Mana Capability Not Functioning Properly

[Silverbeam]

In my mod, I have mana implemented. . However, you can gain 50 mana by right clicking on a bed. I have a weapon that, when you right click, consumes 50 mana and spawns EntityLargeFireball. If your mana is less than 50, then a line of text appears in chat. However, for some reason you are able to spawn multiple Fireballs when you shouldn't be able to. For example, if i had 150 mana, I should be able to spawn 3 fireballs, but instead it spawns anywhere from 3 to maybe 8. Once mana reaches 0, the text appears as it should. However, once mana goes back up, the fireball doesn't spawn and the text still occurs. Here is the code that is in the weapon. Can anyone help?

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@Override
    public ActionResult<ItemStack> onItemRightClick(World worldIn, EntityPlayer playerIn, EnumHand handIn)
      { 
        if(playerIn.hasCapability(ManaProvider.MANA_CAP, null))
        {
            if(playerIn.getCapability(ManaProvider.MANA_CAP, null).consume(50f))
            {
                playerIn.addPotionEffect(new PotionEffect(MobEffects.RESISTANCE, 5, 1000));
                Minecraft.getMinecraft().world.spawnEntity(new EntityLargeFireball(Minecraft.getMinecraft().world, playerIn.posX, playerIn.posY, playerIn.posZ, 3d, 0d, 3d));
                 
            }
            else
            {
                playerIn.sendMessage(new TextComponentString("FUCK YOU, DIP DIP"));
            }
        }

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[DragonITA]

What‘s Minecraft Version? Then show your capability.

[LexManos]

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Please update to a modern version of Minecraft to receive support.