TridentItem

public class VikingSword extends TridentItem {


    public VikingSword(Properties p_i48788_1_) {
        super(p_i48788_1_);
    }

    @Override
    public boolean isDamageable(ItemStack stack) {
        return false;
    }

    @Override
    public boolean canDisableShield(ItemStack stack, ItemStack shield, LivingEntity entity, LivingEntity attacker) {
        return true;
    }


    @Override
    public boolean isRepairable(ItemStack stack) {
        return false;
    }

    @Override
    public UseAction getUseAnimation(ItemStack p_77661_1_) {
        return UseAction.SPEAR;
    }



    @Override
    public ActionResult<ItemStack> use(World worldIn, PlayerEntity playerIn, Hand handIn) {
        if (InputMappings.isKeyDown(Minecraft.getInstance().getWindow().getWindow(), GLFW.GLFW_KEY_LEFT_SHIFT)) {
            playerIn.addEffect(new EffectInstance(Effects.MOVEMENT_SPEED, 200, 1));
            playerIn.addEffect(new EffectInstance(Effects.DAMAGE_BOOST, 200, 1));
            worldIn.setRainLevel(3);
            worldIn.setThunderLevel(3);



            playerIn.isInvulnerableTo(DamageSource.LIGHTNING_BOLT);
            playerIn.abilities.invulnerable = true;
            LightningBoltEntity lightningHam  = new LightningBoltEntity(EntityType.LIGHTNING_BOLT, worldIn);
            lightningHam.setPos(playerIn.getX(),playerIn.getY(),playerIn.getZ());
            worldIn.addFreshEntity(lightningHam);

            if (!playerIn.isCreative()){
                playerIn.abilities.invulnerable = false;
            }




        }
        else {

            Double rayLength = new Double(100);
            Vector3d playerRotation = playerIn.getViewVector(0);
            Vector3d rayPath = playerRotation.scale(rayLength);
            Vector3d from = playerIn.getEyePosition(0);
            Vector3d to = from.add(rayPath);
            RayTraceContext rayCtx = new RayTraceContext(from, to, RayTraceContext.BlockMode.OUTLINE, RayTraceContext.FluidMode.ANY, null);
            BlockRayTraceResult rayHit = worldIn.clip(rayCtx);
            if (rayHit.getType() == RayTraceResult.Type.MISS) {

            } else {
                Vector3d hitLocation = rayHit.getLocation();
                LightningBoltEntity lightning = new LightningBoltEntity(EntityType.LIGHTNING_BOLT, worldIn);
                if (!playerIn.getCooldowns().isOnCooldown(this)) {
                    worldIn.isThundering();


                    lightning.setPos(hitLocation.x, hitLocation.y, hitLocation.z);
                    worldIn.addFreshEntity(lightning);
                    playerIn.getCooldowns().addCooldown(this, 200);
                    return ActionResult.success(playerIn.getItemInHand(handIn));
                }


            }



        }

        return ActionResult.fail(playerIn.getItemInHand(handIn));

    }
}