 +20,12 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.EventFight;
 import de.steamwar.sql.UserPerm;
 
+@Linked
 public class EventreloadCommand extends SWCommand {
     public EventreloadCommand() {
         super("eventreload", UserPerm.MODERATION);

VelocityCore/src/de/steamwar/velocitycore/commands/FightCommand.java

@@ -21,6 +21,8 @@ package de.steamwar.velocitycore.commands;
 
 import com.velocitypowered.api.proxy.Player;
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -36,6 +38,8 @@ import net.kyori.adventure.text.event.HoverEvent;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.format.TextDecoration;
 
+@Linked
+@EventMode(false)
 public class FightCommand extends SWCommand {
 
     public FightCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/GDPRQuery.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.Chatter;
@@ -31,6 +32,7 @@ import java.io.*;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
+@Linked
 public class GDPRQuery extends SWCommand {
 
     public GDPRQuery() {

VelocityCore/src/de/steamwar/velocitycore/commands/HelpCommand.java

@@ -20,12 +20,14 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import net.kyori.adventure.text.event.ClickEvent;
 
 import java.util.function.Function;
 
+@Linked
 public class HelpCommand extends SWCommand {
 
     public HelpCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/HistoricCommand.java

@@ -20,6 +20,8 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -27,6 +29,8 @@ import de.steamwar.velocitycore.ArenaMode;
 import de.steamwar.velocitycore.ServerStarter;
 import net.kyori.adventure.text.event.ClickEvent;
 
+@Linked
+@EventMode(false)
 public class HistoricCommand extends SWCommand {
     public HistoricCommand() {
         super("historic");

VelocityCore/src/de/steamwar/velocitycore/commands/IgnoreCommand.java

@@ -20,10 +20,12 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.IgnoreSystem;
 import de.steamwar.sql.SteamwarUser;
 
+@Linked
 public class IgnoreCommand extends SWCommand {
 
     public IgnoreCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/JoinmeCommand.java

@@ -20,12 +20,14 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
 import de.steamwar.sql.UserPerm;
 import net.kyori.adventure.text.event.ClickEvent;
 
+@Linked
 public class JoinmeCommand extends SWCommand {
 
     public JoinmeCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/KickCommand.java

@@ -21,9 +21,11 @@ package de.steamwar.velocitycore.commands;
 
 import com.velocitypowered.api.proxy.Player;
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.UserPerm;
 
+@Linked
 public class KickCommand extends SWCommand {
 
     public KickCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/ListCommand.java

@@ -22,6 +22,7 @@ package de.steamwar.velocitycore.commands;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ServerConnection;
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.persistent.Subserver;
 import de.steamwar.velocitycore.VelocityCore;
@@ -32,6 +33,7 @@ import java.util.SortedMap;
 import java.util.TreeMap;
 import java.util.stream.Collectors;
 
+@Linked
 public class ListCommand extends SWCommand {
 
     public ListCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/LocalCommand.java

@@ -19,10 +19,12 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.listeners.ChatListener;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.PlayerChatter;
 
+@Linked
 public class LocalCommand extends SWCommand {
 
     public LocalCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/ModCommand.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.inventory.SWInventory;
 import de.steamwar.velocitycore.inventory.SWItem;
 import de.steamwar.velocitycore.inventory.SWListInv;
@@ -35,6 +36,7 @@ import java.util.Map;
 import java.util.UUID;
 import java.util.function.Consumer;
 
+@Linked
 public class ModCommand extends SWCommand {
 
     public ModCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/MsgCommand.java

@@ -20,17 +20,18 @@
 package de.steamwar.velocitycore.commands;
 
 import com.velocitypowered.api.proxy.Player;
-import com.velocitypowered.proxy.Velocity;
-import de.steamwar.velocitycore.VelocityCore;
-import de.steamwar.velocitycore.listeners.ChatListener;
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.ChatterGroup;
 import de.steamwar.messages.PlayerChatter;
 import de.steamwar.sql.IgnoreSystem;
+import de.steamwar.velocitycore.VelocityCore;
+import de.steamwar.velocitycore.listeners.ChatListener;
 
 import static de.steamwar.persistent.Storage.lastChats;
 
+@Linked
 public class MsgCommand extends SWCommand {
 
     public MsgCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/PingCommand.java

@@ -20,8 +20,10 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.PlayerChatter;
 
+@Linked
 public class PingCommand extends SWCommand {
 
     public PingCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/PlaytimeCommand.java

@@ -20,11 +20,13 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.SteamwarUser;
 
 import java.text.NumberFormat;
 
+@Linked
 public class PlaytimeCommand extends SWCommand {
 
     public PlaytimeCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/PollCommand.java

@@ -19,12 +19,14 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.listeners.PollSystem;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeValidator;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.PollAnswer;
 
+@Linked
 public class PollCommand extends SWCommand {
 
     public PollCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/PollresultCommand.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.listeners.PollSystem;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeValidator;
@@ -28,6 +29,7 @@ import de.steamwar.sql.UserPerm;
 
 import java.util.Map;
 
+@Linked
 public class PollresultCommand extends SWCommand {
 
     public PollresultCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/RCommand.java

@@ -20,10 +20,12 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.PlayerChatter;
 
 import static de.steamwar.persistent.Storage.lastChats;
 
+@Linked
 public class RCommand extends SWCommand {
 
     public RCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/RankCommand.java

@@ -20,6 +20,7 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.sql.SteamwarUser;
@@ -28,6 +29,7 @@ import de.steamwar.velocitycore.ArenaMode;
 
 import java.util.Optional;
 
+@Linked
 public class RankCommand extends SWCommand {
 
     public RankCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/ReplayCommand.java

@@ -19,6 +19,8 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.ArenaMode;
 import de.steamwar.messages.Message;
 import de.steamwar.velocitycore.ServerStarter;
@@ -32,6 +34,8 @@ import de.steamwar.sql.*;
 import java.util.ArrayList;
 import java.util.List;
 
+@Linked
+@EventMode(false)
 public class ReplayCommand extends SWCommand {
 
     public ReplayCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/RulesCommand.java

@@ -20,12 +20,14 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import net.kyori.adventure.text.event.ClickEvent;
 
 import java.util.Arrays;
 
+@Linked
 public class RulesCommand extends SWCommand {
     public RulesCommand() {
         super("rules", "regeln");

VelocityCore/src/de/steamwar/velocitycore/commands/SendCommand.java

@@ -26,6 +26,7 @@ import com.velocitypowered.api.proxy.server.ServerInfo;
 import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.persistent.Subserver;
@@ -38,6 +39,7 @@ import java.util.Collection;
 import java.util.List;
 import java.util.stream.Collectors;
 
+@Linked
 public class SendCommand extends SWCommand {
 
     // /send <server> [<users>]

VelocityCore/src/de/steamwar/velocitycore/commands/ServerTeamchatCommand.java

@@ -19,11 +19,13 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.listeners.ChatListener;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.UserPerm;
 
+@Linked
 public class ServerTeamchatCommand extends SWCommand {
 
     public ServerTeamchatCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/SetLocaleCommand.java

@@ -20,10 +20,12 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.PlayerChatter;
 import de.steamwar.network.packets.server.LocaleInvalidationPacket;
 import de.steamwar.velocitycore.network.NetworkSender;
 
+@Linked
 public class SetLocaleCommand extends SWCommand {
 
     public SetLocaleCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/StatCommand.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.Node;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.Chatter;
@@ -29,6 +30,7 @@ import java.io.InputStreamReader;
 import java.util.HashMap;
 import java.util.Map;
 
+@Linked
 public class StatCommand extends SWCommand {
 
     public StatCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/StreamingCommand.java

@@ -20,11 +20,15 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.persistent.Storage;
 import de.steamwar.sql.SteamwarUser;
 import de.steamwar.sql.UserPerm;
 
+@Linked
+@EventMode(false)
 public class StreamingCommand extends SWCommand {
 
     public static boolean isNotStreaming(Chatter sender) {

VelocityCore/src/de/steamwar/velocitycore/commands/TeamCommand.java

@@ -29,6 +29,7 @@ import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
 import de.steamwar.command.TypeValidator;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.messages.PlayerChatter;
@@ -52,6 +53,7 @@ import java.util.stream.Stream;
 
 import static de.steamwar.persistent.Storage.teamInvitations;
 
+@Linked
 public class TeamCommand extends SWCommand {
 
     public TeamCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/TeamchatCommand.java

@@ -19,12 +19,14 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.listeners.ChatListener;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.ChatterGroup;
 import de.steamwar.sql.SteamwarUser;
 
+@Linked
 public class TeamchatCommand extends SWCommand {
 
     public TeamchatCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/TpCommand.java

@@ -22,6 +22,7 @@ package de.steamwar.velocitycore.commands;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ServerConnection;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.*;
 import de.steamwar.velocitycore.util.BauLock;
 import de.steamwar.command.PreviousArguments;
@@ -39,6 +40,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
+@Linked
 public class TpCommand extends SWCommand {
 
     public TpCommand(){

VelocityCore/src/de/steamwar/velocitycore/commands/UnIgnoreCommand.java

@@ -20,10 +20,12 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.IgnoreSystem;
 import de.steamwar.sql.SteamwarUser;
 
+@Linked
 public class UnIgnoreCommand extends SWCommand {
 
     public UnIgnoreCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/VerifyCommand.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.velocitycore.commands;
 
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.velocitycore.discord.util.AuthManager;
 import de.steamwar.command.SWCommand;
@@ -28,6 +29,7 @@ import net.dv8tion.jda.api.entities.User;
 import java.util.Base64;
 import java.util.logging.Level;
 
+@Linked
 public class VerifyCommand extends SWCommand {
 
     public VerifyCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/WebpasswordCommand.java

@@ -20,9 +20,13 @@
 package de.steamwar.velocitycore.commands;
 
 import de.steamwar.command.SWCommand;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.sql.SteamwarUser;
 
+@Linked
+@EventMode(false)
 public class WebpasswordCommand extends SWCommand {
 
     public WebpasswordCommand() {

VelocityCore/src/de/steamwar/velocitycore/commands/WhoisCommand.java

@@ -23,6 +23,7 @@ import com.velocitypowered.api.proxy.Player;
 import de.steamwar.command.PreviousArguments;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.persistent.Storage;
@@ -41,7 +42,7 @@ import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-
+@Linked
 public class WhoisCommand extends SWCommand {
     public WhoisCommand() {
         super("whois");

VelocityCore/src/de/steamwar/velocitycore/listeners/BanListener.java

@@ -22,6 +22,7 @@ package de.steamwar.velocitycore.listeners;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.LoginEvent;
 import com.velocitypowered.api.proxy.Player;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.sql.BannedUserIPs;
@@ -36,6 +37,7 @@ import java.util.List;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
+@Linked
 public class BanListener extends BasicListener {
 
     @Subscribe

VelocityCore/src/de/steamwar/velocitycore/listeners/ChatListener.java

@@ -29,6 +29,7 @@ import com.velocitypowered.api.proxy.ConsoleCommandSource;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ServerConnection;
 import com.velocitypowered.api.proxy.server.ServerInfo;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.ChatterGroup;
 import de.steamwar.messages.Message;
@@ -50,6 +51,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
 
+@Linked
 public class ChatListener extends BasicListener {
 
     private static final Logger cmdLogger = Logger.getLogger("Command logger");

VelocityCore/src/de/steamwar/velocitycore/listeners/CheckListener.java

@@ -24,6 +24,7 @@ import com.velocitypowered.api.event.connection.DisconnectEvent;
 import com.velocitypowered.api.event.connection.PostLoginEvent;
 import com.velocitypowered.api.event.player.ServerConnectedEvent;
 import com.velocitypowered.api.proxy.Player;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.persistent.Bauserver;
 import de.steamwar.persistent.Subserver;
@@ -34,6 +35,7 @@ import de.steamwar.velocitycore.commands.CheckCommand;
 import java.util.ArrayList;
 import java.util.List;
 
+@Linked
 public class CheckListener extends BasicListener {
 
     @Subscribe

VelocityCore/src/de/steamwar/velocitycore/listeners/ConnectionListener.java

@@ -27,6 +27,7 @@ import com.velocitypowered.api.event.player.KickedFromServerEvent;
 import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.permission.Tristate;
 import com.velocitypowered.api.proxy.Player;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.messages.Message;
 import de.steamwar.persistent.Subserver;
@@ -45,6 +46,7 @@ import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
 
+@Linked
 public class ConnectionListener extends BasicListener {
 
     private static final Set<UUID> newPlayers = new HashSet<>();

VelocityCore/src/de/steamwar/velocitycore/listeners/CookieEvents.java

@@ -22,11 +22,15 @@ package de.steamwar.velocitycore.listeners;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.player.CookieReceiveEvent;
 import com.velocitypowered.api.proxy.Player;
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.sql.EventFight;
 import de.steamwar.sql.SteamwarUser;
 import de.steamwar.velocitycore.EventStarter;
 import de.steamwar.velocitycore.VelocityCore;
 
+@Linked
+@EventMode(false)
 public class CookieEvents extends BasicListener {
 
     @Subscribe

VelocityCore/src/de/steamwar/velocitycore/listeners/EventModeListener.java

@@ -19,27 +19,25 @@
 
 package de.steamwar.velocitycore.listeners;
 
-import java.net.InetSocketAddress;
-import java.nio.charset.Charset;
-import java.util.List;
-
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.PostLoginEvent;
 import com.velocitypowered.api.event.player.ServerConnectedEvent;
 import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.proxy.Player;
-
+import de.steamwar.linkage.EventMode;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.persistent.Subserver;
-import de.steamwar.sql.Event;
-import de.steamwar.sql.EventFight;
-import de.steamwar.sql.Referee;
-import de.steamwar.sql.SteamwarUser;
-import de.steamwar.sql.TeamTeilnahme;
+import de.steamwar.sql.*;
 import de.steamwar.velocitycore.EventStarter;
 import de.steamwar.velocitycore.VelocityCore;
 import net.kyori.adventure.key.Key;
 
+import java.net.InetSocketAddress;
+import java.util.List;
+
+@Linked
+@EventMode(true)
 public class EventModeListener extends BasicListener {
 
     public static final Key EVENT_TO_SPECTATE_KEY = Key.key("sw", "event_to_spectate");

VelocityCore/src/de/steamwar/velocitycore/listeners/IPSanitizer.java

@@ -26,6 +26,7 @@ import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.proxy.connection.MinecraftConnection;
 import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
 import com.velocitypowered.proxy.connection.client.LoginInboundConnection;
+import de.steamwar.linkage.Linked;
 import de.steamwar.persistent.Reflection;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.velocitycore.mods.Hostname;
@@ -38,6 +39,7 @@ import java.util.Map;
 import java.util.UUID;
 import java.util.logging.Level;
 
+@Linked
 public class IPSanitizer extends BasicListener {
 
     private static final Map<UUID, InetAddress> trueAddress = new HashMap<>(); // Will likely slightly leak over time

VelocityCore/src/de/steamwar/velocitycore/listeners/PluginMessage.java

@@ -31,6 +31,7 @@ import com.velocitypowered.api.proxy.messages.ChannelMessageSource;
 import com.velocitypowered.api.proxy.messages.LegacyChannelIdentifier;
 import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier;
 import com.velocitypowered.proxy.protocol.ProtocolUtils;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.network.packets.NetworkPacket;
 import de.steamwar.sql.SteamwarUser;
@@ -50,6 +51,7 @@ import java.util.*;
 import java.util.function.Consumer;
 import java.util.logging.Level;
 
+@Linked
 public class PluginMessage extends BasicListener {
 
     public static void send(Player player, String legacyChannel, String channel, byte[] data) {

VelocityCore/src/de/steamwar/velocitycore/listeners/SessionManager.java

@@ -22,6 +22,7 @@ package de.steamwar.velocitycore.listeners;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.DisconnectEvent;
 import com.velocitypowered.api.event.connection.PostLoginEvent;
+import de.steamwar.linkage.Linked;
 import de.steamwar.sql.AuditLog;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.sql.Session;
@@ -32,6 +33,7 @@ import java.time.Instant;
 
 import static de.steamwar.persistent.Storage.sessions;
 
+@Linked
 public class SessionManager extends BasicListener {
 
     @Subscribe

VelocityCore/src/de/steamwar/velocitycore/listeners/SettingsChangedListener.java

@@ -22,11 +22,13 @@ package de.steamwar.velocitycore.listeners;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.player.PlayerSettingsChangedEvent;
 import com.velocitypowered.api.proxy.Player;
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.velocitycore.network.NetworkSender;
 import de.steamwar.sql.SteamwarUser;
 import de.steamwar.network.packets.server.LocaleInvalidationPacket;
 
+@Linked
 public class SettingsChangedListener extends BasicListener {
 
     @Subscribe

VelocityCore/src/de/steamwar/velocitycore/listeners/TexturePackSystem.java

@@ -22,6 +22,7 @@ package de.steamwar.velocitycore.listeners;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.player.ServerPostConnectEvent;
 import com.velocitypowered.api.proxy.player.ResourcePackInfo;
+import de.steamwar.linkage.Linked;
 import de.steamwar.velocitycore.VelocityCore;
 import net.kyori.adventure.text.Component;
 
@@ -33,6 +34,7 @@ import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
 // https://jd.papermc.io/velocity/3.4.0/com/velocitypowered/api/proxy/player/ResourcePackInfo.Builder.html#setHash(byte%5B%5D)
+@Linked
 public class TexturePackSystem extends BasicListener {
 
     private static final File PACKS_DIR = new File("/var/www/packs");

VelocityCore/src/de/steamwar/velocitycore/listeners/VersionAnnouncer.java

@@ -26,6 +26,7 @@ import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.server.ServerInfo;
 import com.viaversion.viaversion.api.Via;
 import com.viaversion.viaversion.velocity.platform.VelocityViaConfig;
+import de.steamwar.linkage.Linked;
 import de.steamwar.messages.Chatter;
 import de.steamwar.network.packets.server.ClientVersionPacket;
 import de.steamwar.persistent.Subserver;
@@ -35,6 +36,7 @@ import de.steamwar.velocitycore.network.NetworkSender;
 import java.time.Duration;
 import java.time.temporal.ChronoUnit;
 
+@Linked
 public class VersionAnnouncer extends BasicListener {
 
     @Subscribe

VelocityCore/src/de/steamwar/velocitycore/mods/Badlion.java

@@ -22,7 +22,9 @@ package de.steamwar.velocitycore.mods;
 import com.google.gson.JsonObject;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier;
+import de.steamwar.linkage.Linked;
 
+@Linked
 public class Badlion {
     // https://github.com/BadlionClient/BadlionClientModAPI