Scripting

#SL Server News Wk 50 Cont

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Main Channel

This week the code from Le Tigre/Magnum rolled to the main channel. This is a server maintenance pack. It includes the LSL function llTransferLindenDollars(). The thread that links to is now about 5 pages long. The details of the function are:

  • Attempt to transfer amount of L$ from the owner of the object to ‘id’. Requires PERMISSION_DEBIT. Returns a key used in a matching transaction_result event for the success or failure of the transfer.
  • New LSL event: transaction_result(key id, integer success, string data) This event is triggered from an llTransfer* call (currently only llTransferLindenDollars).
  • id: matches the return value of the llTransfer call and if the transaction was a success will match the ‘transaction id’ shown in transaction history on secondlife.com
  • success: TRUE if the transfer succeeded otherwise FALSE.
  • data: On successful transactions will contain a CSV of destination ID and amount transferred. In failure cases it will contain an error tag on failure.
  • Error Tags for llTransferLindenDollars:
    • LINDENDOLLAR_ENTITYDOESNOTEXIST – The destination UUID is not a valid agent.
    • LINDENDOLLAR_INSUFFICIENTFUNDS – The source agent does not have enough L$ for the transfer
    • INVALID_AGENT – Destination agent is not a valid UUID
    • INVALID_AMOUNT – Amount is <= 0
    • THROTTLED – The scripted L$ throttle was hit for this object owner.
    • MISSING_PERMISSION_DEBIT – The script does not have debit permission
    • GROUP_OWNED – The object is group owned and thus can’t give money
    • TRANSFERS_DISABLED – L$ transfers are disabled in the region
    • EXPIRED – The simulator timed out waiting for a response from the back-end service.
    • SERVICE_ERROR – There was an error connecting to the back-end service

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    #SL Server News Week 50

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    I’ll do this update and another later in the week. We have some good news and some bad news.

    First, the good. It seems the kernel (3.0) upgrade is working and roll has reached 20% of the grid. We may see that roll out increasing its pace. It does mean a region restart so many regions will be seeing 2 restarts today and some tomorrow. Others will be seeing an additional restart later in the week.

    FBS Dagger's Large Airplane

    Second, the Le Tigre region was rolled to the main channel. (Release Notes) Some people are reporting teleporter device problems. It seems to be associated with posJump(vector target_pos). However some people are having problems and others are not.

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    #SL Scripting News Week 50

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    Kelly Linden thinks tomorrow (Tuesday) the Le Tigre update will roll the main channel. Chances are good it will work this time. It contains a large number of fixes and some improvements.

    Once it rolls to the main channel there will probably be no further upgrades until next year. After this week Second Life enters a no change window and a number of Lindens take holiday.

    Vehicles

    Havok and script functions are being looked at to improve movement in SL. In the wiki is a function… well more of a subroutine… warppos() that handles movement over more than 10m. Some consideration is being given to making the function a built-in function, may be llWarpPos(). No promises.

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    Linden Realm Tools

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    I suspect most of you know Linden Realms opened to the general public in Second Life. If you have been to a Realm you may have noticed new features. Teleporting has changes in that you walk into a Portal and it will teleport you into the game. This is a teleport on collision feature. It is a feature we have in OpenSim scripting. It is coming to Second Life. Exactly when or how it will work is unclear. The Lindens are considering how the feature can be used by griefers and how they may limit its abuse.

    Linden Realm Game Portal

    There is all so the HUD that attaches automatically. Many of us are pretty sure we do not want mall owners attaching shopping HUD’s to us when we visit a mall. So, the auto-attach HUD feature is also being considered in terms of griefing.

    There are also auto-run animations. Obviously those can be used by griefers to be annoying. So, those have to be considered in terms of griefing.

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    New #SL Feature llTransferLindenDollars

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    Today Kelly Linden posted about a new function added to the Linden Scripting Language:  llTransferLindenDollars(). The highlight of the feature is its ability to return the transaction result. You will know if they got the money, refused it, or whether it failed.

    See: Upcoming LSL feature: llTransferLindenDollars and transction_result

    This function is currently in testing on the ADITI or Preview/Beta Grid. It is in regions; Bethel, Fortuna and Sandbox Wanderton.

    This can greatly improve the reliability of vending machines in Second Life. All those failed deliveries we have been dealing with may soon be handled by new vending machines.

    Oskar was talking about it in the Beta Server Group today. He said, “…it is major Moundsa. Kelly has been working hard on it. Do all merchants a favor and hop on to ADITI and try it out.”

    #SL Scripting News Week 46

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    This week Kelly Linden’s Scripting meeting covered a couple of interesting things.

    Region Crossings

    The server update with the region crossing infrastructure improvements did not make it to the main grid because of problems, something with vehicle crossing issues. Check the Server news later this week.

    llSetKeyframedMotion( list keyframes, list options );

    This function has run into some use problems. It seems there is some problem moving numeric data between SL and Havok that results in serious numeric round off errors. The problem causes objects being moved to drift out of the intended position.

    See llSetKeframedMotion() for the scripting details.

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