minecraft-kajetans-mod/src/main/java/me/km/effects/CommandWand.java

package me.km.effects;

import java.util.Arrays;
import java.util.stream.Collectors;
import me.km.api.GlobalText;
import me.km.api.Module;
import me.km.api.ModuleTabCommand;
import me.km.items.ItemWand;
import me.km.items.ModItems;
import me.km.permissions.Permissions;
import net.minecraft.command.ICommandSender;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;

public class CommandWand extends ModuleTabCommand
{   
    public CommandWand(Module m) 
    {
        super("magicwand", m, Arrays.stream(Effect.values())
                .filter(n -> n.isActive())
                .map(n -> n.toString())
                .collect(Collectors.toList()), 0);
        super.setDescription("Belegt einen Zauberstab mit einem Effekt, Unterstriche bei <dname> werden zu Leerzeichen");
        super.setUsage("/magicwand <effect> <dname>");
        super.setPermission(Permissions.WAND);
    }

    @Override
    public boolean execute(ICommandSender cs, String[] arg) 
    {
        if(!(cs instanceof EntityPlayer))
        {
            this.getModule().send(cs, GlobalText.onlyPlayer());
            return true;
        }
        EntityPlayer p = (EntityPlayer) cs;
        if(arg.length >= 1)
        {     
            ItemStack stack = p.getHeldItemMainhand();
            if(stack.getItem() instanceof ItemWand)
            {
                this.getModule().send(cs, "Du musst einen Zauberstab in der Hand halten.");
                return true;
            }
            
            Effect eff = Effect.valueOf(arg[0]);
            if(eff == null || !eff.isActive())
            { 
                this.getModule().send(cs, "Dieser aktive Effekt existiert nicht.");
                return true;
            }  
            ModItems.woodenWand.setEffect(stack, eff.ordinal(), arg[1].replace('_', ' '));
            return true;
        } 
        return false;
    }
}