Initial commit

src/main/java/com/alttd/PlotPermissions.java

@@ -0,0 +1,29 @@
+package com.alttd;
+
+import com.alttd.commands.CommandManager;
+import com.alttd.config.Config;
+import com.alttd.util.Logger;
+import org.bukkit.plugin.java.JavaPlugin;
+
+public class PlotPermissions extends JavaPlugin {
+    public static PlotPermissions instance;
+
+    public static PlotPermissions getInstance() {
+        return instance;
+    }
+
+    @Override
+    public void onLoad() {
+        instance = this;
+    }
+
+    @Override
+    public void onEnable() {
+        Config.reload();
+        new CommandManager();
+        Logger.info("--------------------------------------------------");
+        Logger.info("Altitude Plot Permissions started");
+        Logger.info("--------------------------------------------------");
+    }
+
+}

src/main/java/com/alttd/commands/CommandManager.java

@@ -0,0 +1,117 @@
+package com.alttd.commands;
+
+import com.alttd.PlotPermissions;
+import com.alttd.commands.subcommands.Add;
+import com.alttd.commands.subcommands.Help;
+import com.alttd.commands.subcommands.Info;
+import com.alttd.commands.subcommands.Remove;
+import com.alttd.config.Config;
+import com.alttd.util.Logger;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.Template;
+import net.kyori.adventure.text.minimessage.template.TemplateResolver;
+import org.bukkit.command.*;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+public class CommandManager implements CommandExecutor, TabExecutor {
+    private final List<SubCommand> subCommands;
+    private final MiniMessage miniMessage = MiniMessage.miniMessage();
+
+    public CommandManager() {
+        PlotPermissions plotPermissions = PlotPermissions.getInstance();
+
+        PluginCommand command = plotPermissions.getCommand("plotp");
+        if (command == null) {
+            subCommands = null;
+            Logger.severe("Unable to find PlotPermissions command.");
+            return;
+        }
+        command.setExecutor(this);
+        command.setTabCompleter(this);
+
+        subCommands = Arrays.asList(
+                new Help(this),
+                new Info(),
+                new Add(),
+                new Remove()
+        );
+    }
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String cmd, @NotNull String[] args) {
+        if (!commandSender.hasPermission("plotpermissions.use")) {
+            commandSender.sendMiniMessage(Config.NO_PERMISSION, null);
+            return true;
+        }
+        if (args.length == 0) {
+            getHelpMessage(commandSender);
+            return true;
+        }
+
+        Optional<SubCommand> first = subCommands.stream()
+                .filter(subCommand -> subCommand.getName().equalsIgnoreCase(args[0]))
+                .findFirst();
+        if (first.isEmpty()) {
+            commandSender.sendMessage(getHelpMessage(commandSender));
+            return true;
+        }
+        SubCommand subCommand = first.get();
+        if (commandSender.hasPermission(subCommand.getPermission()))
+            return subCommand.onCommand(commandSender, args);
+        else
+            commandSender.sendMiniMessage(Config.NO_PERMISSION, null);
+        return true;
+    }
+
+    @Override
+    public @Nullable List<String> onTabComplete(@NotNull CommandSender commandSender, @NotNull Command command, @NotNull String cmd, @NotNull String[] args) {
+        List<String> res = new ArrayList<>();
+
+        if (args.length <= 1) {
+            res.addAll(subCommands.stream()
+                    .filter(subCommand -> commandSender.hasPermission(subCommand.getPermission()))
+                    .map(SubCommand::getName)
+                    .filter(name -> args.length == 0 || name.startsWith(args[0]))
+                    .collect(Collectors.toList())
+            );
+        } else {
+            SubCommand subCommand = getSubCommand(args[0]);
+            if (subCommand != null && commandSender.hasPermission(subCommand.getPermission()))
+                res.addAll(subCommand.getTabComplete(commandSender, args));
+        }
+        return res;
+    }
+
+    public List<SubCommand> getSubCommands() {
+        return subCommands;
+    }
+
+    private SubCommand getSubCommand(String cmdName) {
+        return subCommands.stream()
+                .filter(subCommand -> subCommand.getName().equals(cmdName))
+                .findFirst()
+                .orElse(null);
+    }
+
+    public Component getHelpMessage(CommandSender commandSender) {
+        StringBuilder stringBuilder = new StringBuilder();
+
+        subCommands.stream()
+                .filter(subCommand -> commandSender.hasPermission(subCommand.getPermission()))
+                .forEach(subCommand -> stringBuilder.append(subCommand.getHelpMessage()).append("\n"));
+        if (stringBuilder.length() != 0)
+            stringBuilder.replace(stringBuilder.length() - 1, stringBuilder.length(), "");
+
+        return miniMessage.deserialize(Config.HELP_MESSAGE_WRAPPER, TemplateResolver.resolving(
+                Template.template("commands", miniMessage.deserialize(stringBuilder.toString()))
+        ));
+    }
+}

src/main/java/com/alttd/commands/SubCommand.java

@@ -0,0 +1,31 @@
+package com.alttd.commands;
+
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.command.CommandSender;
+
+import java.util.List;
+
+public abstract class SubCommand {
+
+    private final MiniMessage miniMessage;
+
+    public SubCommand() {
+        miniMessage = MiniMessage.miniMessage();
+    }
+
+    public abstract boolean onCommand(CommandSender commandSender, String[] args);
+
+    public abstract String getName();
+
+    public String getPermission() {
+        return "apart." + getName();
+    }
+
+    public abstract List<String> getTabComplete(CommandSender commandSender, String[] args);
+
+    public abstract String getHelpMessage();
+
+    protected MiniMessage getMiniMessage() {
+        return miniMessage;
+    }
+}

src/main/java/com/alttd/commands/subcommands/Add.java

@@ -0,0 +1,85 @@
+package com.alttd.commands.subcommands;
+
+import com.alttd.commands.SubCommand;
+import com.alttd.config.Config;
+import com.alttd.util.API;
+import com.alttd.util.Utility;
+import net.kyori.adventure.text.minimessage.Template;
+import net.luckperms.api.LuckPerms;
+import net.luckperms.api.model.user.User;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Add extends SubCommand {
+    @Override
+    public boolean onCommand(CommandSender commandSender, String[] args) {
+        if (args.length != 4) {
+            commandSender.sendMiniMessage(getHelpMessage(), null);
+            return true;
+        }
+        OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayerIfCached(args[1]);
+        if (offlinePlayer == null || !offlinePlayer.hasPlayedBefore()) {
+            commandSender.sendMiniMessage(Config.INVALID_USER, List.of(
+                    Template.template("player", args[1])
+            ));
+            return true;
+        }
+        LuckPerms luckperms = API.getLuckperms();
+        User user = luckperms.getUserManager().getUser(offlinePlayer.getUniqueId());
+        if (user == null) {
+            commandSender.sendMiniMessage(Config.INVALID_USER, List.of(
+                    Template.template("player", args[1])
+            ));
+            return true;
+        }
+        World world = Bukkit.getWorld(args[2]);
+        if (world == null) {
+            commandSender.sendMiniMessage(Config.INVALID_WORLD, List.of(
+                    Template.template("world", args[2])
+            ));
+            return true;
+        }
+        int plus;
+        try {
+            plus = Integer.parseInt(args[3]);
+        } catch (NumberFormatException exception) {
+            commandSender.sendMiniMessage(getHelpMessage(), null);
+            return true;
+        }
+        int maxPlots = Utility.getMaxPlots(user, args[2]);
+        Utility.removePlotPerms(user, world.getName());
+        Utility.setPlotAmount(user, world.getName(), maxPlots + plus);
+        commandSender.sendMiniMessage(Config.SET_PLOT_AMOUNT, List.of(
+                Template.template("player", offlinePlayer.getName() == null ? args[1] : offlinePlayer.getName()),
+                Template.template("amount", String.valueOf(maxPlots + plus))
+        ));
+        return true;
+    }
+
+    @Override
+    public String getName() {
+        return "add";
+    }
+
+    @Override
+    public List<String> getTabComplete(CommandSender commandSender, String[] args) {
+        ArrayList<String> suggests = new ArrayList<>();
+        if (args.length <= 2)
+            suggests.addAll(Bukkit.getOnlinePlayers().stream().map(Player::getName).collect(Collectors.toList()));
+        else if (args.length == 3)
+            suggests.addAll(Bukkit.getWorlds().stream().map(World::getName).collect(Collectors.toList()));
+        return suggests;
+    }
+
+    @Override
+    public String getHelpMessage() {
+        return Config.HELP_ADD_PLOTS;
+    }
+}

src/main/java/com/alttd/commands/subcommands/Help.java

@@ -0,0 +1,39 @@
+package com.alttd.commands.subcommands;
+
+import com.alttd.commands.CommandManager;
+import com.alttd.commands.SubCommand;
+import com.alttd.config.Config;
+import org.bukkit.command.CommandSender;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Help extends SubCommand {
+
+    CommandManager commandManager;
+
+    public Help(CommandManager commandManager) {
+        this.commandManager = commandManager;
+    }
+
+    @Override
+    public boolean onCommand(CommandSender commandSender, String[] args) {
+        commandSender.sendMessage(commandManager.getHelpMessage(commandSender));
+        return true;
+    }
+
+    @Override
+    public String getName() {
+        return "help";
+    }
+
+    @Override
+    public List<String> getTabComplete(CommandSender commandSender, String[] args) {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public String getHelpMessage() {
+        return Config.HELP_MESSAGE;
+    }
+}

src/main/java/com/alttd/commands/subcommands/Info.java

@@ -0,0 +1,77 @@
+package com.alttd.commands.subcommands;
+
+import com.alttd.commands.SubCommand;
+import com.alttd.config.Config;
+import com.alttd.util.API;
+import com.alttd.util.Utility;
+import net.kyori.adventure.text.minimessage.Template;
+import net.luckperms.api.LuckPerms;
+import net.luckperms.api.model.user.User;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Info extends SubCommand {
+    @Override
+    public boolean onCommand(CommandSender commandSender, String[] args) {
+        if (args.length != 3) {
+            commandSender.sendMiniMessage(getHelpMessage(), null);
+            return true;
+        }
+        OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayerIfCached(args[1]);
+        if (offlinePlayer == null || !offlinePlayer.hasPlayedBefore()) {
+            commandSender.sendMiniMessage(Config.INVALID_USER, List.of(
+                    Template.template("player", args[1])
+            ));
+            return true;
+        }
+        LuckPerms luckperms = API.getLuckperms();
+        User user = luckperms.getUserManager().getUser(offlinePlayer.getUniqueId());
+        if (user == null) {
+            commandSender.sendMiniMessage(Config.INVALID_USER, List.of(
+                    Template.template("player", args[1])
+            ));
+            return true;
+        }
+        World world = Bukkit.getWorld(args[2]);
+        if (world == null) {
+            commandSender.sendMiniMessage(Config.INVALID_WORLD, List.of(
+                    Template.template("world", args[2])
+            ));
+            return true;
+        }
+        int maxPlots = Utility.getMaxPlots(user, world.getName());
+        commandSender.sendMiniMessage(Config.PLAYER_MAX_PLOTS, List.of(
+                Template.template("player", offlinePlayer.getName() == null ? args[1] : offlinePlayer.getName()),
+                Template.template("plots", String.valueOf(maxPlots)),
+                Template.template("world", world.getName())
+                ));
+        return true;
+    }
+
+    @Override
+    public String getName() {
+        return "info";
+    }
+
+    @Override
+    public List<String> getTabComplete(CommandSender commandSender, String[] args) {
+        ArrayList<String> suggests = new ArrayList<>();
+        if (args.length <= 2)
+            suggests.addAll(Bukkit.getOnlinePlayers().stream().map(Player::getName).collect(Collectors.toList()));
+        else if (args.length == 3)
+            suggests.addAll(Bukkit.getWorlds().stream().map(World::getName).collect(Collectors.toList()));
+        return suggests;
+    }
+
+    @Override
+    public String getHelpMessage() {
+        return Config.HELP_INFO;
+    }
+}

src/main/java/com/alttd/commands/subcommands/Reload.java

@@ -0,0 +1,32 @@
+package com.alttd.commands.subcommands;
+
+import com.alttd.commands.SubCommand;
+import com.alttd.config.Config;
+import org.bukkit.command.CommandSender;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Reload extends SubCommand {
+    @Override
+    public boolean onCommand(CommandSender commandSender, String[] args) {
+        Config.reload();
+        commandSender.sendMiniMessage("<green>Reloaded PlotPermission config</green>", null);
+        return true;
+    }
+
+    @Override
+    public String getName() {
+        return "reload";
+    }
+
+    @Override
+    public List<String> getTabComplete(CommandSender commandSender, String[] args) {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public String getHelpMessage() {
+        return Config.RELOAD_HELP_MESSAGE;
+    }
+}

src/main/java/com/alttd/commands/subcommands/Remove.java

@@ -0,0 +1,89 @@
+package com.alttd.commands.subcommands;
+
+import com.alttd.commands.SubCommand;
+import com.alttd.config.Config;
+import com.alttd.util.API;
+import com.alttd.util.Utility;
+import net.kyori.adventure.text.minimessage.Template;
+import net.luckperms.api.LuckPerms;
+import net.luckperms.api.model.user.User;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.World;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Remove extends SubCommand {
+    @Override
+    public boolean onCommand(CommandSender commandSender, String[] args) {
+        if (args.length != 4) {
+            commandSender.sendMiniMessage(getHelpMessage(), null);
+            return true;
+        }
+        OfflinePlayer offlinePlayer = Bukkit.getOfflinePlayerIfCached(args[1]);
+        if (offlinePlayer == null || !offlinePlayer.hasPlayedBefore()) {
+            commandSender.sendMiniMessage(Config.INVALID_USER, List.of(
+                    Template.template("player", args[1])
+            ));
+            return true;
+        }
+        LuckPerms luckperms = API.getLuckperms();
+        User user = luckperms.getUserManager().getUser(offlinePlayer.getUniqueId());
+        if (user == null) {
+            commandSender.sendMiniMessage(Config.INVALID_USER, List.of(
+                    Template.template("player", args[1])
+            ));
+            return true;
+        }
+        World world = Bukkit.getWorld(args[2]);
+        if (world == null) {
+            commandSender.sendMiniMessage(Config.INVALID_WORLD, List.of(
+                    Template.template("world", args[2])
+            ));
+            return true;
+        }
+        int minus;
+        try {
+            minus = Integer.parseInt(args[3]);
+        } catch (NumberFormatException exception) {
+            commandSender.sendMiniMessage(getHelpMessage(), null);
+            return true;
+        }
+        int maxPlots = Utility.getMaxPlots(user, args[2]);
+        Utility.removePlotPerms(user, world.getName());
+        int newTotal = maxPlots - minus;
+        if (newTotal > Config.DEFAULT_PLOTS)
+            Utility.setPlotAmount(user, world.getName(), newTotal);
+        else
+            newTotal = Config.DEFAULT_PLOTS;
+        commandSender.sendMiniMessage(Config.SET_PLOT_AMOUNT, List.of(
+                Template.template("player", offlinePlayer.getName() == null ? args[1] : offlinePlayer.getName()),
+                Template.template("amount", String.valueOf(newTotal))
+        ));
+        return true;
+    }
+
+    @Override
+    public String getName() {
+        return "remove";
+    }
+
+    @Override
+    public List<String> getTabComplete(CommandSender commandSender, String[] args) {
+        ArrayList<String> suggests = new ArrayList<>();
+        if (args.length <= 2)
+            suggests.addAll(Bukkit.getOnlinePlayers().stream().map(Player::getName).collect(Collectors.toList()));
+        else if (args.length == 3)
+            suggests.addAll(Bukkit.getWorlds().stream().map(World::getName).collect(Collectors.toList()));
+        return suggests;
+    }
+
+    @Override
+    public String getHelpMessage() {
+        return Config.HELP_REMOVE_PLOTS;
+    }
+}

src/main/java/com/alttd/config/AbstractConfig.java

@@ -0,0 +1,130 @@
+package com.alttd.config;
+
+import com.alttd.PlotPermissions;
+import com.alttd.util.Logger;
+import com.google.common.collect.ImmutableMap;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@SuppressWarnings({"unused", "SameParameterValue"})
+abstract class AbstractConfig {
+    File file;
+    YamlConfiguration yaml;
+
+    AbstractConfig(String filename) {
+        init(new File(PlotPermissions.getInstance().getDataFolder(), filename), filename);
+    }
+
+    AbstractConfig(File file, String filename) {
+        init(new File(file.getPath() + File.separator + filename), filename);
+    }
+
+    private void init(File file, String filename) {
+        this.file = file;
+        this.yaml = new YamlConfiguration();
+        try {
+            yaml.load(file);
+        } catch (IOException ignore) {
+        } catch (InvalidConfigurationException ex) {
+            Logger.severe(String.format("Could not load %s, please correct your syntax errors", filename));
+            throw new RuntimeException(ex);
+        }
+        yaml.options().copyDefaults(true);
+    }
+
+    void readConfig(Class<?> clazz, Object instance) {
+        for (Method method : clazz.getDeclaredMethods()) {
+            if (Modifier.isPrivate(method.getModifiers())) {
+                if (method.getParameterTypes().length == 0 && method.getReturnType() == Void.TYPE) {
+                    try {
+                        method.setAccessible(true);
+                        method.invoke(instance);
+                    } catch (InvocationTargetException ex) {
+                        throw new RuntimeException(ex.getCause());
+                    } catch (Exception ex) {
+                        Logger.severe("Error invoking %.", method.toString());
+                        ex.printStackTrace();
+                    }
+                }
+            }
+        }
+
+        save();
+    }
+
+    private void save() {
+        try {
+            yaml.save(file);
+        } catch (IOException ex) {
+            Logger.severe("Could not save %.", file.toString());
+            ex.printStackTrace();
+        }
+    }
+
+    void set(String path, Object val) {
+        yaml.addDefault(path, val);
+        yaml.set(path, val);
+        save();
+    }
+
+    String getString(String path, String def) {
+        yaml.addDefault(path, def);
+        return yaml.getString(path, yaml.getString(path));
+    }
+
+    boolean getBoolean(String path, boolean def) {
+        yaml.addDefault(path, def);
+        return yaml.getBoolean(path, yaml.getBoolean(path));
+    }
+
+    int getInt(String path, int def) {
+        yaml.addDefault(path, def);
+        return yaml.getInt(path, yaml.getInt(path));
+    }
+
+    double getDouble(String path, double def) {
+        yaml.addDefault(path, def);
+        return yaml.getDouble(path, yaml.getDouble(path));
+    }
+
+    <T> List<?> getList(String path, T def) {
+        yaml.addDefault(path, def);
+        return yaml.getList(path, yaml.getList(path));
+    }
+
+    @NonNull
+    <T> Map<String, T> getMap(final @NonNull String path, final @Nullable Map<String, T> def) {
+        final ImmutableMap.Builder<String, T> builder = ImmutableMap.builder();
+        if (def != null && yaml.getConfigurationSection(path) == null) {
+            yaml.addDefault(path, def.isEmpty() ? new HashMap<>() : def);
+            return def;
+        }
+        final ConfigurationSection section = yaml.getConfigurationSection(path);
+        if (section != null) {
+            for (String key : section.getKeys(false)) {
+                @SuppressWarnings("unchecked")
+                final T val = (T) section.get(key);
+                if (val != null) {
+                    builder.put(key, val);
+                }
+            }
+        }
+        return builder.build();
+    }
+
+    ConfigurationSection getConfigurationSection(String path) {
+        return yaml.getConfigurationSection(path);
+    }
+}

src/main/java/com/alttd/config/Config.java

@@ -0,0 +1,61 @@
+package com.alttd.config;
+
+public final class Config extends AbstractConfig {
+
+    static Config config;
+    static int version;
+    public Config() {
+        super("config.yml");
+    }
+
+    public static void reload() {
+        config = new Config();
+
+        version = config.getInt("config-version", 1);
+        config.set("config-version", 1);
+
+        config.readConfig(Config.class, null);
+    }
+
+    public static String HELP_MESSAGE_WRAPPER = "<gold>PlotPermissions help:\n<commands></gold>";
+    public static String HELP_MESSAGE = "<green>Show this menu: <gold>/plotp help</gold></green>";
+    public static String RELOAD_HELP_MESSAGE = "<green>Reload configs: <gold>/plotp reload</gold></green>";
+    public static String HELP_INFO = "<green>Show the amount of plots a user is allowed to have: <gold>/plotp info <player_name> <world_name></gold></green>";
+    public static String HELP_ADD_PLOTS = "<green>Add plots to the current total a user has: <gold>/plotp add <player_name> <world_name> <amount_to_add></gold></green>";
+    public static String HELP_REMOVE_PLOTS = "<green>Add plots to the current total a user has: <gold>/plotp remove <player_name> <world_name> <amount_to_remove></gold></green>";
+    public static String SET_PLOT_AMOUNT = "<green>Updated <player>'s plots to <amount>.";
+
+    private static void loadHelp() {
+        HELP_MESSAGE_WRAPPER = config.getString("help.help-wrapper", HELP_MESSAGE_WRAPPER);
+        HELP_MESSAGE = config.getString("help.help", HELP_MESSAGE);
+        RELOAD_HELP_MESSAGE = config.getString("help.reload", RELOAD_HELP_MESSAGE);
+        HELP_INFO = config.getString("help.info", HELP_INFO);
+        HELP_ADD_PLOTS = config.getString("help.help-add-plots", HELP_ADD_PLOTS);
+        HELP_REMOVE_PLOTS = config.getString("help.help-remove-plots", HELP_REMOVE_PLOTS);
+    }
+
+    public static String NO_PERMISSION = "<red>You do not have permission to do that.</red>";
+    public static String NO_CONSOLE = "<red>You cannot use this command from console.</red>";
+
+    private static void loadGeneric() {
+        NO_PERMISSION = config.getString("generic.no-permission", NO_PERMISSION);
+        NO_CONSOLE = config.getString("generic.no-console", NO_CONSOLE);
+    }
+
+    public static String INVALID_USER = "<red>Can't find anyone named <player></red>";
+    public static String PLAYER_MAX_PLOTS = "<green><player> is allowed to have <plots> plots in <world>.</green>";
+    public static String INVALID_WORLD = "<red>Invalid world: <world></red>";
+    private static void loadMessages() {
+        INVALID_USER = config.getString("messages.invalid-user", INVALID_USER);
+        PLAYER_MAX_PLOTS = config.getString("messages.player-max-plots", PLAYER_MAX_PLOTS);
+        INVALID_WORLD = config.getString("messages.invalid-world", INVALID_WORLD);
+    }
+
+    public static boolean DEBUG = false;
+    public static int DEFAULT_PLOTS = 4;
+
+    private static void loadSettings() {
+        DEBUG = config.getBoolean("settings.debug", DEBUG);
+        DEFAULT_PLOTS = config.getInt("settings.default-plots", DEFAULT_PLOTS);
+    }
+}

src/main/java/com/alttd/util/API.java

@@ -0,0 +1,15 @@
+package com.alttd.util;
+
+import net.luckperms.api.LuckPerms;
+import net.luckperms.api.LuckPermsProvider;
+
+public class API {
+
+    private static LuckPerms luckPerms;
+
+    public static LuckPerms getLuckperms() {
+        if(luckPerms == null)
+            luckPerms = LuckPermsProvider.get();
+        return luckPerms;
+    }
+}

src/main/java/com/alttd/util/Logger.java

@@ -0,0 +1,36 @@
+package com.alttd.util;
+
+import com.alttd.PlotPermissions;
+
+public class Logger {
+
+    static private final java.util.logging.Logger logger;
+
+    static {
+        logger = PlotPermissions.getInstance().getLogger();
+    }
+
+    public static void info(String info, String... variables)
+    {
+        for (String variable : variables) {
+            info = info.replaceFirst("%", variable);
+        }
+        logger.info(info);
+    }
+
+    public static void warning(String warning, String... variables)
+    {
+        for (String variable : variables) {
+            warning = warning.replaceFirst("%", variable);
+        }
+        logger.warning(warning);
+    }
+
+    public static void severe(String severe, String... variables)
+    {
+        for (String variable : variables) {
+            severe = severe.replaceFirst("%", variable);
+        }
+        logger.severe(severe);
+    }
+}

src/main/java/com/alttd/util/Utility.java

@@ -0,0 +1,62 @@
+package com.alttd.util;
+
+import com.alttd.config.Config;
+import net.luckperms.api.context.DefaultContextKeys;
+import net.luckperms.api.context.ImmutableContextSet;
+import net.luckperms.api.model.user.User;
+import net.luckperms.api.node.Node;
+import net.luckperms.api.node.NodeType;
+import net.luckperms.api.node.types.PermissionNode;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Optional;
+
+public class Utility {
+    public static int getMaxPlots(@NotNull User user, String world) {
+        int maxPlots = Config.DEFAULT_PLOTS;
+        Optional<Integer> max = user.getNodes(NodeType.PERMISSION).stream()
+                .filter(Node::getValue)
+                .filter(permissionNode -> permissionNode.getContexts().isSatisfiedBy(ImmutableContextSet.builder()
+                        .add(DefaultContextKeys.SERVER_KEY, "creative")
+                        .add(DefaultContextKeys.WORLD_KEY, world)
+                        .build()))
+                .filter(permissionNode -> permissionNode.getPermission().startsWith("plots.plot."))
+                .map(permissionNode -> {
+                    if (permissionNode.isWildcard())
+                        return Integer.MAX_VALUE;
+                    try {
+                        return Integer.parseInt(permissionNode.getPermission().substring(11));
+                    } catch (NumberFormatException exception) {
+                        Logger.warning("Found invalid plots permission on %.", user.getUsername());
+                    }
+                    return 0;
+                })
+                .max(Integer::compare);
+        if (max.isPresent())
+            maxPlots = max.get();
+        return maxPlots;
+    }
+
+    public static void removePlotPerms(@NotNull User user, String world) {
+        user.getNodes(NodeType.PERMISSION).stream()
+                .filter(Node::getValue)
+                .filter(permissionNode -> permissionNode.getContexts().isSatisfiedBy(ImmutableContextSet.builder()
+                        .add(DefaultContextKeys.SERVER_KEY, "creative")
+                        .add(DefaultContextKeys.WORLD_KEY, world)
+                        .build()))
+                .filter(permissionNode -> permissionNode.getPermission().startsWith("plots.plot."))
+                .forEach(permissionNode -> user.data().remove(permissionNode));
+        API.getLuckperms().getUserManager().saveUser(user);
+    }
+
+    public static void setPlotAmount(@NotNull User user, String world, int amount) {
+        PermissionNode permission = PermissionNode.builder("plots.plot." + amount)
+                .withContext(ImmutableContextSet.builder()
+                        .add(DefaultContextKeys.SERVER_KEY, "creative")
+                        .add(DefaultContextKeys.WORLD_KEY, world)
+                        .build())
+                .build();
+        user.data().add(permission);
+        API.getLuckperms().getUserManager().saveUser(user);
+    }
+}

src/main/resources/plugin.yml

@@ -0,0 +1,9 @@
+name: PlotPermissions
+version: ${project.version}
+main: com.alttd.PlotPermissions
+api-version: 1.18
+authors: [Teriuihi]
+depend: [LuckPerms]
+commands:
+  plotp:
+    permission: plotpermissions.use