SpigotCore_14/src/de/steamwar/inventory/SWItem_14.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.inventory;
 
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.SkullMeta;
@@ -269,7 +270,7 @@ class SWItem_14 {
         ItemStack head = new ItemStack(Material.PLAYER_HEAD, 1);
         SkullMeta headmeta = (SkullMeta) head.getItemMeta();
         assert headmeta != null;
-        headmeta.setOwner(player);
+        headmeta.setOwningPlayer(Bukkit.getOfflinePlayer(player));
         headmeta.setDisplayName(player);
         head.setItemMeta(headmeta);
         return head;

SpigotCore_15/src/de/steamwar/authlib/AuthlibInjector_15.java

@@ -0,0 +1,33 @@
+/*
+ *    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.authlib;
+
+import net.minecraft.server.v1_15_R1.MinecraftServer;
+
+public class AuthlibInjector_15 {
+
+    static Class getMinecraftClass() {
+        return MinecraftServer.class;
+    }
+
+    static Object getMinecraftServerInstance() {
+        return MinecraftServer.getServer();
+    }
+}

SpigotCore_Main/src/de/steamwar/authlib/AuthlibInjector.java

@@ -0,0 +1,47 @@
+/*
+ *    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.authlib;
+
+import com.mojang.authlib.yggdrasil.YggdrasilGameProfileRepository;
+import de.steamwar.core.Core;
+import de.steamwar.core.VersionedCallable;
+
+import java.lang.reflect.Field;
+
+public class AuthlibInjector {
+
+    public static void inject() {
+        if (Core.getVersion() != 15) {
+            return;
+        }
+
+        try {
+            Class<?> minecraftServerClass = VersionedCallable.call(new VersionedCallable<>(() -> AuthlibInjector_15.getMinecraftClass(), 15));
+            Field repo = minecraftServerClass.getDeclaredField("gameProfileRepository");
+            repo.setAccessible(true);
+            Object instance = VersionedCallable.call(new VersionedCallable<>(() -> AuthlibInjector_15.getMinecraftServerInstance(), 15));
+            repo.set(instance, new SteamwarGameProfileRepository((YggdrasilGameProfileRepository) repo.get(instance)));
+        } catch (NoSuchFieldException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+}

SpigotCore_Main/src/de/steamwar/authlib/SteamwarGameProfileRepository.java

@@ -0,0 +1,60 @@
+/*
+ *    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.authlib;
+
+import com.mojang.authlib.Agent;
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.GameProfileRepository;
+import com.mojang.authlib.ProfileLookupCallback;
+import com.mojang.authlib.yggdrasil.YggdrasilGameProfileRepository;
+import de.steamwar.sql.SteamwarUser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SteamwarGameProfileRepository implements GameProfileRepository {
+
+    private final YggdrasilGameProfileRepository fallback;
+
+    public SteamwarGameProfileRepository(YggdrasilGameProfileRepository repository) {
+        fallback = repository;
+    }
+
+    @Override
+    public void findProfilesByNames(String[] strings, Agent agent, ProfileLookupCallback profileLookupCallback) {
+        if(agent == Agent.SCROLLS) {
+            fallback.findProfilesByNames(strings, agent, profileLookupCallback);
+        } else {
+            List<String> unknownNames = new ArrayList<>();
+            for (String name:strings) {
+                SteamwarUser user = SteamwarUser.get(name);
+                if(user == null) {
+                    unknownNames.add(name);
+                    continue;
+                }
+
+                profileLookupCallback.onProfileLookupSucceeded(new GameProfile(user.getUUID(), user.getUserName()));
+            }
+            if(!unknownNames.isEmpty()) {
+                fallback.findProfilesByNames(unknownNames.toArray(new String[0]), agent, profileLookupCallback);
+            }
+        }
+    }
+}

SpigotCore_Main/src/de/steamwar/command/CommandParseException.java

@@ -23,20 +23,4 @@ public class CommandParseException extends Exception {
 
     public CommandParseException() {
     }
-
-    public CommandParseException(String message) {
-        super(message);
-    }
-
-    public CommandParseException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-    public CommandParseException(Throwable cause) {
-        super(cause);
-    }
-
-    public CommandParseException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
-        super(message, cause, enableSuppression, writableStackTrace);
-    }
 }

SpigotCore_Main/src/de/steamwar/command/SWCommand.java

@@ -30,12 +30,13 @@ import java.util.*;
 import java.util.function.BiConsumer;
 import java.util.function.IntPredicate;
 import java.util.logging.Level;
+import java.util.stream.Collectors;
 
 public abstract class SWCommand {
 
     private final Command command;
-    private final List<SubCommand> commandSet = new ArrayList<>();
-    private final List<SubCommand> commandHelpSet = new ArrayList<>();
+    private final List<SubCommand> commandList = new ArrayList<>();
+    private final List<SubCommand> commandHelpList = new ArrayList<>();
     private final Map<String, TypeMapper<?>> localTypeMapper = new HashMap<>();
 
     protected SWCommand(String command) {
@@ -46,58 +47,36 @@ public abstract class SWCommand {
         this.command = new Command(command, "", "/" + command, Arrays.asList(aliases)) {
             @Override
             public boolean execute(CommandSender sender, String alias, String[] args) {
-                for (SubCommand subCommand : commandSet) {
-                    if (subCommand.invoke(sender, args)) {
-                        return false;
-                    }
-                }
-                for (SubCommand subCommand : commandHelpSet) {
-                    if (subCommand.invoke(sender, args)) {
-                        return false;
-                    }
-                }
+                if (commandList.stream().anyMatch(s -> s.invoke(sender, args))) return false;
+                commandHelpList.stream().anyMatch(s -> s.invoke(sender, args));
                 return false;
             }
 
             @Override
             public List<String> tabComplete(CommandSender sender, String alias, String[] args) throws IllegalArgumentException {
-                List<String> strings = new ArrayList<>();
-                for (SubCommand subCommand : commandSet) {
-                    List<String> tabCompletes = subCommand.tabComplete(sender, args);
-                    if (tabCompletes != null) {
-                        strings.addAll(tabCompletes);
-                    }
-                }
-                strings = new ArrayList<>(strings);
-                for (int i = strings.size() - 1; i >= 0; i--) {
-                    if (!strings.get(i).toLowerCase().startsWith(args[args.length - 1].toLowerCase())) {
-                        strings.remove(i);
-                    }
-                }
-                return strings;
+                String string = args[args.length - 1].toLowerCase();
+                return commandList.stream()
+                        .map(s -> s.tabComplete(sender, args))
+                        .filter(Objects::nonNull)
+                        .flatMap(Collection::stream)
+                        .filter(s -> !s.isEmpty())
+                        .filter(s -> s.toLowerCase().startsWith(string))
+                        .collect(Collectors.toList());
             }
         };
+        unregister();
         register();
 
-        for (Method method : getClass().getDeclaredMethods()) {
+        Method[] methods = getClass().getDeclaredMethods();
+        for (Method method : methods) {
             addMapper(Mapper.class, method, i -> i == 0, false, TypeMapper.class, (anno, typeMapper) -> {
-                if (anno.local()) {
-                    localTypeMapper.put(anno.value(), typeMapper);
-                } else {
-                    SWCommandUtils.addMapper(anno.value(), typeMapper);
-                }
+                (anno.local() ? localTypeMapper : SWCommandUtils.MAPPER_FUNCTIONS).putIfAbsent(anno.value(), typeMapper);
             });
             addMapper(ClassMapper.class, method, i -> i == 0, false, TypeMapper.class, (anno, typeMapper) -> {
-                if (anno.local()) {
-                    localTypeMapper.put(anno.value().getTypeName(), typeMapper);
-                } else {
-                    SWCommandUtils.addMapper(anno.value().getTypeName(), typeMapper);
-                }
+                (anno.local() ? localTypeMapper : SWCommandUtils.MAPPER_FUNCTIONS).putIfAbsent(anno.value().getTypeName(), typeMapper);
             });
             add(Register.class, method, i -> i > 0, true, null, (anno, parameters) -> {
-                if (!anno.help()) {
-                    return;
-                }
+                if (!anno.help()) return;
                 if (parameters.length != 2) {
                     Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking parameters or has too many");
                 }
@@ -108,14 +87,12 @@ public abstract class SWCommand {
                     Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking the varArgs parameters of type '" + String.class.getTypeName() + "' as last Argument");
                     return;
                 }
-                commandHelpSet.add(new SubCommand(this, method, anno.value()));
+                commandHelpList.add(new SubCommand(this, method, anno.value(), new HashMap<>()));
             });
         }
-        for (Method method : getClass().getDeclaredMethods()) {
+        for (Method method : methods) {
             add(Register.class, method, i -> i > 0, true, null, (anno, parameters) -> {
-                if (anno.help()) {
-                    return;
-                }
+                if (anno.help()) return;
                 for (int i = 1; i < parameters.length; i++) {
                     Parameter parameter = parameters[i];
                     Class<?> clazz = parameter.getType();
@@ -126,37 +103,31 @@ public abstract class SWCommand {
                     if (clazz.isEnum() && mapper == null && !SWCommandUtils.MAPPER_FUNCTIONS.containsKey(clazz.getTypeName())) {
                         continue;
                     }
-                    String name = clazz.getTypeName();
-                    if (mapper != null) {
-                        name = mapper.value();
-                    }
+                    String name = mapper != null ? mapper.value() : clazz.getTypeName();
                     if (!SWCommandUtils.MAPPER_FUNCTIONS.containsKey(name) && !localTypeMapper.containsKey(name)) {
                         Bukkit.getLogger().log(Level.WARNING, "The parameter '" + parameter.toString() + "' is using an unsupported Mapper of type '" + name + "'");
                         return;
                     }
                 }
-                commandSet.add(new SubCommand(this, method, anno.value(), localTypeMapper));
+                commandList.add(new SubCommand(this, method, anno.value(), localTypeMapper));
             });
 
-            this.commandSet.sort((o1, o2) -> {
+            this.commandList.sort((o1, o2) -> {
                 int compare = Integer.compare(-o1.subCommand.length, -o2.subCommand.length);
                 if (compare != 0) {
                     return compare;
                 } else {
-                    int i1 = o1.varArgType != null ? Integer.MAX_VALUE : o1.arguments.length;
-                    int i2 = o2.varArgType != null ? Integer.MAX_VALUE : o2.arguments.length;
-                    return Integer.compare(i1, i2);
+                    return Integer.compare(o1.varArgType != null ? Integer.MAX_VALUE : o1.arguments.length,
+                            o2.varArgType != null ? Integer.MAX_VALUE : o2.arguments.length);
                 }
             });
-            commandHelpSet.sort(Comparator.comparingInt(o -> -o.subCommand.length));
+            commandHelpList.sort(Comparator.comparingInt(o -> -o.subCommand.length));
         }
     }
 
     private <T extends Annotation> void add(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, Parameter[]> consumer) {
-        T anno = SWCommandUtils.getAnnotation(method, annotation);
-        if (anno == null) {
-            return;
-        }
+        T[] anno = SWCommandUtils.getAnnotation(method, annotation);
+        if (anno == null || anno.length == 0) return;
 
         Parameter[] parameters = method.getParameters();
         if (!parameterTester.test(parameters.length)) {
@@ -171,39 +142,43 @@ public abstract class SWCommand {
             Bukkit.getLogger().log(Level.WARNING, "The method '" + method.toString() + "' is lacking the desired return type '" + returnType.getTypeName() + "'");
             return;
         }
-        consumer.accept(anno, parameters);
+        Arrays.stream(anno).forEach(t -> consumer.accept(t, parameters));
     }
 
     private <T extends Annotation> void addMapper(Class<T> annotation, Method method, IntPredicate parameterTester, boolean firstParameter, Class<?> returnType, BiConsumer<T, TypeMapper<?>> consumer) {
         add(annotation, method, parameterTester, firstParameter, returnType, (anno, parameters) -> {
             try {
                 method.setAccessible(true);
-                Object object = method.invoke(this);
-                consumer.accept(anno, (TypeMapper<?>) object);
+                consumer.accept(anno, (TypeMapper<?>) method.invoke(this));
             } catch (Exception e) {
                 throw new SecurityException(e.getMessage(), e);
             }
         });
     }
 
-    protected void unregister() {
+    public void unregister() {
         SWCommandUtils.knownCommandMap.remove(command.getName());
-        for (String alias : command.getAliases()) {
-            SWCommandUtils.knownCommandMap.remove(alias);
-        }
+        command.getAliases().forEach(SWCommandUtils.knownCommandMap::remove);
         command.unregister(SWCommandUtils.commandMap);
     }
 
-    protected void register() {
+    public void register() {
         SWCommandUtils.commandMap.register("steamwar", this.command);
     }
 
     @Retention(RetentionPolicy.RUNTIME)
     @Target({ElementType.METHOD})
+    @Repeatable(Register.Registeres.class)
     protected @interface Register {
         String[] value() default {};
 
         boolean help() default false;
+
+        @Retention(RetentionPolicy.RUNTIME)
+        @Target({ElementType.METHOD})
+        @interface Registeres {
+            Register[] value();
+        }
     }
 
     @Retention(RetentionPolicy.RUNTIME)

SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java

@@ -50,10 +50,7 @@ public class SWCommandUtils {
 
     static final BiFunction<Class<Enum<?>>, String, Enum<?>> ENUM_MAPPER = (enumClass, s) -> {
         Enum<?>[] enums = enumClass.getEnumConstants();
-        for (Enum<?> e : enums) {
-            if (e.name().equalsIgnoreCase(s)) return e;
-        }
-        return null;
+        return Arrays.stream(enums).filter(e -> e.name().equalsIgnoreCase(s)).findFirst().orElse(null);
     };
 
     static {
@@ -61,6 +58,7 @@ public class SWCommandUtils {
         addMapper(float.class, Float.class, createMapper(numberMapper(Float::parseFloat), numberCompleter(Float::parseFloat)));
         addMapper(double.class, Double.class, createMapper(numberMapper(Double::parseDouble), numberCompleter(Double::parseDouble)));
         addMapper(int.class, Integer.class, createMapper(numberMapper(Integer::parseInt), numberCompleter(Integer::parseInt)));
+        addMapper(long.class, Long.class, createMapper(numberMapper(Long::parseLong), numberCompleter(Long::parseLong)));
         MAPPER_FUNCTIONS.put(String.class.getTypeName(), createMapper(s -> s, Collections::singletonList));
         MAPPER_FUNCTIONS.put(Player.class.getTypeName(), createMapper(Bukkit::getPlayer, s -> Bukkit.getOnlinePlayers().stream().map(Player::getName).collect(Collectors.toList())));
         MAPPER_FUNCTIONS.put(GameMode.class.getTypeName(), createMapper(s -> {
@@ -100,41 +98,35 @@ public class SWCommandUtils {
         }
     }
 
-    static Object[] generateArgumentArray(TypeMapper<?>[] parameters, String[] args, Class<?> varArgType, String[] subCommand) throws CommandParseException {
+    static Object[] generateArgumentArray(CommandSender commandSender, TypeMapper<?>[] parameters, String[] args, Class<?> varArgType, String[] subCommand) throws CommandParseException {
         Object[] arguments = new Object[parameters.length + 1];
         int index = 0;
         while (index < subCommand.length) {
-            if (!args[index].equalsIgnoreCase(subCommand[index])) {
-                throw new CommandParseException();
-            }
+            if (!args[index].equalsIgnoreCase(subCommand[index])) throw new CommandParseException();
             index++;
         }
 
-        if (varArgType != null && index > args.length - 1) {
-            Object varArgument = Array.newInstance(varArgType, 0);
-            arguments[arguments.length - 1] = varArgument;
-        } else {
-            for (int i = 0; i < parameters.length - (varArgType != null ? 1 : 0); i++) {
-                arguments[i + 1] = parameters[i].map(Arrays.copyOf(args, index), args[index]);
+        int length = 0;
+        if (varArgType != null) {
+            length = args.length - parameters.length - subCommand.length + 1;
+            arguments[arguments.length - 1] = Array.newInstance(varArgType, length);
+            if (index > args.length - 1) return arguments;
+        }
+
+        for (int i = 0; i < parameters.length - (varArgType != null ? 1 : 0); i++) {
+            arguments[i + 1] = parameters[i].map(commandSender, Arrays.copyOf(args, index), args[index]);
+            index++;
+            if (arguments[i + 1] == null) throw new CommandParseException();
+        }
+
+        if (varArgType != null) {
+            Object varArgument = arguments[arguments.length - 1];
+
+            for (int i = 0; i < length; i++) {
+                Object value = parameters[parameters.length - 1].map(commandSender, Arrays.copyOf(args, index), args[index]);
+                if (value == null) throw new CommandParseException();
+                Array.set(varArgument, i, value);
                 index++;
-                if (arguments[i + 1] == null) {
-                    throw new CommandParseException();
-                }
-            }
-
-            if (varArgType != null) {
-                int length = args.length - parameters.length - subCommand.length + 1;
-                Object varArgument = Array.newInstance(varArgType, length);
-                arguments[arguments.length - 1] = varArgument;
-
-                for (int i = 0; i < length; i++) {
-                    Object value = parameters[parameters.length - 1].map(Arrays.copyOf(args, index), args[index]);
-                    if (value == null) {
-                        throw new CommandParseException();
-                    }
-                    Array.set(varArgument, i, value);
-                    index++;
-                }
             }
         }
         return arguments;
@@ -145,8 +137,7 @@ public class SWCommandUtils {
     }
 
     public static void addMapper(String name, TypeMapper<?> mapper) {
-        if (MAPPER_FUNCTIONS.containsKey(name)) return;
-        MAPPER_FUNCTIONS.put(name, mapper);
+        MAPPER_FUNCTIONS.putIfAbsent(name, mapper);
     }
 
     public static <T> TypeMapper<T> createMapper(Function<String, T> mapper, Function<String, List<String>> tabCompleter) {
@@ -156,7 +147,7 @@ public class SWCommandUtils {
     public static <T> TypeMapper<T> createMapper(Function<String, T> mapper, BiFunction<CommandSender, String, List<String>> tabCompleter) {
         return new TypeMapper<T>() {
             @Override
-            public T map(String[] previous, String s) {
+            public T map(CommandSender commandSender, String[] previousArguments, String s) {
                 return mapper.apply(s);
             }
 
@@ -178,18 +169,13 @@ public class SWCommandUtils {
     }
 
     private static Function<String, List<String>> numberCompleter(Function<String, ?> mapper) {
-        return s -> {
-            try {
-                mapper.apply(s);
-                return Collections.singletonList(s);
-            } catch (Exception e) {
-                return Collections.emptyList();
-            }
-        };
+        return s -> numberMapper(mapper).apply(s) != null
+                ? Collections.singletonList(s)
+                : Collections.emptyList();
     }
 
-    static <T extends Annotation> T getAnnotation(Method method, Class<T> annotation) {
+    static <T extends Annotation> T[] getAnnotation(Method method, Class<T> annotation) {
         if (method.getAnnotations().length != 1) return null;
-        return method.getAnnotation(annotation);
+        return method.getDeclaredAnnotationsByType(annotation);
     }
 }

SpigotCore_Main/src/de/steamwar/command/SubCommand.java

@@ -26,6 +26,9 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.*;
 import java.util.function.Function;
+import java.util.function.Predicate;
+
+import static de.steamwar.command.SWCommandUtils.*;
 
 class SubCommand {
 
@@ -33,18 +36,16 @@ class SubCommand {
     private Method method;
     String[] subCommand;
     TypeMapper<?>[] arguments;
+    private Predicate<CommandSender> commandSenderPredicate;
     private Function<CommandSender, ?> commandSenderFunction;
     Class<?> varArgType = null;
 
-    public SubCommand(SWCommand swCommand, Method method, String[] subCommand) {
-        this(swCommand, method, subCommand, new HashMap<>());
-    }
-
-    public SubCommand(SWCommand swCommand, Method method, String[] subCommand, Map<String, TypeMapper<?>> localTypeMapper) {
+    SubCommand(SWCommand swCommand, Method method, String[] subCommand, Map<String, TypeMapper<?>> localTypeMapper) {
         this.swCommand = swCommand;
         this.method = method;
 
         Parameter[] parameters = method.getParameters();
+        commandSenderPredicate = sender -> parameters[0].getType().isAssignableFrom(sender.getClass());
         commandSenderFunction = sender -> parameters[0].getType().cast(sender);
         this.subCommand = subCommand;
 
@@ -58,13 +59,13 @@ class SubCommand {
             }
 
             SWCommand.Mapper mapper = parameter.getAnnotation(SWCommand.Mapper.class);
-            if (clazz.isEnum() && mapper == null && !SWCommandUtils.MAPPER_FUNCTIONS.containsKey(clazz.getTypeName()) && !localTypeMapper.containsKey(clazz.getTypeName())) {
+            if (clazz.isEnum() && mapper == null && !MAPPER_FUNCTIONS.containsKey(clazz.getTypeName()) && !localTypeMapper.containsKey(clazz.getTypeName())) {
                 Class<Enum<?>> enumClass = (Class<Enum<?>>) clazz;
                 List<String> tabCompletes = new ArrayList<>();
                 for (Enum<?> enumConstant : enumClass.getEnumConstants()) {
                     tabCompletes.add(enumConstant.name().toLowerCase());
                 }
-                arguments[i - 1] = SWCommandUtils.createMapper(s -> SWCommandUtils.ENUM_MAPPER.apply(enumClass, s), s -> tabCompletes);
+                arguments[i - 1] = SWCommandUtils.createMapper(s -> ENUM_MAPPER.apply(enumClass, s), s -> tabCompletes);
                 continue;
             }
 
@@ -72,11 +73,9 @@ class SubCommand {
             if (mapper != null) {
                 name = mapper.value();
             }
-            if (localTypeMapper.containsKey(name)) {
-                arguments[i - 1] = localTypeMapper.getOrDefault(name, SWCommandUtils.ERROR_FUNCTION);
-            } else {
-                arguments[i - 1] = SWCommandUtils.MAPPER_FUNCTIONS.getOrDefault(name, SWCommandUtils.ERROR_FUNCTION);
-            }
+            arguments[i - 1] = localTypeMapper.containsKey(name)
+                    ? localTypeMapper.get(name)
+                    : MAPPER_FUNCTIONS.getOrDefault(name, ERROR_FUNCTION);
         }
     }
 
@@ -88,7 +87,10 @@ class SubCommand {
             return false;
         }
         try {
-            Object[] objects = SWCommandUtils.generateArgumentArray(arguments, args, varArgType, subCommand);
+            if (!commandSenderPredicate.test(commandSender)) {
+                return false;
+            }
+            Object[] objects = SWCommandUtils.generateArgumentArray(commandSender, arguments, args, varArgType, subCommand);
             objects[0] = commandSenderFunction.apply(commandSender);
             method.setAccessible(true);
             method.invoke(swCommand, objects);
@@ -114,9 +116,11 @@ class SubCommand {
         }
         for (TypeMapper<?> argument : arguments) {
             String s = argsList.remove(0);
-            if (argsList.isEmpty()) return argument.tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
+            if (argsList.isEmpty()) {
+                return argument.tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
+            }
             try {
-                if (argument.map(Arrays.copyOf(args, index), s) == null) {
+                if (argument.map(commandSender, Arrays.copyOf(args, index), s) == null) {
                     return null;
                 }
             } catch (Exception e) {
@@ -127,9 +131,11 @@ class SubCommand {
         if (varArgType != null && !argsList.isEmpty()) {
             while (!argsList.isEmpty()) {
                 String s = argsList.remove(0);
-                if (argsList.isEmpty()) return arguments[arguments.length - 1].tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
+                if (argsList.isEmpty()) {
+                    return arguments[arguments.length - 1].tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
+                }
                 try {
-                    if (arguments[arguments.length - 1].map(Arrays.copyOf(args, index), s) == null) {
+                    if (arguments[arguments.length - 1].map(commandSender, Arrays.copyOf(args, index), s) == null) {
                         return null;
                     }
                 } catch (Exception e) {

SpigotCore_Main/src/de/steamwar/command/TypeMapper.java

@@ -24,7 +24,15 @@ import org.bukkit.command.CommandSender;
 import java.util.List;
 
 public interface TypeMapper<T> {
-    T map(String[] previousArguments, String s);
+    default T map(CommandSender commandSender, String[] previousArguments, String s) {
+        return map(previousArguments, s);
+    }
+
+    // For backwards compatibility, can be removed later on
+    @Deprecated(since = "Use the other map Function without calling super!")
+    default T map(String[] previousArguments, String s) {
+        throw new SecurityException();
+    }
 
     List<String> tabCompletes(CommandSender commandSender, String[] previousArguments, String s);
 }

SpigotCore_Main/src/de/steamwar/core/Core.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.core;
 
+import de.steamwar.authlib.AuthlibInjector;
 import de.steamwar.comms.BungeeReceiver;
 import de.steamwar.core.events.ChattingEvent;
 import de.steamwar.core.events.ChunkListener;
@@ -64,6 +65,7 @@ public class Core extends JavaPlugin{
 			ErrorLogger.init();
 		getServer().getMessenger().registerIncomingPluginChannel(this, "sw:bridge", new BungeeReceiver());
 		getServer().getMessenger().registerOutgoingPluginChannel(this, "sw:bridge");
+		AuthlibInjector.inject();
 	}
 
 	@Override

SpigotCore_Main/src/de/steamwar/sql/Team.java

@@ -28,21 +28,19 @@ public class Team {
     private final int teamId;
     private final String teamKuerzel;
     private final String teamName;
-    private final int teamLeader;
     private final String teamColor;
 
-    private static final Team pub = new Team(0, "PUB", "Öffentlich", 0, "8");
+    private static final Team pub = new Team(0, "PUB", "Öffentlich", "8");
 
-    private Team(int teamId, String teamKuerzel, String teamName, int teamLeader, String teamColor){
+    private Team(int teamId, String teamKuerzel, String teamName, String teamColor){
         this.teamId = teamId;
         this.teamKuerzel = teamKuerzel;
         this.teamName = teamName;
-        this.teamLeader = teamLeader;
         this.teamColor = teamColor;
     }
 
     private Team(ResultSet rs) throws SQLException {
-        this(rs.getInt("TeamID"), rs.getString("TeamKuerzel"), rs.getString("TeamName"), rs.getInt("TeamLeader"), rs.getString("TeamColor"));
+        this(rs.getInt("TeamID"), rs.getString("TeamKuerzel"), rs.getString("TeamName"), rs.getString("TeamColor"));
     }
 
     public static Team get(int id){
@@ -70,10 +68,6 @@ public class Team {
         return teamName;
     }
 
-    public int getTeamLeader() {
-        return teamLeader;
-    }
-
     public String getTeamColor() {
         return teamColor;
     }

SpigotCore_Main/src/de/steamwar/sql/UserConfig.java

@@ -0,0 +1,68 @@
+/*
+ * 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.sql;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.UUID;
+
+public class UserConfig {
+
+    private UserConfig() {
+
+    }
+
+    public static String getConfig(UUID player, String config) {
+        return getConfig(SteamwarUser.get(player).getId(), config);
+    }
+
+    public static String getConfig(int player, String config) {
+        ResultSet configResult = SQL.select("SELECT * FROM UserConfig WHERE User = ? AND Config = ?", player, config);
+        try {
+            if (!configResult.next()) {
+                return null;
+            }
+            return configResult.getString("Value");
+        } catch (SQLException e) {
+            throw new SecurityException(e.getMessage(), e);
+        }
+    }
+
+    public static void updatePlayerConfig(UUID uuid, String config, String value) {
+        updatePlayerConfig(SteamwarUser.get(uuid).getId(), config, value);
+    }
+
+    public static void updatePlayerConfig(int id, String config, String value) {
+        if (value == null) {
+            removePlayerConfig(id, config);
+            return;
+        }
+        SQL.update("INSERT INTO UserConfig (User, Config, Value) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE Value = VALUES(Value)", id, config, value);
+    }
+
+    public static void removePlayerConfig(UUID uuid, String config) {
+        removePlayerConfig(SteamwarUser.get(uuid).getId(), config);
+    }
+
+    public static void removePlayerConfig(int id, String config) {
+        SQL.update("DELETE FROM UserConfig WHERE User = ? AND Config = ?", id, config);
+    }
+
+}