Merge pull request #6 from notsceptor/master

Implemented /expel from TFM

src/main/java/dev/plex/extras/TFMExtras.java

@@ -121,6 +121,7 @@ public class TFMExtras extends PlexModule
         addDefaultMessage("cantVisitIsland", "<red>You can't visit this player's island!");
         addDefaultMessage("islandMemberExists", "<red>This player is already a member of your island!");
         addDefaultMessage("receivedInviteForIsland", "<green>You have been invited to join "); //TODO: Finish this message... my laptop isn't liking minecraft so I can't do formatting for it, and do receivedInviteForIsland message
+        addDefaultMessage("playersExpelled", "<gray>Pushed away players: <white><em>{0}", "0 - The list of players");
     }
 
     @Override

src/main/java/dev/plex/extras/command/ExpelCommand.java

@@ -0,0 +1,92 @@
+package dev.plex.extras.command;
+
+import dev.plex.command.PlexCommand;
+import dev.plex.command.annotation.CommandParameters;
+import dev.plex.command.annotation.CommandPermissions;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.Location;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+@CommandParameters(name = "expel", description = "Pushes away nearby players", usage = "/expel <radius> <strength>", aliases = "push")
+@CommandPermissions(permission = "plex.tfmextras.expel")
+public class ExpelCommand extends PlexCommand
+{
+    @Override
+    protected Component execute(@NotNull CommandSender sender, @Nullable Player player, @NotNull String[] args)
+    {
+        double radius = 20.0;
+        double strength = 5.0;
+
+        if (args.length > 0)
+        {
+            try
+            {
+                radius = Math.min(Double.parseDouble(args[0]), 20.0);
+            }
+            catch (NumberFormatException ignored)
+            {
+                return usage();
+            }
+        }
+
+        if (args.length > 1)
+        {
+            try
+            {
+                strength = Math.min(Double.parseDouble(args[1]), 10.0);
+            }
+            catch (NumberFormatException ignored)
+            {
+                return usage();
+            }
+        }
+
+        List<String> pushedPlayers = new ArrayList<>();
+
+        final Vector senderPos = player.getLocation().toVector();
+        final List<Player> players = player.getWorld().getPlayers();
+
+        for (final Player target : players)
+        {
+            if (target.equals(player))
+            {
+                continue;
+            }
+
+            final Location targetPos = target.getLocation();
+            final Vector targetPosVec = targetPos.toVector();
+
+            if (targetPosVec.distanceSquared(senderPos) < (radius * radius))
+            {
+                target.setFlying(false);
+
+                target.getWorld().createExplosion(targetPos, 0.0f, false);
+                target.setVelocity(targetPosVec.subtract(senderPos).normalize().multiply(strength));
+
+                pushedPlayers.add(target.getName());
+            }
+        }
+
+        if (!pushedPlayers.isEmpty())
+        {
+            return messageComponent("playersExpelled", String.join("<reset><gray>, <white><em>", pushedPlayers));
+        }
+
+        return null;
+    }
+
+    @Override
+    public @NotNull List<String> smartTabComplete(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args)
+    {
+        return Collections.emptyList();
+    }
+}