minecraft-kajetans-mod/src/main/java/me/km/items/ItemWand.java

package me.km.items;

import me.km.KajetansMod;
import me.km.api.GlobalText;
import me.km.effects.ActiveEffectBase;
import me.km.effects.Effect;
import me.km.effects.EffectCause;
import me.km.effects.EffectUtils;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.item.ItemStack;
import net.minecraft.stats.StatList;
import net.minecraft.util.ActionResult;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumHand;
import net.minecraft.world.World;

public class ItemWand extends ItemWeapon
{
    private final int strength;
    
    public ItemWand(String name, String local, ToolMaterial material, int strength) 
    {
        super(name, local, material, 0, -3);
        this.strength = strength;
    }
    
    @Override
    public ActionResult<ItemStack> onItemRightClick(World w, EntityPlayer p, EnumHand hand) 
    {
        if(w.isRemote || KajetansMod.singlePlayer)
        {
            return new ActionResult(EnumActionResult.SUCCESS, p.getHeldItem(hand));
        }
        
        if(!KajetansMod.worldManager.getWorldPreferences(w).scrolls)
        {
            KajetansMod.effects.send(p, GlobalText.noScrolls());
            return new ActionResult(EnumActionResult.FAIL, p.getHeldItem(hand));
        }
        
        int wand = EffectUtils.getEffectLevel(p, Effect.USE_WAND);
        if(wand < 1)
        {
            KajetansMod.effects.send(p, "Du kannst keine Zauberstäbe benutzen.");
            return new ActionResult(EnumActionResult.FAIL, p.getHeldItem(hand));
        }
        
        ItemStack stack = p.getHeldItem(hand);
        try
        {
            Class<? extends ActiveEffectBase> c = EffectUtils.getEffectClass(stack.getDisplayName().substring(2));
            if(c == null)
            { 
                throw new Exception();
            }
            if(ActiveEffectBase.executeEffect(c, (EntityPlayerMP) p, strength, 0, EffectCause.WAND))
            {
                if(!p.isCreative())
                {
                    stack.damageItem(1, p);
                }
            }
        }
        catch(Exception ex)
        {
            KajetansMod.effects.send(p, "Der Zauberstab ist korrupt.");
            return new ActionResult(EnumActionResult.FAIL, stack);
        }

        p.addStat(StatList.getObjectUseStats(this));
        return new ActionResult(EnumActionResult.SUCCESS, stack);
    }
}