implement Bukkit-specific commands

common/src/main/resources/lang/en_us.yml

@@ -112,7 +112,7 @@ warning:
 error:
   severe-config: "A severe configuration error has prevented Terra from properly generating terrain at coordinates: %1$s, %2$s. Please check your configuration for errors. Any config errors will have been reported above."
 debug:
-  data-save: "Saved population data for world \"%s\""
+  data-save : "Saved population data."
 use-paper:
   - "You appear to be using Spigot/CraftBukkit."
   - "While Terra &odoes&r work on Spigot, some functionality will be lost. (Terra is untested on CraftBukkit; no support will be given for CraftBukkit)."

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/TerraBukkitPlugin.java

@@ -23,6 +23,8 @@ import com.dfsek.terra.api.util.logging.JavaLogger;
 import com.dfsek.terra.api.util.logging.Logger;
 import com.dfsek.terra.api.world.generation.TerraChunkGenerator;
 import com.dfsek.terra.bukkit.command.BukkitCommandAdapter;
+import com.dfsek.terra.bukkit.command.FixChunkCommand;
+import com.dfsek.terra.bukkit.command.SaveDataCommand;
 import com.dfsek.terra.bukkit.generator.BukkitChunkGeneratorWrapper;
 import com.dfsek.terra.bukkit.handles.BukkitItemHandle;
 import com.dfsek.terra.bukkit.handles.BukkitWorldHandle;
@@ -178,6 +180,8 @@ public class TerraBukkitPlugin extends JavaPlugin implements TerraPlugin {
 
         try {
             CommandUtil.registerAll(manager);
+            manager.register("save-data", SaveDataCommand.class);
+            manager.register("fix-chunk", FixChunkCommand.class);
         } catch(MalformedCommandException e) { // This should never happen.
             logger().severe("Errors occurred while registering commands.");
             e.printStackTrace();

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/Command.java

@@ -1,113 +0,0 @@
-package com.dfsek.terra.bukkit.command;
-
-import com.dfsek.terra.api.TerraPlugin;
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.command.TabCompleter;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-/**
- * Represents a command or subcommands, can be nested via getSubCommands.
- */
-public abstract class Command implements CommandExecutor, TabCompleter {
-    private final TerraPlugin main;
-    public Command(TerraPlugin main) {
-        this.main = main;
-    }
-    public Command(Command parent) {
-        main = parent.getMain();
-    }
-
-    public TerraPlugin getMain() {
-        return main;
-    }
-
-    /**
-     * Gets the name of the command/subcommands
-     *
-     * @return Name of command
-     */
-    public abstract String getName();
-
-    /**
-     * Gets a list of subcommands
-     * @return List of subcommands
-     */
-    public abstract List<Command> getSubCommands();
-
-    /**
-     * Executes the given command, returning its success.
-     * <br>
-     * If false is returned, then the "usage" plugin.yml entry for this command
-     * (if defined) will be sent to the player.
-     *
-     * @param sender Source of the command
-     * @param command CommandTemplate which was executed
-     * @param label Alias of the command which was used
-     * @param args Passed command arguments
-     * @return true if a valid command, otherwise false
-     */
-
-    public abstract boolean execute(@NotNull CommandSender sender, @NotNull org.bukkit.command.Command command, @NotNull String label, @NotNull String[] args);
-    /**
-     * Gets the number of arguments
-     * @return Number of arguments
-     */
-    public abstract int arguments();
-
-    /**
-     * Executes the given command, invoking subcommands if applicable and returning its success.
-     * <br>
-     * If false is returned, then the "usage" plugin.yml entry for this command
-     * (if defined) will be sent to the player.
-     *
-     * @param sender Source of the command
-     * @param command CommandTemplate which was executed
-     * @param label Alias of the command which was used
-     * @param args Passed command arguments
-     * @return true if a valid command, otherwise false
-     */
-    @Override
-    public final boolean onCommand(@NotNull CommandSender sender, @NotNull org.bukkit.command.Command command, @NotNull String label, @NotNull String[] args) {
-        if(this instanceof DebugCommand && ! main.isDebug()) {
-            main.getLanguage().send("command.debug-only", new BukkitCommandSender(sender));
-            return true;
-        }
-        if(args.length > 0) {
-            for(Command c : getSubCommands()) {
-                if(c.getName().equals(args[0])) {
-                    return c.onCommand(sender, command, label, Arrays.stream(args, 1, args.length).toArray(String[]::new));
-                }
-            }
-            if(args.length != arguments()) {
-                main.getLanguage().send("command.invalid", new BukkitCommandSender(sender), String.valueOf(arguments()), String.valueOf(args.length));
-                return true;
-            }
-            return execute(sender, command, label, args);
-        }
-        if(args.length != arguments()) {
-            main.getLanguage().send("command.invalid", new BukkitCommandSender(sender), String.valueOf(arguments()), String.valueOf(args.length));
-            return true;
-        }
-        return execute(sender, command, label, new String[] {});
-    }
-
-    public abstract List<String> getTabCompletions(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args);
-
-    @Override
-    public final @Nullable List<String> onTabComplete(@NotNull CommandSender sender, org.bukkit.command.@NotNull Command command, @NotNull String alias, @NotNull String[] args) {
-        List<String> complete = new ArrayList<>();
-        if(args.length > 0) for(Command c : getSubCommands()) {
-            if(c.getName().startsWith(args[0])) complete.add(c.getName());
-            if(c.getName().equals(args[0])) return c.onTabComplete(sender, command, alias, Arrays.stream(args, 1, args.length).toArray(String[]::new));
-        }
-        complete.addAll(getTabCompletions(sender, alias, args));
-        return complete;
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/DebugCommand.java

@@ -1,8 +0,0 @@
-package com.dfsek.terra.bukkit.command;
-
-/**
- * Implementing this interface marks a command as debug-only.
- * If a parent command implements this interface, all child commands will be considered debug commands, regardless of whether they implement DebugCommand as well.
- */
-public interface DebugCommand {
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/FixChunkCommand.java

@@ -0,0 +1,20 @@
+package com.dfsek.terra.bukkit.command;
+
+import com.dfsek.terra.api.command.CommandTemplate;
+import com.dfsek.terra.api.command.annotation.Command;
+import com.dfsek.terra.api.command.annotation.type.PlayerCommand;
+import com.dfsek.terra.api.command.annotation.type.WorldCommand;
+import com.dfsek.terra.api.platform.CommandSender;
+import com.dfsek.terra.api.platform.entity.Player;
+import com.dfsek.terra.bukkit.generator.BukkitChunkGeneratorWrapper;
+
+@Command
+@WorldCommand
+@PlayerCommand
+public class FixChunkCommand implements CommandTemplate {
+    @Override
+    public void execute(CommandSender sender) {
+        Player player = (Player) sender;
+        BukkitChunkGeneratorWrapper.fixChunk(player.getWorld().getChunkAt(player.getLocation()));
+    }
+}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/PlayerCommand.java

@@ -1,51 +0,0 @@
-package com.dfsek.terra.bukkit.command;
-
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * A command that may only be executed by a player. If executor is not a player, a message will be displayed and no action will be performed.
- */
-public abstract class PlayerCommand extends Command {
-    public PlayerCommand(Command parent) {
-        super(parent);
-    }
-
-    /**
-     * Executes the given command, returning its success.
-     * <br>
-     * If false is returned, then the "usage" plugin.yml entry for this command
-     * (if defined) will be sent to the player.
-     *
-     * @param sender  Source of the command
-     * @param command CommandTemplate which was executed
-     * @param label   Alias of the command which was used
-     * @param args    Passed command arguments
-     * @return true if a valid command, otherwise false
-     */
-    @Override
-    public final boolean execute(@NotNull CommandSender sender, org.bukkit.command.@NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        if(!(sender instanceof Player)) {
-            getMain().getLanguage().send("command.players-only", new BukkitCommandSender(sender));
-            return true;
-        }
-        Player p = (Player) sender;
-        return execute(p, command, label, args);
-    }
-
-    /**
-     * Executes the given command, returning its success.
-     * <br>
-     * If false is returned, then the "usage" plugin.yml entry for this command
-     * (if defined) will be sent to the player.
-     *
-     * @param sender Player that executed command
-     * @param command CommandTemplate which was executed
-     * @param label Alias of the command which was used
-     * @param args Passed command arguments
-     * @return true if a valid command, otherwise false
-     */
-    public abstract boolean execute(@NotNull Player sender, org.bukkit.command.@NotNull Command command, @NotNull String label, @NotNull String[] args);
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/SaveDataCommand.java

@@ -0,0 +1,16 @@
+package com.dfsek.terra.bukkit.command;
+
+import com.dfsek.terra.api.command.CommandTemplate;
+import com.dfsek.terra.api.command.annotation.Command;
+import com.dfsek.terra.api.platform.CommandSender;
+import com.dfsek.terra.bukkit.generator.BukkitChunkGeneratorWrapper;
+import com.dfsek.terra.config.lang.LangUtil;
+
+@Command
+public class SaveDataCommand implements CommandTemplate {
+    @Override
+    public void execute(CommandSender sender) {
+        BukkitChunkGeneratorWrapper.saveAll();
+        LangUtil.send("debug.data-save", sender);
+    }
+}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/WorldCommand.java

@@ -1,53 +0,0 @@
-package com.dfsek.terra.bukkit.command;
-
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import org.bukkit.World;
-import org.bukkit.entity.Player;
-import org.bukkit.generator.ChunkGenerator;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * A command that must be executed by a player, in a Terra world.
- */
-public abstract class WorldCommand extends PlayerCommand {
-    public WorldCommand(Command parent) {
-        super(parent);
-    }
-
-    /**
-     * Executes the given command, returning its success.
-     * <br>
-     * If false is returned, then the "usage" plugin.yml entry for this command
-     * (if defined) will be sent to the player.
-     *
-     * @param sender Source of the command
-     * @param command Command which was executed
-     * @param label Alias of the command which was used
-     * @param args Passed command arguments
-     * @return true if a valid command, otherwise false
-     */
-    @Override
-    public boolean execute(@NotNull Player sender, org.bukkit.command.@NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        if(sender.getWorld().getGenerator() instanceof ChunkGenerator) { // TODO: implementation
-            return execute(sender, command, label, args, sender.getWorld());
-        } else {
-            getMain().getLanguage().send("command.world", new BukkitCommandSender(sender));
-        }
-        return true;
-    }
-
-    /**
-     * Executes the given command, returning its success.
-     * <br>
-     * If false is returned, then the "usage" plugin.yml entry for this command
-     * (if defined) will be sent to the player.
-     *
-     * @param sender Player that executed command
-     * @param command Command which was executed
-     * @param label Alias of the command which was used
-     * @param args Passed command arguments
-     * @param world World in which command was executed
-     * @return true if a valid command, otherwise false
-     */
-    public abstract boolean execute(@NotNull Player sender, @NotNull org.bukkit.command.Command command, @NotNull String label, @NotNull String[] args, World world);
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/FixChunkCommand.java

@@ -1,45 +0,0 @@
-package com.dfsek.terra.bukkit.command.command;
-
-import com.dfsek.terra.bukkit.command.WorldCommand;
-import com.dfsek.terra.bukkit.generator.BukkitChunkGeneratorWrapper;
-import com.dfsek.terra.bukkit.world.BukkitAdapter;
-import org.bukkit.World;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Collections;
-import java.util.List;
-
-public class FixChunkCommand extends WorldCommand {
-    public FixChunkCommand(com.dfsek.terra.bukkit.command.Command parent) {
-        super(parent);
-    }
-
-    @Override
-    public boolean execute(@NotNull Player player, @NotNull Command command, @NotNull String s, @NotNull String[] strings, World world) {
-        BukkitChunkGeneratorWrapper.fixChunk(BukkitAdapter.adapt(player.getLocation().getChunk()));
-        return true;
-    }
-
-    @Override
-    public String getName() {
-        return "fixchunk";
-    }
-
-    @Override
-    public List<com.dfsek.terra.bukkit.command.Command> getSubCommands() {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public int arguments() {
-        return 0;
-    }
-
-    @Override
-    public List<String> getTabCompletions(@NotNull CommandSender commandSender, @NotNull String s, @NotNull String[] strings) {
-        return Collections.emptyList();
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/SaveDataCommand.java

@@ -1,47 +0,0 @@
-package com.dfsek.terra.bukkit.command.command;
-
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import com.dfsek.terra.bukkit.command.Command;
-import com.dfsek.terra.bukkit.command.WorldCommand;
-import com.dfsek.terra.bukkit.generator.BukkitChunkGeneratorWrapper;
-import com.dfsek.terra.config.lang.LangUtil;
-import org.bukkit.World;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Collections;
-import java.util.List;
-
-public class SaveDataCommand extends WorldCommand {
-    public SaveDataCommand(Command parent) {
-        super(parent);
-    }
-
-    @Override
-    public String getName() {
-        return "save-data";
-    }
-
-    @Override
-    public List<Command> getSubCommands() {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public int arguments() {
-        return 0;
-    }
-
-    @Override
-    public List<String> getTabCompletions(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public boolean execute(@NotNull Player sender, org.bukkit.command.@NotNull Command command, @NotNull String label, @NotNull String[] args, World w) {
-        BukkitChunkGeneratorWrapper.saveAll();
-        LangUtil.send("debug.data-save", new BukkitCommandSender(sender), w.getName());
-        return true;
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/DeformedSphereCommand.java

@@ -1,75 +0,0 @@
-package com.dfsek.terra.bukkit.command.command.geometry;
-
-import com.dfsek.terra.api.math.noise.samplers.noise.simplex.OpenSimplex2Sampler;
-import com.dfsek.terra.api.math.vector.Vector3;
-import com.dfsek.terra.api.math.voxel.DeformedSphere;
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import com.dfsek.terra.bukkit.command.PlayerCommand;
-import com.dfsek.terra.bukkit.world.BukkitAdapter;
-import com.dfsek.terra.config.lang.LangUtil;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Collections;
-import java.util.List;
-
-public class DeformedSphereCommand extends PlayerCommand {
-    public DeformedSphereCommand(com.dfsek.terra.bukkit.command.Command parent) {
-        super(parent);
-    }
-
-    @Override
-    public boolean execute(@NotNull Player sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        int radius;
-        try {
-            radius = Integer.parseInt(args[0]);
-        } catch(NumberFormatException e) {
-            LangUtil.send("command.geometry.deform.invalid-radius", new BukkitCommandSender(sender), args[0]);
-            return true;
-        }
-        double deform;
-        try {
-            deform = Double.parseDouble(args[1]);
-        } catch(NumberFormatException e) {
-            LangUtil.send("command.geometry.deform.invalid-deform", new BukkitCommandSender(sender), args[1]);
-            return true;
-        }
-
-        double freq;
-        try {
-            freq = Float.parseFloat(args[2]);
-        } catch(NumberFormatException e) {
-            LangUtil.send("command.geometry.deform.invalid-frequency", new BukkitCommandSender(sender), args[2]);
-            return true;
-        }
-        OpenSimplex2Sampler n = new OpenSimplex2Sampler((int) sender.getWorld().getSeed());
-        n.setFrequency(freq);
-        DeformedSphere sphere = new DeformedSphere(BukkitAdapter.adapt(sender).getLocation().toVector(), radius, deform, n);
-        for(Vector3 v : sphere.getGeometry()) {
-            v.toLocation(BukkitAdapter.adapt(sender.getWorld())).getBlock().setBlockData(getMain().getWorldHandle().createBlockData("minecraft:stone"), false);
-        }
-        return true;
-    }
-
-    @Override
-    public String getName() {
-        return "deformedsphere";
-    }
-
-    @Override
-    public List<com.dfsek.terra.bukkit.command.Command> getSubCommands() {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public int arguments() {
-        return 3;
-    }
-
-    @Override
-    public List<String> getTabCompletions(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) {
-        return Collections.emptyList();
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/GeometryCommand.java

@@ -1,46 +0,0 @@
-package com.dfsek.terra.bukkit.command.command.geometry;
-
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import com.dfsek.terra.bukkit.command.DebugCommand;
-import com.dfsek.terra.bukkit.command.PlayerCommand;
-import com.dfsek.terra.config.lang.LangUtil;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-
-public class GeometryCommand extends PlayerCommand implements DebugCommand {
-    public GeometryCommand(com.dfsek.terra.bukkit.command.Command parent) {
-        super(parent);
-    }
-
-    @Override
-    public boolean execute(@NotNull Player sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        LangUtil.send("command.geometry.main-menu", new BukkitCommandSender(sender));
-        return true;
-    }
-
-    @Override
-    public String getName() {
-        return "geometry";
-    }
-
-    @Override
-    public List<com.dfsek.terra.bukkit.command.Command> getSubCommands() {
-        return Arrays.asList(new SphereCommand(this), new TubeCommand(this), new DeformedSphereCommand(this));
-    }
-
-    @Override
-    public int arguments() {
-        return 0;
-    }
-
-    @Override
-    public List<String> getTabCompletions(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) {
-        return Collections.emptyList();
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/SphereCommand.java

@@ -1,58 +0,0 @@
-package com.dfsek.terra.bukkit.command.command.geometry;
-
-import com.dfsek.terra.api.math.vector.Vector3;
-import com.dfsek.terra.api.math.voxel.Sphere;
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import com.dfsek.terra.bukkit.BukkitPlayer;
-import com.dfsek.terra.bukkit.command.PlayerCommand;
-import com.dfsek.terra.bukkit.world.BukkitAdapter;
-import com.dfsek.terra.config.lang.LangUtil;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Collections;
-import java.util.List;
-
-public class SphereCommand extends PlayerCommand {
-    public SphereCommand(com.dfsek.terra.bukkit.command.Command parent) {
-        super(parent);
-    }
-
-    @Override
-    public boolean execute(@NotNull Player sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        int radius;
-        try {
-            radius = Integer.parseInt(args[0]);
-        } catch(NumberFormatException e) {
-            LangUtil.send("command.geometry.sphere.invalid-radius", new BukkitCommandSender(sender), args[0]);
-            return true;
-        }
-        Sphere sphere = new Sphere(new BukkitPlayer(sender).getLocation().toVector(), radius);
-        for(Vector3 v : sphere.getGeometry()) {
-            v.toLocation(BukkitAdapter.adapt(sender.getWorld())).getBlock().setBlockData(getMain().getWorldHandle().createBlockData("minecraft:stone"), false);
-        }
-        return true;
-    }
-
-    @Override
-    public String getName() {
-        return "sphere";
-    }
-
-    @Override
-    public List<com.dfsek.terra.bukkit.command.Command> getSubCommands() {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public int arguments() {
-        return 1;
-    }
-
-    @Override
-    public List<String> getTabCompletions(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) {
-        return Collections.emptyList();
-    }
-}

platforms/bukkit/src/main/java/com/dfsek/terra/bukkit/command/command/geometry/TubeCommand.java

@@ -1,61 +0,0 @@
-package com.dfsek.terra.bukkit.command.command.geometry;
-
-import com.dfsek.terra.api.math.vector.Vector3;
-import com.dfsek.terra.api.math.voxel.Tube;
-import com.dfsek.terra.bukkit.BukkitCommandSender;
-import com.dfsek.terra.bukkit.command.PlayerCommand;
-import com.dfsek.terra.bukkit.structure.WorldEditUtil;
-import com.dfsek.terra.bukkit.world.BukkitAdapter;
-import com.dfsek.terra.config.lang.LangUtil;
-import org.bukkit.Location;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Collections;
-import java.util.List;
-
-public class TubeCommand extends PlayerCommand {
-    public TubeCommand(com.dfsek.terra.bukkit.command.Command parent) {
-        super(parent);
-    }
-
-    @Override
-    public boolean execute(@NotNull Player sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        Location[] l = WorldEditUtil.getSelectionPositions(sender);
-        if(l == null) return true;
-        int radius;
-        try {
-            radius = Integer.parseInt(args[0]);
-        } catch(NumberFormatException e) {
-            LangUtil.send("command.geometry.tube.invalid-radius", new BukkitCommandSender(sender), args[0]);
-            return true;
-        }
-        Tube tube = new Tube(BukkitAdapter.adapt(l[0].toVector()), BukkitAdapter.adapt(l[1].toVector()), radius);
-        for(Vector3 v : tube.getGeometry()) {
-            v.toLocation(BukkitAdapter.adapt(sender.getWorld())).getBlock().setBlockData(getMain().getWorldHandle().createBlockData("minecraft:stone"), false);
-        }
-        return true;
-    }
-
-    @Override
-    public String getName() {
-        return "tube";
-    }
-
-    @Override
-    public List<com.dfsek.terra.bukkit.command.Command> getSubCommands() {
-        return Collections.emptyList();
-    }
-
-    @Override
-    public int arguments() {
-        return 1;
-    }
-
-    @Override
-    public List<String> getTabCompletions(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) {
-        return Collections.emptyList();
-    }
-}