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[1.12] Lightning Fire Server vs Singleplayer help


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I have an item that spawns a lightning bolt. In singleplayer it works fine, on a server it doesn't create fires. Someone help me understand what's wrong; here is the code:

  public ActionResult<ItemStack> onItemRightClick(World worldIn, EntityPlayer playerIn, EnumHand handIn) {
	ItemStack itemstack = playerIn.getHeldItem(handIn);
    if (!worldIn.isRemote) {
      BlockPos pos = rayTrace(playerIn, 256, 1.0F).getBlockPos();
      worldIn.addWeatherEffect(new EntityLightningBolt(worldIn, pos.getX(), pos.getY(), pos.getZ(), false));
      itemstack.damageItem(1, playerIn);
      return new ActionResult(EnumActionResult.SUCCESS, itemstack);
    return new ActionResult(EnumActionResult.FAIL, itemstack);
  public RayTraceResult rayTrace(EntityPlayer playerIn, double blockReachDistance, float partialTicks) {
    Vec3d vec3d = playerIn.getPositionEyes(partialTicks);
    Vec3d vec3d1 = playerIn.getLook(partialTicks);
    Vec3d vec3d2 = vec3d.addVector(vec3d1.x * blockReachDistance, vec3d1.y * blockReachDistance, vec3d1.z * blockReachDistance);
    return playerIn.world.rayTraceBlocks(vec3d, vec3d2, false, false, true);


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