minecraft-kajetans-mod/src/main/java/me/km/commands/CommandFly.java

package me.km.commands;

import me.km.api.Utils;
import me.km.api.GlobalText;
import me.km.api.Module;
import me.km.api.ModuleCommand;
import me.km.exception.PlayerNotFoundException;
import me.km.permissions.Permission;
import me.km.permissions.Permissions;
import net.minecraft.command.ICommandSender;
import net.minecraft.entity.player.EntityPlayer;

public class CommandFly extends ModuleCommand
{
    public CommandFly(Module m) 
    {
        super("fly", m);
        super.setDescription("Lässt einen Spieler fliegen");
        super.setUsage("/fly [player] [on|off]");
        super.setPermission(Permissions.FLY);
    }

    @Override
    public boolean execute(ICommandSender cs, String[] arg) 
    {
        EntityPlayer affectedPlayer;
        try
        {
            if(arg.length >= 1 && !Permission.hasPermission(cs, Permissions.FLY_OTHER))
            {
                this.getModule().send(cs, "Du darfst nur deinen eigenen Fly setzen.");
                return true;
            }
            affectedPlayer = Utils.getPlayerByName(arg[0]);      
        }
        catch(PlayerNotFoundException ex)
        {
            this.getModule().send(cs, GlobalText.cantFindPlayer(arg[0]));
            return true;
        }
        catch(IndexOutOfBoundsException ex)
        {
            if(!(cs instanceof EntityPlayer))
            {
                this.getModule().send(cs, GlobalText.missingParameter());
                return true;
            }     
            affectedPlayer = (EntityPlayer) cs;
        }

        boolean fly = !affectedPlayer.capabilities.allowFlying;
        if(arg.length >= 2)
        {
            if(arg[1].equals("on"))
            {
                fly = true;
            }
            else if(arg[1].equals("off"))
            {
                fly = false;
            }
        }

        affectedPlayer.capabilities.allowFlying = fly;
        if(fly)
        {
            this.getModule().send(affectedPlayer, "Du kannst nun fliegen.");
            if(!cs.equals(affectedPlayer))
            {
                this.getModule().send(cs, affectedPlayer.getName() + " kann nun fliegen.");
            }
            return true;
        }
        this.getModule().send(affectedPlayer, "Du kannst nicht mehr fliegen.");
        if(!cs.equals(affectedPlayer))
        {
            this.getModule().send(cs, affectedPlayer.getName() + " kann nicht mehr fliegen.");
        }
        return true;
    }
}