TFM-4.3-Reloaded/src/main/java/me/StevenLawson/TotalFreedomMod/commands/Command_expel.java

package me.StevenLawson.TotalFreedomMod.commands;

import java.util.ArrayList;
import java.util.List;
import me.StevenLawson.TotalFreedomMod.util.Utilities;
import org.apache.commons.lang3.StringUtils;
import org.bukkit.Location;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.util.Vector;

@CommandPermissions(level = AdminLevel.SUPER, source = SourceType.ONLY_IN_GAME)
public class Command_expel extends FreedomCommand {

	@Override
	public boolean run(CommandSender sender, org.bukkit.entity.Player sender_p, Command cmd,
		String commandLabel, String[] args, boolean senderIsConsole) {
		double radius = 20.0;
		double strength = 5.0;

		if (args.length >= 1) {
			try {
				radius = Math.max(1.0, Math.min(100.0, Double.parseDouble(args[0])));
			} catch (NumberFormatException ex) {
			}
		}

		if (args.length >= 2) {
			try {
				strength = Math.max(0.0, Math.min(50.0, Double.parseDouble(args[1])));
			} catch (NumberFormatException ex) {
			}
		}

		List<String> pushedPlayers = new ArrayList<String>();

		final Vector senderPos = sender_p.getLocation().toVector();
		final List<Player> players = sender_p.getWorld().getPlayers();
		for (final Player player : players) {
			if (player.equals(sender_p)) {
				continue;
			}

			final Location targetPos = player.getLocation();
			final Vector targetPosVec = targetPos.toVector();

			boolean inRange = false;
			try {
				inRange = targetPosVec.distanceSquared(senderPos) < (radius * radius);
			} catch (IllegalArgumentException ex) {
			}

			if (inRange) {
				player.getWorld().createExplosion(targetPos, 0.0f, false);
				Utilities.setFlying(player, false);
				player.setVelocity(targetPosVec.subtract(senderPos).normalize().multiply(strength));
				pushedPlayers.add(player.getName());
			}
		}

		if (pushedPlayers.isEmpty()) {
			playerMsg(sender, "No players pushed.");
		} else {
			playerMsg(sender,
				"Pushed " + pushedPlayers.size() + " players: " + StringUtils.join(pushedPlayers,
					", "));
		}

		return true;
	}
}