Making a hud to control a seperate object..how to make it work for only owner.

Ok, so... I want to make a simple button on my hud that talks to a prim, usually attached at some point to the body, and tells it to turn on or off a bling script inside said prim.
But also, want it to be secure so that if two people with he same
hud are in a room, and press the button, it doesn't effect the other persons prim.
Basically the bling script is listening for bling on, or bling off on a specific channel, it works great with the hud item if its just a regular whisper, but, anyone can still control it. How do i secure it to an individual avatar?

thanks much to any who reply!

in the attachments scripts listen code..

listen( integer vIntChn, string vStrNom, key vKeySpk, string vStrMsg ){
  if (llGetOwnerKey( vKeySpk ) == llGetOwner()){
    //-- only runs if the speakers key has the same owner, or is the owner
  }
}

An excellent snippet to remember.

Could also have the object do the llListen to only listen to the owner. Just make sure to have use the changed event and watch for changes to the owner (or llResetScript in on_rez).

only owner won't work for a hud com to the attachment

for items that a single av may owner more than one of, you'll have to do additional filtering

also beware of generic commands, or operating on them without checking the source, as other objects owned by the same av may use the same thing. it'll prevent you from receiving messages not meant for your stuff, or sending commands to stuff you didn't make

Oh. Duh. Right. I knew that..

/me goes in search of a coffee maker. Darn Friday afternoons.

thank you for the quick response. I think I get it now! Will take some time to break down each individual part so I can actually retain this knowledge but its a big big help!

edit:

Guess I am too slow to get this to work correctly right off. So. Wish me luck. I am going to try it on a simpler script first, then rewrite my own particle effect script from the ground up. I am such a newb but it all helps me learn so whhhy not!

edit 2:

Yup... I fail... is there a longer explanation of that someone might be willing to contribute.. Pretty please

// HUD script
integer BlingOn;

default
{
state_entry()
{
llSetObjectName("Bling HUD"; // <== This is so a single person can have more than one HUD/object controller
}

touch_start(integer HowMany)
{
BlingOn = !BlingOn;
llWhisper(-2002, (string) BlingOn);
}
}

--------------------------------------------------------------------------------

// Object script
default
{
listen(integer ChannelIn, string FromName, key FromID, string Message)
{
if (llGetOwnerKey(FromID) == llGetOwner())
{
if (Message == (string) TRUE)
{
// PUT YOUR BLING 'ON' INSTRUCTIONS HERE
}
else
{
// PUT YOUR BLING 'OFF' INSTRUCTIONS HERE
}
}
}

state_entry()
{
llListen(-2002, "Bling HUD", NULL_KEY, ""; // <== Has to match the name of the HUD
}
}

What's happening there, Tatiana (I had to think about it for a moment, you see) is that the value of the integer BlingOn, in the hud script, switches between TRUE and FALSE each time you touch the hud.

Each time the value changes, the script converts the new value to a string, because it has to do that to "say" it, and says it. The bling script then converts what it hears back to an integer value and determines if it's TRUE or FALSE.

If it's TRUE, turn the bling on, otherwise turn it off.

Perfect. That helped me 100% as well as taught me a lot. Thank you to everyone that posted in response to my question... Its so nice to have a supportive community!

No worries, I was about to make the same mistake (long day).