SpeedCommand.java

package com.leontg77.uhc.cmds;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import com.leontg77.uhc.Main;

/**
 * Speed command class.
 * 
 * @author LeonTG77
 */
public class SpeedCommand implements CommandExecutor {

	@Override
	public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
		if (!sender.hasPermission("uhc.speed")) {
        	sender.sendMessage(Main.NO_PERM_MSG);
        	return true;
		}
		
		if (args.length == 0) {
			sender.sendMessage(Main.PREFIX + "Usage: /speed <speed> [player]");
			return true;
		}
		
		float speed;
		float orgspeed;
		
		try {
			speed = Float.parseFloat(args[0]);
		} catch (Exception e) {
			sender.sendMessage(ChatColor.RED + "Invaild number.");
			return true;
		}
		
		if (speed > 10f) {
			speed = 10f;
			orgspeed = 10f;
		} else if (speed < 0.0001f) {
			speed = 0.0001f;
			orgspeed = 0.0001f;
		} else {
			orgspeed = speed;
		}
		
		if (args.length == 1) {
			if (!(sender instanceof Player)) {
    			sender.sendMessage(ChatColor.RED + "Only players can change their walk/fly speed.");
				return true;
			}
			
			Player player = (Player) sender;
			
    		float defaultSpeed = player.isFlying() ? 0.1f : 0.2f;
    		float maxSpeed = 1f;

    		if (speed < 1f) {
    			speed = defaultSpeed * speed;
    		} else {
    			float ratio = ((speed - 1) / 9) * (maxSpeed - defaultSpeed);
    			speed = ratio + defaultSpeed;
    		}
			
    		if (player.isFlying()) {
    			player.setFlySpeed(speed);
        		player.sendMessage(Main.PREFIX + "You set your flying speed to �6" + orgspeed + "�7.");
    		} else {
    			player.setWalkSpeed(speed);
        		player.sendMessage(Main.PREFIX + "You set your walking speed to �6" + orgspeed + "�7.");
    		}
			return true;
		}
		
		Player target = Bukkit.getServer().getPlayer(args[1]);
		
		if (target == null) {
			sender.sendMessage(ChatColor.RED + args[0] + " is not online.");
			return true;
		}
		
		float defaultSpeed = target.isFlying() ? 0.1f : 0.2f;
		float maxSpeed = 1f;

		if (speed < 1f) {
			speed = defaultSpeed * speed;
		} else {
			float ratio = ((speed - 1) / 9) * (maxSpeed - defaultSpeed);
			speed = ratio + defaultSpeed;
		}
		
		if (target.isFlying()) {
			target.setFlySpeed(speed);
    		sender.sendMessage(Main.PREFIX + "You set your flying speed to �6" + orgspeed + "�7.");
		} else {
			target.setWalkSpeed(speed);
			sender.sendMessage(Main.PREFIX + "You set your walking speed to �6" + orgspeed + "�7.");
		}
		return true;
	}
}